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-rw-r--r--.eslintrc.yml1
-rw-r--r--.rubocop.yml1
-rw-r--r--CODEOWNERS15
-rw-r--r--Dockerfile14
-rw-r--r--Gemfile5
-rw-r--r--Gemfile.lock34
-rw-r--r--app/controllers/accounts_controller.rb56
-rw-r--r--app/controllers/activitypub/inboxes_controller.rb36
-rw-r--r--app/controllers/activitypub/outboxes_controller.rb2
-rw-r--r--app/controllers/admin/accounts_controller.rb2
-rw-r--r--app/controllers/admin/statuses_controller.rb4
-rw-r--r--app/controllers/api/base_controller.rb11
-rw-r--r--app/controllers/api/oembed_controller.rb8
-rw-r--r--app/controllers/api/v1/accounts/credentials_controller.rb4
-rw-r--r--app/controllers/api/v1/accounts/statuses_controller.rb5
-rw-r--r--app/controllers/api/v1/statuses/pins_controller.rb28
-rw-r--r--app/controllers/api/v1/statuses_controller.rb2
-rw-r--r--app/controllers/api/web/embeds_controller.rb17
-rw-r--r--app/controllers/concerns/account_controller_concern.rb8
-rw-r--r--app/controllers/concerns/signature_verification.rb25
-rw-r--r--app/controllers/follower_accounts_controller.rb2
-rw-r--r--app/controllers/following_accounts_controller.rb2
-rw-r--r--app/controllers/intents_controller.rb18
-rw-r--r--app/controllers/settings/applications_controller.rb72
-rw-r--r--app/controllers/settings/profiles_controller.rb3
-rw-r--r--app/controllers/shares_controller.rb30
-rw-r--r--app/controllers/statuses_controller.rb21
-rw-r--r--app/controllers/stream_entries_controller.rb12
-rw-r--r--app/controllers/tags_controller.rb2
-rw-r--r--app/helpers/application_helper.rb4
-rw-r--r--app/helpers/jsonld_helper.rb52
-rw-r--r--app/helpers/routing_helper.rb4
-rw-r--r--app/helpers/stream_entries_helper.rb2
-rw-r--r--app/javascript/mastodon/actions/interactions.js78
-rw-r--r--app/javascript/mastodon/actions/streaming.js94
-rw-r--r--app/javascript/mastodon/components/account.js12
-rw-r--r--app/javascript/mastodon/components/column.js2
-rw-r--r--app/javascript/mastodon/components/intersection_observer_article.js122
-rw-r--r--app/javascript/mastodon/components/scrollable_list.js179
-rw-r--r--app/javascript/mastodon/components/status.js114
-rw-r--r--app/javascript/mastodon/components/status_action_bar.js29
-rw-r--r--app/javascript/mastodon/components/status_list.js156
-rw-r--r--app/javascript/mastodon/containers/account_container.js2
-rw-r--r--app/javascript/mastodon/containers/compose_container.js39
-rw-r--r--app/javascript/mastodon/containers/mastodon.js82
-rw-r--r--app/javascript/mastodon/containers/status_container.js14
-rw-r--r--app/javascript/mastodon/features/account/components/header.js4
-rw-r--r--app/javascript/mastodon/features/account_timeline/containers/header_container.js2
-rw-r--r--app/javascript/mastodon/features/community_timeline/index.js50
-rw-r--r--app/javascript/mastodon/features/favourited_statuses/index.js5
-rw-r--r--app/javascript/mastodon/features/hashtag_timeline/index.js35
-rw-r--r--app/javascript/mastodon/features/notifications/components/notification.js10
-rw-r--r--app/javascript/mastodon/features/notifications/index.js104
-rw-r--r--app/javascript/mastodon/features/public_timeline/index.js50
-rw-r--r--app/javascript/mastodon/features/standalone/compose/index.js18
-rw-r--r--app/javascript/mastodon/features/status/components/action_bar.js23
-rw-r--r--app/javascript/mastodon/features/status/components/card.js9
-rw-r--r--app/javascript/mastodon/features/status/index.js16
-rw-r--r--app/javascript/mastodon/features/ui/components/column.js11
-rw-r--r--app/javascript/mastodon/features/ui/components/columns_area.js35
-rw-r--r--app/javascript/mastodon/features/ui/components/embed_modal.js84
-rw-r--r--app/javascript/mastodon/features/ui/components/modal_root.js2
-rw-r--r--app/javascript/mastodon/features/ui/components/onboarding_modal.js2
-rw-r--r--app/javascript/mastodon/features/ui/containers/columns_area_container.js2
-rw-r--r--app/javascript/mastodon/features/ui/index.js19
-rw-r--r--app/javascript/mastodon/features/ui/util/async-components.js4
-rw-r--r--app/javascript/mastodon/locales/ar.json7
-rw-r--r--app/javascript/mastodon/locales/bg.json5
-rw-r--r--app/javascript/mastodon/locales/ca.json5
-rw-r--r--app/javascript/mastodon/locales/de.json157
-rw-r--r--app/javascript/mastodon/locales/defaultMessages.json43
-rw-r--r--app/javascript/mastodon/locales/en.json7
-rw-r--r--app/javascript/mastodon/locales/eo.json5
-rw-r--r--app/javascript/mastodon/locales/es.json5
-rw-r--r--app/javascript/mastodon/locales/fa.json5
-rw-r--r--app/javascript/mastodon/locales/fi.json5
-rw-r--r--app/javascript/mastodon/locales/fr.json21
-rw-r--r--app/javascript/mastodon/locales/he.json5
-rw-r--r--app/javascript/mastodon/locales/hr.json5
-rw-r--r--app/javascript/mastodon/locales/hu.json5
-rw-r--r--app/javascript/mastodon/locales/id.json5
-rw-r--r--app/javascript/mastodon/locales/io.json5
-rw-r--r--app/javascript/mastodon/locales/it.json5
-rw-r--r--app/javascript/mastodon/locales/ja.json7
-rw-r--r--app/javascript/mastodon/locales/ko.json5
-rw-r--r--app/javascript/mastodon/locales/nl.json5
-rw-r--r--app/javascript/mastodon/locales/no.json5
-rw-r--r--app/javascript/mastodon/locales/oc.json47
-rw-r--r--app/javascript/mastodon/locales/pl.json41
-rw-r--r--app/javascript/mastodon/locales/pt-BR.json81
-rw-r--r--app/javascript/mastodon/locales/pt.json5
-rw-r--r--app/javascript/mastodon/locales/ru.json43
-rw-r--r--app/javascript/mastodon/locales/th.json5
-rw-r--r--app/javascript/mastodon/locales/tr.json5
-rw-r--r--app/javascript/mastodon/locales/uk.json5
-rw-r--r--app/javascript/mastodon/locales/zh-CN.json33
-rw-r--r--app/javascript/mastodon/locales/zh-HK.json5
-rw-r--r--app/javascript/mastodon/locales/zh-TW.json5
-rw-r--r--app/javascript/mastodon/reducers/compose.js12
-rw-r--r--app/javascript/mastodon/reducers/status_lists.js20
-rw-r--r--app/javascript/mastodon/reducers/statuses.js4
-rw-r--r--app/javascript/mastodon/scroll.js2
-rw-r--r--app/javascript/mastodon/service_worker/web_push_notifications.js26
-rw-r--r--app/javascript/mastodon/web_push_subscription.js4
-rw-r--r--app/javascript/packs/public.js12
-rw-r--r--app/javascript/packs/share.js24
-rw-r--r--app/javascript/styles/about.scss867
-rw-r--r--app/javascript/styles/accounts.scss343
-rw-r--r--app/javascript/styles/admin.scss59
-rw-r--r--app/javascript/styles/basics.scss36
-rw-r--r--app/javascript/styles/components.scss97
-rw-r--r--app/javascript/styles/containers.scss22
-rw-r--r--app/javascript/styles/forms.scss47
-rw-r--r--app/javascript/styles/landing_strip.scss13
-rw-r--r--app/javascript/styles/rtl.scss129
-rw-r--r--app/javascript/styles/stream_entries.scss47
-rw-r--r--app/javascript/styles/tables.scss2
-rw-r--r--app/lib/activitypub/activity.rb106
-rw-r--r--app/lib/activitypub/activity/accept.rb25
-rw-r--r--app/lib/activitypub/activity/announce.rb28
-rw-r--r--app/lib/activitypub/activity/block.rb12
-rw-r--r--app/lib/activitypub/activity/create.rb175
-rw-r--r--app/lib/activitypub/activity/delete.rb45
-rw-r--r--app/lib/activitypub/activity/follow.rb24
-rw-r--r--app/lib/activitypub/activity/like.rb12
-rw-r--r--app/lib/activitypub/activity/reject.rb25
-rw-r--r--app/lib/activitypub/activity/undo.rb71
-rw-r--r--app/lib/activitypub/activity/update.rb17
-rw-r--r--app/lib/activitypub/adapter.rb23
-rw-r--r--app/lib/activitypub/case_transform.rb24
-rw-r--r--app/lib/activitypub/linked_data_signature.rb56
-rw-r--r--app/lib/activitypub/tag_manager.rb38
-rw-r--r--app/lib/ostatus/activity/base.rb24
-rw-r--r--app/lib/ostatus/activity/creation.rb49
-rw-r--r--app/lib/ostatus/activity/deletion.rb4
-rw-r--r--app/lib/ostatus/activity/remote.rb6
-rw-r--r--app/lib/ostatus/atom_serializer.rb5
-rw-r--r--app/lib/request.rb24
-rw-r--r--app/lib/status_finder.rb (renamed from app/lib/stream_entry_finder.rb)10
-rw-r--r--app/models/account.rb17
-rw-r--r--app/models/concerns/account_avatar.rb2
-rw-r--r--app/models/concerns/account_header.rb2
-rw-r--r--app/models/concerns/account_interactions.rb4
-rw-r--r--app/models/concerns/remotable.rb2
-rw-r--r--app/models/import.rb1
-rw-r--r--app/models/media_attachment.rb3
-rw-r--r--app/models/preview_card.rb31
-rw-r--r--app/models/remote_follow.rb2
-rw-r--r--app/models/session_activation.rb1
-rw-r--r--app/models/status.rb20
-rw-r--r--app/models/status_pin.rb18
-rw-r--r--app/models/subscription.rb1
-rw-r--r--app/models/user.rb15
-rw-r--r--app/models/web/push_subscription.rb160
-rw-r--r--app/presenters/initial_state_presenter.rb3
-rw-r--r--app/presenters/instance_presenter.rb4
-rw-r--r--app/presenters/status_relationships_presenter.rb19
-rw-r--r--app/serializers/activitypub/accept_follow_serializer.rb6
-rw-r--r--app/serializers/activitypub/activity_serializer.rb8
-rw-r--r--app/serializers/activitypub/actor_serializer.rb48
-rw-r--r--app/serializers/activitypub/block_serializer.rb6
-rw-r--r--app/serializers/activitypub/delete_serializer.rb29
-rw-r--r--app/serializers/activitypub/follow_serializer.rb6
-rw-r--r--app/serializers/activitypub/like_serializer.rb6
-rw-r--r--app/serializers/activitypub/note_serializer.rb36
-rw-r--r--app/serializers/activitypub/reject_follow_serializer.rb6
-rw-r--r--app/serializers/activitypub/undo_announce_serializer.rb19
-rw-r--r--app/serializers/activitypub/undo_block_serializer.rb6
-rw-r--r--app/serializers/activitypub/undo_follow_serializer.rb6
-rw-r--r--app/serializers/activitypub/undo_like_serializer.rb6
-rw-r--r--app/serializers/activitypub/update_serializer.rb6
-rw-r--r--app/serializers/initial_state_serializer.rb3
-rw-r--r--app/serializers/oembed_serializer.rb19
-rw-r--r--app/serializers/rest/instance_serializer.rb16
-rw-r--r--app/serializers/rest/status_serializer.rb16
-rw-r--r--app/serializers/web/notification_serializer.rb169
-rw-r--r--app/services/activitypub/fetch_remote_account_service.rb57
-rw-r--r--app/services/activitypub/fetch_remote_key_service.rb47
-rw-r--r--app/services/activitypub/fetch_remote_status_service.rb48
-rw-r--r--app/services/activitypub/process_account_service.rb93
-rw-r--r--app/services/activitypub/process_collection_service.rb48
-rw-r--r--app/services/authorize_follow_service.rb30
-rw-r--r--app/services/batched_remove_status_service.rb67
-rw-r--r--app/services/block_domain_service.rb2
-rw-r--r--app/services/block_service.rb19
-rw-r--r--app/services/favourite_service.rb28
-rw-r--r--app/services/fetch_atom_service.rb84
-rw-r--r--app/services/fetch_link_card_service.rb100
-rw-r--r--app/services/fetch_remote_account_service.rb16
-rw-r--r--app/services/fetch_remote_resource_service.rb33
-rw-r--r--app/services/fetch_remote_status_service.rb16
-rw-r--r--app/services/follow_service.rb14
-rw-r--r--app/services/post_status_service.rb2
-rw-r--r--app/services/process_interaction_service.rb4
-rw-r--r--app/services/process_mentions_service.rb28
-rw-r--r--app/services/reblog_service.rb28
-rw-r--r--app/services/reject_follow_service.rb19
-rw-r--r--app/services/remove_status_service.rb51
-rw-r--r--app/services/resolve_remote_account_service.rb55
-rw-r--r--app/services/subscribe_service.rb4
-rw-r--r--app/services/unblock_service.rb19
-rw-r--r--app/services/unfavourite_service.rb22
-rw-r--r--app/services/unfollow_service.rb45
-rw-r--r--app/services/unsubscribe_service.rb2
-rw-r--r--app/services/update_account_service.rb21
-rw-r--r--app/validators/status_pin_validator.rb9
-rw-r--r--app/views/about/more.html.haml4
-rw-r--r--app/views/about/show.html.haml4
-rw-r--r--app/views/accounts/_grid_card.html.haml11
-rw-r--r--app/views/accounts/_header.html.haml44
-rw-r--r--app/views/accounts/show.html.haml11
-rw-r--r--app/views/admin/accounts/_account.html.haml3
-rw-r--r--app/views/admin/accounts/index.html.haml1
-rw-r--r--app/views/admin/accounts/show.html.haml47
-rw-r--r--app/views/auth/registrations/edit.html.haml2
-rw-r--r--app/views/home/index.html.haml2
-rwxr-xr-xapp/views/layouts/application.html.haml3
-rw-r--r--app/views/settings/applications/_fields.html.haml21
-rw-r--r--app/views/settings/applications/index.html.haml19
-rw-r--r--app/views/settings/applications/new.html.haml8
-rw-r--r--app/views/settings/applications/show.html.haml30
-rw-r--r--app/views/shared/_landing_strip.html.haml9
-rw-r--r--app/views/shares/show.html.haml5
-rw-r--r--app/views/stream_entries/_detailed_status.html.haml5
-rw-r--r--app/views/stream_entries/_status.html.haml7
-rw-r--r--app/views/stream_entries/embed.html.haml5
-rw-r--r--app/views/stream_entries/show.html.haml1
-rw-r--r--app/workers/activitypub/delivery_worker.rb37
-rw-r--r--app/workers/activitypub/distribution_worker.rb42
-rw-r--r--app/workers/activitypub/post_upgrade_worker.rb15
-rw-r--r--app/workers/activitypub/processing_worker.rb11
-rw-r--r--app/workers/activitypub/raw_distribution_worker.rb23
-rw-r--r--app/workers/activitypub/reply_distribution_worker.rb42
-rw-r--r--app/workers/activitypub/update_distribution_worker.rb31
-rw-r--r--app/workers/authorize_follow_worker.rb14
-rw-r--r--app/workers/pubsubhubbub/distribution_worker.rb2
-rw-r--r--app/workers/pubsubhubbub/raw_distribution_worker.rb22
-rw-r--r--app/workers/pubsubhubbub/unsubscribe_worker.rb15
-rw-r--r--app/workers/scheduler/feed_cleanup_scheduler.rb2
-rw-r--r--app/workers/scheduler/media_cleanup_scheduler.rb1
-rw-r--r--app/workers/scheduler/subscriptions_cleanup_scheduler.rb11
-rw-r--r--app/workers/scheduler/subscriptions_scheduler.rb2
-rw-r--r--config/brakeman.ignore50
-rw-r--r--config/environment.rb2
-rw-r--r--config/environments/development.rb5
-rw-r--r--config/i18n-tasks.yml4
-rw-r--r--config/initializers/devise.rb6
-rw-r--r--config/initializers/doorkeeper.rb2
-rw-r--r--config/initializers/inflections.rb1
-rw-r--r--config/initializers/json_ld.rb5
-rw-r--r--config/initializers/mime_types.rb2
-rw-r--r--config/initializers/ostatus.rb3
-rw-r--r--config/initializers/rack_attack.rb1
-rw-r--r--config/locales/ca.yml126
-rw-r--r--config/locales/devise.oc.yml14
-rw-r--r--config/locales/doorkeeper.en.yml18
-rw-r--r--config/locales/doorkeeper.fr.yml29
-rw-r--r--config/locales/doorkeeper.ja.yml14
-rw-r--r--config/locales/doorkeeper.oc.yml8
-rw-r--r--config/locales/doorkeeper.pl.yml24
-rw-r--r--config/locales/en.yml38
-rw-r--r--config/locales/fa.yml5
-rw-r--r--config/locales/fr.yml78
-rw-r--r--config/locales/ja.yml41
-rw-r--r--config/locales/ko.yml2
-rw-r--r--config/locales/nl.yml5
-rw-r--r--config/locales/oc.yml161
-rw-r--r--config/locales/pl.yml67
-rw-r--r--config/locales/ru.yml5
-rw-r--r--config/locales/simple_form.fr.yml5
-rw-r--r--config/locales/simple_form.pl.yml25
-rw-r--r--config/navigation.rb4
-rw-r--r--config/routes.rb32
-rw-r--r--config/sidekiq.yml3
-rw-r--r--config/webpack/loaders/babel.js4
-rw-r--r--db/migrate/20170427011934_re_add_owner_to_application.rb8
-rw-r--r--db/migrate/20170823162448_create_status_pins.rb10
-rw-r--r--db/migrate/20170824103029_add_timestamps_to_status_pins.rb5
-rw-r--r--db/migrate/20170829215220_remove_status_pins_account_index.rb6
-rw-r--r--db/migrate/20170901141119_truncate_preview_cards.rb30
-rw-r--r--db/migrate/20170901142658_create_join_table_preview_cards_statuses.rb7
-rw-r--r--db/schema.rb36
-rw-r--r--lib/json_ld/activitystreams.rb153
-rw-r--r--lib/json_ld/identity.rb86
-rw-r--r--lib/json_ld/security.rb50
-rw-r--r--lib/mastodon/version.rb17
-rw-r--r--lib/tasks/mastodon.rake28
-rw-r--r--spec/controllers/accounts_controller_spec.rb19
-rw-r--r--spec/controllers/activitypub/inboxes_controller_spec.rb7
-rw-r--r--spec/controllers/activitypub/outboxes_controller_spec.rb23
-rw-r--r--spec/controllers/api/oembed_controller_spec.rb1
-rw-r--r--spec/controllers/api/subscriptions_controller_spec.rb26
-rw-r--r--spec/controllers/api/v1/accounts/credentials_controller_spec.rb93
-rw-r--r--spec/controllers/api/v1/accounts/relationships_controller_spec.rb4
-rw-r--r--spec/controllers/api/v1/accounts/statuses_controller_spec.rb36
-rw-r--r--spec/controllers/api/v1/favourites_controller_spec.rb3
-rw-r--r--spec/controllers/api/v1/statuses/pins_controller_spec.rb57
-rw-r--r--spec/controllers/concerns/account_controller_concern_spec.rb2
-rw-r--r--spec/controllers/concerns/signature_verification_spec.rb78
-rw-r--r--spec/controllers/remote_follow_controller_spec.rb8
-rw-r--r--spec/controllers/settings/applications_controller_spec.rb188
-rw-r--r--spec/controllers/settings/profiles_controller_spec.rb2
-rw-r--r--spec/controllers/statuses_controller_spec.rb12
-rw-r--r--spec/controllers/stream_entries_controller_spec.rb8
-rw-r--r--spec/fabricators/status_pin_fabricator.rb4
-rw-r--r--spec/helpers/jsonld_helper_spec.rb35
-rw-r--r--spec/helpers/routing_helper_spec.rb43
-rw-r--r--spec/lib/activitypub/activity/accept_spec.rb38
-rw-r--r--spec/lib/activitypub/activity/announce_spec.rb29
-rw-r--r--spec/lib/activitypub/activity/block_spec.rb28
-rw-r--r--spec/lib/activitypub/activity/create_spec.rb221
-rw-r--r--spec/lib/activitypub/activity/delete_spec.rb53
-rw-r--r--spec/lib/activitypub/activity/follow_spec.rb49
-rw-r--r--spec/lib/activitypub/activity/like_spec.rb29
-rw-r--r--spec/lib/activitypub/activity/reject_spec.rb38
-rw-r--r--spec/lib/activitypub/activity/undo_spec.rb107
-rw-r--r--spec/lib/activitypub/activity/update_spec.rb41
-rw-r--r--spec/lib/activitypub/linked_data_signature_spec.rb82
-rw-r--r--spec/lib/activitypub/tag_manager_spec.rb99
-rw-r--r--spec/lib/ostatus/atom_serializer_spec.rb11
-rw-r--r--spec/lib/status_finder_spec.rb (renamed from spec/lib/stream_entry_finder_spec.rb)24
-rw-r--r--spec/models/account_spec.rb1
-rw-r--r--spec/models/import_spec.rb19
-rw-r--r--spec/models/status_pin_spec.rb41
-rw-r--r--spec/models/user_spec.rb20
-rw-r--r--spec/services/activitypub/fetch_remote_account_service_spec.rb123
-rw-r--r--spec/services/activitypub/fetch_remote_status_service_spec.rb75
-rw-r--r--spec/services/activitypub/process_account_service_spec.rb5
-rw-r--r--spec/services/activitypub/process_collection_service_spec.rb55
-rw-r--r--spec/services/authorize_follow_service_spec.rb24
-rw-r--r--spec/services/batched_remove_status_service_spec.rb14
-rw-r--r--spec/services/block_service_spec.rb19
-rw-r--r--spec/services/favourite_service_spec.rb22
-rw-r--r--spec/services/fetch_link_card_service_spec.rb6
-rw-r--r--spec/services/fetch_remote_resource_service_spec.rb4
-rw-r--r--spec/services/follow_service_spec.rb25
-rw-r--r--spec/services/post_status_service_spec.rb8
-rw-r--r--spec/services/process_feed_service_spec.rb5
-rw-r--r--spec/services/process_mentions_service_spec.rb46
-rw-r--r--spec/services/reblog_service_spec.rb49
-rw-r--r--spec/services/reject_follow_service_spec.rb24
-rw-r--r--spec/services/remove_status_service_spec.rb15
-rw-r--r--spec/services/resolve_remote_account_service_spec.rb66
-rw-r--r--spec/services/unblock_service_spec.rb22
-rw-r--r--spec/services/unfollow_service_spec.rb22
-rw-r--r--spec/spec_helper.rb17
-rw-r--r--spec/views/about/show.html.haml_spec.rb1
-rw-r--r--spec/workers/activitypub/delivery_worker_spec.rb23
-rw-r--r--spec/workers/activitypub/distribution_worker_spec.rb48
-rw-r--r--spec/workers/activitypub/processing_worker_spec.rb15
-rw-r--r--spec/workers/activitypub/update_distribution_worker_spec.rb20
-rw-r--r--spec/workers/pubsubhubbub/distribution_worker_spec.rb64
352 files changed, 8593 insertions, 2344 deletions
diff --git a/.eslintrc.yml b/.eslintrc.yml
index fd2ba46dd..1c60cbdb3 100644
--- a/.eslintrc.yml
+++ b/.eslintrc.yml
@@ -49,6 +49,7 @@ rules:
   - warn
   - allow:
     - error
+    - warn
   no-fallthrough: error
   no-irregular-whitespace: error
   no-mixed-spaces-and-tabs: warn
diff --git a/.rubocop.yml b/.rubocop.yml
index ae3697174..a36aa5cae 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -10,6 +10,7 @@ AllCops:
   - 'node_modules/**/*'
   - 'Vagrantfile'
   - 'vendor/**/*'
+  - 'lib/json_ld/*'
 
 Bundler/OrderedGems:
   Enabled: false
diff --git a/CODEOWNERS b/CODEOWNERS
new file mode 100644
index 000000000..42fc73ded
--- /dev/null
+++ b/CODEOWNERS
@@ -0,0 +1,15 @@
+# CODEOWNERS for tootsuite/mastodon
+
+# Translators
+# To add translator, copy these lines, replace `fr` with appropriate language code and replace `@żelipapą` with user's GitHub nickname preceded by `@` sign or e-mail address.
+# /app/javascript/mastodon/locales/fr.json @żelipapą
+# /app/views/user_mailer/*.fr.html.erb @żelipapą
+# /app/views/user_mailer/*.fr.text.erb @żelipapą
+# /config/locales/*.fr.yml @żelipapą
+# /config/locales/fr.yml @żelipapą
+
+/app/javascript/mastodon/locales/pl.json @m4sk1n
+/app/views/user_mailer/*.pl.html.erb @m4sk1n
+/app/views/user_mailer/*.pl.text.erb @m4sk1n
+/config/locales/*.pl.yml @m4sk1n
+/config/locales/pl.yml @m4sk1n
diff --git a/Dockerfile b/Dockerfile
index 398628a48..15138065b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:2.4.1-alpine
+FROM ruby:2.4.1-alpine3.6
 
 LABEL maintainer="https://github.com/tootsuite/mastodon" \
       description="A GNU Social-compatible microblogging server"
@@ -14,9 +14,7 @@ EXPOSE 3000 4000
 
 WORKDIR /mastodon
 
-RUN echo "@edge https://nl.alpinelinux.org/alpine/edge/main" >> /etc/apk/repositories \
- && echo "@edge https://nl.alpinelinux.org/alpine/edge/community" >> /etc/apk/repositories \
- && apk -U upgrade \
+RUN apk -U upgrade \
  && apk add -t build-dependencies \
     build-base \
     icu-dev \
@@ -31,15 +29,15 @@ RUN echo "@edge https://nl.alpinelinux.org/alpine/edge/main" >> /etc/apk/reposit
     file \
     git \
     icu-libs \
-    imagemagick@edge \
+    imagemagick \
     libidn \
     libpq \
-    nodejs-npm@edge \
-    nodejs@edge \
+    nodejs-npm \
+    nodejs \
     protobuf \
     su-exec \
     tini \
-    yarn@edge \
+    yarn \
  && update-ca-certificates \
  && wget -O libiconv.tar.gz "http://ftp.gnu.org/pub/gnu/libiconv/libiconv-$LIBICONV_VERSION.tar.gz" \
  && echo "$LIBICONV_DOWNLOAD_SHA256 *libiconv.tar.gz" | sha256sum -c - \
diff --git a/Gemfile b/Gemfile
index f4182bff5..ae90697f1 100644
--- a/Gemfile
+++ b/Gemfile
@@ -22,7 +22,7 @@ gem 'active_model_serializers', '~> 0.10'
 gem 'addressable', '~> 2.5'
 gem 'bootsnap'
 gem 'browser'
-gem 'charlock_holmes', '~> 0.7.3'
+gem 'charlock_holmes', '~> 0.7.5'
 gem 'cld3', '~> 3.1'
 gem 'devise', '~> 4.2'
 gem 'devise-two-factor', '~> 3.0'
@@ -68,6 +68,9 @@ gem 'tzinfo-data', '~> 1.2017'
 gem 'webpacker', '~> 2.0'
 gem 'webpush'
 
+gem 'json-ld-preloaded', '~> 2.2.1'
+gem 'rdf-normalize', '~> 0.3.1'
+
 group :development, :test do
   gem 'fabrication', '~> 2.16'
   gem 'fuubar', '~> 2.2'
diff --git a/Gemfile.lock b/Gemfile.lock
index 7a4dbab85..4a3f20e09 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -44,8 +44,8 @@ GEM
       i18n (~> 0.7)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.5.1)
-      public_suffix (~> 2.0, >= 2.0.2)
+    addressable (2.5.2)
+      public_suffix (>= 2.0.2, < 4.0)
     airbrussh (1.3.0)
       sshkit (>= 1.6.1, != 1.7.0)
     annotate (2.7.2)
@@ -74,13 +74,13 @@ GEM
       debug_inspector (>= 0.0.1)
     bootsnap (1.1.2)
       msgpack (~> 1.0)
-    brakeman (3.6.2)
+    brakeman (3.7.2)
     browser (2.4.0)
     builder (3.2.3)
     bullet (5.5.1)
       activesupport (>= 3.0.0)
       uniform_notifier (~> 1.10.0)
-    bundler-audit (0.5.0)
+    bundler-audit (0.6.0)
       bundler (~> 1.2)
       thor (~> 0.18)
     capistrano (3.8.2)
@@ -108,7 +108,7 @@ GEM
       xpath (~> 2.0)
     case_transform (0.2)
       activesupport
-    charlock_holmes (0.7.3)
+    charlock_holmes (0.7.5)
     chunky_png (1.3.8)
     cld3 (3.1.3)
       ffi (>= 1.1.0, < 1.10.0)
@@ -179,6 +179,8 @@ GEM
       activesupport (>= 4.0.1)
       hamlit (>= 1.2.0)
       railties (>= 4.0.1)
+    hamster (3.0.0)
+      concurrent-ruby (~> 1.0)
     hashdiff (0.3.5)
     highline (1.7.8)
     hiredis (0.6.1)
@@ -211,6 +213,13 @@ GEM
     idn-ruby (0.1.0)
     jmespath (1.3.1)
     json (2.1.0)
+    json-ld (2.1.5)
+      multi_json (~> 1.12)
+      rdf (~> 2.2)
+    json-ld-preloaded (2.2.1)
+      json-ld (~> 2.1, >= 2.1.5)
+      multi_json (~> 1.11)
+      rdf (~> 2.2)
     jsonapi-renderer (0.1.3)
     jwt (1.5.6)
     kaminari (1.0.1)
@@ -298,7 +307,7 @@ GEM
       slop (~> 3.4)
     pry-rails (0.3.6)
       pry (>= 0.10.4)
-    public_suffix (2.0.5)
+    public_suffix (3.0.0)
     puma (3.9.1)
     pundit (1.1.0)
       activesupport (>= 3.0.0)
@@ -348,6 +357,11 @@ GEM
     rainbow (2.2.2)
       rake
     rake (12.0.0)
+    rdf (2.2.8)
+      hamster (~> 3.0)
+      link_header (~> 0.0, >= 0.0.8)
+    rdf-normalize (0.3.2)
+      rdf (~> 2.0)
     redis (3.3.3)
     redis-actionpack (5.0.1)
       actionpack (>= 4.0, < 6)
@@ -454,7 +468,7 @@ GEM
     temple (0.8.0)
     terminal-table (1.8.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
-    thor (0.19.4)
+    thor (0.20.0)
     thread (0.2.2)
     thread_safe (0.3.6)
     tilt (2.0.8)
@@ -511,7 +525,7 @@ DEPENDENCIES
   capistrano-rbenv (~> 2.1)
   capistrano-yarn (~> 2.0)
   capybara (~> 2.14)
-  charlock_holmes (~> 0.7.3)
+  charlock_holmes (~> 0.7.5)
   cld3 (~> 3.1)
   climate_control (~> 0.2)
   devise (~> 4.2)
@@ -531,6 +545,7 @@ DEPENDENCIES
   httplog (~> 0.99)
   i18n-tasks (~> 0.9)
   idn-ruby
+  json-ld-preloaded (~> 2.2.1)
   kaminari (~> 1.0)
   letter_opener (~> 1.4)
   letter_opener_web (~> 1.3)
@@ -560,6 +575,7 @@ DEPENDENCIES
   rails-controller-testing (~> 1.0)
   rails-i18n (~> 5.0)
   rails-settings-cached (~> 0.6)
+  rdf-normalize (~> 0.3.1)
   redis (~> 3.3)
   redis-namespace (~> 1.5)
   redis-rails (~> 5.0)
@@ -590,4 +606,4 @@ RUBY VERSION
    ruby 2.4.1p111
 
 BUNDLED WITH
-   1.15.3
+   1.15.4
diff --git a/app/controllers/accounts_controller.rb b/app/controllers/accounts_controller.rb
index c270eb000..8dad12f11 100644
--- a/app/controllers/accounts_controller.rb
+++ b/app/controllers/accounts_controller.rb
@@ -7,8 +7,17 @@ class AccountsController < ApplicationController
   def show
     respond_to do |format|
       format.html do
-        @statuses = @account.statuses.permitted_for(@account, current_account).paginate_by_max_id(20, params[:max_id], params[:since_id])
-        @statuses = cache_collection(@statuses, Status)
+        @pinned_statuses = []
+
+        if current_account && @account.blocking?(current_account)
+          @statuses = []
+          return
+        end
+
+        @pinned_statuses = cache_collection(@account.pinned_statuses, Status) unless media_requested?
+        @statuses        = filtered_statuses.paginate_by_max_id(20, params[:max_id], params[:since_id])
+        @statuses        = cache_collection(@statuses, Status)
+        @next_url        = next_url unless @statuses.empty?
       end
 
       format.atom do
@@ -17,14 +26,55 @@ class AccountsController < ApplicationController
       end
 
       format.json do
-        render json: @account, serializer: ActivityPub::ActorSerializer, adapter: ActivityPub::Adapter
+        render json: @account, serializer: ActivityPub::ActorSerializer, adapter: ActivityPub::Adapter, content_type: 'application/activity+json'
       end
     end
   end
 
   private
 
+  def filtered_statuses
+    default_statuses.tap do |statuses|
+      statuses.merge!(only_media_scope) if media_requested?
+      statuses.merge!(no_replies_scope) unless replies_requested?
+    end
+  end
+
+  def default_statuses
+    @account.statuses.where(visibility: [:public, :unlisted])
+  end
+
+  def only_media_scope
+    Status.where(id: account_media_status_ids)
+  end
+
+  def account_media_status_ids
+    @account.media_attachments.attached.reorder(nil).select(:status_id).distinct
+  end
+
+  def no_replies_scope
+    Status.without_replies
+  end
+
   def set_account
     @account = Account.find_local!(params[:username])
   end
+
+  def next_url
+    if media_requested?
+      short_account_media_url(@account, max_id: @statuses.last.id)
+    elsif replies_requested?
+      short_account_with_replies_url(@account, max_id: @statuses.last.id)
+    else
+      short_account_url(@account, max_id: @statuses.last.id)
+    end
+  end
+
+  def media_requested?
+    request.path.ends_with?('/media')
+  end
+
+  def replies_requested?
+    request.path.ends_with?('/with_replies')
+  end
 end
diff --git a/app/controllers/activitypub/inboxes_controller.rb b/app/controllers/activitypub/inboxes_controller.rb
new file mode 100644
index 000000000..5fce505fd
--- /dev/null
+++ b/app/controllers/activitypub/inboxes_controller.rb
@@ -0,0 +1,36 @@
+# frozen_string_literal: true
+
+class ActivityPub::InboxesController < Api::BaseController
+  include SignatureVerification
+
+  before_action :set_account
+
+  def create
+    if signed_request_account
+      upgrade_account
+      process_payload
+      head 201
+    else
+      head 202
+    end
+  end
+
+  private
+
+  def set_account
+    @account = Account.find_local!(params[:account_username]) if params[:account_username]
+  end
+
+  def body
+    @body ||= request.body.read
+  end
+
+  def upgrade_account
+    return unless signed_request_account.subscribed?
+    Pubsubhubbub::UnsubscribeWorker.perform_async(signed_request_account.id)
+  end
+
+  def process_payload
+    ActivityPub::ProcessingWorker.perform_async(signed_request_account.id, body.force_encoding('UTF-8'))
+  end
+end
diff --git a/app/controllers/activitypub/outboxes_controller.rb b/app/controllers/activitypub/outboxes_controller.rb
index 30b91f370..9f97ff622 100644
--- a/app/controllers/activitypub/outboxes_controller.rb
+++ b/app/controllers/activitypub/outboxes_controller.rb
@@ -7,7 +7,7 @@ class ActivityPub::OutboxesController < Api::BaseController
     @statuses = @account.statuses.permitted_for(@account, current_account).paginate_by_max_id(20, params[:max_id], params[:since_id])
     @statuses = cache_collection(@statuses, Status)
 
-    render json: outbox_presenter, serializer: ActivityPub::CollectionSerializer, adapter: ActivityPub::Adapter
+    render json: outbox_presenter, serializer: ActivityPub::CollectionSerializer, adapter: ActivityPub::Adapter, content_type: 'application/activity+json'
   end
 
   private
diff --git a/app/controllers/admin/accounts_controller.rb b/app/controllers/admin/accounts_controller.rb
index 7bceee2cd..54c659e1b 100644
--- a/app/controllers/admin/accounts_controller.rb
+++ b/app/controllers/admin/accounts_controller.rb
@@ -17,7 +17,7 @@ module Admin
     end
 
     def unsubscribe
-      UnsubscribeService.new.call(@account)
+      Pubsubhubbub::UnsubscribeWorker.perform_async(@account.id)
       redirect_to admin_account_path(@account.id)
     end
 
diff --git a/app/controllers/admin/statuses_controller.rb b/app/controllers/admin/statuses_controller.rb
index 50712f0dd..b05000b16 100644
--- a/app/controllers/admin/statuses_controller.rb
+++ b/app/controllers/admin/statuses_controller.rb
@@ -9,7 +9,7 @@ module Admin
     before_action :set_account
     before_action :set_status, only: [:update, :destroy]
 
-    PAR_PAGE = 20
+    PER_PAGE = 20
 
     def index
       @statuses = @account.statuses
@@ -17,7 +17,7 @@ module Admin
         account_media_status_ids = @account.media_attachments.attached.reorder(nil).select(:status_id).distinct
         @statuses.merge!(Status.where(id: account_media_status_ids))
       end
-      @statuses = @statuses.preload(:media_attachments, :mentions).page(params[:page]).per(PAR_PAGE)
+      @statuses = @statuses.preload(:media_attachments, :mentions).page(params[:page]).per(PER_PAGE)
 
       @form = Form::StatusBatch.new
     end
diff --git a/app/controllers/api/base_controller.rb b/app/controllers/api/base_controller.rb
index 105a2859d..7cfe8fe71 100644
--- a/app/controllers/api/base_controller.rb
+++ b/app/controllers/api/base_controller.rb
@@ -43,7 +43,7 @@ class Api::BaseController < ApplicationController
     links = []
     links << [next_path, [%w(rel next)]] if next_path
     links << [prev_path, [%w(rel prev)]] if prev_path
-    response.headers['Link'] = LinkHeader.new(links)
+    response.headers['Link'] = LinkHeader.new(links) unless links.empty?
   end
 
   def limit_param(default_limit)
@@ -62,10 +62,11 @@ class Api::BaseController < ApplicationController
   end
 
   def require_user!
-    current_resource_owner
-    set_user_activity
-  rescue ActiveRecord::RecordNotFound
-    render json: { error: 'This method requires an authenticated user' }, status: 422
+    if current_user
+      set_user_activity
+    else
+      render json: { error: 'This method requires an authenticated user' }, status: 422
+    end
   end
 
   def render_empty
diff --git a/app/controllers/api/oembed_controller.rb b/app/controllers/api/oembed_controller.rb
index f8c87dd16..37a163cd3 100644
--- a/app/controllers/api/oembed_controller.rb
+++ b/app/controllers/api/oembed_controller.rb
@@ -4,14 +4,14 @@ class Api::OEmbedController < Api::BaseController
   respond_to :json
 
   def show
-    @stream_entry = find_stream_entry.stream_entry
-    render json: @stream_entry, serializer: OEmbedSerializer, width: maxwidth_or_default, height: maxheight_or_default
+    @status = status_finder.status
+    render json: @status, serializer: OEmbedSerializer, width: maxwidth_or_default, height: maxheight_or_default
   end
 
   private
 
-  def find_stream_entry
-    StreamEntryFinder.new(params[:url])
+  def status_finder
+    StatusFinder.new(params[:url])
   end
 
   def maxwidth_or_default
diff --git a/app/controllers/api/v1/accounts/credentials_controller.rb b/app/controllers/api/v1/accounts/credentials_controller.rb
index 073808532..da534d960 100644
--- a/app/controllers/api/v1/accounts/credentials_controller.rb
+++ b/app/controllers/api/v1/accounts/credentials_controller.rb
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 class Api::V1::Accounts::CredentialsController < Api::BaseController
+  before_action -> { doorkeeper_authorize! :read }, except: [:update]
   before_action -> { doorkeeper_authorize! :write }, only: [:update]
   before_action :require_user!
 
@@ -10,8 +11,9 @@ class Api::V1::Accounts::CredentialsController < Api::BaseController
   end
 
   def update
-    current_account.update!(account_params)
     @account = current_account
+    UpdateAccountService.new.call(@account, account_params, raise_error: true)
+    ActivityPub::UpdateDistributionWorker.perform_async(@account.id)
     render json: @account, serializer: REST::CredentialAccountSerializer
   end
 
diff --git a/app/controllers/api/v1/accounts/statuses_controller.rb b/app/controllers/api/v1/accounts/statuses_controller.rb
index d9ae5c089..095f6937b 100644
--- a/app/controllers/api/v1/accounts/statuses_controller.rb
+++ b/app/controllers/api/v1/accounts/statuses_controller.rb
@@ -29,6 +29,7 @@ class Api::V1::Accounts::StatusesController < Api::BaseController
   def account_statuses
     default_statuses.tap do |statuses|
       statuses.merge!(only_media_scope) if params[:only_media]
+      statuses.merge!(pinned_scope) if params[:pinned]
       statuses.merge!(no_replies_scope) if params[:exclude_replies]
     end
   end
@@ -53,6 +54,10 @@ class Api::V1::Accounts::StatusesController < Api::BaseController
     @account.media_attachments.attached.reorder(nil).select(:status_id).distinct
   end
 
+  def pinned_scope
+    @account.pinned_statuses
+  end
+
   def no_replies_scope
     Status.without_replies
   end
diff --git a/app/controllers/api/v1/statuses/pins_controller.rb b/app/controllers/api/v1/statuses/pins_controller.rb
new file mode 100644
index 000000000..3de1009b8
--- /dev/null
+++ b/app/controllers/api/v1/statuses/pins_controller.rb
@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+class Api::V1::Statuses::PinsController < Api::BaseController
+  include Authorization
+
+  before_action -> { doorkeeper_authorize! :write }
+  before_action :require_user!
+  before_action :set_status
+
+  respond_to :json
+
+  def create
+    StatusPin.create!(account: current_account, status: @status)
+    render json: @status, serializer: REST::StatusSerializer
+  end
+
+  def destroy
+    pin = StatusPin.find_by(account: current_account, status: @status)
+    pin&.destroy!
+    render json: @status, serializer: REST::StatusSerializer
+  end
+
+  private
+
+  def set_status
+    @status = Status.find(params[:status_id])
+  end
+end
diff --git a/app/controllers/api/v1/statuses_controller.rb b/app/controllers/api/v1/statuses_controller.rb
index 9c7124d0f..544a4ce21 100644
--- a/app/controllers/api/v1/statuses_controller.rb
+++ b/app/controllers/api/v1/statuses_controller.rb
@@ -29,7 +29,7 @@ class Api::V1::StatusesController < Api::BaseController
   end
 
   def card
-    @card = PreviewCard.find_by(status: @status)
+    @card = @status.preview_cards.first
 
     if @card.nil?
       render_empty
diff --git a/app/controllers/api/web/embeds_controller.rb b/app/controllers/api/web/embeds_controller.rb
new file mode 100644
index 000000000..2ed516161
--- /dev/null
+++ b/app/controllers/api/web/embeds_controller.rb
@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+class Api::Web::EmbedsController < Api::BaseController
+  respond_to :json
+
+  before_action :require_user!
+
+  def create
+    status = StatusFinder.new(params[:url]).status
+    render json: status, serializer: OEmbedSerializer, width: 400
+  rescue ActiveRecord::RecordNotFound
+    oembed = OEmbed::Providers.get(params[:url])
+    render json: Oj.dump(oembed.fields)
+  rescue OEmbed::NotFound
+    render json: {}, status: :not_found
+  end
+end
diff --git a/app/controllers/concerns/account_controller_concern.rb b/app/controllers/concerns/account_controller_concern.rb
index d36fc8c93..5b9981aa2 100644
--- a/app/controllers/concerns/account_controller_concern.rb
+++ b/app/controllers/concerns/account_controller_concern.rb
@@ -23,6 +23,7 @@ module AccountControllerConcern
       [
         webfinger_account_link,
         atom_account_url_link,
+        actor_url_link,
       ]
     )
   end
@@ -41,6 +42,13 @@ module AccountControllerConcern
     ]
   end
 
+  def actor_url_link
+    [
+      ActivityPub::TagManager.instance.uri_for(@account),
+      [%w(rel alternate), %w(type application/activity+json)],
+    ]
+  end
+
   def webfinger_account_url
     webfinger_url(resource: @account.to_webfinger_s)
   end
diff --git a/app/controllers/concerns/signature_verification.rb b/app/controllers/concerns/signature_verification.rb
index abe845d93..4211283ed 100644
--- a/app/controllers/concerns/signature_verification.rb
+++ b/app/controllers/concerns/signature_verification.rb
@@ -31,7 +31,7 @@ module SignatureVerification
       return
     end
 
-    account = ResolveRemoteAccountService.new.call(signature_params['keyId'].gsub(/\Aacct:/, ''))
+    account = account_from_key_id(signature_params['keyId'])
 
     if account.nil?
       @signed_request_account = nil
@@ -49,6 +49,10 @@ module SignatureVerification
     end
   end
 
+  def request_body
+    @request_body ||= request.raw_post
+  end
+
   private
 
   def build_signed_string(signed_headers)
@@ -57,6 +61,8 @@ module SignatureVerification
     signed_headers.split(' ').map do |signed_header|
       if signed_header == Request::REQUEST_TARGET
         "#{Request::REQUEST_TARGET}: #{request.method.downcase} #{request.path}"
+      elsif signed_header == 'digest'
+        "digest: #{body_digest}"
       else
         "#{signed_header}: #{request.headers[to_header_name(signed_header)]}"
       end
@@ -73,6 +79,10 @@ module SignatureVerification
     (Time.now.utc - time_sent).abs <= 30
   end
 
+  def body_digest
+    "SHA-256=#{Digest::SHA256.base64digest(request_body)}"
+  end
+
   def to_header_name(name)
     name.split(/-/).map(&:capitalize).join('-')
   end
@@ -81,7 +91,16 @@ module SignatureVerification
     signature_params['keyId'].blank? ||
       signature_params['signature'].blank? ||
       signature_params['algorithm'].blank? ||
-      signature_params['algorithm'] != 'rsa-sha256' ||
-      !signature_params['keyId'].start_with?('acct:')
+      signature_params['algorithm'] != 'rsa-sha256'
+  end
+
+  def account_from_key_id(key_id)
+    if key_id.start_with?('acct:')
+      ResolveRemoteAccountService.new.call(key_id.gsub(/\Aacct:/, ''))
+    elsif !ActivityPub::TagManager.instance.local_uri?(key_id)
+      account   = ActivityPub::TagManager.instance.uri_to_resource(key_id, Account)
+      account ||= ActivityPub::FetchRemoteKeyService.new.call(key_id)
+      account
+    end
   end
 end
diff --git a/app/controllers/follower_accounts_controller.rb b/app/controllers/follower_accounts_controller.rb
index 5edb4d67c..0e1949897 100644
--- a/app/controllers/follower_accounts_controller.rb
+++ b/app/controllers/follower_accounts_controller.rb
@@ -10,7 +10,7 @@ class FollowerAccountsController < ApplicationController
       format.html
 
       format.json do
-        render json: collection_presenter, serializer: ActivityPub::CollectionSerializer, adapter: ActivityPub::Adapter
+        render json: collection_presenter, serializer: ActivityPub::CollectionSerializer, adapter: ActivityPub::Adapter, content_type: 'application/activity+json'
       end
     end
   end
diff --git a/app/controllers/following_accounts_controller.rb b/app/controllers/following_accounts_controller.rb
index 7cafe5fda..d4593093f 100644
--- a/app/controllers/following_accounts_controller.rb
+++ b/app/controllers/following_accounts_controller.rb
@@ -10,7 +10,7 @@ class FollowingAccountsController < ApplicationController
       format.html
 
       format.json do
-        render json: collection_presenter, serializer: ActivityPub::CollectionSerializer, adapter: ActivityPub::Adapter
+        render json: collection_presenter, serializer: ActivityPub::CollectionSerializer, adapter: ActivityPub::Adapter, content_type: 'application/activity+json'
       end
     end
   end
diff --git a/app/controllers/intents_controller.rb b/app/controllers/intents_controller.rb
new file mode 100644
index 000000000..504befd1f
--- /dev/null
+++ b/app/controllers/intents_controller.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+class IntentsController < ApplicationController
+  def show
+    uri = Addressable::URI.parse(params[:uri])
+
+    if uri.scheme == 'web+mastodon'
+      case uri.host
+      when 'follow'
+        return redirect_to authorize_follow_path(acct: uri.query_values['uri'].gsub(/\Aacct:/, ''))
+      when 'share'
+        return redirect_to share_path(text: uri.query_values['text'])
+      end
+    end
+
+    not_found
+  end
+end
diff --git a/app/controllers/settings/applications_controller.rb b/app/controllers/settings/applications_controller.rb
new file mode 100644
index 000000000..8fc9a0fa9
--- /dev/null
+++ b/app/controllers/settings/applications_controller.rb
@@ -0,0 +1,72 @@
+# frozen_string_literal: true
+
+class Settings::ApplicationsController < ApplicationController
+  layout 'admin'
+
+  before_action :authenticate_user!
+  before_action :set_application, only: [:show, :update, :destroy, :regenerate]
+  before_action :prepare_scopes, only: [:create, :update]
+
+  def index
+    @applications = current_user.applications.page(params[:page])
+  end
+
+  def new
+    @application = Doorkeeper::Application.new(
+      redirect_uri: Doorkeeper.configuration.native_redirect_uri,
+      scopes: 'read write follow'
+    )
+  end
+
+  def show; end
+
+  def create
+    @application = current_user.applications.build(application_params)
+
+    if @application.save
+      redirect_to settings_applications_path, notice: I18n.t('applications.created')
+    else
+      render :new
+    end
+  end
+
+  def update
+    if @application.update(application_params)
+      redirect_to settings_applications_path, notice: I18n.t('generic.changes_saved_msg')
+    else
+      render :show
+    end
+  end
+
+  def destroy
+    @application.destroy
+    redirect_to settings_applications_path, notice: I18n.t('applications.destroyed')
+  end
+
+  def regenerate
+    @access_token = current_user.token_for_app(@application)
+    @access_token.destroy
+
+    redirect_to settings_application_path(@application), notice: I18n.t('applications.token_regenerated')
+  end
+
+  private
+
+  def set_application
+    @application = current_user.applications.find(params[:id])
+  end
+
+  def application_params
+    params.require(:doorkeeper_application).permit(
+      :name,
+      :redirect_uri,
+      :scopes,
+      :website
+    )
+  end
+
+  def prepare_scopes
+    scopes = params.fetch(:doorkeeper_application, {}).fetch(:scopes, nil)
+    params[:doorkeeper_application][:scopes] = scopes.join(' ') if scopes.is_a? Array
+  end
+end
diff --git a/app/controllers/settings/profiles_controller.rb b/app/controllers/settings/profiles_controller.rb
index 0367e3593..28f78a4fb 100644
--- a/app/controllers/settings/profiles_controller.rb
+++ b/app/controllers/settings/profiles_controller.rb
@@ -14,7 +14,8 @@ class Settings::ProfilesController < ApplicationController
   def show; end
 
   def update
-    if @account.update(account_params)
+    if UpdateAccountService.new.call(@account, account_params)
+      ActivityPub::UpdateDistributionWorker.perform_async(@account.id)
       redirect_to settings_profile_path, notice: I18n.t('generic.changes_saved_msg')
     else
       render :show
diff --git a/app/controllers/shares_controller.rb b/app/controllers/shares_controller.rb
new file mode 100644
index 000000000..994742c3d
--- /dev/null
+++ b/app/controllers/shares_controller.rb
@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+
+class SharesController < ApplicationController
+  layout 'modal'
+
+  before_action :authenticate_user!
+  before_action :set_body_classes
+
+  def show
+    serializable_resource = ActiveModelSerializers::SerializableResource.new(InitialStatePresenter.new(initial_state_params), serializer: InitialStateSerializer)
+    @initial_state_json   = serializable_resource.to_json
+  end
+
+  private
+
+  def initial_state_params
+    {
+      settings: Web::Setting.find_by(user: current_user)&.data || {},
+      push_subscription: current_account.user.web_push_subscription(current_session),
+      current_account: current_account,
+      token: current_session.token,
+      admin: Account.find_local(Setting.site_contact_username),
+      text: params[:text],
+    }
+  end
+
+  def set_body_classes
+    @body_classes = 'compose-standalone'
+  end
+end
diff --git a/app/controllers/statuses_controller.rb b/app/controllers/statuses_controller.rb
index 8e0ce0ec3..65206ea96 100644
--- a/app/controllers/statuses_controller.rb
+++ b/app/controllers/statuses_controller.rb
@@ -9,6 +9,7 @@ class StatusesController < ApplicationController
   before_action :set_status
   before_action :set_link_headers
   before_action :check_account_suspension
+  before_action :redirect_to_original, only: [:show]
 
   def show
     respond_to do |format|
@@ -20,13 +21,18 @@ class StatusesController < ApplicationController
       end
 
       format.json do
-        render json: @status, serializer: ActivityPub::NoteSerializer, adapter: ActivityPub::Adapter
+        render json: @status, serializer: ActivityPub::NoteSerializer, adapter: ActivityPub::Adapter, content_type: 'application/activity+json'
       end
     end
   end
 
   def activity
-    render json: @status, serializer: ActivityPub::ActivitySerializer, adapter: ActivityPub::Adapter
+    render json: @status, serializer: ActivityPub::ActivitySerializer, adapter: ActivityPub::Adapter, content_type: 'application/activity+json'
+  end
+
+  def embed
+    response.headers['X-Frame-Options'] = 'ALLOWALL'
+    render 'stream_entries/embed', layout: 'embedded'
   end
 
   private
@@ -36,7 +42,12 @@ class StatusesController < ApplicationController
   end
 
   def set_link_headers
-    response.headers['Link'] = LinkHeader.new([[account_stream_entry_url(@account, @status.stream_entry, format: 'atom'), [%w(rel alternate), %w(type application/atom+xml)]]])
+    response.headers['Link'] = LinkHeader.new(
+      [
+        [account_stream_entry_url(@account, @status.stream_entry, format: 'atom'), [%w(rel alternate), %w(type application/atom+xml)]],
+        [ActivityPub::TagManager.instance.uri_for(@status), [%w(rel alternate), %w(type application/activity+json)]],
+      ]
+    )
   end
 
   def set_status
@@ -53,4 +64,8 @@ class StatusesController < ApplicationController
   def check_account_suspension
     gone if @account.suspended?
   end
+
+  def redirect_to_original
+    redirect_to ::TagManager.instance.url_for(@status.reblog) if @status.reblog?
+  end
 end
diff --git a/app/controllers/stream_entries_controller.rb b/app/controllers/stream_entries_controller.rb
index 3eb91d830..cc579dbc8 100644
--- a/app/controllers/stream_entries_controller.rb
+++ b/app/controllers/stream_entries_controller.rb
@@ -25,10 +25,7 @@ class StreamEntriesController < ApplicationController
   end
 
   def embed
-    response.headers['X-Frame-Options'] = 'ALLOWALL'
-    return gone if @stream_entry.activity.nil?
-
-    render layout: 'embedded'
+    redirect_to embed_short_account_status_url(@account, @stream_entry.activity), status: 301
   end
 
   private
@@ -38,7 +35,12 @@ class StreamEntriesController < ApplicationController
   end
 
   def set_link_headers
-    response.headers['Link'] = LinkHeader.new([[account_stream_entry_url(@account, @stream_entry, format: 'atom'), [%w(rel alternate), %w(type application/atom+xml)]]])
+    response.headers['Link'] = LinkHeader.new(
+      [
+        [account_stream_entry_url(@account, @stream_entry, format: 'atom'), [%w(rel alternate), %w(type application/atom+xml)]],
+        [ActivityPub::TagManager.instance.uri_for(@stream_entry.activity), [%w(rel alternate), %w(type application/activity+json)]],
+      ]
+    )
   end
 
   def set_stream_entry
diff --git a/app/controllers/tags_controller.rb b/app/controllers/tags_controller.rb
index 2cd85e185..3001b2ee3 100644
--- a/app/controllers/tags_controller.rb
+++ b/app/controllers/tags_controller.rb
@@ -12,7 +12,7 @@ class TagsController < ApplicationController
       format.html
 
       format.json do
-        render json: collection_presenter, serializer: ActivityPub::CollectionSerializer, adapter: ActivityPub::Adapter
+        render json: collection_presenter, serializer: ActivityPub::CollectionSerializer, adapter: ActivityPub::Adapter, content_type: 'application/activity+json'
       end
     end
   end
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 9f50d8bdb..61d4442c1 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -5,6 +5,10 @@ module ApplicationHelper
     current_page?(path) ? 'active' : ''
   end
 
+  def active_link_to(label, path, options = {})
+    link_to label, path, options.merge(class: active_nav_class(path))
+  end
+
   def show_landing_strip?
     !user_signed_in? && !single_user_mode?
   end
diff --git a/app/helpers/jsonld_helper.rb b/app/helpers/jsonld_helper.rb
new file mode 100644
index 000000000..d82a07332
--- /dev/null
+++ b/app/helpers/jsonld_helper.rb
@@ -0,0 +1,52 @@
+# frozen_string_literal: true
+
+module JsonLdHelper
+  def equals_or_includes?(haystack, needle)
+    haystack.is_a?(Array) ? haystack.include?(needle) : haystack == needle
+  end
+
+  def first_of_value(value)
+    value.is_a?(Array) ? value.first : value
+  end
+
+  def value_or_id(value)
+    value.is_a?(String) || value.nil? ? value : value['id']
+  end
+
+  def supported_context?(json)
+    !json.nil? && equals_or_includes?(json['@context'], ActivityPub::TagManager::CONTEXT)
+  end
+
+  def canonicalize(json)
+    graph = RDF::Graph.new << JSON::LD::API.toRdf(json)
+    graph.dump(:normalize)
+  end
+
+  def fetch_resource(uri)
+    response = build_request(uri).perform
+    return if response.code != 200
+    body_to_json(response.to_s)
+  end
+
+  def body_to_json(body)
+    body.is_a?(String) ? Oj.load(body, mode: :strict) : body
+  rescue Oj::ParseError
+    nil
+  end
+
+  def merge_context(context, new_context)
+    if context.is_a?(Array)
+      context << new_context
+    else
+      [context, new_context]
+    end
+  end
+
+  private
+
+  def build_request(uri)
+    request = Request.new(:get, uri)
+    request.add_headers('Accept' => 'application/activity+json, application/ld+json')
+    request
+  end
+end
diff --git a/app/helpers/routing_helper.rb b/app/helpers/routing_helper.rb
index 8126176ba..1fbf77ec3 100644
--- a/app/helpers/routing_helper.rb
+++ b/app/helpers/routing_helper.rb
@@ -12,6 +12,8 @@ module RoutingHelper
   end
 
   def full_asset_url(source, options = {})
-    Rails.configuration.x.use_s3 ? source : URI.join(root_url, ActionController::Base.helpers.asset_url(source, options)).to_s
+    source = ActionController::Base.helpers.asset_url(source, options) unless Rails.configuration.x.use_s3
+
+    URI.join(root_url, source).to_s
   end
 end
diff --git a/app/helpers/stream_entries_helper.rb b/app/helpers/stream_entries_helper.rb
index 4ef7cffb0..445114985 100644
--- a/app/helpers/stream_entries_helper.rb
+++ b/app/helpers/stream_entries_helper.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 module StreamEntriesHelper
-  EMBEDDED_CONTROLLER = 'stream_entries'
+  EMBEDDED_CONTROLLER = 'statuses'
   EMBEDDED_ACTION = 'embed'
 
   def display_name(account)
diff --git a/app/javascript/mastodon/actions/interactions.js b/app/javascript/mastodon/actions/interactions.js
index 36eec4934..7b5f4bd9c 100644
--- a/app/javascript/mastodon/actions/interactions.js
+++ b/app/javascript/mastodon/actions/interactions.js
@@ -24,6 +24,14 @@ export const FAVOURITES_FETCH_REQUEST = 'FAVOURITES_FETCH_REQUEST';
 export const FAVOURITES_FETCH_SUCCESS = 'FAVOURITES_FETCH_SUCCESS';
 export const FAVOURITES_FETCH_FAIL    = 'FAVOURITES_FETCH_FAIL';
 
+export const PIN_REQUEST = 'PIN_REQUEST';
+export const PIN_SUCCESS = 'PIN_SUCCESS';
+export const PIN_FAIL    = 'PIN_FAIL';
+
+export const UNPIN_REQUEST = 'UNPIN_REQUEST';
+export const UNPIN_SUCCESS = 'UNPIN_SUCCESS';
+export const UNPIN_FAIL    = 'UNPIN_FAIL';
+
 export function reblog(status) {
   return function (dispatch, getState) {
     dispatch(reblogRequest(status));
@@ -233,3 +241,73 @@ export function fetchFavouritesFail(id, error) {
     error,
   };
 };
+
+export function pin(status) {
+  return (dispatch, getState) => {
+    dispatch(pinRequest(status));
+
+    api(getState).post(`/api/v1/statuses/${status.get('id')}/pin`).then(response => {
+      dispatch(pinSuccess(status, response.data));
+    }).catch(error => {
+      dispatch(pinFail(status, error));
+    });
+  };
+};
+
+export function pinRequest(status) {
+  return {
+    type: PIN_REQUEST,
+    status,
+  };
+};
+
+export function pinSuccess(status, response) {
+  return {
+    type: PIN_SUCCESS,
+    status,
+    response,
+  };
+};
+
+export function pinFail(status, error) {
+  return {
+    type: PIN_FAIL,
+    status,
+    error,
+  };
+};
+
+export function unpin (status) {
+  return (dispatch, getState) => {
+    dispatch(unpinRequest(status));
+
+    api(getState).post(`/api/v1/statuses/${status.get('id')}/unpin`).then(response => {
+      dispatch(unpinSuccess(status, response.data));
+    }).catch(error => {
+      dispatch(unpinFail(status, error));
+    });
+  };
+};
+
+export function unpinRequest(status) {
+  return {
+    type: UNPIN_REQUEST,
+    status,
+  };
+};
+
+export function unpinSuccess(status, response) {
+  return {
+    type: UNPIN_SUCCESS,
+    status,
+    response,
+  };
+};
+
+export function unpinFail(status, error) {
+  return {
+    type: UNPIN_FAIL,
+    status,
+    error,
+  };
+};
diff --git a/app/javascript/mastodon/actions/streaming.js b/app/javascript/mastodon/actions/streaming.js
new file mode 100644
index 000000000..7802694a3
--- /dev/null
+++ b/app/javascript/mastodon/actions/streaming.js
@@ -0,0 +1,94 @@
+import createStream from '../stream';
+import {
+  updateTimeline,
+  deleteFromTimelines,
+  refreshHomeTimeline,
+  connectTimeline,
+  disconnectTimeline,
+} from './timelines';
+import { updateNotifications, refreshNotifications } from './notifications';
+import { getLocale } from '../locales';
+
+const { messages } = getLocale();
+
+export function connectTimelineStream (timelineId, path, pollingRefresh = null) {
+  return (dispatch, getState) => {
+    const streamingAPIBaseURL = getState().getIn(['meta', 'streaming_api_base_url']);
+    const accessToken = getState().getIn(['meta', 'access_token']);
+    const locale = getState().getIn(['meta', 'locale']);
+    let polling = null;
+
+    const setupPolling = () => {
+      polling = setInterval(() => {
+        pollingRefresh(dispatch);
+      }, 20000);
+    };
+
+    const clearPolling = () => {
+      if (polling) {
+        clearInterval(polling);
+        polling = null;
+      }
+    };
+
+    const subscription = createStream(streamingAPIBaseURL, accessToken, path, {
+
+      connected () {
+        if (pollingRefresh) {
+          clearPolling();
+        }
+        dispatch(connectTimeline(timelineId));
+      },
+
+      disconnected () {
+        if (pollingRefresh) {
+          setupPolling();
+        }
+        dispatch(disconnectTimeline(timelineId));
+      },
+
+      received (data) {
+        switch(data.event) {
+        case 'update':
+          dispatch(updateTimeline(timelineId, JSON.parse(data.payload)));
+          break;
+        case 'delete':
+          dispatch(deleteFromTimelines(data.payload));
+          break;
+        case 'notification':
+          dispatch(updateNotifications(JSON.parse(data.payload), messages, locale));
+          break;
+        }
+      },
+
+      reconnected () {
+        if (pollingRefresh) {
+          clearPolling();
+          pollingRefresh(dispatch);
+        }
+        dispatch(connectTimeline(timelineId));
+      },
+
+    });
+
+    const disconnect = () => {
+      if (subscription) {
+        subscription.close();
+      }
+      clearPolling();
+    };
+
+    return disconnect;
+  };
+}
+
+function refreshHomeTimelineAndNotification (dispatch) {
+  dispatch(refreshHomeTimeline());
+  dispatch(refreshNotifications());
+}
+
+export const connectUserStream = () => connectTimelineStream('home', 'user', refreshHomeTimelineAndNotification);
+export const connectCommunityStream = () => connectTimelineStream('community', 'public:local');
+export const connectMediaStream = () => connectTimelineStream('community', 'public:local');
+export const connectPublicStream = () => connectTimelineStream('public', 'public');
+export const connectHashtagStream = (tag) => connectTimelineStream(`hashtag:${tag}`, `hashtag&tag=${tag}`);
diff --git a/app/javascript/mastodon/components/account.js b/app/javascript/mastodon/components/account.js
index 69cc63d10..6456c12ba 100644
--- a/app/javascript/mastodon/components/account.js
+++ b/app/javascript/mastodon/components/account.js
@@ -26,6 +26,7 @@ export default class Account extends ImmutablePureComponent {
     onBlock: PropTypes.func.isRequired,
     onMute: PropTypes.func.isRequired,
     intl: PropTypes.object.isRequired,
+    hidden: PropTypes.bool,
   };
 
   handleFollow = () => {
@@ -41,12 +42,21 @@ export default class Account extends ImmutablePureComponent {
   }
 
   render () {
-    const { account, me, intl } = this.props;
+    const { account, me, intl, hidden } = this.props;
 
     if (!account) {
       return <div />;
     }
 
+    if (hidden) {
+      return (
+        <div>
+          {account.get('display_name')}
+          {account.get('username')}
+        </div>
+      );
+    }
+
     let buttons;
 
     if (account.get('id') !== me && account.get('relationship', null) !== null) {
diff --git a/app/javascript/mastodon/components/column.js b/app/javascript/mastodon/components/column.js
index 103fcd495..168f2da9c 100644
--- a/app/javascript/mastodon/components/column.js
+++ b/app/javascript/mastodon/components/column.js
@@ -33,7 +33,7 @@ export default class Column extends React.PureComponent {
   }
 
   componentDidMount () {
-    this.node.addEventListener('wheel', this.handleWheel,  detectPassiveEvents ? { passive: true } : false);
+    this.node.addEventListener('wheel', this.handleWheel,  detectPassiveEvents.hasSupport ? { passive: true } : false);
   }
 
   componentWillUnmount () {
diff --git a/app/javascript/mastodon/components/intersection_observer_article.js b/app/javascript/mastodon/components/intersection_observer_article.js
new file mode 100644
index 000000000..347767818
--- /dev/null
+++ b/app/javascript/mastodon/components/intersection_observer_article.js
@@ -0,0 +1,122 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import ImmutablePureComponent from 'react-immutable-pure-component';
+import scheduleIdleTask from '../features/ui/util/schedule_idle_task';
+import getRectFromEntry from '../features/ui/util/get_rect_from_entry';
+
+export default class IntersectionObserverArticle extends ImmutablePureComponent {
+
+  static propTypes = {
+    intersectionObserverWrapper: PropTypes.object,
+    id: PropTypes.oneOfType([PropTypes.string, PropTypes.number]),
+    index: PropTypes.oneOfType([PropTypes.string, PropTypes.number]),
+    listLength: PropTypes.oneOfType([PropTypes.string, PropTypes.number]),
+    children: PropTypes.node,
+  };
+
+  state = {
+    isHidden: false, // set to true in requestIdleCallback to trigger un-render
+  }
+
+  shouldComponentUpdate (nextProps, nextState) {
+    if (!nextState.isIntersecting && nextState.isHidden) {
+      // It's only if we're not intersecting (i.e. offscreen) and isHidden is true
+      // that either "isIntersecting" or "isHidden" matter, and then they're
+      // the only things that matter (and updated ARIA attributes).
+      return this.state.isIntersecting || !this.state.isHidden || nextProps.listLength !== this.props.listLength;
+    } else if (nextState.isIntersecting && !this.state.isIntersecting) {
+      // If we're going from a non-intersecting state to an intersecting state,
+      // (i.e. offscreen to onscreen), then we definitely need to re-render
+      return true;
+    }
+    // Otherwise, diff based on "updateOnProps" and "updateOnStates"
+    return super.shouldComponentUpdate(nextProps, nextState);
+  }
+
+  componentDidMount () {
+    if (!this.props.intersectionObserverWrapper) {
+      // TODO: enable IntersectionObserver optimization for notification statuses.
+      // These are managed in notifications/index.js rather than status_list.js
+      return;
+    }
+    this.props.intersectionObserverWrapper.observe(
+      this.props.id,
+      this.node,
+      this.handleIntersection
+    );
+
+    this.componentMounted = true;
+  }
+
+  componentWillUnmount () {
+    if (this.props.intersectionObserverWrapper) {
+      this.props.intersectionObserverWrapper.unobserve(this.props.id, this.node);
+    }
+
+    this.componentMounted = false;
+  }
+
+  handleIntersection = (entry) => {
+    if (this.node && this.node.children.length !== 0) {
+      // save the height of the fully-rendered element
+      this.height = getRectFromEntry(entry).height;
+
+      if (this.props.onHeightChange) {
+        this.props.onHeightChange(this.props.status, this.height);
+      }
+    }
+
+    this.setState((prevState) => {
+      if (prevState.isIntersecting && !entry.isIntersecting) {
+        scheduleIdleTask(this.hideIfNotIntersecting);
+      }
+      return {
+        isIntersecting: entry.isIntersecting,
+        isHidden: false,
+      };
+    });
+  }
+
+  hideIfNotIntersecting = () => {
+    if (!this.componentMounted) {
+      return;
+    }
+
+    // When the browser gets a chance, test if we're still not intersecting,
+    // and if so, set our isHidden to true to trigger an unrender. The point of
+    // this is to save DOM nodes and avoid using up too much memory.
+    // See: https://github.com/tootsuite/mastodon/issues/2900
+    this.setState((prevState) => ({ isHidden: !prevState.isIntersecting }));
+  }
+
+  handleRef = (node) => {
+    this.node = node;
+  }
+
+  render () {
+    const { children, id, index, listLength } = this.props;
+    const { isIntersecting, isHidden } = this.state;
+
+    if (!isIntersecting && isHidden) {
+      return (
+        <article
+          ref={this.handleRef}
+          aria-posinset={index}
+          aria-setsize={listLength}
+          style={{ height: `${this.height}px`, opacity: 0, overflow: 'hidden' }}
+          data-id={id}
+          tabIndex='0'
+        >
+          {children && React.cloneElement(children, { hidden: true })}
+        </article>
+      );
+    }
+
+    return (
+      <article ref={this.handleRef} aria-posinset={index} aria-setsize={listLength} data-id={id} tabIndex='0'>
+        {children && React.cloneElement(children, { hidden: false })}
+      </article>
+    );
+  }
+
+}
diff --git a/app/javascript/mastodon/components/scrollable_list.js b/app/javascript/mastodon/components/scrollable_list.js
new file mode 100644
index 000000000..1a122dbe5
--- /dev/null
+++ b/app/javascript/mastodon/components/scrollable_list.js
@@ -0,0 +1,179 @@
+import React, { PureComponent } from 'react';
+import { ScrollContainer } from 'react-router-scroll';
+import PropTypes from 'prop-types';
+import IntersectionObserverArticle from './intersection_observer_article';
+import LoadMore from './load_more';
+import IntersectionObserverWrapper from '../features/ui/util/intersection_observer_wrapper';
+import { throttle } from 'lodash';
+
+export default class ScrollableList extends PureComponent {
+
+  static propTypes = {
+    scrollKey: PropTypes.string.isRequired,
+    onScrollToBottom: PropTypes.func,
+    onScrollToTop: PropTypes.func,
+    onScroll: PropTypes.func,
+    trackScroll: PropTypes.bool,
+    shouldUpdateScroll: PropTypes.func,
+    isLoading: PropTypes.bool,
+    hasMore: PropTypes.bool,
+    prepend: PropTypes.node,
+    emptyMessage: PropTypes.node,
+    children: PropTypes.node,
+  };
+
+  static defaultProps = {
+    trackScroll: true,
+  };
+
+  intersectionObserverWrapper = new IntersectionObserverWrapper();
+
+  handleScroll = throttle(() => {
+    if (this.node) {
+      const { scrollTop, scrollHeight, clientHeight } = this.node;
+      const offset = scrollHeight - scrollTop - clientHeight;
+      this._oldScrollPosition = scrollHeight - scrollTop;
+
+      if (400 > offset && this.props.onScrollToBottom && !this.props.isLoading) {
+        this.props.onScrollToBottom();
+      } else if (scrollTop < 100 && this.props.onScrollToTop) {
+        this.props.onScrollToTop();
+      } else if (this.props.onScroll) {
+        this.props.onScroll();
+      }
+    }
+  }, 150, {
+    trailing: true,
+  });
+
+  componentDidMount () {
+    this.attachScrollListener();
+    this.attachIntersectionObserver();
+
+    // Handle initial scroll posiiton
+    this.handleScroll();
+  }
+
+  componentDidUpdate (prevProps) {
+    // Reset the scroll position when a new child comes in in order not to
+    // jerk the scrollbar around if you're already scrolled down the page.
+    if (React.Children.count(prevProps.children) < React.Children.count(this.props.children) && this._oldScrollPosition && this.node.scrollTop > 0) {
+      if (this.getFirstChildKey(prevProps) !== this.getFirstChildKey(this.props)) {
+        const newScrollTop = this.node.scrollHeight - this._oldScrollPosition;
+        if (this.node.scrollTop !== newScrollTop) {
+          this.node.scrollTop = newScrollTop;
+        }
+      } else {
+        this._oldScrollPosition = this.node.scrollHeight - this.node.scrollTop;
+      }
+    }
+  }
+
+  componentWillUnmount () {
+    this.detachScrollListener();
+    this.detachIntersectionObserver();
+  }
+
+  attachIntersectionObserver () {
+    this.intersectionObserverWrapper.connect({
+      root: this.node,
+      rootMargin: '300% 0px',
+    });
+  }
+
+  detachIntersectionObserver () {
+    this.intersectionObserverWrapper.disconnect();
+  }
+
+  attachScrollListener () {
+    this.node.addEventListener('scroll', this.handleScroll);
+  }
+
+  detachScrollListener () {
+    this.node.removeEventListener('scroll', this.handleScroll);
+  }
+
+  getFirstChildKey (props) {
+    const { children } = props;
+    const firstChild = Array.isArray(children) ? children[0] : children;
+    return firstChild && firstChild.key;
+  }
+
+  setRef = (c) => {
+    this.node = c;
+  }
+
+  handleLoadMore = (e) => {
+    e.preventDefault();
+    this.props.onScrollToBottom();
+  }
+
+  handleKeyDown = (e) => {
+    if (['PageDown', 'PageUp'].includes(e.key) || (e.ctrlKey && ['End', 'Home'].includes(e.key))) {
+      const article = (() => {
+        switch (e.key) {
+        case 'PageDown':
+          return e.target.nodeName === 'ARTICLE' && e.target.nextElementSibling;
+        case 'PageUp':
+          return e.target.nodeName === 'ARTICLE' && e.target.previousElementSibling;
+        case 'End':
+          return this.node.querySelector('[role="feed"] > article:last-of-type');
+        case 'Home':
+          return this.node.querySelector('[role="feed"] > article:first-of-type');
+        default:
+          return null;
+        }
+      })();
+
+
+      if (article) {
+        e.preventDefault();
+        article.focus();
+        article.scrollIntoView();
+      }
+    }
+  }
+
+  render () {
+    const { children, scrollKey, trackScroll, shouldUpdateScroll, isLoading, hasMore, prepend, emptyMessage } = this.props;
+    const childrenCount = React.Children.count(children);
+
+    const loadMore     = <LoadMore visible={!isLoading && childrenCount > 0 && hasMore} onClick={this.handleLoadMore} />;
+    let scrollableArea = null;
+
+    if (isLoading || childrenCount > 0 || !emptyMessage) {
+      scrollableArea = (
+        <div className='scrollable' ref={this.setRef}>
+          <div role='feed' className='item-list' onKeyDown={this.handleKeyDown}>
+            {prepend}
+
+            {React.Children.map(this.props.children, (child, index) => (
+              <IntersectionObserverArticle key={child.key} id={child.key} index={index} listLength={childrenCount} intersectionObserverWrapper={this.intersectionObserverWrapper}>
+                {child}
+              </IntersectionObserverArticle>
+            ))}
+
+            {loadMore}
+          </div>
+        </div>
+      );
+    } else {
+      scrollableArea = (
+        <div className='empty-column-indicator' ref={this.setRef}>
+          {emptyMessage}
+        </div>
+      );
+    }
+
+    if (trackScroll) {
+      return (
+        <ScrollContainer scrollKey={scrollKey} shouldUpdateScroll={shouldUpdateScroll}>
+          {scrollableArea}
+        </ScrollContainer>
+      );
+    } else {
+      return scrollableArea;
+    }
+  }
+
+}
diff --git a/app/javascript/mastodon/components/status.js b/app/javascript/mastodon/components/status.js
index 7468957d3..b8617018d 100644
--- a/app/javascript/mastodon/components/status.js
+++ b/app/javascript/mastodon/components/status.js
@@ -12,13 +12,11 @@ import StatusContent from './status_content';
 import StatusActionBar from './status_action_bar';
 import { FormattedMessage } from 'react-intl';
 import ImmutablePureComponent from 'react-immutable-pure-component';
-import scheduleIdleTask from '../features/ui/util/schedule_idle_task';
 import { MediaGallery, VideoPlayer } from '../features/ui/util/async-components';
 
 // We use the component (and not the container) since we do not want
 // to use the progress bar to show download progress
 import Bundle from '../features/ui/components/bundle';
-import getRectFromEntry from '../features/ui/util/get_rect_from_entry';
 
 export default class Status extends ImmutablePureComponent {
 
@@ -29,27 +27,25 @@ export default class Status extends ImmutablePureComponent {
   static propTypes = {
     status: ImmutablePropTypes.map,
     account: ImmutablePropTypes.map,
-    wrapped: PropTypes.bool,
     onReply: PropTypes.func,
     onFavourite: PropTypes.func,
     onReblog: PropTypes.func,
     onDelete: PropTypes.func,
+    onPin: PropTypes.func,
     onOpenMedia: PropTypes.func,
     onOpenVideo: PropTypes.func,
     onBlock: PropTypes.func,
+    onEmbed: PropTypes.func,
     onHeightChange: PropTypes.func,
     me: PropTypes.number,
     boostModal: PropTypes.bool,
     autoPlayGif: PropTypes.bool,
     muted: PropTypes.bool,
-    intersectionObserverWrapper: PropTypes.object,
-    index: PropTypes.oneOfType([PropTypes.string, PropTypes.number]),
-    listLength: PropTypes.oneOfType([PropTypes.string, PropTypes.number]),
+    hidden: PropTypes.bool,
   };
 
   state = {
     isExpanded: false,
-    isHidden: false, // set to true in requestIdleCallback to trigger un-render
   }
 
   // Avoid checking props that are functions (and whose equality will always
@@ -57,91 +53,15 @@ export default class Status extends ImmutablePureComponent {
   updateOnProps = [
     'status',
     'account',
-    'wrapped',
     'me',
     'boostModal',
     'autoPlayGif',
     'muted',
-    'listLength',
+    'hidden',
   ]
 
   updateOnStates = ['isExpanded']
 
-  shouldComponentUpdate (nextProps, nextState) {
-    if (!nextState.isIntersecting && nextState.isHidden) {
-      // It's only if we're not intersecting (i.e. offscreen) and isHidden is true
-      // that either "isIntersecting" or "isHidden" matter, and then they're
-      // the only things that matter (and updated ARIA attributes).
-      return this.state.isIntersecting || !this.state.isHidden || nextProps.listLength !== this.props.listLength;
-    } else if (nextState.isIntersecting && !this.state.isIntersecting) {
-      // If we're going from a non-intersecting state to an intersecting state,
-      // (i.e. offscreen to onscreen), then we definitely need to re-render
-      return true;
-    }
-    // Otherwise, diff based on "updateOnProps" and "updateOnStates"
-    return super.shouldComponentUpdate(nextProps, nextState);
-  }
-
-  componentDidMount () {
-    if (!this.props.intersectionObserverWrapper) {
-      // TODO: enable IntersectionObserver optimization for notification statuses.
-      // These are managed in notifications/index.js rather than status_list.js
-      return;
-    }
-    this.props.intersectionObserverWrapper.observe(
-      this.props.id,
-      this.node,
-      this.handleIntersection
-    );
-
-    this.componentMounted = true;
-  }
-
-  componentWillUnmount () {
-    if (this.props.intersectionObserverWrapper) {
-      this.props.intersectionObserverWrapper.unobserve(this.props.id, this.node);
-    }
-
-    this.componentMounted = false;
-  }
-
-  handleIntersection = (entry) => {
-    if (this.node && this.node.children.length !== 0) {
-      // save the height of the fully-rendered element
-      this.height = getRectFromEntry(entry).height;
-
-      if (this.props.onHeightChange) {
-        this.props.onHeightChange(this.props.status, this.height);
-      }
-    }
-
-    this.setState((prevState) => {
-      if (prevState.isIntersecting && !entry.isIntersecting) {
-        scheduleIdleTask(this.hideIfNotIntersecting);
-      }
-      return {
-        isIntersecting: entry.isIntersecting,
-        isHidden: false,
-      };
-    });
-  }
-
-  hideIfNotIntersecting = () => {
-    if (!this.componentMounted) {
-      return;
-    }
-
-    // When the browser gets a chance, test if we're still not intersecting,
-    // and if so, set our isHidden to true to trigger an unrender. The point of
-    // this is to save DOM nodes and avoid using up too much memory.
-    // See: https://github.com/tootsuite/mastodon/issues/2900
-    this.setState((prevState) => ({ isHidden: !prevState.isIntersecting }));
-  }
-
-  handleRef = (node) => {
-    this.node = node;
-  }
-
   handleClick = () => {
     if (!this.context.router) {
       return;
@@ -175,25 +95,19 @@ export default class Status extends ImmutablePureComponent {
     let media = null;
     let statusAvatar;
 
-    // Exclude intersectionObserverWrapper from `other` variable
-    // because intersection is managed in here.
-    const { status, account, intersectionObserverWrapper, index, listLength, wrapped, ...other } = this.props;
-    const { isExpanded, isIntersecting, isHidden } = this.state;
+    const { status, account, hidden, ...other } = this.props;
+    const { isExpanded } = this.state;
 
     if (status === null) {
       return null;
     }
 
-    const hasIntersectionObserverWrapper = !!this.props.intersectionObserverWrapper;
-    const isHiddenForSure = isIntersecting === false && isHidden;
-    const visibilityUnknownButHeightIsCached = isIntersecting === undefined && status.has('height');
-
-    if (hasIntersectionObserverWrapper && (isHiddenForSure || visibilityUnknownButHeightIsCached)) {
+    if (hidden) {
       return (
-        <article ref={this.handleRef} data-id={status.get('id')} aria-posinset={index} aria-setsize={listLength} tabIndex='0' style={{ height: `${this.height || status.get('height')}px`, opacity: 0, overflow: 'hidden' }}>
+        <div>
           {status.getIn(['account', 'display_name']) || status.getIn(['account', 'username'])}
           {status.get('content')}
-        </article>
+        </div>
       );
     }
 
@@ -201,14 +115,14 @@ export default class Status extends ImmutablePureComponent {
       const display_name_html = { __html: status.getIn(['account', 'display_name_html']) };
 
       return (
-        <article className='status__wrapper' ref={this.handleRef} data-id={status.get('id')} aria-posinset={index} aria-setsize={listLength} tabIndex='0'>
+        <div className='status__wrapper' data-id={status.get('id')} >
           <div className='status__prepend'>
             <div className='status__prepend-icon-wrapper'><i className='fa fa-fw fa-retweet status__prepend-icon' /></div>
             <FormattedMessage id='status.reblogged_by' defaultMessage='{name} boosted' values={{ name: <a onClick={this.handleAccountClick} data-id={status.getIn(['account', 'id'])} href={status.getIn(['account', 'url'])} className='status__display-name muted'><strong dangerouslySetInnerHTML={display_name_html} /></a> }} />
           </div>
 
-          <Status {...other} wrapped status={status.get('reblog')} account={status.get('account')} />
-        </article>
+          <Status {...other} status={status.get('reblog')} account={status.get('account')} />
+        </div>
       );
     }
 
@@ -237,7 +151,7 @@ export default class Status extends ImmutablePureComponent {
     }
 
     return (
-      <article aria-posinset={index} aria-setsize={listLength} className={`status ${this.props.muted ? 'muted' : ''} status-${status.get('visibility')}`} data-id={status.get('id')} tabIndex={wrapped ? null : '0'}  ref={this.handleRef}>
+      <div className={`status ${this.props.muted ? 'muted' : ''} status-${status.get('visibility')}`} data-id={status.get('id')}>
         <div className='status__info'>
           <a href={status.get('url')} className='status__relative-time' target='_blank' rel='noopener'><RelativeTimestamp timestamp={status.get('created_at')} /></a>
 
@@ -255,7 +169,7 @@ export default class Status extends ImmutablePureComponent {
         {media}
 
         <StatusActionBar {...this.props} />
-      </article>
+      </div>
     );
   }
 
diff --git a/app/javascript/mastodon/components/status_action_bar.js b/app/javascript/mastodon/components/status_action_bar.js
index 81c2a4e23..de99f8850 100644
--- a/app/javascript/mastodon/components/status_action_bar.js
+++ b/app/javascript/mastodon/components/status_action_bar.js
@@ -24,6 +24,9 @@ const messages = defineMessages({
   report: { id: 'status.report', defaultMessage: 'Report @{name}' },
   muteConversation: { id: 'status.mute_conversation', defaultMessage: 'Mute conversation' },
   unmuteConversation: { id: 'status.unmute_conversation', defaultMessage: 'Unmute conversation' },
+  pin: { id: 'status.pin', defaultMessage: 'Pin on profile' },
+  unpin: { id: 'status.unpin', defaultMessage: 'Unpin from profile' },
+  embed: { id: 'status.embed', defaultMessage: 'Embed' },
 });
 
 @injectIntl
@@ -43,7 +46,9 @@ export default class StatusActionBar extends ImmutablePureComponent {
     onMute: PropTypes.func,
     onBlock: PropTypes.func,
     onReport: PropTypes.func,
+    onEmbed: PropTypes.func,
     onMuteConversation: PropTypes.func,
+    onPin: PropTypes.func,
     me: PropTypes.number,
     withDismiss: PropTypes.bool,
     intl: PropTypes.object.isRequired,
@@ -80,6 +85,10 @@ export default class StatusActionBar extends ImmutablePureComponent {
     this.props.onDelete(this.props.status);
   }
 
+  handlePinClick = () => {
+    this.props.onPin(this.props.status);
+  }
+
   handleMentionClick = () => {
     this.props.onMention(this.props.status.get('account'), this.context.router.history);
   }
@@ -96,6 +105,10 @@ export default class StatusActionBar extends ImmutablePureComponent {
     this.context.router.history.push(`/statuses/${this.props.status.get('id')}`);
   }
 
+  handleEmbed = () => {
+    this.props.onEmbed(this.props.status);
+  }
+
   handleReport = () => {
     this.props.onReport(this.props.status);
   }
@@ -106,9 +119,10 @@ export default class StatusActionBar extends ImmutablePureComponent {
 
   render () {
     const { status, me, intl, withDismiss } = this.props;
-    const reblogDisabled = status.get('visibility') === 'private' || status.get('visibility') === 'direct';
+
     const mutingConversation = status.get('muted');
-    const anonymousAccess = !me;
+    const anonymousAccess    = !me;
+    const publicStatus       = ['public', 'unlisted'].includes(status.get('visibility'));
 
     let menu = [];
     let reblogIcon = 'retweet';
@@ -116,6 +130,11 @@ export default class StatusActionBar extends ImmutablePureComponent {
     let replyTitle;
 
     menu.push({ text: intl.formatMessage(messages.open), action: this.handleOpen });
+
+    if (publicStatus) {
+      menu.push({ text: intl.formatMessage(messages.embed), action: this.handleEmbed });
+    }
+
     menu.push(null);
 
     if (withDismiss) {
@@ -124,6 +143,10 @@ export default class StatusActionBar extends ImmutablePureComponent {
     }
 
     if (status.getIn(['account', 'id']) === me) {
+      if (publicStatus) {
+        menu.push({ text: intl.formatMessage(status.get('pinned') ? messages.unpin : messages.pin), action: this.handlePinClick });
+      }
+
       menu.push({ text: intl.formatMessage(messages.delete), action: this.handleDeleteClick });
     } else {
       menu.push({ text: intl.formatMessage(messages.mention, { name: status.getIn(['account', 'username']) }), action: this.handleMentionClick });
@@ -154,7 +177,7 @@ export default class StatusActionBar extends ImmutablePureComponent {
     return (
       <div className='status__action-bar'>
         <IconButton className='status__action-bar-button' disabled={anonymousAccess} title={replyTitle} icon={replyIcon} onClick={this.handleReplyClick} />
-        <IconButton className='status__action-bar-button' disabled={anonymousAccess || reblogDisabled} active={status.get('reblogged')} pressed={status.get('reblogged')} title={reblogDisabled ? intl.formatMessage(messages.cannot_reblog) : intl.formatMessage(messages.reblog)} icon={reblogIcon} onClick={this.handleReblogClick} />
+        <IconButton className='status__action-bar-button' disabled={anonymousAccess || !publicStatus} active={status.get('reblogged')} pressed={status.get('reblogged')} title={!publicStatus ? intl.formatMessage(messages.cannot_reblog) : intl.formatMessage(messages.reblog)} icon={reblogIcon} onClick={this.handleReblogClick} />
         <IconButton className='status__action-bar-button star-icon' disabled={anonymousAccess} animate active={status.get('favourited')} pressed={status.get('favourited')} title={intl.formatMessage(messages.favourite)} icon='star' onClick={this.handleFavouriteClick} />
         {shareButton}
 
diff --git a/app/javascript/mastodon/components/status_list.js b/app/javascript/mastodon/components/status_list.js
index 271cf33b7..6bd357754 100644
--- a/app/javascript/mastodon/components/status_list.js
+++ b/app/javascript/mastodon/components/status_list.js
@@ -1,12 +1,10 @@
 import React from 'react';
 import ImmutablePropTypes from 'react-immutable-proptypes';
-import { ScrollContainer } from 'react-router-scroll';
 import PropTypes from 'prop-types';
 import StatusContainer from '../../glitch/components/status/container';
 import LoadMore from './load_more';
 import ImmutablePureComponent from 'react-immutable-pure-component';
-import IntersectionObserverWrapper from '../features/ui/util/intersection_observer_wrapper';
-import { throttle } from 'lodash';
+import ScrollableList from './scrollable_list';
 
 export default class StatusList extends ImmutablePureComponent {
 
@@ -28,145 +26,21 @@ export default class StatusList extends ImmutablePureComponent {
     trackScroll: true,
   };
 
-  intersectionObserverWrapper = new IntersectionObserverWrapper();
-
-  handleScroll = throttle(() => {
-    if (this.node) {
-      const { scrollTop, scrollHeight, clientHeight } = this.node;
-      const offset = scrollHeight - scrollTop - clientHeight;
-      this._oldScrollPosition = scrollHeight - scrollTop;
-
-      if (400 > offset && this.props.onScrollToBottom && !this.props.isLoading) {
-        this.props.onScrollToBottom();
-      } else if (scrollTop < 100 && this.props.onScrollToTop) {
-        this.props.onScrollToTop();
-      } else if (this.props.onScroll) {
-        this.props.onScroll();
-      }
-    }
-  }, 150, {
-    trailing: true,
-  });
-
-  componentDidMount () {
-    this.attachScrollListener();
-    this.attachIntersectionObserver();
-
-    // Handle initial scroll posiiton
-    this.handleScroll();
-  }
-
-  componentDidUpdate (prevProps) {
-    // Reset the scroll position when a new toot comes in in order not to
-    // jerk the scrollbar around if you're already scrolled down the page.
-    if (prevProps.statusIds.size < this.props.statusIds.size && this._oldScrollPosition && this.node.scrollTop > 0) {
-      if (prevProps.statusIds.first() !== this.props.statusIds.first()) {
-        let newScrollTop = this.node.scrollHeight - this._oldScrollPosition;
-        if (this.node.scrollTop !== newScrollTop) {
-          this.node.scrollTop = newScrollTop;
-        }
-      } else {
-        this._oldScrollPosition = this.node.scrollHeight - this.node.scrollTop;
-      }
-    }
-  }
-
-  componentWillUnmount () {
-    this.detachScrollListener();
-    this.detachIntersectionObserver();
-  }
-
-  attachIntersectionObserver () {
-    this.intersectionObserverWrapper.connect({
-      root: this.node,
-      rootMargin: '300% 0px',
-    });
-  }
-
-  detachIntersectionObserver () {
-    this.intersectionObserverWrapper.disconnect();
-  }
-
-  attachScrollListener () {
-    this.node.addEventListener('scroll', this.handleScroll);
-  }
-
-  detachScrollListener () {
-    this.node.removeEventListener('scroll', this.handleScroll);
-  }
-
-  setRef = (c) => {
-    this.node = c;
-  }
-
-  handleLoadMore = (e) => {
-    e.preventDefault();
-    this.props.onScrollToBottom();
-  }
-
-  handleKeyDown = (e) => {
-    if (['PageDown', 'PageUp'].includes(e.key) || (e.ctrlKey && ['End', 'Home'].includes(e.key))) {
-      const article = (() => {
-        switch (e.key) {
-        case 'PageDown':
-          return e.target.nodeName === 'ARTICLE' && e.target.nextElementSibling;
-        case 'PageUp':
-          return e.target.nodeName === 'ARTICLE' && e.target.previousElementSibling;
-        case 'End':
-          return this.node.querySelector('[role="feed"] > article:last-of-type');
-        case 'Home':
-          return this.node.querySelector('[role="feed"] > article:first-of-type');
-        default:
-          return null;
-        }
-      })();
-
-
-      if (article) {
-        e.preventDefault();
-        article.focus();
-        article.scrollIntoView();
-      }
-    }
-  }
-
   render () {
-    const { statusIds, scrollKey, trackScroll, shouldUpdateScroll, isLoading, hasMore, prepend, emptyMessage } = this.props;
-
-    const loadMore     = <LoadMore visible={!isLoading && statusIds.size > 0 && hasMore} onClick={this.handleLoadMore} />;
-    let scrollableArea = null;
-
-    if (isLoading || statusIds.size > 0 || !emptyMessage) {
-      scrollableArea = (
-        <div className='scrollable' ref={this.setRef}>
-          <div role='feed' className='status-list' onKeyDown={this.handleKeyDown}>
-            {prepend}
-
-            {statusIds.map((statusId, index) => {
-              return <StatusContainer key={statusId} id={statusId} index={index} listLength={statusIds.size} intersectionObserverWrapper={this.intersectionObserverWrapper} />;
-            })}
-
-            {loadMore}
-          </div>
-        </div>
-      );
-    } else {
-      scrollableArea = (
-        <div className='empty-column-indicator' ref={this.setRef}>
-          {emptyMessage}
-        </div>
-      );
-    }
-
-    if (trackScroll) {
-      return (
-        <ScrollContainer scrollKey={scrollKey} shouldUpdateScroll={shouldUpdateScroll}>
-          {scrollableArea}
-        </ScrollContainer>
-      );
-    } else {
-      return scrollableArea;
-    }
+    const { statusIds, ...other } = this.props;
+    const { isLoading } = other;
+
+    const scrollableContent = (isLoading || statusIds.size > 0) ? (
+      statusIds.map((statusId) => (
+        <StatusContainer key={statusId} id={statusId} />
+      ))
+    ) : null;
+
+    return (
+      <ScrollableList {...other}>
+        {scrollableContent}
+      </ScrollableList>
+    );
   }
 
 }
diff --git a/app/javascript/mastodon/containers/account_container.js b/app/javascript/mastodon/containers/account_container.js
index ca1efd0e5..7c77cb764 100644
--- a/app/javascript/mastodon/containers/account_container.js
+++ b/app/javascript/mastodon/containers/account_container.js
@@ -32,7 +32,7 @@ const makeMapStateToProps = () => {
 const mapDispatchToProps = (dispatch, { intl }) => ({
 
   onFollow (account) {
-    if (account.getIn(['relationship', 'following'])) {
+    if (account.getIn(['relationship', 'following']) || account.getIn(['relationship', 'requested'])) {
       if (this.unfollowModal) {
         dispatch(openModal('CONFIRM', {
           message: <FormattedMessage id='confirmations.unfollow.message' defaultMessage='Are you sure you want to unfollow {name}?' values={{ name: <strong>@{account.get('acct')}</strong> }} />,
diff --git a/app/javascript/mastodon/containers/compose_container.js b/app/javascript/mastodon/containers/compose_container.js
new file mode 100644
index 000000000..db452d03a
--- /dev/null
+++ b/app/javascript/mastodon/containers/compose_container.js
@@ -0,0 +1,39 @@
+import React from 'react';
+import { Provider } from 'react-redux';
+import PropTypes from 'prop-types';
+import configureStore from '../store/configureStore';
+import { hydrateStore } from '../actions/store';
+import { IntlProvider, addLocaleData } from 'react-intl';
+import { getLocale } from '../locales';
+import Compose from '../features/standalone/compose';
+
+const { localeData, messages } = getLocale();
+addLocaleData(localeData);
+
+const store = configureStore();
+const initialStateContainer = document.getElementById('initial-state');
+
+if (initialStateContainer !== null) {
+  const initialState = JSON.parse(initialStateContainer.textContent);
+  store.dispatch(hydrateStore(initialState));
+}
+
+export default class TimelineContainer extends React.PureComponent {
+
+  static propTypes = {
+    locale: PropTypes.string.isRequired,
+  };
+
+  render () {
+    const { locale } = this.props;
+
+    return (
+      <IntlProvider locale={locale} messages={messages}>
+        <Provider store={store}>
+          <Compose />
+        </Provider>
+      </IntlProvider>
+    );
+  }
+
+}
diff --git a/app/javascript/mastodon/containers/mastodon.js b/app/javascript/mastodon/containers/mastodon.js
index 8287375c4..db2a5f269 100644
--- a/app/javascript/mastodon/containers/mastodon.js
+++ b/app/javascript/mastodon/containers/mastodon.js
@@ -2,21 +2,13 @@ import React from 'react';
 import { Provider } from 'react-redux';
 import PropTypes from 'prop-types';
 import configureStore from '../store/configureStore';
-import {
-  updateTimeline,
-  deleteFromTimelines,
-  refreshHomeTimeline,
-  connectTimeline,
-  disconnectTimeline,
-} from '../actions/timelines';
 import { showOnboardingOnce } from '../actions/onboarding';
-import { updateNotifications, refreshNotifications } from '../actions/notifications';
 import BrowserRouter from 'react-router-dom/BrowserRouter';
 import Route from 'react-router-dom/Route';
 import ScrollContext from 'react-router-scroll/lib/ScrollBehaviorContext';
 import UI from '../features/ui';
 import { hydrateStore } from '../actions/store';
-import createStream from '../stream';
+import { connectUserStream } from '../actions/streaming';
 import { IntlProvider, addLocaleData } from 'react-intl';
 import { getLocale } from '../locales';
 const { localeData, messages } = getLocale();
@@ -39,74 +31,28 @@ export default class Mastodon extends React.PureComponent {
   };
 
   componentDidMount() {
-    const { locale }  = this.props;
-    const streamingAPIBaseURL = store.getState().getIn(['meta', 'streaming_api_base_url']);
-    const accessToken = store.getState().getIn(['meta', 'access_token']);
-
-    const setupPolling = () => {
-      this.polling = setInterval(() => {
-        store.dispatch(refreshHomeTimeline());
-        store.dispatch(refreshNotifications());
-      }, 20000);
-    };
-
-    const clearPolling = () => {
-      clearInterval(this.polling);
-      this.polling = undefined;
-    };
-
-    this.subscription = createStream(streamingAPIBaseURL, accessToken, 'user', {
-
-      connected () {
-        clearPolling();
-        store.dispatch(connectTimeline('home'));
-      },
-
-      disconnected () {
-        setupPolling();
-        store.dispatch(disconnectTimeline('home'));
-      },
-
-      received (data) {
-        switch(data.event) {
-        case 'update':
-          store.dispatch(updateTimeline('home', JSON.parse(data.payload)));
-          break;
-        case 'delete':
-          store.dispatch(deleteFromTimelines(data.payload));
-          break;
-        case 'notification':
-          store.dispatch(updateNotifications(JSON.parse(data.payload), messages, locale));
-          break;
-        }
-      },
-
-      reconnected () {
-        clearPolling();
-        store.dispatch(connectTimeline('home'));
-        store.dispatch(refreshHomeTimeline());
-        store.dispatch(refreshNotifications());
-      },
-
-    });
+    this.disconnect = store.dispatch(connectUserStream());
 
     // Desktop notifications
+    // Ask after 1 minute
     if (typeof window.Notification !== 'undefined' && Notification.permission === 'default') {
-      Notification.requestPermission();
+      window.setTimeout(() => Notification.requestPermission(), 60 * 1000);
+    }
+
+    // Protocol handler
+    // Ask after 5 minutes
+    if (typeof navigator.registerProtocolHandler !== 'undefined') {
+      const handlerUrl = window.location.protocol + '//' + window.location.host + '/intent?uri=%s';
+      window.setTimeout(() => navigator.registerProtocolHandler('web+mastodon', handlerUrl, 'Mastodon'), 5 * 60 * 1000);
     }
 
     store.dispatch(showOnboardingOnce());
   }
 
   componentWillUnmount () {
-    if (typeof this.subscription !== 'undefined') {
-      this.subscription.close();
-      this.subscription = null;
-    }
-
-    if (typeof this.polling !== 'undefined') {
-      clearInterval(this.polling);
-      this.polling = null;
+    if (this.disconnect) {
+      this.disconnect();
+      this.disconnect = null;
     }
   }
 
diff --git a/app/javascript/mastodon/containers/status_container.js b/app/javascript/mastodon/containers/status_container.js
index d71584267..9dff79b72 100644
--- a/app/javascript/mastodon/containers/status_container.js
+++ b/app/javascript/mastodon/containers/status_container.js
@@ -14,6 +14,8 @@ import {
   favourite,
   unreblog,
   unfavourite,
+  pin,
+  unpin,
 } from '../actions/interactions';
 import {
   blockAccount,
@@ -75,6 +77,18 @@ const mapDispatchToProps = (dispatch, { intl }) => ({
     }
   },
 
+  onPin (status) {
+    if (status.get('pinned')) {
+      dispatch(unpin(status));
+    } else {
+      dispatch(pin(status));
+    }
+  },
+
+  onEmbed (status) {
+    dispatch(openModal('EMBED', { url: status.get('url') }));
+  },
+
   onDelete (status) {
     if (!this.deleteModal) {
       dispatch(deleteStatus(status.get('id')));
diff --git a/app/javascript/mastodon/features/account/components/header.js b/app/javascript/mastodon/features/account/components/header.js
index 320e669a2..7ab492225 100644
--- a/app/javascript/mastodon/features/account/components/header.js
+++ b/app/javascript/mastodon/features/account/components/header.js
@@ -14,7 +14,7 @@ import ImmutablePureComponent from 'react-immutable-pure-component';
 const messages = defineMessages({
   unfollow: { id: 'account.unfollow', defaultMessage: 'Unfollow' },
   follow: { id: 'account.follow', defaultMessage: 'Follow' },
-  requested: { id: 'account.requested', defaultMessage: 'Awaiting approval' },
+  requested: { id: 'account.requested', defaultMessage: 'Awaiting approval. Click to cancel follow request' },
 });
 
 const makeMapStateToProps = () => {
@@ -105,7 +105,7 @@ export default class Header extends ImmutablePureComponent {
       if (account.getIn(['relationship', 'requested'])) {
         actionBtn = (
           <div className='account--action-button'>
-            <IconButton size={26} disabled icon='hourglass' title={intl.formatMessage(messages.requested)} />
+            <IconButton size={26} active icon='hourglass' title={intl.formatMessage(messages.requested)} onClick={this.props.onFollow} />
           </div>
         );
       } else if (!account.getIn(['relationship', 'blocking'])) {
diff --git a/app/javascript/mastodon/features/account_timeline/containers/header_container.js b/app/javascript/mastodon/features/account_timeline/containers/header_container.js
index baa81bbc2..dcee78b3e 100644
--- a/app/javascript/mastodon/features/account_timeline/containers/header_container.js
+++ b/app/javascript/mastodon/features/account_timeline/containers/header_container.js
@@ -38,7 +38,7 @@ const makeMapStateToProps = () => {
 const mapDispatchToProps = (dispatch, { intl }) => ({
 
   onFollow (account) {
-    if (account.getIn(['relationship', 'following'])) {
+    if (account.getIn(['relationship', 'following']) || account.getIn(['relationship', 'requested'])) {
       if (this.unfollowModal) {
         dispatch(openModal('CONFIRM', {
           message: <FormattedMessage id='confirmations.unfollow.message' defaultMessage='Are you sure you want to unfollow {name}?' values={{ name: <strong>@{account.get('acct')}</strong> }} />,
diff --git a/app/javascript/mastodon/features/community_timeline/index.js b/app/javascript/mastodon/features/community_timeline/index.js
index 0e2300f8c..596a89412 100644
--- a/app/javascript/mastodon/features/community_timeline/index.js
+++ b/app/javascript/mastodon/features/community_timeline/index.js
@@ -7,15 +7,11 @@ import ColumnHeader from '../../components/column_header';
 import {
   refreshCommunityTimeline,
   expandCommunityTimeline,
-  updateTimeline,
-  deleteFromTimelines,
-  connectTimeline,
-  disconnectTimeline,
 } from '../../actions/timelines';
 import { addColumn, removeColumn, moveColumn } from '../../actions/columns';
 import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
 import ColumnSettingsContainer from './containers/column_settings_container';
-import createStream from '../../stream';
+import { connectCommunityStream } from '../../actions/streaming';
 
 const messages = defineMessages({
   title: { id: 'column.community', defaultMessage: 'Local timeline' },
@@ -23,8 +19,6 @@ const messages = defineMessages({
 
 const mapStateToProps = state => ({
   hasUnread: state.getIn(['timelines', 'community', 'unread']) > 0,
-  streamingAPIBaseURL: state.getIn(['meta', 'streaming_api_base_url']),
-  accessToken: state.getIn(['meta', 'access_token']),
 });
 
 @connect(mapStateToProps)
@@ -35,8 +29,6 @@ export default class CommunityTimeline extends React.PureComponent {
     dispatch: PropTypes.func.isRequired,
     columnId: PropTypes.string,
     intl: PropTypes.object.isRequired,
-    streamingAPIBaseURL: PropTypes.string.isRequired,
-    accessToken: PropTypes.string.isRequired,
     hasUnread: PropTypes.bool,
     multiColumn: PropTypes.bool,
   };
@@ -61,46 +53,16 @@ export default class CommunityTimeline extends React.PureComponent {
   }
 
   componentDidMount () {
-    const { dispatch, streamingAPIBaseURL, accessToken } = this.props;
+    const { dispatch } = this.props;
 
     dispatch(refreshCommunityTimeline());
-
-    if (typeof this._subscription !== 'undefined') {
-      return;
-    }
-
-    this._subscription = createStream(streamingAPIBaseURL, accessToken, 'public:local', {
-
-      connected () {
-        dispatch(connectTimeline('community'));
-      },
-
-      reconnected () {
-        dispatch(connectTimeline('community'));
-      },
-
-      disconnected () {
-        dispatch(disconnectTimeline('community'));
-      },
-
-      received (data) {
-        switch(data.event) {
-        case 'update':
-          dispatch(updateTimeline('community', JSON.parse(data.payload)));
-          break;
-        case 'delete':
-          dispatch(deleteFromTimelines(data.payload));
-          break;
-        }
-      },
-
-    });
+    this.disconnect = dispatch(connectCommunityStream());
   }
 
   componentWillUnmount () {
-    if (typeof this._subscription !== 'undefined') {
-      this._subscription.close();
-      this._subscription = null;
+    if (this.disconnect) {
+      this.disconnect();
+      this.disconnect = null;
     }
   }
 
diff --git a/app/javascript/mastodon/features/favourited_statuses/index.js b/app/javascript/mastodon/features/favourited_statuses/index.js
index d9ad9bc1f..82b16b369 100644
--- a/app/javascript/mastodon/features/favourited_statuses/index.js
+++ b/app/javascript/mastodon/features/favourited_statuses/index.js
@@ -16,6 +16,7 @@ const messages = defineMessages({
 
 const mapStateToProps = state => ({
   statusIds: state.getIn(['status_lists', 'favourites', 'items']),
+  hasMore: !!state.getIn(['status_lists', 'favourites', 'next']),
 });
 
 @connect(mapStateToProps)
@@ -28,6 +29,7 @@ export default class Favourites extends ImmutablePureComponent {
     intl: PropTypes.object.isRequired,
     columnId: PropTypes.string,
     multiColumn: PropTypes.bool,
+    hasMore: PropTypes.bool,
   };
 
   componentWillMount () {
@@ -62,7 +64,7 @@ export default class Favourites extends ImmutablePureComponent {
   }
 
   render () {
-    const { intl, statusIds, columnId, multiColumn } = this.props;
+    const { intl, statusIds, columnId, multiColumn, hasMore } = this.props;
     const pinned = !!columnId;
 
     return (
@@ -81,6 +83,7 @@ export default class Favourites extends ImmutablePureComponent {
           trackScroll={!pinned}
           statusIds={statusIds}
           scrollKey={`favourited_statuses-${columnId}`}
+          hasMore={hasMore}
           onScrollToBottom={this.handleScrollToBottom}
         />
       </Column>
diff --git a/app/javascript/mastodon/features/hashtag_timeline/index.js b/app/javascript/mastodon/features/hashtag_timeline/index.js
index b17e8e1a5..5fe21ce90 100644
--- a/app/javascript/mastodon/features/hashtag_timeline/index.js
+++ b/app/javascript/mastodon/features/hashtag_timeline/index.js
@@ -7,17 +7,13 @@ import ColumnHeader from '../../components/column_header';
 import {
   refreshHashtagTimeline,
   expandHashtagTimeline,
-  updateTimeline,
-  deleteFromTimelines,
 } from '../../actions/timelines';
 import { addColumn, removeColumn, moveColumn } from '../../actions/columns';
 import { FormattedMessage } from 'react-intl';
-import createStream from '../../stream';
+import { connectHashtagStream } from '../../actions/streaming';
 
-const mapStateToProps = state => ({
-  hasUnread: state.getIn(['timelines', 'tag', 'unread']) > 0,
-  streamingAPIBaseURL: state.getIn(['meta', 'streaming_api_base_url']),
-  accessToken: state.getIn(['meta', 'access_token']),
+const mapStateToProps = (state, props) => ({
+  hasUnread: state.getIn(['timelines', `hashtag:${props.params.id}`, 'unread']) > 0,
 });
 
 @connect(mapStateToProps)
@@ -27,8 +23,6 @@ export default class HashtagTimeline extends React.PureComponent {
     params: PropTypes.object.isRequired,
     columnId: PropTypes.string,
     dispatch: PropTypes.func.isRequired,
-    streamingAPIBaseURL: PropTypes.string.isRequired,
-    accessToken: PropTypes.string.isRequired,
     hasUnread: PropTypes.bool,
     multiColumn: PropTypes.bool,
   };
@@ -53,28 +47,13 @@ export default class HashtagTimeline extends React.PureComponent {
   }
 
   _subscribe (dispatch, id) {
-    const { streamingAPIBaseURL, accessToken } = this.props;
-
-    this.subscription = createStream(streamingAPIBaseURL, accessToken, `hashtag&tag=${id}`, {
-
-      received (data) {
-        switch(data.event) {
-        case 'update':
-          dispatch(updateTimeline(`hashtag:${id}`, JSON.parse(data.payload)));
-          break;
-        case 'delete':
-          dispatch(deleteFromTimelines(data.payload));
-          break;
-        }
-      },
-
-    });
+    this.disconnect = dispatch(connectHashtagStream(id));
   }
 
   _unsubscribe () {
-    if (typeof this.subscription !== 'undefined') {
-      this.subscription.close();
-      this.subscription = null;
+    if (this.disconnect) {
+      this.disconnect();
+      this.disconnect = null;
     }
   }
 
diff --git a/app/javascript/mastodon/features/notifications/components/notification.js b/app/javascript/mastodon/features/notifications/components/notification.js
index 7d521e4b6..b52c3c934 100644
--- a/app/javascript/mastodon/features/notifications/components/notification.js
+++ b/app/javascript/mastodon/features/notifications/components/notification.js
@@ -2,6 +2,7 @@
 //  SEE INSTEAD : glitch/components/notification
 
 import React from 'react';
+import PropTypes from 'prop-types';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 import StatusContainer from '../../../containers/status_container';
 import AccountContainer from '../../../containers/account_container';
@@ -13,6 +14,7 @@ export default class Notification extends ImmutablePureComponent {
 
   static propTypes = {
     notification: ImmutablePropTypes.map.isRequired,
+    hidden: PropTypes.bool,
   };
 
   renderFollow (account, link) {
@@ -26,13 +28,13 @@ export default class Notification extends ImmutablePureComponent {
           <FormattedMessage id='notification.follow' defaultMessage='{name} followed you' values={{ name: link }} />
         </div>
 
-        <AccountContainer id={account.get('id')} withNote={false} />
+        <AccountContainer id={account.get('id')} withNote={false} hidden={this.props.hidden} />
       </div>
     );
   }
 
   renderMention (notification) {
-    return <StatusContainer id={notification.get('status')} withDismiss />;
+    return <StatusContainer id={notification.get('status')} withDismiss hidden={this.props.hidden} />;
   }
 
   renderFavourite (notification, link) {
@@ -45,7 +47,7 @@ export default class Notification extends ImmutablePureComponent {
           <FormattedMessage id='notification.favourite' defaultMessage='{name} favourited your status' values={{ name: link }} />
         </div>
 
-        <StatusContainer id={notification.get('status')} account={notification.get('account')} muted withDismiss />
+        <StatusContainer id={notification.get('status')} account={notification.get('account')} muted withDismiss hidden={!!this.props.hidden} />
       </div>
     );
   }
@@ -60,7 +62,7 @@ export default class Notification extends ImmutablePureComponent {
           <FormattedMessage id='notification.reblog' defaultMessage='{name} boosted your status' values={{ name: link }} />
         </div>
 
-        <StatusContainer id={notification.get('status')} account={notification.get('account')} muted withDismiss />
+        <StatusContainer id={notification.get('status')} account={notification.get('account')} muted withDismiss hidden={this.props.hidden} />
       </div>
     );
   }
diff --git a/app/javascript/mastodon/features/notifications/index.js b/app/javascript/mastodon/features/notifications/index.js
index 0d86d41ce..b644718e3 100644
--- a/app/javascript/mastodon/features/notifications/index.js
+++ b/app/javascript/mastodon/features/notifications/index.js
@@ -16,8 +16,8 @@ import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
 import ColumnSettingsContainer from './containers/column_settings_container';
 import { createSelector } from 'reselect';
 import { List as ImmutableList } from 'immutable';
-import LoadMore from '../../components/load_more';
 import { debounce } from 'lodash';
+import ScrollableList from '../../components/scrollable_list';
 
 const messages = defineMessages({
   title: { id: 'column.notifications', defaultMessage: 'Notifications' },
@@ -68,40 +68,18 @@ export default class Notifications extends React.PureComponent {
     trackScroll: true,
   };
 
-  dispatchExpandNotifications = debounce(() => {
+  handleScrollToBottom = debounce(() => {
+    this.props.dispatch(scrollTopNotifications(false));
     this.props.dispatch(expandNotifications());
   }, 300, { leading: true });
 
-  dispatchScrollToTop = debounce((top) => {
-    this.props.dispatch(scrollTopNotifications(top));
+  handleScrollToTop = debounce(() => {
+    this.props.dispatch(scrollTopNotifications(true));
   }, 100);
 
-  handleScroll = (e) => {
-    const { scrollTop, scrollHeight, clientHeight } = e.target;
-    const offset = scrollHeight - scrollTop - clientHeight;
-    this._oldScrollPosition = scrollHeight - scrollTop;
-
-    if (250 > offset && this.props.hasMore && !this.props.isLoading) {
-      this.dispatchExpandNotifications();
-    }
-
-    if (scrollTop < 100) {
-      this.dispatchScrollToTop(true);
-    } else {
-      this.dispatchScrollToTop(false);
-    }
-  }
-
-  componentDidUpdate (prevProps) {
-    if (this.node.scrollTop > 0 && (prevProps.notifications.size < this.props.notifications.size && prevProps.notifications.first() !== this.props.notifications.first() && !!this._oldScrollPosition)) {
-      this.node.scrollTop = this.node.scrollHeight - this._oldScrollPosition;
-    }
-  }
-
-  handleLoadMore = (e) => {
-    e.preventDefault();
-    this.dispatchExpandNotifications();
-  }
+  handleScroll = debounce(() => {
+    this.props.dispatch(scrollTopNotifications(false));
+  }, 100);
 
   handlePin = () => {
     const { columnId, dispatch } = this.props;
@@ -122,10 +100,6 @@ export default class Notifications extends React.PureComponent {
     this.column.scrollTop();
   }
 
-  setRef = (c) => {
-    this.node = c;
-  }
-
   setColumnRef = c => {
     this.column = c;
   }
@@ -133,52 +107,34 @@ export default class Notifications extends React.PureComponent {
   render () {
     const { intl, notifications, shouldUpdateScroll, isLoading, isUnread, columnId, multiColumn, hasMore } = this.props;
     const pinned = !!columnId;
+    const emptyMessage = <FormattedMessage id='empty_column.notifications' defaultMessage="You don't have any notifications yet. Interact with others to start the conversation." />;
 
-    let loadMore       = '';
-    let scrollableArea = '';
-    let unread         = '';
-    let scrollContainer = '';
-
-    if (!isLoading && hasMore) {
-      loadMore = <LoadMore onClick={this.handleLoadMore} />;
-    }
-
-    if (isUnread) {
-      unread = <div className='notifications__unread-indicator' />;
-    }
+    let scrollableContent = null;
 
-    if (isLoading && this.scrollableArea) {
-      scrollableArea = this.scrollableArea;
+    if (isLoading && this.scrollableContent) {
+      scrollableContent = this.scrollableContent;
     } else if (notifications.size > 0 || hasMore) {
-      scrollableArea = (
-        <div className='scrollable' onScroll={this.handleScroll} ref={this.setRef}>
-          {unread}
-
-          <div>
-            {notifications.map(item => <NotificationContainer key={item.get('id')} notification={item} accountId={item.get('account')} />)}
-            {loadMore}
-          </div>
-        </div>
-      );
+      scrollableContent = notifications.map((item) => <NotificationContainer key={item.get('id')} notification={item} accountId={item.get('account')} />);
     } else {
-      scrollableArea = (
-        <div className='empty-column-indicator' ref={this.setRef}>
-          <FormattedMessage id='empty_column.notifications' defaultMessage="You don't have any notifications yet. Interact with others to start the conversation." />
-        </div>
-      );
+      scrollableContent = null;
     }
 
-    if (pinned) {
-      scrollContainer = scrollableArea;
-    } else {
-      scrollContainer = (
-        <ScrollContainer scrollKey={`notifications-${columnId}`} shouldUpdateScroll={shouldUpdateScroll}>
-          {scrollableArea}
-        </ScrollContainer>
-      );
-    }
-
-    this.scrollableArea = scrollableArea;
+    this.scrollableContent = scrollableContent;
+
+    const scrollContainer = (
+      <ScrollableList
+        scrollKey={`notifications-${columnId}`}
+        isLoading={isLoading}
+        hasMore={hasMore}
+        emptyMessage={emptyMessage}
+        onScrollToBottom={this.handleScrollToBottom}
+        onScrollToTop={this.handleScrollToTop}
+        onScroll={this.handleScroll}
+        shouldUpdateScroll={shouldUpdateScroll}
+      >
+        {scrollableContent}
+      </ScrollableList>
+    );
 
     return (
       <Column
diff --git a/app/javascript/mastodon/features/public_timeline/index.js b/app/javascript/mastodon/features/public_timeline/index.js
index c6cad02d6..193489c63 100644
--- a/app/javascript/mastodon/features/public_timeline/index.js
+++ b/app/javascript/mastodon/features/public_timeline/index.js
@@ -7,15 +7,11 @@ import ColumnHeader from '../../components/column_header';
 import {
   refreshPublicTimeline,
   expandPublicTimeline,
-  updateTimeline,
-  deleteFromTimelines,
-  connectTimeline,
-  disconnectTimeline,
 } from '../../actions/timelines';
 import { addColumn, removeColumn, moveColumn } from '../../actions/columns';
 import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
 import ColumnSettingsContainer from './containers/column_settings_container';
-import createStream from '../../stream';
+import { connectPublicStream } from '../../actions/streaming';
 
 const messages = defineMessages({
   title: { id: 'column.public', defaultMessage: 'Federated timeline' },
@@ -23,8 +19,6 @@ const messages = defineMessages({
 
 const mapStateToProps = state => ({
   hasUnread: state.getIn(['timelines', 'public', 'unread']) > 0,
-  streamingAPIBaseURL: state.getIn(['meta', 'streaming_api_base_url']),
-  accessToken: state.getIn(['meta', 'access_token']),
 });
 
 @connect(mapStateToProps)
@@ -36,8 +30,6 @@ export default class PublicTimeline extends React.PureComponent {
     intl: PropTypes.object.isRequired,
     columnId: PropTypes.string,
     multiColumn: PropTypes.bool,
-    streamingAPIBaseURL: PropTypes.string.isRequired,
-    accessToken: PropTypes.string.isRequired,
     hasUnread: PropTypes.bool,
   };
 
@@ -61,46 +53,16 @@ export default class PublicTimeline extends React.PureComponent {
   }
 
   componentDidMount () {
-    const { dispatch, streamingAPIBaseURL, accessToken } = this.props;
+    const { dispatch } = this.props;
 
     dispatch(refreshPublicTimeline());
-
-    if (typeof this._subscription !== 'undefined') {
-      return;
-    }
-
-    this._subscription = createStream(streamingAPIBaseURL, accessToken, 'public', {
-
-      connected () {
-        dispatch(connectTimeline('public'));
-      },
-
-      reconnected () {
-        dispatch(connectTimeline('public'));
-      },
-
-      disconnected () {
-        dispatch(disconnectTimeline('public'));
-      },
-
-      received (data) {
-        switch(data.event) {
-        case 'update':
-          dispatch(updateTimeline('public', JSON.parse(data.payload)));
-          break;
-        case 'delete':
-          dispatch(deleteFromTimelines(data.payload));
-          break;
-        }
-      },
-
-    });
+    this.disconnect = dispatch(connectPublicStream());
   }
 
   componentWillUnmount () {
-    if (typeof this._subscription !== 'undefined') {
-      this._subscription.close();
-      this._subscription = null;
+    if (this.disconnect) {
+      this.disconnect();
+      this.disconnect = null;
     }
   }
 
diff --git a/app/javascript/mastodon/features/standalone/compose/index.js b/app/javascript/mastodon/features/standalone/compose/index.js
new file mode 100644
index 000000000..96d07fefb
--- /dev/null
+++ b/app/javascript/mastodon/features/standalone/compose/index.js
@@ -0,0 +1,18 @@
+import React from 'react';
+import ComposeFormContainer from '../../compose/containers/compose_form_container';
+import NotificationsContainer from '../../ui/containers/notifications_container';
+import LoadingBarContainer from '../../ui/containers/loading_bar_container';
+
+export default class Compose extends React.PureComponent {
+
+  render () {
+    return (
+      <div>
+        <ComposeFormContainer />
+        <NotificationsContainer />
+        <LoadingBarContainer className='loading-bar' />
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/mastodon/features/status/components/action_bar.js b/app/javascript/mastodon/features/status/components/action_bar.js
index a2885adda..4be013be7 100644
--- a/app/javascript/mastodon/features/status/components/action_bar.js
+++ b/app/javascript/mastodon/features/status/components/action_bar.js
@@ -14,6 +14,9 @@ const messages = defineMessages({
   favourite: { id: 'status.favourite', defaultMessage: 'Favourite' },
   report: { id: 'status.report', defaultMessage: 'Report @{name}' },
   share: { id: 'status.share', defaultMessage: 'Share' },
+  pin: { id: 'status.pin', defaultMessage: 'Pin on profile' },
+  unpin: { id: 'status.unpin', defaultMessage: 'Unpin from profile' },
+  embed: { id: 'status.embed', defaultMessage: 'Embed' },
 });
 
 @injectIntl
@@ -31,6 +34,8 @@ export default class ActionBar extends React.PureComponent {
     onDelete: PropTypes.func.isRequired,
     onMention: PropTypes.func.isRequired,
     onReport: PropTypes.func,
+    onPin: PropTypes.func,
+    onEmbed: PropTypes.func,
     me: PropTypes.number.isRequired,
     intl: PropTypes.object.isRequired,
   };
@@ -59,6 +64,10 @@ export default class ActionBar extends React.PureComponent {
     this.props.onReport(this.props.status);
   }
 
+  handlePinClick = () => {
+    this.props.onPin(this.props.status);
+  }
+
   handleShare = () => {
     navigator.share({
       text: this.props.status.get('search_index'),
@@ -66,12 +75,26 @@ export default class ActionBar extends React.PureComponent {
     });
   }
 
+  handleEmbed = () => {
+    this.props.onEmbed(this.props.status);
+  }
+
   render () {
     const { status, me, intl } = this.props;
 
+    const publicStatus = ['public', 'unlisted'].includes(status.get('visibility'));
+
     let menu = [];
 
+    if (publicStatus) {
+      menu.push({ text: intl.formatMessage(messages.embed), action: this.handleEmbed });
+    }
+
     if (me === status.getIn(['account', 'id'])) {
+      if (publicStatus) {
+        menu.push({ text: intl.formatMessage(status.get('pinned') ? messages.unpin : messages.pin), action: this.handlePinClick });
+      }
+
       menu.push({ text: intl.formatMessage(messages.delete), action: this.handleDeleteClick });
     } else {
       menu.push({ text: intl.formatMessage(messages.mention, { name: status.getIn(['account', 'username']) }), action: this.handleMentionClick });
diff --git a/app/javascript/mastodon/features/status/components/card.js b/app/javascript/mastodon/features/status/components/card.js
index bfb40468b..6b13e15cc 100644
--- a/app/javascript/mastodon/features/status/components/card.js
+++ b/app/javascript/mastodon/features/status/components/card.js
@@ -1,6 +1,7 @@
 import React from 'react';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 import punycode from 'punycode';
+import classnames from 'classnames';
 
 const IDNA_PREFIX = 'xn--';
 
@@ -32,7 +33,7 @@ export default class Card extends React.PureComponent {
     if (card.get('image')) {
       image = (
         <div className='status-card__image'>
-          <img src={card.get('image')} alt={card.get('title')} className='status-card__image-image' />
+          <img src={card.get('image')} alt={card.get('title')} className='status-card__image-image' width={card.get('width')} height={card.get('height')} />
         </div>
       );
     }
@@ -41,8 +42,12 @@ export default class Card extends React.PureComponent {
       provider = decodeIDNA(getHostname(card.get('url')));
     }
 
+    const className = classnames('status-card', {
+      'horizontal': card.get('width') > card.get('height'),
+    });
+
     return (
-      <a href={card.get('url')} className='status-card' target='_blank' rel='noopener'>
+      <a href={card.get('url')} className={className} target='_blank' rel='noopener'>
         {image}
 
         <div className='status-card__content'>
diff --git a/app/javascript/mastodon/features/status/index.js b/app/javascript/mastodon/features/status/index.js
index d774dfdfe..03010cf0a 100644
--- a/app/javascript/mastodon/features/status/index.js
+++ b/app/javascript/mastodon/features/status/index.js
@@ -12,6 +12,8 @@ import {
   unfavourite,
   reblog,
   unreblog,
+  pin,
+  unpin,
 } from '../../actions/interactions';
 import {
   replyCompose,
@@ -89,6 +91,14 @@ export default class Status extends ImmutablePureComponent {
     }
   }
 
+  handlePin = (status) => {
+    if (status.get('pinned')) {
+      this.props.dispatch(unpin(status));
+    } else {
+      this.props.dispatch(pin(status));
+    }
+  }
+
   handleReplyClick = (status) => {
     this.props.dispatch(replyCompose(status, this.context.router.history));
   }
@@ -139,6 +149,10 @@ export default class Status extends ImmutablePureComponent {
     this.props.dispatch(initReport(status.get('account'), status));
   }
 
+  handleEmbed = (status) => {
+    this.props.dispatch(openModal('EMBED', { url: status.get('url') }));
+  }
+
   renderChildren (list) {
     return list.map(id => <StatusContainer key={id} id={id} />);
   }
@@ -190,6 +204,8 @@ export default class Status extends ImmutablePureComponent {
               onDelete={this.handleDeleteClick}
               onMention={this.handleMentionClick}
               onReport={this.handleReport}
+              onPin={this.handlePin}
+              onEmbed={this.handleEmbed}
             />
 
             {descendants}
diff --git a/app/javascript/mastodon/features/ui/components/column.js b/app/javascript/mastodon/features/ui/components/column.js
index 9031c16fc..15538ea38 100644
--- a/app/javascript/mastodon/features/ui/components/column.js
+++ b/app/javascript/mastodon/features/ui/components/column.js
@@ -25,6 +25,17 @@ export default class Column extends React.PureComponent {
     this._interruptScrollAnimation = scrollTop(scrollable);
   }
 
+  scrollTop () {
+    const scrollable = this.node.querySelector('.scrollable');
+
+    if (!scrollable) {
+      return;
+    }
+
+    this._interruptScrollAnimation = scrollTop(scrollable);
+  }
+
+
   handleScroll = debounce(() => {
     if (typeof this._interruptScrollAnimation !== 'undefined') {
       this._interruptScrollAnimation();
diff --git a/app/javascript/mastodon/features/ui/components/columns_area.js b/app/javascript/mastodon/features/ui/components/columns_area.js
index 47d5a2e20..7d84bece7 100644
--- a/app/javascript/mastodon/features/ui/components/columns_area.js
+++ b/app/javascript/mastodon/features/ui/components/columns_area.js
@@ -12,6 +12,7 @@ import ColumnLoading from './column_loading';
 import BundleColumnError from './bundle_column_error';
 import { Compose, Notifications, HomeTimeline, CommunityTimeline, PublicTimeline, HashtagTimeline, FavouritedStatuses } from '../../ui/util/async-components';
 
+import detectPassiveEvents from 'detect-passive-events';
 import { scrollRight } from '../../../scroll';
 
 const componentMap = {
@@ -24,7 +25,7 @@ const componentMap = {
   'FAVOURITES': FavouritedStatuses,
 };
 
-@injectIntl
+@component => injectIntl(component, { withRef: true })
 export default class ColumnsArea extends ImmutablePureComponent {
 
   static contextTypes = {
@@ -47,16 +48,36 @@ export default class ColumnsArea extends ImmutablePureComponent {
   }
 
   componentDidMount() {
+    if (!this.props.singleColumn) {
+      this.node.addEventListener('wheel', this.handleWheel,  detectPassiveEvents.hasSupport ? { passive: true } : false);
+    }
     this.lastIndex = getIndex(this.context.router.history.location.pathname);
     this.setState({ shouldAnimate: true });
   }
 
+  componentWillUpdate(nextProps) {
+    if (this.props.singleColumn !== nextProps.singleColumn && nextProps.singleColumn) {
+      this.node.removeEventListener('wheel', this.handleWheel);
+    }
+  }
+
   componentDidUpdate(prevProps) {
+    if (this.props.singleColumn !== prevProps.singleColumn && !this.props.singleColumn) {
+      this.node.addEventListener('wheel', this.handleWheel,  detectPassiveEvents.hasSupport ? { passive: true } : false);
+    }
     this.lastIndex = getIndex(this.context.router.history.location.pathname);
     this.setState({ shouldAnimate: true });
+  }
 
-    if (this.props.children !== prevProps.children && !this.props.singleColumn) {
-      scrollRight(this.node);
+  componentWillUnmount () {
+    if (!this.props.singleColumn) {
+      this.node.removeEventListener('wheel', this.handleWheel);
+    }
+  }
+
+  handleChildrenContentChange() {
+    if (!this.props.singleColumn) {
+      scrollRight(this.node, this.node.scrollWidth - window.innerWidth);
     }
   }
 
@@ -80,6 +101,14 @@ export default class ColumnsArea extends ImmutablePureComponent {
     }
   }
 
+  handleWheel = () => {
+    if (typeof this._interruptScrollAnimation !== 'function') {
+      return;
+    }
+
+    this._interruptScrollAnimation();
+  }
+
   setRef = (node) => {
     this.node = node;
   }
diff --git a/app/javascript/mastodon/features/ui/components/embed_modal.js b/app/javascript/mastodon/features/ui/components/embed_modal.js
new file mode 100644
index 000000000..992aed8a3
--- /dev/null
+++ b/app/javascript/mastodon/features/ui/components/embed_modal.js
@@ -0,0 +1,84 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import ImmutablePureComponent from 'react-immutable-pure-component';
+import { FormattedMessage, injectIntl } from 'react-intl';
+import axios from 'axios';
+
+@injectIntl
+export default class EmbedModal extends ImmutablePureComponent {
+
+  static propTypes = {
+    url: PropTypes.string.isRequired,
+    onClose: PropTypes.func.isRequired,
+    intl: PropTypes.object.isRequired,
+  }
+
+  state = {
+    loading: false,
+    oembed: null,
+  };
+
+  componentDidMount () {
+    const { url } = this.props;
+
+    this.setState({ loading: true });
+
+    axios.post('/api/web/embed', { url }).then(res => {
+      this.setState({ loading: false, oembed: res.data });
+
+      const iframeDocument = this.iframe.contentWindow.document;
+
+      iframeDocument.open();
+      iframeDocument.write(res.data.html);
+      iframeDocument.close();
+
+      iframeDocument.body.style.margin = 0;
+      this.iframe.height = iframeDocument.body.scrollHeight + 'px';
+    });
+  }
+
+  setIframeRef = c =>  {
+    this.iframe = c;
+  }
+
+  handleTextareaClick = (e) => {
+    e.target.select();
+  }
+
+  render () {
+    const { oembed } = this.state;
+
+    return (
+      <div className='modal-root__modal embed-modal'>
+        <h4><FormattedMessage id='status.embed' defaultMessage='Embed' /></h4>
+
+        <div className='embed-modal__container'>
+          <p className='hint'>
+            <FormattedMessage id='embed.instructions' defaultMessage='Embed this status on your website by copying the code below.' />
+          </p>
+
+          <input
+            type='text'
+            className='embed-modal__html'
+            readOnly
+            value={oembed && oembed.html || ''}
+            onClick={this.handleTextareaClick}
+          />
+
+          <p className='hint'>
+            <FormattedMessage id='embed.preview' defaultMessage='Here is what it will look like:' />
+          </p>
+
+          <iframe
+            className='embed-modal__iframe'
+            scrolling='no'
+            frameBorder='0'
+            ref={this.setIframeRef}
+            title='preview'
+          />
+        </div>
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/mastodon/features/ui/components/modal_root.js b/app/javascript/mastodon/features/ui/components/modal_root.js
index d316ff433..cd605d7b2 100644
--- a/app/javascript/mastodon/features/ui/components/modal_root.js
+++ b/app/javascript/mastodon/features/ui/components/modal_root.js
@@ -14,6 +14,7 @@ import {
   ConfirmationModal,
   ReportModal,
   SettingsModal,
+  EmbedModal,
 } from '../../../features/ui/util/async-components';
 
 const MODAL_COMPONENTS = {
@@ -25,6 +26,7 @@ const MODAL_COMPONENTS = {
   'REPORT': ReportModal,
   'SETTINGS': SettingsModal,
   'ACTIONS': () => Promise.resolve({ default: ActionsModal }),
+  'EMBED': EmbedModal,
 };
 
 export default class ModalRoot extends React.PureComponent {
diff --git a/app/javascript/mastodon/features/ui/components/onboarding_modal.js b/app/javascript/mastodon/features/ui/components/onboarding_modal.js
index 0c872f40d..2facf9c44 100644
--- a/app/javascript/mastodon/features/ui/components/onboarding_modal.js
+++ b/app/javascript/mastodon/features/ui/components/onboarding_modal.js
@@ -30,7 +30,7 @@ const PageOne = ({ acct, domain }) => (
     <div>
       <h1><FormattedMessage id='onboarding.page_one.welcome' defaultMessage='Welcome to {domain}!' values={{ domain }} /></h1>
       <p><FormattedMessage id='onboarding.page_one.federation' defaultMessage='{domain} is an "instance" of Mastodon. Mastodon is a network of independent servers joining up to make one larger social network. We call these servers instances.' values={{ domain }} /></p>
-      <p><FormattedMessage id='onboarding.page_one.handle' defaultMessage='You are on {domain}, so your full handle is {handle}' values={{ domain, handle: <strong>{acct}@{domain}</strong> }} /></p>
+      <p><FormattedMessage id='onboarding.page_one.handle' defaultMessage='You are on {domain}, so your full handle is {handle}' values={{ domain, handle: <strong>@{acct}@{domain}</strong> }} /></p>
     </div>
   </div>
 );
diff --git a/app/javascript/mastodon/features/ui/containers/columns_area_container.js b/app/javascript/mastodon/features/ui/containers/columns_area_container.js
index 6420f0784..95f95618b 100644
--- a/app/javascript/mastodon/features/ui/containers/columns_area_container.js
+++ b/app/javascript/mastodon/features/ui/containers/columns_area_container.js
@@ -5,4 +5,4 @@ const mapStateToProps = state => ({
   columns: state.getIn(['settings', 'columns']),
 });
 
-export default connect(mapStateToProps)(ColumnsArea);
+export default connect(mapStateToProps, null, null, { withRef: true })(ColumnsArea);
diff --git a/app/javascript/mastodon/features/ui/index.js b/app/javascript/mastodon/features/ui/index.js
index 6d53f474d..883466602 100644
--- a/app/javascript/mastodon/features/ui/index.js
+++ b/app/javascript/mastodon/features/ui/index.js
@@ -1,12 +1,11 @@
 import React from 'react';
-import classNames from 'classnames';
-import Redirect from 'react-router-dom/Redirect';
 import NotificationsContainer from './containers/notifications_container';
 import PropTypes from 'prop-types';
 import LoadingBarContainer from './containers/loading_bar_container';
 import TabsBar from './components/tabs_bar';
 import ModalContainer from './containers/modal_container';
 import { connect } from 'react-redux';
+import { Redirect, withRouter } from 'react-router-dom';
 import { isMobile } from '../../is_mobile';
 import { debounce } from 'lodash';
 import { uploadCompose } from '../../actions/compose';
@@ -51,6 +50,7 @@ const mapStateToProps = state => ({
 });
 
 @connect(mapStateToProps)
+@withRouter
 export default class UI extends React.PureComponent {
 
   static contextTypes = {
@@ -65,6 +65,7 @@ export default class UI extends React.PureComponent {
     systemFontUi: PropTypes.bool,
     navbarUnder: PropTypes.bool,
     isComposing: PropTypes.bool,
+    location: PropTypes.object,
   };
 
   state = {
@@ -141,7 +142,7 @@ export default class UI extends React.PureComponent {
     if (data.type === 'navigate') {
       this.context.router.history.push(data.path);
     } else {
-      console.warn('Unknown message type:', data.type); // eslint-disable-line no-console
+      console.warn('Unknown message type:', data.type);
     }
   }
 
@@ -175,6 +176,12 @@ export default class UI extends React.PureComponent {
     return true;
   }
 
+  componentDidUpdate (prevProps) {
+    if (![this.props.location.pathname, '/'].includes(prevProps.location.pathname)) {
+      this.columnsAreaNode.handleChildrenContentChange();
+    }
+  }
+
   componentWillUnmount () {
     window.removeEventListener('resize', this.handleResize);
     document.removeEventListener('dragenter', this.handleDragEnter);
@@ -188,6 +195,10 @@ export default class UI extends React.PureComponent {
     this.node = c;
   }
 
+  setColumnsAreaRef = (c) => {
+    this.columnsAreaNode = c.getWrappedInstance().getWrappedInstance();
+  }
+
   render () {
     const { width, draggingOver } = this.state;
     const { children, layout, isWide, navbarUnder } = this.props;
@@ -212,7 +223,7 @@ export default class UI extends React.PureComponent {
     return (
       <div className={className} ref={this.setRef}>
         {navbarUnder ? null : (<TabsBar />)}
-        <ColumnsAreaContainer singleColumn={isMobile(width, layout)}>
+        <ColumnsAreaContainer ref={this.setColumnsAreaRef} singleColumn={isMobile(width, layout)}>
           <WrappedSwitch>
             <Redirect from='/' to='/getting-started' exact />
             <WrappedRoute path='/getting-started' component={GettingStarted} content={children} />
diff --git a/app/javascript/mastodon/features/ui/util/async-components.js b/app/javascript/mastodon/features/ui/util/async-components.js
index 9267519dd..108ffc142 100644
--- a/app/javascript/mastodon/features/ui/util/async-components.js
+++ b/app/javascript/mastodon/features/ui/util/async-components.js
@@ -116,3 +116,7 @@ export function MediaGallery () {
 export function VideoPlayer () {
   return import(/* webpackChunkName: "status/video_player" */'../../../components/video_player');
 }
+
+export function EmbedModal () {
+  return import(/* webpackChunkName: "modals/embed_modal" */'../components/embed_modal');
+}
diff --git a/app/javascript/mastodon/locales/ar.json b/app/javascript/mastodon/locales/ar.json
index f5cf77f92..2ceb6eb9a 100644
--- a/app/javascript/mastodon/locales/ar.json
+++ b/app/javascript/mastodon/locales/ar.json
@@ -47,7 +47,7 @@
   "compose_form.lock_disclaimer.lock": "مقفل",
   "compose_form.placeholder": "فيمَ تفكّر؟",
   "compose_form.privacy_disclaimer": "Your private status will be delivered to mentioned users on {domains}. Do you trust {domainsCount, plural, one {that server} other {those servers}}? Post privacy only works on Mastodon instances. If {domains} {domainsCount, plural, one {is not a Mastodon instance} other {are not Mastodon instances}}, there will be no indication that your post is private, and it may be boosted or otherwise made visible to unintended recipients.",
-  "compose_form.publish": "بوّق !",
+  "compose_form.publish": "بوّق",
   "compose_form.publish_loud": "{publish}!",
   "compose_form.sensitive": "ضع علامة على الوسيط باعتباره حسّاس",
   "compose_form.spoiler": "أخفِ النص واعرض تحذيرا",
@@ -63,6 +63,8 @@
   "confirmations.mute.message": "هل أنت متأكد أنك تريد كتم {name} ؟",
   "confirmations.unfollow.confirm": "Unfollow",
   "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
+  "embed.instructions": "Embed this status on your website by copying the code below.",
+  "embed.preview": "Here is what it will look like:",
   "emoji_button.activity": "الأنشطة",
   "emoji_button.flags": "الأعلام",
   "emoji_button.food": "الطعام والشراب",
@@ -162,12 +164,14 @@
   "standalone.public_title": "A look inside...",
   "status.cannot_reblog": "تعذرت ترقية هذا المنشور",
   "status.delete": "إحذف",
+  "status.embed": "Embed",
   "status.favourite": "أضف إلى المفضلة",
   "status.load_more": "حمّل المزيد",
   "status.media_hidden": "الصورة مستترة",
   "status.mention": "أذكُر @{name}",
   "status.mute_conversation": "Mute conversation",
   "status.open": "وسع هذه المشاركة",
+  "status.pin": "Pin on profile",
   "status.reblog": "رَقِّي",
   "status.reblogged_by": "{name} رقى",
   "status.reply": "ردّ",
@@ -179,6 +183,7 @@
   "status.show_less": "إعرض أقلّ",
   "status.show_more": "أظهر المزيد",
   "status.unmute_conversation": "Unmute conversation",
+  "status.unpin": "Unpin from profile",
   "tabs_bar.compose": "تحرير",
   "tabs_bar.federated_timeline": "الموحَّد",
   "tabs_bar.home": "الرئيسية",
diff --git a/app/javascript/mastodon/locales/bg.json b/app/javascript/mastodon/locales/bg.json
index e6788f9eb..183ba2673 100644
--- a/app/javascript/mastodon/locales/bg.json
+++ b/app/javascript/mastodon/locales/bg.json
@@ -63,6 +63,8 @@
   "confirmations.mute.message": "Are you sure you want to mute {name}?",
   "confirmations.unfollow.confirm": "Unfollow",
   "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
+  "embed.instructions": "Embed this status on your website by copying the code below.",
+  "embed.preview": "Here is what it will look like:",
   "emoji_button.activity": "Activity",
   "emoji_button.flags": "Flags",
   "emoji_button.food": "Food & Drink",
@@ -162,12 +164,14 @@
   "standalone.public_title": "A look inside...",
   "status.cannot_reblog": "This post cannot be boosted",
   "status.delete": "Изтриване",
+  "status.embed": "Embed",
   "status.favourite": "Предпочитани",
   "status.load_more": "Load more",
   "status.media_hidden": "Media hidden",
   "status.mention": "Споменаване",
   "status.mute_conversation": "Mute conversation",
   "status.open": "Expand this status",
+  "status.pin": "Pin on profile",
   "status.reblog": "Споделяне",
   "status.reblogged_by": "{name} сподели",
   "status.reply": "Отговор",
@@ -179,6 +183,7 @@
   "status.show_less": "Show less",
   "status.show_more": "Show more",
   "status.unmute_conversation": "Unmute conversation",
+  "status.unpin": "Unpin from profile",
   "tabs_bar.compose": "Съставяне",
   "tabs_bar.federated_timeline": "Federated",
   "tabs_bar.home": "Начало",
diff --git a/app/javascript/mastodon/locales/ca.json b/app/javascript/mastodon/locales/ca.json
index 95b3c60bf..0e3d2bc18 100644
--- a/app/javascript/mastodon/locales/ca.json
+++ b/app/javascript/mastodon/locales/ca.json
@@ -63,6 +63,8 @@
   "confirmations.mute.message": "Estàs segur que vols silenciar {name}?",
   "confirmations.unfollow.confirm": "Unfollow",
   "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
+  "embed.instructions": "Embed this status on your website by copying the code below.",
+  "embed.preview": "Here is what it will look like:",
   "emoji_button.activity": "Activitat",
   "emoji_button.flags": "Flags",
   "emoji_button.food": "Menjar i Beure",
@@ -162,12 +164,14 @@
   "standalone.public_title": "A look inside...",
   "status.cannot_reblog": "Aquesta publicació no pot ser retootejada",
   "status.delete": "Esborrar",
+  "status.embed": "Embed",
   "status.favourite": "Favorit",
   "status.load_more": "Carrega més",
   "status.media_hidden": "Multimèdia amagat",
   "status.mention": "Esmentar @{name}",
   "status.mute_conversation": "Silenciar conversació",
   "status.open": "Ampliar aquest estat",
+  "status.pin": "Pin on profile",
   "status.reblog": "Boost",
   "status.reblogged_by": "{name} ha retootejat",
   "status.reply": "Respondre",
@@ -179,6 +183,7 @@
   "status.show_less": "Mostra menys",
   "status.show_more": "Mostra més",
   "status.unmute_conversation": "Activar conversació",
+  "status.unpin": "Unpin from profile",
   "tabs_bar.compose": "Compondre",
   "tabs_bar.federated_timeline": "Federada",
   "tabs_bar.home": "Inici",
diff --git a/app/javascript/mastodon/locales/de.json b/app/javascript/mastodon/locales/de.json
index 67a99b765..38324e156 100644
--- a/app/javascript/mastodon/locales/de.json
+++ b/app/javascript/mastodon/locales/de.json
@@ -1,31 +1,31 @@
 {
   "account.block": "@{name} blocken",
-  "account.block_domain": "Hide everything from {domain}",
-  "account.disclaimer_full": "Information below may reflect the user's profile incompletely.",
+  "account.block_domain": "Alles von {domain} verstecken",
+  "account.disclaimer_full": "Hier aufgeführten Informationen können unvollständig sein.",
   "account.edit_profile": "Profil bearbeiten",
   "account.follow": "Folgen",
   "account.followers": "Folgende",
   "account.follows": "Folgt",
   "account.follows_you": "Folgt dir",
-  "account.media": "Media",
+  "account.media": "Medien",
   "account.mention": "@{name} erwähnen",
   "account.mute": "@{name} stummschalten",
   "account.posts": "Beiträge",
   "account.report": "@{name} melden",
-  "account.requested": "Warte auf Erlaubnis",
-  "account.share": "Share @{name}'s profile",
+  "account.requested": "Warte auf Erlaubnis. Klicke zum Abbrechen",
+  "account.share": "Profil von @{name} teilen",
   "account.unblock": "@{name} entblocken",
-  "account.unblock_domain": "Unhide {domain}",
+  "account.unblock_domain": "{domain} wieder anzeigen",
   "account.unfollow": "Entfolgen",
   "account.unmute": "@{name} nicht mehr stummschalten",
-  "account.view_full_profile": "View full profile",
+  "account.view_full_profile": "Komplettes Profil anzeigen",
   "boost_modal.combo": "Du kannst {combo} drücken, um dies beim nächsten Mal zu überspringen",
-  "bundle_column_error.body": "Something went wrong while loading this component.",
-  "bundle_column_error.retry": "Try again",
-  "bundle_column_error.title": "Network error",
-  "bundle_modal_error.close": "Close",
-  "bundle_modal_error.message": "Something went wrong while loading this component.",
-  "bundle_modal_error.retry": "Try again",
+  "bundle_column_error.body": "Etwas ist beim Laden schiefgelaufen.",
+  "bundle_column_error.retry": "Erneut versuchen",
+  "bundle_column_error.title": "Netzwerkfehlher",
+  "bundle_modal_error.close": "Schließen",
+  "bundle_modal_error.message": "Etwas ist beim Laden schiefgelaufen.",
+  "bundle_modal_error.retry": "Erneut versuchen",
   "column.blocks": "Blockierte Benutzer",
   "column.community": "Lokale Zeitleiste",
   "column.favourites": "Favoriten",
@@ -35,16 +35,16 @@
   "column.notifications": "Mitteilungen",
   "column.public": "Gesamtes bekanntes Netz",
   "column_back_button.label": "Zurück",
-  "column_header.hide_settings": "Hide settings",
-  "column_header.moveLeft_settings": "Move column to the left",
-  "column_header.moveRight_settings": "Move column to the right",
-  "column_header.pin": "Pin",
-  "column_header.show_settings": "Show settings",
-  "column_header.unpin": "Unpin",
+  "column_header.hide_settings": "Einstellungen verbergen",
+  "column_header.moveLeft_settings": "Spalte links verschieben",
+  "column_header.moveRight_settings": "Spalte rechts verschieben",
+  "column_header.pin": "Anheften",
+  "column_header.show_settings": "Einstellungen anzeigen",
+  "column_header.unpin": "Lösen",
   "column_subheading.navigation": "Navigation",
-  "column_subheading.settings": "Settings",
-  "compose_form.lock_disclaimer": "Your account is not {locked}. Anyone can follow you to view your follower-only posts.",
-  "compose_form.lock_disclaimer.lock": "locked",
+  "column_subheading.settings": "Einstellungen",
+  "compose_form.lock_disclaimer": "Dein Profil ist nicht {locked}. Jeder kann dir jederzeit folgen, um deine privaten Beiträge einzusehen.",
+  "compose_form.lock_disclaimer.lock": "gesperrt",
   "compose_form.placeholder": "Worüber möchtest du schreiben?",
   "compose_form.privacy_disclaimer": "Dein privater Status wird an die genannten Benutzer auf den Domains {domains} zugestellt. Vertraust du {domainsCount, plural, one {diesem Server} other {diesen Servern}}? Private Beiträge funktionieren nur auf Mastodon-Instanzen. Wenn {domains} {domainsCount, plural, one {keine Mastodon-Instanz ist} other {keine Mastodon-Instanzen sind}}, wird es dort kein Anzeichen geben, dass dein Beitrag privat ist und er könnte geteilt oder anderweitig für unerwünschte Empfänger sichtbar gemacht werden.",
   "compose_form.publish": "Tröt",
@@ -52,41 +52,43 @@
   "compose_form.sensitive": "Medien als heikel markieren",
   "compose_form.spoiler": "Text hinter Warnung verbergen",
   "compose_form.spoiler_placeholder": "Inhaltswarnung",
-  "confirmation_modal.cancel": "Cancel",
-  "confirmations.block.confirm": "Block",
-  "confirmations.block.message": "Are you sure you want to block {name}?",
-  "confirmations.delete.confirm": "Delete",
-  "confirmations.delete.message": "Are you sure you want to delete this status?",
-  "confirmations.domain_block.confirm": "Hide entire domain",
-  "confirmations.domain_block.message": "Are you really, really sure you want to block the entire {domain}? In most cases a few targeted blocks or mutes are sufficient and preferable.",
-  "confirmations.mute.confirm": "Mute",
-  "confirmations.mute.message": "Are you sure you want to mute {name}?",
-  "confirmations.unfollow.confirm": "Unfollow",
-  "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
-  "emoji_button.activity": "Activity",
-  "emoji_button.flags": "Flags",
-  "emoji_button.food": "Food & Drink",
+  "confirmation_modal.cancel": "Abbrechen",
+  "confirmations.block.confirm": "Blockieren",
+  "confirmations.block.message": "Bist du dir sicher, dass du {name} blockieren möchtest?",
+  "confirmations.delete.confirm": "Löschen",
+  "confirmations.delete.message": "Bist du dir sicher, dass du diesen Beitrag löschen möchstest?",
+  "confirmations.domain_block.confirm": "Die ganze Domain verbergen",
+  "confirmations.domain_block.message": "Bist du dir wirklich sicher, dass du die ganze Domain {domain} verbergen willst? In den meisten Fällen sind ein paar gezielte Blocks genug.",
+  "confirmations.mute.confirm": "Stummschalten",
+  "confirmations.mute.message": "Bist du dir sicher, dass du {name} stummschalten möchstest?",
+  "confirmations.unfollow.confirm": "Entfolgen",
+  "confirmations.unfollow.message": "Bist du dir sicher, dass du {name} entfolgen möchstest?",
+  "embed.instructions": "Du kannst diesen Beitrag auf deiner Webseite einbetten, in dem du den folgenden Code einfügst.",
+  "embed.preview": "So wird es aussehen:",
+  "emoji_button.activity": "Aktivitäten",
+  "emoji_button.flags": "Flaggen",
+  "emoji_button.food": "Essen und Trinken",
   "emoji_button.label": "Emoji einfügen",
-  "emoji_button.nature": "Nature",
-  "emoji_button.objects": "Objects",
-  "emoji_button.people": "People",
-  "emoji_button.search": "Search...",
-  "emoji_button.symbols": "Symbols",
-  "emoji_button.travel": "Travel & Places",
+  "emoji_button.nature": "Natur",
+  "emoji_button.objects": "Dinge",
+  "emoji_button.people": "Leute",
+  "emoji_button.search": "Suche…",
+  "emoji_button.symbols": "Symbole",
+  "emoji_button.travel": "Reise und Orte",
   "empty_column.community": "Die lokale Zeitleiste ist leer. Schreibe etwas öffentlich, um den Ball ins Rollen zu bringen!",
   "empty_column.hashtag": "Es gibt noch nichts unter diesem Hashtag.",
   "empty_column.home": "Du folgst noch niemandem. Besuche {public} oder benutze die Suche, um zu starten oder andere Benutzer anzutreffen.",
-  "empty_column.home.inactivity": "Your home feed is empty. If you have been inactive for a while, it will be regenerated for you soon.",
+  "empty_column.home.inactivity": "Deine Zeitleiste ist leer. Falls du eine längere Zeit inaktiv gewesen bist, wird sie für dich so schnell wie möglich wiedererstellt.",
   "empty_column.home.public_timeline": "die öffentliche Zeitleiste",
   "empty_column.notifications": "Du hast noch keine Mitteilungen. Interagiere mit anderen, um die Konversation zu starten.",
   "empty_column.public": "Hier ist nichts zu sehen! Schreibe etwas öffentlich oder folge Benutzern von anderen Instanzen, um es aufzufüllen.",
   "follow_request.authorize": "Erlauben",
   "follow_request.reject": "Ablehnen",
-  "getting_started.appsshort": "Apps",
-  "getting_started.faq": "FAQ",
+  "getting_started.appsshort": "Anwendungen",
+  "getting_started.faq": "Häufig gestellte Fragen",
   "getting_started.heading": "Erste Schritte",
   "getting_started.open_source_notice": "Mastodon ist quelloffene Software. Du kannst auf {github} dazu beitragen oder Probleme melden.",
-  "getting_started.userguide": "User Guide",
+  "getting_started.userguide": "Nutzeranleitung",
   "home.column_settings.advanced": "Fortgeschritten",
   "home.column_settings.basic": "Einfach",
   "home.column_settings.filter_regex": "Filter durch reguläre Ausdrücke",
@@ -94,8 +96,8 @@
   "home.column_settings.show_replies": "Antworten anzeigen",
   "home.settings": "Spalteneinstellungen",
   "lightbox.close": "Schließen",
-  "lightbox.next": "Next",
-  "lightbox.previous": "Previous",
+  "lightbox.next": "Weiter",
+  "lightbox.previous": "Zurück",
   "loading_indicator.label": "Lade…",
   "media_gallery.toggle_visible": "Sichtbarkeit einstellen",
   "missing_indicator.label": "Nicht gefunden",
@@ -113,8 +115,8 @@
   "notification.follow": "{name} folgt dir",
   "notification.mention": "{name} erwähnte dich",
   "notification.reblog": "{name} teilte deinen Status",
-  "notifications.clear": "Mitteilungen beseitigen",
-  "notifications.clear_confirmation": "Bist du sicher, dass du alle Mitteilungen beseitigen willst?",
+  "notifications.clear": "Mitteilungen löschen",
+  "notifications.clear_confirmation": "Bist du dir sicher, dass du alle Mitteilungen löschen möchstest?",
   "notifications.column_settings.alert": "Desktop-Benachrichtigungen",
   "notifications.column_settings.favourite": "Favorisierungen:",
   "notifications.column_settings.follow": "Neue Folgende:",
@@ -124,26 +126,26 @@
   "notifications.column_settings.reblog": "Geteilte Beiträge:",
   "notifications.column_settings.show": "In der Spalte anzeigen",
   "notifications.column_settings.sound": "Ton abspielen",
-  "onboarding.done": "Done",
-  "onboarding.next": "Next",
-  "onboarding.page_five.public_timelines": "The local timeline shows public posts from everyone on {domain}. The federated timeline shows public posts from everyone who people on {domain} follow. These are the Public Timelines, a great way to discover new people.",
-  "onboarding.page_four.home": "The home timeline shows posts from people you follow.",
-  "onboarding.page_four.notifications": "The notifications column shows when someone interacts with you.",
-  "onboarding.page_one.federation": "Mastodon is a network of independent servers joining up to make one larger social network. We call these servers instances.",
-  "onboarding.page_one.handle": "You are on {domain}, so your full handle is {handle}",
-  "onboarding.page_one.welcome": "Welcome to Mastodon!",
-  "onboarding.page_six.admin": "Your instance's admin is {admin}.",
-  "onboarding.page_six.almost_done": "Almost done...",
-  "onboarding.page_six.appetoot": "Bon Appetoot!",
-  "onboarding.page_six.apps_available": "There are {apps} available for iOS, Android and other platforms.",
-  "onboarding.page_six.github": "Mastodon is free open-source software. You can report bugs, request features, or contribute to the code on {github}.",
-  "onboarding.page_six.guidelines": "community guidelines",
-  "onboarding.page_six.read_guidelines": "Please read {domain}'s {guidelines}!",
-  "onboarding.page_six.various_app": "mobile apps",
-  "onboarding.page_three.profile": "Edit your profile to change your avatar, bio, and display name. There, you will also find other preferences.",
-  "onboarding.page_three.search": "Use the search bar to find people and look at hashtags, such as {illustration} and {introductions}. To look for a person who is not on this instance, use their full handle.",
-  "onboarding.page_two.compose": "Write posts from the compose column. You can upload images, change privacy settings, and add content warnings with the icons below.",
-  "onboarding.skip": "Skip",
+  "onboarding.done": "Fertig",
+  "onboarding.next": "Weiter",
+  "onboarding.page_five.public_timelines": "Die lokale Zeitleiste zeigt alle Beiträge von Leuten, die auch auf deiner Instanz {domain} sind. Das gesamte bekannte Netz zeigt Beiträge von allen, die kollektiv aus deiner Instanz heraus gefolgt werden. Zusammen werden die beiden Leisten auch öffentliche Zeitleisten genannt, durch sie kannst du viel neues entdecken.",
+  "onboarding.page_four.home": "Die Startseite zeigt dir Beiträge von Leuten, denen du folgst.",
+  "onboarding.page_four.notifications": "Wenn jemand mir dir interagiert, bekommst du eine Mitteilung.",
+  "onboarding.page_one.federation": "Mastodon ist ein soziales Netzwerk, das aus unabhängigen Servern besteht. Diese Server nennen wir auch Instanzen.",
+  "onboarding.page_one.handle": "Du bist auf der Instanz {domain}, also ist dein vollständiger Nutzername im Netzwerk {handle}",
+  "onboarding.page_one.welcome": "Willkommen bei Mastodon!",
+  "onboarding.page_six.admin": "Für deine Instanz ist {admin} zuständig.",
+  "onboarding.page_six.almost_done": "Fast fertig…",
+  "onboarding.page_six.appetoot": "Guten Appetröt!",
+  "onboarding.page_six.apps_available": "Es gibt verschiedene {apps} für iOS, Android und andere Plattformen.",
+  "onboarding.page_six.github": "Mastodon ist freie, quelloffene Software. Du kannst auf {github} dazu beitragen oder Probleme melden.",
+  "onboarding.page_six.guidelines": "Richtlinien",
+  "onboarding.page_six.read_guidelines": "Bitte mach dich mit den {guidelines} von {domain} vertraut!",
+  "onboarding.page_six.various_app": "mobile Anwendungen",
+  "onboarding.page_three.profile": "Bearbeite dein Profil, um dein Bild, deinen Namen oder deine Beschreibung anzupassen. Dort findest du auch andere Einstellungen.",
+  "onboarding.page_three.search": "Benutze die Suchfunktion, um Leute oder Themen zu finden. Zum Beispiel, die Hashtags {illustration} oder {introductions}. Um eine Person zu finden, die auf einer anderen Instanz ist, benutze den vollständigen Nutzernamen.",
+  "onboarding.page_two.compose": "Schreibe Beiträge aus der Schreiben-Spalte. Du kannst Bilder und kurze Videos hochladen, Sichtbarkeitseinstellungen ändern und Inhaltswarnungen hinzufügen.",
+  "onboarding.skip": "Überspringen",
   "privacy.change": "Privatsphäre des Status anpassen",
   "privacy.direct.long": "Beitrag nur an erwähnte Benutzer",
   "privacy.direct.short": "Direkt",
@@ -159,15 +161,17 @@
   "report.target": "Melden",
   "search.placeholder": "Suche",
   "search_results.total": "{count, number} {count, plural, one {Ergebnis} other {Ergebnisse}}",
-  "standalone.public_title": "A look inside...",
-  "status.cannot_reblog": "This post cannot be boosted",
+  "standalone.public_title": "Vorschau…",
+  "status.cannot_reblog": "Dieser Beitrag kann nicht geteilt werden",
   "status.delete": "Löschen",
+  "status.embed": "Einbetten",
   "status.favourite": "Favorisieren",
   "status.load_more": "Weitere laden",
   "status.media_hidden": "Medien versteckt",
   "status.mention": "Erwähnen",
-  "status.mute_conversation": "Mute conversation",
+  "status.mute_conversation": "Thread stummschalten",
   "status.open": "Öffnen",
+  "status.pin": "Auf dem Profil anheften",
   "status.reblog": "Teilen",
   "status.reblogged_by": "{name} teilte",
   "status.reply": "Antworten",
@@ -175,13 +179,14 @@
   "status.report": "@{name} melden",
   "status.sensitive_toggle": "Klicke, um sie zu sehen",
   "status.sensitive_warning": "Heikle Inhalte",
-  "status.share": "Share",
+  "status.share": "Teilen",
   "status.show_less": "Weniger anzeigen",
   "status.show_more": "Mehr anzeigen",
-  "status.unmute_conversation": "Unmute conversation",
+  "status.unmute_conversation": "Stummschaltung von Thread aufheben",
+  "status.unpin": "Vom Profil lösen",
   "tabs_bar.compose": "Schreiben",
   "tabs_bar.federated_timeline": "Föderation",
-  "tabs_bar.home": "Home",
+  "tabs_bar.home": "Startseite",
   "tabs_bar.local_timeline": "Lokal",
   "tabs_bar.notifications": "Mitteilungen",
   "upload_area.title": "Hereinziehen zum Hochladen",
diff --git a/app/javascript/mastodon/locales/defaultMessages.json b/app/javascript/mastodon/locales/defaultMessages.json
index e5d541cd6..89f74a56b 100644
--- a/app/javascript/mastodon/locales/defaultMessages.json
+++ b/app/javascript/mastodon/locales/defaultMessages.json
@@ -189,6 +189,18 @@
       {
         "defaultMessage": "Unmute conversation",
         "id": "status.unmute_conversation"
+      },
+      {
+        "defaultMessage": "Pin on profile",
+        "id": "status.pin"
+      },
+      {
+        "defaultMessage": "Unpin from profile",
+        "id": "status.unpin"
+      },
+      {
+        "defaultMessage": "Embed",
+        "id": "status.embed"
       }
     ],
     "path": "app/javascript/mastodon/components/status_action_bar.json"
@@ -424,7 +436,7 @@
         "id": "account.follow"
       },
       {
-        "defaultMessage": "Awaiting approval",
+        "defaultMessage": "Awaiting approval. Click to cancel follow request",
         "id": "account.requested"
       },
       {
@@ -1035,6 +1047,18 @@
       {
         "defaultMessage": "Share",
         "id": "status.share"
+      },
+      {
+        "defaultMessage": "Pin on profile",
+        "id": "status.pin"
+      },
+      {
+        "defaultMessage": "Unpin from profile",
+        "id": "status.unpin"
+      },
+      {
+        "defaultMessage": "Embed",
+        "id": "status.embed"
       }
     ],
     "path": "app/javascript/mastodon/features/status/components/action_bar.json"
@@ -1111,6 +1135,23 @@
   {
     "descriptors": [
       {
+        "defaultMessage": "Embed",
+        "id": "status.embed"
+      },
+      {
+        "defaultMessage": "Embed this status on your website by copying the code below.",
+        "id": "embed.instructions"
+      },
+      {
+        "defaultMessage": "Here is what it will look like:",
+        "id": "embed.preview"
+      }
+    ],
+    "path": "app/javascript/mastodon/features/ui/components/embed_modal.json"
+  },
+  {
+    "descriptors": [
+      {
         "defaultMessage": "Close",
         "id": "lightbox.close"
       },
diff --git a/app/javascript/mastodon/locales/en.json b/app/javascript/mastodon/locales/en.json
index 2ea2062d3..6d9b9c208 100644
--- a/app/javascript/mastodon/locales/en.json
+++ b/app/javascript/mastodon/locales/en.json
@@ -12,7 +12,7 @@
   "account.mute": "Mute @{name}",
   "account.posts": "Posts",
   "account.report": "Report @{name}",
-  "account.requested": "Awaiting approval",
+  "account.requested": "Awaiting approval. Click to cancel follow request",
   "account.share": "Share @{name}'s profile",
   "account.unblock": "Unblock @{name}",
   "account.unblock_domain": "Unhide {domain}",
@@ -63,6 +63,8 @@
   "confirmations.mute.message": "Are you sure you want to mute {name}?",
   "confirmations.unfollow.confirm": "Unfollow",
   "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
+  "embed.instructions": "Embed this status on your website by copying the code below.",
+  "embed.preview": "Here is what it will look like:",
   "emoji_button.activity": "Activity",
   "emoji_button.flags": "Flags",
   "emoji_button.food": "Food & Drink",
@@ -162,12 +164,14 @@
   "standalone.public_title": "A look inside...",
   "status.cannot_reblog": "This post cannot be boosted",
   "status.delete": "Delete",
+  "status.embed": "Embed",
   "status.favourite": "Favourite",
   "status.load_more": "Load more",
   "status.media_hidden": "Media hidden",
   "status.mention": "Mention @{name}",
   "status.mute_conversation": "Mute conversation",
   "status.open": "Expand this status",
+  "status.pin": "Pin on profile",
   "status.reblog": "Boost",
   "status.reblogged_by": "{name} boosted",
   "status.reply": "Reply",
@@ -179,6 +183,7 @@
   "status.show_less": "Show less",
   "status.show_more": "Show more",
   "status.unmute_conversation": "Unmute conversation",
+  "status.unpin": "Unpin from profile",
   "tabs_bar.compose": "Compose",
   "tabs_bar.federated_timeline": "Federated",
   "tabs_bar.home": "Home",
diff --git a/app/javascript/mastodon/locales/eo.json b/app/javascript/mastodon/locales/eo.json
index 960d747ec..d828d0858 100644
--- a/app/javascript/mastodon/locales/eo.json
+++ b/app/javascript/mastodon/locales/eo.json
@@ -63,6 +63,8 @@
   "confirmations.mute.message": "Are you sure you want to mute {name}?",
   "confirmations.unfollow.confirm": "Unfollow",
   "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
+  "embed.instructions": "Embed this status on your website by copying the code below.",
+  "embed.preview": "Here is what it will look like:",
   "emoji_button.activity": "Activity",
   "emoji_button.flags": "Flags",
   "emoji_button.food": "Food & Drink",
@@ -162,12 +164,14 @@
   "standalone.public_title": "A look inside...",
   "status.cannot_reblog": "This post cannot be boosted",
   "status.delete": "Forigi",
+  "status.embed": "Embed",
   "status.favourite": "Favori",
   "status.load_more": "Load more",
   "status.media_hidden": "Media hidden",
   "status.mention": "Mencii @{name}",
   "status.mute_conversation": "Mute conversation",
   "status.open": "Expand this status",
+  "status.pin": "Pin on profile",
   "status.reblog": "Diskonigi",
   "status.reblogged_by": "{name} diskonigita",
   "status.reply": "Respondi",
@@ -179,6 +183,7 @@
   "status.show_less": "Show less",
   "status.show_more": "Show more",
   "status.unmute_conversation": "Unmute conversation",
+  "status.unpin": "Unpin from profile",
   "tabs_bar.compose": "Ekskribi",
   "tabs_bar.federated_timeline": "Federated",
   "tabs_bar.home": "Hejmo",
diff --git a/app/javascript/mastodon/locales/es.json b/app/javascript/mastodon/locales/es.json
index 212d16639..d35eb84e7 100644
--- a/app/javascript/mastodon/locales/es.json
+++ b/app/javascript/mastodon/locales/es.json
@@ -63,6 +63,8 @@
   "confirmations.mute.message": "Are you sure you want to mute {name}?",
   "confirmations.unfollow.confirm": "Unfollow",
   "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
+  "embed.instructions": "Embed this status on your website by copying the code below.",
+  "embed.preview": "Here is what it will look like:",
   "emoji_button.activity": "Activity",
   "emoji_button.flags": "Flags",
   "emoji_button.food": "Food & Drink",
@@ -162,12 +164,14 @@
   "standalone.public_title": "A look inside...",
   "status.cannot_reblog": "This post cannot be boosted",
   "status.delete": "Borrar",
+  "status.embed": "Embed",
   "status.favourite": "Favorito",
   "status.load_more": "Load more",
   "status.media_hidden": "Media hidden",
   "status.mention": "Mencionar",
   "status.mute_conversation": "Mute conversation",
   "status.open": "Expandir estado",
+  "status.pin": "Pin on profile",
   "status.reblog": "Retoot",
   "status.reblogged_by": "Retooteado por {name}",
   "status.reply": "Responder",
@@ -179,6 +183,7 @@
   "status.show_less": "Mostrar menos",
   "status.show_more": "Mostrar más",
   "status.unmute_conversation": "Unmute conversation",
+  "status.unpin": "Unpin from profile",
   "tabs_bar.compose": "Redactar",
   "tabs_bar.federated_timeline": "Federated",
   "tabs_bar.home": "Inicio",
diff --git a/app/javascript/mastodon/locales/fa.json b/app/javascript/mastodon/locales/fa.json
index 5ada62f93..b51340fa7 100644
--- a/app/javascript/mastodon/locales/fa.json
+++ b/app/javascript/mastodon/locales/fa.json
@@ -63,6 +63,8 @@
   "confirmations.mute.message": "آیا واقعاً می‌خواهید {name} را بی‌صدا کنید؟",
   "confirmations.unfollow.confirm": "لغو پیگیری",
   "confirmations.unfollow.message": "آیا واقعاً می‌خواهید به پیگیری از {name} پایان دهید؟",
+  "embed.instructions": "Embed this status on your website by copying the code below.",
+  "embed.preview": "Here is what it will look like:",
   "emoji_button.activity": "فعالیت",
   "emoji_button.flags": "پرچم‌ها",
   "emoji_button.food": "غذا و نوشیدنی",
@@ -162,12 +164,14 @@
   "standalone.public_title": "نگاهی به کاربران این سرور...",
   "status.cannot_reblog": "این نوشته را نمی‌شود بازبوقید",
   "status.delete": "پاک‌کردن",
+  "status.embed": "Embed",
   "status.favourite": "پسندیدن",
   "status.load_more": "بیشتر نشان بده",
   "status.media_hidden": "تصویر پنهان شده",
   "status.mention": "نام‌بردن از @{name}",
   "status.mute_conversation": "بی‌صداکردن گفتگو",
   "status.open": "این نوشته را باز کن",
+  "status.pin": "Pin on profile",
   "status.reblog": "بازبوقیدن",
   "status.reblogged_by": "‫{name}‬ بازبوقید",
   "status.reply": "پاسخ",
@@ -179,6 +183,7 @@
   "status.show_less": "نهفتن",
   "status.show_more": "نمایش",
   "status.unmute_conversation": "باصداکردن گفتگو",
+  "status.unpin": "Unpin from profile",
   "tabs_bar.compose": "بنویسید",
   "tabs_bar.federated_timeline": "همگانی",
   "tabs_bar.home": "خانه",
diff --git a/app/javascript/mastodon/locales/fi.json b/app/javascript/mastodon/locales/fi.json
index cb9e9c2a6..926a57ff1 100644
--- a/app/javascript/mastodon/locales/fi.json
+++ b/app/javascript/mastodon/locales/fi.json
@@ -63,6 +63,8 @@
   "confirmations.mute.message": "Are you sure you want to mute {name}?",
   "confirmations.unfollow.confirm": "Unfollow",
   "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
+  "embed.instructions": "Embed this status on your website by copying the code below.",
+  "embed.preview": "Here is what it will look like:",
   "emoji_button.activity": "Activity",
   "emoji_button.flags": "Flags",
   "emoji_button.food": "Food & Drink",
@@ -162,12 +164,14 @@
   "standalone.public_title": "A look inside...",
   "status.cannot_reblog": "This post cannot be boosted",
   "status.delete": "Poista",
+  "status.embed": "Embed",
   "status.favourite": "Tykkää",
   "status.load_more": "Load more",
   "status.media_hidden": "Media hidden",
   "status.mention": "Mainitse @{name}",
   "status.mute_conversation": "Mute conversation",
   "status.open": "Expand this status",
+  "status.pin": "Pin on profile",
   "status.reblog": "Buustaa",
   "status.reblogged_by": "{name} buustasi",
   "status.reply": "Vastaa",
@@ -179,6 +183,7 @@
   "status.show_less": "Show less",
   "status.show_more": "Show more",
   "status.unmute_conversation": "Unmute conversation",
+  "status.unpin": "Unpin from profile",
   "tabs_bar.compose": "Luo",
   "tabs_bar.federated_timeline": "Federated",
   "tabs_bar.home": "Koti",
diff --git a/app/javascript/mastodon/locales/fr.json b/app/javascript/mastodon/locales/fr.json
index f3f0d0463..fa8ea6c73 100644
--- a/app/javascript/mastodon/locales/fr.json
+++ b/app/javascript/mastodon/locales/fr.json
@@ -20,11 +20,11 @@
   "account.unmute": "Ne plus masquer",
   "account.view_full_profile": "Afficher le profil complet",
   "boost_modal.combo": "Vous pouvez appuyer sur {combo} pour pouvoir passer ceci, la prochaine fois",
-  "bundle_column_error.body": "Une erreur s'est produite lors du chargement de ce composant.",
+  "bundle_column_error.body": "Une erreur s’est produite lors du chargement de ce composant.",
   "bundle_column_error.retry": "Réessayer",
   "bundle_column_error.title": "Erreur réseau",
   "bundle_modal_error.close": "Fermer",
-  "bundle_modal_error.message": "Une erreur s'est produite lors du chargement de ce composant.",
+  "bundle_modal_error.message": "Une erreur s’est produite lors du chargement de ce composant.",
   "bundle_modal_error.retry": "Réessayer",
   "column.blocks": "Comptes bloqués",
   "column.community": "Fil public local",
@@ -43,12 +43,12 @@
   "column_header.unpin": "Retirer",
   "column_subheading.navigation": "Navigation",
   "column_subheading.settings": "Paramètres",
-  "compose_form.lock_disclaimer": "Votre compte n’est pas {locked}. Tout le monde peut vous suivre et voir vos pouets restreints.",
+  "compose_form.lock_disclaimer": "Votre compte n’est pas {locked}. Tout le monde peut vous suivre et voir vos pouets privés.",
   "compose_form.lock_disclaimer.lock": "verrouillé",
   "compose_form.placeholder": "Qu’avez-vous en tête ?",
   "compose_form.privacy_disclaimer": "Votre statut privé va être transmis aux personnes mentionnées sur {domains}. Avez-vous confiance en {domainsCount, plural, one {ce serveur} other {ces serveurs}} pour ne pas divulguer votre statut ? Les statuts privés ne fonctionnent que sur les instances de Mastodon. Si {domains} {domainsCount, plural, one {n’est pas une instance de Mastodon} other {ne sont pas des instances de Mastodon}}, il n’y aura aucune indication que votre statut est privé, et il pourrait être partagé ou rendu visible d’une autre manière à d’autres personnes imprévues.",
   "compose_form.publish": "Pouet ",
-  "compose_form.publish_loud": "{publish}!",
+  "compose_form.publish_loud": "{publish} !",
   "compose_form.sensitive": "Marquer le média comme sensible",
   "compose_form.spoiler": "Masquer le texte derrière un avertissement",
   "compose_form.spoiler_placeholder": "Écrivez ici votre avertissement",
@@ -62,7 +62,9 @@
   "confirmations.mute.confirm": "Masquer",
   "confirmations.mute.message": "Confirmez vous le masquage de {name} ?",
   "confirmations.unfollow.confirm": "Ne plus suivre",
-  "confirmations.unfollow.message": "Vous voulez-vous arrêter de suivre {name} ?",
+  "confirmations.unfollow.message": "Vous voulez-vous arrêter de suivre {name} ?",
+  "embed.instructions": "Embed this status on your website by copying the code below.",
+  "embed.preview": "Here is what it will look like:",
   "emoji_button.activity": "Activités",
   "emoji_button.flags": "Drapeaux",
   "emoji_button.food": "Boire et manger",
@@ -134,8 +136,8 @@
   "onboarding.page_one.welcome": "Bienvenue sur Mastodon !",
   "onboarding.page_six.admin": "L’administrateur⋅trice de votre instance est {admin}",
   "onboarding.page_six.almost_done": "Nous y sommes presque…",
-  "onboarding.page_six.appetoot": "Bon Appétoot!",
-  "onboarding.page_six.apps_available": "De nombreuses {apps} sont disponibles pour iOS, Android et autres. Et maintenant… Bon Appétoot!",
+  "onboarding.page_six.appetoot": "Bon appouétit !",
+  "onboarding.page_six.apps_available": "De nombreuses {apps} sont disponibles pour iOS, Android et autres. Et maintenant… Bon appouétit !",
   "onboarding.page_six.github": "Mastodon est un logiciel libre, gratuit et open-source. Vous pouvez rapporter des bogues, suggérer des fonctionnalités, ou contribuer à son développement sur {github}.",
   "onboarding.page_six.guidelines": "règles de la communauté",
   "onboarding.page_six.read_guidelines": "S’il vous plaît, n’oubliez pas de lire les {guidelines} !",
@@ -159,15 +161,17 @@
   "report.target": "Signalement",
   "search.placeholder": "Rechercher",
   "search_results.total": "{count, number} {count, plural, one {résultat} other {résultats}}",
-  "standalone.public_title": "Coup d'œil",
+  "standalone.public_title": "Jeter un coup d’œil…",
   "status.cannot_reblog": "Cette publication ne peut être boostée",
   "status.delete": "Effacer",
+  "status.embed": "Embed",
   "status.favourite": "Ajouter aux favoris",
   "status.load_more": "Charger plus",
   "status.media_hidden": "Média caché",
   "status.mention": "Mentionner",
   "status.mute_conversation": "Masquer la conversation",
   "status.open": "Déplier ce statut",
+  "status.pin": "Épingler sur le profil",
   "status.reblog": "Partager",
   "status.reblogged_by": "{name} a partagé :",
   "status.reply": "Répondre",
@@ -179,6 +183,7 @@
   "status.show_less": "Replier",
   "status.show_more": "Déplier",
   "status.unmute_conversation": "Ne plus masquer la conversation",
+  "status.unpin": "Retirer du profil",
   "tabs_bar.compose": "Composer",
   "tabs_bar.federated_timeline": "Fil public global",
   "tabs_bar.home": "Accueil",
diff --git a/app/javascript/mastodon/locales/he.json b/app/javascript/mastodon/locales/he.json
index 34266d8e1..9ef933108 100644
--- a/app/javascript/mastodon/locales/he.json
+++ b/app/javascript/mastodon/locales/he.json
@@ -63,6 +63,8 @@
   "confirmations.mute.message": "להשתיק את {name}?",
   "confirmations.unfollow.confirm": "Unfollow",
   "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
+  "embed.instructions": "Embed this status on your website by copying the code below.",
+  "embed.preview": "Here is what it will look like:",
   "emoji_button.activity": "פעילות",
   "emoji_button.flags": "דגלים",
   "emoji_button.food": "אוכל ושתיה",
@@ -162,12 +164,14 @@
   "standalone.public_title": "A look inside...",
   "status.cannot_reblog": "לא ניתן להדהד הודעה זו",
   "status.delete": "מחיקה",
+  "status.embed": "Embed",
   "status.favourite": "חיבוב",
   "status.load_more": "עוד",
   "status.media_hidden": "מדיה מוסתרת",
   "status.mention": "פניה אל @{name}",
   "status.mute_conversation": "השתקת שיחה",
   "status.open": "הרחבת הודעה",
+  "status.pin": "Pin on profile",
   "status.reblog": "הדהוד",
   "status.reblogged_by": "הודהד על ידי {name}",
   "status.reply": "תגובה",
@@ -179,6 +183,7 @@
   "status.show_less": "הראה פחות",
   "status.show_more": "הראה יותר",
   "status.unmute_conversation": "הסרת השתקת שיחה",
+  "status.unpin": "Unpin from profile",
   "tabs_bar.compose": "חיבור",
   "tabs_bar.federated_timeline": "ציר זמן בין-קהילתי",
   "tabs_bar.home": "בבית",
diff --git a/app/javascript/mastodon/locales/hr.json b/app/javascript/mastodon/locales/hr.json
index f69b096d4..27e943bdd 100644
--- a/app/javascript/mastodon/locales/hr.json
+++ b/app/javascript/mastodon/locales/hr.json
@@ -63,6 +63,8 @@
   "confirmations.mute.message": "Jesi li siguran da želiš utišati {name}?",
   "confirmations.unfollow.confirm": "Unfollow",
   "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
+  "embed.instructions": "Embed this status on your website by copying the code below.",
+  "embed.preview": "Here is what it will look like:",
   "emoji_button.activity": "Aktivnost",
   "emoji_button.flags": "Zastave",
   "emoji_button.food": "Hrana & Piće",
@@ -162,12 +164,14 @@
   "standalone.public_title": "A look inside...",
   "status.cannot_reblog": "Ovaj post ne može biti podignut",
   "status.delete": "Obriši",
+  "status.embed": "Embed",
   "status.favourite": "Označi omiljenim",
   "status.load_more": "Učitaj više",
   "status.media_hidden": "Sakriven media sadržaj",
   "status.mention": "Spomeni @{name}",
   "status.mute_conversation": "Utišaj razgovor",
   "status.open": "Proširi ovaj status",
+  "status.pin": "Pin on profile",
   "status.reblog": "Podigni",
   "status.reblogged_by": "{name} je podigao",
   "status.reply": "Odgovori",
@@ -179,6 +183,7 @@
   "status.show_less": "Pokaži manje",
   "status.show_more": "Pokaži više",
   "status.unmute_conversation": "Poništi utišavanje razgovora",
+  "status.unpin": "Unpin from profile",
   "tabs_bar.compose": "Sastavi",
   "tabs_bar.federated_timeline": "Federalni",
   "tabs_bar.home": "Dom",
diff --git a/app/javascript/mastodon/locales/hu.json b/app/javascript/mastodon/locales/hu.json
index 4d2a50963..a708ec638 100644
--- a/app/javascript/mastodon/locales/hu.json
+++ b/app/javascript/mastodon/locales/hu.json
@@ -63,6 +63,8 @@
   "confirmations.mute.message": "Are you sure you want to mute {name}?",
   "confirmations.unfollow.confirm": "Unfollow",
   "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
+  "embed.instructions": "Embed this status on your website by copying the code below.",
+  "embed.preview": "Here is what it will look like:",
   "emoji_button.activity": "Activity",
   "emoji_button.flags": "Flags",
   "emoji_button.food": "Food & Drink",
@@ -162,12 +164,14 @@
   "standalone.public_title": "A look inside...",
   "status.cannot_reblog": "This post cannot be boosted",
   "status.delete": "Törlés",
+  "status.embed": "Embed",
   "status.favourite": "Kedvenc",
   "status.load_more": "Load more",
   "status.media_hidden": "Media hidden",
   "status.mention": "Említés",
   "status.mute_conversation": "Mute conversation",
   "status.open": "Expand this status",
+  "status.pin": "Pin on profile",
   "status.reblog": "Reblog",
   "status.reblogged_by": "{name} reblogolta",
   "status.reply": "Válasz",
@@ -179,6 +183,7 @@
   "status.show_less": "Show less",
   "status.show_more": "Show more",
   "status.unmute_conversation": "Unmute conversation",
+  "status.unpin": "Unpin from profile",
   "tabs_bar.compose": "Összeállítás",
   "tabs_bar.federated_timeline": "Federated",
   "tabs_bar.home": "Kezdőlap",
diff --git a/app/javascript/mastodon/locales/id.json b/app/javascript/mastodon/locales/id.json
index 532739e3c..d71e293e8 100644
--- a/app/javascript/mastodon/locales/id.json
+++ b/app/javascript/mastodon/locales/id.json
@@ -63,6 +63,8 @@
   "confirmations.mute.message": "Apa anda yakin ingin membisukan {name}?",
   "confirmations.unfollow.confirm": "Unfollow",
   "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
+  "embed.instructions": "Embed this status on your website by copying the code below.",
+  "embed.preview": "Here is what it will look like:",
   "emoji_button.activity": "Aktivitas",
   "emoji_button.flags": "Bendera",
   "emoji_button.food": "Makanan & Minuman",
@@ -162,12 +164,14 @@
   "standalone.public_title": "A look inside...",
   "status.cannot_reblog": "This post cannot be boosted",
   "status.delete": "Hapus",
+  "status.embed": "Embed",
   "status.favourite": "Difavoritkan",
   "status.load_more": "Tampilkan semua",
   "status.media_hidden": "Media disembunyikan",
   "status.mention": "Balasan @{name}",
   "status.mute_conversation": "Mute conversation",
   "status.open": "Tampilkan status ini",
+  "status.pin": "Pin on profile",
   "status.reblog": "Boost",
   "status.reblogged_by": "di-boost {name}",
   "status.reply": "Balas",
@@ -179,6 +183,7 @@
   "status.show_less": "Tampilkan lebih sedikit",
   "status.show_more": "Tampilkan semua",
   "status.unmute_conversation": "Unmute conversation",
+  "status.unpin": "Unpin from profile",
   "tabs_bar.compose": "Tulis",
   "tabs_bar.federated_timeline": "Gabungan",
   "tabs_bar.home": "Beranda",
diff --git a/app/javascript/mastodon/locales/io.json b/app/javascript/mastodon/locales/io.json
index a5e363e40..5df5c59a1 100644
--- a/app/javascript/mastodon/locales/io.json
+++ b/app/javascript/mastodon/locales/io.json
@@ -63,6 +63,8 @@
   "confirmations.mute.message": "Are you sure you want to mute {name}?",
   "confirmations.unfollow.confirm": "Unfollow",
   "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
+  "embed.instructions": "Embed this status on your website by copying the code below.",
+  "embed.preview": "Here is what it will look like:",
   "emoji_button.activity": "Activity",
   "emoji_button.flags": "Flags",
   "emoji_button.food": "Food & Drink",
@@ -162,12 +164,14 @@
   "standalone.public_title": "A look inside...",
   "status.cannot_reblog": "This post cannot be boosted",
   "status.delete": "Efacar",
+  "status.embed": "Embed",
   "status.favourite": "Favorizar",
   "status.load_more": "Kargar pluse",
   "status.media_hidden": "Kontenajo celita",
   "status.mention": "Mencionar @{name}",
   "status.mute_conversation": "Mute conversation",
   "status.open": "Detaligar ca mesajo",
+  "status.pin": "Pin on profile",
   "status.reblog": "Repetar",
   "status.reblogged_by": "{name} repetita",
   "status.reply": "Respondar",
@@ -179,6 +183,7 @@
   "status.show_less": "Montrar mine",
   "status.show_more": "Montrar plue",
   "status.unmute_conversation": "Unmute conversation",
+  "status.unpin": "Unpin from profile",
   "tabs_bar.compose": "Kompozar",
   "tabs_bar.federated_timeline": "Federata",
   "tabs_bar.home": "Hemo",
diff --git a/app/javascript/mastodon/locales/it.json b/app/javascript/mastodon/locales/it.json
index 329eb82ca..eec35a70c 100644
--- a/app/javascript/mastodon/locales/it.json
+++ b/app/javascript/mastodon/locales/it.json
@@ -63,6 +63,8 @@
   "confirmations.mute.message": "Are you sure you want to mute {name}?",
   "confirmations.unfollow.confirm": "Unfollow",
   "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
+  "embed.instructions": "Embed this status on your website by copying the code below.",
+  "embed.preview": "Here is what it will look like:",
   "emoji_button.activity": "Activity",
   "emoji_button.flags": "Flags",
   "emoji_button.food": "Food & Drink",
@@ -162,12 +164,14 @@
   "standalone.public_title": "A look inside...",
   "status.cannot_reblog": "This post cannot be boosted",
   "status.delete": "Elimina",
+  "status.embed": "Embed",
   "status.favourite": "Apprezzato",
   "status.load_more": "Mostra di più",
   "status.media_hidden": "Allegato nascosto",
   "status.mention": "Nomina @{name}",
   "status.mute_conversation": "Mute conversation",
   "status.open": "Espandi questo post",
+  "status.pin": "Pin on profile",
   "status.reblog": "Condividi",
   "status.reblogged_by": "{name} ha condiviso",
   "status.reply": "Rispondi",
@@ -179,6 +183,7 @@
   "status.show_less": "Mostra meno",
   "status.show_more": "Mostra di più",
   "status.unmute_conversation": "Unmute conversation",
+  "status.unpin": "Unpin from profile",
   "tabs_bar.compose": "Scrivi",
   "tabs_bar.federated_timeline": "Federazione",
   "tabs_bar.home": "Home",
diff --git a/app/javascript/mastodon/locales/ja.json b/app/javascript/mastodon/locales/ja.json
index 4c98086bb..560d2b668 100644
--- a/app/javascript/mastodon/locales/ja.json
+++ b/app/javascript/mastodon/locales/ja.json
@@ -63,6 +63,8 @@
   "confirmations.mute.message": "本当に{name}をミュートしますか?",
   "confirmations.unfollow.confirm": "フォロー解除",
   "confirmations.unfollow.message": "本当に{name}をフォロー解除しますか?",
+  "embed.instructions": "下記のコードをコピーしてウェブサイトに埋め込みます。",
+  "embed.preview": "表示例:",
   "emoji_button.activity": "活動",
   "emoji_button.flags": "国旗",
   "emoji_button.food": "食べ物",
@@ -159,15 +161,17 @@
   "report.target": "{target} を通報する",
   "search.placeholder": "検索",
   "search_results.total": "{count, number}件の結果",
-  "standalone.public_title": "連合タイムライン",
+  "standalone.public_title": "今こんな話をしています",
   "status.cannot_reblog": "この投稿はブーストできません",
   "status.delete": "削除",
+  "status.embed": "埋め込み",
   "status.favourite": "お気に入り",
   "status.load_more": "もっと見る",
   "status.media_hidden": "非表示のメディア",
   "status.mention": "返信",
   "status.mute_conversation": "会話をミュート",
   "status.open": "詳細を表示",
+  "status.pin": "プロフィールに固定表示",
   "status.reblog": "ブースト",
   "status.reblogged_by": "{name}さんにブーストされました",
   "status.reply": "返信",
@@ -179,6 +183,7 @@
   "status.show_less": "隠す",
   "status.show_more": "もっと見る",
   "status.unmute_conversation": "会話のミュートを解除",
+  "status.unpin": "プロフィールの固定表示を解除",
   "tabs_bar.compose": "投稿",
   "tabs_bar.federated_timeline": "連合",
   "tabs_bar.home": "ホーム",
diff --git a/app/javascript/mastodon/locales/ko.json b/app/javascript/mastodon/locales/ko.json
index 47d0d4087..7d573506c 100644
--- a/app/javascript/mastodon/locales/ko.json
+++ b/app/javascript/mastodon/locales/ko.json
@@ -63,6 +63,8 @@
   "confirmations.mute.message": "정말로 {name}를 뮤트하시겠습니까?",
   "confirmations.unfollow.confirm": "Unfollow",
   "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
+  "embed.instructions": "Embed this status on your website by copying the code below.",
+  "embed.preview": "Here is what it will look like:",
   "emoji_button.activity": "활동",
   "emoji_button.flags": "국기",
   "emoji_button.food": "음식",
@@ -162,12 +164,14 @@
   "standalone.public_title": "A look inside...",
   "status.cannot_reblog": "이 포스트는 부스트 할 수 없습니다",
   "status.delete": "삭제",
+  "status.embed": "Embed",
   "status.favourite": "즐겨찾기",
   "status.load_more": "더 보기",
   "status.media_hidden": "미디어 숨겨짐",
   "status.mention": "답장",
   "status.mute_conversation": "이 대화를 뮤트",
   "status.open": "상세 정보 표시",
+  "status.pin": "Pin on profile",
   "status.reblog": "부스트",
   "status.reblogged_by": "{name}님이 부스트 했습니다",
   "status.reply": "답장",
@@ -179,6 +183,7 @@
   "status.show_less": "숨기기",
   "status.show_more": "더 보기",
   "status.unmute_conversation": "이 대화의 뮤트 해제하기",
+  "status.unpin": "Unpin from profile",
   "tabs_bar.compose": "포스트",
   "tabs_bar.federated_timeline": "연합",
   "tabs_bar.home": "홈",
diff --git a/app/javascript/mastodon/locales/nl.json b/app/javascript/mastodon/locales/nl.json
index 4d68c7992..d6775e1e4 100644
--- a/app/javascript/mastodon/locales/nl.json
+++ b/app/javascript/mastodon/locales/nl.json
@@ -63,6 +63,8 @@
   "confirmations.mute.message": "Weet je het zeker dat je {name} wilt negeren?",
   "confirmations.unfollow.confirm": "Ontvolgen",
   "confirmations.unfollow.message": "Weet je het zeker dat je {name} wilt ontvolgen?",
+  "embed.instructions": "Embed this status on your website by copying the code below.",
+  "embed.preview": "Here is what it will look like:",
   "emoji_button.activity": "Activiteiten",
   "emoji_button.flags": "Vlaggen",
   "emoji_button.food": "Eten en drinken",
@@ -162,12 +164,14 @@
   "standalone.public_title": "Een kijkje binnenin...",
   "status.cannot_reblog": "Deze toot kan niet geboost worden",
   "status.delete": "Verwijderen",
+  "status.embed": "Embed",
   "status.favourite": "Favoriet",
   "status.load_more": "Meer laden",
   "status.media_hidden": "Media verborgen",
   "status.mention": "Vermeld @{name}",
   "status.mute_conversation": "Negeer conversatie",
   "status.open": "Toot volledig tonen",
+  "status.pin": "Pin on profile",
   "status.reblog": "Boost",
   "status.reblogged_by": "{name} boostte",
   "status.reply": "Reageren",
@@ -179,6 +183,7 @@
   "status.show_less": "Minder tonen",
   "status.show_more": "Meer tonen",
   "status.unmute_conversation": "Conversatie niet meer negeren",
+  "status.unpin": "Unpin from profile",
   "tabs_bar.compose": "Schrijven",
   "tabs_bar.federated_timeline": "Globaal",
   "tabs_bar.home": "Start",
diff --git a/app/javascript/mastodon/locales/no.json b/app/javascript/mastodon/locales/no.json
index 9453e65ff..f3c24a807 100644
--- a/app/javascript/mastodon/locales/no.json
+++ b/app/javascript/mastodon/locales/no.json
@@ -63,6 +63,8 @@
   "confirmations.mute.message": "Er du sikker på at du vil dempe {name}?",
   "confirmations.unfollow.confirm": "Unfollow",
   "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
+  "embed.instructions": "Embed this status on your website by copying the code below.",
+  "embed.preview": "Here is what it will look like:",
   "emoji_button.activity": "Aktivitet",
   "emoji_button.flags": "Flagg",
   "emoji_button.food": "Mat og drikke",
@@ -162,12 +164,14 @@
   "standalone.public_title": "A look inside...",
   "status.cannot_reblog": "Denne posten kan ikke fremheves",
   "status.delete": "Slett",
+  "status.embed": "Embed",
   "status.favourite": "Lik",
   "status.load_more": "Last mer",
   "status.media_hidden": "Media skjult",
   "status.mention": "Nevn @{name}",
   "status.mute_conversation": "Demp samtale",
   "status.open": "Utvid denne statusen",
+  "status.pin": "Pin on profile",
   "status.reblog": "Fremhev",
   "status.reblogged_by": "Fremhevd av {name}",
   "status.reply": "Svar",
@@ -179,6 +183,7 @@
   "status.show_less": "Vis mindre",
   "status.show_more": "Vis mer",
   "status.unmute_conversation": "Ikke demp samtale",
+  "status.unpin": "Unpin from profile",
   "tabs_bar.compose": "Komponer",
   "tabs_bar.federated_timeline": "Felles",
   "tabs_bar.home": "Hjem",
diff --git a/app/javascript/mastodon/locales/oc.json b/app/javascript/mastodon/locales/oc.json
index e2a5d7c59..141bff042 100644
--- a/app/javascript/mastodon/locales/oc.json
+++ b/app/javascript/mastodon/locales/oc.json
@@ -45,24 +45,26 @@
   "column_subheading.settings": "Paramètres",
   "compose_form.lock_disclaimer": "Vòstre compte es pas {locked}. Tot lo mond pòt vos sègre e veire los estatuts reservats als seguidors.",
   "compose_form.lock_disclaimer.lock": "clavat",
-  "compose_form.placeholder": "A de qué pensatz ?",
-  "compose_form.privacy_disclaimer": "Vòstre estatut privat serà enviat a las personas mencionadas sus {domains}. Vos fisatz d’aqueste {domainsCount, plural, one { servidor} other {s servidors}} per divulgar pas vòstre estatut ? Los estatuts privats foncionan pas que sus las instàncias de Mastodon. Se {domains} {domainsCount, plural, one {es pas una instància a Mastodon} other {son pas d'instàncias a Mastodon}}, i aurà pas d’indicacion disent que vòstre estatut es privat e poirà èsser partejat o èsser visible a de mond pas prevists",
+  "compose_form.placeholder": "A de qué pensatz ?",
+  "compose_form.privacy_disclaimer": "Vòstre estatut privat serà enviat a las personas mencionadas sus {domains}. Vos fisatz d’aqueste {domainsCount, plural, one { servidor} other {s servidors}} per divulgar pas vòstre estatut ? Los estatuts privats foncionan pas que sus las instàncias de Mastodon. Se {domains} {domainsCount, plural, one {es pas una instància a Mastodon} other {son pas d'instàncias a Mastodon}}, i aurà pas d’indicacion disent que vòstre estatut es privat e poirà èsser partejat o èsser visible a de mond pas prevists",
   "compose_form.publish": "Tut",
-  "compose_form.publish_loud": "{publish} !",
+  "compose_form.publish_loud": "{publish} !",
   "compose_form.sensitive": "Marcar lo mèdia coma sensible",
   "compose_form.spoiler": "Rescondre lo tèxte darrièr un avertiment",
   "compose_form.spoiler_placeholder": "Escrivètz l’avertiment aquí",
   "confirmation_modal.cancel": "Anullar",
   "confirmations.block.confirm": "Blocar",
-  "confirmations.block.message": "Sètz segur de voler blocar {name} ?",
+  "confirmations.block.message": "Sètz segur de voler blocar {name} ?",
   "confirmations.delete.confirm": "Suprimir",
-  "confirmations.delete.message": "Sètz segur de voler suprimir l’estatut ?",
+  "confirmations.delete.message": "Sètz segur de voler suprimir l’estatut ?",
   "confirmations.domain_block.confirm": "Amagar tot lo domeni",
-  "confirmations.domain_block.message": "Sètz segur segur de voler blocar completament {domain} ? De còps cal pas que blocar o rescondre unas personas solament.",
+  "confirmations.domain_block.message": "Sètz segur segur de voler blocar completament {domain} ? De còps cal pas que blocar o rescondre unas personas solament.",
   "confirmations.mute.confirm": "Metre en silenci",
-  "confirmations.mute.message": "Sètz segur de voler metre en silenci {name} ?",
+  "confirmations.mute.message": "Sètz segur de voler metre en silenci {name} ?",
   "confirmations.unfollow.confirm": "Quitar de sègre",
-  "confirmations.unfollow.message": "Volètz vertadièrament quitar de sègre {name} ?",
+  "confirmations.unfollow.message": "Volètz vertadièrament quitar de sègre {name} ?",
+  "embed.instructions": "Embed this status on your website by copying the code below.",
+  "embed.preview": "Here is what it will look like:",
   "emoji_button.activity": "Activitats",
   "emoji_button.flags": "Drapèus",
   "emoji_button.food": "Beure e manjar",
@@ -73,13 +75,13 @@
   "emoji_button.search": "Cercar…",
   "emoji_button.symbols": "Simbòls",
   "emoji_button.travel": "Viatges & lòcs",
-  "empty_column.community": "Lo flux public local es void. Escrivètz quicòm per lo garnir !",
+  "empty_column.community": "Lo flux public local es void. Escrivètz quicòm per lo garnir !",
   "empty_column.hashtag": "I a pas encara de contengut ligat a aqueste hashtag",
   "empty_column.home": "Pel moment seguètz pas degun. Visitatz {public} o utilizatz la recèrca per vos connectar a d’autras personas.",
   "empty_column.home.inactivity": "Vòstra pagina d’acuèlh es voida. Se sètz estat inactiu per un moment, serà tornada generar per vos dins una estona.",
   "empty_column.home.public_timeline": "lo flux public",
   "empty_column.notifications": "Avètz pas encara de notificacions. Respondètz a qualqu’un per començar una conversacion.",
-  "empty_column.public": "I a pas res aquí ! Escrivètz quicòm de public, o seguètz de personas d’autras instàncias per garnir lo flux public.",
+  "empty_column.public": "I a pas res aquí ! Escrivètz quicòm de public, o seguètz de personas d’autras instàncias per garnir lo flux public.",
   "follow_request.authorize": "Autorizar",
   "follow_request.reject": "Regetar",
   "getting_started.appsshort": "Apps",
@@ -109,19 +111,19 @@
   "navigation_bar.mutes": "Personas rescondudas",
   "navigation_bar.preferences": "Preferéncias",
   "navigation_bar.public_timeline": "Flux public global",
-  "notification.favourite": "{name} a ajustat a sos favorits :",
+  "notification.favourite": "{name} a ajustat a sos favorits :",
   "notification.follow": "{name} vos sèc",
-  "notification.mention": "{name} vos a mencionat :",
-  "notification.reblog": "{name} a partejat vòstre estatut :",
+  "notification.mention": "{name} vos a mencionat :",
+  "notification.reblog": "{name} a partejat vòstre estatut :",
   "notifications.clear": "Escafar",
-  "notifications.clear_confirmation": "Volètz vertadièrament escafar totas vòstras las notificacions ?",
+  "notifications.clear_confirmation": "Volètz vertadièrament escafar totas vòstras las notificacions ?",
   "notifications.column_settings.alert": "Notificacions localas",
-  "notifications.column_settings.favourite": "Favorits :",
-  "notifications.column_settings.follow": "Nòus seguidors :",
-  "notifications.column_settings.mention": "Mencions :",
+  "notifications.column_settings.favourite": "Favorits :",
+  "notifications.column_settings.follow": "Nòus seguidors :",
+  "notifications.column_settings.mention": "Mencions :",
   "notifications.column_settings.push": "Notificacions",
   "notifications.column_settings.push_meta": "Aqueste periferic",
-  "notifications.column_settings.reblog": "Partatges :",
+  "notifications.column_settings.reblog": "Partatges :",
   "notifications.column_settings.show": "Mostrar dins la colomna",
   "notifications.column_settings.sound": "Emetre un son",
   "onboarding.done": "Fach",
@@ -131,14 +133,14 @@
   "onboarding.page_four.notifications": "La colomna de notificacions vos fa veire quand qualqu’un interagís amb vos",
   "onboarding.page_one.federation": "Mastodon es un malhum de servidors independents que comunican per bastir un malhum ma larg. Òm los apèla instàncias.",
   "onboarding.page_one.handle": "Sètz sus {domain}, doncas vòstre identificant complet es {handle}",
-  "onboarding.page_one.welcome": "Benvengut a Mastodon !",
+  "onboarding.page_one.welcome": "Benvengut a Mastodon !",
   "onboarding.page_six.admin": "Vòstre administrator d’instància es {admin}.",
   "onboarding.page_six.almost_done": "Gaireben acabat…",
   "onboarding.page_six.appetoot": "Bon Appetut!",
   "onboarding.page_six.apps_available": "I a d’aplicacions per mobil per iOS, Android e mai.",
   "onboarding.page_six.github": "Mastodon es un logicial liure e open-source.  Podètz senhalar de bugs, demandar de foncionalitats e contribuir al còdi sus {github}.",
   "onboarding.page_six.guidelines": "guida de la comunitat",
-  "onboarding.page_six.read_guidelines": "Mercés de legir la {guidelines} a {domain} !",
+  "onboarding.page_six.read_guidelines": "Mercés de legir la {guidelines} a {domain} !",
   "onboarding.page_six.various_app": "aplicacions per mobil",
   "onboarding.page_three.profile": "Modificatz vòstre perfil per cambiar vòstre avatar, bio e escais-nom. I a enlà totas las preferéncias.",
   "onboarding.page_three.search": "Emplegatz la barra de recèrca per trobar de mond e engachatz las etiquetas coma {illustration} e {introductions}. Per trobar una persona d’una autra instància, picatz son identificant complet.",
@@ -162,14 +164,16 @@
   "standalone.public_title": "Una ulhada dedins…",
   "status.cannot_reblog": "Aqueste estatut pòt pas èsser partejat",
   "status.delete": "Escafar",
+  "status.embed": "Embed",
   "status.favourite": "Apondre als favorits",
   "status.load_more": "Cargar mai",
   "status.media_hidden": "Mèdia rescondut",
   "status.mention": "Mencionar",
   "status.mute_conversation": "Rescondre la conversacion",
   "status.open": "Desplegar aqueste estatut",
+  "status.pin": "Penjar al perfil",
   "status.reblog": "Partejar",
-  "status.reblogged_by": "{name} a partejat :",
+  "status.reblogged_by": "{name} a partejat :",
   "status.reply": "Respondre",
   "status.replyAll": "Respondre a la conversacion",
   "status.report": "Senhalar @{name}",
@@ -179,6 +183,7 @@
   "status.show_less": "Tornar plegar",
   "status.show_more": "Desplegar",
   "status.unmute_conversation": "Conversacions amb silenci levat",
+  "status.unpin": "Despenjar del perfil",
   "tabs_bar.compose": "Compausar",
   "tabs_bar.federated_timeline": "Flux public global",
   "tabs_bar.home": "Acuèlh",
diff --git a/app/javascript/mastodon/locales/pl.json b/app/javascript/mastodon/locales/pl.json
index 542230f11..e3e652970 100644
--- a/app/javascript/mastodon/locales/pl.json
+++ b/app/javascript/mastodon/locales/pl.json
@@ -10,7 +10,7 @@
   "account.media": "Media",
   "account.mention": "Wspomnij o @{name}",
   "account.mute": "Wycisz @{name}",
-  "account.posts": "Posty",
+  "account.posts": "Wpisy",
   "account.report": "Zgłoś @{name}",
   "account.requested": "Oczekująca prośba",
   "account.share": "Udostępnij profil @{name}",
@@ -43,10 +43,10 @@
   "column_header.unpin": "Cofnij przypięcie",
   "column_subheading.navigation": "Nawigacja",
   "column_subheading.settings": "Ustawienia",
-  "compose_form.lock_disclaimer": "Twoje konto nie jest {locked}. Każdy, kto Cię śledzi, może wyświetlać Twoje posty przeznaczone tylko dla śledzących.",
+  "compose_form.lock_disclaimer": "Twoje konto nie jest {locked}. Każdy, kto Cię śledzi, może wyświetlać Twoje wpisy przeznaczone tylko dla śledzących.",
   "compose_form.lock_disclaimer.lock": "zablokowane",
   "compose_form.placeholder": "Co Ci chodzi po głowie?",
-  "compose_form.privacy_disclaimer": "Twój post zostanie dostarczony do użytkowników z {domains}. Czy ufasz {domainsCount, plural, one {temu serwerowi} other {tym serwerom}}? Prywatność postów obowiązuje tylko na instancjach Mastodona. Jeżeli {domains} {domainsCount, plural, one {nie jest instancją Mastodona} other {nie są instancjami Mastodona}}, post może być widoczny dla niewłaściwych osób.",
+  "compose_form.privacy_disclaimer": "Twój wpis zostanie dostarczony do użytkowników z {domains}. Czy ufasz {domainsCount, plural, one {temu serwerowi} other {tym serwerom}}? Prywatność wpisów obowiązuje tylko na instancjach Mastodona. Jeżeli {domains} {domainsCount, plural, one {nie jest instancją Mastodona} other {nie są instancjami Mastodona}}, wpis może być widoczny dla niewłaściwych osób.",
   "compose_form.publish": "Wyślij",
   "compose_form.publish_loud": "{publish}!",
   "compose_form.sensitive": "Oznacz treści jako wrażliwe",
@@ -63,6 +63,8 @@
   "confirmations.mute.message": "Czy na pewno chcesz wyciszyć {name}?",
   "confirmations.unfollow.confirm": "Przestań śledzić",
   "confirmations.unfollow.message": "Czy na pewno zamierzasz przestać śledzić {name}?",
+  "embed.instructions": "Osadź ten status na swojej stronie wklejając poniższy kod.",
+  "embed.preview": "Tak będzie to wyglądać:",
   "emoji_button.activity": "Aktywność",
   "emoji_button.flags": "Flagi",
   "emoji_button.food": "Żywność i napoje",
@@ -70,11 +72,11 @@
   "emoji_button.nature": "Natura",
   "emoji_button.objects": "Objekty",
   "emoji_button.people": "Ludzie",
-  "emoji_button.search": "Szukaj...",
+  "emoji_button.search": "Szukaj…",
   "emoji_button.symbols": "Symbole",
   "emoji_button.travel": "Podróże i miejsca",
   "empty_column.community": "Lokalna oś czasu jest pusta. Napisz coś publicznie, aby zagaić!",
-  "empty_column.hashtag": "Nie ma postów oznaczonych tym hashtagiem. Możesz napisać pierwszy!",
+  "empty_column.hashtag": "Nie ma wpisów oznaczonych tym hashtagiem. Możesz napisać pierwszy!",
   "empty_column.home": "Nie śledzisz nikogo. Odwiedź publiczną oś czasu lub użyj wyszukiwarki, aby znaleźć interesujące Cię profile.",
   "empty_column.home.inactivity": "Strumień jest pusty. Jeżeli nie było Cię tu ostatnio, zostanie on wypełniony wkrótce.",
   "empty_column.home.public_timeline": "publiczna oś czasu",
@@ -85,7 +87,7 @@
   "getting_started.appsshort": "Aplikacje",
   "getting_started.faq": "FAQ",
   "getting_started.heading": "Naucz się korzystać",
-  "getting_started.open_source_notice": "Mastodon jest oprogramowaniem o otwartym źródle. Możesz pomóc w rozwoju lub zgłaszać błędy na GitHubie tutaj {github}.",
+  "getting_started.open_source_notice": "Mastodon jest oprogramowaniem o otwartym źródle. Możesz pomóc w rozwoju lub zgłaszać błędy na GitHubie tutaj: {github}.",
   "getting_started.userguide": "Podręcznik użytkownika",
   "home.column_settings.advanced": "Zaawansowane",
   "home.column_settings.basic": "Podstawowe",
@@ -96,7 +98,7 @@
   "lightbox.close": "Zamknij",
   "lightbox.next": "Następne",
   "lightbox.previous": "Poprzednie",
-  "loading_indicator.label": "Ładowanie...",
+  "loading_indicator.label": "Ładowanie…",
   "media_gallery.toggle_visible": "Przełącz widoczność",
   "missing_indicator.label": "Nie znaleziono",
   "navigation_bar.blocks": "Zablokowani użytkownicy",
@@ -116,12 +118,12 @@
   "notifications.clear": "Wyczyść powiadomienia",
   "notifications.clear_confirmation": "Czy na pewno chcesz bezpowrotnie usunąć wszystkie powiadomienia?",
   "notifications.column_settings.alert": "Powiadomienia na pulpicie",
-  "notifications.column_settings.favourite": "Ulubione:",
+  "notifications.column_settings.favourite": "Dodanie do ulubionych:",
   "notifications.column_settings.follow": "Nowi śledzący:",
-  "notifications.column_settings.mention": "Wspomniali:",
+  "notifications.column_settings.mention": "Wspomnienia:",
   "notifications.column_settings.push": "Powiadomienia push",
   "notifications.column_settings.push_meta": "To urządzenie",
-  "notifications.column_settings.reblog": "Podbili:",
+  "notifications.column_settings.reblog": "Podbicia:",
   "notifications.column_settings.show": "Pokaż w kolumnie",
   "notifications.column_settings.sound": "Odtwarzaj dźwięk",
   "onboarding.done": "Gotowe",
@@ -142,15 +144,15 @@
   "onboarding.page_six.various_app": "aplikacje mobilne",
   "onboarding.page_three.profile": "Edytuj profil, aby zmienić obraz profilowy, biografię, wyświetlaną nazwę i inne ustawienia.",
   "onboarding.page_three.search": "Użyj paska wyszukiwania aby znaleźć ludzi i hashtagi, takie jak {illustration} i {introductions}. Aby znaleźć osobę spoza tej instancji, musisz użyć pełnego adresu.",
-  "onboarding.page_two.compose": "Napisz posty, aby wypełnić kolumnę. Możesz wysłać zdjęcia, zmienić ustawienia prywatności lub dodać ostrzeżenie o zawartości.",
+  "onboarding.page_two.compose": "Utwórz wpisy, aby wypełnić kolumnę. Możesz wysłać zdjęcia, zmienić ustawienia prywatności lub dodać ostrzeżenie o zawartości.",
   "onboarding.skip": "Pomiń",
-  "privacy.change": "Dostosuj widoczność postów",
-  "privacy.direct.long": "Widoczne tylko dla oznaczonych",
+  "privacy.change": "Dostosuj widoczność wpisów",
+  "privacy.direct.long": "Widoczny tylko dla wspomnianych",
   "privacy.direct.short": "Bezpośrednio",
-  "privacy.private.long": "Widoczne tylko dla śledzących",
-  "privacy.private.short": "Tylko śledzący",
-  "privacy.public.long": "Widoczne na publicznych osiach czasu",
-  "privacy.public.short": "Publiczne",
+  "privacy.private.long": "Widoczny tylko dla osób, które Cię śledzą",
+  "privacy.private.short": "Tylko dla śledzących",
+  "privacy.public.long": "Widoczny na publicznych osiach czasu",
+  "privacy.public.short": "Publiczny",
   "privacy.unlisted.long": "Niewidoczne na publicznych osiach czasu",
   "privacy.unlisted.short": "Niewidoczne",
   "reply_indicator.cancel": "Anuluj",
@@ -160,14 +162,16 @@
   "search.placeholder": "Szukaj",
   "search_results.total": "{count, number} {count, plural, one {wynik} more {wyniki}}",
   "standalone.public_title": "Spojrzenie w głąb…",
-  "status.cannot_reblog": "Ten post nie może zostać podbity",
+  "status.cannot_reblog": "Ten wpis nie może zostać podbity",
   "status.delete": "Usuń",
+  "status.embed": "Osadź",
   "status.favourite": "Ulubione",
   "status.load_more": "Załaduj więcej",
   "status.media_hidden": "Zawartość multimedialna ukryta",
   "status.mention": "Wspomnij o @{name}",
   "status.mute_conversation": "Wycisz konwersację",
   "status.open": "Rozszerz ten status",
+  "status.pin": "Przypnij do profilu",
   "status.reblog": "Podbij",
   "status.reblogged_by": "{name} podbił",
   "status.reply": "Odpowiedz",
@@ -179,6 +183,7 @@
   "status.show_less": "Pokaż mniej",
   "status.show_more": "Pokaż więcej",
   "status.unmute_conversation": "Cofnij wyciszenie konwersacji",
+  "status.unpin": "Odepnij z profilu",
   "tabs_bar.compose": "Napisz",
   "tabs_bar.federated_timeline": "Globalne",
   "tabs_bar.home": "Strona główna",
diff --git a/app/javascript/mastodon/locales/pt-BR.json b/app/javascript/mastodon/locales/pt-BR.json
index 55d2f05de..e861bf73f 100644
--- a/app/javascript/mastodon/locales/pt-BR.json
+++ b/app/javascript/mastodon/locales/pt-BR.json
@@ -1,68 +1,70 @@
 {
   "account.block": "Bloquear @{name}",
-  "account.block_domain": "Hide everything from {domain}",
-  "account.disclaimer_full": "Information below may reflect the user's profile incompletely.",
+  "account.block_domain": "Esconder tudo de {domain}",
+  "account.disclaimer_full": "As informações abaixo podem refletir o perfil do usuário de maneira incompleta.",
   "account.edit_profile": "Editar perfil",
   "account.follow": "Seguir",
   "account.followers": "Seguidores",
   "account.follows": "Segue",
-  "account.follows_you": "É teu seguidor",
-  "account.media": "Media",
+  "account.follows_you": "É seu seguidor",
+  "account.media": "Mídia",
   "account.mention": "Mencionar @{name}",
   "account.mute": "Silenciar @{name}",
   "account.posts": "Posts",
   "account.report": "Denunciar @{name}",
-  "account.requested": "A aguardar aprovação",
-  "account.share": "Share @{name}'s profile",
+  "account.requested": "Aguardando aprovação",
+  "account.share": "Compartilhar perfil de @{name}",
   "account.unblock": "Não bloquear @{name}",
-  "account.unblock_domain": "Unhide {domain}",
+  "account.unblock_domain": "Desbloquear {domain}",
   "account.unfollow": "Deixar de seguir",
   "account.unmute": "Não silenciar @{name}",
-  "account.view_full_profile": "View full profile",
+  "account.view_full_profile": "Ver perfil completo",
   "boost_modal.combo": "Pode clicar {combo} para não voltar a ver",
   "bundle_column_error.body": "Something went wrong while loading this component.",
-  "bundle_column_error.retry": "Try again",
+  "bundle_column_error.retry": "Tente novamente",
   "bundle_column_error.title": "Network error",
-  "bundle_modal_error.close": "Close",
+  "bundle_modal_error.close": "Fechar",
   "bundle_modal_error.message": "Something went wrong while loading this component.",
-  "bundle_modal_error.retry": "Try again",
-  "column.blocks": "Utilizadores Bloqueados",
+  "bundle_modal_error.retry": "Tente novamente",
+  "column.blocks": "Usuários bloqueados",
   "column.community": "Local",
   "column.favourites": "Favoritos",
-  "column.follow_requests": "Seguidores Pendentes",
-  "column.home": "Home",
-  "column.mutes": "Utilizadores silenciados",
+  "column.follow_requests": "Seguidores pendentes",
+  "column.home": "Página inicial",
+  "column.mutes": "Usuários silenciados",
   "column.notifications": "Notificações",
   "column.public": "Global",
   "column_back_button.label": "Voltar",
-  "column_header.hide_settings": "Hide settings",
-  "column_header.moveLeft_settings": "Move column to the left",
-  "column_header.moveRight_settings": "Move column to the right",
-  "column_header.pin": "Pin",
-  "column_header.show_settings": "Show settings",
-  "column_header.unpin": "Unpin",
-  "column_subheading.navigation": "Navigation",
-  "column_subheading.settings": "Settings",
-  "compose_form.lock_disclaimer": "Your account is not {locked}. Anyone can follow you to view your follower-only posts.",
+  "column_header.hide_settings": "Esconder configurações",
+  "column_header.moveLeft_settings": "Mover coluna para a esquerda",
+  "column_header.moveRight_settings": "Mover coluna para a direita",
+  "column_header.pin": "Fixar",
+  "column_header.show_settings": "Mostrar configurações",
+  "column_header.unpin": "Desafixar",
+  "column_subheading.navigation": "Navegação",
+  "column_subheading.settings": "Configurações",
+  "compose_form.lock_disclaimer": "A sua conta não está {locked}. Qualquer pessoa pode te seguir e visualizar as suas postagens só para seguidores.",
   "compose_form.lock_disclaimer.lock": "locked",
-  "compose_form.placeholder": "Em que estás a pensar?",
-  "compose_form.privacy_disclaimer": "O teu conteúdo privado vai ser partilhado com os utilizadores do {domains}. Confias {domainsCount, plural, one {neste servidor} other {nestes servidores}}? A privacidade só funciona em instâncias do Mastodon. Se {domains} {domainsCount, plural, one {não é uma instância} other {não são instâncias}}, não existem indicadores da privacidade da tua partilha, e podem ser partilhados com outros.",
+  "compose_form.placeholder": "No que você está pensando?",
+  "compose_form.privacy_disclaimer": "O seu conteúdo privado será compartilhado com os usuários do {domains}. Você confia {domainsCount, plural, one {neste servidor} other {nestes servidores}}? As configurações de privacidade só funcionam em instâncias do Mastodon. Se {domains} {domainsCount, plural, one {não é uma instância} other {não são instâncias}}, não há como garantir a privacidade de suas postagens, e elas podem ser compartilhadas com outros.",
   "compose_form.publish": "Publicar",
   "compose_form.publish_loud": "{publish}!",
-  "compose_form.sensitive": "Marcar media como conteúdo sensível",
+  "compose_form.sensitive": "Marcar mídia como conteúdo sensível",
   "compose_form.spoiler": "Esconder texto com aviso",
   "compose_form.spoiler_placeholder": "Aviso de conteúdo",
-  "confirmation_modal.cancel": "Cancel",
-  "confirmations.block.confirm": "Block",
-  "confirmations.block.message": "Are you sure you want to block {name}?",
-  "confirmations.delete.confirm": "Delete",
-  "confirmations.delete.message": "Are you sure you want to delete this status?",
-  "confirmations.domain_block.confirm": "Hide entire domain",
-  "confirmations.domain_block.message": "Are you really, really sure you want to block the entire {domain}? In most cases a few targeted blocks or mutes are sufficient and preferable.",
-  "confirmations.mute.confirm": "Mute",
-  "confirmations.mute.message": "Are you sure you want to mute {name}?",
-  "confirmations.unfollow.confirm": "Unfollow",
-  "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
+  "confirmation_modal.cancel": "Cancelar",
+  "confirmations.block.confirm": "Bloquear",
+  "confirmations.block.message": "Você tem certeza de que quer bloquear {name}?",
+  "confirmations.delete.confirm": "Excluir",
+  "confirmations.delete.message": "Você tem certeza de que quer excluir este status?",
+  "confirmations.domain_block.confirm": "Esconder o domínio inteiro",
+  "confirmations.domain_block.message": "Você quer mesmo bloquear {domain} inteiro? Na maioria dos casos, silenciar ou bloquear alguns usuários é o suficiente e o recomendado.",
+  "confirmations.mute.confirm": "Silenciar",
+  "confirmations.mute.message": "Você tem certeza de que quer silenciar {name}?",
+  "confirmations.unfollow.confirm": "Deixar de seguir",
+  "confirmations.unfollow.message": "Você tem certeza de que quer deixar de seguir {name}?",
+  "embed.instructions": "Embed this status on your website by copying the code below.",
+  "embed.preview": "Here is what it will look like:",
   "emoji_button.activity": "Activity",
   "emoji_button.flags": "Flags",
   "emoji_button.food": "Food & Drink",
@@ -162,12 +164,14 @@
   "standalone.public_title": "A look inside...",
   "status.cannot_reblog": "This post cannot be boosted",
   "status.delete": "Eliminar",
+  "status.embed": "Embed",
   "status.favourite": "Adicionar aos favoritos",
   "status.load_more": "Carregar mais",
   "status.media_hidden": "Media escondida",
   "status.mention": "Mencionar @{name}",
   "status.mute_conversation": "Mute conversation",
   "status.open": "Expandir",
+  "status.pin": "Pin on profile",
   "status.reblog": "Partilhar",
   "status.reblogged_by": "{name} partilhou",
   "status.reply": "Responder",
@@ -179,6 +183,7 @@
   "status.show_less": "Mostrar menos",
   "status.show_more": "Mostrar mais",
   "status.unmute_conversation": "Unmute conversation",
+  "status.unpin": "Unpin from profile",
   "tabs_bar.compose": "Criar",
   "tabs_bar.federated_timeline": "Global",
   "tabs_bar.home": "Home",
diff --git a/app/javascript/mastodon/locales/pt.json b/app/javascript/mastodon/locales/pt.json
index 55d2f05de..f9e686411 100644
--- a/app/javascript/mastodon/locales/pt.json
+++ b/app/javascript/mastodon/locales/pt.json
@@ -63,6 +63,8 @@
   "confirmations.mute.message": "Are you sure you want to mute {name}?",
   "confirmations.unfollow.confirm": "Unfollow",
   "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
+  "embed.instructions": "Embed this status on your website by copying the code below.",
+  "embed.preview": "Here is what it will look like:",
   "emoji_button.activity": "Activity",
   "emoji_button.flags": "Flags",
   "emoji_button.food": "Food & Drink",
@@ -162,12 +164,14 @@
   "standalone.public_title": "A look inside...",
   "status.cannot_reblog": "This post cannot be boosted",
   "status.delete": "Eliminar",
+  "status.embed": "Embed",
   "status.favourite": "Adicionar aos favoritos",
   "status.load_more": "Carregar mais",
   "status.media_hidden": "Media escondida",
   "status.mention": "Mencionar @{name}",
   "status.mute_conversation": "Mute conversation",
   "status.open": "Expandir",
+  "status.pin": "Pin on profile",
   "status.reblog": "Partilhar",
   "status.reblogged_by": "{name} partilhou",
   "status.reply": "Responder",
@@ -179,6 +183,7 @@
   "status.show_less": "Mostrar menos",
   "status.show_more": "Mostrar mais",
   "status.unmute_conversation": "Unmute conversation",
+  "status.unpin": "Unpin from profile",
   "tabs_bar.compose": "Criar",
   "tabs_bar.federated_timeline": "Global",
   "tabs_bar.home": "Home",
diff --git a/app/javascript/mastodon/locales/ru.json b/app/javascript/mastodon/locales/ru.json
index 1abfb4370..0f78f4b17 100644
--- a/app/javascript/mastodon/locales/ru.json
+++ b/app/javascript/mastodon/locales/ru.json
@@ -1,7 +1,7 @@
 {
   "account.block": "Блокировать",
   "account.block_domain": "Блокировать все с {domain}",
-  "account.disclaimer_full": "Information below may reflect the user's profile incompletely.",
+  "account.disclaimer_full": "Нижеуказанная информация может не полностью отражать профиль пользователя.",
   "account.edit_profile": "Изменить профиль",
   "account.follow": "Подписаться",
   "account.followers": "Подписаны",
@@ -13,19 +13,19 @@
   "account.posts": "Посты",
   "account.report": "Пожаловаться",
   "account.requested": "Ожидает подтверждения",
-  "account.share": "Share @{name}'s profile",
+  "account.share": "Поделиться профилем @{name}",
   "account.unblock": "Разблокировать",
   "account.unblock_domain": "Разблокировать {domain}",
   "account.unfollow": "Отписаться",
   "account.unmute": "Снять глушение",
-  "account.view_full_profile": "View full profile",
+  "account.view_full_profile": "Показать полный профиль",
   "boost_modal.combo": "Нажмите {combo}, чтобы пропустить это в следующий раз",
-  "bundle_column_error.body": "Something went wrong while loading this component.",
-  "bundle_column_error.retry": "Try again",
-  "bundle_column_error.title": "Network error",
-  "bundle_modal_error.close": "Close",
-  "bundle_modal_error.message": "Something went wrong while loading this component.",
-  "bundle_modal_error.retry": "Try again",
+  "bundle_column_error.body": "Что-то пошло не так при загрузке этого компонента.",
+  "bundle_column_error.retry": "Попробовать снова",
+  "bundle_column_error.title": "Ошибка сети",
+  "bundle_modal_error.close": "Закрыть",
+  "bundle_modal_error.message": "Что-то пошло не так при загрузке этого компонента.",
+  "bundle_modal_error.retry": "Попробовать снова",
   "column.blocks": "Список блокировки",
   "column.community": "Локальная лента",
   "column.favourites": "Понравившееся",
@@ -35,11 +35,11 @@
   "column.notifications": "Уведомления",
   "column.public": "Глобальная лента",
   "column_back_button.label": "Назад",
-  "column_header.hide_settings": "Hide settings",
-  "column_header.moveLeft_settings": "Move column to the left",
-  "column_header.moveRight_settings": "Move column to the right",
+  "column_header.hide_settings": "Скрыть настройки",
+  "column_header.moveLeft_settings": "Передвинуть колонку влево",
+  "column_header.moveRight_settings": "Передвинуть колонку вправо",
   "column_header.pin": "Закрепить",
-  "column_header.show_settings": "Show settings",
+  "column_header.show_settings": "Показать настройки",
   "column_header.unpin": "Открепить",
   "column_subheading.navigation": "Навигация",
   "column_subheading.settings": "Настройки",
@@ -61,8 +61,10 @@
   "confirmations.domain_block.message": "Вы на самом деле уверены, что хотите блокировать весь {domain}? В большинстве случаев нескольких отдельных блокировок или глушений достаточно.",
   "confirmations.mute.confirm": "Заглушить",
   "confirmations.mute.message": "Вы уверены, что хотите заглушить {name}?",
-  "confirmations.unfollow.confirm": "Unfollow",
-  "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
+  "confirmations.unfollow.confirm": "Отписаться",
+  "confirmations.unfollow.message": "Вы уверены, что хотите отписаться от {name}?",
+  "embed.instructions": "Embed this status on your website by copying the code below.",
+  "embed.preview": "Here is what it will look like:",
   "emoji_button.activity": "Занятия",
   "emoji_button.flags": "Флаги",
   "emoji_button.food": "Еда и напитки",
@@ -94,8 +96,8 @@
   "home.column_settings.show_replies": "Показывать ответы",
   "home.settings": "Настройки колонки",
   "lightbox.close": "Закрыть",
-  "lightbox.next": "Next",
-  "lightbox.previous": "Previous",
+  "lightbox.next": "Далее",
+  "lightbox.previous": "Назад",
   "loading_indicator.label": "Загрузка...",
   "media_gallery.toggle_visible": "Показать/скрыть",
   "missing_indicator.label": "Не найдено",
@@ -119,8 +121,8 @@
   "notifications.column_settings.favourite": "Нравится:",
   "notifications.column_settings.follow": "Новые подписчики:",
   "notifications.column_settings.mention": "Упоминания:",
-  "notifications.column_settings.push": "Push notifications",
-  "notifications.column_settings.push_meta": "This device",
+  "notifications.column_settings.push": "Push-уведомления",
+  "notifications.column_settings.push_meta": "Это устройство",
   "notifications.column_settings.reblog": "Продвижения:",
   "notifications.column_settings.show": "Показывать в колонке",
   "notifications.column_settings.sound": "Проигрывать звук",
@@ -162,12 +164,14 @@
   "standalone.public_title": "A look inside...",
   "status.cannot_reblog": "Этот статус не может быть продвинут",
   "status.delete": "Удалить",
+  "status.embed": "Embed",
   "status.favourite": "Нравится",
   "status.load_more": "Показать еще",
   "status.media_hidden": "Медиаконтент скрыт",
   "status.mention": "Упомянуть @{name}",
   "status.mute_conversation": "Заглушить тред",
   "status.open": "Развернуть статус",
+  "status.pin": "Pin on profile",
   "status.reblog": "Продвинуть",
   "status.reblogged_by": "{name} продвинул(а)",
   "status.reply": "Ответить",
@@ -179,6 +183,7 @@
   "status.show_less": "Свернуть",
   "status.show_more": "Развернуть",
   "status.unmute_conversation": "Снять глушение с треда",
+  "status.unpin": "Unpin from profile",
   "tabs_bar.compose": "Написать",
   "tabs_bar.federated_timeline": "Глобальная",
   "tabs_bar.home": "Главная",
diff --git a/app/javascript/mastodon/locales/th.json b/app/javascript/mastodon/locales/th.json
index aa0929f82..069fdf7c3 100644
--- a/app/javascript/mastodon/locales/th.json
+++ b/app/javascript/mastodon/locales/th.json
@@ -63,6 +63,8 @@
   "confirmations.mute.message": "Are you sure you want to mute {name}?",
   "confirmations.unfollow.confirm": "Unfollow",
   "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
+  "embed.instructions": "Embed this status on your website by copying the code below.",
+  "embed.preview": "Here is what it will look like:",
   "emoji_button.activity": "Activity",
   "emoji_button.flags": "Flags",
   "emoji_button.food": "Food & Drink",
@@ -162,12 +164,14 @@
   "standalone.public_title": "A look inside...",
   "status.cannot_reblog": "This post cannot be boosted",
   "status.delete": "Delete",
+  "status.embed": "Embed",
   "status.favourite": "Favourite",
   "status.load_more": "Load more",
   "status.media_hidden": "Media hidden",
   "status.mention": "Mention @{name}",
   "status.mute_conversation": "Mute conversation",
   "status.open": "Expand this status",
+  "status.pin": "Pin on profile",
   "status.reblog": "Boost",
   "status.reblogged_by": "{name} boosted",
   "status.reply": "Reply",
@@ -179,6 +183,7 @@
   "status.show_less": "Show less",
   "status.show_more": "Show more",
   "status.unmute_conversation": "Unmute conversation",
+  "status.unpin": "Unpin from profile",
   "tabs_bar.compose": "Compose",
   "tabs_bar.federated_timeline": "Federated",
   "tabs_bar.home": "Home",
diff --git a/app/javascript/mastodon/locales/tr.json b/app/javascript/mastodon/locales/tr.json
index 37ce8597e..8a36bd207 100644
--- a/app/javascript/mastodon/locales/tr.json
+++ b/app/javascript/mastodon/locales/tr.json
@@ -63,6 +63,8 @@
   "confirmations.mute.message": "{name} kullanıcısını sessize almak istiyor musunuz?",
   "confirmations.unfollow.confirm": "Unfollow",
   "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
+  "embed.instructions": "Embed this status on your website by copying the code below.",
+  "embed.preview": "Here is what it will look like:",
   "emoji_button.activity": "Aktivite",
   "emoji_button.flags": "Bayraklar",
   "emoji_button.food": "Yiyecek ve İçecek",
@@ -162,12 +164,14 @@
   "standalone.public_title": "A look inside...",
   "status.cannot_reblog": "Bu gönderi boost edilemez",
   "status.delete": "Sil",
+  "status.embed": "Embed",
   "status.favourite": "Favorilere ekle",
   "status.load_more": "Daha fazla",
   "status.media_hidden": "Gizli görsel",
   "status.mention": "Bahset @{name}",
   "status.mute_conversation": "Mute conversation",
   "status.open": "Bu gönderiyi genişlet",
+  "status.pin": "Pin on profile",
   "status.reblog": "Boost'la",
   "status.reblogged_by": "{name} boost etti",
   "status.reply": "Cevapla",
@@ -179,6 +183,7 @@
   "status.show_less": "Daha azı",
   "status.show_more": "Daha fazlası",
   "status.unmute_conversation": "Unmute conversation",
+  "status.unpin": "Unpin from profile",
   "tabs_bar.compose": "Oluştur",
   "tabs_bar.federated_timeline": "Federe",
   "tabs_bar.home": "Ana sayfa",
diff --git a/app/javascript/mastodon/locales/uk.json b/app/javascript/mastodon/locales/uk.json
index fea7bd94e..1d06218e6 100644
--- a/app/javascript/mastodon/locales/uk.json
+++ b/app/javascript/mastodon/locales/uk.json
@@ -63,6 +63,8 @@
   "confirmations.mute.message": "Ви впевнені, що хочете заглушити {name}?",
   "confirmations.unfollow.confirm": "Unfollow",
   "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
+  "embed.instructions": "Embed this status on your website by copying the code below.",
+  "embed.preview": "Here is what it will look like:",
   "emoji_button.activity": "Заняття",
   "emoji_button.flags": "Прапори",
   "emoji_button.food": "Їжа та напої",
@@ -162,12 +164,14 @@
   "standalone.public_title": "A look inside...",
   "status.cannot_reblog": "Цей допис не може бути передмухнутий",
   "status.delete": "Видалити",
+  "status.embed": "Embed",
   "status.favourite": "Подобається",
   "status.load_more": "Завантажити більше",
   "status.media_hidden": "Медіаконтент приховано",
   "status.mention": "Згадати",
   "status.mute_conversation": "Заглушити діалог",
   "status.open": "Розгорнути допис",
+  "status.pin": "Pin on profile",
   "status.reblog": "Передмухнути",
   "status.reblogged_by": "{name} передмухнув(-ла)",
   "status.reply": "Відповісти",
@@ -179,6 +183,7 @@
   "status.show_less": "Згорнути",
   "status.show_more": "Розгорнути",
   "status.unmute_conversation": "Зняти глушення з діалогу",
+  "status.unpin": "Unpin from profile",
   "tabs_bar.compose": "Написати",
   "tabs_bar.federated_timeline": "Глобальна",
   "tabs_bar.home": "Головна",
diff --git a/app/javascript/mastodon/locales/zh-CN.json b/app/javascript/mastodon/locales/zh-CN.json
index d0c4b3d1b..93faf8876 100644
--- a/app/javascript/mastodon/locales/zh-CN.json
+++ b/app/javascript/mastodon/locales/zh-CN.json
@@ -5,7 +5,7 @@
   "account.edit_profile": "修改个人资料",
   "account.follow": "关注",
   "account.followers": "关注者",
-  "account.follows": "正关注",
+  "account.follows": "正在关注",
   "account.follows_you": "关注你",
   "account.media": "Media",
   "account.mention": "提及 @{name}",
@@ -13,19 +13,19 @@
   "account.posts": "嘟文",
   "account.report": "举报 @{name}",
   "account.requested": "等待审批",
-  "account.share": "Share @{name}'s profile",
+  "account.share": "分享 @{name}的个人资料",
   "account.unblock": "解除对 @{name} 的屏蔽",
-  "account.unblock_domain": "Unhide {domain}",
+  "account.unblock_domain": "解除封锁 {domain}",
   "account.unfollow": "取消关注",
   "account.unmute": "取消 @{name} 的静音",
-  "account.view_full_profile": "View full profile",
+  "account.view_full_profile": "查看完整资料",
   "boost_modal.combo": "如你想在下次路过时显示,请按{combo},",
-  "bundle_column_error.body": "Something went wrong while loading this component.",
-  "bundle_column_error.retry": "Try again",
-  "bundle_column_error.title": "Network error",
-  "bundle_modal_error.close": "Close",
-  "bundle_modal_error.message": "Something went wrong while loading this component.",
-  "bundle_modal_error.retry": "Try again",
+  "bundle_column_error.body": "载入组件出错。",
+  "bundle_column_error.retry": "再次尝试",
+  "bundle_column_error.title": "网络错误",
+  "bundle_modal_error.close": "关闭",
+  "bundle_modal_error.message": "载入组件出错。",
+  "bundle_modal_error.retry": "再次尝试",
   "column.blocks": "屏蔽用户",
   "column.community": "本站时间轴",
   "column.favourites": "赞过的嘟文",
@@ -34,7 +34,7 @@
   "column.mutes": "被静音的用户",
   "column.notifications": "通知",
   "column.public": "跨站公共时间轴",
-  "column_back_button.label": "Back",
+  "column_back_button.label": "返回",
   "column_header.hide_settings": "Hide settings",
   "column_header.moveLeft_settings": "Move column to the left",
   "column_header.moveRight_settings": "Move column to the right",
@@ -61,8 +61,10 @@
   "confirmations.domain_block.message": "Are you really, really sure you want to block the entire {domain}? In most cases a few targeted blocks or mutes are sufficient and preferable.",
   "confirmations.mute.confirm": "静音",
   "confirmations.mute.message": "想好了,真的要静音 {name}?",
-  "confirmations.unfollow.confirm": "Unfollow",
-  "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
+  "confirmations.unfollow.confirm": "取消关注",
+  "confirmations.unfollow.message": "确定要取消关注 {name}吗?",
+  "embed.instructions": "Embed this status on your website by copying the code below.",
+  "embed.preview": "Here is what it will look like:",
   "emoji_button.activity": "活动",
   "emoji_button.flags": "旗帜",
   "emoji_button.food": "食物和饮料",
@@ -86,7 +88,7 @@
   "getting_started.faq": "FAQ",
   "getting_started.heading": "开始使用",
   "getting_started.open_source_notice": "Mastodon 是一个开放源码的软件。你可以在官方 GitHub ({github}) 贡献或者回报问题。",
-  "getting_started.userguide": "User Guide",
+  "getting_started.userguide": "用户指南",
   "home.column_settings.advanced": "高端",
   "home.column_settings.basic": "基本",
   "home.column_settings.filter_regex": "使用正则表达式 (regex) 过滤",
@@ -162,12 +164,14 @@
   "standalone.public_title": "A look inside...",
   "status.cannot_reblog": "没法转嘟这条嘟文啦……",
   "status.delete": "删除",
+  "status.embed": "Embed",
   "status.favourite": "赞",
   "status.load_more": "加载更多",
   "status.media_hidden": "隐藏媒体内容",
   "status.mention": "提及 @{name}",
   "status.mute_conversation": "Mute conversation",
   "status.open": "展开嘟文",
+  "status.pin": "Pin on profile",
   "status.reblog": "转嘟",
   "status.reblogged_by": "{name} 转嘟",
   "status.reply": "回应",
@@ -179,6 +183,7 @@
   "status.show_less": "减少显示",
   "status.show_more": "显示更多",
   "status.unmute_conversation": "Unmute conversation",
+  "status.unpin": "Unpin from profile",
   "tabs_bar.compose": "撰写",
   "tabs_bar.federated_timeline": "跨站",
   "tabs_bar.home": "主页",
diff --git a/app/javascript/mastodon/locales/zh-HK.json b/app/javascript/mastodon/locales/zh-HK.json
index 7312aae82..d689cd5ae 100644
--- a/app/javascript/mastodon/locales/zh-HK.json
+++ b/app/javascript/mastodon/locales/zh-HK.json
@@ -63,6 +63,8 @@
   "confirmations.mute.message": "你確定要將{name}靜音嗎?",
   "confirmations.unfollow.confirm": "Unfollow",
   "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
+  "embed.instructions": "Embed this status on your website by copying the code below.",
+  "embed.preview": "Here is what it will look like:",
   "emoji_button.activity": "活動",
   "emoji_button.flags": "旗幟",
   "emoji_button.food": "飲飲食食",
@@ -162,12 +164,14 @@
   "standalone.public_title": "A look inside...",
   "status.cannot_reblog": "這篇文章無法被轉推",
   "status.delete": "刪除",
+  "status.embed": "Embed",
   "status.favourite": "喜歡",
   "status.load_more": "載入更多",
   "status.media_hidden": "隱藏媒體內容",
   "status.mention": "提及 @{name}",
   "status.mute_conversation": "Mute conversation",
   "status.open": "展開文章",
+  "status.pin": "Pin on profile",
   "status.reblog": "轉推",
   "status.reblogged_by": "{name} 轉推",
   "status.reply": "回應",
@@ -179,6 +183,7 @@
   "status.show_less": "減少顯示",
   "status.show_more": "顯示更多",
   "status.unmute_conversation": "Unmute conversation",
+  "status.unpin": "Unpin from profile",
   "tabs_bar.compose": "撰寫",
   "tabs_bar.federated_timeline": "跨站",
   "tabs_bar.home": "主頁",
diff --git a/app/javascript/mastodon/locales/zh-TW.json b/app/javascript/mastodon/locales/zh-TW.json
index 1c2e35272..dcb9d7f3c 100644
--- a/app/javascript/mastodon/locales/zh-TW.json
+++ b/app/javascript/mastodon/locales/zh-TW.json
@@ -63,6 +63,8 @@
   "confirmations.mute.message": "你確定要消音 {name} ?",
   "confirmations.unfollow.confirm": "Unfollow",
   "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
+  "embed.instructions": "Embed this status on your website by copying the code below.",
+  "embed.preview": "Here is what it will look like:",
   "emoji_button.activity": "活動",
   "emoji_button.flags": "旗幟",
   "emoji_button.food": "食物與飲料",
@@ -162,12 +164,14 @@
   "standalone.public_title": "A look inside...",
   "status.cannot_reblog": "此貼文無法轉推",
   "status.delete": "刪除",
+  "status.embed": "Embed",
   "status.favourite": "喜愛",
   "status.load_more": "載入更多",
   "status.media_hidden": "媒體已隱藏",
   "status.mention": "提到 @{name}",
   "status.mute_conversation": "消音對話",
   "status.open": "展開這個狀態",
+  "status.pin": "Pin on profile",
   "status.reblog": "轉推",
   "status.reblogged_by": "{name} 轉推了",
   "status.reply": "回應",
@@ -179,6 +183,7 @@
   "status.show_less": "看少點",
   "status.show_more": "看更多",
   "status.unmute_conversation": "不消音對話",
+  "status.unpin": "Unpin from profile",
   "tabs_bar.compose": "編輯",
   "tabs_bar.federated_timeline": "聯盟",
   "tabs_bar.home": "家",
diff --git a/app/javascript/mastodon/reducers/compose.js b/app/javascript/mastodon/reducers/compose.js
index 07207c93b..e7a3567b4 100644
--- a/app/javascript/mastodon/reducers/compose.js
+++ b/app/javascript/mastodon/reducers/compose.js
@@ -149,10 +149,20 @@ const privacyPreference = (a, b) => {
   }
 };
 
+const hydrate = (state, hydratedState) => {
+  state = clearAll(state.merge(hydratedState));
+
+  if (hydratedState.has('text')) {
+    state = state.set('text', hydratedState.get('text'));
+  }
+
+  return state;
+};
+
 export default function compose(state = initialState, action) {
   switch(action.type) {
   case STORE_HYDRATE:
-    return clearAll(state.merge(action.state.get('compose')));
+    return hydrate(state, action.state.get('compose'));
   case COMPOSE_MOUNT:
     return state.set('mounted', true);
   case COMPOSE_UNMOUNT:
diff --git a/app/javascript/mastodon/reducers/status_lists.js b/app/javascript/mastodon/reducers/status_lists.js
index bbc973302..2ce27a454 100644
--- a/app/javascript/mastodon/reducers/status_lists.js
+++ b/app/javascript/mastodon/reducers/status_lists.js
@@ -3,6 +3,10 @@ import {
   FAVOURITED_STATUSES_EXPAND_SUCCESS,
 } from '../actions/favourites';
 import { Map as ImmutableMap, List as ImmutableList } from 'immutable';
+import {
+  FAVOURITE_SUCCESS,
+  UNFAVOURITE_SUCCESS,
+} from '../actions/interactions';
 
 const initialState = ImmutableMap({
   favourites: ImmutableMap({
@@ -27,12 +31,28 @@ const appendToList = (state, listType, statuses, next) => {
   }));
 };
 
+const prependOneToList = (state, listType, status) => {
+  return state.update(listType, listMap => listMap.withMutations(map => {
+    map.set('items', map.get('items').unshift(status.get('id')));
+  }));
+};
+
+const removeOneFromList = (state, listType, status) => {
+  return state.update(listType, listMap => listMap.withMutations(map => {
+    map.set('items', map.get('items').filter(item => item !== status.get('id')));
+  }));
+};
+
 export default function statusLists(state = initialState, action) {
   switch(action.type) {
   case FAVOURITED_STATUSES_FETCH_SUCCESS:
     return normalizeList(state, 'favourites', action.statuses, action.next);
   case FAVOURITED_STATUSES_EXPAND_SUCCESS:
     return appendToList(state, 'favourites', action.statuses, action.next);
+  case FAVOURITE_SUCCESS:
+    return prependOneToList(state, 'favourites', action.status);
+  case UNFAVOURITE_SUCCESS:
+    return removeOneFromList(state, 'favourites', action.status);
   default:
     return state;
   }
diff --git a/app/javascript/mastodon/reducers/statuses.js b/app/javascript/mastodon/reducers/statuses.js
index 3e40b0b42..38691dc43 100644
--- a/app/javascript/mastodon/reducers/statuses.js
+++ b/app/javascript/mastodon/reducers/statuses.js
@@ -7,6 +7,8 @@ import {
   FAVOURITE_SUCCESS,
   FAVOURITE_FAIL,
   UNFAVOURITE_SUCCESS,
+  PIN_SUCCESS,
+  UNPIN_SUCCESS,
 } from '../actions/interactions';
 import {
   STATUS_FETCH_SUCCESS,
@@ -114,6 +116,8 @@ export default function statuses(state = initialState, action) {
   case UNREBLOG_SUCCESS:
   case FAVOURITE_SUCCESS:
   case UNFAVOURITE_SUCCESS:
+  case PIN_SUCCESS:
+  case UNPIN_SUCCESS:
     return normalizeStatus(state, action.response);
   case FAVOURITE_REQUEST:
     return state.setIn([action.status.get('id'), 'favourited'], true);
diff --git a/app/javascript/mastodon/scroll.js b/app/javascript/mastodon/scroll.js
index 44f95b17f..2af07e0fb 100644
--- a/app/javascript/mastodon/scroll.js
+++ b/app/javascript/mastodon/scroll.js
@@ -26,5 +26,5 @@ const scroll = (node, key, target) => {
   };
 };
 
-export const scrollRight = (node) => scroll(node, 'scrollLeft', node.scrollWidth);
+export const scrollRight = (node, position) => scroll(node, 'scrollLeft', position);
 export const scrollTop = (node) => scroll(node, 'scrollTop', 0);
diff --git a/app/javascript/mastodon/service_worker/web_push_notifications.js b/app/javascript/mastodon/service_worker/web_push_notifications.js
index acb85f626..f63cff335 100644
--- a/app/javascript/mastodon/service_worker/web_push_notifications.js
+++ b/app/javascript/mastodon/service_worker/web_push_notifications.js
@@ -31,8 +31,8 @@ const notify = options =>
       const group = cloneNotification(notifications[0]);
 
       group.title = formatGroupTitle(group.data.message, group.data.count + 1);
-      group.body = `${options.title}\n${group.body}`;
-      group.data = { ...group.data, count: group.data.count + 1 };
+      group.body  = `${options.title}\n${group.body}`;
+      group.data  = { ...group.data, count: group.data.count + 1 };
 
       return self.registration.showNotification(group.title, group);
     }
@@ -43,18 +43,18 @@ const notify = options =>
 const handlePush = (event) => {
   const options = event.data.json();
 
-  options.body = options.data.nsfw || options.data.content;
-  options.image = options.image || undefined; // Null results in a network request (404)
+  options.body      = options.data.nsfw || options.data.content;
+  options.dir       = options.data.dir;
+  options.image     = options.image || undefined; // Null results in a network request (404)
   options.timestamp = options.timestamp && new Date(options.timestamp);
 
   const expandAction = options.data.actions.find(action => action.todo === 'expand');
 
   if (expandAction) {
-    options.actions = [expandAction];
-    options.hiddenActions = options.data.actions.filter(action => action !== expandAction);
-
+    options.actions          = [expandAction];
+    options.hiddenActions    = options.data.actions.filter(action => action !== expandAction);
     options.data.hiddenImage = options.image;
-    options.image = undefined;
+    options.image            = undefined;
   } else {
     options.actions = options.data.actions;
   }
@@ -75,8 +75,8 @@ const cloneNotification = (notification) => {
 const expandNotification = (notification) => {
   const nextNotification = cloneNotification(notification);
 
-  nextNotification.body = notification.data.content;
-  nextNotification.image = notification.data.hiddenImage;
+  nextNotification.body    = notification.data.content;
+  nextNotification.image   = notification.data.hiddenImage;
   nextNotification.actions = notification.data.actions.filter(action => action.todo !== 'expand');
 
   return self.registration.showNotification(nextNotification.title, nextNotification);
@@ -105,8 +105,7 @@ const openUrl = url =>
       const webClients = clientList.filter(client => /\/web\//.test(client.url));
 
       if (webClients.length !== 0) {
-        const client = findBestClient(webClients);
-
+        const client       = findBestClient(webClients);
         const { pathname } = new URL(url);
 
         if (pathname.startsWith('/web/')) {
@@ -126,8 +125,7 @@ const openUrl = url =>
   });
 
 const removeActionFromNotification = (notification, action) => {
-  const actions = notification.actions.filter(act => act.action !== action.action);
-
+  const actions          = notification.actions.filter(act => act.action !== action.action);
   const nextNotification = cloneNotification(notification);
 
   nextNotification.actions = actions;
diff --git a/app/javascript/mastodon/web_push_subscription.js b/app/javascript/mastodon/web_push_subscription.js
index 96ac63b52..3dbed09ea 100644
--- a/app/javascript/mastodon/web_push_subscription.js
+++ b/app/javascript/mastodon/web_push_subscription.js
@@ -48,7 +48,6 @@ export function register () {
 
   if (supportsPushNotifications) {
     if (!getApplicationServerKey()) {
-      // eslint-disable-next-line no-console
       console.error('The VAPID public key is not set. You will not be able to receive Web Push Notifications.');
       return;
     }
@@ -84,10 +83,8 @@ export function register () {
       })
       .catch(error => {
         if (error.code === 20 && error.name === 'AbortError') {
-          // eslint-disable-next-line no-console
           console.warn('Your browser supports Web Push Notifications, but does not seem to implement the VAPID protocol.');
         } else if (error.code === 5 && error.name === 'InvalidCharacterError') {
-          // eslint-disable-next-line no-console
           console.error('The VAPID public key seems to be invalid:', getApplicationServerKey());
         }
 
@@ -103,7 +100,6 @@ export function register () {
         }
       });
   } else {
-    // eslint-disable-next-line no-console
     console.warn('Your browser does not support Web Push Notifications.');
   }
 }
diff --git a/app/javascript/packs/public.js b/app/javascript/packs/public.js
index e9bb4a42e..2058fad91 100644
--- a/app/javascript/packs/public.js
+++ b/app/javascript/packs/public.js
@@ -36,8 +36,20 @@ function main() {
 
     [].forEach.call(document.querySelectorAll('time.time-ago'), (content) => {
       const datetime = new Date(content.getAttribute('datetime'));
+      content.title = dateTimeFormat.format(datetime);
       content.textContent = relativeFormat.format(datetime);
     });
+
+    [].forEach.call(document.querySelectorAll('.logo-button'), (content) => {
+      content.addEventListener('click', (e) => {
+        e.preventDefault();
+        window.open(e.target.href, 'mastodon-intent', 'width=400,height=400,resizable=no,menubar=no,status=no,scrollbars=yes');
+      });
+    });
+
+    if (window.parent) {
+      window.parent.postMessage(['setHeight', document.getElementsByTagName('html')[0].scrollHeight], '*');
+    }
   });
 
   delegate(document, '.video-player video', 'click', ({ target }) => {
diff --git a/app/javascript/packs/share.js b/app/javascript/packs/share.js
new file mode 100644
index 000000000..51e4ae38b
--- /dev/null
+++ b/app/javascript/packs/share.js
@@ -0,0 +1,24 @@
+import loadPolyfills from '../mastodon/load_polyfills';
+
+require.context('../images/', true);
+
+function loaded() {
+  const ComposeContainer = require('../mastodon/containers/compose_container').default;
+  const React = require('react');
+  const ReactDOM = require('react-dom');
+  const mountNode = document.getElementById('mastodon-compose');
+
+  if (mountNode !== null) {
+    const props = JSON.parse(mountNode.getAttribute('data-props'));
+    ReactDOM.render(<ComposeContainer {...props} />, mountNode);
+  }
+}
+
+function main() {
+  const ready = require('../mastodon/ready').default;
+  ready(loaded);
+}
+
+loadPolyfills().then(main).catch(error => {
+  console.error(error);
+});
diff --git a/app/javascript/styles/about.scss b/app/javascript/styles/about.scss
index 66da44086..28924738a 100644
--- a/app/javascript/styles/about.scss
+++ b/app/javascript/styles/about.scss
@@ -1,52 +1,96 @@
-.about-body {
-  .wrapper {
-    max-width: 600px;
-    margin: 0 auto;
+.landing-page {
+  p,
+  li {
+    font-family: 'mastodon-font-sans-serif', sans-serif;
+    font-size: 16px;
+    font-weight: 400;
+    font-size: 16px;
+    line-height: 30px;
+    margin-bottom: 12px;
     color: $ui-primary-color;
-    padding-top: 50px;
-    padding-bottom: 50px;
 
-    &.thicc {
-      max-width: 800px;
+    a {
+      color: $ui-highlight-color;
+      text-decoration: underline;
     }
   }
 
+  em {
+    display: inline;
+    margin: 0;
+    padding: 0;
+    font-weight: 500;
+    background: transparent;
+    font-family: inherit;
+    font-size: inherit;
+    line-height: inherit;
+    color: lighten($ui-primary-color, 10%);
+  }
+
   h1 {
-    font: 46px/52px 'mastodon-font-sans-serif', sans-serif;
-    font-weight: 600;
+    font-family: 'mastodon-font-display', sans-serif;
+    font-size: 26px;
+    line-height: 30px;
+    font-weight: 500;
     margin-bottom: 20px;
-    color: $ui-highlight-color;
-    padding: 20px 0;
+    color: $ui-secondary-color;
 
-    img {
-      margin-bottom: -5px;
-      margin-right: 5px;
-      width: 46px;
-      height: 46px;
+    small {
+      font-family: 'mastodon-font-sans-serif', sans-serif;
+      display: block;
+      font-size: 18px;
+      font-weight: 400;
+      color: $ui-base-lighter-color;
     }
   }
 
   h2 {
     font-family: 'mastodon-font-display', sans-serif;
-    font-size: 24px;
-    line-height: 28px;
-    font-weight: 400;
+    font-size: 22px;
+    line-height: 26px;
+    font-weight: 500;
     margin-bottom: 20px;
-    color: $primary-text-color;
+    color: $ui-secondary-color;
   }
 
   h3 {
     font-family: 'mastodon-font-display', sans-serif;
-    font-size: 20px;
-    line-height: 28px;
-    font-weight: 400;
+    font-size: 18px;
+    line-height: 24px;
+    font-weight: 500;
+    margin-bottom: 20px;
+    color: $ui-secondary-color;
+  }
+
+  h4 {
+    font-family: 'mastodon-font-display', sans-serif;
+    font-size: 16px;
+    line-height: 24px;
+    font-weight: 500;
+    margin-bottom: 20px;
+    color: $ui-secondary-color;
+  }
+
+  h5 {
+    font-family: 'mastodon-font-display', sans-serif;
+    font-size: 14px;
+    line-height: 24px;
+    font-weight: 500;
+    margin-bottom: 20px;
+    color: $ui-secondary-color;
+  }
+
+  h6 {
+    font-family: 'mastodon-font-display', sans-serif;
+    font-size: 12px;
+    line-height: 24px;
+    font-weight: 500;
     margin-bottom: 20px;
     color: $ui-secondary-color;
   }
 
   ul,
   ol {
-    list-style: inherit;
     margin-left: 20px;
 
     &[type='a'] {
@@ -58,219 +102,29 @@
     }
   }
 
-  li > ol,
-  li > ul {
-    margin-top: 20px;
-  }
-
-  p,
-  li {
-    font: 16px/28px 'mastodon-font-sans-serif', sans-serif;
-    font-weight: 400;
-    margin-bottom: 12px;
-
-    a {
-      color: $ui-highlight-color;
-      text-decoration: underline;
-    }
-  }
-
-  em {
-    display: inline-block;
-    padding: 7px 7px 5px;
-    margin: 0 2px;
-    background: $ui-primary-color;
-    color: $ui-base-color;
-    font: 16px/16px 'mastodon-font-sans-serif', sans-serif;
-    font-weight: 300;
-  }
-
-  .screenshot {
-    box-shadow: 0 0 15px rgba($base-shadow-color, 0.4);
-    margin-bottom: 26px;
-
-    img {
-      max-width: 100%;
-      height: auto;
-      display: block;
-    }
+  ul {
+    list-style: disc;
   }
 
-  .actions {
-    overflow: hidden;
-    margin-bottom: 20px;
-
-    .info {
-      float: right;
-      text-align: right;
-      line-height: 36px;
-
-      a {
-        color: $ui-primary-color;
-        text-decoration: underline;
-      }
-    }
+  ol {
+    list-style: decimal;
   }
 
-  @media screen and (max-width: 625px) {
-    .wrapper {
-      padding: 20px;
-    }
+  li > ol,
+  li > ul {
+    margin-top: 6px;
   }
-}
-
-.information-board {
-  background: darken($ui-base-color, 4%);
-  padding: 20px 0;
-
-  .panel {
-    position: absolute;
-    width: 280px;
-    box-sizing: border-box;
-    background: darken($ui-base-color, 8%);
-    padding: 20px;
-    padding-top: 10px;
-    border-radius: 4px 4px 0 0;
-    right: 0;
-    bottom: -40px;
-
-    .panel-header {
-      font-family: 'mastodon-font-display', sans-serif;
-      font-size: 14px;
-      line-height: 24px;
-      font-weight: 500;
-      color: $ui-base-lighter-color;
-      padding-bottom: 5px;
-      margin-bottom: 15px;
-      border-bottom: 1px solid lighten($ui-base-color, 4%);
-      text-overflow: ellipsis;
-      white-space: nowrap;
-      overflow: hidden;
-
-      a,
-      span {
-        font-weight: 400;
-        color: lighten($ui-base-color, 34%);
-      }
 
-      a {
-        text-decoration: none;
-      }
-    }
+  hr {
+    border-color: rgba($ui-base-lighter-color, .6);
   }
 
   .container {
-    position: relative;
-    padding-right: 280px + 15px;
-  }
-
-  .information-board-sections {
-    display: flex;
-    justify-content: space-between;
-    flex-wrap: wrap;
-  }
-
-  .section {
-    flex: 1 0 0;
-    font: 16px/28px 'mastodon-font-sans-serif', sans-serif;
-    text-align: right;
-    padding: 10px 15px;
-
-    span,
-    strong {
-      display: block;
-    }
-
-    span {
-      font-size: 16px;
-
-      &:last-child {
-        color: $ui-secondary-color;
-      }
-    }
-
-    strong {
-      font-weight: 500;
-      font-size: 32px;
-      line-height: 48px;
-      color: $primary-text-color;
-    }
-  }
-}
-
-.owner {
-  text-align: center;
-
-  .avatar {
-    @include avatar-size(80px);
+    width: 100%;
+    box-sizing: border-box;
+    max-width: 800px;
     margin: 0 auto;
-    margin-bottom: 15px;
-
-    img {
-      @include avatar-radius();
-      @include avatar-size(80px);
-      display: block;
-    }
-  }
-
-  .name {
-    font-size: 14px;
-
-    a {
-      display: block;
-      color: $primary-text-color;
-      text-decoration: none;
-
-      &:hover {
-        .display_name {
-          text-decoration: underline;
-        }
-      }
-    }
-
-    .username {
-      display: block;
-      color: $ui-primary-color;
-    }
-  }
-}
-
-.features-list__row {
-  display: flex;
-  padding: 10px 0;
-  justify-content: space-between;
-
-  &:first-child {
-    padding-top: 0;
-  }
-
-  .visual {
-    flex: 0 0 auto;
-    display: flex;
-    align-items: center;
-    margin-left: 15px;
-
-    .fa {
-      display: block;
-      color: $ui-primary-color;
-      font-size: 48px;
-    }
-  }
-
-  .text {
-    font-size: 16px;
-    line-height: 30px;
-    color: $ui-base-lighter-color;
-
-    h6 {
-      font-weight: 500;
-      color: $ui-primary-color;
-    }
   }
-}
-
-.landing-page {
-  $lp-par-color: lighten($ui-base-color, 36%);
 
   .header-wrapper {
     padding-top: 15px;
@@ -284,13 +138,16 @@
 
       .hero .heading {
         padding-bottom: 30px;
+        font-family: 'mastodon-font-sans-serif', sans-serif;
+        font-size: 16px;
+        font-weight: 400;
+        font-size: 16px;
+        line-height: 30px;
+        color: $ui-primary-color;
 
-        p, li {
-          color: lighten($ui-base-color, 50%);
-        }
-
-        li {
-          margin: 2px 0;
+        a {
+          color: $ui-highlight-color;
+          text-decoration: underline;
         }
       }
     }
@@ -315,17 +172,6 @@
     }
   }
 
-  p,
-  li {
-    font: inherit;
-    font-weight: inherit;
-    margin-bottom: 0;
-  }
-
-  hr {
-    border-color: rgba($ui-base-lighter-color, .6);
-  }
-
   .header {
     line-height: 30px;
     overflow: hidden;
@@ -335,6 +181,62 @@
       justify-content: space-between;
     }
 
+    .links {
+      position: relative;
+      z-index: 4;
+
+      a {
+        display: flex;
+        justify-content: center;
+        align-items: center;
+        color: $ui-primary-color;
+        text-decoration: none;
+        padding: 12px 16px;
+        line-height: 32px;
+        font-family: 'mastodon-font-display', sans-serif;
+        font-weight: 500;
+        font-size: 14px;
+
+        &:hover {
+          color: $ui-secondary-color;
+        }
+      }
+
+      .brand {
+        a {
+          padding-left: 0;
+          padding-right: 0;
+          color: $white;
+        }
+
+        img {
+          height: 32px;
+          position: relative;
+          top: 4px;
+          left: -10px;
+        }
+      }
+
+      ul {
+        list-style: none;
+        margin: 0;
+
+        li {
+          display: inline-block;
+          vertical-align: bottom;
+          margin: 0;
+
+          &:first-child a {
+            padding-left: 0;
+          }
+
+          &:last-child a {
+            padding-right: 0;
+          }
+        }
+      }
+    }
+
     .hero {
       margin-top: 50px;
       align-items: center;
@@ -387,6 +289,12 @@
         }
       }
 
+      .heading {
+        position: relative;
+        z-index: 4;
+        padding-bottom: 150px;
+      }
+
       .simple_form,
       .closed-registrations-message {
         background: darken($ui-base-color, 4%);
@@ -408,12 +316,6 @@
         }
       }
 
-      .heading {
-        position: relative;
-        z-index: 4;
-        padding-bottom: 150px;
-      }
-
       .closed-registrations-message {
         min-height: 330px;
         display: flex;
@@ -421,136 +323,140 @@
         justify-content: space-between;
       }
     }
+  }
 
-    .links {
+  .about-short {
+    background: darken($ui-base-color, 4%);
+    padding: 50px 0;
+    font-family: 'mastodon-font-sans-serif', sans-serif;
+    font-size: 16px;
+    font-weight: 400;
+    font-size: 16px;
+    line-height: 30px;
+    color: $ui-primary-color;
+
+    a {
+      color: $ui-highlight-color;
+      text-decoration: underline;
+    }
+  }
+
+  .information-board {
+    background: darken($ui-base-color, 4%);
+    padding: 20px 0;
+
+    .container {
       position: relative;
-      z-index: 4;
+      padding-right: 280px + 15px;
+    }
 
-      ul {
-        list-style: none;
-        margin: 0;
+    .information-board-sections {
+      display: flex;
+      justify-content: space-between;
+      flex-wrap: wrap;
+    }
 
-        li {
-          display: inline-block;
-          vertical-align: bottom;
-          margin: 0;
+    .section {
+      flex: 1 0 0;
+      font-family: 'mastodon-font-sans-serif', sans-serif;
+      font-size: 16px;
+      line-height: 28px;
+      color: $primary-text-color;
+      text-align: right;
+      padding: 10px 15px;
 
-          &:last-child a {
-            padding-right: 0;
-          }
-        }
+      span,
+      strong {
+        display: block;
       }
 
-      a {
-        display: flex;
-        justify-content: center;
-        align-items: center;
-        color: $ui-primary-color;
-        text-decoration: none;
-        padding: 12px 16px;
-        line-height: 32px;
-        font-family: 'mastodon-font-display', sans-serif;
-        font-weight: 500;
-        font-size: 14px;
-
-        &:hover {
+      span {
+        &:last-child {
           color: $ui-secondary-color;
         }
       }
 
-      .brand {
-        a {
-          padding-left: 0;
-          padding-right: 0;
-          color: $white;
-        }
-
-        img {
-          height: 32px;
-          position: relative;
-          top: 4px;
-          left: -10px;
-        }
+      strong {
+        font-weight: 500;
+        font-size: 32px;
+        line-height: 48px;
       }
     }
-  }
-
-  .container {
-    width: 100%;
-    box-sizing: border-box;
-    max-width: 800px;
-    margin: 0 auto;
-  }
-
-  .wrapper {
-    max-width: 800px;
-    margin: 0 auto;
-    padding: 0;
-  }
-
-  .learn-more-cta, .extended-description {
-    padding: 50px 0;
-    font-weight: 400;
-    color: $lp-par-color;
-    font: 16px/1.6 'mastodon-font-sans-serif', sans-serif;
 
-    ul,
-    ol {
-      list-style: inherit;
-      margin-left: 20px;
+    .panel {
+      position: absolute;
+      width: 280px;
+      box-sizing: border-box;
+      background: darken($ui-base-color, 8%);
+      padding: 20px;
+      padding-top: 10px;
+      border-radius: 4px 4px 0 0;
+      right: 0;
+      bottom: -40px;
 
-      &[type='a'] {
-        list-style-type: lower-alpha;
-      }
+      .panel-header {
+        font-family: 'mastodon-font-display', sans-serif;
+        font-size: 14px;
+        line-height: 24px;
+        font-weight: 500;
+        color: $ui-primary-color;
+        padding-bottom: 5px;
+        margin-bottom: 15px;
+        border-bottom: 1px solid lighten($ui-base-color, 4%);
+        text-overflow: ellipsis;
+        white-space: nowrap;
+        overflow: hidden;
+
+        a,
+        span {
+          font-weight: 400;
+          color: darken($ui-primary-color, 10%);
+        }
 
-      &[type='i'] {
-        list-style-type: lower-roman;
+        a {
+          text-decoration: none;
+        }
       }
     }
 
-    li > ol,
-    li > ul {
-      margin-top: 20px;
-    }
+    .owner {
+      text-align: center;
 
-    p,
-    li {
-      color: $lp-par-color;
-      margin-bottom: 6px;
+      .avatar {
+        width: 80px;
+        height: 80px;
+        margin: 0 auto;
+        margin-bottom: 15px;
 
-      a {
-        color: $ui-highlight-color;
-        text-decoration: underline;
+        img {
+          display: block;
+          width: 80px;
+          height: 80px;
+          border-radius: 48px;
+        }
       }
-    }
-
-    li {
-      margin: 2px 0;
-    }
-  }
 
-  .learn-more-cta {
-    background: darken($ui-base-color, 4%);
-    padding: 50px 0;
-    p {
-      font-size: 16px;
-      line-height: 28px;
-    }
-  }
+      .name {
+        font-size: 14px;
 
-  h3 {
-    font-family: 'mastodon-font-display', sans-serif;
-    font-size: 16px;
-    line-height: 24px;
-    font-weight: 500;
-    margin-bottom: 20px;
-    color: $ui-primary-color;
-  }
+        a {
+          display: block;
+          color: $primary-text-color;
+          text-decoration: none;
+
+          &:hover {
+            .display_name {
+              text-decoration: underline;
+            }
+          }
+        }
 
-  p {
-    font-size: 16px;
-    line-height: 28px;
-    color: $lp-par-color;
+        .username {
+          display: block;
+          color: $ui-primary-color;
+        }
+      }
+    }
   }
 
   .features {
@@ -559,100 +465,121 @@
     .container {
       display: flex;
     }
-  }
 
-  #mastodon-timeline {
-    display: flex;
-    -webkit-overflow-scrolling: touch;
-    -ms-overflow-style: -ms-autohiding-scrollbar;
-    font-family: 'mastodon-font-sans-serif', sans-serif;
-    font-size: 13px;
-    line-height: 18px;
-    font-weight: 400;
-    color: $primary-text-color;
-    width: 330px;
-    margin-right: 30px;
-    flex: 0 0 auto;
-    background: $ui-base-color;
-    overflow: hidden;
-    box-shadow: 0 0 6px rgba($black, 0.1);
+    #mastodon-timeline {
+      display: flex;
+      -webkit-overflow-scrolling: touch;
+      -ms-overflow-style: -ms-autohiding-scrollbar;
+      font-family: 'mastodon-font-sans-serif', sans-serif;
+      font-size: 13px;
+      line-height: 18px;
+      font-weight: 400;
+      color: $primary-text-color;
+      width: 330px;
+      margin-right: 30px;
+      flex: 0 0 auto;
+      background: $ui-base-color;
+      overflow: hidden;
+      box-shadow: 0 0 6px rgba($black, 0.1);
+
+      .column-header {
+        color: inherit;
+        font-family: inherit;
+        font-size: 16px;
+        line-height: inherit;
+        font-weight: inherit;
+        margin: 0;
+        padding: 15px;
+      }
 
-    .column-header {
-      color: inherit;
-      font-family: inherit;
-      font-size: 16px;
-      line-height: inherit;
-      font-weight: inherit;
-      margin: 0;
-      padding: 15px;
-    }
+      .column {
+        padding: 0;
+        border-radius: 4px;
+        overflow: hidden;
+      }
 
-    .column {
-      padding: 0;
-      border-radius: 4px;
-      overflow: hidden;
-    }
+      .scrollable {
+        height: 400px;
+      }
 
-    .scrollable {
-      height: 400px;
-    }
+      p {
+        font-size: inherit;
+        line-height: inherit;
+        font-weight: inherit;
+        color: $primary-text-color;
+        margin-bottom: 20px;
 
-    p {
-      font-size: inherit;
-      line-height: inherit;
-      font-weight: inherit;
-      color: $primary-text-color;
-      margin-bottom: 20px;
+        &:last-child {
+          margin-bottom: 0;
+        }
 
-      &:last-child {
-        margin-bottom: 0;
+        a {
+          color: $ui-secondary-color;
+          text-decoration: none;
+        }
       }
+    }
 
-      a {
-        color: $ui-secondary-color;
-        text-decoration: none;
+    .about-mastodon {
+      max-width: 675px;
+
+      p {
+        margin-bottom: 20px;
       }
-    }
-  }
 
-  .about-mastodon {
-    max-width: 675px;
+      .features-list {
+        margin-top: 20px;
 
-    p {
-      margin-bottom: 20px;
-    }
+        .features-list__row {
+          display: flex;
+          padding: 10px 0;
+          justify-content: space-between;
 
-    .features-list {
-      margin-top: 20px;
-    }
-  }
+          &:first-child {
+            padding-top: 0;
+          }
 
-  em {
-    display: inline;
-    margin: 0;
-    padding: 0;
-    font-weight: 500;
-    background: transparent;
-    font-family: inherit;
-    font-size: inherit;
-    line-height: inherit;
-    color: $ui-primary-color;
+          .visual {
+            flex: 0 0 auto;
+            display: flex;
+            align-items: center;
+            margin-left: 15px;
+
+            .fa {
+              display: block;
+              color: $ui-primary-color;
+              font-size: 48px;
+            }
+          }
+
+          .text {
+            font-size: 16px;
+            line-height: 30px;
+            color: $ui-primary-color;
+
+            h6 {
+              font-size: inherit;
+              line-height: inherit;
+              margin-bottom: 0;
+            }
+          }
+        }
+      }
+    }
   }
 
-  h1 {
-    font-family: 'mastodon-font-display', sans-serif;
-    font-size: 26px;
+  .extended-description {
+    padding: 50px 0;
+    font-family: 'mastodon-font-sans-serif', sans-serif;
+    font-size: 16px;
+    font-weight: 400;
+    font-size: 16px;
     line-height: 30px;
-    margin-bottom: 0;
-    font-weight: 500;
-    color: $ui-secondary-color;
+    color: $ui-primary-color;
 
-    small {
-      font-family: 'mastodon-font-sans-serif', sans-serif;
-      display: block;
-      font-size: 18px;
-      font-weight: 400;
-      color: $ui-base-lighter-color;
+    a {
+      color: $ui-highlight-color;
+      text-decoration: underline;
     }
   }
 
@@ -676,8 +603,15 @@
       padding: 0 20px;
     }
 
-    .information-board .container {
-      padding-right: 20px;
+    .information-board {
+
+      .container {
+        padding-right: 20px;
+      }
+
+      .section {
+        text-align: center;
+      }
 
       .panel {
         position: static;
@@ -691,10 +625,6 @@
       }
     }
 
-    .information-board .section {
-      text-align: center;
-    }
-
     .header-wrapper .mascot {
       left: 20px;
     }
@@ -712,6 +642,7 @@
 
       &.compact .hero .heading {
         padding-bottom: 20px;
+        text-align: initial;
       }
     }
 
@@ -720,51 +651,41 @@
       display: block;
     }
 
-    .links {
-      padding-top: 15px;
-      background: darken($ui-base-color, 4%);
-    }
-
     .header {
 
-      .hero {
-        margin-top: 30px;
-        padding: 0;
+      .links {
+        padding-top: 15px;
+        background: darken($ui-base-color, 4%);
 
-        .heading {
-          padding: 0 20px 20px;
+        a {
+          padding: 12px 8px;
         }
-      }
-
-      .floats {
-        display: none;
-      }
 
-      .heading,
-      .nav {
-        text-align: center;
-      }
+        .nav {
+          display: flex;
+          flex-flow: row wrap;
+          justify-content: space-around;
+        }
 
-      .nav {
-        display: flex;
-        flex-flow: row wrap;
-        justify-content: space-around;
+        .brand img {
+          left: 0;
+          top: 0;
+        }
       }
 
-      .links a {
-        padding: 12px 8px;
-      }
+      .hero {
+        margin-top: 30px;
+        padding: 0;
 
-      .heading h1 {
-        padding: 30px 0;
-      }
+        .floats {
+          display: none;
+        }
 
-      .links .brand img {
-        left: 0;
-        top: 0;
-      }
+        .heading {
+          padding: 30px 20px;
+          text-align: center;
+        }
 
-      .hero {
         .simple_form,
         .closed-registrations-message {
           background: darken($ui-base-color, 8%);
@@ -775,7 +696,7 @@
       }
     }
 
-    #mastodon-timeline {
+    .features #mastodon-timeline {
       height: 70vh;
       width: 100%;
       margin-bottom: 50px;
diff --git a/app/javascript/styles/accounts.scss b/app/javascript/styles/accounts.scss
index 5a9105109..744650554 100644
--- a/app/javascript/styles/accounts.scss
+++ b/app/javascript/styles/accounts.scss
@@ -1,34 +1,48 @@
 .card {
-  display: flex;
-  background: $ui-base-color;
+  background-color: lighten($ui-base-color, 4%);
   background-size: cover;
   background-position: center;
   border-radius: 4px 4px 0 0;
   box-shadow: 0 0 15px rgba($base-shadow-color, 0.2);
   overflow: hidden;
+  position: relative;
+  display: flex;
+
+  &::after {
+    background: rgba(darken($ui-base-color, 8%), 0.5);
+    display: block;
+    content: "";
+    position: absolute;
+    left: 0;
+    top: 0;
+    width: 100%;
+    height: 100%;
+    z-index: 1;
+  }
 
   @media screen and (max-width: 740px) {
     border-radius: 0;
     box-shadow: none;
   }
 
-  .details {
+  .card__illustration {
+    padding: 60px 0;
     position: relative;
-    padding: 60px 0 0;
-    text-align: center;
-    flex: auto;
+    flex: 1 1 auto;
+    display: flex;
+    justify-content: center;
+    align-items: center;
+  }
 
-    &::after {
-      background: linear-gradient(rgba($base-shadow-color, 0.5), rgba($base-shadow-color, 0.8));
-      display: block;
-      content: "";
-      position: absolute;
-      left: 0;
-      top: 0;
-      width: 100%;
-      height: 100%;
-      z-index: 1;
-    }
+  .card__bio {
+    max-width: 260px;
+    flex: 1 1 auto;
+    display: flex;
+    flex-direction: column;
+    justify-content: space-between;
+    background: rgba(darken($ui-base-color, 8%), 0.8);
+    position: relative;
+    z-index: 2;
   }
 
   &.compact {
@@ -46,14 +60,15 @@
 
   .name {
     display: block;
-    position: relative;
     font-size: 20px;
     line-height: 18px * 1.5;
     color: $primary-text-color;
+    padding: 10px 15px;
+    padding-bottom: 0;
     font-weight: 500;
-    text-align: center;
-    text-shadow: 0 0 2px $base-shadow-color;
+    position: relative;
     z-index: 2;
+    margin-bottom: 30px;
 
     small {
       display: block;
@@ -64,56 +79,102 @@
   }
 
   .avatar {
-    position: relative;
-    @include avatar-size(120px);
+    width: 120px;
     margin: 0 auto;
-    margin-bottom: 15px;
+    position: relative;
     z-index: 2;
 
     img {
-      @include avatar-radius();
-      @include avatar-size(120px);
+      width: 120px;
+      height: 120px;
       display: block;
+      border-radius: 120px;
+      box-shadow: 0 0 15px rgba($base-shadow-color, 0.2);
     }
   }
 
   .controls {
     position: absolute;
-    top: 10px;
-    right: 10px;
+    top: 15px;
+    left: 15px;
     z-index: 2;
+
+    .icon-button {
+      color: rgba($white, 0.8);
+      text-decoration: none;
+      font-size: 13px;
+      line-height: 13px;
+      font-weight: 500;
+
+      .fa {
+        font-weight: 400;
+        margin-right: 5px;
+      }
+
+      &:hover,
+      &:active,
+      &:focus {
+        color: $white;
+      }
+    }
+  }
+
+  .roles {
+    margin-bottom: 30px;
+    padding: 0 15px;
   }
 
   .details-counters {
-    display: inline-flex;
-    position: relative;
+    margin-top: 30px;
+    display: flex;
     flex-direction: row;
-    margin: 15px 0;
-    z-index: 2;
+    width: 100%;
   }
 
   .counter {
-    width: 80px;
+    width: 33.3%;
+    box-sizing: border-box;
+    flex: 0 0 auto;
     color: $ui-primary-color;
     padding: 5px 10px 0;
+    margin-bottom: 10px;
+    border-right: 1px solid lighten($ui-base-color, 4%);
     cursor: default;
+    text-align: center;
     position: relative;
 
-    & + .counter {
-      border-left: 1px solid $ui-primary-color;
+    a {
+      display: block;
+    }
+
+    &:last-child {
+      border-right: 0;
     }
 
-    & > * {
-      opacity: .7;
-      transition: opacity .3s ease;
+    &::after {
+      display: block;
+      content: "";
+      position: absolute;
+      bottom: -10px;
+      left: 0;
+      width: 100%;
+      border-bottom: 4px solid $ui-primary-color;
+      opacity: 0.5;
+      transition: all 400ms ease;
     }
 
-    &.active > *, &:hover > * {
-      opacity: 1;
+    &.active {
+      &::after {
+        border-bottom: 4px solid $ui-highlight-color;
+        opacity: 1;
+      }
     }
 
-    a {
-      display: block;
+    &:hover {
+      &::after {
+        opacity: 1;
+        transition-duration: 100ms;
+      }
     }
 
     a {
@@ -123,87 +184,40 @@
 
     .counter-label {
       font-size: 12px;
-      text-transform: uppercase;
       display: block;
       margin-bottom: 5px;
-      text-shadow: 0 0 2px $base-shadow-color;
     }
 
     .counter-number {
       font-weight: 500;
       font-size: 18px;
       color: $primary-text-color;
+      font-family: 'mastodon-font-display', sans-serif;
     }
   }
 
   .bio {
-    position: relative;
     font-size: 14px;
     line-height: 18px;
-    margin: 15px 0;
-    padding: 5px 10px;
+    padding: 0 15px;
     color: $ui-secondary-color;
-    z-index: 2;
-  }
-
-  .metadata {
-    position: relative;
-    min-width: 180px;
-    max-width: 40%;
-    background: rgba($base-shadow-color, 0.8);
-    color: $primary-text-color;
-    text-align: left;
-    overflow-y: auto;
-    white-space: pre-wrap;
-    z-index: 3;
-
-    .metadata-item {
-      border-bottom: 1px $ui-primary-color solid;
-      padding: 15px 10px;
-      font-size: 18px;
-      line-height: 24px;
-      overflow: hidden;
-      text-overflow: ellipsis;
-
-      a {
-        color: $ui-highlight-color;
-        text-decoration: none;
-
-        &:hover {
-          text-decoration: underline;
-        }
-      }
-
-      b {
-        display: block;
-        font-size: 12px;
-        line-height: 16px;
-        text-transform: uppercase;
-        color: $ui-primary-color;
-
-        a {
-          color: $ui-primary-color;
-        }
-      }
-    }
   }
-}
-
-
-
-@media screen and (max-width: 500px) {
 
-  .card {
+  @media screen and (max-width: 480px) {
     display: block;
 
-    .metadata {
+    .card__bio {
       max-width: none;
-      background: $base-shadow-color;
-      border-top: 1px $ui-primary-color solid;
+    }
 
-      .metadata-item {
-        padding: 15px 20px;
-      }
+    .name,
+    .roles {
+      text-align: center;
+      margin-bottom: 15px;
+    }
+
+    .bio {
+      margin-bottom: 15px;
     }
   }
 }
@@ -282,7 +296,9 @@
     }
 
     .next,
-    .prev {
+    .prev,
+    .next a,
+    .prev a {
       display: inline-block;
     }
   }
@@ -290,13 +306,15 @@
 
 .accounts-grid {
   box-shadow: 0 0 15px rgba($base-shadow-color, 0.2);
-  background: $simple-background-color;
+  background: darken($simple-background-color, 8%);
   border-radius: 0 0 4px 4px;
-  padding: 20px 10px;
+  padding: 20px 5px;
   padding-bottom: 10px;
   overflow: hidden;
   display: flex;
   flex-wrap: wrap;
+  z-index: 2;
+  position: relative;
 
   @media screen and (max-width: 740px) {
     border-radius: 0;
@@ -306,35 +324,64 @@
   .account-grid-card {
     box-sizing: border-box;
     width: 335px;
-    border: 1px solid $ui-secondary-color;
+    background: $simple-background-color;
     border-radius: 4px;
     color: $ui-base-color;
-    margin-bottom: 10px;
+    margin: 0 5px 10px;
+    position: relative;
 
-    &:nth-child(odd) {
-      margin-right: 10px;
+    @media screen and (max-width: 740px) {
+      width: calc(100% - 10px);
     }
 
     .account-grid-card__header {
       overflow: hidden;
-      padding: 10px;
-      border-bottom: 1px solid $ui-secondary-color;
+      height: 100px;
+      border-radius: 4px 4px 0 0;
+      background-color: lighten($ui-base-color, 4%);
+      background-size: cover;
+      background-position: center;
+      position: relative;
+
+      &::after {
+        background: rgba(darken($ui-base-color, 8%), 0.5);
+        display: block;
+        content: "";
+        position: absolute;
+        left: 0;
+        top: 0;
+        width: 100%;
+        height: 100%;
+        z-index: 1;
+      }
+    }
+
+    .account-grid-card__avatar {
+      box-sizing: border-box;
+      padding: 15px;
+      position: absolute;
+      z-index: 2;
+      top: 100px - (40px + 2px);
+      left: -2px;
     }
 
     .avatar {
-      @include avatar-size(60px);
-      float: left;
-      margin-right: 15px;
+      width: 80px;
+      height: 80px;
 
       img {
-        @include avatar-radius();
-        @include avatar-size(60px);
         display: block;
+        width: 80px;
+        height: 80px;
+        border-radius: 80px;
+        border: 2px solid $simple-background-color;
       }
     }
 
     .name {
+      padding: 15px;
       padding-top: 10px;
+      padding-left: 15px + 80px + 15px;
 
       a {
         display: block;
@@ -342,6 +389,7 @@
         text-decoration: none;
         text-overflow: ellipsis;
         overflow: hidden;
+        font-weight: 500;
 
         &:hover {
           .display_name {
@@ -352,30 +400,38 @@
     }
 
     .display_name {
-      font-size: 14px;
+      font-size: 16px;
       display: block;
+      text-overflow: ellipsis;
+      overflow: hidden;
     }
 
     .username {
-      color: $ui-highlight-color;
+      color: lighten($ui-base-color, 34%);
+      font-size: 14px;
+      font-weight: 400;
     }
 
     .note {
-      padding: 10px;
+      padding: 10px 15px;
       padding-top: 15px;
-      color: $ui-primary-color;
+      box-sizing: border-box;
+      color: lighten($ui-base-color, 26%);
       word-wrap: break-word;
+      min-height: 80px;
     }
   }
 }
 
 .nothing-here {
+  width: 100%;
+  display: block;
   color: $ui-primary-color;
   font-size: 14px;
   font-weight: 500;
   text-align: center;
-  padding: 15px 0;
-  padding-bottom: 25px;
+  padding: 60px 0;
+  padding-top: 55px;
   cursor: default;
 }
 
@@ -396,14 +452,15 @@
     }
 
     & > div {
-      @include avatar-size(48px);
       float: left;
       margin-right: 10px;
+      width: 48px;
+      height: 48px;
     }
 
     .avatar {
-      @include avatar-radius();
       display: block;
+      border-radius: 4px;
     }
 
     .display-name {
@@ -439,3 +496,43 @@
     color: $ui-base-color;
   }
 }
+
+.activity-stream-tabs {
+  background: $simple-background-color;
+  border-bottom: 1px solid $ui-secondary-color;
+  position: relative;
+  z-index: 2;
+
+  a {
+    display: inline-block;
+    padding: 15px;
+    text-decoration: none;
+    color: $ui-highlight-color;
+    text-transform: uppercase;
+    font-weight: 500;
+
+    &:hover,
+    &:active,
+    &:focus {
+      color: lighten($ui-highlight-color, 8%);
+    }
+
+    &.active {
+      color: $ui-base-color;
+      cursor: default;
+    }
+  }
+}
+
+.account-role {
+  display: inline-block;
+  padding: 4px 6px;
+  cursor: default;
+  border-radius: 3px;
+  font-size: 12px;
+  line-height: 12px;
+  font-weight: 500;
+  color: $success-green;
+  background-color: rgba($success-green, 0.1);
+  border: 1px solid rgba($success-green, 0.5);
+}
diff --git a/app/javascript/styles/admin.scss b/app/javascript/styles/admin.scss
index 4c3bbdfc5..b86de75b6 100644
--- a/app/javascript/styles/admin.scss
+++ b/app/javascript/styles/admin.scss
@@ -32,7 +32,7 @@
 
       a {
         display: block;
-        padding: 15px 25px;
+        padding: 15px;
         color: rgba($primary-text-color, 0.7);
         text-decoration: none;
         transition: all 200ms linear;
@@ -61,6 +61,7 @@
 
         a {
           border: 0;
+          padding: 15px 35px;
 
           &.selected {
             color: $primary-text-color;
@@ -98,7 +99,7 @@
 
     h6 {
       font-size: 16px;
-      color: $ui-primary-color;
+      color: $ui-secondary-color;
       line-height: 28px;
       font-weight: 400;
     }
@@ -123,10 +124,10 @@
     }
 
     .muted-hint {
-      color: lighten($ui-base-color, 27%);
+      color: $ui-primary-color;
 
       a {
-        color: $ui-primary-color;
+        color: $ui-highlight-color;
       }
     }
 
@@ -139,15 +140,23 @@
   .simple_form {
     max-width: 400px;
 
-    .label_input {
-      label.select {
-        width: 50%;
-      }
+    &.edit_user,
+    &.new_form_admin_settings,
+    &.new_form_two_factor_confirmation,
+    &.new_form_delete_confirmation,
+    &.new_import,
+    &.new_domain_block,
+    &.edit_domain_block {
+      max-width: none;
+    }
 
-      select {
-        width: 50%;
-        float: right;
-      }
+    .form_two_factor_confirmation_code,
+    .form_delete_confirmation_password {
+      max-width: 400px;
+    }
+
+    .actions {
+      max-width: 400px;
     }
   }
 
@@ -227,27 +236,25 @@
 
 .report-accounts {
   display: flex;
+  flex-wrap: wrap;
   margin-bottom: 20px;
 }
 
 .report-accounts__item {
-  flex: 1 1 0;
   display: flex;
+  flex: 250px;
   flex-direction: column;
+  margin: 0 5px;
 
   & > strong {
     display: block;
-    margin-bottom: 10px;
+    margin: 0 0 10px -5px;
     font-weight: 500;
     font-size: 14px;
     line-height: 18px;
     color: $ui-secondary-color;
   }
 
-  &:first-child {
-    margin-right: 10px;
-  }
-
   .account-card {
     flex: 1 1 auto;
   }
@@ -261,6 +268,11 @@
   .activity-stream {
     flex: 2 0 0;
     margin-right: 20px;
+    max-width: calc(100% - 60px);
+
+    .entry {
+      border-radius: 4px;
+    }
   }
 }
 
@@ -280,18 +292,25 @@
 
 .batch-form-box {
   display: flex;
-  margin-bottom: 10px;
+  flex-wrap: wrap;
+  margin-bottom: 5px;
 
   #form_status_batch_action {
-    margin-right: 5px;
+    margin: 0 5px 5px 0;
     font-size: 14px;
   }
 
+  input.button {
+    margin: 0 5px 5px 0;
+  }
+
   .media-spoiler-toggle-buttons {
     margin-left: auto;
 
     .button {
       overflow: visible;
+      margin: 0 0 5px 5px;
+      float: right;
     }
   }
 }
diff --git a/app/javascript/styles/basics.scss b/app/javascript/styles/basics.scss
index 4e51b555c..05c93b42e 100644
--- a/app/javascript/styles/basics.scss
+++ b/app/javascript/styles/basics.scss
@@ -7,13 +7,28 @@ body {
   line-height: 18px;
   font-weight: 400;
   color: $primary-text-color;
-  padding-bottom: 140px;
+  padding-bottom: 20px;
   text-rendering: optimizelegibility;
   font-feature-settings: "kern";
   text-size-adjust: none;
   -webkit-tap-highlight-color: rgba(0,0,0,0);
   -webkit-tap-highlight-color: transparent;
 
+  &.system-font {
+    // system-ui => standard property (Chrome/Android WebView 56+, Opera 43+, Safari 11+)
+    // -apple-system => Safari <11 specific
+    // BlinkMacSystemFont => Chrome <56 on macOS specific
+    // Segoe UI => Windows 7/8/10
+    // Oxygen => KDE
+    // Ubuntu => Unity/Ubuntu
+    // Cantarell => GNOME
+    // Fira Sans => Firefox OS
+    // Droid Sans => Older Androids (<4.0)
+    // Helvetica Neue => Older macOS <10.11
+    // mastodon-font-sans-serif => web-font (Roboto) fallback and newer Androids (>=4.0)
+    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", mastodon-font-sans-serif, sans-serif;
+  }
+
   &.app-body {
     position: fixed;
     width: 100%;
@@ -46,10 +61,6 @@ body {
     height: 100%;
     padding: 0;
   }
-
-  @media screen and (max-width: 400px) {
-    padding-bottom: 0;
-  }
 }
 
 button {
@@ -68,18 +79,3 @@ button {
   align-items: center;
   justify-content: center;
 }
-
-.system-font {
-  // system-ui => standard property (Chrome/Android WebView 56+, Opera 43+, Safari 11+)
-  // -apple-system => Safari <11 specific
-  // BlinkMacSystemFont => Chrome <56 on macOS specific
-  // Segoe UI => Windows 7/8/10
-  // Oxygen => KDE
-  // Ubuntu => Unity/Ubuntu
-  // Cantarell => GNOME
-  // Fira Sans => Firefox OS
-  // Droid Sans => Older Androids (<4.0)
-  // Helvetica Neue => Older macOS <10.11
-  // mastodon-font-sans-serif => web-font (Roboto) fallback and newer Androids (>=4.0)
-  font-family: system-ui, -apple-system,BlinkMacSystemFont, "Segoe UI","Oxygen", "Ubuntu","Cantarell","Fira Sans","Droid Sans","Helvetica Neue",mastodon-font-sans-serif, sans-serif;
-}
diff --git a/app/javascript/styles/components.scss b/app/javascript/styles/components.scss
index 0d086ed45..2f2d6e1f0 100644
--- a/app/javascript/styles/components.scss
+++ b/app/javascript/styles/components.scss
@@ -238,6 +238,8 @@
   line-height: 0;
   display: inline-block;
   width: 0;
+  height: 0;
+  position: absolute;
 }
 
 .ellipsis {
@@ -395,6 +397,11 @@
       bottom: -1px;
       right: 8px;
     }
+
+    ::-webkit-scrollbar-track:hover,
+    ::-webkit-scrollbar-track:active {
+      background-color: rgba($base-overlay-background, 0.3);
+    }
   }
 }
 
@@ -1288,6 +1295,8 @@
   strong,
   span {
     display: block;
+    text-overflow: ellipsis;
+    overflow: hidden;
   }
 
   strong {
@@ -2130,7 +2139,7 @@
 
 .character-counter__wrapper {
   line-height: 36px;
-  margin-right: 16px;
+  margin: 0 16px 0 8px;
   padding-top: 10px;
 }
 
@@ -2313,6 +2322,18 @@ button.icon-button.active i.fa-retweet {
   background: lighten($ui-base-color, 8%);
 }
 
+.status-card.horizontal {
+  display: block;
+
+  .status-card__image {
+    width: 100%;
+  }
+
+  .status-card__image-image {
+    border-radius: 4px 4px 0 0;
+  }
+}
+
 .status-card__image-image {
   border-radius: 4px 0 0 4px;
   display: block;
@@ -2671,12 +2692,8 @@ button.icon-button.active i.fa-retweet {
 }
 
 .media-spoiler {
-  align-items: center;
   background: $base-overlay-background;
   color: $primary-text-color;
-  cursor: pointer;
-  display: flex;
-  flex-direction: column;
   border: 0;
   width: 100%;
   height: 100%;
@@ -3533,7 +3550,8 @@ button.icon-button.active i.fa-retweet {
 }
 
 .onboarding-modal,
-.error-modal {
+.error-modal,
+.embed-modal {
   background: $ui-secondary-color;
   color: $ui-base-color;
   border-radius: 8px;
@@ -4348,6 +4366,15 @@ noscript {
     margin: 30px auto;
     color: $ui-secondary-color;
     max-width: 400px;
+
+    a {
+      color: $ui-highlight-color;
+      text-decoration: underline;
+
+      &:hover {
+        text-decoration: none;
+      }
+    }
   }
 }
 
@@ -4455,3 +4482,61 @@ noscript {
     height: 100% !important;
   }
 }
+
+.embed-modal__html {
+  color: $ui-secondary-color;
+  outline: 0;
+  box-sizing: border-box;
+  display: block;
+  width: 100%;
+  border: none;
+  padding: 10px;
+  font-family: 'mastodon-font-monospace', monospace;
+  background: $ui-base-color;
+  color: $ui-primary-color;
+  font-size: 14px;
+  margin: 0;
+  margin-bottom: 15px;
+
+  &::-moz-focus-inner {
+    border: 0;
+  }
+
+  &::-moz-focus-inner,
+  &:focus,
+  &:active {
+    outline: 0 !important;
+  }
+
+  &:focus {
+    background: lighten($ui-base-color, 4%);
+  }
+
+  @media screen and (max-width: 600px) {
+    font-size: 16px;
+  }
+}
+
+.embed-modal {
+  h4 {
+    padding: 30px;
+    font-weight: 500;
+    font-size: 16px;
+    text-align: center;
+  }
+
+  .hint {
+    margin-bottom: 15px;
+  }
+}
+
+.embed-modal__container {
+  padding: 10px;
+}
+
+.embed-modal__iframe {
+  width: 100%;
+  min-width: 400px;
+  overflow: hidden;
+  border: 0;
+}
diff --git a/app/javascript/styles/containers.scss b/app/javascript/styles/containers.scss
index 536f4e5a1..af2589e23 100644
--- a/app/javascript/styles/containers.scss
+++ b/app/javascript/styles/containers.scss
@@ -44,6 +44,22 @@
   }
 }
 
+.compose-standalone {
+  .compose-form {
+    width: 400px;
+    margin: 0 auto;
+    padding: 20px 0;
+    margin-top: 40px;
+    box-sizing: border-box;
+
+    @media screen and (max-width: 400px) {
+      width: 100%;
+      margin-top: 0;
+      padding: 20px;
+    }
+  }
+}
+
 .account-header {
   width: 400px;
   margin: 0 auto;
@@ -56,7 +72,7 @@
   margin-bottom: -30px;
   margin-top: 40px;
 
-  @media screen and (max-width: 400px) {
+  @media screen and (max-width: 440px) {
     width: 100%;
     margin: 0;
     margin-bottom: 10px;
@@ -81,10 +97,13 @@
   .name {
     flex: 1 1 auto;
     color: $ui-secondary-color;
+    width: calc(100% - 88px);
 
     .username {
       display: block;
       font-weight: 500;
+      text-overflow: ellipsis;
+      overflow: hidden;
     }
   }
 
@@ -92,5 +111,6 @@
     display: block;
     font-size: 32px;
     line-height: 40px;
+    margin-left: 8px;
   }
 }
diff --git a/app/javascript/styles/forms.scss b/app/javascript/styles/forms.scss
index 62094e98e..747610237 100644
--- a/app/javascript/styles/forms.scss
+++ b/app/javascript/styles/forms.scss
@@ -24,7 +24,7 @@ code {
 
   p.hint {
     margin-bottom: 15px;
-    color: lighten($ui-base-color, 32%);
+    color: $ui-primary-color;
 
     &.subtle-hint {
       text-align: center;
@@ -32,10 +32,10 @@ code {
       line-height: 18px;
       margin-top: 15px;
       margin-bottom: 0;
-      color: $ui-base-lighter-color;
+      color: $ui-primary-color;
 
       a {
-        color: $ui-primary-color;
+        color: $ui-highlight-color;
       }
     }
   }
@@ -53,7 +53,6 @@ code {
 
     label {
       flex: 0 0 auto;
-      width: 100px;
     }
 
     input {
@@ -65,12 +64,37 @@ code {
     padding: 15px 0;
     margin-bottom: 0;
 
+    .label_input {
+      flex-wrap: wrap;
+      align-items: flex-start;
+    }
+
+    &.select .label_input {
+      align-items: initial;
+    }
+
     .label_input > label {
       font-family: inherit;
       font-size: 16px;
       color: $primary-text-color;
       display: block;
       padding-top: 5px;
+      margin-bottom: 5px;
+      flex: 1;
+      min-width: 150px;
+      word-wrap: break-word;
+
+      &.select {
+        flex: 0;
+      }
+
+      & ~ * {
+        margin-left: 10px;
+      }
+    }
+
+    ul {
+      flex: 390px;
     }
 
     &.boolean {
@@ -359,17 +383,23 @@ code {
     color: $ui-secondary-color;
     font-weight: 500;
   }
+
+  @media screen and (max-width: 740px) and (min-width: 441px) {
+    margin-top: 40px;
+  }
 }
 
 .qr-wrapper {
   display: flex;
+  flex-wrap: wrap;
+  align-items: flex-start;
 }
 
 .qr-code {
   flex: 0 0 auto;
   background: $simple-background-color;
   padding: 4px;
-  margin-bottom: 20px;
+  margin: 0 10px 20px 0;
   box-shadow: 0 0 15px rgba($base-shadow-color, 0.2);
   display: inline-block;
 
@@ -380,8 +410,9 @@ code {
 }
 
 .qr-alternative {
-  margin-left: 10px;
-  color: $ui-primary-color;
+  margin-bottom: 20px;
+  color: $ui-secondary-color;
+  flex: 150px;
 
   samp {
     display: block;
@@ -391,7 +422,6 @@ code {
 
 .table-form {
   p {
-    max-width: 400px;
     margin-bottom: 15px;
 
     strong {
@@ -403,7 +433,6 @@ code {
 .simple_form,
 .table-form {
   .warning {
-    max-width: 400px;
     box-sizing: border-box;
     background: rgba($error-value-color, 0.5);
     color: $primary-text-color;
diff --git a/app/javascript/styles/landing_strip.scss b/app/javascript/styles/landing_strip.scss
index d2ac5b822..15ff84912 100644
--- a/app/javascript/styles/landing_strip.scss
+++ b/app/javascript/styles/landing_strip.scss
@@ -5,6 +5,8 @@
   padding: 14px;
   border-radius: 4px;
   margin-bottom: 20px;
+  display: flex;
+  align-items: center;
 
   strong,
   a {
@@ -15,4 +17,15 @@
     color: inherit;
     text-decoration: underline;
   }
+
+  .logo {
+    width: 30px;
+    height: 30px;
+    flex: 0 0 auto;
+    margin-right: 15px;
+  }
+
+  @media screen and (max-width: 740px) {
+    margin-bottom: 0;
+  }
 }
diff --git a/app/javascript/styles/rtl.scss b/app/javascript/styles/rtl.scss
index 4966fbc21..6c003d69a 100644
--- a/app/javascript/styles/rtl.scss
+++ b/app/javascript/styles/rtl.scss
@@ -8,7 +8,7 @@ body.rtl {
   }
 
   .character-counter__wrapper {
-    margin-right: 0;
+    margin-right: 8px;
     margin-left: 16px;
   }
 
@@ -32,6 +32,11 @@ body.rtl {
     right: auto;
   }
 
+  .column-header__back-button {
+    padding-left: 5px;
+    padding-right: 0;
+  }
+
   .column-header__setting-arrows {
     float: left;
   }
@@ -54,25 +59,64 @@ body.rtl {
     right: 10px;
   }
 
-  .status {
+  .status,
+  .activity-stream .status.light {
     padding-left: 10px;
     padding-right: 68px;
   }
 
-  .status__info .status__display-name {
+  .status__info .status__display-name,
+  .activity-stream .status.light .status__display-name {
     padding-left: 25px;
     padding-right: 0;
   }
 
+  .activity-stream .pre-header {
+    padding-right: 68px;
+    padding-left: 0;
+  }
+
+  .status__prepend {
+    margin-left: 0;
+    margin-right: 68px;
+  }
+
+  .status__prepend-icon-wrapper {
+    left: auto;
+    right: -26px;
+  }
+
+  .activity-stream .pre-header .pre-header__icon {
+    left: auto;
+    right: 42px;
+  }
+
+  .account__avatar-overlay-overlay {
+    right: auto;
+    left: 0;
+  }
+
   .column-back-button--slim-button {
     right: auto;
     left: 0;
   }
 
-  .status__relative-time {
+  .status__relative-time,
+  .activity-stream .status.light .status__header .status__meta {
     float: left;
   }
 
+  .activity-stream .detailed-status.light .detailed-status__display-name > div {
+    float: right;
+    margin-right: 0;
+    margin-left: 10px;
+  }
+
+  .activity-stream .detailed-status.light .detailed-status__meta span > span {
+    margin-left: 0;
+    margin-right: 6px;
+  }
+
   .status__action-bar-button {
     float: right;
     margin-right: 0;
@@ -129,6 +173,78 @@ body.rtl {
     right: -2.14285714em;
   }
 
+  .admin-wrapper .sidebar ul a i.fa,
+  a.table-action-link i.fa {
+    margin-right: 0;
+    margin-left: 5px;
+  }
+
+  .simple_form .check_boxes .checkbox label,
+  .simple_form .input.with_label.boolean label.checkbox {
+    padding-left: 0;
+    padding-right: 25px;
+  }
+
+  .simple_form .check_boxes .checkbox input[type="checkbox"],
+  .simple_form .input.boolean input[type="checkbox"] {
+    left: auto;
+    right: 0;
+  }
+
+  .simple_form .input-with-append .input input {
+    padding-left: 127px;
+    padding-right: 0;
+  }
+
+  .simple_form .input-with-append .append {
+    right: auto;
+    left: 0;
+  }
+
+  .table th,
+  .table td {
+    text-align: right;
+  }
+
+  .filters .filter-subset {
+    margin-right: 0;
+    margin-left: 45px;
+  }
+
+  .landing-page .header-wrapper .mascot {
+    right: 60px;
+    left: auto;
+  }
+
+  .landing-page .header .hero .floats .float-1 {
+    left: -120px;
+    right: auto;
+  }
+
+  .landing-page .header .hero .floats .float-2 {
+    left: 210px;
+    right: auto;
+  }
+
+  .landing-page .header .hero .floats .float-3 {
+    left: 110px;
+    right: auto;
+  }
+
+  .landing-page .header .links .brand img {
+    left: 0;
+  }
+
+  .landing-page .fa-external-link {
+    padding-right: 5px;
+    padding-left: 0 !important;
+  }
+
+  .landing-page .features #mastodon-timeline {
+    margin-right: 0;
+    margin-left: 30px;
+  }
+
   @media screen and (min-width: 1025px) {
     .column,
     .drawer {
@@ -139,11 +255,6 @@ body.rtl {
         padding-left: 5px;
         padding-right: 10px;
       }
-
-      &:last-child {
-        padding-right: 0;
-        padding-left: 10px;
-      }
     }
 
     .columns-area > div {
diff --git a/app/javascript/styles/stream_entries.scss b/app/javascript/styles/stream_entries.scss
index 90a43388b..00e430184 100644
--- a/app/javascript/styles/stream_entries.scss
+++ b/app/javascript/styles/stream_entries.scss
@@ -8,6 +8,7 @@
     .detailed-status.light,
     .status.light {
       border-bottom: 1px solid $ui-secondary-color;
+      animation: none;
     }
 
     &:last-child {
@@ -34,6 +35,14 @@
         }
       }
     }
+
+    @media screen and (max-width: 740px) {
+      &,
+      .detailed-status.light,
+      .status.light {
+        border-radius: 0 !important;
+      }
+    }
   }
 
   &.with-header {
@@ -44,6 +53,14 @@
         .status.light {
           border-radius: 0;
         }
+
+        &:last-child {
+          &,
+          .detailed-status.light,
+          .status.light {
+            border-radius: 0 0 4px 4px;
+          }
+        }
       }
     }
   }
@@ -400,3 +417,33 @@
     }
   }
 }
+
+.button.button-secondary.logo-button {
+  position: absolute;
+  right: 14px;
+  top: 14px;
+  font-size: 14px;
+
+  svg {
+    width: 20px;
+    height: auto;
+    vertical-align: middle;
+    margin-right: 5px;
+
+    path:first-child {
+      fill: $ui-primary-color;
+    }
+
+    path:last-child {
+      fill: $simple-background-color;
+    }
+  }
+
+  &:active,
+  &:focus,
+  &:hover {
+    svg path:first-child {
+      fill: lighten($ui-primary-color, 4%);
+    }
+  }
+}
diff --git a/app/javascript/styles/tables.scss b/app/javascript/styles/tables.scss
index 6e54c59c0..f6e57e196 100644
--- a/app/javascript/styles/tables.scss
+++ b/app/javascript/styles/tables.scss
@@ -46,7 +46,7 @@
   &.inline-table {
     td,
     th {
-      padding: 8px 0;
+      padding: 8px 2px;
     }
 
     & > tbody > tr:nth-child(odd) > td,
diff --git a/app/lib/activitypub/activity.rb b/app/lib/activitypub/activity.rb
new file mode 100644
index 000000000..b06dd6194
--- /dev/null
+++ b/app/lib/activitypub/activity.rb
@@ -0,0 +1,106 @@
+# frozen_string_literal: true
+
+class ActivityPub::Activity
+  include JsonLdHelper
+
+  def initialize(json, account)
+    @json    = json
+    @account = account
+    @object  = @json['object']
+  end
+
+  def perform
+    raise NotImplementedError
+  end
+
+  class << self
+    def factory(json, account)
+      @json = json
+      klass&.new(json, account)
+    end
+
+    private
+
+    def klass
+      case @json['type']
+      when 'Create'
+        ActivityPub::Activity::Create
+      when 'Announce'
+        ActivityPub::Activity::Announce
+      when 'Delete'
+        ActivityPub::Activity::Delete
+      when 'Follow'
+        ActivityPub::Activity::Follow
+      when 'Like'
+        ActivityPub::Activity::Like
+      when 'Block'
+        ActivityPub::Activity::Block
+      when 'Update'
+        ActivityPub::Activity::Update
+      when 'Undo'
+        ActivityPub::Activity::Undo
+      when 'Accept'
+        ActivityPub::Activity::Accept
+      when 'Reject'
+        ActivityPub::Activity::Reject
+      end
+    end
+  end
+
+  protected
+
+  def status_from_uri(uri)
+    ActivityPub::TagManager.instance.uri_to_resource(uri, Status)
+  end
+
+  def account_from_uri(uri)
+    ActivityPub::TagManager.instance.uri_to_resource(uri, Account)
+  end
+
+  def object_uri
+    @object_uri ||= value_or_id(@object)
+  end
+
+  def redis
+    Redis.current
+  end
+
+  def distribute(status)
+    notify_about_reblog(status) if reblog_of_local_account?(status)
+    notify_about_mentions(status)
+    crawl_links(status)
+    distribute_to_followers(status)
+  end
+
+  def reblog_of_local_account?(status)
+    status.reblog? && status.reblog.account.local?
+  end
+
+  def notify_about_reblog(status)
+    NotifyService.new.call(status.reblog.account, status)
+  end
+
+  def notify_about_mentions(status)
+    status.mentions.includes(:account).each do |mention|
+      next unless mention.account.local? && audience_includes?(mention.account)
+      NotifyService.new.call(mention.account, mention)
+    end
+  end
+
+  def crawl_links(status)
+    return if status.spoiler_text?
+    LinkCrawlWorker.perform_async(status.id)
+  end
+
+  def distribute_to_followers(status)
+    ::DistributionWorker.perform_async(status.id)
+  end
+
+  def delete_arrived_first?(uri)
+    redis.exists("delete_upon_arrival:#{@account.id}:#{uri}")
+  end
+
+  def delete_later!(uri)
+    redis.setex("delete_upon_arrival:#{@account.id}:#{uri}", 6.hours.seconds, uri)
+  end
+end
diff --git a/app/lib/activitypub/activity/accept.rb b/app/lib/activitypub/activity/accept.rb
new file mode 100644
index 000000000..bd90c9019
--- /dev/null
+++ b/app/lib/activitypub/activity/accept.rb
@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+class ActivityPub::Activity::Accept < ActivityPub::Activity
+  def perform
+    case @object['type']
+    when 'Follow'
+      accept_follow
+    end
+  end
+
+  private
+
+  def accept_follow
+    target_account = account_from_uri(target_uri)
+
+    return if target_account.nil? || !target_account.local?
+
+    follow_request = FollowRequest.find_by(account: target_account, target_account: @account)
+    follow_request&.authorize!
+  end
+
+  def target_uri
+    @target_uri ||= value_or_id(@object['actor'])
+  end
+end
diff --git a/app/lib/activitypub/activity/announce.rb b/app/lib/activitypub/activity/announce.rb
new file mode 100644
index 000000000..c4da405c7
--- /dev/null
+++ b/app/lib/activitypub/activity/announce.rb
@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+class ActivityPub::Activity::Announce < ActivityPub::Activity
+  def perform
+    original_status   = status_from_uri(object_uri)
+    original_status ||= fetch_remote_original_status
+
+    return if original_status.nil? || delete_arrived_first?(@json['id'])
+
+    status = Status.find_by(account: @account, reblog: original_status)
+
+    return status unless status.nil?
+
+    status = Status.create!(account: @account, reblog: original_status, uri: @json['id'])
+    distribute(status)
+    status
+  end
+
+  private
+
+  def fetch_remote_original_status
+    if object_uri.start_with?('http')
+      ActivityPub::FetchRemoteStatusService.new.call(object_uri)
+    elsif @object['url'].present?
+      ::FetchRemoteStatusService.new.call(@object['url'])
+    end
+  end
+end
diff --git a/app/lib/activitypub/activity/block.rb b/app/lib/activitypub/activity/block.rb
new file mode 100644
index 000000000..f630d5db2
--- /dev/null
+++ b/app/lib/activitypub/activity/block.rb
@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+
+class ActivityPub::Activity::Block < ActivityPub::Activity
+  def perform
+    target_account = account_from_uri(object_uri)
+
+    return if target_account.nil? || !target_account.local? || delete_arrived_first?(@json['id']) || @account.blocking?(target_account)
+
+    UnfollowService.new.call(target_account, @account) if target_account.following?(@account)
+    @account.block!(target_account)
+  end
+end
diff --git a/app/lib/activitypub/activity/create.rb b/app/lib/activitypub/activity/create.rb
new file mode 100644
index 000000000..081e80570
--- /dev/null
+++ b/app/lib/activitypub/activity/create.rb
@@ -0,0 +1,175 @@
+# frozen_string_literal: true
+
+class ActivityPub::Activity::Create < ActivityPub::Activity
+  def perform
+    return if delete_arrived_first?(object_uri) || unsupported_object_type?
+
+    status = find_existing_status
+
+    return status unless status.nil?
+
+    ApplicationRecord.transaction do
+      status = Status.create!(status_params)
+
+      process_tags(status)
+      process_attachments(status)
+    end
+
+    resolve_thread(status)
+    distribute(status)
+    forward_for_reply if status.public_visibility? || status.unlisted_visibility?
+
+    status
+  end
+
+  private
+
+  def find_existing_status
+    status   = status_from_uri(object_uri)
+    status ||= Status.find_by(uri: @object['atomUri']) if @object['atomUri'].present?
+    status
+  end
+
+  def status_params
+    {
+      uri: @object['id'],
+      url: @object['url'] || @object['id'],
+      account: @account,
+      text: text_from_content || '',
+      language: language_from_content,
+      spoiler_text: @object['summary'] || '',
+      created_at: @object['published'] || Time.now.utc,
+      reply: @object['inReplyTo'].present?,
+      sensitive: @object['sensitive'] || false,
+      visibility: visibility_from_audience,
+      thread: replied_to_status,
+      conversation: conversation_from_uri(@object['conversation']),
+    }
+  end
+
+  def process_tags(status)
+    return unless @object['tag'].is_a?(Array)
+
+    @object['tag'].each do |tag|
+      case tag['type']
+      when 'Hashtag'
+        process_hashtag tag, status
+      when 'Mention'
+        process_mention tag, status
+      end
+    end
+  end
+
+  def process_hashtag(tag, status)
+    hashtag = tag['name'].gsub(/\A#/, '').mb_chars.downcase
+    hashtag = Tag.where(name: hashtag).first_or_initialize(name: hashtag)
+
+    status.tags << hashtag
+  end
+
+  def process_mention(tag, status)
+    account = account_from_uri(tag['href'])
+    account = FetchRemoteAccountService.new.call(tag['href']) if account.nil?
+    return if account.nil?
+    account.mentions.create(status: status)
+  end
+
+  def process_attachments(status)
+    return unless @object['attachment'].is_a?(Array)
+
+    @object['attachment'].each do |attachment|
+      next if unsupported_media_type?(attachment['mediaType'])
+
+      href             = Addressable::URI.parse(attachment['url']).normalize.to_s
+      media_attachment = MediaAttachment.create(status: status, account: status.account, remote_url: href)
+
+      next if skip_download?
+
+      media_attachment.file_remote_url = href
+      media_attachment.save
+    end
+  end
+
+  def resolve_thread(status)
+    return unless status.reply? && status.thread.nil?
+    ThreadResolveWorker.perform_async(status.id, in_reply_to_uri)
+  end
+
+  def conversation_from_uri(uri)
+    return nil if uri.nil?
+    return Conversation.find_by(id: TagManager.instance.unique_tag_to_local_id(uri, 'Conversation')) if TagManager.instance.local_id?(uri)
+    Conversation.find_by(uri: uri) || Conversation.create!(uri: uri)
+  end
+
+  def visibility_from_audience
+    if equals_or_includes?(@object['to'], ActivityPub::TagManager::COLLECTIONS[:public])
+      :public
+    elsif equals_or_includes?(@object['cc'], ActivityPub::TagManager::COLLECTIONS[:public])
+      :unlisted
+    elsif equals_or_includes?(@object['to'], @account.followers_url)
+      :private
+    else
+      :direct
+    end
+  end
+
+  def audience_includes?(account)
+    uri = ActivityPub::TagManager.instance.uri_for(account)
+    equals_or_includes?(@object['to'], uri) || equals_or_includes?(@object['cc'], uri)
+  end
+
+  def replied_to_status
+    return @replied_to_status if defined?(@replied_to_status)
+
+    if in_reply_to_uri.blank?
+      @replied_to_status = nil
+    else
+      @replied_to_status   = status_from_uri(in_reply_to_uri)
+      @replied_to_status ||= status_from_uri(@object['inReplyToAtomUri']) if @object['inReplyToAtomUri'].present?
+      @replied_to_status
+    end
+  end
+
+  def in_reply_to_uri
+    value_or_id(@object['inReplyTo'])
+  end
+
+  def text_from_content
+    if @object['content'].present?
+      @object['content']
+    elsif language_map?
+      @object['contentMap'].values.first
+    end
+  end
+
+  def language_from_content
+    return nil unless language_map?
+    @object['contentMap'].keys.first
+  end
+
+  def language_map?
+    @object['contentMap'].is_a?(Hash) && !@object['contentMap'].empty?
+  end
+
+  def unsupported_object_type?
+    @object.is_a?(String) || !%w(Article Note).include?(@object['type'])
+  end
+
+  def unsupported_media_type?(mime_type)
+    mime_type.present? && !(MediaAttachment::IMAGE_MIME_TYPES + MediaAttachment::VIDEO_MIME_TYPES).include?(mime_type)
+  end
+
+  def skip_download?
+    return @skip_download if defined?(@skip_download)
+    @skip_download ||= DomainBlock.find_by(domain: @account.domain)&.reject_media?
+  end
+
+  def reply_to_local?
+    !replied_to_status.nil? && replied_to_status.account.local?
+  end
+
+  def forward_for_reply
+    return unless @json['signature'].present? && reply_to_local?
+    ActivityPub::RawDistributionWorker.perform_async(Oj.dump(@json), replied_to_status.account_id)
+  end
+end
diff --git a/app/lib/activitypub/activity/delete.rb b/app/lib/activitypub/activity/delete.rb
new file mode 100644
index 000000000..4c6afb090
--- /dev/null
+++ b/app/lib/activitypub/activity/delete.rb
@@ -0,0 +1,45 @@
+# frozen_string_literal: true
+
+class ActivityPub::Activity::Delete < ActivityPub::Activity
+  def perform
+    if @account.uri == object_uri
+      delete_person
+    else
+      delete_note
+    end
+  end
+
+  private
+
+  def delete_person
+    SuspendAccountService.new.call(@account)
+  end
+
+  def delete_note
+    status   = Status.find_by(uri: object_uri, account: @account)
+    status ||= Status.find_by(uri: @object['atomUri'], account: @account) if @object.is_a?(Hash) && @object['atomUri'].present?
+
+    delete_later!(object_uri)
+
+    return if status.nil?
+
+    forward_for_reblogs(status)
+    delete_now!(status)
+  end
+
+  def forward_for_reblogs(status)
+    return if @json['signature'].blank?
+
+    ActivityPub::RawDistributionWorker.push_bulk(status.reblogs.includes(:account).references(:account).merge(Account.local).pluck(:account_id)) do |account_id|
+      [payload, account_id]
+    end
+  end
+
+  def delete_now!(status)
+    RemoveStatusService.new.call(status)
+  end
+
+  def payload
+    @payload ||= Oj.dump(@json)
+  end
+end
diff --git a/app/lib/activitypub/activity/follow.rb b/app/lib/activitypub/activity/follow.rb
new file mode 100644
index 000000000..8adbbb9c3
--- /dev/null
+++ b/app/lib/activitypub/activity/follow.rb
@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+class ActivityPub::Activity::Follow < ActivityPub::Activity
+  def perform
+    target_account = account_from_uri(object_uri)
+
+    return if target_account.nil? || !target_account.local? || delete_arrived_first?(@json['id']) || @account.requested?(target_account)
+
+    # Fast-forward repeat follow requests
+    if @account.following?(target_account)
+      AuthorizeFollowService.new.call(@account, target_account, skip_follow_request: true)
+      return
+    end
+
+    follow_request = FollowRequest.create!(account: @account, target_account: target_account)
+
+    if target_account.locked?
+      NotifyService.new.call(target_account, follow_request)
+    else
+      AuthorizeFollowService.new.call(@account, target_account)
+      NotifyService.new.call(target_account, ::Follow.find_by(account: @account, target_account: target_account))
+    end
+  end
+end
diff --git a/app/lib/activitypub/activity/like.rb b/app/lib/activitypub/activity/like.rb
new file mode 100644
index 000000000..674d5fe47
--- /dev/null
+++ b/app/lib/activitypub/activity/like.rb
@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+
+class ActivityPub::Activity::Like < ActivityPub::Activity
+  def perform
+    original_status = status_from_uri(object_uri)
+
+    return if original_status.nil? || !original_status.account.local? || delete_arrived_first?(@json['id']) || @account.favourited?(original_status)
+
+    favourite = original_status.favourites.create!(account: @account)
+    NotifyService.new.call(original_status.account, favourite)
+  end
+end
diff --git a/app/lib/activitypub/activity/reject.rb b/app/lib/activitypub/activity/reject.rb
new file mode 100644
index 000000000..d815feeb6
--- /dev/null
+++ b/app/lib/activitypub/activity/reject.rb
@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+class ActivityPub::Activity::Reject < ActivityPub::Activity
+  def perform
+    case @object['type']
+    when 'Follow'
+      reject_follow
+    end
+  end
+
+  private
+
+  def reject_follow
+    target_account = account_from_uri(target_uri)
+
+    return if target_account.nil? || !target_account.local?
+
+    follow_request = FollowRequest.find_by(account: target_account, target_account: @account)
+    follow_request&.reject!
+  end
+
+  def target_uri
+    @target_uri ||= value_or_id(@object['actor'])
+  end
+end
diff --git a/app/lib/activitypub/activity/undo.rb b/app/lib/activitypub/activity/undo.rb
new file mode 100644
index 000000000..4b0905de2
--- /dev/null
+++ b/app/lib/activitypub/activity/undo.rb
@@ -0,0 +1,71 @@
+# frozen_string_literal: true
+
+class ActivityPub::Activity::Undo < ActivityPub::Activity
+  def perform
+    case @object['type']
+    when 'Announce'
+      undo_announce
+    when 'Follow'
+      undo_follow
+    when 'Like'
+      undo_like
+    when 'Block'
+      undo_block
+    end
+  end
+
+  private
+
+  def undo_announce
+    status = Status.find_by(uri: object_uri, account: @account)
+
+    if status.nil?
+      delete_later!(object_uri)
+    else
+      RemoveStatusService.new.call(status)
+    end
+  end
+
+  def undo_follow
+    target_account = account_from_uri(target_uri)
+
+    return if target_account.nil? || !target_account.local?
+
+    if @account.following?(target_account)
+      @account.unfollow!(target_account)
+    elsif @account.requested?(target_account)
+      FollowRequest.find_by(account: @account, target_account: target_account)&.destroy
+    else
+      delete_later!(object_uri)
+    end
+  end
+
+  def undo_like
+    status = status_from_uri(target_uri)
+
+    return if status.nil? || !status.account.local?
+
+    if @account.favourited?(status)
+      favourite = status.favourites.where(account: @account).first
+      favourite&.destroy
+    else
+      delete_later!(object_uri)
+    end
+  end
+
+  def undo_block
+    target_account = account_from_uri(target_uri)
+
+    return if target_account.nil? || !target_account.local?
+
+    if @account.blocking?(target_account)
+      UnblockService.new.call(@account, target_account)
+    else
+      delete_later!(object_uri)
+    end
+  end
+
+  def target_uri
+    @target_uri ||= value_or_id(@object['object'])
+  end
+end
diff --git a/app/lib/activitypub/activity/update.rb b/app/lib/activitypub/activity/update.rb
new file mode 100644
index 000000000..0134b4015
--- /dev/null
+++ b/app/lib/activitypub/activity/update.rb
@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+class ActivityPub::Activity::Update < ActivityPub::Activity
+  def perform
+    case @object['type']
+    when 'Person'
+      update_account
+    end
+  end
+
+  private
+
+  def update_account
+    return if @account.uri != object_uri
+    ActivityPub::ProcessAccountService.new.call(@account.username, @account.domain, @object)
+  end
+end
diff --git a/app/lib/activitypub/adapter.rb b/app/lib/activitypub/adapter.rb
index 0a70207bc..6ed66a239 100644
--- a/app/lib/activitypub/adapter.rb
+++ b/app/lib/activitypub/adapter.rb
@@ -1,13 +1,34 @@
 # frozen_string_literal: true
 
 class ActivityPub::Adapter < ActiveModelSerializers::Adapter::Base
+  CONTEXT = {
+    '@context': [
+      'https://www.w3.org/ns/activitystreams',
+      'https://w3id.org/security/v1',
+
+      {
+        'manuallyApprovesFollowers' => 'as:manuallyApprovesFollowers',
+        'sensitive'                 => 'as:sensitive',
+        'Hashtag'                   => 'as:Hashtag',
+        'ostatus'                   => 'http://ostatus.org#',
+        'atomUri'                   => 'ostatus:atomUri',
+        'inReplyToAtomUri'          => 'ostatus:inReplyToAtomUri',
+        'conversation'              => 'ostatus:conversation',
+      },
+    ],
+  }.freeze
+
   def self.default_key_transform
     :camel_lower
   end
 
+  def self.transform_key_casing!(value, _options)
+    ActivityPub::CaseTransform.camel_lower(value)
+  end
+
   def serializable_hash(options = nil)
     options = serialization_options(options)
-    serialized_hash = { '@context': 'https://www.w3.org/ns/activitystreams' }.merge(ActiveModelSerializers::Adapter::Attributes.new(serializer, instance_options).serializable_hash(options))
+    serialized_hash = CONTEXT.merge(ActiveModelSerializers::Adapter::Attributes.new(serializer, instance_options).serializable_hash(options))
     self.class.transform_key_casing!(serialized_hash, instance_options)
   end
 end
diff --git a/app/lib/activitypub/case_transform.rb b/app/lib/activitypub/case_transform.rb
new file mode 100644
index 000000000..7f716f862
--- /dev/null
+++ b/app/lib/activitypub/case_transform.rb
@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+module ActivityPub::CaseTransform
+  class << self
+    def camel_lower_cache
+      @camel_lower_cache ||= {}
+    end
+
+    def camel_lower(value)
+      case value
+      when Array then value.map { |item| camel_lower(item) }
+      when Hash then value.deep_transform_keys! { |key| camel_lower(key) }
+      when Symbol then camel_lower(value.to_s).to_sym
+      when String
+        camel_lower_cache[value] ||= if value.start_with?('_:')
+                                       '_:' + value.gsub(/\A_:/, '').underscore.camelize(:lower)
+                                     else
+                                       value.underscore.camelize(:lower)
+                                     end
+      else value
+      end
+    end
+  end
+end
diff --git a/app/lib/activitypub/linked_data_signature.rb b/app/lib/activitypub/linked_data_signature.rb
new file mode 100644
index 000000000..adb8b6cdf
--- /dev/null
+++ b/app/lib/activitypub/linked_data_signature.rb
@@ -0,0 +1,56 @@
+# frozen_string_literal: true
+
+class ActivityPub::LinkedDataSignature
+  include JsonLdHelper
+
+  CONTEXT = 'https://w3id.org/identity/v1'
+
+  def initialize(json)
+    @json = json.with_indifferent_access
+  end
+
+  def verify_account!
+    return unless @json['signature'].is_a?(Hash)
+
+    type        = @json['signature']['type']
+    creator_uri = @json['signature']['creator']
+    signature   = @json['signature']['signatureValue']
+
+    return unless type == 'RsaSignature2017'
+
+    creator   = ActivityPub::TagManager.instance.uri_to_resource(creator_uri, Account)
+    creator ||= ActivityPub::FetchRemoteKeyService.new.call(creator_uri)
+
+    return if creator.nil?
+
+    options_hash   = hash(@json['signature'].without('type', 'id', 'signatureValue').merge('@context' => CONTEXT))
+    document_hash  = hash(@json.without('signature'))
+    to_be_verified = options_hash + document_hash
+
+    if creator.keypair.public_key.verify(OpenSSL::Digest::SHA256.new, Base64.decode64(signature), to_be_verified)
+      creator
+    end
+  end
+
+  def sign!(creator)
+    options = {
+      'type'    => 'RsaSignature2017',
+      'creator' => [ActivityPub::TagManager.instance.uri_for(creator), '#main-key'].join,
+      'created' => Time.now.utc.iso8601,
+    }
+
+    options_hash  = hash(options.without('type', 'id', 'signatureValue').merge('@context' => CONTEXT))
+    document_hash = hash(@json.without('signature'))
+    to_be_signed  = options_hash + document_hash
+
+    signature = Base64.strict_encode64(creator.keypair.sign(OpenSSL::Digest::SHA256.new, to_be_signed))
+
+    @json.merge('signature' => options.merge('signatureValue' => signature))
+  end
+
+  private
+
+  def hash(obj)
+    Digest::SHA256.hexdigest(canonicalize(obj))
+  end
+end
diff --git a/app/lib/activitypub/tag_manager.rb b/app/lib/activitypub/tag_manager.rb
index ec42bcad3..de575d9e6 100644
--- a/app/lib/activitypub/tag_manager.rb
+++ b/app/lib/activitypub/tag_manager.rb
@@ -6,6 +6,8 @@ class ActivityPub::TagManager
   include Singleton
   include RoutingHelper
 
+  CONTEXT = 'https://www.w3.org/ns/activitystreams'
+
   COLLECTIONS = {
     public: 'https://www.w3.org/ns/activitystreams#Public',
   }.freeze
@@ -17,6 +19,7 @@ class ActivityPub::TagManager
     when :person
       short_account_url(target)
     when :note, :comment, :activity
+      return activity_account_status_url(target.account, target) if target.reblog?
       short_account_status_url(target.account, target)
     end
   end
@@ -28,10 +31,17 @@ class ActivityPub::TagManager
     when :person
       account_url(target)
     when :note, :comment, :activity
+      return activity_account_status_url(target.account, target) if target.reblog?
       account_status_url(target.account, target)
     end
   end
 
+  def activity_uri_for(target)
+    return nil unless %i(note comment activity).include?(target.object_type) && target.local?
+
+    activity_account_status_url(target.account, target)
+  end
+
   # Primary audience of a status
   # Public statuses go out to primarily the public collection
   # Unlisted and private statuses go out primarily to the followers collection
@@ -66,4 +76,32 @@ class ActivityPub::TagManager
 
     cc
   end
+
+  def local_uri?(uri)
+    uri  = Addressable::URI.parse(uri)
+    host = uri.normalized_host
+    host = "#{host}:#{uri.port}" if uri.port
+
+    !host.nil? && (::TagManager.instance.local_domain?(host) || ::TagManager.instance.web_domain?(host))
+  end
+
+  def uri_to_local_id(uri, param = :id)
+    path_params = Rails.application.routes.recognize_path(uri)
+    path_params[param]
+  end
+
+  def uri_to_resource(uri, klass)
+    if local_uri?(uri)
+      case klass.name
+      when 'Account'
+        klass.find_local(uri_to_local_id(uri, :username))
+      else
+        klass.find_by(id: uri_to_local_id(uri))
+      end
+    elsif ::TagManager.instance.local_id?(uri)
+      klass.find_by(id: ::TagManager.instance.unique_tag_to_local_id(uri, klass.to_s))
+    else
+      klass.find_by(uri: uri.split('#').first)
+    end
+  end
 end
diff --git a/app/lib/ostatus/activity/base.rb b/app/lib/ostatus/activity/base.rb
index e1477f0eb..1dc7abee3 100644
--- a/app/lib/ostatus/activity/base.rb
+++ b/app/lib/ostatus/activity/base.rb
@@ -29,21 +29,43 @@ class OStatus::Activity::Base
   end
 
   def url
-    link = @xml.at_xpath('./xmlns:link[@rel="alternate"]', xmlns: TagManager::XMLNS)
+    link = @xml.xpath('./xmlns:link[@rel="alternate"]', xmlns: TagManager::XMLNS).find { |link_candidate| link_candidate['type'] == 'text/html' }
     link.nil? ? nil : link['href']
   end
 
+  def activitypub_uri
+    link = @xml.xpath('./xmlns:link[@rel="alternate"]', xmlns: TagManager::XMLNS).find { |link_candidate| ['application/activity+json', 'application/ld+json; profile="https://www.w3.org/ns/activitystreams"'].include?(link_candidate['type']) }
+    link.nil? ? nil : link['href']
+  end
+
+  def activitypub_uri?
+    activitypub_uri.present?
+  end
+
   private
 
   def find_status(uri)
     if TagManager.instance.local_id?(uri)
       local_id = TagManager.instance.unique_tag_to_local_id(uri, 'Status')
       return Status.find_by(id: local_id)
+    elsif ActivityPub::TagManager.instance.local_uri?(uri)
+      local_id = ActivityPub::TagManager.instance.uri_to_local_id(uri)
+      return Status.find_by(id: local_id)
     end
 
     Status.find_by(uri: uri)
   end
 
+  def find_activitypub_status(uri, href)
+    tag_matches = /tag:([^,:]+)[^:]*:objectId=([\d]+)/.match(uri)
+    href_matches = %r{/users/([^/]+)}.match(href)
+
+    unless tag_matches.nil? || href_matches.nil?
+      uri = "https://#{tag_matches[1]}/users/#{href_matches[1]}/statuses/#{tag_matches[2]}"
+      Status.find_by(uri: uri)
+    end
+  end
+
   def redis
     Redis.current
   end
diff --git a/app/lib/ostatus/activity/creation.rb b/app/lib/ostatus/activity/creation.rb
index e22f746f2..1a23c9efa 100644
--- a/app/lib/ostatus/activity/creation.rb
+++ b/app/lib/ostatus/activity/creation.rb
@@ -9,6 +9,11 @@ class OStatus::Activity::Creation < OStatus::Activity::Base
 
     return [nil, false] if @account.suspended?
 
+    if activitypub_uri? && [:public, :unlisted].include?(visibility_scope)
+      result = perform_via_activitypub
+      return result if result.first.present?
+    end
+
     Rails.logger.debug "Creating remote status #{id}"
 
     # Return early if status already exists in db
@@ -16,24 +21,28 @@ class OStatus::Activity::Creation < OStatus::Activity::Base
 
     return [status, false] unless status.nil?
 
-    status = Status.create!(
-      uri: id,
-      url: url,
-      account: @account,
-      reblog: reblog,
-      text: content,
-      spoiler_text: content_warning,
-      created_at: published,
-      reply: thread?,
-      language: content_language,
-      visibility: visibility_scope,
-      conversation: find_or_create_conversation,
-      thread: thread? ? find_status(thread.first) : nil
-    )
-
-    save_mentions(status)
-    save_hashtags(status)
-    save_media(status)
+    cached_reblog = reblog
+
+    ApplicationRecord.transaction do
+      status = Status.create!(
+        uri: id,
+        url: url,
+        account: @account,
+        reblog: cached_reblog,
+        text: content,
+        spoiler_text: content_warning,
+        created_at: published,
+        reply: thread?,
+        language: content_language,
+        visibility: visibility_scope,
+        conversation: find_or_create_conversation,
+        thread: thread? ? find_status(thread.first) || find_activitypub_status(thread.first, thread.second) : nil
+      )
+
+      save_mentions(status)
+      save_hashtags(status)
+      save_media(status)
+    end
 
     if thread? && status.thread.nil?
       Rails.logger.debug "Trying to attach #{status.id} (#{id}) to #{thread.first}"
@@ -48,6 +57,10 @@ class OStatus::Activity::Creation < OStatus::Activity::Base
     [status, true]
   end
 
+  def perform_via_activitypub
+    [find_status(activitypub_uri) || ActivityPub::FetchRemoteStatusService.new.call(activitypub_uri), false]
+  end
+
   def content
     @xml.at_xpath('./xmlns:content', xmlns: TagManager::XMLNS).content
   end
diff --git a/app/lib/ostatus/activity/deletion.rb b/app/lib/ostatus/activity/deletion.rb
index 860faf501..c98f5ee0a 100644
--- a/app/lib/ostatus/activity/deletion.rb
+++ b/app/lib/ostatus/activity/deletion.rb
@@ -3,7 +3,9 @@
 class OStatus::Activity::Deletion < OStatus::Activity::Base
   def perform
     Rails.logger.debug "Deleting remote status #{id}"
-    status = Status.find_by(uri: id, account: @account)
+
+    status   = Status.find_by(uri: id, account: @account)
+    status ||= Status.find_by(uri: activitypub_uri, account: @account) if activitypub_uri?
 
     if status.nil?
       redis.setex("delete_upon_arrival:#{@account.id}:#{id}", 6 * 3_600, id)
diff --git a/app/lib/ostatus/activity/remote.rb b/app/lib/ostatus/activity/remote.rb
index ecec6886c..5b204b6d8 100644
--- a/app/lib/ostatus/activity/remote.rb
+++ b/app/lib/ostatus/activity/remote.rb
@@ -2,6 +2,10 @@
 
 class OStatus::Activity::Remote < OStatus::Activity::Base
   def perform
-    find_status(id) || FetchRemoteStatusService.new.call(url)
+    if activitypub_uri?
+      find_status(activitypub_uri) || FetchRemoteStatusService.new.call(url)
+    else
+      find_status(id) || FetchRemoteStatusService.new.call(url)
+    end
   end
 end
diff --git a/app/lib/ostatus/atom_serializer.rb b/app/lib/ostatus/atom_serializer.rb
index 0d62361be..81fae4140 100644
--- a/app/lib/ostatus/atom_serializer.rb
+++ b/app/lib/ostatus/atom_serializer.rb
@@ -79,6 +79,9 @@ class OStatus::AtomSerializer
 
     if stream_entry.status.nil?
       append_element(entry, 'content', 'Deleted status')
+    elsif stream_entry.status.destroyed?
+      append_element(entry, 'content', 'Deleted status')
+      append_element(entry, 'link', nil, rel: :alternate, type: 'application/activity+json', href: ActivityPub::TagManager.instance.uri_for(stream_entry.status)) if stream_entry.account.local?
     else
       serialize_status_attributes(entry, stream_entry.status)
     end
@@ -343,6 +346,8 @@ class OStatus::AtomSerializer
   end
 
   def serialize_status_attributes(entry, status)
+    append_element(entry, 'link', nil, rel: :alternate, type: 'application/activity+json', href: ActivityPub::TagManager.instance.uri_for(status)) if status.account.local?
+
     append_element(entry, 'summary', status.spoiler_text, 'xml:lang': status.language) if status.spoiler_text?
     append_element(entry, 'content', Formatter.instance.format(status).to_str, type: 'html', 'xml:lang': status.language)
 
diff --git a/app/lib/request.rb b/app/lib/request.rb
index e73c5ac20..c01e07925 100644
--- a/app/lib/request.rb
+++ b/app/lib/request.rb
@@ -12,15 +12,21 @@ class Request
     @headers = {}
 
     set_common_headers!
+    set_digest! if options.key?(:body)
   end
 
-  def on_behalf_of(account)
+  def on_behalf_of(account, key_id_format = :acct)
     raise ArgumentError unless account.local?
-    @account = account
+
+    @account       = account
+    @key_id_format = key_id_format
+
+    self
   end
 
   def add_headers(new_headers)
     @headers.merge!(new_headers)
+    self
   end
 
   def perform
@@ -40,8 +46,11 @@ class Request
     @headers['Date']         = Time.now.utc.httpdate
   end
 
+  def set_digest!
+    @headers['Digest'] = "SHA-256=#{Digest::SHA256.base64digest(@options[:body])}"
+  end
+
   def signature
-    key_id    = @account.to_webfinger_s
     algorithm = 'rsa-sha256'
     signature = Base64.strict_encode64(@account.keypair.sign(OpenSSL::Digest::SHA256.new, signed_string))
 
@@ -60,6 +69,15 @@ class Request
     @user_agent ||= "#{HTTP::Request::USER_AGENT} (Mastodon/#{Mastodon::Version}; +#{root_url})"
   end
 
+  def key_id
+    case @key_id_format
+    when :acct
+      @account.to_webfinger_s
+    when :uri
+      [ActivityPub::TagManager.instance.uri_for(@account), '#main-key'].join
+    end
+  end
+
   def timeout
     { write: 10, connect: 10, read: 10 }
   end
diff --git a/app/lib/stream_entry_finder.rb b/app/lib/status_finder.rb
index 0ea33229c..4d1aed297 100644
--- a/app/lib/stream_entry_finder.rb
+++ b/app/lib/status_finder.rb
@@ -1,20 +1,22 @@
 # frozen_string_literal: true
 
-class StreamEntryFinder
+class StatusFinder
   attr_reader :url
 
   def initialize(url)
     @url = url
   end
 
-  def stream_entry
+  def status
     verify_action!
 
+    raise ActiveRecord::RecordNotFound unless TagManager.instance.local_url?(url)
+
     case recognized_params[:controller]
     when 'stream_entries'
-      StreamEntry.find(recognized_params[:id])
+      StreamEntry.find(recognized_params[:id]).status
     when 'statuses'
-      Status.find(recognized_params[:id]).stream_entry
+      Status.find(recognized_params[:id])
     else
       raise ActiveRecord::RecordNotFound
     end
diff --git a/app/models/account.rb b/app/models/account.rb
index e217733f5..d0ebf5a5e 100644
--- a/app/models/account.rb
+++ b/app/models/account.rb
@@ -77,6 +77,10 @@ class Account < ApplicationRecord
   has_many :mentions, inverse_of: :account, dependent: :destroy
   has_many :notifications, inverse_of: :account, dependent: :destroy
 
+  # Pinned statuses
+  has_many :status_pins, inverse_of: :account, dependent: :destroy
+  has_many :pinned_statuses, -> { reorder('status_pins.created_at DESC') }, through: :status_pins, class_name: 'Status', source: :status
+
   # Media
   has_many :media_attachments, dependent: :destroy
 
@@ -91,7 +95,7 @@ class Account < ApplicationRecord
   scope :local, -> { where(domain: nil) }
   scope :without_followers, -> { where(followers_count: 0) }
   scope :with_followers, -> { where('followers_count > 0') }
-  scope :expiring, ->(time) { where(subscription_expires_at: nil).or(where('subscription_expires_at < ?', time)).remote.with_followers }
+  scope :expiring, ->(time) { remote.where.not(subscription_expires_at: nil).where('subscription_expires_at < ?', time) }
   scope :partitioned, -> { order('row_number() over (partition by domain)') }
   scope :silenced, -> { where(silenced: true) }
   scope :suspended, -> { where(suspended: true) }
@@ -105,6 +109,7 @@ class Account < ApplicationRecord
            :current_sign_in_ip,
            :current_sign_in_at,
            :confirmed?,
+           :admin?,
            :locale,
            to: :user,
            prefix: true,
@@ -133,11 +138,11 @@ class Account < ApplicationRecord
   end
 
   def keypair
-    OpenSSL::PKey::RSA.new(private_key || public_key)
+    @keypair ||= OpenSSL::PKey::RSA.new(private_key || public_key)
   end
 
   def subscription(webhook_url)
-    OStatus2::Subscription.new(remote_url, secret: secret, lease_seconds: 30.days.seconds, webhook: webhook_url, hub: hub_url)
+    @subscription ||= OStatus2::Subscription.new(remote_url, secret: secret, webhook: webhook_url, hub: hub_url)
   end
 
   def save_with_optional_media!
@@ -171,6 +176,10 @@ class Account < ApplicationRecord
       reorder(nil).pluck('distinct accounts.domain')
     end
 
+    def inboxes
+      reorder(nil).where(protocol: :activitypub).pluck("distinct coalesce(nullif(accounts.shared_inbox_url, ''), accounts.inbox_url)")
+    end
+
     def triadic_closures(account, limit: 5, offset: 0)
       sql = <<-SQL.squish
         WITH first_degree AS (
@@ -263,7 +272,7 @@ class Account < ApplicationRecord
   def generate_keys
     return unless local?
 
-    keypair = OpenSSL::PKey::RSA.new(Rails.env.test? ? 1024 : 2048)
+    keypair = OpenSSL::PKey::RSA.new(Rails.env.test? ? 512 : 2048)
     self.private_key = keypair.to_pem
     self.public_key  = keypair.public_key.to_pem
   end
diff --git a/app/models/concerns/account_avatar.rb b/app/models/concerns/account_avatar.rb
index b0ec689a7..8a5c9a22c 100644
--- a/app/models/concerns/account_avatar.rb
+++ b/app/models/concerns/account_avatar.rb
@@ -8,7 +8,7 @@ module AccountAvatar
   class_methods do
     def avatar_styles(file)
       styles = { original: '120x120#' }
-      styles[:static] = { animated: false } if file.content_type == 'image/gif'
+      styles[:static] = { format: 'png', convert_options: '-coalesce' } if file.content_type == 'image/gif'
       styles
     end
 
diff --git a/app/models/concerns/account_header.rb b/app/models/concerns/account_header.rb
index 542e25abe..aff2aa3f9 100644
--- a/app/models/concerns/account_header.rb
+++ b/app/models/concerns/account_header.rb
@@ -8,7 +8,7 @@ module AccountHeader
   class_methods do
     def header_styles(file)
       styles = { original: '700x335#' }
-      styles[:static] = { animated: false } if file.content_type == 'image/gif'
+      styles[:static] = { format: 'png', convert_options: '-coalesce' } if file.content_type == 'image/gif'
       styles
     end
 
diff --git a/app/models/concerns/account_interactions.rb b/app/models/concerns/account_interactions.rb
index 9ffed2910..b26520f5b 100644
--- a/app/models/concerns/account_interactions.rb
+++ b/app/models/concerns/account_interactions.rb
@@ -138,4 +138,8 @@ module AccountInteractions
   def reblogged?(status)
     status.proper.reblogs.where(account: self).exists?
   end
+
+  def pinned?(status)
+    status_pins.where(status: status).exists?
+  end
 end
diff --git a/app/models/concerns/remotable.rb b/app/models/concerns/remotable.rb
index 1bd87a642..270043a9e 100644
--- a/app/models/concerns/remotable.rb
+++ b/app/models/concerns/remotable.rb
@@ -10,6 +10,8 @@ module Remotable
       alt_method_name = "reset_#{attachment_name}!".to_sym
 
       define_method method_name do |url|
+        return if url.blank?
+
         begin
           parsed_url = Addressable::URI.parse(url).normalize
         rescue Addressable::URI::InvalidURIError
diff --git a/app/models/import.rb b/app/models/import.rb
index 815e02589..4656c3af6 100644
--- a/app/models/import.rb
+++ b/app/models/import.rb
@@ -28,4 +28,5 @@ class Import < ApplicationRecord
 
   has_attached_file :data, url: '/system/:hash.:extension', hash_secret: ENV['PAPERCLIP_SECRET']
   validates_attachment_content_type :data, content_type: FILE_TYPES
+  validates_attachment_presence :data
 end
diff --git a/app/models/media_attachment.rb b/app/models/media_attachment.rb
index 1e8c6d00a..d83ca44f1 100644
--- a/app/models/media_attachment.rb
+++ b/app/models/media_attachment.rb
@@ -142,9 +142,11 @@ class MediaAttachment < ApplicationRecord
 
   def populate_meta
     meta = {}
+
     file.queued_for_write.each do |style, file|
       begin
         geo = Paperclip::Geometry.from_file file
+
         meta[style] = {
           width: geo.width.to_i,
           height: geo.height.to_i,
@@ -155,6 +157,7 @@ class MediaAttachment < ApplicationRecord
         meta[style] = {}
       end
     end
+
     meta
   end
 
diff --git a/app/models/preview_card.rb b/app/models/preview_card.rb
index c334c48aa..b7efac354 100644
--- a/app/models/preview_card.rb
+++ b/app/models/preview_card.rb
@@ -4,16 +4,13 @@
 # Table name: preview_cards
 #
 #  id                 :integer          not null, primary key
-#  status_id          :integer
 #  url                :string           default(""), not null
-#  title              :string
-#  description        :string
+#  title              :string           default(""), not null
+#  description        :string           default(""), not null
 #  image_file_name    :string
 #  image_content_type :string
 #  image_file_size    :integer
 #  image_updated_at   :datetime
-#  created_at         :datetime         not null
-#  updated_at         :datetime         not null
 #  type               :integer          default("link"), not null
 #  html               :text             default(""), not null
 #  author_name        :string           default(""), not null
@@ -22,6 +19,8 @@
 #  provider_url       :string           default(""), not null
 #  width              :integer          default(0), not null
 #  height             :integer          default(0), not null
+#  created_at         :datetime         not null
+#  updated_at         :datetime         not null
 #
 
 class PreviewCard < ApplicationRecord
@@ -31,21 +30,37 @@ class PreviewCard < ApplicationRecord
 
   enum type: [:link, :photo, :video, :rich]
 
-  belongs_to :status
+  has_and_belongs_to_many :statuses
 
-  has_attached_file :image, styles: { original: '120x120#' }, convert_options: { all: '-quality 80 -strip' }
+  has_attached_file :image, styles: { original: '280x120>' }, convert_options: { all: '-quality 80 -strip' }
 
   include Attachmentable
   include Remotable
 
-  validates :url, presence: true
+  validates :url, presence: true, uniqueness: true
   validates_attachment_content_type :image, content_type: IMAGE_MIME_TYPES
   validates_attachment_size :image, less_than: 1.megabytes
 
+  before_save :extract_dimensions, if: :link?
+
   def save_with_optional_image!
     save!
   rescue ActiveRecord::RecordInvalid
     self.image = nil
     save!
   end
+
+  private
+
+  def extract_dimensions
+    file = image.queued_for_write[:original]
+
+    return if file.nil?
+
+    geo         = Paperclip::Geometry.from_file(file)
+    self.width  = geo.width.to_i
+    self.height = geo.height.to_i
+  rescue Paperclip::Errors::NotIdentifiedByImageMagickError
+    nil
+  end
 end
diff --git a/app/models/remote_follow.rb b/app/models/remote_follow.rb
index 8366d43c5..c3f867743 100644
--- a/app/models/remote_follow.rb
+++ b/app/models/remote_follow.rb
@@ -42,7 +42,7 @@ class RemoteFollow
 
   def acct_resource
     @_acct_resource ||= Goldfinger.finger("acct:#{acct}")
-  rescue Goldfinger::Error
+  rescue Goldfinger::Error, HTTP::ConnectionError
     nil
   end
 
diff --git a/app/models/session_activation.rb b/app/models/session_activation.rb
index 7eb16af8f..c1645223b 100644
--- a/app/models/session_activation.rb
+++ b/app/models/session_activation.rb
@@ -25,6 +25,7 @@
 #
 
 class SessionActivation < ApplicationRecord
+  belongs_to :user, inverse_of: :session_activations, required: true
   belongs_to :access_token, class_name: 'Doorkeeper::AccessToken', dependent: :destroy
   belongs_to :web_push_subscription, class_name: 'Web::PushSubscription', dependent: :destroy
 
diff --git a/app/models/status.rb b/app/models/status.rb
index 24eaf7071..f44f79aaf 100644
--- a/app/models/status.rb
+++ b/app/models/status.rb
@@ -47,10 +47,12 @@ class Status < ApplicationRecord
   has_many :replies, foreign_key: 'in_reply_to_id', class_name: 'Status', inverse_of: :thread
   has_many :mentions, dependent: :destroy
   has_many :media_attachments, dependent: :destroy
+
   has_and_belongs_to_many :tags
+  has_and_belongs_to_many :preview_cards
 
   has_one :notification, as: :activity, dependent: :destroy
-  has_one :preview_card, dependent: :destroy
+  has_one :stream_entry, as: :activity, inverse_of: :status
 
   validates :uri, uniqueness: true, unless: :local?
   validates :text, presence: true, unless: :reblog?
@@ -90,7 +92,11 @@ class Status < ApplicationRecord
   end
 
   def verb
-    reblog? ? :share : :post
+    if destroyed?
+      :delete
+    else
+      reblog? ? :share : :post
+    end
   end
 
   def object_type
@@ -110,7 +116,11 @@ class Status < ApplicationRecord
   end
 
   def title
-    reblog? ? "#{account.acct} shared a status by #{reblog.account.acct}" : "New status by #{account.acct}"
+    if destroyed?
+      "#{account.acct} deleted status"
+    else
+      reblog? ? "#{account.acct} shared a status by #{reblog.account.acct}" : "New status by #{account.acct}"
+    end
   end
 
   def hidden?
@@ -164,6 +174,10 @@ class Status < ApplicationRecord
       ConversationMute.select('conversation_id').where(conversation_id: conversation_ids).where(account_id: account_id).map { |m| [m.conversation_id, true] }.to_h
     end
 
+    def pins_map(status_ids, account_id)
+      StatusPin.select('status_id').where(status_id: status_ids).where(account_id: account_id).map { |p| [p.status_id, true] }.to_h
+    end
+
     def reload_stale_associations!(cached_items)
       account_ids = []
 
diff --git a/app/models/status_pin.rb b/app/models/status_pin.rb
new file mode 100644
index 000000000..a72c19750
--- /dev/null
+++ b/app/models/status_pin.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+# == Schema Information
+#
+# Table name: status_pins
+#
+#  id         :integer          not null, primary key
+#  account_id :integer          not null
+#  status_id  :integer          not null
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#
+
+class StatusPin < ApplicationRecord
+  belongs_to :account, required: true
+  belongs_to :status, required: true
+
+  validates_with StatusPinValidator
+end
diff --git a/app/models/subscription.rb b/app/models/subscription.rb
index bf643c1f9..14f1a140c 100644
--- a/app/models/subscription.rb
+++ b/app/models/subscription.rb
@@ -26,6 +26,7 @@ class Subscription < ApplicationRecord
 
   scope :confirmed, -> { where(confirmed: true) }
   scope :future_expiration, -> { where(arel_table[:expires_at].gt(Time.now.utc)) }
+  scope :expired, -> { where(arel_table[:expires_at].lt(Time.now.utc)) }
   scope :active, -> { confirmed.future_expiration }
 
   def lease_seconds=(value)
diff --git a/app/models/user.rb b/app/models/user.rb
index 96a2d09b7..5e548c1ef 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -46,6 +46,8 @@ class User < ApplicationRecord
   belongs_to :account, inverse_of: :user, required: true
   accepts_nested_attributes_for :account
 
+  has_many :applications, class_name: 'Doorkeeper::Application', as: :owner
+
   validates :locale, inclusion: I18n.available_locales.map(&:to_s), if: :locale?
   validates_with BlacklistedEmailValidator, if: :email_changed?
 
@@ -108,10 +110,21 @@ class User < ApplicationRecord
     settings.noindex
   end
 
+  def token_for_app(a)
+    return nil if a.nil? || a.owner != self
+    Doorkeeper::AccessToken
+      .find_or_create_by(application_id: a.id, resource_owner_id: id) do |t|
+
+      t.scopes = a.scopes
+      t.expires_in = Doorkeeper.configuration.access_token_expires_in
+      t.use_refresh_token = Doorkeeper.configuration.refresh_token_enabled?
+    end
+  end
+
   def activate_session(request)
     session_activations.activate(session_id: SecureRandom.hex,
                                  user_agent: request.user_agent,
-                                 ip: request.ip).session_id
+                                 ip: request.remote_ip).session_id
   end
 
   def exclusive_session(id)
diff --git a/app/models/web/push_subscription.rb b/app/models/web/push_subscription.rb
index e76f61278..cb15dfa37 100644
--- a/app/models/web/push_subscription.rb
+++ b/app/models/web/push_subscription.rb
@@ -13,59 +13,14 @@
 #
 
 require 'webpush'
-require_relative '../../models/setting'
 
 class Web::PushSubscription < ApplicationRecord
-  include RoutingHelper
-  include StreamEntriesHelper
-  include ActionView::Helpers::TranslationHelper
-  include ActionView::Helpers::SanitizeHelper
-
   has_one :session_activation
 
-  before_create :send_welcome_notification
-
   def push(notification)
-    name = display_name notification.from_account
-    title = title_str(name, notification)
-    body = body_str notification
-    dir = dir_str body
-    url = url_str notification
-    image = image_str notification
-    actions = actions_arr notification
-
-    access_token = actions.empty? ? nil : find_or_create_access_token(notification).token
-    nsfw = notification.target_status.nil? || notification.target_status.spoiler_text.empty? ? nil : notification.target_status.spoiler_text
-
-    # TODO: Make sure that the payload does not exceed 4KB - Webpush::PayloadTooLarge
-    Webpush.payload_send(
-      message: JSON.generate(
-        title: title,
-        dir: dir,
-        image: image,
-        badge: full_asset_url('badge.png', skip_pipeline: true),
-        tag: notification.id,
-        timestamp: notification.created_at,
-        icon: notification.from_account.avatar_static_url,
-        data: {
-          content: decoder.decode(strip_tags(body)),
-          nsfw: nsfw.nil? ? nil : decoder.decode(strip_tags(nsfw)),
-          url: url,
-          actions: actions,
-          access_token: access_token,
-          message: translate('push_notifications.group.title'), # Do not pass count, will be formatted in the ServiceWorker
-        }
-      ),
-      endpoint: endpoint,
-      p256dh: key_p256dh,
-      auth: key_auth,
-      vapid: {
-        subject: "mailto:#{Setting.site_contact_email}",
-        private_key: Rails.configuration.x.vapid_private_key,
-        public_key: Rails.configuration.x.vapid_public_key,
-      },
-      ttl: 40 * 60 * 60 # 48 hours
-    )
+    I18n.with_locale(session_activation.user.locale || I18n.default_locale) do
+      push_payload(message_from(notification), 48.hours.seconds)
+    end
   end
 
   def pushable?(notification)
@@ -73,120 +28,47 @@ class Web::PushSubscription < ApplicationRecord
   end
 
   def as_payload
-    payload = {
-      id: id,
-      endpoint: endpoint,
-    }
-
+    payload = { id: id, endpoint: endpoint }
     payload[:alerts] = data['alerts'] if data && data.key?('alerts')
-
     payload
   end
 
-  private
-
-  def title_str(name, notification)
-    case notification.type
-    when :mention then translate('push_notifications.mention.title', name: name)
-    when :follow then translate('push_notifications.follow.title', name: name)
-    when :favourite then translate('push_notifications.favourite.title', name: name)
-    when :reblog then translate('push_notifications.reblog.title', name: name)
-    end
+  def access_token
+    find_or_create_access_token.token
   end
 
-  def body_str(notification)
-    case notification.type
-    when :mention then notification.target_status.text
-    when :follow then notification.from_account.note
-    when :favourite then notification.target_status.text
-    when :reblog then notification.target_status.text
-    end
-  end
-
-  def url_str(notification)
-    case notification.type
-    when :mention then web_url("statuses/#{notification.target_status.id}")
-    when :follow then web_url("accounts/#{notification.from_account.id}")
-    when :favourite then web_url("statuses/#{notification.target_status.id}")
-    when :reblog then web_url("statuses/#{notification.target_status.id}")
-    end
-  end
-
-  def actions_arr(notification)
-    actions =
-      case notification.type
-      when :mention then [
-        {
-          title: translate('push_notifications.mention.action_favourite'),
-          icon: full_asset_url('web-push-icon_favourite.png', skip_pipeline: true),
-          todo: 'request',
-          method: 'POST',
-          action: "/api/v1/statuses/#{notification.target_status.id}/favourite",
-        },
-      ]
-      else []
-      end
-
-    should_hide = notification.type.equal?(:mention) && !notification.target_status.nil? && (notification.target_status.sensitive || !notification.target_status.spoiler_text.empty?)
-    can_boost = notification.type.equal?(:mention) && !notification.target_status.nil? && !notification.target_status.hidden?
-
-    if should_hide
-      actions.insert(0, title: translate('push_notifications.mention.action_expand'), icon: full_asset_url('web-push-icon_expand.png', skip_pipeline: true), todo: 'expand', action: 'expand')
-    end
-
-    if can_boost
-      actions << { title: translate('push_notifications.mention.action_boost'), icon: full_asset_url('web-push-icon_reblog.png', skip_pipeline: true), todo: 'request', method: 'POST', action: "/api/v1/statuses/#{notification.target_status.id}/reblog" }
-    end
-
-    actions
-  end
-
-  def image_str(notification)
-    return nil if notification.target_status.nil? || notification.target_status.media_attachments.empty?
-
-    full_asset_url(notification.target_status.media_attachments.first.file.url(:small))
-  end
+  private
 
-  def dir_str(body)
-    rtl?(body) ? 'rtl' : 'ltr'
-  end
+  def push_payload(message, ttl = 5.minutes.seconds)
+    # TODO: Make sure that the payload does not
+    # exceed 4KB - Webpush::PayloadTooLarge
 
-  def send_welcome_notification
     Webpush.payload_send(
-      message: JSON.generate(
-        title: translate('push_notifications.subscribed.title'),
-        icon: full_asset_url('android-chrome-192x192.png', skip_pipeline: true),
-        badge: full_asset_url('badge.png', skip_pipeline: true),
-        data: {
-          content: translate('push_notifications.subscribed.body'),
-          actions: [],
-          url: web_url('notifications'),
-          message: translate('push_notifications.group.title'), # Do not pass count, will be formatted in the ServiceWorker
-        }
-      ),
+      message: Oj.dump(message),
       endpoint: endpoint,
       p256dh: key_p256dh,
       auth: key_auth,
+      ttl: ttl,
       vapid: {
-        subject: "mailto:#{Setting.site_contact_email}",
+        subject: "mailto:#{::Setting.site_contact_email}",
         private_key: Rails.configuration.x.vapid_private_key,
         public_key: Rails.configuration.x.vapid_public_key,
-      },
-      ttl: 5 * 60 # 5 minutes
+      }
     )
   end
 
-  def find_or_create_access_token(notification)
+  def message_from(notification)
+    serializable_resource = ActiveModelSerializers::SerializableResource.new(notification, serializer: Web::NotificationSerializer, scope: self, scope_name: :current_push_subscription)
+    serializable_resource.as_json
+  end
+
+  def find_or_create_access_token
     Doorkeeper::AccessToken.find_or_create_for(
       Doorkeeper::Application.find_by(superapp: true),
-      notification.account.user.id,
+      session_activation.user_id,
       Doorkeeper::OAuth::Scopes.from_string('read write follow'),
       Doorkeeper.configuration.access_token_expires_in,
       Doorkeeper.configuration.refresh_token_enabled?
     )
   end
-
-  def decoder
-    @decoder ||= HTMLEntities.new
-  end
 end
diff --git a/app/presenters/initial_state_presenter.rb b/app/presenters/initial_state_presenter.rb
index 9507aad4a..70c496be8 100644
--- a/app/presenters/initial_state_presenter.rb
+++ b/app/presenters/initial_state_presenter.rb
@@ -1,5 +1,6 @@
 # frozen_string_literal: true
 
 class InitialStatePresenter < ActiveModelSerializers::Model
-  attributes :settings, :push_subscription, :token, :current_account, :admin
+  attributes :settings, :push_subscription, :token,
+             :current_account, :admin, :text
 end
diff --git a/app/presenters/instance_presenter.rb b/app/presenters/instance_presenter.rb
index 4de6b5e0d..b1afb9e1f 100644
--- a/app/presenters/instance_presenter.rb
+++ b/app/presenters/instance_presenter.rb
@@ -40,4 +40,8 @@ class InstancePresenter
       ''
     end
   end
+
+  def source_url
+    Mastodon::Version.source_url
+  end
 end
diff --git a/app/presenters/status_relationships_presenter.rb b/app/presenters/status_relationships_presenter.rb
index 03294015f..10b449504 100644
--- a/app/presenters/status_relationships_presenter.rb
+++ b/app/presenters/status_relationships_presenter.rb
@@ -1,19 +1,24 @@
 # frozen_string_literal: true
 
 class StatusRelationshipsPresenter
-  attr_reader :reblogs_map, :favourites_map, :mutes_map
+  attr_reader :reblogs_map, :favourites_map, :mutes_map, :pins_map
 
-  def initialize(statuses, current_account_id = nil, reblogs_map: {}, favourites_map: {}, mutes_map: {})
+  def initialize(statuses, current_account_id = nil, options = {})
     if current_account_id.nil?
       @reblogs_map    = {}
       @favourites_map = {}
       @mutes_map      = {}
+      @pins_map       = {}
     else
-      status_ids       = statuses.compact.flat_map { |s| [s.id, s.reblog_of_id] }.uniq
-      conversation_ids = statuses.compact.map(&:conversation_id).compact.uniq
-      @reblogs_map     = Status.reblogs_map(status_ids, current_account_id).merge(reblogs_map)
-      @favourites_map  = Status.favourites_map(status_ids, current_account_id).merge(favourites_map)
-      @mutes_map       = Status.mutes_map(conversation_ids, current_account_id).merge(mutes_map)
+      statuses            = statuses.compact
+      status_ids          = statuses.flat_map { |s| [s.id, s.reblog_of_id] }.uniq
+      conversation_ids    = statuses.map(&:conversation_id).compact.uniq
+      pinnable_status_ids = statuses.map(&:proper).select { |s| s.account_id == current_account_id && %w(public unlisted).include?(s.visibility) }.map(&:id)
+
+      @reblogs_map     = Status.reblogs_map(status_ids, current_account_id).merge(options[:reblogs_map] || {})
+      @favourites_map  = Status.favourites_map(status_ids, current_account_id).merge(options[:favourites_map] || {})
+      @mutes_map       = Status.mutes_map(conversation_ids, current_account_id).merge(options[:mutes_map] || {})
+      @pins_map        = Status.pins_map(pinnable_status_ids, current_account_id).merge(options[:pins_map] || {})
     end
   end
 end
diff --git a/app/serializers/activitypub/accept_follow_serializer.rb b/app/serializers/activitypub/accept_follow_serializer.rb
index ce900bc78..3e23591a5 100644
--- a/app/serializers/activitypub/accept_follow_serializer.rb
+++ b/app/serializers/activitypub/accept_follow_serializer.rb
@@ -1,10 +1,14 @@
 # frozen_string_literal: true
 
 class ActivityPub::AcceptFollowSerializer < ActiveModel::Serializer
-  attributes :type, :actor
+  attributes :id, :type, :actor
 
   has_one :object, serializer: ActivityPub::FollowSerializer
 
+  def id
+    [ActivityPub::TagManager.instance.uri_for(object.target_account), '#accepts/follows/', object.id].join
+  end
+
   def type
     'Accept'
   end
diff --git a/app/serializers/activitypub/activity_serializer.rb b/app/serializers/activitypub/activity_serializer.rb
index 69e2160c5..349495e84 100644
--- a/app/serializers/activitypub/activity_serializer.rb
+++ b/app/serializers/activitypub/activity_serializer.rb
@@ -6,11 +6,11 @@ class ActivityPub::ActivitySerializer < ActiveModel::Serializer
   has_one :proper, key: :object, serializer: ActivityPub::NoteSerializer
 
   def id
-    [ActivityPub::TagManager.instance.uri_for(object), '/activity'].join
+    [ActivityPub::TagManager.instance.activity_uri_for(object)].join
   end
 
   def type
-    object.reblog? ? 'Announce' : 'Create'
+    announce? ? 'Announce' : 'Create'
   end
 
   def actor
@@ -24,4 +24,8 @@ class ActivityPub::ActivitySerializer < ActiveModel::Serializer
   def cc
     ActivityPub::TagManager.instance.cc(object)
   end
+
+  def announce?
+    object.reblog?
+  end
 end
diff --git a/app/serializers/activitypub/actor_serializer.rb b/app/serializers/activitypub/actor_serializer.rb
index f5e626d73..25521eca9 100644
--- a/app/serializers/activitypub/actor_serializer.rb
+++ b/app/serializers/activitypub/actor_serializer.rb
@@ -4,11 +4,29 @@ class ActivityPub::ActorSerializer < ActiveModel::Serializer
   include RoutingHelper
 
   attributes :id, :type, :following, :followers,
-             :inbox, :outbox, :preferred_username,
-             :name, :summary, :icon, :image
+             :inbox, :outbox, :shared_inbox,
+             :preferred_username, :name, :summary,
+             :url, :manually_approves_followers
 
   has_one :public_key, serializer: ActivityPub::PublicKeySerializer
 
+  class ImageSerializer < ActiveModel::Serializer
+    include RoutingHelper
+
+    attributes :type, :url
+
+    def type
+      'Image'
+    end
+
+    def url
+      full_asset_url(object.url(:original))
+    end
+  end
+
+  has_one :icon,  serializer: ImageSerializer, if: :avatar_exists?
+  has_one :image, serializer: ImageSerializer, if: :header_exists?
+
   def id
     account_url(object)
   end
@@ -26,13 +44,17 @@ class ActivityPub::ActorSerializer < ActiveModel::Serializer
   end
 
   def inbox
-    nil
+    account_inbox_url(object)
   end
 
   def outbox
     account_outbox_url(object)
   end
 
+  def shared_inbox
+    inbox_url
+  end
+
   def preferred_username
     object.username
   end
@@ -46,14 +68,30 @@ class ActivityPub::ActorSerializer < ActiveModel::Serializer
   end
 
   def icon
-    full_asset_url(object.avatar.url(:original))
+    object.avatar
   end
 
   def image
-    full_asset_url(object.header.url(:original))
+    object.header
   end
 
   def public_key
     object
   end
+
+  def url
+    short_account_url(object)
+  end
+
+  def avatar_exists?
+    object.avatar.exists?
+  end
+
+  def header_exists?
+    object.header.exists?
+  end
+
+  def manually_approves_followers
+    object.locked
+  end
 end
diff --git a/app/serializers/activitypub/block_serializer.rb b/app/serializers/activitypub/block_serializer.rb
index a001b213b..b3bd9f868 100644
--- a/app/serializers/activitypub/block_serializer.rb
+++ b/app/serializers/activitypub/block_serializer.rb
@@ -1,9 +1,13 @@
 # frozen_string_literal: true
 
 class ActivityPub::BlockSerializer < ActiveModel::Serializer
-  attributes :type, :actor
+  attributes :id, :type, :actor
   attribute :virtual_object, key: :object
 
+  def id
+    [ActivityPub::TagManager.instance.uri_for(object.account), '#blocks/', object.id].join
+  end
+
   def type
     'Block'
   end
diff --git a/app/serializers/activitypub/delete_serializer.rb b/app/serializers/activitypub/delete_serializer.rb
index 77098b1b0..87a43b95d 100644
--- a/app/serializers/activitypub/delete_serializer.rb
+++ b/app/serializers/activitypub/delete_serializer.rb
@@ -1,8 +1,29 @@
 # frozen_string_literal: true
 
 class ActivityPub::DeleteSerializer < ActiveModel::Serializer
-  attributes :type, :actor
-  attribute :virtual_object, key: :object
+  class TombstoneSerializer < ActiveModel::Serializer
+    attributes :id, :type, :atom_uri
+
+    def id
+      ActivityPub::TagManager.instance.uri_for(object)
+    end
+
+    def type
+      'Tombstone'
+    end
+
+    def atom_uri
+      ::TagManager.instance.uri_for(object)
+    end
+  end
+
+  attributes :id, :type, :actor
+
+  has_one :object, serializer: TombstoneSerializer
+
+  def id
+    [ActivityPub::TagManager.instance.uri_for(object), '#delete'].join
+  end
 
   def type
     'Delete'
@@ -11,8 +32,4 @@ class ActivityPub::DeleteSerializer < ActiveModel::Serializer
   def actor
     ActivityPub::TagManager.instance.uri_for(object.account)
   end
-
-  def virtual_object
-    ActivityPub::TagManager.instance.uri_for(object)
-  end
 end
diff --git a/app/serializers/activitypub/follow_serializer.rb b/app/serializers/activitypub/follow_serializer.rb
index 1953a2d7b..86c9992fe 100644
--- a/app/serializers/activitypub/follow_serializer.rb
+++ b/app/serializers/activitypub/follow_serializer.rb
@@ -1,9 +1,13 @@
 # frozen_string_literal: true
 
 class ActivityPub::FollowSerializer < ActiveModel::Serializer
-  attributes :type, :actor
+  attributes :id, :type, :actor
   attribute :virtual_object, key: :object
 
+  def id
+    [ActivityPub::TagManager.instance.uri_for(object.account), '#follows/', object.id].join
+  end
+
   def type
     'Follow'
   end
diff --git a/app/serializers/activitypub/like_serializer.rb b/app/serializers/activitypub/like_serializer.rb
index 4226913f5..c1a7ff6f6 100644
--- a/app/serializers/activitypub/like_serializer.rb
+++ b/app/serializers/activitypub/like_serializer.rb
@@ -1,9 +1,13 @@
 # frozen_string_literal: true
 
 class ActivityPub::LikeSerializer < ActiveModel::Serializer
-  attributes :type, :actor
+  attributes :id, :type, :actor
   attribute :virtual_object, key: :object
 
+  def id
+    [ActivityPub::TagManager.instance.uri_for(object.account), '#likes/', object.id].join
+  end
+
   def type
     'Like'
   end
diff --git a/app/serializers/activitypub/note_serializer.rb b/app/serializers/activitypub/note_serializer.rb
index 4c13f8e59..d42f54263 100644
--- a/app/serializers/activitypub/note_serializer.rb
+++ b/app/serializers/activitypub/note_serializer.rb
@@ -3,7 +3,9 @@
 class ActivityPub::NoteSerializer < ActiveModel::Serializer
   attributes :id, :type, :summary, :content,
              :in_reply_to, :published, :url,
-             :attributed_to, :to, :cc, :sensitive
+             :attributed_to, :to, :cc, :sensitive,
+             :atom_uri, :in_reply_to_atom_uri,
+             :conversation
 
   has_many :media_attachments, key: :attachment
   has_many :virtual_tags, key: :tag
@@ -25,7 +27,13 @@ class ActivityPub::NoteSerializer < ActiveModel::Serializer
   end
 
   def in_reply_to
-    ActivityPub::TagManager.instance.uri_for(object.thread) if object.reply?
+    return unless object.reply?
+
+    if object.thread.uri.nil? || object.thread.uri.start_with?('http')
+      ActivityPub::TagManager.instance.uri_for(object.thread)
+    else
+      object.thread.url
+    end
   end
 
   def published
@@ -52,6 +60,30 @@ class ActivityPub::NoteSerializer < ActiveModel::Serializer
     object.mentions + object.tags
   end
 
+  def atom_uri
+    return unless object.local?
+
+    ::TagManager.instance.uri_for(object)
+  end
+
+  def in_reply_to_atom_uri
+    return unless object.reply?
+
+    ::TagManager.instance.uri_for(object.thread)
+  end
+
+  def conversation
+    if object.conversation.uri?
+      object.conversation.uri
+    else
+      TagManager.instance.unique_tag(object.conversation.created_at, object.conversation.id, 'Conversation')
+    end
+  end
+
+  def local?
+    object.account.local?
+  end
+
   class MediaAttachmentSerializer < ActiveModel::Serializer
     include RoutingHelper
 
diff --git a/app/serializers/activitypub/reject_follow_serializer.rb b/app/serializers/activitypub/reject_follow_serializer.rb
index 28584d627..7814f4f57 100644
--- a/app/serializers/activitypub/reject_follow_serializer.rb
+++ b/app/serializers/activitypub/reject_follow_serializer.rb
@@ -1,10 +1,14 @@
 # frozen_string_literal: true
 
 class ActivityPub::RejectFollowSerializer < ActiveModel::Serializer
-  attributes :type, :actor
+  attributes :id, :type, :actor
 
   has_one :object, serializer: ActivityPub::FollowSerializer
 
+  def id
+    [ActivityPub::TagManager.instance.uri_for(object.target_account), '#rejects/follows/', object.id].join
+  end
+
   def type
     'Reject'
   end
diff --git a/app/serializers/activitypub/undo_announce_serializer.rb b/app/serializers/activitypub/undo_announce_serializer.rb
new file mode 100644
index 000000000..839847e22
--- /dev/null
+++ b/app/serializers/activitypub/undo_announce_serializer.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+class ActivityPub::UndoAnnounceSerializer < ActiveModel::Serializer
+  attributes :id, :type, :actor
+
+  has_one :object, serializer: ActivityPub::ActivitySerializer
+
+  def id
+    [ActivityPub::TagManager.instance.uri_for(object.account), '#announces/', object.id, '/undo'].join
+  end
+
+  def type
+    'Undo'
+  end
+
+  def actor
+    ActivityPub::TagManager.instance.uri_for(object.account)
+  end
+end
diff --git a/app/serializers/activitypub/undo_block_serializer.rb b/app/serializers/activitypub/undo_block_serializer.rb
index f71faa729..2f43d8402 100644
--- a/app/serializers/activitypub/undo_block_serializer.rb
+++ b/app/serializers/activitypub/undo_block_serializer.rb
@@ -1,10 +1,14 @@
 # frozen_string_literal: true
 
 class ActivityPub::UndoBlockSerializer < ActiveModel::Serializer
-  attributes :type, :actor
+  attributes :id, :type, :actor
 
   has_one :object, serializer: ActivityPub::BlockSerializer
 
+  def id
+    [ActivityPub::TagManager.instance.uri_for(object.account), '#blocks/', object.id, '/undo'].join
+  end
+
   def type
     'Undo'
   end
diff --git a/app/serializers/activitypub/undo_follow_serializer.rb b/app/serializers/activitypub/undo_follow_serializer.rb
index fe91f5f1c..e5b7f143d 100644
--- a/app/serializers/activitypub/undo_follow_serializer.rb
+++ b/app/serializers/activitypub/undo_follow_serializer.rb
@@ -1,10 +1,14 @@
 # frozen_string_literal: true
 
 class ActivityPub::UndoFollowSerializer < ActiveModel::Serializer
-  attributes :type, :actor
+  attributes :id, :type, :actor
 
   has_one :object, serializer: ActivityPub::FollowSerializer
 
+  def id
+    [ActivityPub::TagManager.instance.uri_for(object.account), '#follows/', object.id, '/undo'].join
+  end
+
   def type
     'Undo'
   end
diff --git a/app/serializers/activitypub/undo_like_serializer.rb b/app/serializers/activitypub/undo_like_serializer.rb
index db9cd1d0d..25f4ccaae 100644
--- a/app/serializers/activitypub/undo_like_serializer.rb
+++ b/app/serializers/activitypub/undo_like_serializer.rb
@@ -1,10 +1,14 @@
 # frozen_string_literal: true
 
 class ActivityPub::UndoLikeSerializer < ActiveModel::Serializer
-  attributes :type, :actor
+  attributes :id, :type, :actor
 
   has_one :object, serializer: ActivityPub::LikeSerializer
 
+  def id
+    [ActivityPub::TagManager.instance.uri_for(object.account), '#likes/', object.id, '/undo'].join
+  end
+
   def type
     'Undo'
   end
diff --git a/app/serializers/activitypub/update_serializer.rb b/app/serializers/activitypub/update_serializer.rb
index 322305da8..ebc667d96 100644
--- a/app/serializers/activitypub/update_serializer.rb
+++ b/app/serializers/activitypub/update_serializer.rb
@@ -1,10 +1,14 @@
 # frozen_string_literal: true
 
 class ActivityPub::UpdateSerializer < ActiveModel::Serializer
-  attributes :type, :actor
+  attributes :id, :type, :actor
 
   has_one :object, serializer: ActivityPub::ActorSerializer
 
+  def id
+    [ActivityPub::TagManager.instance.uri_for(object), '#updates/', object.updated_at.to_i].join
+  end
+
   def type
     'Update'
   end
diff --git a/app/serializers/initial_state_serializer.rb b/app/serializers/initial_state_serializer.rb
index 0191948b1..32ffcc688 100644
--- a/app/serializers/initial_state_serializer.rb
+++ b/app/serializers/initial_state_serializer.rb
@@ -19,7 +19,6 @@ class InitialStateSerializer < ActiveModel::Serializer
       store[:boost_modal]    = object.current_account.user.setting_boost_modal
       store[:delete_modal]   = object.current_account.user.setting_delete_modal
       store[:auto_play_gif]  = object.current_account.user.setting_auto_play_gif
-      store[:system_font_ui] = object.current_account.user.setting_system_font_ui
     end
 
     store
@@ -34,6 +33,8 @@ class InitialStateSerializer < ActiveModel::Serializer
       store[:default_sensitive] = object.current_account.user.setting_default_sensitive
     end
 
+    store[:text] = object.text if object.text
+
     store
   end
 
diff --git a/app/serializers/oembed_serializer.rb b/app/serializers/oembed_serializer.rb
index 78376d253..4f9293043 100644
--- a/app/serializers/oembed_serializer.rb
+++ b/app/serializers/oembed_serializer.rb
@@ -21,7 +21,7 @@ class OEmbedSerializer < ActiveModel::Serializer
   end
 
   def author_url
-    account_url(object.account)
+    short_account_url(object.account)
   end
 
   def provider_name
@@ -37,13 +37,16 @@ class OEmbedSerializer < ActiveModel::Serializer
   end
 
   def html
-    tag :iframe,
-        src: embed_account_stream_entry_url(object.account, object),
-        style: 'width: 100%; overflow: hidden',
-        frameborder: '0',
-        scrolling: 'no',
-        width: width,
-        height: height
+    attributes = {
+      src: embed_short_account_status_url(object.account, object),
+      class: 'mastodon-embed',
+      frameborder: '0',
+      scrolling: 'no',
+      width: width,
+      height: height,
+    }
+
+    content_tag :iframe, nil, attributes
   end
 
   def width
diff --git a/app/serializers/rest/instance_serializer.rb b/app/serializers/rest/instance_serializer.rb
index 8e32f9cb3..a97137909 100644
--- a/app/serializers/rest/instance_serializer.rb
+++ b/app/serializers/rest/instance_serializer.rb
@@ -2,7 +2,7 @@
 
 class REST::InstanceSerializer < ActiveModel::Serializer
   attributes :uri, :title, :description, :email,
-             :version, :urls
+             :version, :urls, :stats
 
   def uri
     Rails.configuration.x.local_domain
@@ -24,7 +24,21 @@ class REST::InstanceSerializer < ActiveModel::Serializer
     Mastodon::Version.to_s
   end
 
+  def stats
+    {
+      user_count: instance_presenter.user_count,
+      status_count: instance_presenter.status_count,
+      domain_count: instance_presenter.domain_count,
+    }
+  end
+
   def urls
     { streaming_api: Rails.configuration.x.streaming_api_base_url }
   end
+
+  private
+
+  def instance_presenter
+    @instance_presenter ||= InstancePresenter.new
+  end
 end
diff --git a/app/serializers/rest/status_serializer.rb b/app/serializers/rest/status_serializer.rb
index 246b12a90..298a3bb40 100644
--- a/app/serializers/rest/status_serializer.rb
+++ b/app/serializers/rest/status_serializer.rb
@@ -8,6 +8,7 @@ class REST::StatusSerializer < ActiveModel::Serializer
   attribute :favourited, if: :current_user?
   attribute :reblogged, if: :current_user?
   attribute :muted, if: :current_user?
+  attribute :pinned, if: :pinnable?
 
   belongs_to :reblog, serializer: REST::StatusSerializer
   belongs_to :application
@@ -57,6 +58,21 @@ class REST::StatusSerializer < ActiveModel::Serializer
     end
   end
 
+  def pinned
+    if instance_options && instance_options[:relationships]
+      instance_options[:relationships].pins_map[object.id] || false
+    else
+      current_user.account.pinned?(object)
+    end
+  end
+
+  def pinnable?
+    current_user? &&
+      current_user.account_id == object.account_id &&
+      !object.reblog? &&
+      %w(public unlisted).include?(object.visibility)
+  end
+
   class ApplicationSerializer < ActiveModel::Serializer
     attributes :name, :website
   end
diff --git a/app/serializers/web/notification_serializer.rb b/app/serializers/web/notification_serializer.rb
new file mode 100644
index 000000000..e5524fe7a
--- /dev/null
+++ b/app/serializers/web/notification_serializer.rb
@@ -0,0 +1,169 @@
+# frozen_string_literal: true
+
+class Web::NotificationSerializer < ActiveModel::Serializer
+  include RoutingHelper
+  include StreamEntriesHelper
+
+  class DataSerializer < ActiveModel::Serializer
+    include RoutingHelper
+    include StreamEntriesHelper
+    include ActionView::Helpers::SanitizeHelper
+
+    attributes :content, :nsfw, :url, :actions,
+               :access_token, :message, :dir
+
+    def content
+      decoder.decode(strip_tags(body))
+    end
+
+    def dir
+      rtl?(body) ? 'rtl' : 'ltr'
+    end
+
+    def nsfw
+      return if object.target_status.nil?
+      object.target_status.spoiler_text.presence
+    end
+
+    def url
+      case object.type
+      when :mention
+        web_url("statuses/#{object.target_status.id}")
+      when :follow
+        web_url("accounts/#{object.from_account.id}")
+      when :favourite
+        web_url("statuses/#{object.target_status.id}")
+      when :reblog
+        web_url("statuses/#{object.target_status.id}")
+      end
+    end
+
+    def actions
+      return @actions if defined?(@actions)
+
+      @actions = []
+
+      if object.type == :mention
+        @actions << expand_action if collapsed?
+        @actions << favourite_action
+        @actions << reblog_action if rebloggable?
+      end
+
+      @actions
+    end
+
+    def access_token
+      return if actions.empty?
+      current_push_subscription.access_token
+    end
+
+    def message
+      I18n.t('push_notifications.group.title')
+    end
+
+    private
+
+    def body
+      case object.type
+      when :mention
+        object.target_status.text
+      when :follow
+        object.from_account.note
+      when :favourite
+        object.target_status.text
+      when :reblog
+        object.target_status.text
+      end
+    end
+
+    def decoder
+      @decoder ||= HTMLEntities.new
+    end
+
+    def expand_action
+      {
+        title: I18n.t('push_notifications.mention.action_expand'),
+        icon: full_asset_url('web-push-icon_expand.png', skip_pipeline: true),
+        todo: 'expand',
+        action: 'expand',
+      }
+    end
+
+    def favourite_action
+      {
+        title: I18n.t('push_notifications.mention.action_favourite'),
+        icon: full_asset_url('web-push-icon_favourite.png', skip_pipeline: true),
+        todo: 'request',
+        method: 'POST',
+        action: "/api/v1/statuses/#{object.target_status.id}/favourite",
+      }
+    end
+
+    def reblog_action
+      {
+        title: I18n.t('push_notifications.mention.action_boost'),
+        icon: full_asset_url('web-push-icon_reblog.png', skip_pipeline: true),
+        todo: 'request',
+        method: 'POST',
+        action: "/api/v1/statuses/#{object.target_status.id}/reblog",
+      }
+    end
+
+    def collapsed?
+      !object.target_status.nil? && (object.target_status.sensitive? || object.target_status.spoiler_text.present?)
+    end
+
+    def rebloggable?
+      !object.target_status.nil? && !object.target_status.hidden?
+    end
+  end
+
+  attributes :title, :image, :badge, :tag,
+             :timestamp, :icon
+
+  has_one :data, serializer: DataSerializer
+
+  def title
+    case object.type
+    when :mention
+      I18n.t('push_notifications.mention.title', name: name)
+    when :follow
+      I18n.t('push_notifications.follow.title', name: name)
+    when :favourite
+      I18n.t('push_notifications.favourite.title', name: name)
+    when :reblog
+      I18n.t('push_notifications.reblog.title', name: name)
+    end
+  end
+
+  def image
+    return if object.target_status.nil? || object.target_status.media_attachments.empty?
+    full_asset_url(object.target_status.media_attachments.first.file.url(:small))
+  end
+
+  def badge
+    full_asset_url('badge.png', skip_pipeline: true)
+  end
+
+  def tag
+    object.id
+  end
+
+  def timestamp
+    object.created_at
+  end
+
+  def icon
+    object.from_account.avatar_static_url
+  end
+
+  def data
+    object
+  end
+
+  private
+
+  def name
+    display_name(object.from_account)
+  end
+end
diff --git a/app/services/activitypub/fetch_remote_account_service.rb b/app/services/activitypub/fetch_remote_account_service.rb
new file mode 100644
index 000000000..3eeca585e
--- /dev/null
+++ b/app/services/activitypub/fetch_remote_account_service.rb
@@ -0,0 +1,57 @@
+# frozen_string_literal: true
+
+class ActivityPub::FetchRemoteAccountService < BaseService
+  include JsonLdHelper
+
+  # Should be called when uri has already been checked for locality
+  # Does a WebFinger roundtrip on each call
+  def call(uri, prefetched_json = nil)
+    @json = body_to_json(prefetched_json) || fetch_resource(uri)
+
+    return unless supported_context? && expected_type?
+
+    @uri      = @json['id']
+    @username = @json['preferredUsername']
+    @domain   = Addressable::URI.parse(uri).normalized_host
+
+    return unless verified_webfinger?
+
+    ActivityPub::ProcessAccountService.new.call(@username, @domain, @json)
+  rescue Oj::ParseError
+    nil
+  end
+
+  private
+
+  def verified_webfinger?
+    webfinger                            = Goldfinger.finger("acct:#{@username}@#{@domain}")
+    confirmed_username, confirmed_domain = split_acct(webfinger.subject)
+
+    return true if @username.casecmp(confirmed_username).zero? && @domain.casecmp(confirmed_domain).zero?
+
+    webfinger                            = Goldfinger.finger("acct:#{confirmed_username}@#{confirmed_domain}")
+    confirmed_username, confirmed_domain = split_acct(webfinger.subject)
+    self_reference                       = webfinger.link('self')
+
+    return false if self_reference&.href != @uri
+
+    @username = confirmed_username
+    @domain   = confirmed_domain
+
+    true
+  rescue Goldfinger::Error
+    false
+  end
+
+  def split_acct(acct)
+    acct.gsub(/\Aacct:/, '').split('@')
+  end
+
+  def supported_context?
+    super(@json)
+  end
+
+  def expected_type?
+    @json['type'] == 'Person'
+  end
+end
diff --git a/app/services/activitypub/fetch_remote_key_service.rb b/app/services/activitypub/fetch_remote_key_service.rb
new file mode 100644
index 000000000..ebd64071e
--- /dev/null
+++ b/app/services/activitypub/fetch_remote_key_service.rb
@@ -0,0 +1,47 @@
+# frozen_string_literal: true
+
+class ActivityPub::FetchRemoteKeyService < BaseService
+  include JsonLdHelper
+
+  # Returns account that owns the key
+  def call(uri, prefetched_json = nil)
+    @json = body_to_json(prefetched_json) || fetch_resource(uri)
+
+    return unless supported_context?(@json) && expected_type?
+    return find_account(uri, @json) if person?
+
+    @owner = fetch_resource(owner_uri)
+
+    return unless supported_context?(@owner) && confirmed_owner?
+
+    find_account(owner_uri, @owner)
+  end
+
+  private
+
+  def find_account(uri, prefetched_json)
+    account   = ActivityPub::TagManager.instance.uri_to_resource(uri, Account)
+    account ||= ActivityPub::FetchRemoteAccountService.new.call(uri, prefetched_json)
+    account
+  end
+
+  def expected_type?
+    person? || public_key?
+  end
+
+  def person?
+    @json['type'] == 'Person'
+  end
+
+  def public_key?
+    @json['publicKeyPem'].present? && @json['owner'].present?
+  end
+
+  def owner_uri
+    @owner_uri ||= value_or_id(@json['owner'])
+  end
+
+  def confirmed_owner?
+    @owner['type'] == 'Person' && value_or_id(@owner['publicKey']) == @json['id']
+  end
+end
diff --git a/app/services/activitypub/fetch_remote_status_service.rb b/app/services/activitypub/fetch_remote_status_service.rb
new file mode 100644
index 000000000..68ca58d62
--- /dev/null
+++ b/app/services/activitypub/fetch_remote_status_service.rb
@@ -0,0 +1,48 @@
+# frozen_string_literal: true
+
+class ActivityPub::FetchRemoteStatusService < BaseService
+  include JsonLdHelper
+
+  # Should be called when uri has already been checked for locality
+  def call(uri, prefetched_json = nil)
+    @json = body_to_json(prefetched_json) || fetch_resource(uri)
+
+    return unless supported_context?
+
+    activity = activity_json
+    actor_id = value_or_id(activity['actor'])
+
+    return unless expected_type?(activity) && trustworthy_attribution?(uri, actor_id)
+
+    actor = ActivityPub::TagManager.instance.uri_to_resource(actor_id, Account)
+    actor = ActivityPub::FetchRemoteAccountService.new.call(actor_id) if actor.nil?
+
+    ActivityPub::Activity.factory(activity, actor).perform
+  end
+
+  private
+
+  def activity_json
+    if %w(Note Article).include? @json['type']
+      {
+        'type'   => 'Create',
+        'actor'  => first_of_value(@json['attributedTo']),
+        'object' => @json,
+      }
+    else
+      @json
+    end
+  end
+
+  def trustworthy_attribution?(uri, attributed_to)
+    Addressable::URI.parse(uri).normalized_host.casecmp(Addressable::URI.parse(attributed_to).normalized_host).zero?
+  end
+
+  def supported_context?
+    super(@json)
+  end
+
+  def expected_type?(json)
+    %w(Create Announce).include? json['type']
+  end
+end
diff --git a/app/services/activitypub/process_account_service.rb b/app/services/activitypub/process_account_service.rb
new file mode 100644
index 000000000..a26b39cb5
--- /dev/null
+++ b/app/services/activitypub/process_account_service.rb
@@ -0,0 +1,93 @@
+# frozen_string_literal: true
+
+class ActivityPub::ProcessAccountService < BaseService
+  include JsonLdHelper
+
+  # Should be called with confirmed valid JSON
+  # and WebFinger-resolved username and domain
+  def call(username, domain, json)
+    return unless json['inbox'].present?
+
+    @json     = json
+    @uri      = @json['id']
+    @username = username
+    @domain   = domain
+    @account  = Account.find_by(uri: @uri)
+
+    create_account  if @account.nil?
+    upgrade_account if @account.ostatus?
+    update_account
+
+    @account
+  rescue Oj::ParseError
+    nil
+  end
+
+  private
+
+  def create_account
+    @account = Account.new
+    @account.protocol    = :activitypub
+    @account.username    = @username
+    @account.domain      = @domain
+    @account.uri         = @uri
+    @account.suspended   = true if auto_suspend?
+    @account.silenced    = true if auto_silence?
+    @account.private_key = nil
+    @account.save!
+  end
+
+  def update_account
+    @account.last_webfingered_at = Time.now.utc
+    @account.protocol            = :activitypub
+    @account.inbox_url           = @json['inbox'] || ''
+    @account.outbox_url          = @json['outbox'] || ''
+    @account.shared_inbox_url    = @json['sharedInbox'] || ''
+    @account.followers_url       = @json['followers'] || ''
+    @account.url                 = @json['url'] || @uri
+    @account.display_name        = @json['name'] || ''
+    @account.note                = @json['summary'] || ''
+    @account.avatar_remote_url   = image_url('icon')
+    @account.header_remote_url   = image_url('image')
+    @account.public_key          = public_key || ''
+    @account.locked              = @json['manuallyApprovesFollowers'] || false
+    @account.save!
+  end
+
+  def upgrade_account
+    ActivityPub::PostUpgradeWorker.perform_async(@account.domain)
+  end
+
+  def image_url(key)
+    value = first_of_value(@json[key])
+
+    return if value.nil?
+    return @json[key]['url'] if @json[key].is_a?(Hash)
+
+    image = fetch_resource(value)
+    image['url'] if image
+  end
+
+  def public_key
+    value = first_of_value(@json['publicKey'])
+
+    return if value.nil?
+    return value['publicKeyPem'] if value.is_a?(Hash)
+
+    key = fetch_resource(value)
+    key['publicKeyPem'] if key
+  end
+
+  def auto_suspend?
+    domain_block && domain_block.suspend?
+  end
+
+  def auto_silence?
+    domain_block && domain_block.silence?
+  end
+
+  def domain_block
+    return @domain_block if defined?(@domain_block)
+    @domain_block = DomainBlock.find_by(domain: @domain)
+  end
+end
diff --git a/app/services/activitypub/process_collection_service.rb b/app/services/activitypub/process_collection_service.rb
new file mode 100644
index 000000000..bc04c50ba
--- /dev/null
+++ b/app/services/activitypub/process_collection_service.rb
@@ -0,0 +1,48 @@
+# frozen_string_literal: true
+
+class ActivityPub::ProcessCollectionService < BaseService
+  include JsonLdHelper
+
+  def call(body, account)
+    @account = account
+    @json    = Oj.load(body, mode: :strict)
+
+    return if @account.suspended? || !supported_context?
+
+    return if different_actor? && verify_account!.nil?
+
+    case @json['type']
+    when 'Collection', 'CollectionPage'
+      process_items @json['items']
+    when 'OrderedCollection', 'OrderedCollectionPage'
+      process_items @json['orderedItems']
+    else
+      process_items [@json]
+    end
+  rescue Oj::ParseError
+    nil
+  end
+
+  private
+
+  def different_actor?
+    @json['actor'].present? && value_or_id(@json['actor']) != @account.uri && @json['signature'].present?
+  end
+
+  def process_items(items)
+    items.reverse_each.map { |item| process_item(item) }.compact
+  end
+
+  def supported_context?
+    super(@json)
+  end
+
+  def process_item(item)
+    activity = ActivityPub::Activity.factory(item, @account)
+    activity&.perform
+  end
+
+  def verify_account!
+    @account = ActivityPub::LinkedDataSignature.new(@json).verify_account!
+  end
+end
diff --git a/app/services/authorize_follow_service.rb b/app/services/authorize_follow_service.rb
index 41815a393..b1bff8962 100644
--- a/app/services/authorize_follow_service.rb
+++ b/app/services/authorize_follow_service.rb
@@ -1,14 +1,36 @@
 # frozen_string_literal: true
 
 class AuthorizeFollowService < BaseService
-  def call(source_account, target_account)
-    follow_request = FollowRequest.find_by!(account: source_account, target_account: target_account)
-    follow_request.authorize!
-    NotificationWorker.perform_async(build_xml(follow_request), target_account.id, source_account.id) unless source_account.local?
+  def call(source_account, target_account, options = {})
+    if options[:skip_follow_request]
+      follow_request = FollowRequest.new(account: source_account, target_account: target_account)
+    else
+      follow_request = FollowRequest.find_by!(account: source_account, target_account: target_account)
+      follow_request.authorize!
+    end
+
+    create_notification(follow_request) unless source_account.local?
+    follow_request
   end
 
   private
 
+  def create_notification(follow_request)
+    if follow_request.account.ostatus?
+      NotificationWorker.perform_async(build_xml(follow_request), follow_request.target_account_id, follow_request.account_id)
+    elsif follow_request.account.activitypub?
+      ActivityPub::DeliveryWorker.perform_async(build_json(follow_request), follow_request.target_account_id, follow_request.account.inbox_url)
+    end
+  end
+
+  def build_json(follow_request)
+    Oj.dump(ActivityPub::LinkedDataSignature.new(ActiveModelSerializers::SerializableResource.new(
+      follow_request,
+      serializer: ActivityPub::AcceptFollowSerializer,
+      adapter: ActivityPub::Adapter
+    ).as_json).sign!(follow_request.target_account))
+  end
+
   def build_xml(follow_request)
     OStatus::AtomSerializer.render(OStatus::AtomSerializer.new.authorize_follow_request_salmon(follow_request))
   end
diff --git a/app/services/batched_remove_status_service.rb b/app/services/batched_remove_status_service.rb
index ab810c628..86eaa5735 100644
--- a/app/services/batched_remove_status_service.rb
+++ b/app/services/batched_remove_status_service.rb
@@ -15,19 +15,26 @@ class BatchedRemoveStatusService < BaseService
     @mentions = statuses.map { |s| [s.id, s.mentions.includes(:account).to_a] }.to_h
     @tags     = statuses.map { |s| [s.id, s.tags.pluck(:name)] }.to_h
 
-    @stream_entry_batches = []
-    @salmon_batches       = []
-    @json_payloads        = statuses.map { |s| [s.id, Oj.dump(event: :delete, payload: s.id)] }.to_h
+    @stream_entry_batches  = []
+    @salmon_batches        = []
+    @activity_json_batches = []
+    @json_payloads         = statuses.map { |s| [s.id, Oj.dump(event: :delete, payload: s.id)] }.to_h
+    @activity_json         = {}
+    @activity_xml          = {}
 
     # Ensure that rendered XML reflects destroyed state
-    Status.where(id: statuses.map(&:id)).in_batches.destroy_all
+    statuses.each(&:destroy)
 
     # Batch by source account
     statuses.group_by(&:account_id).each do |_, account_statuses|
       account = account_statuses.first.account
 
       unpush_from_home_timelines(account_statuses)
-      batch_stream_entries(account_statuses) if account.local?
+
+      if account.local?
+        batch_stream_entries(account, account_statuses)
+        batch_activity_json(account, account_statuses)
+      end
     end
 
     # Cannot be batched
@@ -36,17 +43,32 @@ class BatchedRemoveStatusService < BaseService
       batch_salmon_slaps(status) if status.local?
     end
 
-    Pubsubhubbub::DistributionWorker.push_bulk(@stream_entry_batches) { |batch| batch }
+    Pubsubhubbub::RawDistributionWorker.push_bulk(@stream_entry_batches) { |batch| batch }
     NotificationWorker.push_bulk(@salmon_batches) { |batch| batch }
+    ActivityPub::DeliveryWorker.push_bulk(@activity_json_batches) { |batch| batch }
   end
 
   private
 
-  def batch_stream_entries(statuses)
-    stream_entry_ids = statuses.map { |s| s.stream_entry.id }
+  def batch_stream_entries(account, statuses)
+    statuses.each do |status|
+      @stream_entry_batches << [build_xml(status.stream_entry), account.id]
+    end
+  end
 
-    stream_entry_ids.each_slice(100) do |batch_of_stream_entry_ids|
-      @stream_entry_batches << [batch_of_stream_entry_ids]
+  def batch_activity_json(account, statuses)
+    account.followers.inboxes.each do |inbox_url|
+      statuses.each do |status|
+        @activity_json_batches << [build_json(status), account.id, inbox_url]
+      end
+    end
+
+    statuses.each do |status|
+      other_recipients = (status.mentions + status.reblogs).map(&:account).reject(&:local?).select(&:activitypub?).uniq(&:id)
+
+      other_recipients.each do |target_account|
+        @activity_json_batches << [build_json(status), account.id, target_account.inbox_url]
+      end
     end
   end
 
@@ -78,11 +100,10 @@ class BatchedRemoveStatusService < BaseService
   def batch_salmon_slaps(status)
     return if @mentions[status.id].empty?
 
-    payload    = stream_entry_to_xml(status.stream_entry.reload)
-    recipients = @mentions[status.id].map(&:account).reject(&:local?).uniq(&:domain).map(&:id)
+    recipients = @mentions[status.id].map(&:account).reject(&:local?).select(&:ostatus?).uniq(&:domain).map(&:id)
 
     recipients.each do |recipient_id|
-      @salmon_batches << [payload, status.account_id, recipient_id]
+      @salmon_batches << [build_xml(status.stream_entry), status.account_id, recipient_id]
     end
   end
 
@@ -111,4 +132,24 @@ class BatchedRemoveStatusService < BaseService
   def redis
     Redis.current
   end
+
+  def build_json(status)
+    return @activity_json[status.id] if @activity_json.key?(status.id)
+
+    @activity_json[status.id] = sign_json(status, ActiveModelSerializers::SerializableResource.new(
+      status,
+      serializer: status.reblog? ? ActivityPub::UndoAnnounceSerializer : ActivityPub::DeleteSerializer,
+      adapter: ActivityPub::Adapter
+    ).as_json)
+  end
+
+  def build_xml(stream_entry)
+    return @activity_xml[stream_entry.id] if @activity_xml.key?(stream_entry.id)
+
+    @activity_xml[stream_entry.id] = stream_entry_to_xml(stream_entry)
+  end
+
+  def sign_json(status, json)
+    Oj.dump(ActivityPub::LinkedDataSignature.new(json).sign!(status.account))
+  end
 end
diff --git a/app/services/block_domain_service.rb b/app/services/block_domain_service.rb
index a6b3c4cdb..1473bc841 100644
--- a/app/services/block_domain_service.rb
+++ b/app/services/block_domain_service.rb
@@ -30,7 +30,7 @@ class BlockDomainService < BaseService
 
   def suspend_accounts!
     blocked_domain_accounts.where(suspended: false).find_each do |account|
-      account.subscription(api_subscription_url(account.id)).unsubscribe if account.subscribed?
+      UnsubscribeService.new.call(account) if account.subscribed?
       SuspendAccountService.new.call(account)
     end
   end
diff --git a/app/services/block_service.rb b/app/services/block_service.rb
index 5d7bf6a3b..b39c3eef2 100644
--- a/app/services/block_service.rb
+++ b/app/services/block_service.rb
@@ -12,11 +12,28 @@ class BlockService < BaseService
     block = account.block!(target_account)
 
     BlockWorker.perform_async(account.id, target_account.id)
-    NotificationWorker.perform_async(build_xml(block), account.id, target_account.id) unless target_account.local?
+    create_notification(block) unless target_account.local?
+    block
   end
 
   private
 
+  def create_notification(block)
+    if block.target_account.ostatus?
+      NotificationWorker.perform_async(build_xml(block), block.account_id, block.target_account_id)
+    elsif block.target_account.activitypub?
+      ActivityPub::DeliveryWorker.perform_async(build_json(block), block.account_id, block.target_account.inbox_url)
+    end
+  end
+
+  def build_json(block)
+    Oj.dump(ActivityPub::LinkedDataSignature.new(ActiveModelSerializers::SerializableResource.new(
+      block,
+      serializer: ActivityPub::BlockSerializer,
+      adapter: ActivityPub::Adapter
+    ).as_json).sign!(block.account))
+  end
+
   def build_xml(block)
     OStatus::AtomSerializer.render(OStatus::AtomSerializer.new.block_salmon(block))
   end
diff --git a/app/services/favourite_service.rb b/app/services/favourite_service.rb
index 291f9e56e..44df3ed13 100644
--- a/app/services/favourite_service.rb
+++ b/app/services/favourite_service.rb
@@ -15,18 +15,32 @@ class FavouriteService < BaseService
     return favourite unless favourite.nil?
 
     favourite = Favourite.create!(account: account, status: status)
-
-    if status.local?
-      NotifyService.new.call(favourite.status.account, favourite)
-    else
-      NotificationWorker.perform_async(build_xml(favourite), account.id, status.account_id)
-    end
-
+    create_notification(favourite)
     favourite
   end
 
   private
 
+  def create_notification(favourite)
+    status = favourite.status
+
+    if status.account.local?
+      NotifyService.new.call(status.account, favourite)
+    elsif status.account.ostatus?
+      NotificationWorker.perform_async(build_xml(favourite), favourite.account_id, status.account_id)
+    elsif status.account.activitypub?
+      ActivityPub::DeliveryWorker.perform_async(build_json(favourite), favourite.account_id, status.account.inbox_url)
+    end
+  end
+
+  def build_json(favourite)
+    Oj.dump(ActivityPub::LinkedDataSignature.new(ActiveModelSerializers::SerializableResource.new(
+      favourite,
+      serializer: ActivityPub::LikeSerializer,
+      adapter: ActivityPub::Adapter
+    ).as_json).sign!(favourite.account))
+  end
+
   def build_xml(favourite)
     OStatus::AtomSerializer.render(OStatus::AtomSerializer.new.favourite_salmon(favourite))
   end
diff --git a/app/services/fetch_atom_service.rb b/app/services/fetch_atom_service.rb
index 3ac441e3e..9c5777b5d 100644
--- a/app/services/fetch_atom_service.rb
+++ b/app/services/fetch_atom_service.rb
@@ -1,21 +1,17 @@
 # frozen_string_literal: true
 
 class FetchAtomService < BaseService
+  include JsonLdHelper
+
   def call(url)
     return if url.blank?
 
-    response = Request.new(:head, url).perform
-
-    Rails.logger.debug "Remote status HEAD request returned code #{response.code}"
+    result = process(url)
 
-    response = Request.new(:get, url).perform if response.code == 405
+    # retry without ActivityPub
+    result ||= process(url) if @unsupported_activity
 
-    Rails.logger.debug "Remote status GET request returned code #{response.code}"
-
-    return nil if response.code != 200
-    return [url, fetch(url)] if response.mime_type == 'application/atom+xml'
-    return process_headers(url, response) if response['Link'].present?
-    process_html(fetch(url))
+    result
   rescue OpenSSL::SSL::SSLError => e
     Rails.logger.debug "SSL error: #{e}"
     nil
@@ -26,27 +22,67 @@ class FetchAtomService < BaseService
 
   private
 
-  def process_html(body)
-    Rails.logger.debug 'Processing HTML'
+  def process(url, terminal = false)
+    @url = url
+    perform_request
+    process_response(terminal)
+  end
+
+  def perform_request
+    accept = 'text/html'
+    accept = 'application/activity+json, application/ld+json, application/atom+xml, ' + accept unless @unsupported_activity
+
+    @response = Request.new(:get, @url)
+                       .add_headers('Accept' => accept)
+                       .perform
+  end
 
-    page = Nokogiri::HTML(body)
-    alternate_link = page.xpath('//link[@rel="alternate"]').find { |link| link['type'] == 'application/atom+xml' }
+  def process_response(terminal = false)
+    return nil if @response.code != 200
 
-    return nil if alternate_link.nil?
-    [alternate_link['href'], fetch(alternate_link['href'])]
+    if @response.mime_type == 'application/atom+xml'
+      [@url, @response.to_s, :ostatus]
+    elsif ['application/activity+json', 'application/ld+json; profile="https://www.w3.org/ns/activitystreams"'].include?(@response.mime_type)
+      if supported_activity?(@response.to_s)
+        [@url, @response.to_s, :activitypub]
+      else
+        @unsupported_activity = true
+        nil
+      end
+    elsif @response['Link'] && !terminal
+      process_headers
+    elsif @response.mime_type == 'text/html' && !terminal
+      process_html
+    end
   end
 
-  def process_headers(url, response)
-    Rails.logger.debug 'Processing link header'
+  def process_html
+    page = Nokogiri::HTML(@response.to_s)
+
+    json_link = page.xpath('//link[@rel="alternate"]').find { |link| ['application/activity+json', 'application/ld+json; profile="https://www.w3.org/ns/activitystreams"'].include?(link['type']) }
+    atom_link = page.xpath('//link[@rel="alternate"]').find { |link| link['type'] == 'application/atom+xml' }
+
+    result ||= process(json_link['href'], terminal: true) unless json_link.nil? || @unsupported_activity
+    result ||= process(atom_link['href'], terminal: true) unless atom_link.nil?
+
+    result
+  end
+
+  def process_headers
+    link_header = LinkHeader.parse(@response['Link'].is_a?(Array) ? @response['Link'].first : @response['Link'])
+
+    json_link = link_header.find_link(%w(rel alternate), %w(type application/activity+json)) || link_header.find_link(%w(rel alternate), ['type', 'application/ld+json; profile="https://www.w3.org/ns/activitystreams"'])
+    atom_link = link_header.find_link(%w(rel alternate), %w(type application/atom+xml))
 
-    link_header    = LinkHeader.parse(response['Link'].is_a?(Array) ? response['Link'].first : response['Link'])
-    alternate_link = link_header.find_link(%w(rel alternate), %w(type application/atom+xml))
+    result ||= process(json_link.href, terminal: true) unless json_link.nil? || @unsupported_activity
+    result ||= process(atom_link.href, terminal: true) unless atom_link.nil?
 
-    return process_html(fetch(url)) if alternate_link.nil?
-    [alternate_link.href, fetch(alternate_link.href)]
+    result
   end
 
-  def fetch(url)
-    Request.new(:get, url).perform.to_s
+  def supported_activity?(body)
+    json = body_to_json(body)
+    return false unless supported_context?(json)
+    json['type'] == 'Person' ? json['inbox'].present? : true
   end
 end
diff --git a/app/services/fetch_link_card_service.rb b/app/services/fetch_link_card_service.rb
index 20c85e0ea..c38e9e7df 100644
--- a/app/services/fetch_link_card_service.rb
+++ b/app/services/fetch_link_card_service.rb
@@ -4,29 +4,45 @@ class FetchLinkCardService < BaseService
   URL_PATTERN = %r{https?://\S+}
 
   def call(status)
-    # Get first http/https URL that isn't local
-    url = parse_urls(status)
+    @status = status
+    @url    = parse_urls
 
-    return if url.nil?
+    return if @url.nil? || @status.preview_cards.any?
 
-    url  = url.to_s
-    card = PreviewCard.where(status: status).first_or_initialize(status: status, url: url)
-    res  = Request.new(:head, url).perform
+    @url = @url.to_s
 
-    return if res.code != 200 || res.mime_type != 'text/html'
+    RedisLock.acquire(lock_options) do |lock|
+      if lock.acquired?
+        @card = PreviewCard.find_by(url: @url)
+        process_url if @card.nil?
+      end
+    end
 
-    attempt_opengraph(card, url) unless attempt_oembed(card, url)
+    attach_card unless @card.nil?
   rescue HTTP::ConnectionError, OpenSSL::SSL::SSLError
     nil
   end
 
   private
 
-  def parse_urls(status)
-    if status.local?
-      urls = status.text.match(URL_PATTERN).to_a.map { |uri| Addressable::URI.parse(uri).normalize }
+  def process_url
+    @card = PreviewCard.new(url: @url)
+    res   = Request.new(:head, @url).perform
+
+    return if res.code != 200 || res.mime_type != 'text/html'
+
+    attempt_oembed || attempt_opengraph
+  end
+
+  def attach_card
+    @status.preview_cards << @card
+  end
+
+  def parse_urls
+    if @status.local?
+      urls = @status.text.match(URL_PATTERN).to_a.map { |uri| Addressable::URI.parse(uri).normalize }
     else
-      html  = Nokogiri::HTML(status.text)
+      html  = Nokogiri::HTML(@status.text)
       links = html.css('a')
       urls  = links.map { |a| Addressable::URI.parse(a['href']).normalize unless skip_link?(a) }.compact
     end
@@ -44,41 +60,41 @@ class FetchLinkCardService < BaseService
     a['rel']&.include?('tag') || a['class']&.include?('u-url')
   end
 
-  def attempt_oembed(card, url)
-    response = OEmbed::Providers.get(url)
+  def attempt_oembed
+    response = OEmbed::Providers.get(@url)
 
-    card.type          = response.type
-    card.title         = response.respond_to?(:title)         ? response.title         : ''
-    card.author_name   = response.respond_to?(:author_name)   ? response.author_name   : ''
-    card.author_url    = response.respond_to?(:author_url)    ? response.author_url    : ''
-    card.provider_name = response.respond_to?(:provider_name) ? response.provider_name : ''
-    card.provider_url  = response.respond_to?(:provider_url)  ? response.provider_url  : ''
-    card.width         = 0
-    card.height        = 0
+    @card.type          = response.type
+    @card.title         = response.respond_to?(:title)         ? response.title         : ''
+    @card.author_name   = response.respond_to?(:author_name)   ? response.author_name   : ''
+    @card.author_url    = response.respond_to?(:author_url)    ? response.author_url    : ''
+    @card.provider_name = response.respond_to?(:provider_name) ? response.provider_name : ''
+    @card.provider_url  = response.respond_to?(:provider_url)  ? response.provider_url  : ''
+    @card.width         = 0
+    @card.height        = 0
 
-    case card.type
+    case @card.type
     when 'link'
-      card.image = URI.parse(response.thumbnail_url) if response.respond_to?(:thumbnail_url)
+      @card.image = URI.parse(response.thumbnail_url) if response.respond_to?(:thumbnail_url)
     when 'photo'
-      card.url    = response.url
-      card.width  = response.width.presence  || 0
-      card.height = response.height.presence || 0
+      @card.url    = response.url
+      @card.width  = response.width.presence  || 0
+      @card.height = response.height.presence || 0
     when 'video'
-      card.width  = response.width.presence  || 0
-      card.height = response.height.presence || 0
-      card.html   = Formatter.instance.sanitize(response.html, Sanitize::Config::MASTODON_OEMBED)
+      @card.width  = response.width.presence  || 0
+      @card.height = response.height.presence || 0
+      @card.html   = Formatter.instance.sanitize(response.html, Sanitize::Config::MASTODON_OEMBED)
     when 'rich'
       # Most providers rely on <script> tags, which is a no-no
       return false
     end
 
-    card.save_with_optional_image!
+    @card.save_with_optional_image!
   rescue OEmbed::NotFound
     false
   end
 
-  def attempt_opengraph(card, url)
-    response = Request.new(:get, url).perform
+  def attempt_opengraph
+    response = Request.new(:get, @url).perform
 
     return if response.code != 200 || response.mime_type != 'text/html'
 
@@ -88,19 +104,23 @@ class FetchLinkCardService < BaseService
     detector.strip_tags = true
 
     guess = detector.detect(html, response.charset)
-    page = Nokogiri::HTML(html, nil, guess&.fetch(:encoding))
+    page  = Nokogiri::HTML(html, nil, guess&.fetch(:encoding))
 
-    card.type             = :link
-    card.title            = meta_property(page, 'og:title') || page.at_xpath('//title')&.content
-    card.description      = meta_property(page, 'og:description') || meta_property(page, 'description')
-    card.image_remote_url = meta_property(page, 'og:image') if meta_property(page, 'og:image')
+    @card.type             = :link
+    @card.title            = meta_property(page, 'og:title') || page.at_xpath('//title')&.content || ''
+    @card.description      = meta_property(page, 'og:description') || meta_property(page, 'description') || ''
+    @card.image_remote_url = meta_property(page, 'og:image') if meta_property(page, 'og:image')
 
-    return if card.title.blank?
+    return if @card.title.blank?
 
-    card.save_with_optional_image!
+    @card.save_with_optional_image!
   end
 
   def meta_property(html, property)
     html.at_xpath("//meta[@property=\"#{property}\"]")&.attribute('content')&.value || html.at_xpath("//meta[@name=\"#{property}\"]")&.attribute('content')&.value
   end
+
+  def lock_options
+    { redis: Redis.current, key: "fetch:#{@url}" }
+  end
 end
diff --git a/app/services/fetch_remote_account_service.rb b/app/services/fetch_remote_account_service.rb
index 8eed0d454..7c618a0b0 100644
--- a/app/services/fetch_remote_account_service.rb
+++ b/app/services/fetch_remote_account_service.rb
@@ -3,16 +3,20 @@
 class FetchRemoteAccountService < BaseService
   include AuthorExtractor
 
-  def call(url, prefetched_body = nil)
+  def call(url, prefetched_body = nil, protocol = :ostatus)
     if prefetched_body.nil?
-      atom_url, body = FetchAtomService.new.call(url)
+      resource_url, body, protocol = FetchAtomService.new.call(url)
     else
-      atom_url = url
-      body     = prefetched_body
+      resource_url = url
+      body         = prefetched_body
     end
 
-    return nil if atom_url.nil?
-    process_atom(atom_url, body)
+    case protocol
+    when :ostatus
+      process_atom(resource_url, body)
+    when :activitypub
+      ActivityPub::FetchRemoteAccountService.new.call(resource_url, body)
+    end
   end
 
   private
diff --git a/app/services/fetch_remote_resource_service.rb b/app/services/fetch_remote_resource_service.rb
index 2c1c1f05f..341664272 100644
--- a/app/services/fetch_remote_resource_service.rb
+++ b/app/services/fetch_remote_resource_service.rb
@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 
 class FetchRemoteResourceService < BaseService
+  include JsonLdHelper
+
   attr_reader :url
 
   def call(url)
@@ -14,11 +16,11 @@ class FetchRemoteResourceService < BaseService
   private
 
   def process_url
-    case xml_root
-    when 'feed'
-      FetchRemoteAccountService.new.call(atom_url, body)
-    when 'entry'
-      FetchRemoteStatusService.new.call(atom_url, body)
+    case type
+    when 'Person'
+      FetchRemoteAccountService.new.call(atom_url, body, protocol)
+    when 'Note'
+      FetchRemoteStatusService.new.call(atom_url, body, protocol)
     end
   end
 
@@ -31,7 +33,26 @@ class FetchRemoteResourceService < BaseService
   end
 
   def body
-    fetched_atom_feed.last
+    fetched_atom_feed.second
+  end
+
+  def protocol
+    fetched_atom_feed.third
+  end
+
+  def type
+    return json_data['type'] if protocol == :activitypub
+
+    case xml_root
+    when 'feed'
+      'Person'
+    when 'entry'
+      'Note'
+    end
+  end
+
+  def json_data
+    @_json_data ||= body_to_json(body)
   end
 
   def xml_root
diff --git a/app/services/fetch_remote_status_service.rb b/app/services/fetch_remote_status_service.rb
index b9f5f97b1..18af18059 100644
--- a/app/services/fetch_remote_status_service.rb
+++ b/app/services/fetch_remote_status_service.rb
@@ -3,16 +3,20 @@
 class FetchRemoteStatusService < BaseService
   include AuthorExtractor
 
-  def call(url, prefetched_body = nil)
+  def call(url, prefetched_body = nil, protocol = :ostatus)
     if prefetched_body.nil?
-      atom_url, body = FetchAtomService.new.call(url)
+      resource_url, body, protocol = FetchAtomService.new.call(url)
     else
-      atom_url = url
-      body     = prefetched_body
+      resource_url = url
+      body         = prefetched_body
     end
 
-    return nil if atom_url.nil?
-    process_atom(atom_url, body)
+    case protocol
+    when :ostatus
+      process_atom(resource_url, body)
+    when :activitypub
+      ActivityPub::FetchRemoteStatusService.new.call(resource_url, body)
+    end
   end
 
   private
diff --git a/app/services/follow_service.rb b/app/services/follow_service.rb
index 3155feaa4..a92eb6b88 100644
--- a/app/services/follow_service.rb
+++ b/app/services/follow_service.rb
@@ -14,7 +14,7 @@ class FollowService < BaseService
 
     return if source_account.following?(target_account)
 
-    if target_account.locked?
+    if target_account.locked? || target_account.activitypub?
       request_follow(source_account, target_account)
     else
       direct_follow(source_account, target_account)
@@ -28,9 +28,11 @@ class FollowService < BaseService
 
     if target_account.local?
       NotifyService.new.call(target_account, follow_request)
-    else
+    elsif target_account.ostatus?
       NotificationWorker.perform_async(build_follow_request_xml(follow_request), source_account.id, target_account.id)
       AfterRemoteFollowRequestWorker.perform_async(follow_request.id)
+    elsif target_account.activitypub?
+      ActivityPub::DeliveryWorker.perform_async(build_json(follow_request), source_account.id, target_account.inbox_url)
     end
 
     follow_request
@@ -63,4 +65,12 @@ class FollowService < BaseService
   def build_follow_xml(follow)
     OStatus::AtomSerializer.render(OStatus::AtomSerializer.new.follow_salmon(follow))
   end
+
+  def build_json(follow_request)
+    Oj.dump(ActivityPub::LinkedDataSignature.new(ActiveModelSerializers::SerializableResource.new(
+      follow_request,
+      serializer: ActivityPub::FollowSerializer,
+      adapter: ActivityPub::Adapter
+    ).as_json).sign!(follow_request.account))
+  end
 end
diff --git a/app/services/post_status_service.rb b/app/services/post_status_service.rb
index 0ecd8a9cd..56011a005 100644
--- a/app/services/post_status_service.rb
+++ b/app/services/post_status_service.rb
@@ -42,6 +42,8 @@ class PostStatusService < BaseService
     # match both with and without U+FE0F (the emoji variation selector)
     unless /👁\ufe0f?\z/.match?(status.content)
       Pubsubhubbub::DistributionWorker.perform_async(status.stream_entry.id)
+      ActivityPub::DistributionWorker.perform_async(status.id)
+      ActivityPub::ReplyDistributionWorker.perform_async(status.id) if status.reply? && status.thread.account.local?
     end
 
     if options[:idempotency].present?
diff --git a/app/services/process_interaction_service.rb b/app/services/process_interaction_service.rb
index cc99cde03..d04e926e7 100644
--- a/app/services/process_interaction_service.rb
+++ b/app/services/process_interaction_service.rb
@@ -67,10 +67,13 @@ class ProcessInteractionService < BaseService
 
   def follow!(account, target_account)
     follow = account.follow!(target_account)
+    FollowRequest.find_by(account: account, target_account: target_account)&.destroy
     NotifyService.new.call(target_account, follow)
   end
 
   def follow_request!(account, target_account)
+    return if account.requested?(target_account)
+
     follow_request = FollowRequest.create!(account: account, target_account: target_account)
     NotifyService.new.call(target_account, follow_request)
   end
@@ -88,6 +91,7 @@ class ProcessInteractionService < BaseService
 
   def unfollow!(account, target_account)
     account.unfollow!(target_account)
+    FollowRequest.find_by(account: account, target_account: target_account)&.destroy
   end
 
   def reflect_block!(account, target_account)
diff --git a/app/services/process_mentions_service.rb b/app/services/process_mentions_service.rb
index 438033d22..dc386c9e7 100644
--- a/app/services/process_mentions_service.rb
+++ b/app/services/process_mentions_service.rb
@@ -28,18 +28,32 @@ class ProcessMentionsService < BaseService
     end
 
     status.mentions.includes(:account).each do |mention|
-      mentioned_account = mention.account
-
-      if mentioned_account.local?
-        NotifyService.new.call(mentioned_account, mention)
-      else
-        NotificationWorker.perform_async(stream_entry_to_xml(status.stream_entry), status.account_id, mentioned_account.id)
-      end
+      create_notification(status, mention)
     end
   end
 
   private
 
+  def create_notification(status, mention)
+    mentioned_account = mention.account
+
+    if mentioned_account.local?
+      NotifyService.new.call(mentioned_account, mention)
+    elsif mentioned_account.ostatus? && (Rails.configuration.x.use_ostatus_privacy || !status.stream_entry.hidden?)
+      NotificationWorker.perform_async(stream_entry_to_xml(status.stream_entry), status.account_id, mentioned_account.id)
+    elsif mentioned_account.activitypub? && !mentioned_account.following?(status.account)
+      ActivityPub::DeliveryWorker.perform_async(build_json(mention.status), mention.status.account_id, mentioned_account.inbox_url)
+    end
+  end
+
+  def build_json(status)
+    Oj.dump(ActivityPub::LinkedDataSignature.new(ActiveModelSerializers::SerializableResource.new(
+      status,
+      serializer: ActivityPub::ActivitySerializer,
+      adapter: ActivityPub::Adapter
+    ).as_json).sign!(status.account))
+  end
+
   def follow_remote_account_service
     @follow_remote_account_service ||= ResolveRemoteAccountService.new
   end
diff --git a/app/services/reblog_service.rb b/app/services/reblog_service.rb
index 497cdb4f5..52e3ba0e0 100644
--- a/app/services/reblog_service.rb
+++ b/app/services/reblog_service.rb
@@ -20,17 +20,35 @@ class ReblogService < BaseService
     reblog = account.statuses.create!(reblog: reblogged_status, text: '')
 
     DistributionWorker.perform_async(reblog.id)
+
     unless /👁$/.match?(reblogged_status.content)
       Pubsubhubbub::DistributionWorker.perform_async(reblog.stream_entry.id)
+      ActivityPub::DistributionWorker.perform_async(reblog.id)
     end
 
+    create_notification(reblog)
+    reblog
+  end
+
+  private
 
-    if reblogged_status.local?
-      NotifyService.new.call(reblog.reblog.account, reblog)
-    else
-      NotificationWorker.perform_async(stream_entry_to_xml(reblog.stream_entry), account.id, reblog.reblog.account_id)
+  def create_notification(reblog)
+    reblogged_status = reblog.reblog
+
+    if reblogged_status.account.local?
+      NotifyService.new.call(reblogged_status.account, reblog)
+    elsif reblogged_status.account.ostatus?
+      NotificationWorker.perform_async(stream_entry_to_xml(reblog.stream_entry), reblog.account_id, reblogged_status.account_id)
+    elsif reblogged_status.account.activitypub? && !reblogged_status.account.following?(reblog.account)
+      ActivityPub::DeliveryWorker.perform_async(build_json(reblog), reblog.account_id, reblogged_status.account.inbox_url)
     end
+  end
 
-    reblog
+  def build_json(reblog)
+    Oj.dump(ActivityPub::LinkedDataSignature.new(ActiveModelSerializers::SerializableResource.new(
+      reblog,
+      serializer: ActivityPub::ActivitySerializer,
+      adapter: ActivityPub::Adapter
+    ).as_json).sign!(reblog.account))
   end
 end
diff --git a/app/services/reject_follow_service.rb b/app/services/reject_follow_service.rb
index fd7e66c23..c1f7bcb60 100644
--- a/app/services/reject_follow_service.rb
+++ b/app/services/reject_follow_service.rb
@@ -4,11 +4,28 @@ class RejectFollowService < BaseService
   def call(source_account, target_account)
     follow_request = FollowRequest.find_by!(account: source_account, target_account: target_account)
     follow_request.reject!
-    NotificationWorker.perform_async(build_xml(follow_request), target_account.id, source_account.id) unless source_account.local?
+    create_notification(follow_request) unless source_account.local?
+    follow_request
   end
 
   private
 
+  def create_notification(follow_request)
+    if follow_request.account.ostatus?
+      NotificationWorker.perform_async(build_xml(follow_request), follow_request.target_account_id, follow_request.account_id)
+    elsif follow_request.account.activitypub?
+      ActivityPub::DeliveryWorker.perform_async(build_json(follow_request), follow_request.target_account_id, follow_request.account.inbox_url)
+    end
+  end
+
+  def build_json(follow_request)
+    Oj.dump(ActivityPub::LinkedDataSignature.new(ActiveModelSerializers::SerializableResource.new(
+      follow_request,
+      serializer: ActivityPub::RejectFollowSerializer,
+      adapter: ActivityPub::Adapter
+    ).as_json).sign!(follow_request.target_account))
+  end
+
   def build_xml(follow_request)
     OStatus::AtomSerializer.render(OStatus::AtomSerializer.new.reject_follow_request_salmon(follow_request))
   end
diff --git a/app/services/remove_status_service.rb b/app/services/remove_status_service.rb
index a5281f586..83fc77043 100644
--- a/app/services/remove_status_service.rb
+++ b/app/services/remove_status_service.rb
@@ -22,8 +22,8 @@ class RemoveStatusService < BaseService
 
     return unless @account.local?
 
-    remove_from_mentioned(@stream_entry.reload)
-    Pubsubhubbub::DistributionWorker.perform_async(@stream_entry.id)
+    remove_from_remote_followers
+    remove_from_remote_affected
   end
 
   private
@@ -38,15 +38,52 @@ class RemoveStatusService < BaseService
     end
   end
 
-  def remove_from_mentioned(stream_entry)
-    salmon_xml       = stream_entry_to_xml(stream_entry)
-    target_accounts  = @mentions.map(&:account).reject(&:local?).uniq(&:domain)
+  def remove_from_remote_affected
+    # People who got mentioned in the status, or who
+    # reblogged it from someone else might not follow
+    # the author and wouldn't normally receive the
+    # delete notification - so here, we explicitly
+    # send it to them
 
-    NotificationWorker.push_bulk(target_accounts) do |target_account|
-      [salmon_xml, stream_entry.account_id, target_account.id]
+    target_accounts = (@mentions.map(&:account).reject(&:local?) + @reblogs.map(&:account).reject(&:local?)).uniq(&:id)
+
+    # Ostatus
+    NotificationWorker.push_bulk(target_accounts.select(&:ostatus?).uniq(&:domain)) do |target_account|
+      [salmon_xml, @account.id, target_account.id]
+    end
+
+    # ActivityPub
+    ActivityPub::DeliveryWorker.push_bulk(target_accounts.select(&:activitypub?).uniq(&:inbox_url)) do |target_account|
+      [signed_activity_json, @account.id, target_account.inbox_url]
+    end
+  end
+
+  def remove_from_remote_followers
+    # OStatus
+    Pubsubhubbub::RawDistributionWorker.perform_async(salmon_xml, @account.id)
+
+    # ActivityPub
+    ActivityPub::DeliveryWorker.push_bulk(@account.followers.inboxes) do |inbox_url|
+      [signed_activity_json, @account.id, inbox_url]
     end
   end
 
+  def salmon_xml
+    @salmon_xml ||= stream_entry_to_xml(@stream_entry)
+  end
+
+  def signed_activity_json
+    @signed_activity_json ||= Oj.dump(ActivityPub::LinkedDataSignature.new(activity_json).sign!(@account))
+  end
+
+  def activity_json
+    @activity_json ||= ActiveModelSerializers::SerializableResource.new(
+      @status,
+      serializer: @status.reblog? ? ActivityPub::UndoAnnounceSerializer : ActivityPub::DeleteSerializer,
+      adapter: ActivityPub::Adapter
+    ).as_json
+  end
+
   def remove_reblogs
     # We delete reblogs of the status before the original status,
     # because once original status is gone, reblogs will disappear
diff --git a/app/services/resolve_remote_account_service.rb b/app/services/resolve_remote_account_service.rb
index e0e2ebc83..7031c98f5 100644
--- a/app/services/resolve_remote_account_service.rb
+++ b/app/services/resolve_remote_account_service.rb
@@ -2,6 +2,7 @@
 
 class ResolveRemoteAccountService < BaseService
   include OStatus2::MagicKey
+  include JsonLdHelper
 
   DFRN_NS = 'http://purl.org/macgirvin/dfrn/1.0'
 
@@ -12,6 +13,7 @@ class ResolveRemoteAccountService < BaseService
   # @return [Account]
   def call(uri, update_profile = true, redirected = nil)
     @username, @domain = uri.split('@')
+    @update_profile    = update_profile
 
     return Account.find_local(@username) if TagManager.instance.local_domain?(@domain)
 
@@ -42,10 +44,11 @@ class ResolveRemoteAccountService < BaseService
       if lock.acquired?
         @account = Account.find_remote(@username, @domain)
 
-        create_account if @account.nil?
-        update_account
-
-        update_account_profile if update_profile
+        if activitypub_ready?
+          handle_activitypub
+        else
+          handle_ostatus
+        end
       end
     end
 
@@ -58,18 +61,46 @@ class ResolveRemoteAccountService < BaseService
   private
 
   def links_missing?
-    @webfinger.link('http://schemas.google.com/g/2010#updates-from').nil? ||
+    !(activitypub_ready? || ostatus_ready?)
+  end
+
+  def ostatus_ready?
+    !(@webfinger.link('http://schemas.google.com/g/2010#updates-from').nil? ||
       @webfinger.link('salmon').nil? ||
       @webfinger.link('http://webfinger.net/rel/profile-page').nil? ||
       @webfinger.link('magic-public-key').nil? ||
       canonical_uri.nil? ||
-      hub_url.nil?
+      hub_url.nil?)
   end
 
   def webfinger_update_due?
     @account.nil? || @account.last_webfingered_at.nil? || @account.last_webfingered_at <= 1.day.ago
   end
 
+  def activitypub_ready?
+    !@webfinger.link('self').nil? &&
+      ['application/activity+json', 'application/ld+json; profile="https://www.w3.org/ns/activitystreams"'].include?(@webfinger.link('self').type) &&
+      actor_json['inbox'].present?
+  end
+
+  def handle_ostatus
+    create_account if @account.nil?
+    update_account
+    update_account_profile if update_profile?
+  end
+
+  def update_profile?
+    @update_profile
+  end
+
+  def handle_activitypub
+    return if actor_json.nil?
+
+    @account = ActivityPub::ProcessAccountService.new.call(@username, @domain, actor_json)
+  rescue Oj::ParseError
+    nil
+  end
+
   def create_account
     Rails.logger.debug "Creating new remote account for #{@username}@#{@domain}"
 
@@ -81,6 +112,7 @@ class ResolveRemoteAccountService < BaseService
 
   def update_account
     @account.last_webfingered_at = Time.now.utc
+    @account.protocol            = :ostatus
     @account.remote_url          = atom_url
     @account.salmon_url          = salmon_url
     @account.url                 = url
@@ -111,6 +143,10 @@ class ResolveRemoteAccountService < BaseService
     @salmon_url ||= @webfinger.link('salmon').href
   end
 
+  def actor_url
+    @actor_url ||= @webfinger.link('self').href
+  end
+
   def url
     @url ||= @webfinger.link('http://webfinger.net/rel/profile-page').href
   end
@@ -149,6 +185,13 @@ class ResolveRemoteAccountService < BaseService
     @atom_body = response.to_s
   end
 
+  def actor_json
+    return @actor_json if defined?(@actor_json)
+
+    json        = fetch_resource(actor_url)
+    @actor_json = supported_context?(json) && json['type'] == 'Person' ? json : nil
+  end
+
   def atom
     return @atom if defined?(@atom)
     @atom = Nokogiri::XML(atom_body)
diff --git a/app/services/subscribe_service.rb b/app/services/subscribe_service.rb
index d3e41e691..bfa7ff8c8 100644
--- a/app/services/subscribe_service.rb
+++ b/app/services/subscribe_service.rb
@@ -2,7 +2,7 @@
 
 class SubscribeService < BaseService
   def call(account)
-    return unless account.ostatus?
+    return if account.hub_url.blank?
 
     @account        = account
     @account.secret = SecureRandom.hex
@@ -42,7 +42,7 @@ class SubscribeService < BaseService
   end
 
   def some_local_account
-    @some_local_account ||= Account.local.first
+    @some_local_account ||= Account.local.where(suspended: false).first
   end
 
   # Any response in the 3xx or 4xx range, except for 429 (rate limit)
diff --git a/app/services/unblock_service.rb b/app/services/unblock_service.rb
index ff15c7275..869f62d1c 100644
--- a/app/services/unblock_service.rb
+++ b/app/services/unblock_service.rb
@@ -5,11 +5,28 @@ class UnblockService < BaseService
     return unless account.blocking?(target_account)
 
     unblock = account.unblock!(target_account)
-    NotificationWorker.perform_async(build_xml(unblock), account.id, target_account.id) unless target_account.local?
+    create_notification(unblock) unless target_account.local?
+    unblock
   end
 
   private
 
+  def create_notification(unblock)
+    if unblock.target_account.ostatus?
+      NotificationWorker.perform_async(build_xml(unblock), unblock.account_id, unblock.target_account_id)
+    elsif unblock.target_account.activitypub?
+      ActivityPub::DeliveryWorker.perform_async(build_json(unblock), unblock.account_id, unblock.target_account.inbox_url)
+    end
+  end
+
+  def build_json(unblock)
+    Oj.dump(ActivityPub::LinkedDataSignature.new(ActiveModelSerializers::SerializableResource.new(
+      unblock,
+      serializer: ActivityPub::UndoBlockSerializer,
+      adapter: ActivityPub::Adapter
+    ).as_json).sign!(unblock.account))
+  end
+
   def build_xml(block)
     OStatus::AtomSerializer.render(OStatus::AtomSerializer.new.unblock_salmon(block))
   end
diff --git a/app/services/unfavourite_service.rb b/app/services/unfavourite_service.rb
index 564aaee46..2fda11bd6 100644
--- a/app/services/unfavourite_service.rb
+++ b/app/services/unfavourite_service.rb
@@ -4,14 +4,30 @@ class UnfavouriteService < BaseService
   def call(account, status)
     favourite = Favourite.find_by!(account: account, status: status)
     favourite.destroy!
-
-    NotificationWorker.perform_async(build_xml(favourite), account.id, status.account_id) unless status.local?
-
+    create_notification(favourite) unless status.local?
     favourite
   end
 
   private
 
+  def create_notification(favourite)
+    status = favourite.status
+
+    if status.account.ostatus?
+      NotificationWorker.perform_async(build_xml(favourite), favourite.account_id, status.account_id)
+    elsif status.account.activitypub?
+      ActivityPub::DeliveryWorker.perform_async(build_json(favourite), favourite.account_id, status.account.inbox_url)
+    end
+  end
+
+  def build_json(favourite)
+    Oj.dump(ActivityPub::LinkedDataSignature.new(ActiveModelSerializers::SerializableResource.new(
+      favourite,
+      serializer: ActivityPub::UndoLikeSerializer,
+      adapter: ActivityPub::Adapter
+    ).as_json).sign!(favourite.account))
+  end
+
   def build_xml(favourite)
     OStatus::AtomSerializer.render(OStatus::AtomSerializer.new.unfavourite_salmon(favourite))
   end
diff --git a/app/services/unfollow_service.rb b/app/services/unfollow_service.rb
index 388909586..73a64929f 100644
--- a/app/services/unfollow_service.rb
+++ b/app/services/unfollow_service.rb
@@ -5,14 +5,51 @@ class UnfollowService < BaseService
   # @param [Account] source_account Where to unfollow from
   # @param [Account] target_account Which to unfollow
   def call(source_account, target_account)
-    follow = source_account.unfollow!(target_account)
-    return unless follow
-    NotificationWorker.perform_async(build_xml(follow), source_account.id, target_account.id) unless target_account.local?
-    UnmergeWorker.perform_async(target_account.id, source_account.id)
+    @source_account = source_account
+    @target_account = target_account
+
+    unfollow! || undo_follow_request!
   end
 
   private
 
+  def unfollow!
+    follow = Follow.find_by(account: @source_account, target_account: @target_account)
+
+    return unless follow
+
+    follow.destroy!
+    create_notification(follow) unless @target_account.local?
+    UnmergeWorker.perform_async(@target_account.id, @source_account.id)
+    follow
+  end
+
+  def undo_follow_request!
+    follow_request = FollowRequest.find_by(account: @source_account, target_account: @target_account)
+
+    return unless follow_request
+
+    follow_request.destroy!
+    create_notification(follow_request) unless @target_account.local?
+    follow_request
+  end
+
+  def create_notification(follow)
+    if follow.target_account.ostatus?
+      NotificationWorker.perform_async(build_xml(follow), follow.account_id, follow.target_account_id)
+    elsif follow.target_account.activitypub?
+      ActivityPub::DeliveryWorker.perform_async(build_json(follow), follow.account_id, follow.target_account.inbox_url)
+    end
+  end
+
+  def build_json(follow)
+    Oj.dump(ActivityPub::LinkedDataSignature.new(ActiveModelSerializers::SerializableResource.new(
+      follow,
+      serializer: ActivityPub::UndoFollowSerializer,
+      adapter: ActivityPub::Adapter
+    ).as_json).sign!(follow.account))
+  end
+
   def build_xml(follow)
     OStatus::AtomSerializer.render(OStatus::AtomSerializer.new.unfollow_salmon(follow))
   end
diff --git a/app/services/unsubscribe_service.rb b/app/services/unsubscribe_service.rb
index c5e0e73fe..865f783bc 100644
--- a/app/services/unsubscribe_service.rb
+++ b/app/services/unsubscribe_service.rb
@@ -2,7 +2,7 @@
 
 class UnsubscribeService < BaseService
   def call(account)
-    return unless account.ostatus?
+    return if account.hub_url.blank?
 
     @account  = account
     @response = build_request.perform
diff --git a/app/services/update_account_service.rb b/app/services/update_account_service.rb
new file mode 100644
index 000000000..09ea377e7
--- /dev/null
+++ b/app/services/update_account_service.rb
@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+class UpdateAccountService < BaseService
+  def call(account, params, raise_error: false)
+    was_locked = account.locked
+    update_method = raise_error ? :update! : :update
+    account.send(update_method, params).tap do |ret|
+      next unless ret
+      authorize_all_follow_requests(account) if was_locked && !account.locked
+    end
+  end
+
+  private
+
+  def authorize_all_follow_requests(account)
+    follow_requests = FollowRequest.where(target_account: account)
+    AuthorizeFollowWorker.push_bulk(follow_requests) do |req|
+      [req.account_id, req.target_account_id]
+    end
+  end
+end
diff --git a/app/validators/status_pin_validator.rb b/app/validators/status_pin_validator.rb
new file mode 100644
index 000000000..f557df6af
--- /dev/null
+++ b/app/validators/status_pin_validator.rb
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+class StatusPinValidator < ActiveModel::Validator
+  def validate(pin)
+    pin.errors.add(:status, I18n.t('statuses.pin_errors.reblog')) if pin.status.reblog?
+    pin.errors.add(:status, I18n.t('statuses.pin_errors.ownership')) if pin.account_id != pin.status.account_id
+    pin.errors.add(:status, I18n.t('statuses.pin_errors.private')) unless %w(public unlisted).include?(pin.status.visibility)
+  end
+end
diff --git a/app/views/about/more.html.haml b/app/views/about/more.html.haml
index 6d621ce8b..99d7d2972 100644
--- a/app/views/about/more.html.haml
+++ b/app/views/about/more.html.haml
@@ -63,9 +63,9 @@
   .footer-links
     .container
       %p
-        = link_to t('about.source_code'), 'https://github.com/glitch-soc/mastodon'
+        = link_to t('about.source_code'), @instance_presenter.source_url
         - if @instance_presenter.commit_hash == ""
-          %strong= @instance_presenter.version_number
+          %strong= " (#{@instance_presenter.version_number})"
         - else
           %strong= "#{@instance_presenter.version_number}, "
           %strong= "#{@instance_presenter.commit_hash}"
diff --git a/app/views/about/show.html.haml b/app/views/about/show.html.haml
index 3e04dd038..5962436fc 100644
--- a/app/views/about/show.html.haml
+++ b/app/views/about/show.html.haml
@@ -58,7 +58,7 @@
                 = @instance_presenter.closed_registrations_message.html_safe
             = link_to t('about.find_another_instance'), 'https://joinmastodon.org/', class: 'button button-alternative button--block'
 
-  .learn-more-cta
+  .about-short
     .container
       %h3= t('about.description_headline', domain: site_hostname)
       %p= @instance_presenter.site_description.html_safe.presence || t('about.generic_description', domain: site_hostname)
@@ -76,7 +76,7 @@
   .footer-links
     .container
       %p
-        = link_to t('about.source_code'), 'https://github.com/glitch-soc/mastodon'
+        = link_to t('about.source_code'), @instance_presenter.source_url
         - if @instance_presenter.commit_hash == ""
           %strong= " (#{@instance_presenter.version_number})"
         - else
diff --git a/app/views/accounts/_grid_card.html.haml b/app/views/accounts/_grid_card.html.haml
index 0571d1d5e..305eb2c44 100644
--- a/app/views/accounts/_grid_card.html.haml
+++ b/app/views/accounts/_grid_card.html.haml
@@ -1,8 +1,9 @@
 .account-grid-card
-  .account-grid-card__header
+  .account-grid-card__header{ style: "background-image: url(#{account.header.url(:original)})" }
+  .account-grid-card__avatar
     .avatar= image_tag account.avatar.url(:original)
-    .name
-      = link_to TagManager.instance.url_for(account) do
-        %span.display_name.emojify= display_name(account)
-        %span.username @#{account.acct}
+  .name
+    = link_to TagManager.instance.url_for(account) do
+      %span.display_name.emojify= display_name(account)
+      %span.username @#{account.acct}
   %p.note.emojify= truncate(strip_tags(account.note), length: 150)
diff --git a/app/views/accounts/_header.html.haml b/app/views/accounts/_header.html.haml
index ed8a6f091..c16b7bf1f 100644
--- a/app/views/accounts/_header.html.haml
+++ b/app/views/accounts/_header.html.haml
@@ -1,41 +1,57 @@
 - processed_bio = FrontmatterHandler.instance.process_bio Formatter.instance.simplified_format account
 .card.h-card.p-author{ style: "background-image: url(#{account.header.url(:original)})" }
-  .details
+  .card__illustration
     - if user_signed_in? && current_account.id != account.id && !current_account.requested?(account)
       .controls
         - if current_account.following?(account)
-          = link_to t('accounts.unfollow'), account_unfollow_path(account), data: { method: :post }, class: 'button'
+          = link_to account_unfollow_path(account), data: { method: :post }, class: 'icon-button' do
+            = fa_icon 'user-times'
+            = t('accounts.unfollow')
         - else
-          = link_to t('accounts.follow'), account_follow_path(account), data: { method: :post }, class: 'button'
+          = link_to account_follow_path(account), data: { method: :post }, class: 'icon-button' do
+            = fa_icon 'user-plus'
+            = t('accounts.follow')
     - elsif !user_signed_in?
       .controls
         .remote-follow
-          = link_to t('accounts.remote_follow'), account_remote_follow_path(account), class: 'button'
+          = link_to account_remote_follow_path(account), class: 'icon-button' do
+            = fa_icon 'user-plus'
+            = t('accounts.remote_follow')
+
     .avatar= image_tag account.avatar.url(:original), class: 'u-photo'
+
+  .card__bio
     %h1.name
       %span.p-name.emojify= display_name(account)
       %small
-        %span @#{account.username}
+        %span @#{account.local_username_and_domain}
         = fa_icon('lock') if account.locked?
+
+    - if account.user_admin?
+      .roles
+        .account-role
+          = t 'accounts.roles.admin'
     .bio
       .account__header__content.p-note.emojify!=processed_bio[:text]
+      - if processed_bio[:metadata].length > 0
+        .metadata<
+          - processed_bio[:metadata].each do |i|
+            .metadata-item><
+              %b.emojify>!=i[0]
+              %span.emojify>!=i[1]
 
     .details-counters
       .counter{ class: active_nav_class(short_account_url(account)) }
         = link_to short_account_url(account), class: 'u-url u-uid' do
+          %span.counter-number= number_to_human account.statuses_count
           %span.counter-label= t('accounts.posts')
-          %span.counter-number= number_with_delimiter account.statuses_count
+
       .counter{ class: active_nav_class(account_following_index_url(account)) }
         = link_to account_following_index_url(account) do
+          %span.counter-number= number_to_human account.following_count
           %span.counter-label= t('accounts.following')
-          %span.counter-number= number_with_delimiter account.following_count
+
       .counter{ class: active_nav_class(account_followers_url(account)) }
         = link_to account_followers_url(account) do
+          %span.counter-number= number_to_human account.followers_count
           %span.counter-label= t('accounts.followers')
-          %span.counter-number= number_with_delimiter account.followers_count
-  - if processed_bio[:metadata].length > 0
-    .metadata<
-      - processed_bio[:metadata].each do |i|
-        .metadata-item><
-          %b.emojify>!=i[0]
-          %span.emojify>!=i[1]
diff --git a/app/views/accounts/show.html.haml b/app/views/accounts/show.html.haml
index 150c14791..e0f9f869a 100644
--- a/app/views/accounts/show.html.haml
+++ b/app/views/accounts/show.html.haml
@@ -7,6 +7,7 @@
 
   %link{ rel: 'salmon', href: api_salmon_url(@account.id) }/
   %link{ rel: 'alternate', type: 'application/atom+xml', href: account_url(@account, format: 'atom') }/
+  %link{ rel: 'alternate', type: 'application/activity+json', href: ActivityPub::TagManager.instance.uri_for(@account) }/
 
   %meta{ property: 'og:type', content: 'profile' }/
   = render 'og', account: @account, url: short_account_url(@account, only_path: false)
@@ -19,13 +20,21 @@
 
   = render 'header', account: @account
 
+  .activity-stream-tabs
+    = active_link_to t('accounts.posts'), short_account_url(@account)
+    = active_link_to t('accounts.posts_with_replies'), short_account_with_replies_url(@account)
+    = active_link_to t('accounts.media'), short_account_media_url(@account)
+
   - if @statuses.empty?
     .accounts-grid
       = render 'nothing_here'
   - else
     .activity-stream.with-header
+      - if params[:page].to_i.zero?
+        = render partial: 'stream_entries/status', collection: @pinned_statuses, as: :status, locals: { pinned: true }
+
       = render partial: 'stream_entries/status', collection: @statuses, as: :status
 
   - if @statuses.size == 20
     .pagination
-      = link_to safe_join([t('pagination.next'), fa_icon('chevron-right')], ' '), short_account_url(@account, max_id: @statuses.last.id), class: 'next', rel: 'next'
+      = link_to safe_join([t('pagination.next'), fa_icon('chevron-right')], ' '), @next_url, class: 'next', rel: 'next'
diff --git a/app/views/admin/accounts/_account.html.haml b/app/views/admin/accounts/_account.html.haml
index c513776b7..5265d77f6 100644
--- a/app/views/admin/accounts/_account.html.haml
+++ b/app/views/admin/accounts/_account.html.haml
@@ -4,6 +4,9 @@
   %td.domain
     - unless account.local?
       = link_to account.domain, admin_accounts_path(by_domain: account.domain)
+  %td.protocol
+    - unless account.local?
+      = account.protocol.humanize
   %td.confirmed
     - if account.local?
       - if account.user_confirmed?
diff --git a/app/views/admin/accounts/index.html.haml b/app/views/admin/accounts/index.html.haml
index 07c8d1632..1f36aeb31 100644
--- a/app/views/admin/accounts/index.html.haml
+++ b/app/views/admin/accounts/index.html.haml
@@ -55,6 +55,7 @@
     %tr
       %th= t('admin.accounts.username')
       %th= t('admin.accounts.domain')
+      %th= t('admin.accounts.protocol')
       %th= t('admin.accounts.confirmed')
       %th= fa_icon 'paper-plane-o'
       %th
diff --git a/app/views/admin/accounts/show.html.haml b/app/views/admin/accounts/show.html.haml
index 5ad1fd6ee..dc2f16cc9 100644
--- a/app/views/admin/accounts/show.html.haml
+++ b/app/views/admin/accounts/show.html.haml
@@ -24,7 +24,8 @@
         %th= t('admin.accounts.most_recent_activity')
         %td
           - if @account.user_current_sign_in_at
-            = l @account.user_current_sign_in_at
+            %time.formatted{ datetime: @account.user_current_sign_in_at.iso8601, title: l(@account.user_current_sign_in_at) }
+              = l @account.user_current_sign_in_at
           - else
             Never
     - else
@@ -32,18 +33,31 @@
         %th= t('admin.accounts.profile_url')
         %td= link_to @account.url, @account.url
       %tr
-        %th= t('admin.accounts.feed_url')
-        %td= link_to @account.remote_url, @account.remote_url
-      %tr
-        %th= t('admin.accounts.push_subscription_expires')
-        %td
-          - if @account.subscribed?
-            = l @account.subscription_expires_at
-          - else
-            = t('admin.accounts.not_subscribed')
-      %tr
-        %th= t('admin.accounts.salmon_url')
-        %td= link_to @account.salmon_url, @account.salmon_url
+        %th= t('admin.accounts.protocol')
+        %td= @account.protocol.humanize
+
+      - if @account.ostatus?
+        %tr
+          %th= t('admin.accounts.feed_url')
+          %td= link_to @account.remote_url, @account.remote_url
+        %tr
+          %th= t('admin.accounts.push_subscription_expires')
+          %td
+            - if @account.subscribed?
+              %time.formatted{ datetime: @account.subscription_expires_at.iso8601, title: l(@account.subscription_expires_at) }
+                = l @account.subscription_expires_at
+            - else
+              = t('admin.accounts.not_subscribed')
+        %tr
+          %th= t('admin.accounts.salmon_url')
+          %td= link_to @account.salmon_url, @account.salmon_url
+      - elsif @account.activitypub?
+        %tr
+          %th= t('admin.accounts.inbox_url')
+          %td= link_to @account.inbox_url, @account.inbox_url
+        %tr
+          %th= t('admin.accounts.outbox_url')
+          %td= link_to @account.outbox_url, @account.outbox_url
 
     %tr
       %th= t('admin.accounts.follows')
@@ -74,9 +88,10 @@
     - if @account.user&.otp_required_for_login?
       = link_to t('admin.accounts.disable_two_factor_authentication'), admin_user_two_factor_authentication_path(@account.user.id), method: :delete, class: 'button'
   - else
-    = link_to @account.subscribed? ? t('admin.accounts.resubscribe') : t('admin.accounts.subscribe'), subscribe_admin_account_path(@account.id), method: :post, class: 'button'
-    - if @account.subscribed?
-      = link_to t('admin.accounts.unsubscribe'), unsubscribe_admin_account_path(@account.id), method: :post, class: 'button negative'
+    - if @account.ostatus?
+      = link_to @account.subscribed? ? t('admin.accounts.resubscribe') : t('admin.accounts.subscribe'), subscribe_admin_account_path(@account.id), method: :post, class: 'button'
+      - if @account.subscribed?
+        = link_to t('admin.accounts.unsubscribe'), unsubscribe_admin_account_path(@account.id), method: :post, class: 'button negative'
     = link_to t('admin.accounts.redownload'), redownload_admin_account_path(@account.id), method: :post, class: 'button'
 
 %div{ style: 'float: left' }
diff --git a/app/views/auth/registrations/edit.html.haml b/app/views/auth/registrations/edit.html.haml
index f016a4883..145f5cd9e 100644
--- a/app/views/auth/registrations/edit.html.haml
+++ b/app/views/auth/registrations/edit.html.haml
@@ -1,7 +1,7 @@
 - content_for :page_title do
   = t('auth.change_password')
 
-= simple_form_for(resource, as: resource_name, url: registration_path(resource_name), html: { method: :put }) do |f|
+= simple_form_for(resource, as: resource_name, url: registration_path(resource_name), html: { method: :put, class: 'auth_edit' }) do |f|
   = render 'shared/error_messages', object: resource
 
   = f.input :email, placeholder: t('simple_form.labels.defaults.email'), input_html: { 'aria-label' => t('simple_form.labels.defaults.email') }
diff --git a/app/views/home/index.html.haml b/app/views/home/index.html.haml
index ec6e53461..a13d0702b 100644
--- a/app/views/home/index.html.haml
+++ b/app/views/home/index.html.haml
@@ -10,4 +10,4 @@
     = image_tag asset_pack_path('logo.svg'), alt: 'Mastodon'
 
     %div
-      = t('errors.noscript')
+      = t('errors.noscript_html')
diff --git a/app/views/layouts/application.html.haml b/app/views/layouts/application.html.haml
index 399d70bc0..a157090e0 100755
--- a/app/views/layouts/application.html.haml
+++ b/app/views/layouts/application.html.haml
@@ -37,7 +37,8 @@
 
     = yield :header_tags
 
-  - body_classes ||= @body_classes
+  - body_classes ||= @body_classes || ''
+  - body_classes += ' system-font' if current_account&.user&.setting_system_font_ui
 
   %body{ class: add_rtl_body_class(body_classes) }
     = content_for?(:content) ? yield(:content) : yield
diff --git a/app/views/settings/applications/_fields.html.haml b/app/views/settings/applications/_fields.html.haml
new file mode 100644
index 000000000..b21f3cca6
--- /dev/null
+++ b/app/views/settings/applications/_fields.html.haml
@@ -0,0 +1,21 @@
+.fields-group
+  = f.input :name, placeholder: t('activerecord.attributes.doorkeeper/application.name')
+  = f.input :website, placeholder: t('activerecord.attributes.doorkeeper/application.website')
+
+.fields-group
+  = f.input :redirect_uri, wrapper: :with_block_label, label: t('activerecord.attributes.doorkeeper/application.redirect_uri'), hint: t('doorkeeper.applications.help.redirect_uri')
+
+  %p.hint= t('doorkeeper.applications.help.native_redirect_uri', native_redirect_uri: Doorkeeper.configuration.native_redirect_uri)
+
+.field-group
+  = f.input :scopes,
+    label: t('activerecord.attributes.doorkeeper/application.scopes'),
+    collection: Doorkeeper.configuration.scopes,
+    wrapper: :with_label,
+    include_blank: false,
+    label_method: lambda { |scope| safe_join([scope, content_tag(:span, t("doorkeeper.scopes.#{scope}"), class: 'hint')]) },
+    selected: f.object.scopes.all,
+    required: false,
+    as: :check_boxes,
+    collection_wrapper_tag: 'ul',
+    item_wrapper_tag: 'li'
diff --git a/app/views/settings/applications/index.html.haml b/app/views/settings/applications/index.html.haml
new file mode 100644
index 000000000..eea550388
--- /dev/null
+++ b/app/views/settings/applications/index.html.haml
@@ -0,0 +1,19 @@
+- content_for :page_title do
+  = t('doorkeeper.applications.index.title')
+
+%table.table
+  %thead
+    %tr
+      %th= t('doorkeeper.applications.index.application')
+      %th= t('doorkeeper.applications.index.scopes')
+      %th
+  %tbody
+    - @applications.each do |application|
+      %tr
+        %td= link_to application.name, settings_application_path(application)
+        %th= application.scopes
+        %td
+          = table_link_to 'times', t('doorkeeper.applications.index.delete'), settings_application_path(application), method: :delete, data: { confirm: t('doorkeeper.applications.confirmations.destroy') }
+
+= paginate @applications
+= link_to t('doorkeeper.applications.index.new'), new_settings_application_path, class: 'button'
diff --git a/app/views/settings/applications/new.html.haml b/app/views/settings/applications/new.html.haml
new file mode 100644
index 000000000..5274a430c
--- /dev/null
+++ b/app/views/settings/applications/new.html.haml
@@ -0,0 +1,8 @@
+- content_for :page_title do
+  = t('doorkeeper.applications.new.title')
+
+= simple_form_for @application, url: settings_applications_path do |f|
+  = render 'fields', f: f
+  
+  .actions
+    = f.button :button, t('doorkeeper.applications.buttons.submit'), type: :submit
diff --git a/app/views/settings/applications/show.html.haml b/app/views/settings/applications/show.html.haml
new file mode 100644
index 000000000..4d8555111
--- /dev/null
+++ b/app/views/settings/applications/show.html.haml
@@ -0,0 +1,30 @@
+- content_for :page_title do
+  = t('doorkeeper.applications.show.title', name: @application.name)
+
+%p.hint= t('applications.warning')
+
+%table.table
+  %tbody
+    %tr  
+      %th= t('doorkeeper.applications.show.application_id')
+      %td
+        %code= @application.uid
+    %tr
+      %th= t('doorkeeper.applications.show.secret')
+      %td
+        %code= @application.secret
+    %tr
+      %th{ rowspan: 2}= t('applications.your_token')
+      %td
+        %code= current_user.token_for_app(@application).token
+    %tr
+      %td= table_link_to 'refresh', t('applications.regenerate_token'), regenerate_settings_application_path(@application), method: :post
+
+%hr/
+
+= simple_form_for @application, url: settings_application_path(@application), method: :put do |f|
+  = render 'fields', f: f
+    
+  .actions
+    = f.button :button, t('generic.save_changes'), type: :submit
+
diff --git a/app/views/shared/_landing_strip.html.haml b/app/views/shared/_landing_strip.html.haml
index 35461a8cb..ae26fc1ff 100644
--- a/app/views/shared/_landing_strip.html.haml
+++ b/app/views/shared/_landing_strip.html.haml
@@ -1,5 +1,8 @@
 .landing-strip
-  = t('landing_strip_html', name: content_tag(:span, display_name(account), class: :emojify), link_to_root_path: link_to(content_tag(:strong, site_hostname), root_path))
+  = image_tag asset_pack_path('logo.svg'), class: 'logo'
 
-  - if open_registrations?
-    = t('landing_strip_signup_html', sign_up_path: new_user_registration_path)
+  %div
+    = t('landing_strip_html', name: content_tag(:span, display_name(account), class: :emojify), link_to_root_path: link_to(content_tag(:strong, site_hostname), root_path))
+
+    - if open_registrations?
+      = t('landing_strip_signup_html', sign_up_path: new_user_registration_path)
diff --git a/app/views/shares/show.html.haml b/app/views/shares/show.html.haml
new file mode 100644
index 000000000..44b6f145f
--- /dev/null
+++ b/app/views/shares/show.html.haml
@@ -0,0 +1,5 @@
+- content_for :header_tags do
+  %script#initial-state{ type: 'application/json' }!= json_escape(@initial_state_json)
+  = javascript_pack_tag 'share', integrity: true, crossorigin: 'anonymous'
+
+#mastodon-compose{ data: { props: Oj.dump(default_props) } }
diff --git a/app/views/stream_entries/_detailed_status.html.haml b/app/views/stream_entries/_detailed_status.html.haml
index 157a7e7fb..ab803eebd 100644
--- a/app/views/stream_entries/_detailed_status.html.haml
+++ b/app/views/stream_entries/_detailed_status.html.haml
@@ -1,4 +1,9 @@
 .detailed-status.light
+  - if embedded_view?
+    = link_to "web+mastodon://follow?uri=#{status.account.local_username_and_domain}", class: 'button button-secondary logo-button', target: '_new' do
+      = render file: Rails.root.join('app', 'javascript', 'images', 'logo.svg')
+      = t('accounts.follow')
+
   = link_to TagManager.instance.url_for(status.account), class: 'detailed-status__display-name p-author h-card', target: stream_link_target, rel: 'noopener' do
     %div
       .avatar
diff --git a/app/views/stream_entries/_status.html.haml b/app/views/stream_entries/_status.html.haml
index 50a373743..e2e1fdd12 100644
--- a/app/views/stream_entries/_status.html.haml
+++ b/app/views/stream_entries/_status.html.haml
@@ -1,4 +1,5 @@
 :ruby
+  pinned          ||= false
   include_threads ||= false
   is_predecessor  ||= false
   is_successor    ||= false
@@ -25,6 +26,12 @@
         = link_to TagManager.instance.url_for(status.account), class: 'status__display-name muted' do
           %strong.emojify= display_name(status.account)
         = t('stream_entries.reblogged')
+  - elsif pinned
+    .pre-header
+      .pre-header__icon
+        = fa_icon('thumb-tack fw')
+      %span
+        = t('stream_entries.pinned')
 
   = render (centered ? 'stream_entries/detailed_status' : 'stream_entries/simple_status'), status: status.proper
 
diff --git a/app/views/stream_entries/embed.html.haml b/app/views/stream_entries/embed.html.haml
index 5df82528b..b703c15d2 100644
--- a/app/views/stream_entries/embed.html.haml
+++ b/app/views/stream_entries/embed.html.haml
@@ -1,2 +1,3 @@
-.activity-stream.activity-stream-headless
-  = render @type, @type.to_sym => @stream_entry.activity, centered: true
+- cache @stream_entry.activity do
+  .activity-stream.activity-stream-headless
+    = render "stream_entries/#{@type}", @type.to_sym => @stream_entry.activity, centered: true
diff --git a/app/views/stream_entries/show.html.haml b/app/views/stream_entries/show.html.haml
index 80ea30eb1..5ef72f804 100644
--- a/app/views/stream_entries/show.html.haml
+++ b/app/views/stream_entries/show.html.haml
@@ -4,6 +4,7 @@
 
   %link{ rel: 'alternate', type: 'application/atom+xml', href: account_stream_entry_url(@account, @stream_entry, format: 'atom') }/
   %link{ rel: 'alternate', type: 'application/json+oembed', href: api_oembed_url(url: account_stream_entry_url(@account, @stream_entry), format: 'json') }/
+  %link{ rel: 'alternate', type: 'application/activity+json', href: ActivityPub::TagManager.instance.uri_for(@stream_entry.activity) }/
 
   %meta{ property: 'og:site_name', content: site_title }/
   %meta{ property: 'og:type', content: 'article' }/
diff --git a/app/workers/activitypub/delivery_worker.rb b/app/workers/activitypub/delivery_worker.rb
new file mode 100644
index 000000000..cd67b6710
--- /dev/null
+++ b/app/workers/activitypub/delivery_worker.rb
@@ -0,0 +1,37 @@
+# frozen_string_literal: true
+
+class ActivityPub::DeliveryWorker
+  include Sidekiq::Worker
+
+  sidekiq_options queue: 'push', retry: 5, dead: false
+
+  HEADERS = { 'Content-Type' => 'application/activity+json' }.freeze
+
+  def perform(json, source_account_id, inbox_url)
+    @json           = json
+    @source_account = Account.find(source_account_id)
+    @inbox_url      = inbox_url
+
+    perform_request
+
+    raise Mastodon::UnexpectedResponseError, @response unless response_successful?
+  rescue => e
+    raise e.class, "Delivery failed for #{inbox_url}: #{e.message}"
+  end
+
+  private
+
+  def build_request
+    request = Request.new(:post, @inbox_url, body: @json)
+    request.on_behalf_of(@source_account, :uri)
+    request.add_headers(HEADERS)
+  end
+
+  def perform_request
+    @response = build_request.perform
+  end
+
+  def response_successful?
+    @response.code > 199 && @response.code < 300
+  end
+end
diff --git a/app/workers/activitypub/distribution_worker.rb b/app/workers/activitypub/distribution_worker.rb
new file mode 100644
index 000000000..14bb933c0
--- /dev/null
+++ b/app/workers/activitypub/distribution_worker.rb
@@ -0,0 +1,42 @@
+# frozen_string_literal: true
+
+class ActivityPub::DistributionWorker
+  include Sidekiq::Worker
+
+  sidekiq_options queue: 'push'
+
+  def perform(status_id)
+    @status  = Status.find(status_id)
+    @account = @status.account
+
+    return if skip_distribution?
+
+    ActivityPub::DeliveryWorker.push_bulk(inboxes) do |inbox_url|
+      [signed_payload, @account.id, inbox_url]
+    end
+  rescue ActiveRecord::RecordNotFound
+    true
+  end
+
+  private
+
+  def skip_distribution?
+    @status.direct_visibility?
+  end
+
+  def inboxes
+    @inboxes ||= @account.followers.inboxes
+  end
+
+  def signed_payload
+    @signed_payload ||= Oj.dump(ActivityPub::LinkedDataSignature.new(payload).sign!(@account))
+  end
+
+  def payload
+    @payload ||= ActiveModelSerializers::SerializableResource.new(
+      @status,
+      serializer: ActivityPub::ActivitySerializer,
+      adapter: ActivityPub::Adapter
+    ).as_json
+  end
+end
diff --git a/app/workers/activitypub/post_upgrade_worker.rb b/app/workers/activitypub/post_upgrade_worker.rb
new file mode 100644
index 000000000..4154b8582
--- /dev/null
+++ b/app/workers/activitypub/post_upgrade_worker.rb
@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+class ActivityPub::PostUpgradeWorker
+  include Sidekiq::Worker
+
+  sidekiq_options queue: 'pull'
+
+  def perform(domain)
+    Account.where(domain: domain)
+           .where(protocol: :ostatus)
+           .where.not(last_webfingered_at: nil)
+           .in_batches
+           .update_all(last_webfingered_at: nil)
+  end
+end
diff --git a/app/workers/activitypub/processing_worker.rb b/app/workers/activitypub/processing_worker.rb
new file mode 100644
index 000000000..bb9adf64b
--- /dev/null
+++ b/app/workers/activitypub/processing_worker.rb
@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+class ActivityPub::ProcessingWorker
+  include Sidekiq::Worker
+
+  sidekiq_options backtrace: true
+
+  def perform(account_id, body)
+    ActivityPub::ProcessCollectionService.new.call(body, Account.find(account_id))
+  end
+end
diff --git a/app/workers/activitypub/raw_distribution_worker.rb b/app/workers/activitypub/raw_distribution_worker.rb
new file mode 100644
index 000000000..d73466f6e
--- /dev/null
+++ b/app/workers/activitypub/raw_distribution_worker.rb
@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+class ActivityPub::RawDistributionWorker
+  include Sidekiq::Worker
+
+  sidekiq_options queue: 'push'
+
+  def perform(json, source_account_id)
+    @account = Account.find(source_account_id)
+
+    ActivityPub::DeliveryWorker.push_bulk(inboxes) do |inbox_url|
+      [json, @account.id, inbox_url]
+    end
+  rescue ActiveRecord::RecordNotFound
+    true
+  end
+
+  private
+
+  def inboxes
+    @inboxes ||= @account.followers.inboxes
+  end
+end
diff --git a/app/workers/activitypub/reply_distribution_worker.rb b/app/workers/activitypub/reply_distribution_worker.rb
new file mode 100644
index 000000000..f9127340f
--- /dev/null
+++ b/app/workers/activitypub/reply_distribution_worker.rb
@@ -0,0 +1,42 @@
+# frozen_string_literal: true
+
+class ActivityPub::ReplyDistributionWorker
+  include Sidekiq::Worker
+
+  sidekiq_options queue: 'push'
+
+  def perform(status_id)
+    @status  = Status.find(status_id)
+    @account = @status.thread.account
+
+    return if skip_distribution?
+
+    ActivityPub::DeliveryWorker.push_bulk(inboxes) do |inbox_url|
+      [signed_payload, @status.account_id, inbox_url]
+    end
+  rescue ActiveRecord::RecordNotFound
+    true
+  end
+
+  private
+
+  def skip_distribution?
+    @status.private_visibility? || @status.direct_visibility?
+  end
+
+  def inboxes
+    @inboxes ||= @account.followers.inboxes
+  end
+
+  def signed_payload
+    @signed_payload ||= Oj.dump(ActivityPub::LinkedDataSignature.new(payload).sign!(@status.account))
+  end
+
+  def payload
+    @payload ||= ActiveModelSerializers::SerializableResource.new(
+      @status,
+      serializer: ActivityPub::ActivitySerializer,
+      adapter: ActivityPub::Adapter
+    ).as_json
+  end
+end
diff --git a/app/workers/activitypub/update_distribution_worker.rb b/app/workers/activitypub/update_distribution_worker.rb
new file mode 100644
index 000000000..f3377dcec
--- /dev/null
+++ b/app/workers/activitypub/update_distribution_worker.rb
@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+
+class ActivityPub::UpdateDistributionWorker
+  include Sidekiq::Worker
+
+  sidekiq_options queue: 'push'
+
+  def perform(account_id)
+    @account = Account.find(account_id)
+
+    ActivityPub::DeliveryWorker.push_bulk(inboxes) do |inbox_url|
+      [payload, @account.id, inbox_url]
+    end
+  rescue ActiveRecord::RecordNotFound
+    true
+  end
+
+  private
+
+  def inboxes
+    @inboxes ||= @account.followers.inboxes
+  end
+
+  def payload
+    @payload ||= ActiveModelSerializers::SerializableResource.new(
+      @account,
+      serializer: ActivityPub::UpdateSerializer,
+      adapter: ActivityPub::Adapter
+    ).to_json
+  end
+end
diff --git a/app/workers/authorize_follow_worker.rb b/app/workers/authorize_follow_worker.rb
new file mode 100644
index 000000000..0d5014624
--- /dev/null
+++ b/app/workers/authorize_follow_worker.rb
@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+class AuthorizeFollowWorker
+  include Sidekiq::Worker
+
+  def perform(source_account_id, target_account_id)
+    source_account = Account.find(source_account_id)
+    target_account = Account.find(target_account_id)
+
+    AuthorizeFollowService.new.call(source_account, target_account)
+  rescue ActiveRecord::RecordNotFound
+    true
+  end
+end
diff --git a/app/workers/pubsubhubbub/distribution_worker.rb b/app/workers/pubsubhubbub/distribution_worker.rb
index ea246128d..2a5e60fa0 100644
--- a/app/workers/pubsubhubbub/distribution_worker.rb
+++ b/app/workers/pubsubhubbub/distribution_worker.rb
@@ -14,7 +14,7 @@ class Pubsubhubbub::DistributionWorker
     @subscriptions = active_subscriptions.to_a
 
     distribute_public!(stream_entries.reject(&:hidden?))
-    distribute_hidden!(stream_entries.select(&:hidden?))
+    distribute_hidden!(stream_entries.select(&:hidden?)) if Rails.configuration.x.use_ostatus_privacy
   end
 
   private
diff --git a/app/workers/pubsubhubbub/raw_distribution_worker.rb b/app/workers/pubsubhubbub/raw_distribution_worker.rb
new file mode 100644
index 000000000..16962a623
--- /dev/null
+++ b/app/workers/pubsubhubbub/raw_distribution_worker.rb
@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+class Pubsubhubbub::RawDistributionWorker
+  include Sidekiq::Worker
+
+  sidekiq_options queue: 'push'
+
+  def perform(xml, source_account_id)
+    @account       = Account.find(source_account_id)
+    @subscriptions = active_subscriptions.to_a
+
+    Pubsubhubbub::DeliveryWorker.push_bulk(@subscriptions) do |subscription|
+      [subscription.id, xml]
+    end
+  end
+
+  private
+
+  def active_subscriptions
+    Subscription.where(account: @account).active.select('id, callback_url, domain')
+  end
+end
diff --git a/app/workers/pubsubhubbub/unsubscribe_worker.rb b/app/workers/pubsubhubbub/unsubscribe_worker.rb
new file mode 100644
index 000000000..a271715b7
--- /dev/null
+++ b/app/workers/pubsubhubbub/unsubscribe_worker.rb
@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+class Pubsubhubbub::UnsubscribeWorker
+  include Sidekiq::Worker
+
+  sidekiq_options queue: 'push', retry: false, unique: :until_executed, dead: false
+
+  def perform(account_id)
+    account = Account.find(account_id)
+    logger.debug "PuSH unsubscribing from #{account.acct}"
+    ::UnsubscribeService.new.call(account)
+  rescue ActiveRecord::RecordNotFound
+    true
+  end
+end
diff --git a/app/workers/scheduler/feed_cleanup_scheduler.rb b/app/workers/scheduler/feed_cleanup_scheduler.rb
index 402eed7c6..dbebaa2c3 100644
--- a/app/workers/scheduler/feed_cleanup_scheduler.rb
+++ b/app/workers/scheduler/feed_cleanup_scheduler.rb
@@ -5,8 +5,6 @@ class Scheduler::FeedCleanupScheduler
   include Sidekiq::Worker
 
   def perform
-    logger.info 'Cleaning out home feeds of inactive users'
-
     redis.pipelined do
       inactive_users.pluck(:account_id).each do |account_id|
         redis.del(FeedManager.instance.key(:home, account_id))
diff --git a/app/workers/scheduler/media_cleanup_scheduler.rb b/app/workers/scheduler/media_cleanup_scheduler.rb
index a95f512be..ce32ce314 100644
--- a/app/workers/scheduler/media_cleanup_scheduler.rb
+++ b/app/workers/scheduler/media_cleanup_scheduler.rb
@@ -5,7 +5,6 @@ class Scheduler::MediaCleanupScheduler
   include Sidekiq::Worker
 
   def perform
-    logger.info 'Cleaning out unattached media attachments'
     unattached_media.find_each(&:destroy)
   end
 
diff --git a/app/workers/scheduler/subscriptions_cleanup_scheduler.rb b/app/workers/scheduler/subscriptions_cleanup_scheduler.rb
new file mode 100644
index 000000000..3b9211e81
--- /dev/null
+++ b/app/workers/scheduler/subscriptions_cleanup_scheduler.rb
@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+require 'sidekiq-scheduler'
+
+class Scheduler::SubscriptionsCleanupScheduler
+  include Sidekiq::Worker
+
+  def perform
+    Subscription.expired.in_batches.delete_all
+  end
+end
diff --git a/app/workers/scheduler/subscriptions_scheduler.rb b/app/workers/scheduler/subscriptions_scheduler.rb
index 7bfd002f4..469a3d2a6 100644
--- a/app/workers/scheduler/subscriptions_scheduler.rb
+++ b/app/workers/scheduler/subscriptions_scheduler.rb
@@ -7,8 +7,6 @@ class Scheduler::SubscriptionsScheduler
   include Sidekiq::Worker
 
   def perform
-    logger.info 'Queueing PuSH re-subscriptions'
-
     Pubsubhubbub::SubscribeWorker.push_bulk(expiring_accounts.pluck(:id))
   end
 
diff --git a/config/brakeman.ignore b/config/brakeman.ignore
index f9bc77069..dbb59dd07 100644
--- a/config/brakeman.ignore
+++ b/config/brakeman.ignore
@@ -3,14 +3,33 @@
     {
       "warning_type": "Dynamic Render Path",
       "warning_code": 15,
+      "fingerprint": "44d3f14e05d8fbb5b23e13ac02f15aa38b2a2f0f03b9ba76bab7f98e155a4a4e",
+      "check_name": "Render",
+      "message": "Render path contains parameter value",
+      "file": "app/views/stream_entries/embed.html.haml",
+      "line": 3,
+      "link": "http://brakemanscanner.org/docs/warning_types/dynamic_render_path/",
+      "code": "render(action => \"stream_entries/#{Account.find_local!(params[:account_username]).statuses.find(params[:id]).stream_entry.activity_type.downcase}\", { Account.find_local!(params[:account_username]).statuses.find(params[:id]).stream_entry.activity_type.downcase.to_sym => Account.find_local!(params[:account_username]).statuses.find(params[:id]).stream_entry.activity, :centered => true })",
+      "render_path": [{"type":"controller","class":"StatusesController","method":"embed","line":35,"file":"app/controllers/statuses_controller.rb"}],
+      "location": {
+        "type": "template",
+        "template": "stream_entries/embed"
+      },
+      "user_input": "params[:id]",
+      "confidence": "Weak",
+      "note": ""
+    },
+    {
+      "warning_type": "Dynamic Render Path",
+      "warning_code": 15,
       "fingerprint": "9f31d941f3910dba2e9bfcd81aef4513249bd24c02d0f98e13ad44fdeeccd0e8",
       "check_name": "Render",
       "message": "Render path contains parameter value",
       "file": "app/views/admin/accounts/index.html.haml",
-      "line": 32,
+      "line": 63,
       "link": "http://brakemanscanner.org/docs/warning_types/dynamic_render_path/",
       "code": "render(action => filtered_accounts.page(params[:page]), {})",
-      "render_path": [{"type":"controller","class":"Admin::AccountsController","method":"index","line":7,"file":"app/controllers/admin/accounts_controller.rb"}],
+      "render_path": [{"type":"controller","class":"Admin::AccountsController","method":"index","line":10,"file":"app/controllers/admin/accounts_controller.rb"}],
       "location": {
         "type": "template",
         "template": "admin/accounts/index"
@@ -42,25 +61,6 @@
     {
       "warning_type": "Dynamic Render Path",
       "warning_code": 15,
-      "fingerprint": "c417f9d44ab05dd9cf3d5ec9df2324a5036774c151181787b32c4c940623191b",
-      "check_name": "Render",
-      "message": "Render path contains parameter value",
-      "file": "app/views/stream_entries/embed.html.haml",
-      "line": 2,
-      "link": "http://brakemanscanner.org/docs/warning_types/dynamic_render_path/",
-      "code": "render(action => Account.find_local!(params[:account_username]).stream_entries.where(:activity_type => \"Status\").find(params[:id]).activity_type.downcase, { Account.find_local!(params[:account_username]).stream_entries.where(:activity_type => \"Status\").find(params[:id]).activity_type.downcase.to_sym => Account.find_local!(params[:account_username]).stream_entries.where(:activity_type => \"Status\").find(params[:id]).activity, :centered => true })",
-      "render_path": [{"type":"controller","class":"StreamEntriesController","method":"embed","line":32,"file":"app/controllers/stream_entries_controller.rb"}],
-      "location": {
-        "type": "template",
-        "template": "stream_entries/embed"
-      },
-      "user_input": "params[:id]",
-      "confidence": "Weak",
-      "note": ""
-    },
-    {
-      "warning_type": "Dynamic Render Path",
-      "warning_code": 15,
       "fingerprint": "c5d6945d63264af106d49367228d206aa2f176699ecdce2b98fac101bc6a96cf",
       "check_name": "Render",
       "message": "Render path contains parameter value",
@@ -84,10 +84,10 @@
       "check_name": "Render",
       "message": "Render path contains parameter value",
       "file": "app/views/stream_entries/show.html.haml",
-      "line": 19,
+      "line": 23,
       "link": "http://brakemanscanner.org/docs/warning_types/dynamic_render_path/",
       "code": "render(partial => \"stream_entries/#{Account.find_local!(params[:account_username]).statuses.find(params[:id]).stream_entry.activity_type.downcase}\", { :locals => ({ Account.find_local!(params[:account_username]).statuses.find(params[:id]).stream_entry.activity_type.downcase.to_sym => Account.find_local!(params[:account_username]).statuses.find(params[:id]).stream_entry.activity, :include_threads => true }) })",
-      "render_path": [{"type":"controller","class":"StatusesController","method":"show","line":15,"file":"app/controllers/statuses_controller.rb"}],
+      "render_path": [{"type":"controller","class":"StatusesController","method":"show","line":20,"file":"app/controllers/statuses_controller.rb"}],
       "location": {
         "type": "template",
         "template": "stream_entries/show"
@@ -97,6 +97,6 @@
       "note": ""
     }
   ],
-  "updated": "2017-05-07 08:26:06 +0900",
-  "brakeman_version": "3.6.1"
+  "updated": "2017-08-30 05:14:04 +0200",
+  "brakeman_version": "3.7.2"
 }
diff --git a/config/environment.rb b/config/environment.rb
index 426333bb4..caae5f1a0 100644
--- a/config/environment.rb
+++ b/config/environment.rb
@@ -3,3 +3,5 @@ require_relative 'application'
 
 # Initialize the Rails application.
 Rails.application.initialize!
+
+ActiveRecord::SchemaDumper.ignore_tables = ['deprecated_preview_cards']
diff --git a/config/environments/development.rb b/config/environments/development.rb
index 4c60965c8..59bc2c3e2 100644
--- a/config/environments/development.rb
+++ b/config/environments/development.rb
@@ -16,9 +16,10 @@ Rails.application.configure do
   if Rails.root.join('tmp/caching-dev.txt').exist?
     config.action_controller.perform_caching = true
 
-    config.cache_store = :memory_store
+    config.cache_store = :redis_store, ENV['REDIS_URL'], REDIS_CACHE_PARAMS
+
     config.public_file_server.headers = {
-      'Cache-Control' => "public, max-age=#{2.days.seconds.to_i}"
+      'Cache-Control' => "public, max-age=#{2.days.seconds.to_i}",
     }
   else
     config.action_controller.perform_caching = false
diff --git a/config/i18n-tasks.yml b/config/i18n-tasks.yml
index 849e8116a..b51cf46df 100644
--- a/config/i18n-tasks.yml
+++ b/config/i18n-tasks.yml
@@ -36,7 +36,7 @@ ignore_missing:
   - 'activerecord.attributes.*'
   - 'activerecord.errors.*'
   - '{devise,pagination,doorkeeper}.*'
-  - '{date,datetime,time}.*'
+  - '{date,datetime,time,number}.*'
   - 'simple_form.{yes,no}'
   - 'simple_form.{placeholders,hints,labels}.*'
   - 'simple_form.{error_notification,required}.:'
@@ -50,7 +50,7 @@ ignore_unused:
   - 'activerecord.attributes.*'
   - 'activerecord.errors.*'
   - '{devise,pagination,doorkeeper}.*'
-  - '{date,datetime,time}.*'
+  - '{date,datetime,time,number}.*'
   - 'simple_form.{yes,no}'
   - 'simple_form.{placeholders,hints,labels}.*'
   - 'simple_form.{error_notification,required}.:'
diff --git a/config/initializers/devise.rb b/config/initializers/devise.rb
index e6b0e90cb..64c4e12ff 100644
--- a/config/initializers/devise.rb
+++ b/config/initializers/devise.rb
@@ -154,7 +154,7 @@ Devise.setup do |config|
   # their account can't be confirmed with the token any more.
   # Default is nil, meaning there is no restriction on how long a user can take
   # before confirming their account.
-  # config.confirm_within = 3.days
+  config.confirm_within = 2.days
 
   # If true, requires any email changes to be confirmed (exactly the same way as
   # initial account confirmation) to be applied. Requires additional unconfirmed_email
@@ -167,7 +167,7 @@ Devise.setup do |config|
 
   # ==> Configuration for :rememberable
   # The time the user will be remembered without asking for credentials again.
-  # config.remember_for = 2.weeks
+  config.remember_for = 1.year
 
   # Invalidates all the remember me tokens when the user signs out.
   config.expire_all_remember_me_on_sign_out = true
@@ -177,7 +177,7 @@ Devise.setup do |config|
 
   # Options to be passed to the created cookie. For instance, you can set
   # secure: true in order to force SSL only cookies.
-  # config.rememberable_options = {}
+  config.rememberable_options = { secure: true }
 
   # ==> Configuration for :validatable
   # Range for password length.
diff --git a/config/initializers/doorkeeper.rb b/config/initializers/doorkeeper.rb
index 056a3651a..689e2ac4a 100644
--- a/config/initializers/doorkeeper.rb
+++ b/config/initializers/doorkeeper.rb
@@ -50,7 +50,7 @@ Doorkeeper.configure do
   # Optional parameter :confirmation => true (default false) if you want to enforce ownership of
   # a registered application
   # Note: you must also run the rails g doorkeeper:application_owner generator to provide the necessary support
-  # enable_application_owner :confirmation => true
+  enable_application_owner
 
   # Define access token scopes for your provider
   # For more information go to
diff --git a/config/initializers/inflections.rb b/config/initializers/inflections.rb
index 44e54c9f3..bf0cb52a3 100644
--- a/config/initializers/inflections.rb
+++ b/config/initializers/inflections.rb
@@ -17,4 +17,5 @@ ActiveSupport::Inflector.inflections(:en) do |inflect|
   inflect.acronym 'ActivityPub'
   inflect.acronym 'PubSubHubbub'
   inflect.acronym 'ActivityStreams'
+  inflect.acronym 'JsonLd'
 end
diff --git a/config/initializers/json_ld.rb b/config/initializers/json_ld.rb
new file mode 100644
index 000000000..2ddc7352d
--- /dev/null
+++ b/config/initializers/json_ld.rb
@@ -0,0 +1,5 @@
+# frozen_string_literal: true
+
+require_relative '../../lib/json_ld/identity'
+require_relative '../../lib/json_ld/security'
+require_relative '../../lib/json_ld/activitystreams'
diff --git a/config/initializers/mime_types.rb b/config/initializers/mime_types.rb
index 30e91ad63..58a6c0063 100644
--- a/config/initializers/mime_types.rb
+++ b/config/initializers/mime_types.rb
@@ -1,4 +1,4 @@
 # Be sure to restart your server when you modify this file.
 
-Mime::Type.register 'application/json', :json, %w(text/x-json application/jsonrequest application/jrd+json application/activity+json)
+Mime::Type.register 'application/json', :json, %w(text/x-json application/jsonrequest application/jrd+json application/activity+json application/ld+json)
 Mime::Type.register 'text/xml',         :xml,  %w(application/xml application/atom+xml application/xrd+xml)
diff --git a/config/initializers/ostatus.rb b/config/initializers/ostatus.rb
index 342996dcd..a885545f8 100644
--- a/config/initializers/ostatus.rb
+++ b/config/initializers/ostatus.rb
@@ -5,7 +5,7 @@ host     = ENV.fetch('LOCAL_DOMAIN') { "localhost:#{port}" }
 web_host = ENV.fetch('WEB_DOMAIN') { host }
 https    = ENV['LOCAL_HTTPS'] == 'true'
 
-alternate_domains = ENV.fetch('ALTERNATE_DOMAINS') { "" }
+alternate_domains = ENV.fetch('ALTERNATE_DOMAINS') { '' }
 
 Rails.application.configure do
   config.x.local_domain = host
@@ -17,6 +17,7 @@ Rails.application.configure do
 
   config.action_mailer.default_url_options = { host: web_host, protocol: https ? 'https://' : 'http://', trailing_slash: false }
   config.x.streaming_api_base_url          = 'ws://localhost:4000'
+  config.x.use_ostatus_privacy             = true
 
   if Rails.env.production?
     config.x.streaming_api_base_url = ENV.fetch('STREAMING_API_BASE_URL') { "ws#{https ? 's' : ''}://#{web_host}" }
diff --git a/config/initializers/rack_attack.rb b/config/initializers/rack_attack.rb
index d5cd77b34..53cb106ca 100644
--- a/config/initializers/rack_attack.rb
+++ b/config/initializers/rack_attack.rb
@@ -33,6 +33,7 @@ class Rack::Attack
     match_data = env['rack.attack.match_data']
 
     headers = {
+      'Content-Type'          => 'application/json',
       'X-RateLimit-Limit'     => match_data[:limit].to_s,
       'X-RateLimit-Remaining' => '0',
       'X-RateLimit-Reset'     => (now + (match_data[:period] - now.to_i % match_data[:period])).iso8601(6),
diff --git a/config/locales/ca.yml b/config/locales/ca.yml
index a9f9e4c93..b6bff8288 100644
--- a/config/locales/ca.yml
+++ b/config/locales/ca.yml
@@ -5,15 +5,34 @@ ca:
     about_this: Sobre aquesta instància
     closed_registrations: Els registres estan actualment tancats en aquesta instància.
     contact: Contacte
+    contact_missing: No configurat
+    contact_unavailable: N/A
     description_headline: Què es %{domain}?
     domain_count_after: altres instàncies
     domain_count_before: Connectat a
+    extended_description_html: |
+      <h3>Un bon lloc per les regles</h3>
+      <p>Encara no s'ha configurat la descripció ampliada.</p>
+    features:
+      humane_approach_body: Aprenent dels errors d'altres xarxes, Mastodon té com a objectiu fer ètiques eleccions de disseny per combatre el mal ús de les xarxes socials.
+      humane_approach_title: Un enfocament més humà
+      not_a_product_body: Mastodon no és una xarxa comercial. Sense publicitat, sense mineria de dades, sense jardins amurallats. No hi ha autoritat central.
+      not_a_product_title: Ets una persona, no un producte
+      real_conversation_body: Amb 500 caràcters a la teva disposició i suport per a continguts granulars i avisos multimèdia, pots expressar-te de la manera que vulguis.
+      real_conversation_title: Construït per a converses reals
+      within_reach_body: Diverses aplicacions per a iOS, Android i altres plataformes gràcies a un ecosistema API amable amb el desenvolupador, et permet mantenir-te al dia amb els teus amics en qualsevol lloc..
+      within_reach_title: Sempre a l'abast
+    find_another_instance: Troba altres instàncies
+    generic_description: "%{domain} és un servidor a la xarxa"
+    hosted_on: Mastodon allotjat a %{domain}
+    learn_more: Aprèn més
     other_instances: Altres instàncies
     source_code: Codi font
     status_count_after: estats
     status_count_before: Que han escrit
     user_count_after: usuaris registrats
     user_count_before: Tenim
+    what_is_mastodon: Què és Mastodon?
   accounts:
     follow: Seguir
     followers: Seguidors
@@ -90,12 +109,14 @@ ca:
         hint: El bloqueig de domini no impedirà la creació de nous comptes en la base de dades, però s´aplicaran mètodes de moderació específics sobre aquests comptes
         severity:
           desc_html: "<strong>Silenci</strong> farà les publicacions del compte invisibles a tothom que no l'estigui seguint. Suspendre eliminarà tots els continguts, multimèdia i les dades del perfil del compte."
+          noop: Cap
           silence: Silenci
           suspend: Suspendre
         title: Nou bloqueig de domini
       reject_media: Rebutjar arxius multimèdia
       reject_media_hint: Elimina arxius multimèdia emmagatzamats localment i impideix descarregar cap en el futur. Irrellevant per suspensions
       severities:
+        noop: Cap
         silence: Silenci
         suspend: Suspendre
       severity: Severitat
@@ -146,16 +167,41 @@ ca:
         closed_message:
           desc_html: Apareix en la primera pàgina quan es tanquen els registres<br>Pot utilitzar etiquetes HTML
           title: Missatge de registre tancat
+        deletion:
+          desc_html: Permet a qualsevol esborrar el seu compte
+          title: Obrir la supressió del compte
         open:
+          desc_html: Permet que qualsevol pugui crear un compte
           title: Registre obert
       site_description:
         desc_html: Es mostra com un paràgraf a la pàgina principal i s'utilitza com una etiqueta meta.<br>Pots utilitzar etiquetes HTML, en particular <code>&lt;a&gt;</code> i <code>&lt;em&gt;</code>.
         title: Descripció del lloc
       site_description_extended:
-        desc_html: Apareix a la pàgina d'informació estesa<br>Pot utilitzar etiquetes HTML
+        desc_html: Un bon lloc per al vostre codi de conducta, regles, directrius i altres coses que distingeixen la vostra instància. Podeu utilitzar etiquetes HTML
         title: Descripció estesa del lloc
+      site_terms:
+        desc_html: Pots escriure la teva pròpia política de privadesa, els termes del servei o d'altres normes legals. Pots utilitzar etiquetes HTML
+        title: Termes del servei personalitzats
       site_title: Títol del lloc
+      timeline_preview:
+        desc_html: Mostra la línia de temps pública a la pàgina inicial
+        title: Vista prèvia de la línia de temps
       title: Configuració del lloc
+    statuses:
+      back_to_account: Torna a la pàgina del compte
+      batch:
+        delete: Esborra
+        nsfw_off: NSFW OFF
+        nsfw_on: NSFW ON
+      execute: Executa
+      failed_to_execute: No s'ha pogut executar
+      media:
+        hide: Amaga multimèdia
+        show: Mostra multimèdia
+        title: Multimèdia
+      no_media: Sense multimèdia
+      title: Estats del compte
+      with_media: Amb multimèdia
     subscriptions:
       callback_url: Callback URL
       confirmed: Confirmat
@@ -164,18 +210,25 @@ ca:
       title: WebSub
       topic: Tòpic
     title: Administració
+  admin_mailer:
+    new_report:
+      body: "%{reporter} ha informat de %{target}"
+      subject: Nou informe per a %{instance} (#%{id})
   application_mailer:
+    salutation: "%{name},"
     settings: 'Canviar preferències de correu: %{link}'
     signature: Notificacions de Mastodon desde %{instance}
     view: 'Vista:'
   applications:
     invalid_url: La URL proporcionada es incorrecte
   auth:
+    agreement_html: En inscriure't, acceptes <a href="%{rules_path}">les nostres termes del servei</a> i <a href="%{terms_path}">la nostra política de privadesa</a>.
     change_password: Canviar contrasenya
     delete_account: Esborrar el compte
     delete_account_html: Si vols esborrar el teu compte pots <a href="%{path}">fer-ho aquí</a>. S'et demanarà confirmació.
     didnt_get_confirmation: No vas rebre el correu de confirmació?
     forgot_password: Has oblidat la contrasenya?
+    invalid_reset_password_token: L'enllaç de restabliment de la contrasenya no és vàlid o caducat. Siusplau torna-ho a provar..
     login: Iniciar sessió
     logout: Tancar sessió
     register: Enregistrarse
@@ -185,6 +238,12 @@ ca:
   authorize_follow:
     error: Malauradament, ha ocorregut un error buscant el compte remot
     follow: Seguir
+    follow_request: 'Heu enviat una sol·licitud de seguiment a:'
+    following: 'Èxit! Ara segueixes:'
+    post_follow:
+      close: O bé, pots tancar aquesta finestra.
+      return: Torna al perfil de l'usuari
+      web: Anar a la web
     title: Seguir %{acct}
   datetime:
     distance_in_words:
@@ -216,7 +275,7 @@ ca:
       content: La verificació de seguretat ha fallat. Bloquejes les galetes?
       title: La verificació de seguretat ha fallat
     '429': Estrangulat
-    noscript: Per utilitzar Mastodon si us plau activa JavaScript.
+    noscript_html: Per utilitzar Mastodon si us plau activa JavaScript.
   exports:
     blocks: Persones que has bloquejat
     csv: CSV
@@ -254,7 +313,7 @@ ca:
   landing_strip_signup_html: Si no en tens, pots <a href="%{sign_up_path}">registrar-te aquí</a>.
   media_attachments:
     validations:
-      images_and_video: No es pot adjuntar un vídeo a un estat que ja contingui imatges
+      images_and_video: No es pot adjuntar un vídeo a una publicació que ja contingui imatges
       too_many: No es poden adjuntar més de 4 arxius
   notification_mailer:
     digest:
@@ -285,11 +344,64 @@ ca:
     next: Pròxim
     prev: Anterior
     truncate: "&hellip;"
+  push_notifications:
+    favourite:
+      title: "%{name} favourited your status"
+    follow:
+      title: "%{name} is now following you"
+    group:
+      title: "%{count} notifications"
+    mention:
+      action_boost: Boost
+      action_expand: Mostra més
+      action_favourite: Favorit
+      title: "%{name} t'ha mencionat"
+    reblog:
+      title: "%{name} t'ha retootejat"
   remote_follow:
     acct: Escriu el usuari@domini de la persona que vols seguir
     missing_resource: No s'ha pogut trobar la URL de redirecció necessaria per el compte.
     proceed: Procedir a seguir
     prompt: 'Seguiràs a:'
+  sessions:
+    activity: Última activitat
+    browser: Navegador
+    browsers:
+      alipay: Alipay
+      blackberry: Blackberry
+      chrome: Chrome
+      edge: Microsoft Edge
+      firefox: Firefox
+      generic: Navegador desconegut
+      ie: Internet Explorer
+      micro_messenger: MicroMessenger
+      nokia: Nokia S40 Ovi Browser
+      opera: Opera
+      phantom_js: PhantomJS
+      qq: QQ Browser
+      safari: Safari
+      uc_browser: UCBrowser
+      weibo: Weibo
+    current_session: Sessió actual
+    description: "%{browser} de %{platform}"
+    explanation: Aquests són els navegadors web que actualment han iniciat la sessió al teu compte de Mastodon.
+    ip: IP
+    platforms:
+      adobe_air: Adobe Air
+      android: Android
+      blackberry: Blackberry
+      chrome_os: ChromeOS
+      firefox_os: Firefox OS
+      ios: iOS
+      linux: Linux
+      mac: Mac
+      other: plataforma desconeguda
+      windows: Windows
+      windows_mobile: Windows Mobile
+      windows_phone: Windows Phone
+    revoke: Revoca
+    revoke_success: S'ha revocat la sessió amb èxit
+    title: Sessions
   settings:
     authorized_apps: Aplicacions autoritzades
     back: Tornar al inici
@@ -316,19 +428,24 @@ ca:
     click_to_show: Clic per mostrar
     reblogged: retooteado
     sensitive_content: Contingut sensible
+  terms:
+    body_html: "<h2>Política de privacitat</h2>\n\n<h3 id=\"collect\">Quina informació recollim?</h3>\n\n<p>Recopilem informació teva quan et registres en aquesta instància i recopilem dades quan participes en el fòrum llegint, escrivint i avaluant el contingut aquí compartit.</p>\n\n<p>En registrar-te en aquesta instància, se't pot demanar que introduexisu el teu nom i l'adreça de correu electrònic. També pots visitar el nostre lloc sense registrar-te. La teva adreça de correu electrònic es verificarà mitjançant un correu electrònic que conté un enllaç únic. Si es visita aquest enllaç, sabem que controles l'adreça de correu electrònic.</p>\n\n<p>Quan es registra i publica, registrem l'adreça IP de la qual es va originar la publicació. També podrem conservar els registres del servidor que inclouen l'adreça IP de cada sol·licitud al nostre servidor.</p>\n\n<h3 id=\"use\">Per a què utilitzem la teva informació?</h3>\n\n<p>Qualsevol de la informació que recopilem de tu pot utilitzar-se d'una de les maneres següents:</p>\n\n<ul>\n  <li>Per a personalitzar la teva experiència &mdash; la teva informació ens ajuda a respondre millor a les teves necessitats individuals.</li>\n  <li>Per millorar el nostre lloc &mdash; ens esforcem contínuament per millorar les nostres ofertes de llocs basats en la informació i els comentaris que rebem de tu.</li>\n  <li>Per millorar el servei al client &mdash; la teva informació ens ajuda a respondre més eficaçment a les teves sol·licituds de servei al client i a les necessitats de suport.</li>\n  <li>Per enviar correus electrònics periòdics &mdash; l'adreça electrònica que proporcionis es pot utilitzar per enviar-te informació, notificacions que sol·licitis sobre canvis en temes o en resposta al teu nom d'usuari, respondre a les consultes i/o altres sol·licituds o preguntes.</li>\n</ul>\n\n<h3 id=\"protect\">Com protegim la teva informació?</h3>\n\n<p>Implementem diverses mesures de seguretat per mantenir la seguretat de la teva informació personal quan introdueixes, envies o accedeixes a la teva informació personal.</p>\n\n<h3 id=\"data-retention\">Quina és la nostre política de retenció de dades?</h3>\n\n<p>Farem un esforç de bona fe per a:</p>\n\n<ul>\n  <li>Conserva els registres de servidor que continguin l'adreça IP de totes les sol·licituds a aquest servidor no més de 90 dies.</li>\n  <li>Conserva les adreces IP associades als usuaris registrats i les seves publicacions no més de 5 anys.</li>\n</ul>\n\n<h3 id=\"cookies\">Utilitzem galetes?</h3>\n\n<p>Sí. Les cookies són fitxers petits que un lloc o el proveïdor de serveis transfereix al disc dur del vostre ordinador a través del navegador web (si ho permet). Aquestes galetes permeten al lloc reconèixer el vostre navegador i, si teniu un compte registrat, associar-lo al vostre compte registrat.</p>\n\n<p>Utilitzem cookies per comprendre i desar les vostres preferències per a futures visites i compilar dades agregades sobre el trànsit del lloc i la interacció del lloc, de manera que podrem oferir millors experiències i eines del lloc en el futur. Podem contractar amb proveïdors de serveis de tercers per ajudar-nos a comprendre millor els visitants del nostre lloc. Aquests proveïdors de serveis no estan autoritzats a utilitzar la informació recollida en nom nostre, excepte per ajudar-nos a dur a terme i millorar el nostre negoci.</p>\n\n<h3 id=\"disclose\">Publiquem informació al exterior?</h3>\n\n<p>No venem, comercialitzem ni transmetem a tercers la vostra informació d'identificació personal. Això no inclou tercers de confiança que ens ajudin a operar el nostre lloc, a dur a terme el nostre negoci o a fer-ho, sempre que aquestes parts acceptin mantenir confidencial aquesta informació. També podem publicar la vostra informació quan creiem que l'alliberament és apropiat per complir amb la llei, fer complir les polítiques del nostre lloc o protegir els nostres drets o altres drets, propietat o seguretat. No obstant això, la informació de visitant que no sigui personalment identificable es pot proporcionar a altres parts per a la comercialització, la publicitat o altres usos.</p>  \n\n<h3 id=\"third-party\">Vincles de tercers</h3>\n\n<p>De tant en tant, segons el nostre criteri, podem incloure o oferir productes o serveis de tercers al nostre lloc. Aquests llocs de tercers tenen polítiques de privadesa separades i independents. Per tant, no tenim responsabilitat ni responsabilitat civil pel contingut i les activitats d'aquests llocs enllaçats. No obstant això, busquem protegir la integritat del nostre lloc i donem la benvinguda a qualsevol comentari sobre aquests llocs.</p>\n\n<h3 id=\"coppa\">Compliment de la Llei de protecció de la privacitat en línia dels nens</h3>\n\n<p>El nostre lloc, productes i serveis estan dirigits a persones que tenen almenys 13 anys. Si aquest servidor es troba als EUA, i teniu menys de 13 anys, segons els requisits de COPPA (<a href=\"https://en.wikipedia.org/wiki/Children%27s_Online_Privacy_Protection_Act\">Children's Online Privacy Protection Act</a>) no feu servir aquest lloc.</p>\n\n<h3 id=\"online\">Només la política de privacitat en línia</h3>\n\n<p>Aquesta política de privacitat en línia només s'aplica a la informació recopilada a través del nostre lloc i no a la informació recopilada fora de línia.</p>\n\n<h3 id=\"consent\">El vostre consentiment</h3>\n\n<p>En utilitzar el nostre lloc, accepta la política de privadesa del nostre lloc web.</p>\n\n<h3 id=\"changes\">Canvis a la nostra política de privacitat</h3>\n\n<p>Si decidim canviar la nostra política de privadesa, publicarem aquests canvis en aquesta pàgina.</p>\n\n<p>Aquest document és CC-BY-SA. Es va actualitzar per última vegada el 31 de maig de 2013.</p>\n\n<p>Originalment adaptat a la <a href=\"https://github.com/discourse/discourse\">política de privadesa del Discurs</a>.</p>\n"
+    title: "%{instance} Condicions del servei i política de privadesa"
   time:
     formats:
       default: "%b %d, %Y, %H:%M"
   two_factor_authentication:
     code_hint: Introdueix el codi generat per l'aplicació autenticadora per a confirmar
     description_html: Si habilites la <strong>autenticació de dos factors</strong>, et caldrà tenir el teu telèfon, que generarà tokens per a que puguis iniciar sessió.
-    disable: Deshabilitar
+    disable: Deshabilitarr
     enable: Habilitar
+    enabled: Two-factor authentication is enabled
     enabled_success: Autenticació de dos factors activada amb èxit
     generate_recovery_codes: Generar codis de recuperació
     instructions_html: "<strong>Escaneja aquest codi QR desde Google Authenticator o una aplicació similar del teu telèfon</strong>. Desde ara, aquesta aplicació generarà tokens que tens que ingresar quan volguis iniciar sessió."
     lost_recovery_codes: Els codis de recuperació et permeten recuperar l'accés al teu compte si perds el telèfon. Si has perdut els teus codis de recuperació els pots regenerar aquí. Els codis de recuperació anteriors seran anul·lats.
     manual_instructions: 'Si no pots escanejar el codi QR code i necessites introduir-lo manualment, aquí tens el secret en text plà:'
+    recovery_codes: Backup recovery codes
     recovery_codes_regenerated: Codis de recuperació regenerats amb èxit
     recovery_instructions_html: Si alguna vegada perds l'accéss al telèfon pots utilitzar un dels codis de recuperació a continuació per recuperar l'accés al teu compte. Cal mantenir els codis de recuperació en lloc segur, per exemple imprimint-los i guardar-los amb altres documents importants.
     setup: Establir
@@ -336,3 +453,4 @@ ca:
   users:
     invalid_email: La direcció de correu es incorrecte
     invalid_otp_token: Codi de dos factors incorrecte
+    signed_in_as: 'Sessió iniciada com a:'
diff --git a/config/locales/devise.oc.yml b/config/locales/devise.oc.yml
index 77740f230..99e62a10e 100644
--- a/config/locales/devise.oc.yml
+++ b/config/locales/devise.oc.yml
@@ -19,11 +19,11 @@ oc:
       confirmation_instructions:
         subject: "Mercés de confirmar vòstra inscripcion sus %{instance}"
       password_change:
-        subject: 'Mastodon : senhal cambiat'
+        subject: 'Mastodon : senhal cambiat'
       reset_password_instructions:
-        subject: 'Mastodon : instruccions per reïnicializar lo senhal'
+        subject: 'Mastodon : instruccions per reïnicializar lo senhal'
       unlock_instructions:
-        subject: 'Mastodon : instuccions de desblocatge'
+        subject: 'Mastodon : instuccions de desblocatge'
     omniauth_callbacks:
       failure: Fracàs al moment de vos autentificar de %{kind} perque "%{reason}".
       success: Sètz ben autentificat dempuèi lo compte %{kind}.
@@ -34,8 +34,8 @@ oc:
       updated: Vòstre senhal es ben estat cambiat. Sètz ara connectat.
       updated_not_active: Vòstre senhal es ben estat cambiat.
     registrations:
-      destroyed: Adiu ! Vòstra inscripcion es estada anullada amb succès. Esperem vos tornar veire lèu.
-      signed_up: La benvenguda ! Sètz ben marcat al malhum.
+      destroyed: Adiu ! Vòstra inscripcion es estada anullada amb succès. Esperem vos tornar veire lèu.
+      signed_up: La benvenguda ! Sètz ben marcat al malhum.
       signed_up_but_inactive: Sètz ben marcat. Pasmens, avèm pas pogut vos connectar perque vòstre compte es pas encara validat.
       signed_up_but_locked: Sètz ben marcat. Pasmens, avèm pas pogut vos connectar perque vòstre compte es pas encara blocat.
       signed_up_but_unconfirmed: Un messatge amb un ligam de confirmacion es estat enviat a vòstra adreça de corrièl. Clicatz sul ligam per activar vòstre compte. Mercés de verificar tanben vòstre dorsièr de corrièls indesirables.
@@ -57,5 +57,5 @@ oc:
       not_found: pas trobat
       not_locked: èra pas blocat
       not_saved:
-        one: '1 error defend aquesta %{resource} d’èsser salvagardada :'
-        other: "%{count} errors defendon aquesta %{resource} d’èsser salvagardadas :"
+        one: '1 error defend aquesta %{resource} d’èsser salvagardada :'
+        other: "%{count} errors defendon aquesta %{resource} d’èsser salvagardadas :"
diff --git a/config/locales/doorkeeper.en.yml b/config/locales/doorkeeper.en.yml
index 6412b8b48..efbd81d43 100644
--- a/config/locales/doorkeeper.en.yml
+++ b/config/locales/doorkeeper.en.yml
@@ -3,8 +3,10 @@ en:
   activerecord:
     attributes:
       doorkeeper/application:
-        name: Name
+        name: Application name
         redirect_uri: Redirect URI
+        scopes: Scopes
+        website: Application website
     errors:
       models:
         doorkeeper/application:
@@ -33,18 +35,22 @@ en:
         redirect_uri: Use one line per URI
         scopes: Separate scopes with spaces. Leave blank to use the default scopes.
       index:
+        application: Application
         callback_url: Callback URL
+        delete: Delete
         name: Name
-        new: New Application
+        new: New application
+        scopes: Scopes
+        show: Show
         title: Your applications
       new:
-        title: New Application
+        title: New application
       show:
         actions: Actions
-        application_id: Application Id
-        callback_urls: Callback urls
+        application_id: Client key
+        callback_urls: Callback URLs
         scopes: Scopes
-        secret: Secret
+        secret: Client secret
         title: 'Application: %{name}'
     authorizations:
       buttons:
diff --git a/config/locales/doorkeeper.fr.yml b/config/locales/doorkeeper.fr.yml
index 0e74532c1..487018209 100644
--- a/config/locales/doorkeeper.fr.yml
+++ b/config/locales/doorkeeper.fr.yml
@@ -1,28 +1,14 @@
 ---
 fr:
-  activemodel:
-    errors:
-      models:
-        remote_follow:
-          attributes:
-            acct:
-              blank: Le nom d’utilisateur ne doit pas être vide
   activerecord:
     attributes:
       doorkeeper/application:
         name: Nom
         redirect_uri: L’URL de redirection
+        scope: Portée
+        website: Site Web de l'application
     errors:
-      messages:
-        record_invalid: Données invalides
       models:
-        account:
-          attributes:
-            note:
-              too_long: Description trop longue
-            username:
-              blank: Identifiant vide
-              taken: Identifiant déjà pris
         doorkeeper/application:
           attributes:
             redirect_uri:
@@ -30,17 +16,6 @@ fr:
               invalid_uri: doit être une URL valide.
               relative_uri: doit être une URL absolue.
               secured_uri: doit être une URL HTTP/SSL.
-        user:
-          attributes:
-            email:
-              blank: Courriel vide
-              invalid: Courriel invalide
-              taken: Courriel pris
-            password:
-              blank: Mot de passe vide
-              too_short: Mot de passe trop court
-            password_confirmation:
-              confirmation: Le mot de passe ne correspond pas
   doorkeeper:
     applications:
       buttons:
diff --git a/config/locales/doorkeeper.ja.yml b/config/locales/doorkeeper.ja.yml
index d3ea93789..9e3b72761 100644
--- a/config/locales/doorkeeper.ja.yml
+++ b/config/locales/doorkeeper.ja.yml
@@ -3,8 +3,10 @@ ja:
   activerecord:
     attributes:
       doorkeeper/application:
-        name: 名前
+        name: アプリの名前
         redirect_uri: リダイレクトURI
+        scopes: アクセス権
+        website: アプリのウェブサイト
     errors:
       models:
         doorkeeper/application:
@@ -33,18 +35,22 @@ ja:
         redirect_uri: 一行に一つのURLを入力してください
         scopes: アクセス権は半角スペースで区切ることができます。 空白のままにするとデフォルトを使用します。
       index:
+        application: アプリ
         callback_url: コールバックURL
+        delete: 削除
         name: 名前
         new: 新規アプリ
+        scopes: アクセス権
+        show: 見る
         title: アプリ
       new:
         title: 新規アプリ
       show:
         actions: アクション
-        application_id: アクションId
-        callback_urls: コールバックurl
+        application_id: クライアントキー
+        callback_urls: コールバックURL
         scopes: アクセス権
-        secret: 非公開
+        secret: クライアントシークレット
         title: 'アプリ: %{name}'
     authorizations:
       buttons:
diff --git a/config/locales/doorkeeper.oc.yml b/config/locales/doorkeeper.oc.yml
index 9f5d3fe55..3d12c9588 100644
--- a/config/locales/doorkeeper.oc.yml
+++ b/config/locales/doorkeeper.oc.yml
@@ -23,11 +23,11 @@ oc:
         edit: Modificar
         submit: Mandar
       confirmations:
-        destroy: Sètz segur ?
+        destroy: Sètz segur ?
       edit:
         title: Modificar l’aplicacion
       form:
-        error: Ops ! Verificatz vòstre formulari
+        error: Ops ! Verificatz vòstre formulari
       help:
         native_redirect_uri: Emplegatz %{native_redirect_uri} per d’ensages locales
         redirect_uri: Utilizatz una linha per URI
@@ -45,7 +45,7 @@ oc:
         callback_urls: urls de rapèls
         scopes: Encastres
         secret: Secret
-        title: 'Aplicacion : %{name}'
+        title: 'Aplicacion : %{name}'
     authorizations:
       buttons:
         authorize: Autorizar
@@ -62,7 +62,7 @@ oc:
       buttons:
         revoke: Revocar
       confirmations:
-        revoke: Ne sètz segur ?
+        revoke: Ne sètz segur ?
       index:
         application: Aplicacion
         created_at: Creada lo
diff --git a/config/locales/doorkeeper.pl.yml b/config/locales/doorkeeper.pl.yml
index 72b967e35..ee3f4cad8 100644
--- a/config/locales/doorkeeper.pl.yml
+++ b/config/locales/doorkeeper.pl.yml
@@ -3,8 +3,10 @@ pl:
   activerecord:
     attributes:
       doorkeeper/application:
-        name: Nazwa
+        name: Nazwa aplikacji
         redirect_uri: URI przekierowania
+        scopes: Zakres
+        website: Strona aplikacji
     errors:
       models:
         doorkeeper/application:
@@ -33,9 +35,13 @@ pl:
         redirect_uri: Jeden adres na linię tekstu
         scopes: Rozdziel zakresy (scopes) spacjami. Zostaw puste, aby użyć domyślnych zakresów.
       index:
+        application: Aplikacja
         callback_url: URL wywołania zwrotnego (callback)
+        delete: Usuń
         name: Nazwa
         new: Nowa aplikacja
+        scopes: Zakres
+        show: Pokaż
         title: Twoje aplikacje
       new:
         title: Nowa aplikacja
@@ -72,7 +78,7 @@ pl:
     errors:
       messages:
         access_denied: Właściciel zasobu lub serwer autoryzujący odrzuciły żądanie.
-        credential_flow_not_configured: Ścieżka "Resource Owner Password Credentials" zakończyła się błędem, ponieważ Doorkeeper.configure.resource_owner_from_credentials nie jest skonfigurowany.
+        credential_flow_not_configured: Ścieżka "Resource Owner Password Credentials" zakończyła się błędem, ponieważ Doorkeeper.configure.resource_owner_from_credentials nie został skonfigurowany.
         invalid_client: Autoryzacja klienta nie powiodła się z powodu nieznanego klienta, braku uwierzytelnienia klienta, lub niewspieranej metody uwierzytelniania.
         invalid_grant: Grant uwierzytelnienia jest niepoprawny, przeterminowany, unieważniony, nie pasuje do URI przekierowwania użytego w żądaniu uwierzytelnienia, lub został wystawiony przez innego klienta.
         invalid_redirect_uri: URI przekierowania jest nieprawidłowy.
@@ -83,8 +89,8 @@ pl:
           expired: Token dostępowy wygasł
           revoked: Token dostępowy został unieważniony
           unknown: Token dostępowy jest błędny
-        resource_owner_authenticator_not_configured: Wyszukiwanie właściciela zasobu nie powiodło się, ponieważ Doorkeeper.configure.resource_owner_authenticator jest nieskonfigurowany.
-        server_error: Serwer uwierzytelniający napotkał niespodziewane warunki, które uniemożliwiły obsłużenie żądania.
+        resource_owner_authenticator_not_configured: Wyszukiwanie właściciela zasobu nie powiodło się, ponieważ Doorkeeper.configure.resource_owner_authenticator nie został skonfigurowany.
+        server_error: Serwer uwierzytelniający napotkał nieoczekiwand warunki, które uniemożliwiły obsłużenie żądania.
         temporarily_unavailable: Serwer uwierzytelniający nie jest obecnie w stanie obsłużyć żądania z powodu tymczasowego przeciążenia lub prac konserwacyjnych.
         unauthorized_client: Klient nie jest uprawniony do wykonania tego żądania przy pomocy tej metody.
         unsupported_grant_type: Ten typ grantu uwierzytelniającego nie jest wspierany przez serwer uwierzytelniający.
@@ -92,14 +98,14 @@ pl:
     flash:
       applications:
         create:
-          notice: Aplikacja utworzona.
+          notice: Utworzono aplikację.
         destroy:
-          notice: Aplikacja usunięta.
+          notice: Usunięto aplikację.
         update:
-          notice: Aplikacja zaktualizowana.
+          notice: Zaktualizowano aplikację.
       authorized_applications:
         destroy:
-          notice: Aplikacja unieważniona.
+          notice: Unieważniono aplikację.
     layouts:
       admin:
         nav:
@@ -110,4 +116,4 @@ pl:
     scopes:
       follow: śledzenie, blokowanie, usuwanie blokady, anulowanie śledzenia kont
       read: dostęp do odczytu danych konta
-      write: publikowanie postów w Twoim imieniu
+      write: publikowanie wpisów w Twoim imieniu
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 1fa0de90b..4160745f8 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -37,12 +37,16 @@ en:
     follow: Follow
     followers: Followers
     following: Following
+    media: Media
     nothing_here: There is nothing here!
     people_followed_by: People whom %{name} follows
     people_who_follow: People who follow %{name}
-    posts: Posts
+    posts: Toots
+    posts_with_replies: Toots with replies
     remote_follow: Remote follow
     reserved_username: The username is reserved
+    roles:
+      admin: Admin
     unfollow: Unfollow
   admin:
     accounts:
@@ -57,6 +61,7 @@ en:
       feed_url: Feed URL
       followers: Followers
       follows: Follows
+      inbox_url: Inbox URL
       ip: IP
       location:
         all: All
@@ -76,8 +81,10 @@ en:
         alphabetic: Alphabetic
         most_recent: Most recent
         title: Order
+      outbox_url: Outbox URL
       perform_full_suspension: Perform full suspension
       profile_url: Profile URL
+      protocol: Protocol
       public: Public
       push_subscription_expires: PuSH subscription expires
       redownload: Refresh avatar
@@ -220,7 +227,13 @@ en:
     signature: Mastodon notifications from %{instance}
     view: 'View:'
   applications:
+    created: Application successfully created
+    destroyed: Application successfully deleted
     invalid_url: The provided URL is invalid
+    regenerate_token: Regenerate access token
+    token_regenerated: Access token successfully regenerated
+    warning: Be very careful with this data. Never share it with anyone!
+    your_token: Your access token
   auth:
     agreement_html: By signing up you agree to <a href="%{rules_path}">our terms of service</a> and <a href="%{terms_path}">privacy policy</a>.
     change_password: Security
@@ -275,7 +288,7 @@ en:
       content: Security verification failed. Are you blocking cookies?
       title: Security verification failed
     '429': Throttled
-    noscript: To use the Mastodon web application, please enable JavaScript. Alternatively, find a native app for Mastodon for your platform.
+    noscript_html: To use the Mastodon web application, please enable JavaScript. Alternatively, try one of the <a href="https://github.com/tootsuite/documentation/blob/master/Using-Mastodon/Apps.md">native apps</a> for Mastodon for your platform.
   exports:
     blocks: You block
     csv: CSV
@@ -340,6 +353,17 @@ en:
     reblog:
       body: 'Your status was boosted by %{name}:'
       subject: "%{name} boosted your status"
+  number:
+    human:
+      decimal_units:
+        format: "%n%u"
+        units:
+          billion: B
+          million: M
+          quadrillion: Q
+          thousand: K
+          trillion: T
+          unit: ''
   pagination:
     next: Next
     prev: Prev
@@ -358,9 +382,6 @@ en:
       title: "%{name} mentioned you"
     reblog:
       title: "%{name} boosted your status"
-    subscribed:
-      body: You can now receive push notifications.
-      title: Subscription registered!
   remote_follow:
     acct: Enter your username@domain you want to follow from
     missing_resource: Could not find the required redirect URL for your account
@@ -409,6 +430,7 @@ en:
     authorized_apps: Authorized apps
     back: Back to Mastodon
     delete: Account deletion
+    development: Development
     edit_profile: Edit profile
     export: Data export
     followers: Authorized followers
@@ -416,9 +438,14 @@ en:
     preferences: Preferences
     settings: Settings
     two_factor_authentication: Two-factor Authentication
+    your_apps: Your applications
   statuses:
     open_in_web: Open in web
     over_character_limit: character limit of %{max} exceeded
+    pin_errors:
+      ownership: Someone else's toot cannot be pinned
+      private: Non-public toot cannot be pinned
+      reblog: A boost cannot be pinned
     show_more: Show more
     visibilities:
       private: Followers-only
@@ -429,6 +456,7 @@ en:
       unlisted_long: Everyone can see, but not listed on public timelines
   stream_entries:
     click_to_show: Click to show
+    pinned: Pinned toot
     reblogged: boosted
     sensitive_content: Sensitive content
   terms:
diff --git a/config/locales/fa.yml b/config/locales/fa.yml
index 0c575e23e..08ffb4484 100644
--- a/config/locales/fa.yml
+++ b/config/locales/fa.yml
@@ -274,7 +274,7 @@ fa:
       content: تأیید امنیتی انجام نشد. آیا مرورگر شما کوکی‌ها را مسدود می‌کند؟
       title: تأیید امنیتی شکست خورد
     '429': درخواست‌های بیش از حد
-    noscript: برای استفاده از نسخهٔ تحت وب ماستدون، لطفاً جاوااسکریپت را فعال کنید. یا به جایش می‌توانید یک اپ ماستدون را به‌کار ببرید.
+    noscript_html: برای استفاده از نسخهٔ تحت وب ماستدون، لطفاً جاوااسکریپت را فعال کنید. یا به جایش می‌توانید یک اپ ماستدون را به‌کار ببرید.
   exports:
     blocks: حساب‌های مسدودشده
     csv: CSV
@@ -357,9 +357,6 @@ fa:
       title: "%{name} از شما نام برد"
     reblog:
       title: "%{name} نوشتهٔ شما را بازبوقید"
-    subscribed:
-      body: از این به بعد سرور می‌تواندبه شما اعلان‌های تازه بفرستد .
-      title: عضویت ثبت شد!
   remote_follow:
     acct: نشانی حساب username@domain خود را این‌جا بنویسید
     missing_resource: نشانی اینترنتی برای رسیدن به حساب شما پیدا نشد
diff --git a/config/locales/fr.yml b/config/locales/fr.yml
index d7aa41497..8029d8bd5 100644
--- a/config/locales/fr.yml
+++ b/config/locales/fr.yml
@@ -5,9 +5,14 @@ fr:
     about_this: À propos
     closed_registrations: Les inscriptions sont actuellement fermées sur cette instance. Cependant, vous pouvez trouver une autre instance sur laquelle vous créer un compte et à partir de laquelle vous pourrez accéder au même réseau.
     contact: Contact
+    contact_missing: Manquant
+    contact_unavailable: Non disponible
     description_headline: Qu’est-ce que %{domain} ?
     domain_count_after: autres instances
     domain_count_before: Connectés à
+    extended_description_html: |
+      <h3>Un bon endroit pour les règles</h3>
+      <p>La description étendue n'a pas été remplie.</p>
     features:
       humane_approach_body: Ayant appris des échecs d’autres réseaux, Mastodon à l’ambition de combattre l’abus des médias sociaux en effectuant des choix de conception éthiques.
       humane_approach_title: Une approche plus humaine
@@ -23,7 +28,7 @@ fr:
     learn_more: En savoir plus
     other_instances: Liste des instances
     source_code: Code source
-    status_count_after: posts
+    status_count_after: statuts
     status_count_before: Ayant publié
     user_count_after: utilisateur⋅ice⋅s
     user_count_before: Abrite
@@ -32,12 +37,16 @@ fr:
     follow: Suivre
     followers: Abonné⋅es
     following: Abonnements
+    media: Médias
     nothing_here: Rien à voir ici !
     people_followed_by: Personnes suivies par %{name}
     people_who_follow: Personnes qui suivent %{name}
     posts: Statuts
+    posts_with_replies: Statuts & réponses
     remote_follow: Suivre à distance
     reserved_username: Ce nom d’utilisateur⋅ice est réservé
+    roles:
+      admin: Admin
     unfollow: Ne plus suivre
   admin:
     accounts:
@@ -52,6 +61,7 @@ fr:
       feed_url: URL du flux
       followers: Abonné⋅es
       follows: Abonnements
+      inbox_url: URL d'entrée
       ip: Adresse IP
       location:
         all: Tous
@@ -71,8 +81,10 @@ fr:
         alphabetic: Alphabétique
         most_recent: Plus récent
         title: Tri
+      outbox_url: URL de sortie
       perform_full_suspension: Effectuer une suspension complète
       profile_url: URL du profil
+      protocol: Protocole
       public: Public
       push_subscription_expires: Expiration de l’abonnement PuSH
       redownload: Rafraîchir les avatars
@@ -104,12 +116,14 @@ fr:
         hint: Le blocage de domaine n’empêchera pas la création de comptes dans la base de données, mais il appliquera automatiquement et rétrospectivement des méthodes de modération spécifiques sur ces comptes.
         severity:
           desc_html: "<strong>Silence</strong> rendra les messages des comptes concernés invisibles à ceux qui ne les suivent pas. <strong>Suspend</strong> supprimera tout le contenu des comptes concernés, les médias, et les données du profil."
+          noop: Aucune
           silence: Masqué
           suspend: Suspendre
         title: Nouveau blocage de domaine
       reject_media: Fichiers média rejetés
       reject_media_hint: Supprime localement les fichiers média stockés et refuse d’en télécharger ultérieurement. Ne concerne pas les suspensions.
       severities:
+        noop: Aucune
         silence: Masquer
         suspend: Suspendre
       severity: Séverité
@@ -187,7 +201,7 @@ fr:
         nsfw_off: NSFW OFF
         nsfw_on: NSFW ON
       execute: Exécuter
-      failed_to_execute: Erreur d'exécution
+      failed_to_execute: Erreur d’exécution
       media:
         hide: Masquer les médias
         show: Montrer les médias
@@ -212,12 +226,18 @@ fr:
     signature: Notifications de Mastodon depuis %{instance}
     view: 'Voir :'
   applications:
+    created: Application créée avec succès
+    destroyed: Application supprimée avec succès
     invalid_url: L’URL fournie est invalide
+    regenerate_token: Regénérer le jeton d'accès
+    token_regenerated: Jeton d'accès regénéré avec succès
+    warning: Soyez prudent⋅e avec ces données. Ne les partagez pas !
+    your_token: Votre jeton d'accès
   auth:
     agreement_html: En vous inscrivant, vous souscrivez à <a href="%{rules_path}">nos conditions d’utilisation</a> ainsi qu’à <a href="%{terms_path}">notre politique de confidentialité</a>.
     change_password: Sécurité
     delete_account: Supprimer le compte
-    delete_account_html: Si vous désirez supprimer votre compte, vous pouvez cliquer ici. Il vous sera demandé de confirmer cette action.
+    delete_account_html: Si vous désirez supprimer votre compte, vous pouvez <a href="%{path}">cliquer ici</a>. Il vous sera demandé de confirmer cette action.
     didnt_get_confirmation: Vous n’avez pas reçu les consignes de confirmation ?
     forgot_password: Mot de passe oublié ?
     invalid_reset_password_token: Le lien de réinitialisation du mot de passe est invalide ou a expiré. Merci de réessayer.
@@ -231,11 +251,11 @@ fr:
     error: Malheureusement, il y a eu une erreur en cherchant les détails du compte distant
     follow: Suivre
     follow_request: 'Vous avez demandé à suivre:'
-    following: 'Youpi! Vous suivez :'
+    following: 'Youpi ! Vous suivez :'
     post_follow:
       close: Ou bien, vous pouvez fermer cette fenêtre.
-      return: Retour au profil de l'utilisateur⋅trice
-      web: Retour à l'interface web
+      return: Retour au profil de l’utilisateur⋅trice
+      web: Retour à l’interface web
     title: Suivre %{acct}
   datetime:
     distance_in_words:
@@ -273,7 +293,7 @@ fr:
       content: Vérification de sécurité échouée. Bloquez-vous les cookies ?
       title: Vérification de sécurité échouée
     '429': Trop de requêtes émises dans un délai donné.
-    noscript: Pour utiliser Mastodon, veuillez activer JavaScript
+    noscript_html: Pour utiliser Mastodon, veuillez activer JavaScript
   exports:
     blocks: Vous bloquez
     csv: CSV
@@ -282,7 +302,7 @@ fr:
     storage: Médias stockés
   followers:
     domain: Domaine
-    explanation_html: Si vous voulez être sûr⋅e que vos status restent privés, vous devez savoir qui vous suit. <strong>Vos status privés seront diffusés à toutes les instances des utilisateur⋅ice⋅s qui vous suivent</strong>. Vous voudrez peut-être les passer en revue et les supprimer si vous n’êtes pas sûr⋅e que votre vie privée sera respectée par l’administration ou le logiciel de ces instances.
+    explanation_html: Si vous voulez être sûr⋅e que vos statuts restent privés, vous devez savoir qui vous suit. <strong>Vos statuts privés seront diffusés à toutes les instances des utilisateur⋅ice⋅s qui vous suivent</strong>. Vous voudrez peut-être les passer en revue et les supprimer si vous n’êtes pas sûr⋅e que votre vie privée sera respectée par l’administration ou le logiciel de ces instances.
     followers_count: Nombre d’abonné⋅es
     lock_link: Rendez votre compte privé
     purge: Retirer de la liste d’abonné⋅es
@@ -290,7 +310,7 @@ fr:
       one: Suppression des abonné⋅es venant d’un domaine en cours…
       other: Suppression des abonné⋅es venant de %{count} domaines en cours…
     true_privacy_html: Soyez conscient⋅es <strong>qu’une vraie confidentialité ne peut être atteinte que par un chiffrement de bout-en-bout</strong>.
-    unlocked_warning_html: N’importe qui peut vous suivre et voir vos status privés. %{lock_link} afin de pouvoir vérifier et rejeter des abonné⋅es.
+    unlocked_warning_html: N’importe qui peut vous suivre et voir vos statuts privés. %{lock_link} afin de pouvoir vérifier et rejeter des abonné⋅es.
     unlocked_warning_title: Votre compte n’est pas privé
   generic:
     changes_saved_msg: Les modifications ont été enregistrées avec succès !
@@ -311,7 +331,7 @@ fr:
   landing_strip_signup_html: Si ce n’est pas le cas, vous pouvez <a href="%{sign_up_path}">en créer un ici</a>.
   media_attachments:
     validations:
-      images_and_video: Impossible de joindre une vidéo à un status contenant déjà des images
+      images_and_video: Impossible de joindre une vidéo à un statut contenant déjà des images
       too_many: Impossible de joindre plus de 4 fichiers
   notification_mailer:
     digest:
@@ -334,30 +354,29 @@ fr:
       subject: 'Abonné⋅es en attente : %{name}'
     mention:
       body: "%{name} vous a mentionné⋅e dans :"
-      subject: "%{name} vous a mentionné"
+      subject: "%{name} vous a mentionné·e"
     reblog:
-      body: "%{name} a partagé votre status :"
-      subject: "%{name} a partagé votre status"
+      body: "%{name} a partagé votre statut :"
+      subject: "%{name} a partagé votre statut"
   pagination:
     next: Suivant
     prev: Précédent
   push_notifications:
     favourite:
-      title: "%{name} à mis votre status en favori"
+      title: "%{name} à mis votre statut en favori"
     follow:
       title: "%{name} vous suit"
+    group:
+      title: "%{count} notifications"
     mention:
       action_boost: Partager
       action_expand: Montrer plus
       action_favourite: Ajouter aux favoris
-      title: "%{name} vous a mentionné"
+      title: "%{name} vous a mentionné·e"
     reblog:
-      title: "%{name} a partagé⋅e votre status"
-    subscribed:
-      body: Vous pouvez désormais recevoir des notifications push.
-      title: Abonnements aux notifications push
+      title: "%{name} a partagé⋅e votre statut"
   remote_follow:
-    acct: Entrez votre pseudo@instance depuis lequel vous voulez suivre ce⋅tte utilisateur⋅trice
+    acct: Entrez votre pseudo@instance depuis lequel vous voulez suivre ce⋅tte utilisateur⋅rice
     missing_resource: L’URL de redirection n’a pas pu être trouvée
     proceed: Continuez pour suivre
     prompt: 'Vous allez suivre :'
@@ -404,6 +423,7 @@ fr:
     authorized_apps: Applications autorisées
     back: Retour vers Mastodon
     delete: Suppression de compte
+    development: Développement
     edit_profile: Modifier le profil
     export: Export de données
     followers: Abonné⋅es autorisé⋅es
@@ -411,24 +431,30 @@ fr:
     preferences: Préférences
     settings: Réglages
     two_factor_authentication: Identification à deux facteurs
+    your_apps: Vos applications
   statuses:
     open_in_web: Ouvrir sur le web
     over_character_limit: limite de caractères dépassée de %{max} caractères
+    pin_errors:
+      ownership: Vous ne pouvez pas épingler un statut ne vous appartenant pas
+      private: Les statuts non-publics ne peuvent pas être épinglés
+      reblog: Un partage ne peut pas être épinglé
     show_more: Afficher plus
     visibilities:
       private: Abonné⋅es uniquement
-      private_long: Seul⋅es vos abonné⋅es verront vos status
+      private_long: Seul⋅es vos abonné⋅es verront vos statuts
       public: Public
-      public_long: Tout le monde peut voir vos status
+      public_long: Tout le monde peut voir vos statuts
       unlisted: Public sans être affiché sur le fil public
-      unlisted_long: Tout le monde peut voir vos status mais ils ne seront pas sur listés sur les fils publics
+      unlisted_long: Tout le monde peut voir vos statuts mais ils ne seront pas sur listés sur les fils publics
   stream_entries:
     click_to_show: Cliquer pour afficher
+    pinned: Statut épinglé
     reblogged: partagé
     sensitive_content: Contenu sensible
   terms:
-    body_html: "<h2>Politique de confidentialité</h2>\n\n<h3 id=\"collect\">Quelles données collectons-nous?</h3>\n\n<p>Nous collectons des données lorsque vous vous enregistrez sur notre site et les récoltons lorsque vous participez dans le forum en lisant, écrivant, et évaluant le contenu partagé ici.</p>\n\n<p>Lors de l'enregistrement sur notre site, il peut vous être demandé de renseigner votre nom et adresse e-mail. Vous pouvez, cependant, visiter notre site sans inscription. Votre adresse e-mail devra être vérifiée grâce à un e-mail contenant un lien unique. Si ce lien est visité, nous savons que vous contrôlez cette adresse e-mail.</p>\n\n<p>Lors de l'inscription et de la publication de statuts, nous enregistrons l'adresse IP de laquelle le(s) status viennent. Nous pouvons également conserver des historiques serveurs qui contiendront l'adresse IP de chaque requête adressée à notre serveur.</p>\n\n<h3 id=\"use\">Que faisons-nous avec vos données?</h3>\n\n<p>Toute information que nous collectons pourra être utilisée d'une des manières suivantes :</p>\n\n<ul>\n  <li>Pour personnaliser votre expérience &mdash; vos données nous aident à mieux répondre à vos besoins individuels.</li>\n  <li>Pour améliorer notre site &mdash; nous faisons tout notre possible pour améliorer notre site en fonction des données, retours et suggestions que nous recevons.</li>\n  <li>Afin d'améliorer le support client &mdash; vos données nous aident à mieux répondre à vos requêtes et demandes de support.</li>\n  <li>Afin d'envoyer des e-mails à intervalles réguliers &mdash; l'adresse e-mail que vous renseignez peut être utilisée pour vous envoyer des données et notifications concernant des changements ou en réponse à votre nom d'utilisateur⋅trice, en réponse à vos demandes et/ou autres requêtes ou questions</li>\n</ul>\n\n<h3 id=\"protect\">Comment protégeons-nous vos données?</h3>\n  \n<p>Nous appliquons une multitude de mesures afin de maintenir la sécurité de vos données personnelles lorsque vous entrez, soumettez, ou accédez à ces dernières.</p>\n\n<h3 id=\"data-retention\">Quelle est notre politique de conservation des données?</h3>\n\n<p>Nous nous efforçons de:</p>\n\n<ul>\n  <li>Ne pas garder les historiques serveurs contenant l'adresse IP de chaque requête adressée à ce serveur plus de 90 jours.</li>\n  <li>Ne pas conserver les adresses IP associées aux utilisateur⋅trices et leur contenu plus de 5 ans.</li>\n</ul>\n\n<h3 id=\"cookies\">Utilisons nous des \"cookies\"?</h3>\n\n<p>Oui. Les cookies sont de petits fichiers qu'un site ou prestataires de services transfèrent sur le disque dur de votre ordinateur par le biais de votre navigateur Web (si ce dernier le permet). Ces cookies permettent au site de reconnaître votre navigateur et, si vous disposez d'un compte, l'associer à votre compte.</p>\n\n<p>Nous utilisons les cookies pour enregistrer vos préférences pour de futures visites, compiler des données agrégées à propos du trafic et des interactions effectuées sur le site afin de proposer une meilleure expérience dans le futur. Nous pouvons contracter les services d'acteurs tiers afin de nous aider à mieux comprendre les visiteurs de notre site. Ces acteurs ont l'autorisation d'utiliser ces données seulement à des fins d'améliorations.</p>\n\n<h3 id=\"disclose\">Divulguons-nous des données à des acteurs tiers ?</h3>\n\n<p>Nous n'échangeons pas, ne vendons pas ni effectuons de quelconques transferts avec des acteurs tiers d'informations permettant de vous identifier personnellement. Cela n'inclut pas les acteurs de confiance qui nous aident à gérer notre entreprise et à vous servir tant que ces acteurs s'accordent à garder lesdites informations confidentielles. Nous pouvons être amenés à délivrer vos informations lorsque jugé adéquat afin de respecter la loi, d'appliquer la politique de notre site, ou afin de protéger nos droits, ceux des autres, notre propriété ou sécurité. Cependant, aucune information permettant l'identification de nos visiteurs ne sera divulguée à des fins publicitaires, commerciales ou tout autre usage.</p>\n\n<h3 id=\"third-party\">Liens vers des acteurs tiers</h3>\n\n<p>Nous pouvons être amenés à inclure ou offrir les services ou produits d'acteurs tiers sur notre site. Ces acteurs tiers possèdent leur propre politique de confidentialité. Nous ne sommes donc pas responsables du contenu ou activités desdits acteurs. Néanmoins, nous cherchons à protéger l'intégrité de notre site et sommes ouverts à toute remarque concernant ces acteurs.</p>\n\n<h3 id=\"coppa\">Children's Online Privacy Protection Act</h3>\n\n<p>Notre site, nos produits et services sont tous dirigés à l'usage de personnes étant âgés de 13 ans ou plus. Si ce serveur est hébergé aux États-Unis et que vous êtes âgé⋅e de moins de 13 ans, au vu du COPPA (<a href=\"https://fr.wikipedia.org/wiki/Children%27s_Online_Privacy_Protection_Act\">Children's Online Privacy Protection Act</a>) n'utilisez pas ce site.</p>\n\n<h3 id=\"consent\">Votre consentement</h3>\n\n<p>En utilisant notre site, vous consentez à la politique de confiedentialité de notre site Web.</p>\n\n<h3 id=\"changes\">Changements de notre politique de confidentialité</h3>\n\n<p>Si nous décidons d'apporter des changements à notre politique de confidentialité, nous les mettrons à disposition sur cette page.</p>\n\n<p>Ce document est distribué sous licence CC-BY-SA. Il a été mis à jour pour la dernière fois le 31 Mai 2013. Il a été traduit en français en Juillet 2017.</p>\n\n<p>Originellement adapté à partir de la politique de confidentialité de <a href=\"https://github.com/discourse/discourse\">Discourse</a></p>.\n"
-    title: "%{instance} Conditions d'utilisations et Politique de confidentialité"
+    body_html: "<h2>Politique de confidentialité</h2>\n\n<h3 id=\"collect\">Quelles données collectons-nous ?</h3>\n\n<p>Nous collectons des données lorsque vous vous enregistrez sur notre site et les récoltons lorsque vous participez dans le forum en lisant, écrivant, et évaluant le contenu partagé ici.</p>\n\n<p>Lors de l’enregistrement sur notre site, il peut vous être demandé de renseigner votre nom et adresse électronique. Vous pouvez, cependant, visiter notre site sans inscription. Votre adresse électronique devra être vérifiée grâce à un courriel contenant un lien unique. Si ce lien est visité, nous savons que vous contrôlez cette adresse.</p>\n\n<p>Lors de l’inscription et de la publication de statuts, nous enregistrons l’adresse IP de laquelle les statuts proviennent. Nous pouvons également conserver des historiques serveurs qui contiendront l’adresse IP de chaque requête adressée à notre serveur.</p>\n\n<h3 id=\"use\">Que faisons-nous avec vos données ?</h3>\n\n<p>Toute information que nous collectons pourra être utilisée d’une des manières suivantes :</p>\n\n<ul>\n  <li>Pour personnaliser votre expérience &mdash; vos données nous aident à mieux répondre à vos besoins individuels.</li>\n  <li>Pour améliorer notre site &mdash; nous faisons tout notre possible pour améliorer notre site en fonction des données, retours et suggestions que nous recevons.</li>\n  <li>Afin d’améliorer le support client &mdash; vos données nous aident à mieux répondre à vos requêtes et demandes de support.</li>\n  <li>Afin d’envoyer des courriels à intervalles réguliers &mdash; l’adresse électronique que vous renseignez peut être utilisée pour vous envoyer des données et notifications concernant des changements ou en réponse à votre nom d’utilisateur⋅trice, en réponse à vos demandes et/ou autres requêtes ou questions</li>\n</ul>\n\n<h3 id=\"protect\">Comment protégeons-nous vos données ?</h3>\n  \n<p>Nous appliquons une multitude de mesures afin de maintenir la sécurité de vos données personnelles lorsque vous entrez, soumettez, ou accédez à ces dernières.</p>\n\n<h3 id=\"data-retention\">Quelle est notre politique de conservation des données ?</h3>\n\n<p>Nous nous efforçons de :</p>\n\n<ul>\n  <li>ne pas garder les historiques serveurs contenant l’adresse IP de chaque requête adressée à ce serveur plus de 90 jours ;</li>\n  <li>ne pas conserver les adresses IP associées aux utilisateur⋅trices et leur contenu plus de 5 ans.</li>\n</ul>\n\n<h3 id=\"cookies\">Utilisons nous des « cookies » ?</h3>\n\n<p>Oui. Les cookies sont de petits fichiers qu’un site ou prestataires de services transfèrent sur le disque dur de votre ordinateur par le biais de votre navigateur Web (si ce dernier le permet). Ces cookies permettent au site de reconnaître votre navigateur et, si vous disposez d’un compte, de l’associer à celui-ci.</p>\n\n<p>Nous utilisons les cookies pour enregistrer vos préférences pour de futures visites, compiler des données agrégées à propos du trafic et des interactions effectuées sur le site afin de proposer une meilleure expérience dans le futur. Nous pouvons contracter les services d’acteurs tiers afin de nous aider à mieux comprendre les visiteurs de notre site. Ces acteurs ont l’autorisation d’utiliser ces données seulement à des fins d’améliorations.</p>\n\n<h3 id=\"disclose\">Divulguons-nous des données à des acteurs tiers ?</h3>\n\n<p>Nous n’échangeons pas, ne vendons pas ni effectuons de quelconques transferts avec des acteurs tiers d’informations permettant de vous identifier personnellement. Cela n’inclut pas les acteurs de confiance qui nous aident à gérer notre entreprise et à vous servir tant que ces acteurs s’accordent à garder lesdites informations confidentielles. Nous pouvons être amenés à délivrer vos informations lorsque jugé adéquat afin de respecter la loi, d’appliquer la politique de notre site, ou afin de protéger nos droits, ceux des autres, notre propriété ou sécurité. Cependant, aucune information permettant l’identification de nos visiteurs ne sera divulguée à des fins publicitaires, commerciales ou tout autre usage.</p>\n\n<h3 id=\"third-party\">Liens vers des acteurs tiers</h3>\n\n<p>Nous pouvons être amenés à inclure ou offrir les services ou produits d’acteurs tiers sur notre site. Ces acteurs tiers possèdent leur propre politique de confidentialité. Nous ne sommes donc pas responsables du contenu ou activités desdits acteurs. Néanmoins, nous cherchons à protéger l’intégrité de notre site et sommes ouverts à toute remarque concernant ces acteurs.</p>\n\n<h3 id=\"coppa\" lang=\"en\">Children's Online Privacy Protection Act</h3>\n\n<p>Notre site, nos produits et services sont tous destinés à l’usage de personnes âgées de 13 ans ou plus. Si ce serveur est hébergé aux États-Unis et que vous êtes âgé⋅e de moins de 13 ans, au vu du COPPA (<a href=\"https://fr.wikipedia.org/wiki/Children%27s_Online_Privacy_Protection_Act\"><i lang=\"en\">Children's Online Privacy Protection Act</i></a>) n’utilisez pas ce site.</p>\n\n<h3 id=\"consent\">Votre consentement</h3>\n\n<p>En utilisant notre site, vous consentez à la présente politique de confidentialité.</p>\n\n<h3 id=\"changes\">Changements de notre politique de confidentialité</h3>\n\n<p>Si nous décidons d’apporter des changements à notre politique de confidentialité, nous les publierons sur cette page.</p>\n\n<p>Ce document est distribué sous licence CC-BY-SA. Il a été mis à jour pour la dernière fois le 31 mai 2013. Il a été traduit en français en juillet 2017.</p>\n\n<p>Originellement adapté à partir de la politique de confidentialité de <a href=\"https://github.com/discourse/discourse\">Discourse</a>.</p>\n"
+    title: "%{instance} Conditions d’utilisations et politique de confidentialité"
   time:
     formats:
       default: "%d %b %Y, %H:%M"
@@ -451,4 +477,4 @@ fr:
   users:
     invalid_email: L’adresse courriel est invalide
     invalid_otp_token: Le code d’authentification à deux facteurs est invalide
-    signed_in_as: 'Connecté·e en tant que :'
+    signed_in_as: 'Connecté·e en tant que :'
diff --git a/config/locales/ja.yml b/config/locales/ja.yml
index 05c712234..fa9e1d112 100644
--- a/config/locales/ja.yml
+++ b/config/locales/ja.yml
@@ -37,12 +37,16 @@ ja:
     follow: フォロー
     followers: フォロワー
     following: フォロー中
+    media: メディア
     nothing_here: 何もありません
     people_followed_by: "%{name} さんがフォロー中のアカウント"
     people_who_follow: "%{name} さんをフォロー中のアカウント"
-    posts: 投稿
+    posts: トゥート
+    posts_with_replies: トゥートと返信
     remote_follow: リモートフォロー
     reserved_username: このユーザー名は予約されています。
+    roles:
+      admin: Admin
     unfollow: フォロー解除
   admin:
     accounts:
@@ -57,6 +61,7 @@ ja:
       feed_url: フィードURL
       followers: フォロワー数
       follows: フォロー数
+      inbox_url: Inbox URL
       ip: IP
       location:
         all: すべて
@@ -76,10 +81,12 @@ ja:
         alphabetic: アルファベット順
         most_recent: 直近の活動順
         title: 順序
+      outbox_url: Outbox URL
       perform_full_suspension: 完全に活動停止させる
       profile_url: プロフィールURL
+      protocol: プロトコル
       public: パブリック
-      push_subscription_expires: PuSH購読期限切れ
+      push_subscription_expires: PuSH購読期限
       redownload: アバターの更新
       reset: リセット
       reset_password: パスワード再設定
@@ -219,7 +226,13 @@ ja:
     signature: Mastodon %{instance} インスタンスからの通知
     view: 'View:'
   applications:
+    created: アプリが作成されました
+    destroyed: アプリが削除されました
     invalid_url: URLが無効です
+    regenerate_token: アクセストークンの再生成
+    token_regenerated: アクセストークンが再生成されました
+    warning: このデータは気をつけて取り扱ってください。不特定多数の人と共有しないでください!
+    your_token: アクセストークン
   auth:
     agreement_html: 登録すると <a href="%{rules_path}">利用規約</a> と <a href="%{terms_path}">プライバシーポリシー</a> に同意したことになります。
     change_password: セキュリティ
@@ -227,6 +240,7 @@ ja:
     delete_account_html: アカウントを削除したい場合、<a href="%{path}">こちら</a> から手続きが行えます。削除する前に、確認画面があります。
     didnt_get_confirmation: 確認メールを受信できませんか?
     forgot_password: パスワードをお忘れですか?
+    invalid_reset_password_token: パスワードリセットトークンが正しくないか期限切れです。もう一度リクエストしてください。
     login: ログイン
     logout: ログアウト
     register: 登録する
@@ -273,7 +287,7 @@ ja:
       content: セキュリティ認証に失敗しました。Cookieをブロックしていませんか?
       title: セキュリティ認証に失敗
     '429': リクエストの制限に達しました。
-    noscript: Mastodonのウェブアプリケーションを利用する場合はJavaScriptを有効にしてください。またはあなたのプラットフォーム向けのMastodonネイティブアプリを探すことができます。
+    noscript_html: Mastodonのウェブアプリケーションを利用する場合はJavaScriptを有効にしてください。またはあなたのプラットフォーム向けの<a href="https://github.com/tootsuite/documentation/blob/master/Using-Mastodon/Apps.md">Mastodonネイティブアプリ</a>を探すことができます。
   exports:
     blocks: ブロック
     csv: CSV
@@ -338,6 +352,17 @@ ja:
     reblog:
       body: 'あなたのトゥートが %{name} さんにブーストされました:'
       subject: あなたのトゥートが %{name} さんにブーストされました
+  number:
+    human:
+      decimal_units:
+        format: "%n%u"
+        units:
+          billion: B
+          million: M
+          quadrillion: Q
+          thousand: K
+          trillion: T
+          unit: ''
   pagination:
     next: 次
     prev: 前
@@ -356,9 +381,6 @@ ja:
       title: "%{name} さんから返信がありました"
     reblog:
       title: あなたのトゥートが %{name} さんにブーストされました
-    subscribed:
-      body: あなたはプッシュ通知を受け取ることが出来ます
-      title: Subscription が登録されました
   remote_follow:
     acct: あなたの ユーザー名@ドメイン を入力してください
     missing_resource: リダイレクト先が見つかりませんでした
@@ -407,6 +429,7 @@ ja:
     authorized_apps: 認証済みアプリ
     back: Mastodon に戻る
     delete: アカウントの削除
+    development: 開発
     edit_profile: プロフィールを編集
     export: データのエクスポート
     followers: 信頼済みのインスタンス
@@ -414,9 +437,14 @@ ja:
     preferences: ユーザー設定
     settings: 設定
     two_factor_authentication: 二段階認証
+    your_apps: アプリ
   statuses:
     open_in_web: Webで開く
     over_character_limit: 上限は %{max}文字までです
+    pin_errors:
+      ownership: 他人のトゥートを固定することはできません
+      private: 非公開のトゥートを固定することはできません
+      reblog: ブーストされたトゥートを固定することはできません
     show_more: もっと見る
     visibilities:
       private: 非公開
@@ -427,6 +455,7 @@ ja:
       unlisted_long: 誰でも見ることができますが、公開タイムラインには表示されません
   stream_entries:
     click_to_show: クリックして表示
+    pinned: 固定されたトゥート
     reblogged: さんにブーストされました
     sensitive_content: 閲覧注意
   terms:
diff --git a/config/locales/ko.yml b/config/locales/ko.yml
index f3bde5bbb..f98059526 100644
--- a/config/locales/ko.yml
+++ b/config/locales/ko.yml
@@ -220,7 +220,7 @@ ko:
       content: 보안 인증에 실패했습니다. Cookie를 차단하고 있진 않습니까?
       title: 보안 인증 실패
     '429': 요청 횟수 제한에 도달했습니다.
-    noscript: Mastodon을 사용하기 위해서는 JavaScript를 켜 주십시오.
+    noscript_html: Mastodon을 사용하기 위해서는 JavaScript를 켜 주십시오.
   exports:
     blocks: 차단
     csv: CSV
diff --git a/config/locales/nl.yml b/config/locales/nl.yml
index 6562767a9..50ae5508b 100644
--- a/config/locales/nl.yml
+++ b/config/locales/nl.yml
@@ -272,7 +272,7 @@ nl:
       content: Veiligheidsverificatie mislukt. Blokkeer je toevallig cookies?
       title: Veiligheidsverificatie mislukt
     '429': Te veel verbindingsaanvragen.
-    noscript: Schakel JavaScript in om de webapplicatie van Mastodon te gebruiken. Als alternatief kan je een Mastodon-app zoeken voor jouw platform.
+    noscript_html: Schakel JavaScript in om de webapplicatie van Mastodon te gebruiken. Als alternatief kan je een <a href="https://github.com/tootsuite/documentation/blob/master/Using-Mastodon/Apps.md">Mastodon-app</a> zoeken voor jouw platform.
   exports:
     blocks: Jij blokkeert
     csv: CSV
@@ -353,9 +353,6 @@ nl:
       title: "%{name} vermeldde jou"
     reblog:
       title: "%{name} boostte jouw toot"
-    subscribed:
-      body: Je kan nu pushmeldingen ontvangen.
-      title: Aanmelding bevestigd!
   remote_follow:
     acct: Geef jouw account@domein.tld op waarvandaan je wilt volgen
     missing_resource: Kon vereiste doorverwijzings-URL voor jouw account niet vinden
diff --git a/config/locales/oc.yml b/config/locales/oc.yml
index 6c3f95823..019d3b196 100644
--- a/config/locales/oc.yml
+++ b/config/locales/oc.yml
@@ -7,7 +7,7 @@ oc:
     contact: Contacte
     contact_missing: Pas parametrat
     contact_unavailable: Pas disponible
-    description_headline: Qué es %{domain} ?
+    description_headline: Qué es %{domain} ?
     domain_count_after: autras instàncias
     domain_count_before: Connectat a
     extended_description_html: |
@@ -32,21 +32,25 @@ oc:
     status_count_before: qu’an escrich
     user_count_after: personas
     user_count_before: Ostal de
-    what_is_mastodon: Qu’es Mastodon ?
+    what_is_mastodon: Qu’es Mastodon ?
   accounts:
     follow: Sègre
     followers: Seguidors
     following: Abonaments
-    nothing_here: I a pas res aquí !
+    media: Mèdias
+    nothing_here: I a pas res aquí !
     people_followed_by: Lo mond que %{name} sèc
     people_who_follow: Lo mond que sègon %{name}
-    posts: Estatuts
+    posts: Tuts
+    posts_with_replies: Tuts amb responsas
     remote_follow: Sègre a distància
     reserved_username: Aqueste nom d’utilizaire es reservat
+    roles:
+      admin: Admin
     unfollow: Quitar de sègre
   admin:
     accounts:
-      are_you_sure: Sètz segur ?
+      are_you_sure: Sètz segur ?
       confirm: Confirmar
       confirmed: Confirmat
       disable_two_factor_authentication: Desactivar 2FA
@@ -57,6 +61,7 @@ oc:
       feed_url: Flux URL
       followers: Seguidors
       follows: Abonaments
+      inbox_url: URL de recepcion
       ip: IP
       location:
         all: Tot
@@ -76,8 +81,10 @@ oc:
         alphabetic: Alfabetic
         most_recent: Mai recent
         title: Ordre
+      outbox_url: URL Outbox
       perform_full_suspension: Botar en tren la suspension complèta
       profile_url: URL del perfil
+      protocol: Protocòl
       public: Public
       push_subscription_expires: Fin de l’abonament PuSH
       redownload: Actualizar los avatars
@@ -135,8 +142,8 @@ oc:
       domain_name: Domeni
       title: Instàncias conegudas
     reports:
-      action_taken_by: Accion menada per
-      are_you_sure: Es segur ?
+      action_taken_by: Mesura menada per
+      are_you_sure: Es segur ?
       comment:
         label: Comentari
         none: Pas cap
@@ -214,31 +221,37 @@ oc:
       body: "%{reporter} a senhalat %{target}"
       subject: Novèl senhalament per %{instance} (#%{id})
   application_mailer:
-    salutation: '%{name},'
-    settings: 'Cambiar las preferéncias de corrièl : %{link}'
+    salutation: "%{name},"
+    settings: 'Cambiar las preferéncias de corrièl : %{link}'
     signature: Notificacion de Mastodon sus %{instance}
-    view: 'Veire :'
+    view: 'Veire :'
   applications:
+    created: Aplicacion ben creada
+    destroyed: Aplication ben suprimida
     invalid_url: L’URL donada es invalida
+    regenerate_token: Tornar generar lo geton d’accès
+    token_regenerated: Geton d’accès ben regenerat
+    warning: Mèfi ! Agachatz de partejar aquela donada amb degun !
+    your_token: Vòstre geton d’accès
   auth:
     agreement_html: En vos marcar acceptatz <a href="%{rules_path}">nòstres tèrmes de servici</a> e <a href="%{terms_path}">politica de confidencialitat</a>.
     change_password: Seguretat
     delete_account: Suprimir lo compte
     delete_account_html: Se volètz suprimir vòstre compte, podètz <a href="%{path}">o far aquí</a>. Vos demandarem que confirmetz.
-    didnt_get_confirmation: Avètz pas recebut las instruccions de confirmacion ?
-    forgot_password: Senhal oblidat ?
+    didnt_get_confirmation: Avètz pas recebut las instruccions de confirmacion ?
+    forgot_password: Senhal oblidat ?
+    invalid_reset_password_token: Lo geton de reïnicializacion es invalid o acabat. Tornatz demandar un geton se vos plai.
     login: Se connectar
     logout: Se desconnectar
     register: Se marcar
     resend_confirmation: Tornar mandar las instruccions de confirmacion
     reset_password: Reïnicializar lo senhal
     set_new_password: Picar un nòu senhal
-    invalid_reset_password_token: Ligam de reïnicializacion invalid o acabat. Tornatz ensajar se vos plai.
   authorize_follow:
     error: O planhèm, i a agut una error al moment de cercar lo compte
     follow: Sègre
-    follow_request: 'Avètz demandat de sègre :'
-    following: 'Felicitacion ! Seguètz ara :'
+    follow_request: 'Avètz demandat de sègre :'
+    following: 'Felicitacion ! Seguètz ara :'
     post_follow:
       close: O podètz tampar aquesta fenèstra.
       return: Tornar al perfil
@@ -258,11 +271,11 @@ oc:
     - gen
     - feb
     - mar
-    - mai
+    - abr
     - mai
     - jun
     - jul
-    - ag
+    - ago
     - set
     - oct
     - nov
@@ -299,26 +312,45 @@ oc:
     - :year
   datetime:
     distance_in_words:
-      about_x_hours: Fa %{count} oras
-      about_x_months: Fa %{count} meses
+      about_x_hours:
+        one: Fa una ora
+        other: Fa %{count} oras
+      about_x_months:
+        one: Fa un mes
+        other: Fa %{count} meses
       about_x_years:
         one: Fa un an
         other: Fa %{count} ans
       almost_x_years:
-        one: Fa un an
-        other: Fa %{count} ans
+        one: Fa quasi un an
+        other: Fa quasi %{count} ans
       half_a_minute: Ara
-      less_than_x_minutes: Fa %{count} minutas
-      less_than_x_seconds: Ara
+      less_than_x_minutes:
+        one: Fa mens d’una minuta
+        other: Fa mens de %{count} minutas
+      less_than_x_seconds:
+        one: Fa mens d’una segonda
+        other: Fa mens de %{count} segondas
       over_x_years:
+        one: Fa mai d’un an
+        other: Fa mai de %{count} ans
+      x_days:
+        one: Fa un jorn
+        other: Fa %{count} jorns
+      x_minutes:
+        one: Fa una minuta
+        other: Fa %{count} minutas
+      x_months:
+        one: Fa un mes
+        other: Fa %{count} meses
+      x_seconds:
+        one: Fa una segonda
+        other: Fa %{count} segondas
+      x_years:
         one: Fa un an
         other: Fa %{count} ans
-      x_days: Fa %{count} jorns
-      x_minutes: Fa %{count} minutas
-      x_months: Fa %{count} meses
-      x_seconds: Fa %{count} segondas
   deletes:
-    bad_password_msg: Ben ensajat pirata ! Senhal incorrècte
+    bad_password_msg: Ben ensajat pirata ! Senhal incorrècte
     confirm_password: Picatz vòstre senhal actual per verificar vòstra identitat
     description_html: Aquò suprimirà <strong>definitivament e sens possibilitat de retorn</strong> lo contengut de vòstre compte e lo desactivarà. Lo nom d’utilizaire serà gardat per evitar una futura impostura.
     proceed: Suprimir lo compte
@@ -330,10 +362,10 @@ oc:
     '404': La pagina que recercatz existís pas.
     '410': La pagina que cercatz existís pas mai.
     '422':
-      content: Verificacion de seguretat fracassada. Blocatz los cookies ?
+      content: Verificacion de seguretat fracassada. Blocatz los cookies ?
       title: Verificacion de seguretat fracassada
     '429': Lo servidor mòla (subrecargada)
-    noscript: Per utilizar l’aplicacion web de Mastodon, mercés d’activar JavaScript. O podètz utilizar una aplicacion per vòstra plataforma coma alernativa.
+    noscript_html: Per utilizar l’aplicacion web de Mastodon, mercés d’activar JavaScript. O podètz utilizar <a href="https://github.com/tootsuite/documentation/blob/master/Using-Mastodon/Apps.md">una aplicacion</a> per vòstra plataforma coma alernativa.
   exports:
     blocks: Personas que blocatz
     csv: CSV
@@ -347,18 +379,18 @@ oc:
     lock_link: Clavar vòstre compte
     purge: Tirar dels seguidors
     success:
-      one: Soi a blocar los seguidors d’un domeni...
-      other: Soi a blocar los seguidors de %{count} domenis...
+      one: Soi a blocar los seguidors d’un domeni…
+      other: Soi a blocar los seguidors de %{count} domenis…
     true_privacy_html: Mèfi que la <strong>vertadièra confidencialitat pòt solament èsser amb un chiframent del cap a la fin (end-to-end)</strong>.
     unlocked_warning_html: Tot lo mond pòt vos sègre e veire sulpic vòstres estatuts privats. %{lock_link} per poder repassar e regetar los seguidors.
     unlocked_warning_title: Vòstre compte es pas clavat
   generic:
-    changes_saved_msg: Cambiaments ben realizats !
+    changes_saved_msg: Cambiaments ben realizats !
     powered_by: propulsat per %{link}
     save_changes: Salvagardar los cambiaments
     validation_errors:
-      one: I a quicòm que truca ! Mercés de corregir l’error çai-jos
-      other: I a quicòm que truca ! Mercés de corregir las %{count} errors çai-jos
+      one: I a quicòm que truca ! Mercés de corregir l’error çai-jos
+      other: I a quicòm que truca ! Mercés de corregir las %{count} errors çai-jos
   imports:
     preface: Podètz importar qualques donadas coma lo mond que seguètz o blocatz a-n aquesta instància d’un fichièr creat d’una autra instància.
     success: Vòstras donadas son ben estadas mandadas e seràn tractadas tre que possible
@@ -376,27 +408,27 @@ oc:
   notification_mailer:
     digest:
       body: 'Trobatz aquí un resumit de çò qu’avètz mancat dempuèi vòstra darrièra visita lo %{since}:'
-      mention: "%{name} vos a mencionat dins :"
+      mention: "%{name} vos a mencionat dins :"
       new_followers_summary:
-        one: Avètz un nòu seguidor ! Ouà !
-        other: Avètz %{count} nòus seguidors ! Qué crane !
+        one: Avètz un nòu seguidor ! Ouà  
+        other: Avètz %{count} nòus seguidors ! Qué crane !
       subject:
         one: "Una nòva notificacion dempuèi vòstra darrièra visita \U0001F418"
         other: "%{count} nòvas notificacions dempuèi vòstra darrièra visita \U0001F418"
     favourite:
-      body: "%{name} a mes vòstre estatut en favorit :"
+      body: "%{name} a mes vòstre estatut en favorit :"
       subject: "%{name} a mes vòstre estatut en favorit"
     follow:
-      body: "%{name} vos sèc ara !"
+      body: "%{name} vos sèc ara !"
       subject: "%{name} vos sèc ara"
     follow_request:
       body: "%{name} a demandat a vos sègre"
-      subject: 'Demanda d’abonament : %{name}'
+      subject: 'Demanda d’abonament : %{name}'
     mention:
-      body: "%{name} vos a mencionat dins :"
+      body: "%{name} vos a mencionat dins :"
       subject: "%{name} vos a mencionat"
     reblog:
-      body: "%{name} a tornat partejar vòstre estatut :"
+      body: "%{name} a tornat partejar vòstre estatut :"
       subject: "%{name} a tornat partejar vòstre estatut"
   pagination:
     next: Seguent
@@ -416,14 +448,11 @@ oc:
       title: "%{name} vos a mencionat"
     reblog:
       title: "%{name} a partejat vòstre estatut"
-    subscribed:
-      body: Podètz ara recebre las notificacions push.
-      title: Abonament enregistrat !
   remote_follow:
     acct: Picatz vòstre utilizaire@instància que cal utilizar per sègre aqueste utilizaire
     missing_resource: URL de redireccion pas trobada
     proceed: Contunhatz per sègre
-    prompt: 'Sètz per sègre :'
+    prompt: 'Sètz per sègre :'
   sessions:
     activity: Darrièra activitat
     browser: Navigator
@@ -467,6 +496,7 @@ oc:
     authorized_apps: Aplicacions autorizadas
     back: Tornar a Mastodon
     delete: Supression de compte
+    development: Desvolopament
     edit_profile: Modificar lo perfil
     export: Export donadas
     followers: Seguidors autorizats
@@ -474,9 +504,14 @@ oc:
     preferences: Preferéncias
     settings: Paramètres
     two_factor_authentication: Autentificacion en dos temps
+    your_apps: Vòstras aplicacions
   statuses:
     open_in_web: Dobrir sul web
     over_character_limit: limit de %{max} caractèrs passat
+    pin_errors:
+      ownership: Se pòt pas penjar lo tut de qualqu’un mai
+      private: Se pòt pas penjar los tuts pas publics
+      reblog: Se pòt pas penjar un tut partejat
     show_more: Ne veire mai
     visibilities:
       private: Seguidors solament
@@ -486,22 +521,23 @@ oc:
       unlisted: Pas listat
       unlisted_long: Tot lo mond pòt veire mai serà pas visible sul flux public
   stream_entries:
-    click_to_show: Clicatz per afichar
+    click_to_show: Clicatz per veire
+    pinned: Tut penjat
     reblogged: a partejat
     sensitive_content: Contengut sensible
   terms:
     body_html: |
       <h2>Politica de confidencialitat</h2>
 
-      <h3 id="collect">Quinas informacions collectem ?</h3>
+      <h3 id="collect">Quinas informacions reculhèm ?</h3>
 
-      <p>Collectem informacions sus vos quand vos marcatz sus nòstre site e juntem las donadas quand participatz a nòstre forum en legissent, escrivent e notant lo contengut partejat aquí.</p>
+      <p>Collectem informacions sus vos quand vos marcatz sus nòstre site e juntem las donadas quand participatz a nòstre forum en legir, escriure e notar lo contengut partejat aquí.</p>
 
       <p>Pendent l’inscripcion podèm vos demandar vòstre nom e adreça de corrièl. Podètz çaquelà visitar nòstre site sens vos marcar. Verificarem vòstra adreça amb un messatge donant un ligam unic. Se clicatz sul ligam sauprem qu’avètz lo contraròtle de l’adreça.</p>
 
       <p>Quand sètz marcat e que publicatz quicòm, enregistrem l’adreça IP d’origina. Podèm tanben salvagardar los jornals del servidor que tenon l’adreça IP de totas las demandas fachas al nòstre servidor.</p>
 
-      <h3 id="use">Qué fasèm de vòstras informacions ?</h3>
+      <h3 id="use">Qué fasèm de vòstras informacions ?</h3>
 
       <p>Totas las informacions que collectem de vos pòdon servir dins los cases seguents :</p>
 
@@ -512,26 +548,26 @@ oc:
         <li>Per enviar periodicament de corrièls &mdash; Podèm utilizar l’adreça qu’avètz donada per vos enviar d’informacions e de notificacions que demandatz tocant de cambiaments dins los subjèctes del forum o en responsa a vòstre nom d’utilizaire, en responsa a una demanda, e/o tota autra question.</li>
       </ul>
 
-      <h3 id="protect">Cossí protegèm vòstras informacions ?</h3>
+      <h3 id="protect">Cossí protegèm vòstras informacions ?</h3>
 
       <p>Apliquem tota una mena de mesuras de seguretat per manténer la fisança de vòstras informacions personalas quand las picatz, mandatz, o i accedètz.</p>
 
-      <h3 id="data-retention">Quala es vòstra politica de conservacion de donadas ?</h3>
+      <h3 id="data-retention">Quala es vòstra politica de conservacion de donadas ?</h3>
 
-      <p>Farem esfòrces per :</p>
+      <p>Farem esfòrces per :</p>
 
       <ul>
         <li>Gardar los jornals del servidor que contenon las adreças IP de totas las demandas al servidor pas mai de 90 jorns.</li>
         <li>Gardar las adreças IP ligadas als utilizaires e lors publicacions pas mai de 5 ans.</li>
       </ul>
 
-      <h3 id="cookies">Empleguem de cookies ?</h3>
+      <h3 id="cookies">Empleguem de cookies ?</h3>
 
-      <p>Òc-ben. Los cookies son de pichons fichièrs qu’un site o sos forneires de servicis plaçan dins lo disc dur de vòstre ordenador via lo navigator Web (Se los acceptatz). Aqueles cookies permeton al site de reconéisser vòstre navigator e se tenètz un compte enregistrat de l’associar a vòstre compte.</p>
+      <p>Òc-ben. Los cookies son de pichons fichièrs qu’un site o sos provesidors de servicis plaçan dins lo disc dur de vòstre ordenador via lo navigator Web (Se los acceptatz). Aqueles cookies permeton al site de reconéisser vòstre navigator e se tenètz un compte enregistrat de l’associar a vòstre compte.</p>
 
-      <p>Empleguem de cookies per comprendre e enregistrar vòstras preferéncias per vòstras visitas venentas, per recampar de donadas sul trafic del site e las interaccions per dire que posquem ofrir una melhora experiéncia del site e de las aisinas pel futur. Pòt arribar que contractèssem amb de forneires de servicis tèrces per nos ajudar a comprendre melhor nòstres visitors.  Aqueles forneires an pas lo drech que d’utilizar las donadas collectadas per nos ajudar a menar e melhorar nòstre afar.</p>
+      <p>Empleguem de cookies per comprendre e enregistrar vòstras preferéncias per vòstras visitas venentas, per recampar de donadas sul trafic del site e las interaccions per dire que posquem ofrir una melhora experiéncia del site e de las aisinas pel futur. Pòt arribar que contractèssem amb de provesidors de servicis tèrces per nos ajudar a comprendre melhor nòstres visitors.  Aqueles provesidors an pas lo drech que d’utilizar las donadas collectadas per nos ajudar a menar e melhorar nòstre afar.</p>
 
-      <h3 id="disclose">Divulguem d’informacions a de tèrces ?</h3>
+      <h3 id="disclose">Divulguem d’informacions a de tèrces ?</h3>
 
       <p>Vendèm pas, comercem o qualque transferiment que siasque a de tèrces vòstras informacions personalas identificablas. Aquò inclutz pas los tèrces partits de confisança que nos assiston a menar nòstre site, menar nòstre afar o vos servir, baste que son d’acòrd per gardar aquelas informacions confidencialas. Pòt tanben arribar que liberèssem vòstras informacions quand cresèm qu’es apropriat d’o far per se sometre a la lei, per refortir nòstras politicas, o per protegir los dreches, proprietats o seguritat de qualqu’un o de nosautres. Pasmens es possible que mandèssem d’informacions non-personalas e identificablas de nòstres visitors a d’autres partits per d’utilizacion en marketing, publicitat o un emplec mai.</p>
 
@@ -567,17 +603,18 @@ oc:
     description_html: S’activatz <strong> l’autentificacion two-factor</strong>, vos caldrà vòstre mobil per vos connectar perque generarà un geton per vos daissar dintrar.
     disable: Desactivar
     enable: Activar
-    enabled_success: Autentificacion en dos temps Two-factor ben activada
+    enabled: Autentificacion en dos temps activada
+    enabled_success: L’autentificacion en dos temps es ben activada
     generate_recovery_codes: Generar los còdis de recuperacion
     instructions_html: "<strong>Escanatz aqueste còdi QR amb Google Authenticator o una aplicacion similària sus vòstre mobil</strong>. A partir d’ara, aquesta aplicacion generarà un geton que vos caldrà picar per vos connectar."
     lost_recovery_codes: Los còdi de recuperacion vos permeton d’accedir a vòstre compte se perdètz vòstre mobil. S’avètz perdut vòstres còdis de recuperacion los podètz tornar generar aquí. Los ancians còdis seràn pas mai valides.
-    manual_instructions: 'Se podètz pas numerizar lo còdi QR e que vos cal picar lo còdi a la man, vaquí lo còdi en clar :'
+    manual_instructions: 'Se podètz pas numerizar lo còdi QR e que vos cal picar lo còdi a la man, vaquí lo còdi en clar :'
     recovery_codes: Salvar los còdis de recuperacion
     recovery_codes_regenerated: Los còdis de recuperacion son ben estats tornats generar
     recovery_instructions_html: Se vos arriba de perdre vòstre mobil, podètz utilizar un dels còdis de recuperacion cai-jos per poder tornar accedir a vòstre compte. Gardatz los còdis en seguretat, per exemple, imprimissètz los e gardatz los amb vòstres documents importants.
     setup: Paramètres
-    wrong_code: Lo còdi picat es invalid ! L’ora es la bona sul servidor e lo mobil ?
+    wrong_code: Lo còdi picat es invalid ! L’ora es la bona sul servidor e lo mobil ?
   users:
     invalid_email: L’adreça de corrièl es invalida
     invalid_otp_token: Còdi d’autentificacion en dos temps invalid
-    signed_in_as: 'Session a'
+    signed_in_as: Session a
diff --git a/config/locales/pl.yml b/config/locales/pl.yml
index 415c3b993..246028f9b 100644
--- a/config/locales/pl.yml
+++ b/config/locales/pl.yml
@@ -18,7 +18,7 @@ pl:
       humane_approach_title: Bardziej ludzkie podejście
       not_a_product_body: Mastodon nie jest komercyjną siecią. Nie doświadczysz tu reklam, zbierania danych, ani centralnego ośrodka, tak jak w przypadku wielu rozwiązań.
       not_a_product_title: Jesteś człowiekiem, nie produktem
-      real_conversation_body: Mając do dyspozycji 500 znaków na post, rozdrobnienie zawartości i ostrzeżenia o multimediach, możesz wyrażać siebie na wszystkie możliwe sposoby.
+      real_conversation_body: Mając do dyspozycji 500 znaków na wpis, rozdrobnienie zawartości i ostrzeżenia o multimediach, możesz wyrażać siebie na wszystkie możliwe sposoby.
       real_conversation_title: Zaprojektowany do prawdziwych rozmów
       within_reach_body: Wiele aplikacji dla Androida, iOS i innych platform dzięki przyjaznemu programistom API sprawia, że możesz utrzymywać kontakt ze znajomymi praktycznie wszędzie.
       within_reach_title: Zawsze w Twoim zasięgu
@@ -37,12 +37,16 @@ pl:
     follow: Śledź
     followers: Śledzących
     following: Śledzi
+    media: Zawartość multimedialna
     nothing_here: Niczego tu nie ma!
     people_followed_by: Konta śledzone przez %{name}
     people_who_follow: Osoby, które śledzą konto %{name}
     posts: Wpisy
-    remote_follow: Zdalne śledzenie
+    posts_with_replies: Wpisy z odpowiedziami
+    remote_follow: Śledź zdalnie
     reserved_username: Ta nazwa użytkownika jest zarezerwowana.
+    roles:
+      admin: Administrator
     unfollow: Przestań śledzić
   admin:
     accounts:
@@ -65,12 +69,12 @@ pl:
         title: Położenie
       media_attachments: Załączniki multimedialne
       moderation:
-        all: Wszystko
+        all: Wszystkie
         silenced: Wyciszone
         suspended: Zawieszone
         title: Moderacja
       most_recent_activity: Najnowsza aktywność
-      most_recent_ip: Najnowsze IP
+      most_recent_ip: Ostatnie IP
       not_subscribed: Nie zasubskrybowano
       order:
         alphabetic: Alfabetycznie
@@ -88,9 +92,9 @@ pl:
       search: Szukaj
       show:
         created_reports: Zgłoszenia tego użytkownika
-        report: zgłoszenie
+        report: zgłoszeń
         targeted_reports: Zgłoszenia dotyczące tego użytkownika
-      silence: Cisza
+      silence: Wycisz
       statuses: Statusy
       subscribe: Subskrybuj
       title: Konta
@@ -122,6 +126,7 @@ pl:
       severity: Priorytet
       show:
         affected_accounts:
+          many: Dotyczy %{count} kont w bazie danych
           one: Dotyczy jednego konta w bazie danych
           other: Dotyczy %{count} kont w bazie danych
         retroactive:
@@ -129,7 +134,7 @@ pl:
           suspend: Odwołaj zawieszenie wszystkich kont w tej domenie
         title: Odwołaj blokadę dla domeny %{domain}
         undo: Cofnij
-      title: Blokady domen
+      title: Zablokowane domeny
       undo: Cofnij
     instances:
       account_count: Znane konta
@@ -142,7 +147,7 @@ pl:
         label: Komentarz
         none: Brak
       delete: Usuń
-      id: Identyfikator
+      id: ID
       mark_as_resolved: Oznacz jako rozwiązane
       nsfw:
         'false': Nie oznaczaj jako NSFW
@@ -150,8 +155,8 @@ pl:
       report: 'Zgłoszenie #%{id}'
       report_contents: Zawartość
       reported_account: Zgłoszone konto
-      reported_by: Zgłoszone przez
-      resolved: Rozwiązano
+      reported_by: Zgłaszający
+      resolved: Rozwiązane
       silence_account: Wycisz konto
       status: Status
       suspend_account: Zawieś konto
@@ -180,7 +185,7 @@ pl:
         desc_html: Dobre miejsce na zasady użytkowania, wprowadzenie i inne rzeczy, które wyróżniają tę instancję. Możesz korzystać z tagów HTML
         title: Niestandardowy opis strony
       site_terms:
-        desc_html: Miejsce na własną politykę prywatności, zasady użytkowania i inne unormowania prawne. Możesz używać tagów HTML
+        desc_html: Miejsce na własną politykę prywatności, zasady użytkowania i inne unormowania prawne. Możesz korzystać z tagów HTML
         title: Niestandardowe zasady użytkowania
       site_title: Nazwa instancji
       timeline_preview:
@@ -204,7 +209,7 @@ pl:
       with_media: Z zawartością multimedialną
     subscriptions:
       callback_url: URL zwrotny
-      confirmed: Potwierdzono
+      confirmed: Potwierdzone
       expires_in: Wygasa
       last_delivery: Ostatnio doręczono
       title: WebSub
@@ -220,7 +225,13 @@ pl:
     signature: Powiadomienie Mastodona z instancji %{instance}
     view: 'Zobacz:'
   applications:
-    invalid_url: Ten URL jest nieprawidłowy
+    created: Pomyślnie utworzono aplikację
+    destroyed: Pomyślnie usunięto aplikację
+    invalid_url: Wprowadzony adres URL jest nieprawidłowy
+    regenerate_token: Wygeneruj nowy token dostępu
+    token_regenerated: Pomyślnie wygenerowano nowy token dostępu
+    warning: Przechowuj te dane ostrożnie. Nie udostępniaj ich nikomu!
+    your_token: Twój token dostępu
   auth:
     agreement_html: Rejestrując się, oświadczasz, że zapoznałeś się z <a href="%{rules_path}">naszymi zasadami użytkowania</a> i <a href="%{terms_path}">polityką prywatności</a>.
     change_password: Bezpieczeństwo
@@ -275,12 +286,12 @@ pl:
       content: Sprawdzanie bezpieczeństwa nie powiodło się. Czy blokujesz pliki cookie?
       title: Sprawdzanie bezpieczeństwa nie powiodło się
     '429': Uduszono
-    noscript: Aby korzystać z aplikacji Mastodon, włącz JavaScript. Możesz też skorzystać z natywnej aplikacji obsługującej Twoje urządzenie.
+    noscript_html: Aby korzystać z aplikacji Mastodon, włącz JavaScript. Możesz też skorzystać z jednej z <a href="https://github.com/tootsuite/documentation/blob/master/Using-Mastodon/Apps.md">natywnych aplikacji</a> obsługującej Twoje urządzenie.
   exports:
-    blocks: Blokujesz
+    blocks: Zablokowani
     csv: CSV
-    follows: Śledzisz
-    mutes: Wyciszyłeś
+    follows: Śledzeni
+    mutes: Wyciszeni
     storage: Urządzenie przechowujące dane
   followers:
     domain: Domena
@@ -362,9 +373,6 @@ pl:
       title: "%{name} wspomniał o Tobie"
     reblog:
       title: "%{name} podbił Twój status"
-    subscribed:
-      body: Otrzymujesz teraz powiadomienia push.
-      title: Zarejestrowano subskrypcję!
   remote_follow:
     acct: Podaj swój adres (nazwa@domena), z którego chcesz śledzić
     missing_resource: Nie udało się znaleźć adresu przekierowania z Twojej domeny
@@ -413,26 +421,33 @@ pl:
     authorized_apps: Uwierzytelnione aplikacje
     back: Powrót do Mastodona
     delete: Usuń konto
+    development: Tworzenie aplikacji
     edit_profile: Edytuj profil
-    export: Eksportuj dane
+    export: Eksportowanie danych
     followers: Autoryzowani śledzący
-    import: Importuj dane
+    import: Importowanie danych
     preferences: Preferencje
     settings: Ustawienia
     two_factor_authentication: Uwierzytelnianie dwuetapowe
+    your_apps: Twoje aplikacje
   statuses:
     open_in_web: Otwórz w przeglądarce
     over_character_limit: limit %{max} znaków przekroczony
+    pin_errors:
+      ownership: Nie możesz przypiąć cudzego wpisu
+      private: Nie możesz przypiąć niepublicznego wpisu
+      reblog: Nie możesz przypiąć podbicia wpisu
     show_more: Pokaż więcej
     visibilities:
       private: Tylko dla śledzących
-      private_long: Widoczne tylko dla śledzących
+      private_long: Widoczny tylko dla osób, które Cię śledzą
       public: Publiczny
-      public_long: Widoczne dla wszystkich
+      public_long: Widoczny dla wszystkich użytkowników
       unlisted: Niewypisany
-      unlisted_long: Widoczne dla wszystkich, ale nie wyświetlane na publicznych osiach czasu
+      unlisted_long: Widoczny dla wszystkich, ale nie wyświetlany na publicznych osiach czasu
   stream_entries:
     click_to_show: Naciśnij aby wyświetlić
+    pinned: Przypięty wpis
     reblogged: podbił
     sensitive_content: Wrażliwa zawartość
   terms:
@@ -445,7 +460,7 @@ pl:
 
       <p>Podczas rejestracji, możesz otrzymać prośbę o podanie adresu e-mail. Możesz jednak odwiedzać stronę bez rejestracji. Adres zostanie zweryfikowany przez kliknięcie w link wysłany w wiadomości. Dzięki temu wiemy, że jesteś właścicielem tego adresu.</p>
 
-      <p>Podczas rejestracji i tworzenia postów, Twój adres IP jest zapisywany na naszych serwerach. Możemy też przechowywać adres IP użyty przy każdej operacji w serwisie.</p>
+      <p>Podczas rejestracji i tworzenia wpisów, Twój adres IP jest zapisywany na naszych serwerach. Możemy też przechowywać adres IP użyty przy każdej operacji w serwisie.</p>
 
       <h3 id="use">Jak wykorzystujemy zebrane informacje?</h3>
 
diff --git a/config/locales/ru.yml b/config/locales/ru.yml
index 0156f0e95..52cb71c60 100644
--- a/config/locales/ru.yml
+++ b/config/locales/ru.yml
@@ -193,7 +193,7 @@ ru:
       content: Проверка безопасности не удалась. Возможно, Вы блокируете cookies?
       title: Проверка безопасности не удалась.
     '429': Слишком много запросов
-    noscript: Для работы с Mastodon, пожалуйста, включите JavaScript.
+    noscript_html: Для работы с Mastodon, пожалуйста, включите JavaScript.
   exports:
     blocks: Список блокировки
     csv: CSV
@@ -278,9 +278,6 @@ ru:
       title: Вас упомянул(а) %{name}
     reblog:
       title: "%{name} продвинул(а) Ваш статус"
-    subscribed:
-      body: Теперь Вы можете получать push-уведомления.
-      title: Подписка зарегистрирована!
   remote_follow:
     acct: Введите username@domain, откуда Вы хотите подписаться
     missing_resource: Поиск требуемого перенаправления URL для Вашего аккаунта завершился неудачей
diff --git a/config/locales/simple_form.fr.yml b/config/locales/simple_form.fr.yml
index 8717a4abd..adfb1a875 100644
--- a/config/locales/simple_form.fr.yml
+++ b/config/locales/simple_form.fr.yml
@@ -12,6 +12,7 @@ fr:
         note:
           one: <span class="note-counter">1</span> caractère restant
           other: <span class="note-counter">%{count}</span> caractères restants
+        setting_noindex: Affecte votre profil public ainsi que vos statuts
       imports:
         data: Un fichier CSV généré par une autre instance de Mastodon
       sessions:
@@ -27,6 +28,7 @@ fr:
         data: Données
         display_name: Nom public
         email: Adresse courriel
+        filtered_languages: Langues filtrées
         header: Image d’en-tête
         locale: Langue
         locked: Verrouiller le compte
@@ -37,8 +39,11 @@ fr:
         setting_auto_play_gif: Lire automatiquement les GIFs animés
         setting_boost_modal: Afficher un dialogue de confirmation avant de partager
         setting_default_privacy: Confidentialité des statuts
+        setting_default_sensitive: Toujours marquer les médias comme sensibles
         setting_delete_modal: Afficher un dialogue de confirmation avant de supprimer un pouet
+        setting_noindex: Demander aux moteurs de recherche de ne pas indexer vos informations personnelles
         setting_system_font_ui: Utiliser la police par défaut du système
+        setting_unfollow_modal: Afficher un dialogue de confirmation avant de vous désabonner d’un compte
         severity: Séverité
         type: Type d’import
         username: Identifiant
diff --git a/config/locales/simple_form.pl.yml b/config/locales/simple_form.pl.yml
index 7e84472b9..e2eba3dd8 100644
--- a/config/locales/simple_form.pl.yml
+++ b/config/locales/simple_form.pl.yml
@@ -16,12 +16,13 @@ pl:
           many: Pozostało <span class="name-counter">%{count}</span> znaków
           one: Pozostał <span class="name-counter">1</span> znak.
           other: Pozostało <span class="name-counter">%{count}</span> znaków
+        setting_noindex: Wpływa na widoczność strony profilu i Twoich wpisów
       imports:
         data: Plik CSV wyeksportowany z innej instancji Mastodona
       sessions:
-        otp: Wprowadź kod weryfikacji dwuetapowej z telefonu lub wykorzystaj jeden z kodów zapasowych.
+        otp: Wprowadź kod weryfikacji dwuetapowej z telefonu lub wykorzystaj jeden z kodów zapasowych
       user:
-        filtered_languages: Wybrane języki nie będą się pojawiać na publicznych osiach czasu.
+        filtered_languages: Wpisy w wybranych językach nie będą pojawiać się na publicznych osiach czasu.
     labels:
       defaults:
         avatar: Awatar
@@ -41,25 +42,25 @@ pl:
         password: Hasło
         setting_auto_play_gif: Automatycznie odtwarzaj animowane GIFy
         setting_boost_modal: Pytaj o potwierdzenie przed podbiciem
-        setting_default_privacy: Widoczność posta
+        setting_default_privacy: Widoczność wpisów
         setting_default_sensitive: Zawsze oznaczaj zawartość multimedialną jako wrażliwą
-        setting_delete_modal: Pytaj o potwierdzenie przed usunięciem postu
+        setting_delete_modal: Pytaj o potwierdzenie przed usunięciem wpisu
         setting_noindex: Nie indeksuj mojego profilu w wyszukiwarkach internetowych
         setting_system_font_ui: Używaj domyślnej czcionki systemu
-        setting_unfollow_modal: Pytaj o potwierdzenie przed usunięciem śledzenia
+        setting_unfollow_modal: Pytaj o potwierdzenie przed cofnięciem śledzenia
         severity: Priorytet
         type: Typ importu
         username: Nazwa użytkownika
       interactions:
-        must_be_follower: Zablokuj powiadomienia od osób, które Cię nie śledzą
-        must_be_following: Zablokuj powiadomienia od osób, których nie śledzisz
+        must_be_follower: Nie wyświetlaj powiadomień od osób, które Cię nie śledzą
+        must_be_following: Nie wyświetlaj powiadomień od osób, których nie śledzisz
       notification_emails:
         digest: Wysyłaj podsumowania e-mailem
-        favourite: Powiadom mnie e-mailem gdy ktoś polubi mój status.
-        follow: Powiadom mnie e-mailem gdy ktoś zacznie mnie śledzić.
-        follow_request: Powiadom mnie e-mailem gdy ktoś poprosi o pozwolenie śledzenia mnie.
-        mention: Powiadom mnie e-mailem gdy ktoś mnie wspomni.
-        reblog: Powiadom mnie e-mailem gdy ktoś podbije mój status.
+        favourite: Powiadamiaj mnie e-mailem, gdy ktoś polubi mój wpis
+        follow: Powiadamiaj mnie e-mailem, gdy ktoś zacznie mnie śledzić
+        follow_request: Powiadamiaj mnie e-mailem, gdy ktoś poprosi o pozwolenie na śledzenie mnie
+        mention: Powiadamiaj mnie e-mailem, gdy ktoś o mnie wspomni
+        reblog: Powiadamiaj mnie e-mailem, gdy ktoś podbije mój wpis
     'no': Nie
     required:
       mark: "*"
diff --git a/config/navigation.rb b/config/navigation.rb
index 535d033f5..4b454b3fc 100644
--- a/config/navigation.rb
+++ b/config/navigation.rb
@@ -15,6 +15,10 @@ SimpleNavigation::Configuration.run do |navigation|
       settings.item :follower_domains, safe_join([fa_icon('users fw'), t('settings.followers')]), settings_follower_domains_url
     end
 
+    primary.item :development, safe_join([fa_icon('code fw'), t('settings.development')]), settings_applications_url do |development|
+      development.item :your_apps, safe_join([fa_icon('list fw'), t('settings.your_apps')]), settings_applications_url, highlights_on: %r{/settings/applications}
+    end
+
     primary.item :admin, safe_join([fa_icon('cogs fw'), t('admin.title')]), admin_reports_url, if: proc { current_user.admin? } do |admin|
       admin.item :reports, safe_join([fa_icon('flag fw'), t('admin.reports.title')]), admin_reports_url, highlights_on: %r{/admin/reports}
       admin.item :accounts, safe_join([fa_icon('users fw'), t('admin.accounts.title')]), admin_accounts_url, highlights_on: %r{/admin/accounts}
diff --git a/config/routes.rb b/config/routes.rb
index c60a8b131..2ff7e890a 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -20,6 +20,7 @@ Rails.application.routes.draw do
   get '.well-known/host-meta', to: 'well_known/host_meta#show', as: :host_meta, defaults: { format: 'xml' }
   get '.well-known/webfinger', to: 'well_known/webfinger#show', as: :webfinger
   get 'manifest', to: 'manifests#show', defaults: { format: 'json' }
+  get 'intent', to: 'intents#show'
 
   devise_for :users, path: 'auth', controllers: {
     sessions:           'auth/sessions',
@@ -43,6 +44,7 @@ Rails.application.routes.draw do
     resources :statuses, only: [:show] do
       member do
         get :activity
+        get :embed
       end
     end
 
@@ -51,10 +53,16 @@ Rails.application.routes.draw do
     resource :follow, only: [:create], controller: :account_follow
     resource :unfollow, only: [:create], controller: :account_unfollow
     resource :outbox, only: [:show], module: :activitypub
+    resource :inbox, only: [:create], module: :activitypub
   end
 
+  resource :inbox, only: [:create], module: :activitypub
+
   get '/@:username', to: 'accounts#show', as: :short_account
+  get '/@:username/with_replies', to: 'accounts#show', as: :short_account_with_replies
+  get '/@:username/media', to: 'accounts#show', as: :short_account_media
   get '/@:account_username/:id', to: 'statuses#show', as: :short_account_status
+  get '/@:account_username/:id/embed', to: 'statuses#embed', as: :embed_short_account_status
 
   namespace :settings do
     resource :profile, only: [:show, :update]
@@ -75,6 +83,13 @@ Rails.application.routes.draw do
     end
 
     resource :follower_domains, only: [:show, :update]
+
+    resources :applications, except: [:edit] do
+      member do
+        post :regenerate
+      end
+    end
+
     resource :delete, only: [:show, :destroy]
 
     resources :sessions, only: [:destroy]
@@ -85,12 +100,13 @@ Rails.application.routes.draw do
 
   # Remote follow
   resource :authorize_follow, only: [:show, :create]
+  resource :share, only: [:show, :create]
 
   namespace :admin do
     resources :subscriptions, only: [:index]
     resources :domain_blocks, only: [:index, :new, :create, :show, :destroy]
     resource :settings, only: [:edit, :update]
-    
+
     resources :instances, only: [:index] do
       collection do
         post :resubscribe
@@ -150,6 +166,9 @@ Rails.application.routes.draw do
 
           resource :mute, only: :create
           post :unmute, to: 'mutes#destroy'
+
+          resource :pin, only: :create
+          post :unpin, to: 'pins#destroy'
         end
 
         member do
@@ -163,7 +182,8 @@ Rails.application.routes.draw do
         resource :public, only: :show, controller: :public
         resources :tag, only: :show
       end
-      resources :streaming,  only: [:index]
+
+      resources :streaming, only: [:index]
 
       get '/search', to: 'search#index', as: :search
 
@@ -199,6 +219,7 @@ Rails.application.routes.draw do
         resource :search, only: :show, controller: :search
         resources :relationships, only: :index
       end
+
       resources :accounts, only: [:show] do
         resources :statuses, only: :index, controller: 'accounts/statuses'
         resources :followers, only: :index, controller: 'accounts/follower_accounts'
@@ -217,6 +238,7 @@ Rails.application.routes.draw do
 
     namespace :web do
       resource :settings, only: [:update]
+      resource :embed, only: [:create]
       resources :push_subscriptions, only: [:create] do
         member do
           put :update
@@ -234,7 +256,7 @@ Rails.application.routes.draw do
   root 'home#index'
 
   match '*unmatched_route',
-    via: :all,
-    to: 'application#raise_not_found',
-    format: false
+        via: :all,
+        to: 'application#raise_not_found',
+        format: false
 end
diff --git a/config/sidekiq.yml b/config/sidekiq.yml
index 8273c1201..a502f5593 100644
--- a/config/sidekiq.yml
+++ b/config/sidekiq.yml
@@ -21,3 +21,6 @@
   user_cleanup_scheduler:
     cron: '4 5 * * *'
     class: Scheduler::UserCleanupScheduler
+  subscriptions_cleanup_scheduler:
+    cron: '2 2 * * 0'
+    class: Scheduler::SubscriptionsCleanupScheduler
diff --git a/config/webpack/loaders/babel.js b/config/webpack/loaders/babel.js
index 05ef8431c..989a87dcf 100644
--- a/config/webpack/loaders/babel.js
+++ b/config/webpack/loaders/babel.js
@@ -1,5 +1,7 @@
 const { resolve } = require('path');
 
+const env = process.env.NODE_ENV || 'development';
+
 module.exports = {
   test: /\.js$/,
   // include react-intl because transform-react-remove-prop-types needs to apply to it
@@ -11,6 +13,6 @@ module.exports = {
   options: {
     forceEnv: process.env.NODE_ENV || 'development',
     sourceRoot: 'app/javascript',
-    cacheDirectory: resolve(__dirname, '..', '..', '..', 'tmp', 'cache', 'babel-loader'),
+    cacheDirectory: env === 'development' ? false : resolve(__dirname, '..', '..', '..', 'tmp', 'cache', 'babel-loader'),
   },
 };
diff --git a/db/migrate/20170427011934_re_add_owner_to_application.rb b/db/migrate/20170427011934_re_add_owner_to_application.rb
new file mode 100644
index 000000000..a41d71d2a
--- /dev/null
+++ b/db/migrate/20170427011934_re_add_owner_to_application.rb
@@ -0,0 +1,8 @@
+class ReAddOwnerToApplication < ActiveRecord::Migration[5.0]
+  def change
+    add_column :oauth_applications, :owner_id, :integer, null: true
+    add_column :oauth_applications, :owner_type, :string, null: true
+    add_index :oauth_applications, [:owner_id, :owner_type]
+    add_foreign_key :oauth_applications, :users, column: :owner_id, on_delete: :cascade
+  end
+end
diff --git a/db/migrate/20170823162448_create_status_pins.rb b/db/migrate/20170823162448_create_status_pins.rb
new file mode 100644
index 000000000..9a6d4a7b9
--- /dev/null
+++ b/db/migrate/20170823162448_create_status_pins.rb
@@ -0,0 +1,10 @@
+class CreateStatusPins < ActiveRecord::Migration[5.1]
+  def change
+    create_table :status_pins do |t|
+      t.belongs_to :account, foreign_key: { on_delete: :cascade }, null: false
+      t.belongs_to :status, foreign_key: { on_delete: :cascade }, null: false
+    end
+
+    add_index :status_pins, [:account_id, :status_id], unique: true
+  end
+end
diff --git a/db/migrate/20170824103029_add_timestamps_to_status_pins.rb b/db/migrate/20170824103029_add_timestamps_to_status_pins.rb
new file mode 100644
index 000000000..09f0fbeaf
--- /dev/null
+++ b/db/migrate/20170824103029_add_timestamps_to_status_pins.rb
@@ -0,0 +1,5 @@
+class AddTimestampsToStatusPins < ActiveRecord::Migration[5.1]
+  def change
+    add_timestamps :status_pins, null: false, default: -> { 'CURRENT_TIMESTAMP' }
+  end
+end
diff --git a/db/migrate/20170829215220_remove_status_pins_account_index.rb b/db/migrate/20170829215220_remove_status_pins_account_index.rb
new file mode 100644
index 000000000..e0144242e
--- /dev/null
+++ b/db/migrate/20170829215220_remove_status_pins_account_index.rb
@@ -0,0 +1,6 @@
+class RemoveStatusPinsAccountIndex < ActiveRecord::Migration[5.1]
+  def change
+    remove_index :status_pins, :account_id
+    remove_index :status_pins, :status_id
+  end
+end
diff --git a/db/migrate/20170901141119_truncate_preview_cards.rb b/db/migrate/20170901141119_truncate_preview_cards.rb
new file mode 100644
index 000000000..4d9802f3b
--- /dev/null
+++ b/db/migrate/20170901141119_truncate_preview_cards.rb
@@ -0,0 +1,30 @@
+class TruncatePreviewCards < ActiveRecord::Migration[5.1]
+  def up
+    rename_table :preview_cards, :deprecated_preview_cards
+
+    create_table :preview_cards do |t|
+      t.string     :url, default: '', null: false, index: { unique: true }
+      t.string     :title, default: '', null: false
+      t.string     :description, default: '', null: false
+      t.attachment :image
+      t.integer    :type, default: 0, null: false
+      t.text       :html, default: '', null: false
+      t.string     :author_name, default: '', null: false
+      t.string     :author_url, default: '', null: false
+      t.string     :provider_name, default: '', null: false
+      t.string     :provider_url, default: '', null: false
+      t.integer    :width, default: 0, null: false
+      t.integer    :height, default: 0, null: false
+      t.timestamps
+    end
+  end
+
+  def down
+    if ActiveRecord::Base.connection.table_exists? 'deprecated_preview_cards'
+      drop_table :preview_cards
+      rename_table :deprecated_preview_cards, :preview_cards
+    else
+      raise ActiveRecord::IrreversibleMigration, 'Previous preview cards table has already been removed'
+    end
+  end
+end
diff --git a/db/migrate/20170901142658_create_join_table_preview_cards_statuses.rb b/db/migrate/20170901142658_create_join_table_preview_cards_statuses.rb
new file mode 100644
index 000000000..be7f533b5
--- /dev/null
+++ b/db/migrate/20170901142658_create_join_table_preview_cards_statuses.rb
@@ -0,0 +1,7 @@
+class CreateJoinTablePreviewCardsStatuses < ActiveRecord::Migration[5.1]
+  def change
+    create_join_table :preview_cards, :statuses do |t|
+      t.index [:status_id, :preview_card_id]
+    end
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 2501e451d..c3a2581e3 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20170720000000) do
+ActiveRecord::Schema.define(version: 20170901142658) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -218,20 +218,20 @@ ActiveRecord::Schema.define(version: 20170720000000) do
     t.datetime "updated_at"
     t.boolean "superapp", default: false, null: false
     t.string "website"
+    t.integer "owner_id"
+    t.string "owner_type"
+    t.index ["owner_id", "owner_type"], name: "index_oauth_applications_on_owner_id_and_owner_type"
     t.index ["uid"], name: "index_oauth_applications_on_uid", unique: true
   end
 
-  create_table "preview_cards", id: :serial, force: :cascade do |t|
-    t.bigint "status_id"
+  create_table "preview_cards", force: :cascade do |t|
     t.string "url", default: "", null: false
-    t.string "title"
-    t.string "description"
+    t.string "title", default: "", null: false
+    t.string "description", default: "", null: false
     t.string "image_file_name"
     t.string "image_content_type"
     t.integer "image_file_size"
     t.datetime "image_updated_at"
-    t.datetime "created_at", null: false
-    t.datetime "updated_at", null: false
     t.integer "type", default: 0, null: false
     t.text "html", default: "", null: false
     t.string "author_name", default: "", null: false
@@ -240,7 +240,15 @@ ActiveRecord::Schema.define(version: 20170720000000) do
     t.string "provider_url", default: "", null: false
     t.integer "width", default: 0, null: false
     t.integer "height", default: 0, null: false
-    t.index ["status_id"], name: "index_preview_cards_on_status_id", unique: true
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["url"], name: "index_preview_cards_on_url", unique: true
+  end
+
+  create_table "preview_cards_statuses", id: false, force: :cascade do |t|
+    t.bigint "preview_card_id", null: false
+    t.bigint "status_id", null: false
+    t.index ["status_id", "preview_card_id"], name: "index_preview_cards_statuses_on_status_id_and_preview_card_id"
   end
 
   create_table "reports", id: :serial, force: :cascade do |t|
@@ -279,6 +287,14 @@ ActiveRecord::Schema.define(version: 20170720000000) do
     t.index ["thing_type", "thing_id", "var"], name: "index_settings_on_thing_type_and_thing_id_and_var", unique: true
   end
 
+  create_table "status_pins", force: :cascade do |t|
+    t.bigint "account_id", null: false
+    t.bigint "status_id", null: false
+    t.datetime "created_at", default: -> { "now()" }, null: false
+    t.datetime "updated_at", default: -> { "now()" }, null: false
+    t.index ["account_id", "status_id"], name: "index_status_pins_on_account_id_and_status_id", unique: true
+  end
+
   create_table "statuses", force: :cascade do |t|
     t.string "uri"
     t.integer "account_id", null: false
@@ -420,12 +436,14 @@ ActiveRecord::Schema.define(version: 20170720000000) do
   add_foreign_key "oauth_access_grants", "users", column: "resource_owner_id", on_delete: :cascade
   add_foreign_key "oauth_access_tokens", "oauth_applications", column: "application_id", on_delete: :cascade
   add_foreign_key "oauth_access_tokens", "users", column: "resource_owner_id", on_delete: :cascade
-  add_foreign_key "preview_cards", "statuses", on_delete: :cascade
+  add_foreign_key "oauth_applications", "users", column: "owner_id", on_delete: :cascade
   add_foreign_key "reports", "accounts", column: "action_taken_by_account_id", on_delete: :nullify
   add_foreign_key "reports", "accounts", column: "target_account_id", on_delete: :cascade
   add_foreign_key "reports", "accounts", on_delete: :cascade
   add_foreign_key "session_activations", "oauth_access_tokens", column: "access_token_id", on_delete: :cascade
   add_foreign_key "session_activations", "users", on_delete: :cascade
+  add_foreign_key "status_pins", "accounts", on_delete: :cascade
+  add_foreign_key "status_pins", "statuses", on_delete: :cascade
   add_foreign_key "statuses", "accounts", column: "in_reply_to_account_id", on_delete: :nullify
   add_foreign_key "statuses", "accounts", on_delete: :cascade
   add_foreign_key "statuses", "statuses", column: "in_reply_to_id", on_delete: :nullify
diff --git a/lib/json_ld/activitystreams.rb b/lib/json_ld/activitystreams.rb
new file mode 100644
index 000000000..ce740f93b
--- /dev/null
+++ b/lib/json_ld/activitystreams.rb
@@ -0,0 +1,153 @@
+# -*- encoding: utf-8 -*-
+# frozen_string_literal: true
+# This file generated automatically from https://www.w3.org/ns/activitystreams
+require 'json/ld'
+class JSON::LD::Context
+  add_preloaded("https://www.w3.org/ns/activitystreams") do
+    new(vocab: "_:", processingMode: "json-ld-1.0", term_definitions: {
+      "Accept" => TermDefinition.new("Accept", id: "https://www.w3.org/ns/activitystreams#Accept", simple: true),
+      "Activity" => TermDefinition.new("Activity", id: "https://www.w3.org/ns/activitystreams#Activity", simple: true),
+      "Add" => TermDefinition.new("Add", id: "https://www.w3.org/ns/activitystreams#Add", simple: true),
+      "Announce" => TermDefinition.new("Announce", id: "https://www.w3.org/ns/activitystreams#Announce", simple: true),
+      "Application" => TermDefinition.new("Application", id: "https://www.w3.org/ns/activitystreams#Application", simple: true),
+      "Arrive" => TermDefinition.new("Arrive", id: "https://www.w3.org/ns/activitystreams#Arrive", simple: true),
+      "Article" => TermDefinition.new("Article", id: "https://www.w3.org/ns/activitystreams#Article", simple: true),
+      "Audio" => TermDefinition.new("Audio", id: "https://www.w3.org/ns/activitystreams#Audio", simple: true),
+      "Block" => TermDefinition.new("Block", id: "https://www.w3.org/ns/activitystreams#Block", simple: true),
+      "Collection" => TermDefinition.new("Collection", id: "https://www.w3.org/ns/activitystreams#Collection", simple: true),
+      "CollectionPage" => TermDefinition.new("CollectionPage", id: "https://www.w3.org/ns/activitystreams#CollectionPage", simple: true),
+      "Create" => TermDefinition.new("Create", id: "https://www.w3.org/ns/activitystreams#Create", simple: true),
+      "Delete" => TermDefinition.new("Delete", id: "https://www.w3.org/ns/activitystreams#Delete", simple: true),
+      "Dislike" => TermDefinition.new("Dislike", id: "https://www.w3.org/ns/activitystreams#Dislike", simple: true),
+      "Document" => TermDefinition.new("Document", id: "https://www.w3.org/ns/activitystreams#Document", simple: true),
+      "Event" => TermDefinition.new("Event", id: "https://www.w3.org/ns/activitystreams#Event", simple: true),
+      "Flag" => TermDefinition.new("Flag", id: "https://www.w3.org/ns/activitystreams#Flag", simple: true),
+      "Follow" => TermDefinition.new("Follow", id: "https://www.w3.org/ns/activitystreams#Follow", simple: true),
+      "Group" => TermDefinition.new("Group", id: "https://www.w3.org/ns/activitystreams#Group", simple: true),
+      "Ignore" => TermDefinition.new("Ignore", id: "https://www.w3.org/ns/activitystreams#Ignore", simple: true),
+      "Image" => TermDefinition.new("Image", id: "https://www.w3.org/ns/activitystreams#Image", simple: true),
+      "IntransitiveActivity" => TermDefinition.new("IntransitiveActivity", id: "https://www.w3.org/ns/activitystreams#IntransitiveActivity", simple: true),
+      "Invite" => TermDefinition.new("Invite", id: "https://www.w3.org/ns/activitystreams#Invite", simple: true),
+      "IsContact" => TermDefinition.new("IsContact", id: "https://www.w3.org/ns/activitystreams#IsContact", simple: true),
+      "IsFollowedBy" => TermDefinition.new("IsFollowedBy", id: "https://www.w3.org/ns/activitystreams#IsFollowedBy", simple: true),
+      "IsFollowing" => TermDefinition.new("IsFollowing", id: "https://www.w3.org/ns/activitystreams#IsFollowing", simple: true),
+      "IsMember" => TermDefinition.new("IsMember", id: "https://www.w3.org/ns/activitystreams#IsMember", simple: true),
+      "Join" => TermDefinition.new("Join", id: "https://www.w3.org/ns/activitystreams#Join", simple: true),
+      "Leave" => TermDefinition.new("Leave", id: "https://www.w3.org/ns/activitystreams#Leave", simple: true),
+      "Like" => TermDefinition.new("Like", id: "https://www.w3.org/ns/activitystreams#Like", simple: true),
+      "Link" => TermDefinition.new("Link", id: "https://www.w3.org/ns/activitystreams#Link", simple: true),
+      "Listen" => TermDefinition.new("Listen", id: "https://www.w3.org/ns/activitystreams#Listen", simple: true),
+      "Mention" => TermDefinition.new("Mention", id: "https://www.w3.org/ns/activitystreams#Mention", simple: true),
+      "Move" => TermDefinition.new("Move", id: "https://www.w3.org/ns/activitystreams#Move", simple: true),
+      "Note" => TermDefinition.new("Note", id: "https://www.w3.org/ns/activitystreams#Note", simple: true),
+      "Object" => TermDefinition.new("Object", id: "https://www.w3.org/ns/activitystreams#Object", simple: true),
+      "Offer" => TermDefinition.new("Offer", id: "https://www.w3.org/ns/activitystreams#Offer", simple: true),
+      "OrderedCollection" => TermDefinition.new("OrderedCollection", id: "https://www.w3.org/ns/activitystreams#OrderedCollection", simple: true),
+      "OrderedCollectionPage" => TermDefinition.new("OrderedCollectionPage", id: "https://www.w3.org/ns/activitystreams#OrderedCollectionPage", simple: true),
+      "Organization" => TermDefinition.new("Organization", id: "https://www.w3.org/ns/activitystreams#Organization", simple: true),
+      "Page" => TermDefinition.new("Page", id: "https://www.w3.org/ns/activitystreams#Page", simple: true),
+      "Person" => TermDefinition.new("Person", id: "https://www.w3.org/ns/activitystreams#Person", simple: true),
+      "Place" => TermDefinition.new("Place", id: "https://www.w3.org/ns/activitystreams#Place", simple: true),
+      "Profile" => TermDefinition.new("Profile", id: "https://www.w3.org/ns/activitystreams#Profile", simple: true),
+      "Question" => TermDefinition.new("Question", id: "https://www.w3.org/ns/activitystreams#Question", simple: true),
+      "Read" => TermDefinition.new("Read", id: "https://www.w3.org/ns/activitystreams#Read", simple: true),
+      "Reject" => TermDefinition.new("Reject", id: "https://www.w3.org/ns/activitystreams#Reject", simple: true),
+      "Relationship" => TermDefinition.new("Relationship", id: "https://www.w3.org/ns/activitystreams#Relationship", simple: true),
+      "Remove" => TermDefinition.new("Remove", id: "https://www.w3.org/ns/activitystreams#Remove", simple: true),
+      "Service" => TermDefinition.new("Service", id: "https://www.w3.org/ns/activitystreams#Service", simple: true),
+      "TentativeAccept" => TermDefinition.new("TentativeAccept", id: "https://www.w3.org/ns/activitystreams#TentativeAccept", simple: true),
+      "TentativeReject" => TermDefinition.new("TentativeReject", id: "https://www.w3.org/ns/activitystreams#TentativeReject", simple: true),
+      "Tombstone" => TermDefinition.new("Tombstone", id: "https://www.w3.org/ns/activitystreams#Tombstone", simple: true),
+      "Travel" => TermDefinition.new("Travel", id: "https://www.w3.org/ns/activitystreams#Travel", simple: true),
+      "Undo" => TermDefinition.new("Undo", id: "https://www.w3.org/ns/activitystreams#Undo", simple: true),
+      "Update" => TermDefinition.new("Update", id: "https://www.w3.org/ns/activitystreams#Update", simple: true),
+      "Video" => TermDefinition.new("Video", id: "https://www.w3.org/ns/activitystreams#Video", simple: true),
+      "View" => TermDefinition.new("View", id: "https://www.w3.org/ns/activitystreams#View", simple: true),
+      "accuracy" => TermDefinition.new("accuracy", id: "https://www.w3.org/ns/activitystreams#accuracy", type_mapping: "http://www.w3.org/2001/XMLSchema#float"),
+      "actor" => TermDefinition.new("actor", id: "https://www.w3.org/ns/activitystreams#actor", type_mapping: "@id"),
+      "altitude" => TermDefinition.new("altitude", id: "https://www.w3.org/ns/activitystreams#altitude", type_mapping: "http://www.w3.org/2001/XMLSchema#float"),
+      "anyOf" => TermDefinition.new("anyOf", id: "https://www.w3.org/ns/activitystreams#anyOf", type_mapping: "@id"),
+      "as" => TermDefinition.new("as", id: "https://www.w3.org/ns/activitystreams#", simple: true, prefix: true),
+      "attachment" => TermDefinition.new("attachment", id: "https://www.w3.org/ns/activitystreams#attachment", type_mapping: "@id"),
+      "attributedTo" => TermDefinition.new("attributedTo", id: "https://www.w3.org/ns/activitystreams#attributedTo", type_mapping: "@id"),
+      "audience" => TermDefinition.new("audience", id: "https://www.w3.org/ns/activitystreams#audience", type_mapping: "@id"),
+      "bcc" => TermDefinition.new("bcc", id: "https://www.w3.org/ns/activitystreams#bcc", type_mapping: "@id"),
+      "bto" => TermDefinition.new("bto", id: "https://www.w3.org/ns/activitystreams#bto", type_mapping: "@id"),
+      "cc" => TermDefinition.new("cc", id: "https://www.w3.org/ns/activitystreams#cc", type_mapping: "@id"),
+      "closed" => TermDefinition.new("closed", id: "https://www.w3.org/ns/activitystreams#closed", type_mapping: "http://www.w3.org/2001/XMLSchema#dateTime"),
+      "content" => TermDefinition.new("content", id: "https://www.w3.org/ns/activitystreams#content", simple: true),
+      "contentMap" => TermDefinition.new("contentMap", id: "https://www.w3.org/ns/activitystreams#content", container_mapping: "@language"),
+      "context" => TermDefinition.new("context", id: "https://www.w3.org/ns/activitystreams#context", type_mapping: "@id"),
+      "current" => TermDefinition.new("current", id: "https://www.w3.org/ns/activitystreams#current", type_mapping: "@id"),
+      "deleted" => TermDefinition.new("deleted", id: "https://www.w3.org/ns/activitystreams#deleted", type_mapping: "http://www.w3.org/2001/XMLSchema#dateTime"),
+      "describes" => TermDefinition.new("describes", id: "https://www.w3.org/ns/activitystreams#describes", type_mapping: "@id"),
+      "duration" => TermDefinition.new("duration", id: "https://www.w3.org/ns/activitystreams#duration", type_mapping: "http://www.w3.org/2001/XMLSchema#duration"),
+      "endTime" => TermDefinition.new("endTime", id: "https://www.w3.org/ns/activitystreams#endTime", type_mapping: "http://www.w3.org/2001/XMLSchema#dateTime"),
+      "endpoints" => TermDefinition.new("endpoints", id: "https://www.w3.org/ns/activitystreams#endpoints", type_mapping: "@id"),
+      "first" => TermDefinition.new("first", id: "https://www.w3.org/ns/activitystreams#first", type_mapping: "@id"),
+      "followers" => TermDefinition.new("followers", id: "https://www.w3.org/ns/activitystreams#followers", type_mapping: "@id"),
+      "following" => TermDefinition.new("following", id: "https://www.w3.org/ns/activitystreams#following", type_mapping: "@id"),
+      "formerType" => TermDefinition.new("formerType", id: "https://www.w3.org/ns/activitystreams#formerType", type_mapping: "@id"),
+      "generator" => TermDefinition.new("generator", id: "https://www.w3.org/ns/activitystreams#generator", type_mapping: "@id"),
+      "height" => TermDefinition.new("height", id: "https://www.w3.org/ns/activitystreams#height", type_mapping: "http://www.w3.org/2001/XMLSchema#nonNegativeInteger"),
+      "href" => TermDefinition.new("href", id: "https://www.w3.org/ns/activitystreams#href", type_mapping: "@id"),
+      "hreflang" => TermDefinition.new("hreflang", id: "https://www.w3.org/ns/activitystreams#hreflang", simple: true),
+      "icon" => TermDefinition.new("icon", id: "https://www.w3.org/ns/activitystreams#icon", type_mapping: "@id"),
+      "id" => TermDefinition.new("id", id: "@id", simple: true),
+      "image" => TermDefinition.new("image", id: "https://www.w3.org/ns/activitystreams#image", type_mapping: "@id"),
+      "inReplyTo" => TermDefinition.new("inReplyTo", id: "https://www.w3.org/ns/activitystreams#inReplyTo", type_mapping: "@id"),
+      "inbox" => TermDefinition.new("inbox", id: "http://www.w3.org/ns/ldp#inbox", type_mapping: "@id"),
+      "instrument" => TermDefinition.new("instrument", id: "https://www.w3.org/ns/activitystreams#instrument", type_mapping: "@id"),
+      "items" => TermDefinition.new("items", id: "https://www.w3.org/ns/activitystreams#items", type_mapping: "@id"),
+      "last" => TermDefinition.new("last", id: "https://www.w3.org/ns/activitystreams#last", type_mapping: "@id"),
+      "latitude" => TermDefinition.new("latitude", id: "https://www.w3.org/ns/activitystreams#latitude", type_mapping: "http://www.w3.org/2001/XMLSchema#float"),
+      "ldp" => TermDefinition.new("ldp", id: "http://www.w3.org/ns/ldp#", simple: true, prefix: true),
+      "liked" => TermDefinition.new("liked", id: "https://www.w3.org/ns/activitystreams#liked", type_mapping: "@id"),
+      "location" => TermDefinition.new("location", id: "https://www.w3.org/ns/activitystreams#location", type_mapping: "@id"),
+      "longitude" => TermDefinition.new("longitude", id: "https://www.w3.org/ns/activitystreams#longitude", type_mapping: "http://www.w3.org/2001/XMLSchema#float"),
+      "mediaType" => TermDefinition.new("mediaType", id: "https://www.w3.org/ns/activitystreams#mediaType", simple: true),
+      "name" => TermDefinition.new("name", id: "https://www.w3.org/ns/activitystreams#name", simple: true),
+      "nameMap" => TermDefinition.new("nameMap", id: "https://www.w3.org/ns/activitystreams#name", container_mapping: "@language"),
+      "next" => TermDefinition.new("next", id: "https://www.w3.org/ns/activitystreams#next", type_mapping: "@id"),
+      "oauthAuthorizationEndpoint" => TermDefinition.new("oauthAuthorizationEndpoint", id: "https://www.w3.org/ns/activitystreams#oauthAuthorizationEndpoint", type_mapping: "@id"),
+      "oauthTokenEndpoint" => TermDefinition.new("oauthTokenEndpoint", id: "https://www.w3.org/ns/activitystreams#oauthTokenEndpoint", type_mapping: "@id"),
+      "object" => TermDefinition.new("object", id: "https://www.w3.org/ns/activitystreams#object", type_mapping: "@id"),
+      "oneOf" => TermDefinition.new("oneOf", id: "https://www.w3.org/ns/activitystreams#oneOf", type_mapping: "@id"),
+      "orderedItems" => TermDefinition.new("orderedItems", id: "https://www.w3.org/ns/activitystreams#items", type_mapping: "@id", container_mapping: "@list"),
+      "origin" => TermDefinition.new("origin", id: "https://www.w3.org/ns/activitystreams#origin", type_mapping: "@id"),
+      "outbox" => TermDefinition.new("outbox", id: "https://www.w3.org/ns/activitystreams#outbox", type_mapping: "@id"),
+      "partOf" => TermDefinition.new("partOf", id: "https://www.w3.org/ns/activitystreams#partOf", type_mapping: "@id"),
+      "preferredUsername" => TermDefinition.new("preferredUsername", id: "https://www.w3.org/ns/activitystreams#preferredUsername", simple: true),
+      "prev" => TermDefinition.new("prev", id: "https://www.w3.org/ns/activitystreams#prev", type_mapping: "@id"),
+      "preview" => TermDefinition.new("preview", id: "https://www.w3.org/ns/activitystreams#preview", type_mapping: "@id"),
+      "provideClientKey" => TermDefinition.new("provideClientKey", id: "https://www.w3.org/ns/activitystreams#provideClientKey", type_mapping: "@id"),
+      "proxyUrl" => TermDefinition.new("proxyUrl", id: "https://www.w3.org/ns/activitystreams#proxyUrl", type_mapping: "@id"),
+      "published" => TermDefinition.new("published", id: "https://www.w3.org/ns/activitystreams#published", type_mapping: "http://www.w3.org/2001/XMLSchema#dateTime"),
+      "radius" => TermDefinition.new("radius", id: "https://www.w3.org/ns/activitystreams#radius", type_mapping: "http://www.w3.org/2001/XMLSchema#float"),
+      "rel" => TermDefinition.new("rel", id: "https://www.w3.org/ns/activitystreams#rel", simple: true),
+      "relationship" => TermDefinition.new("relationship", id: "https://www.w3.org/ns/activitystreams#relationship", type_mapping: "@id"),
+      "replies" => TermDefinition.new("replies", id: "https://www.w3.org/ns/activitystreams#replies", type_mapping: "@id"),
+      "result" => TermDefinition.new("result", id: "https://www.w3.org/ns/activitystreams#result", type_mapping: "@id"),
+      "sharedInbox" => TermDefinition.new("sharedInbox", id: "https://www.w3.org/ns/activitystreams#sharedInbox", type_mapping: "@id"),
+      "signClientKey" => TermDefinition.new("signClientKey", id: "https://www.w3.org/ns/activitystreams#signClientKey", type_mapping: "@id"),
+      "source" => TermDefinition.new("source", id: "https://www.w3.org/ns/activitystreams#source", simple: true),
+      "startIndex" => TermDefinition.new("startIndex", id: "https://www.w3.org/ns/activitystreams#startIndex", type_mapping: "http://www.w3.org/2001/XMLSchema#nonNegativeInteger"),
+      "startTime" => TermDefinition.new("startTime", id: "https://www.w3.org/ns/activitystreams#startTime", type_mapping: "http://www.w3.org/2001/XMLSchema#dateTime"),
+      "streams" => TermDefinition.new("streams", id: "https://www.w3.org/ns/activitystreams#streams", type_mapping: "@id"),
+      "subject" => TermDefinition.new("subject", id: "https://www.w3.org/ns/activitystreams#subject", type_mapping: "@id"),
+      "summary" => TermDefinition.new("summary", id: "https://www.w3.org/ns/activitystreams#summary", simple: true),
+      "summaryMap" => TermDefinition.new("summaryMap", id: "https://www.w3.org/ns/activitystreams#summary", container_mapping: "@language"),
+      "tag" => TermDefinition.new("tag", id: "https://www.w3.org/ns/activitystreams#tag", type_mapping: "@id"),
+      "target" => TermDefinition.new("target", id: "https://www.w3.org/ns/activitystreams#target", type_mapping: "@id"),
+      "to" => TermDefinition.new("to", id: "https://www.w3.org/ns/activitystreams#to", type_mapping: "@id"),
+      "totalItems" => TermDefinition.new("totalItems", id: "https://www.w3.org/ns/activitystreams#totalItems", type_mapping: "http://www.w3.org/2001/XMLSchema#nonNegativeInteger"),
+      "type" => TermDefinition.new("type", id: "@type", simple: true),
+      "units" => TermDefinition.new("units", id: "https://www.w3.org/ns/activitystreams#units", simple: true),
+      "updated" => TermDefinition.new("updated", id: "https://www.w3.org/ns/activitystreams#updated", type_mapping: "http://www.w3.org/2001/XMLSchema#dateTime"),
+      "uploadMedia" => TermDefinition.new("uploadMedia", id: "https://www.w3.org/ns/activitystreams#uploadMedia", type_mapping: "@id"),
+      "url" => TermDefinition.new("url", id: "https://www.w3.org/ns/activitystreams#url", type_mapping: "@id"),
+      "width" => TermDefinition.new("width", id: "https://www.w3.org/ns/activitystreams#width", type_mapping: "http://www.w3.org/2001/XMLSchema#nonNegativeInteger"),
+      "xsd" => TermDefinition.new("xsd", id: "http://www.w3.org/2001/XMLSchema#", simple: true, prefix: true)
+    })
+  end
+end
diff --git a/lib/json_ld/identity.rb b/lib/json_ld/identity.rb
new file mode 100644
index 000000000..cfe50b956
--- /dev/null
+++ b/lib/json_ld/identity.rb
@@ -0,0 +1,86 @@
+# -*- encoding: utf-8 -*-
+# frozen_string_literal: true
+# This file generated automatically from https://w3id.org/identity/v1
+require 'json/ld'
+class JSON::LD::Context
+  add_preloaded("https://w3id.org/identity/v1") do
+    new(processingMode: "json-ld-1.0", term_definitions: {
+      "Credential" => TermDefinition.new("Credential", id: "https://w3id.org/credentials#Credential", simple: true),
+      "CryptographicKey" => TermDefinition.new("CryptographicKey", id: "https://w3id.org/security#Key", simple: true),
+      "CryptographicKeyCredential" => TermDefinition.new("CryptographicKeyCredential", id: "https://w3id.org/credentials#CryptographicKeyCredential", simple: true),
+      "EncryptedMessage" => TermDefinition.new("EncryptedMessage", id: "https://w3id.org/security#EncryptedMessage", simple: true),
+      "GraphSignature2012" => TermDefinition.new("GraphSignature2012", id: "https://w3id.org/security#GraphSignature2012", simple: true),
+      "Group" => TermDefinition.new("Group", id: "https://www.w3.org/ns/activitystreams#Group", simple: true),
+      "Identity" => TermDefinition.new("Identity", id: "https://w3id.org/identity#Identity", simple: true),
+      "LinkedDataSignature2015" => TermDefinition.new("LinkedDataSignature2015", id: "https://w3id.org/security#LinkedDataSignature2015", simple: true),
+      "Organization" => TermDefinition.new("Organization", id: "http://schema.org/Organization", simple: true),
+      "Person" => TermDefinition.new("Person", id: "http://schema.org/Person", simple: true),
+      "PostalAddress" => TermDefinition.new("PostalAddress", id: "http://schema.org/PostalAddress", simple: true),
+      "about" => TermDefinition.new("about", id: "http://schema.org/about", type_mapping: "@id"),
+      "accessControl" => TermDefinition.new("accessControl", id: "https://w3id.org/permissions#accessControl", type_mapping: "@id"),
+      "address" => TermDefinition.new("address", id: "http://schema.org/address", type_mapping: "@id"),
+      "addressCountry" => TermDefinition.new("addressCountry", id: "http://schema.org/addressCountry", simple: true),
+      "addressLocality" => TermDefinition.new("addressLocality", id: "http://schema.org/addressLocality", simple: true),
+      "addressRegion" => TermDefinition.new("addressRegion", id: "http://schema.org/addressRegion", simple: true),
+      "cipherAlgorithm" => TermDefinition.new("cipherAlgorithm", id: "https://w3id.org/security#cipherAlgorithm", simple: true),
+      "cipherData" => TermDefinition.new("cipherData", id: "https://w3id.org/security#cipherData", simple: true),
+      "cipherKey" => TermDefinition.new("cipherKey", id: "https://w3id.org/security#cipherKey", simple: true),
+      "claim" => TermDefinition.new("claim", id: "https://w3id.org/credentials#claim", type_mapping: "@id"),
+      "comment" => TermDefinition.new("comment", id: "http://www.w3.org/2000/01/rdf-schema#comment", simple: true),
+      "created" => TermDefinition.new("created", id: "http://purl.org/dc/terms/created", type_mapping: "http://www.w3.org/2001/XMLSchema#dateTime"),
+      "creator" => TermDefinition.new("creator", id: "http://purl.org/dc/terms/creator", type_mapping: "@id"),
+      "cred" => TermDefinition.new("cred", id: "https://w3id.org/credentials#", simple: true, prefix: true),
+      "credential" => TermDefinition.new("credential", id: "https://w3id.org/credentials#credential", type_mapping: "@id"),
+      "dc" => TermDefinition.new("dc", id: "http://purl.org/dc/terms/", simple: true, prefix: true),
+      "description" => TermDefinition.new("description", id: "http://schema.org/description", simple: true),
+      "digestAlgorithm" => TermDefinition.new("digestAlgorithm", id: "https://w3id.org/security#digestAlgorithm", simple: true),
+      "digestValue" => TermDefinition.new("digestValue", id: "https://w3id.org/security#digestValue", simple: true),
+      "domain" => TermDefinition.new("domain", id: "https://w3id.org/security#domain", simple: true),
+      "email" => TermDefinition.new("email", id: "http://schema.org/email", simple: true),
+      "expires" => TermDefinition.new("expires", id: "https://w3id.org/security#expiration", type_mapping: "http://www.w3.org/2001/XMLSchema#dateTime"),
+      "familyName" => TermDefinition.new("familyName", id: "http://schema.org/familyName", simple: true),
+      "givenName" => TermDefinition.new("givenName", id: "http://schema.org/givenName", simple: true),
+      "id" => TermDefinition.new("id", id: "@id", simple: true),
+      "identity" => TermDefinition.new("identity", id: "https://w3id.org/identity#", simple: true, prefix: true),
+      "identityService" => TermDefinition.new("identityService", id: "https://w3id.org/identity#identityService", type_mapping: "@id"),
+      "idp" => TermDefinition.new("idp", id: "https://w3id.org/identity#idp", type_mapping: "@id"),
+      "image" => TermDefinition.new("image", id: "http://schema.org/image", type_mapping: "@id"),
+      "initializationVector" => TermDefinition.new("initializationVector", id: "https://w3id.org/security#initializationVector", simple: true),
+      "issued" => TermDefinition.new("issued", id: "https://w3id.org/credentials#issued", type_mapping: "http://www.w3.org/2001/XMLSchema#dateTime"),
+      "issuer" => TermDefinition.new("issuer", id: "https://w3id.org/credentials#issuer", type_mapping: "@id"),
+      "label" => TermDefinition.new("label", id: "http://www.w3.org/2000/01/rdf-schema#label", simple: true),
+      "member" => TermDefinition.new("member", id: "http://schema.org/member", type_mapping: "@id"),
+      "memberOf" => TermDefinition.new("memberOf", id: "http://schema.org/memberOf", type_mapping: "@id"),
+      "name" => TermDefinition.new("name", id: "http://schema.org/name", simple: true),
+      "nonce" => TermDefinition.new("nonce", id: "https://w3id.org/security#nonce", simple: true),
+      "normalizationAlgorithm" => TermDefinition.new("normalizationAlgorithm", id: "https://w3id.org/security#normalizationAlgorithm", simple: true),
+      "owner" => TermDefinition.new("owner", id: "https://w3id.org/security#owner", type_mapping: "@id"),
+      "password" => TermDefinition.new("password", id: "https://w3id.org/security#password", simple: true),
+      "paymentProcessor" => TermDefinition.new("paymentProcessor", id: "https://w3id.org/payswarm#processor", simple: true),
+      "perm" => TermDefinition.new("perm", id: "https://w3id.org/permissions#", simple: true, prefix: true),
+      "postalCode" => TermDefinition.new("postalCode", id: "http://schema.org/postalCode", simple: true),
+      "preferences" => TermDefinition.new("preferences", id: "https://w3id.org/payswarm#preferences", type_mapping: "@vocab"),
+      "privateKey" => TermDefinition.new("privateKey", id: "https://w3id.org/security#privateKey", type_mapping: "@id"),
+      "privateKeyPem" => TermDefinition.new("privateKeyPem", id: "https://w3id.org/security#privateKeyPem", simple: true),
+      "ps" => TermDefinition.new("ps", id: "https://w3id.org/payswarm#", simple: true, prefix: true),
+      "publicKey" => TermDefinition.new("publicKey", id: "https://w3id.org/security#publicKey", type_mapping: "@id"),
+      "publicKeyPem" => TermDefinition.new("publicKeyPem", id: "https://w3id.org/security#publicKeyPem", simple: true),
+      "publicKeyService" => TermDefinition.new("publicKeyService", id: "https://w3id.org/security#publicKeyService", type_mapping: "@id"),
+      "rdf" => TermDefinition.new("rdf", id: "http://www.w3.org/1999/02/22-rdf-syntax-ns#", simple: true, prefix: true),
+      "rdfs" => TermDefinition.new("rdfs", id: "http://www.w3.org/2000/01/rdf-schema#", simple: true, prefix: true),
+      "recipient" => TermDefinition.new("recipient", id: "https://w3id.org/credentials#recipient", type_mapping: "@id"),
+      "revoked" => TermDefinition.new("revoked", id: "https://w3id.org/security#revoked", type_mapping: "http://www.w3.org/2001/XMLSchema#dateTime"),
+      "schema" => TermDefinition.new("schema", id: "http://schema.org/", simple: true, prefix: true),
+      "sec" => TermDefinition.new("sec", id: "https://w3id.org/security#", simple: true, prefix: true),
+      "signature" => TermDefinition.new("signature", id: "https://w3id.org/security#signature", simple: true),
+      "signatureAlgorithm" => TermDefinition.new("signatureAlgorithm", id: "https://w3id.org/security#signatureAlgorithm", simple: true),
+      "signatureValue" => TermDefinition.new("signatureValue", id: "https://w3id.org/security#signatureValue", simple: true),
+      "streetAddress" => TermDefinition.new("streetAddress", id: "http://schema.org/streetAddress", simple: true),
+      "title" => TermDefinition.new("title", id: "http://purl.org/dc/terms/title", simple: true),
+      "type" => TermDefinition.new("type", id: "@type", simple: true),
+      "url" => TermDefinition.new("url", id: "http://schema.org/url", type_mapping: "@id"),
+      "writePermission" => TermDefinition.new("writePermission", id: "https://w3id.org/permissions#writePermission", type_mapping: "@id"),
+      "xsd" => TermDefinition.new("xsd", id: "http://www.w3.org/2001/XMLSchema#", simple: true, prefix: true)
+    })
+  end
+end
diff --git a/lib/json_ld/security.rb b/lib/json_ld/security.rb
new file mode 100644
index 000000000..1230206f0
--- /dev/null
+++ b/lib/json_ld/security.rb
@@ -0,0 +1,50 @@
+# -*- encoding: utf-8 -*-
+# frozen_string_literal: true
+# This file generated automatically from https://w3id.org/security/v1
+require 'json/ld'
+class JSON::LD::Context
+  add_preloaded("https://w3id.org/security/v1") do
+    new(processingMode: "json-ld-1.0", term_definitions: {
+      "CryptographicKey" => TermDefinition.new("CryptographicKey", id: "https://w3id.org/security#Key", simple: true),
+      "EcdsaKoblitzSignature2016" => TermDefinition.new("EcdsaKoblitzSignature2016", id: "https://w3id.org/security#EcdsaKoblitzSignature2016", simple: true),
+      "EncryptedMessage" => TermDefinition.new("EncryptedMessage", id: "https://w3id.org/security#EncryptedMessage", simple: true),
+      "GraphSignature2012" => TermDefinition.new("GraphSignature2012", id: "https://w3id.org/security#GraphSignature2012", simple: true),
+      "LinkedDataSignature2015" => TermDefinition.new("LinkedDataSignature2015", id: "https://w3id.org/security#LinkedDataSignature2015", simple: true),
+      "LinkedDataSignature2016" => TermDefinition.new("LinkedDataSignature2016", id: "https://w3id.org/security#LinkedDataSignature2016", simple: true),
+      "authenticationTag" => TermDefinition.new("authenticationTag", id: "https://w3id.org/security#authenticationTag", simple: true),
+      "canonicalizationAlgorithm" => TermDefinition.new("canonicalizationAlgorithm", id: "https://w3id.org/security#canonicalizationAlgorithm", simple: true),
+      "cipherAlgorithm" => TermDefinition.new("cipherAlgorithm", id: "https://w3id.org/security#cipherAlgorithm", simple: true),
+      "cipherData" => TermDefinition.new("cipherData", id: "https://w3id.org/security#cipherData", simple: true),
+      "cipherKey" => TermDefinition.new("cipherKey", id: "https://w3id.org/security#cipherKey", simple: true),
+      "created" => TermDefinition.new("created", id: "http://purl.org/dc/terms/created", type_mapping: "http://www.w3.org/2001/XMLSchema#dateTime"),
+      "creator" => TermDefinition.new("creator", id: "http://purl.org/dc/terms/creator", type_mapping: "@id"),
+      "dc" => TermDefinition.new("dc", id: "http://purl.org/dc/terms/", simple: true, prefix: true),
+      "digestAlgorithm" => TermDefinition.new("digestAlgorithm", id: "https://w3id.org/security#digestAlgorithm", simple: true),
+      "digestValue" => TermDefinition.new("digestValue", id: "https://w3id.org/security#digestValue", simple: true),
+      "domain" => TermDefinition.new("domain", id: "https://w3id.org/security#domain", simple: true),
+      "encryptionKey" => TermDefinition.new("encryptionKey", id: "https://w3id.org/security#encryptionKey", simple: true),
+      "expiration" => TermDefinition.new("expiration", id: "https://w3id.org/security#expiration", type_mapping: "http://www.w3.org/2001/XMLSchema#dateTime"),
+      "expires" => TermDefinition.new("expires", id: "https://w3id.org/security#expiration", type_mapping: "http://www.w3.org/2001/XMLSchema#dateTime"),
+      "id" => TermDefinition.new("id", id: "@id", simple: true),
+      "initializationVector" => TermDefinition.new("initializationVector", id: "https://w3id.org/security#initializationVector", simple: true),
+      "iterationCount" => TermDefinition.new("iterationCount", id: "https://w3id.org/security#iterationCount", simple: true),
+      "nonce" => TermDefinition.new("nonce", id: "https://w3id.org/security#nonce", simple: true),
+      "normalizationAlgorithm" => TermDefinition.new("normalizationAlgorithm", id: "https://w3id.org/security#normalizationAlgorithm", simple: true),
+      "owner" => TermDefinition.new("owner", id: "https://w3id.org/security#owner", type_mapping: "@id"),
+      "password" => TermDefinition.new("password", id: "https://w3id.org/security#password", simple: true),
+      "privateKey" => TermDefinition.new("privateKey", id: "https://w3id.org/security#privateKey", type_mapping: "@id"),
+      "privateKeyPem" => TermDefinition.new("privateKeyPem", id: "https://w3id.org/security#privateKeyPem", simple: true),
+      "publicKey" => TermDefinition.new("publicKey", id: "https://w3id.org/security#publicKey", type_mapping: "@id"),
+      "publicKeyPem" => TermDefinition.new("publicKeyPem", id: "https://w3id.org/security#publicKeyPem", simple: true),
+      "publicKeyService" => TermDefinition.new("publicKeyService", id: "https://w3id.org/security#publicKeyService", type_mapping: "@id"),
+      "revoked" => TermDefinition.new("revoked", id: "https://w3id.org/security#revoked", type_mapping: "http://www.w3.org/2001/XMLSchema#dateTime"),
+      "salt" => TermDefinition.new("salt", id: "https://w3id.org/security#salt", simple: true),
+      "sec" => TermDefinition.new("sec", id: "https://w3id.org/security#", simple: true, prefix: true),
+      "signature" => TermDefinition.new("signature", id: "https://w3id.org/security#signature", simple: true),
+      "signatureAlgorithm" => TermDefinition.new("signatureAlgorithm", id: "https://w3id.org/security#signingAlgorithm", simple: true),
+      "signatureValue" => TermDefinition.new("signatureValue", id: "https://w3id.org/security#signatureValue", simple: true),
+      "type" => TermDefinition.new("type", id: "@type", simple: true),
+      "xsd" => TermDefinition.new("xsd", id: "http://www.w3.org/2001/XMLSchema#", simple: true, prefix: true)
+    })
+  end
+end
diff --git a/lib/mastodon/version.rb b/lib/mastodon/version.rb
index 381e9aac9..fcca875d9 100644
--- a/lib/mastodon/version.rb
+++ b/lib/mastodon/version.rb
@@ -31,5 +31,22 @@ module Mastodon
     def to_s
       [to_a.join('.'), flags].join
     end
+
+    def source_base_url
+      'https://github.com/tootsuite/mastodon'
+    end
+
+    # specify git tag or commit hash here
+    def source_tag
+      nil
+    end
+
+    def source_url
+      if source_tag
+        "#{source_base_url}/tree/#{source_tag}"
+      else
+        source_base_url
+      end
+    end
   end
 end
diff --git a/lib/tasks/mastodon.rake b/lib/tasks/mastodon.rake
index 226523554..f04201a3c 100644
--- a/lib/tasks/mastodon.rake
+++ b/lib/tasks/mastodon.rake
@@ -111,10 +111,7 @@ namespace :mastodon do
   namespace :push do
     desc 'Unsubscribes from PuSH updates of feeds nobody follows locally'
     task clear: :environment do
-      Account.remote.without_followers.where.not(subscription_expires_at: nil).find_each do |a|
-        Rails.logger.debug "PuSH unsubscribing from #{a.acct}"
-        UnsubscribeService.new.call(a)
-      end
+      Pubsubhubbub::UnsubscribeWorker.push_bulk(Account.remote.without_followers.where.not(subscription_expires_at: nil).pluck(:id))
     end
 
     desc 'Re-subscribes to soon expiring PuSH subscriptions (deprecated)'
@@ -273,5 +270,28 @@ namespace :mastodon do
       ActiveRecord::Base.connection.execute('UPDATE media_attachments SET account_id = NULL FROM media_attachments ma LEFT JOIN accounts a ON a.id = ma.account_id WHERE media_attachments.id = ma.id AND ma.account_id IS NOT NULL AND a.id IS NULL')
       ActiveRecord::Base.connection.execute('UPDATE reports SET action_taken_by_account_id = NULL FROM reports r LEFT JOIN accounts a ON a.id = r.action_taken_by_account_id WHERE reports.id = r.id AND r.action_taken_by_account_id IS NOT NULL AND a.id IS NULL')
     end
+
+    desc 'Remove deprecated preview cards'
+    task remove_deprecated_preview_cards: :environment do
+      return unless ActiveRecord::Base.connection.table_exists? 'deprecated_preview_cards'
+
+      class DeprecatedPreviewCard < PreviewCard
+        self.table_name = 'deprecated_preview_cards'
+      end
+
+      puts 'Delete records and associated files from deprecated preview cards? [y/N]: '
+      confirm = STDIN.gets.chomp
+
+      if confirm.casecmp?('y')
+        DeprecatedPreviewCard.in_batches.destroy_all
+
+        puts 'Drop deprecated preview cards table? [y/N]: '
+        confirm = STDIN.gets.chomp
+
+        if confirm.casecmp?('y')
+          ActiveRecord::Migration.drop_table :deprecated_preview_cards
+        end
+      end
+    end
   end
 end
diff --git a/spec/controllers/accounts_controller_spec.rb b/spec/controllers/accounts_controller_spec.rb
index d61c8c9bd..4e37b1b5f 100644
--- a/spec/controllers/accounts_controller_spec.rb
+++ b/spec/controllers/accounts_controller_spec.rb
@@ -10,6 +10,13 @@ RSpec.describe AccountsController, type: :controller do
     let!(:status2) { Status.create!(account: alice, text: 'Boop', thread: status1) }
     let!(:status3) { Status.create!(account: alice, text: 'Picture!') }
     let!(:status4) { Status.create!(account: alice, text: 'Mentioning @alice') }
+    let!(:status5) { Status.create!(account: alice, text: 'Kitsune') }
+    let!(:status6) { Status.create!(account: alice, text: 'Neko') }
+    let!(:status7) { Status.create!(account: alice, text: 'Tanuki') }
+
+    let!(:status_pin1) { StatusPin.create!(account: alice, status: status5, created_at: 5.days.ago) }
+    let!(:status_pin2) { StatusPin.create!(account: alice, status: status6, created_at: 2.years.ago) }
+    let!(:status_pin3) { StatusPin.create!(account: alice, status: status7, created_at: 10.minutes.ago) }
 
     before do
       status3.media_attachments.create!(account: alice, file: fixture_file_upload('files/attachment.jpg', 'image/jpeg'))
@@ -48,6 +55,10 @@ RSpec.describe AccountsController, type: :controller do
       it 'returns http success with Activity Streams 2.0' do
         expect(response).to have_http_status(:success)
       end
+
+      it 'returns application/activity+json' do
+        expect(response.content_type).to eq 'application/activity+json'
+      end
     end
 
     context 'html' do
@@ -66,6 +77,14 @@ RSpec.describe AccountsController, type: :controller do
         expect(statuses[1]).to eq status2
       end
 
+      it 'assigns @pinned_statuses' do
+        pinned_statuses = assigns(:pinned_statuses).to_a
+        expect(pinned_statuses.size).to eq 3
+        expect(pinned_statuses[0]).to eq status7
+        expect(pinned_statuses[1]).to eq status5
+        expect(pinned_statuses[2]).to eq status6
+      end
+
       it 'returns http success' do
         expect(response).to have_http_status(:success)
       end
diff --git a/spec/controllers/activitypub/inboxes_controller_spec.rb b/spec/controllers/activitypub/inboxes_controller_spec.rb
new file mode 100644
index 000000000..5c12fea7d
--- /dev/null
+++ b/spec/controllers/activitypub/inboxes_controller_spec.rb
@@ -0,0 +1,7 @@
+require 'rails_helper'
+
+RSpec.describe ActivityPub::InboxesController, type: :controller do
+  describe 'POST #create' do
+    pending
+  end
+end
diff --git a/spec/controllers/activitypub/outboxes_controller_spec.rb b/spec/controllers/activitypub/outboxes_controller_spec.rb
new file mode 100644
index 000000000..a25998021
--- /dev/null
+++ b/spec/controllers/activitypub/outboxes_controller_spec.rb
@@ -0,0 +1,23 @@
+require 'rails_helper'
+
+RSpec.describe ActivityPub::OutboxesController, type: :controller do
+  let!(:account) { Fabricate(:account) }
+
+  before do
+    Fabricate(:status, account: account)
+  end
+
+  describe 'GET #show' do
+    before do
+      get :show, params: { account_username: account.username }
+    end
+
+    it 'returns http success' do
+      expect(response).to have_http_status(:success)
+    end
+
+    it 'returns application/activity+json' do
+      expect(response.content_type).to eq 'application/activity+json'
+    end
+  end
+end
diff --git a/spec/controllers/api/oembed_controller_spec.rb b/spec/controllers/api/oembed_controller_spec.rb
index 43631a7e5..7af4a6a5b 100644
--- a/spec/controllers/api/oembed_controller_spec.rb
+++ b/spec/controllers/api/oembed_controller_spec.rb
@@ -8,6 +8,7 @@ RSpec.describe Api::OEmbedController, type: :controller do
 
   describe 'GET #show' do
     before do
+      request.host = Rails.configuration.x.local_domain
       get :show, params: { url: account_stream_entry_url(alice, status.stream_entry) }, format: :json
     end
 
diff --git a/spec/controllers/api/subscriptions_controller_spec.rb b/spec/controllers/api/subscriptions_controller_spec.rb
index 76f9740ca..d90da9e32 100644
--- a/spec/controllers/api/subscriptions_controller_spec.rb
+++ b/spec/controllers/api/subscriptions_controller_spec.rb
@@ -38,19 +38,19 @@ RSpec.describe Api::SubscriptionsController, type: :controller do
     before do
       stub_request(:post, "https://quitter.no/main/push/hub").to_return(:status => 200, :body => "", :headers => {})
       stub_request(:get, "https://quitter.no/avatar/7477-300-20160211190340.png").to_return(request_fixture('avatar.txt'))
-      stub_request(:head, "https://quitter.no/notice/1269244").to_return(status: 404)
-      stub_request(:head, "https://quitter.no/notice/1265331").to_return(status: 404)
-      stub_request(:head, "https://community.highlandarrow.com/notice/54411").to_return(status: 404)
-      stub_request(:head, "https://community.highlandarrow.com/notice/53857").to_return(status: 404)
-      stub_request(:head, "https://community.highlandarrow.com/notice/51852").to_return(status: 404)
-      stub_request(:head, "https://social.umeahackerspace.se/notice/424348").to_return(status: 404)
-      stub_request(:head, "https://community.highlandarrow.com/notice/50467").to_return(status: 404)
-      stub_request(:head, "https://quitter.no/notice/1243309").to_return(status: 404)
-      stub_request(:head, "https://quitter.no/user/7477").to_return(status: 404)
-      stub_request(:head, "https://community.highlandarrow.com/user/1").to_return(status: 404)
-      stub_request(:head, "https://social.umeahackerspace.se/user/2").to_return(status: 404)
-      stub_request(:head, "https://gs.kawa-kun.com/user/2").to_return(status: 404)
-      stub_request(:head, "https://mastodon.social/users/Gargron").to_return(status: 404)
+      stub_request(:get, "https://quitter.no/notice/1269244").to_return(status: 404)
+      stub_request(:get, "https://quitter.no/notice/1265331").to_return(status: 404)
+      stub_request(:get, "https://community.highlandarrow.com/notice/54411").to_return(status: 404)
+      stub_request(:get, "https://community.highlandarrow.com/notice/53857").to_return(status: 404)
+      stub_request(:get, "https://community.highlandarrow.com/notice/51852").to_return(status: 404)
+      stub_request(:get, "https://social.umeahackerspace.se/notice/424348").to_return(status: 404)
+      stub_request(:get, "https://community.highlandarrow.com/notice/50467").to_return(status: 404)
+      stub_request(:get, "https://quitter.no/notice/1243309").to_return(status: 404)
+      stub_request(:get, "https://quitter.no/user/7477").to_return(status: 404)
+      stub_request(:any, "https://community.highlandarrow.com/user/1").to_return(status: 404)
+      stub_request(:any, "https://social.umeahackerspace.se/user/2").to_return(status: 404)
+      stub_request(:any, "https://gs.kawa-kun.com/user/2").to_return(status: 404)
+      stub_request(:any, "https://mastodon.social/users/Gargron").to_return(status: 404)
 
       request.env['HTTP_X_HUB_SIGNATURE'] = "sha1=#{OpenSSL::HMAC.hexdigest('sha1', 'abc', feed)}"
       request.env['RAW_POST_DATA'] = feed
diff --git a/spec/controllers/api/v1/accounts/credentials_controller_spec.rb b/spec/controllers/api/v1/accounts/credentials_controller_spec.rb
index 3f655c7b2..461b8b34b 100644
--- a/spec/controllers/api/v1/accounts/credentials_controller_spec.rb
+++ b/spec/controllers/api/v1/accounts/credentials_controller_spec.rb
@@ -4,52 +4,79 @@ describe Api::V1::Accounts::CredentialsController do
   render_views
 
   let(:user)  { Fabricate(:user, account: Fabricate(:account, username: 'alice')) }
-  let(:token) { Fabricate(:accessible_access_token, resource_owner_id: user.id, scopes: 'write') }
+  let(:token) { Fabricate(:accessible_access_token, resource_owner_id: user.id, scopes: 'read write') }
 
-  before do
-    allow(controller).to receive(:doorkeeper_token) { token }
-  end
-
-  describe 'GET #show' do
-    it 'returns http success' do
-      get :show
-      expect(response).to have_http_status(:success)
+  context 'with an oauth token' do
+    before do
+      allow(controller).to receive(:doorkeeper_token) { token }
     end
-  end
-
-  describe 'PATCH #update' do
-    describe 'with valid data' do
-      before do
-        patch :update, params: {
-          display_name: "Alice Isn't Dead",
-          note: "Hi!\n\nToot toot!",
-          avatar: fixture_file_upload('files/avatar.gif', 'image/gif'),
-          header: fixture_file_upload('files/attachment.jpg', 'image/jpeg'),
-        }
-      end
 
+    describe 'GET #show' do
       it 'returns http success' do
+        get :show
         expect(response).to have_http_status(:success)
       end
+    end
+
+    describe 'PATCH #update' do
+      describe 'with valid data' do
+        before do
+          allow(ActivityPub::UpdateDistributionWorker).to receive(:perform_async)
+
+          patch :update, params: {
+            display_name: "Alice Isn't Dead",
+            note: "Hi!\n\nToot toot!",
+            avatar: fixture_file_upload('files/avatar.gif', 'image/gif'),
+            header: fixture_file_upload('files/attachment.jpg', 'image/jpeg'),
+          }
+        end
+
+        it 'returns http success' do
+          expect(response).to have_http_status(:success)
+        end
 
-      it 'updates account info' do
-        user.account.reload
+        it 'updates account info' do
+          user.account.reload
 
-        expect(user.account.display_name).to eq("Alice Isn't Dead")
-        expect(user.account.note).to eq("Hi!\n\nToot toot!")
-        expect(user.account.avatar).to exist
-        expect(user.account.header).to exist
+          expect(user.account.display_name).to eq("Alice Isn't Dead")
+          expect(user.account.note).to eq("Hi!\n\nToot toot!")
+          expect(user.account.avatar).to exist
+          expect(user.account.header).to exist
+        end
+
+        it 'queues up an account update distribution' do
+          expect(ActivityPub::UpdateDistributionWorker).to have_received(:perform_async).with(user.account_id)
+        end
+      end
+
+      describe 'with invalid data' do
+        before do
+          patch :update, params: { note: 'This is too long. ' * 10 }
+        end
+
+        it 'returns http unprocessable entity' do
+          expect(response).to have_http_status(:unprocessable_entity)
+        end
       end
     end
+  end
+
+  context 'without an oauth token' do
+    before do
+      allow(controller).to receive(:doorkeeper_token) { nil }
+    end
 
-    describe 'with invalid data' do
-      before do
-        # note length limit is 501, presently hardcoded, so give it 510 to fail
-        patch :update, params: { note: '1234567890' * 51 }
+    describe 'GET #show' do
+      it 'returns http unauthorized' do
+        get :show
+        expect(response).to have_http_status(:unauthorized)
       end
+    end
 
-      it 'returns http unprocessable entity' do
-        expect(response).to have_http_status(:unprocessable_entity)
+    describe 'PATCH #update' do
+      it 'returns http unauthorized' do
+        patch :update, params: { note: 'Foo' }
+        expect(response).to have_http_status(:unauthorized)
       end
     end
   end
diff --git a/spec/controllers/api/v1/accounts/relationships_controller_spec.rb b/spec/controllers/api/v1/accounts/relationships_controller_spec.rb
index 3a9607317..a9073b197 100644
--- a/spec/controllers/api/v1/accounts/relationships_controller_spec.rb
+++ b/spec/controllers/api/v1/accounts/relationships_controller_spec.rb
@@ -50,14 +50,14 @@ describe Api::V1::Accounts::RelationshipsController do
         json = body_as_json
 
         expect(json).to be_a Enumerable
-        expect(json.first[:id]).to be simon.id
+        expect(json.first[:id]).to eq simon.id
         expect(json.first[:following]).to be true
         expect(json.first[:followed_by]).to be false
         expect(json.first[:muting]).to be false
         expect(json.first[:requested]).to be false
         expect(json.first[:domain_blocking]).to be false
 
-        expect(json.second[:id]).to be lewis.id
+        expect(json.second[:id]).to eq lewis.id
         expect(json.second[:following]).to be false
         expect(json.second[:followed_by]).to be true
         expect(json.second[:muting]).to be false
diff --git a/spec/controllers/api/v1/accounts/statuses_controller_spec.rb b/spec/controllers/api/v1/accounts/statuses_controller_spec.rb
index 8b4fd6a5b..c49a77ac3 100644
--- a/spec/controllers/api/v1/accounts/statuses_controller_spec.rb
+++ b/spec/controllers/api/v1/accounts/statuses_controller_spec.rb
@@ -18,21 +18,37 @@ describe Api::V1::Accounts::StatusesController do
       expect(response).to have_http_status(:success)
       expect(response.headers['Link'].links.size).to eq(2)
     end
-  end
 
-  describe 'GET #index with only media' do
-    it 'returns http success' do
-      get :index, params: { account_id: user.account.id, only_media: true }
+    context 'with only media' do
+      it 'returns http success' do
+        get :index, params: { account_id: user.account.id, only_media: true }
 
-      expect(response).to have_http_status(:success)
+        expect(response).to have_http_status(:success)
+      end
     end
-  end
 
-  describe 'GET #index with exclude replies' do
-    it 'returns http success' do
-      get :index, params: { account_id: user.account.id, exclude_replies: true }
+    context 'with exclude replies' do
+      before do
+        Fabricate(:status, account: user.account, thread: Fabricate(:status))
+      end
 
-      expect(response).to have_http_status(:success)
+      it 'returns http success' do
+        get :index, params: { account_id: user.account.id, exclude_replies: true }
+
+        expect(response).to have_http_status(:success)
+      end
+    end
+
+    context 'with only pinned' do
+      before do
+        Fabricate(:status_pin, account: user.account, status: Fabricate(:status, account: user.account))
+      end
+
+      it 'returns http success' do
+        get :index, params: { account_id: user.account.id, pinned: true }
+
+        expect(response).to have_http_status(:success)
+      end
     end
   end
 end
diff --git a/spec/controllers/api/v1/favourites_controller_spec.rb b/spec/controllers/api/v1/favourites_controller_spec.rb
index 3de045377..46cf70f4d 100644
--- a/spec/controllers/api/v1/favourites_controller_spec.rb
+++ b/spec/controllers/api/v1/favourites_controller_spec.rb
@@ -70,8 +70,7 @@ RSpec.describe Api::V1::FavouritesController, type: :controller do
         it 'does not add pagination headers if not necessary' do
           get :index
 
-          expect(response.headers['Link'].find_link(['rel', 'next'])).to eq nil
-          expect(response.headers['Link'].find_link(['rel', 'prev'])).to eq nil
+          expect(response.headers['Link']).to eq nil
         end
       end
     end
diff --git a/spec/controllers/api/v1/statuses/pins_controller_spec.rb b/spec/controllers/api/v1/statuses/pins_controller_spec.rb
new file mode 100644
index 000000000..2e170da24
--- /dev/null
+++ b/spec/controllers/api/v1/statuses/pins_controller_spec.rb
@@ -0,0 +1,57 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+describe Api::V1::Statuses::PinsController do
+  render_views
+
+  let(:user)  { Fabricate(:user, account: Fabricate(:account, username: 'alice')) }
+  let(:app)   { Fabricate(:application, name: 'Test app', website: 'http://testapp.com') }
+  let(:token) { Fabricate(:accessible_access_token, resource_owner_id: user.id, scopes: 'write', application: app) }
+
+  context 'with an oauth token' do
+    before do
+      allow(controller).to receive(:doorkeeper_token) { token }
+    end
+
+    describe 'POST #create' do
+      let(:status) { Fabricate(:status, account: user.account) }
+
+      before do
+        post :create, params: { status_id: status.id }
+      end
+
+      it 'returns http success' do
+        expect(response).to have_http_status(:success)
+      end
+
+      it 'updates the pinned attribute' do
+        expect(user.account.pinned?(status)).to be true
+      end
+
+      it 'return json with updated attributes' do
+        hash_body = body_as_json
+
+        expect(hash_body[:id]).to eq status.id
+        expect(hash_body[:pinned]).to be true
+      end
+    end
+
+    describe 'POST #destroy' do
+      let(:status) { Fabricate(:status, account: user.account) }
+
+      before do
+        Fabricate(:status_pin, status: status, account: user.account)
+        post :destroy, params: { status_id: status.id }
+      end
+
+      it 'returns http success' do
+        expect(response).to have_http_status(:success)
+      end
+
+      it 'updates the pinned attribute' do
+        expect(user.account.pinned?(status)).to be false
+      end
+    end
+  end
+end
diff --git a/spec/controllers/concerns/account_controller_concern_spec.rb b/spec/controllers/concerns/account_controller_concern_spec.rb
index bdc181edc..ae46f9ba6 100644
--- a/spec/controllers/concerns/account_controller_concern_spec.rb
+++ b/spec/controllers/concerns/account_controller_concern_spec.rb
@@ -33,7 +33,7 @@ describe ApplicationController, type: :controller do
     it 'sets link headers' do
       account = Fabricate(:account, username: 'username')
       get 'success', params: { account_username: 'username' }
-      expect(response.headers['Link'].to_s).to eq '<http://test.host/.well-known/webfinger?resource=acct%3Ausername%40cb6e6126.ngrok.io>; rel="lrdd"; type="application/xrd+xml", <http://test.host/users/username.atom>; rel="alternate"; type="application/atom+xml"'
+      expect(response.headers['Link'].to_s).to eq '<http://test.host/.well-known/webfinger?resource=acct%3Ausername%40cb6e6126.ngrok.io>; rel="lrdd"; type="application/xrd+xml", <http://test.host/users/username.atom>; rel="alternate"; type="application/atom+xml", <https://cb6e6126.ngrok.io/users/username>; rel="alternate"; type="application/activity+json"'
     end
 
     it 'returns http success' do
diff --git a/spec/controllers/concerns/signature_verification_spec.rb b/spec/controllers/concerns/signature_verification_spec.rb
index b371795ab..64648621e 100644
--- a/spec/controllers/concerns/signature_verification_spec.rb
+++ b/spec/controllers/concerns/signature_verification_spec.rb
@@ -16,7 +16,7 @@ describe ApplicationController, type: :controller do
   end
 
   before do
-    routes.draw { get 'success' => 'anonymous#success' }
+    routes.draw { match via: [:get, :post], 'success' => 'anonymous#success' }
   end
 
   context 'without signature header' do
@@ -40,34 +40,74 @@ describe ApplicationController, type: :controller do
   context 'with signature header' do
     let!(:author) { Fabricate(:account) }
 
-    before do
-      get :success
+    context 'without body' do
+      before do
+        get :success
 
-      fake_request = Request.new(:get, request.url)
-      fake_request.on_behalf_of(author)
+        fake_request = Request.new(:get, request.url)
+        fake_request.on_behalf_of(author)
 
-      request.headers.merge!(fake_request.headers)
-    end
+        request.headers.merge!(fake_request.headers)
+      end
 
-    describe '#signed_request?' do
-      it 'returns true' do
-        expect(controller.signed_request?).to be true
+      describe '#signed_request?' do
+        it 'returns true' do
+          expect(controller.signed_request?).to be true
+        end
+      end
+
+      describe '#signed_request_account' do
+        it 'returns an account' do
+          expect(controller.signed_request_account).to eq author
+        end
+
+        it 'returns nil when path does not match' do
+          request.path = '/alternative-path'
+          expect(controller.signed_request_account).to be_nil
+        end
+
+        it 'returns nil when method does not match' do
+          post :success
+          expect(controller.signed_request_account).to be_nil
+        end
       end
     end
 
-    describe '#signed_request_account' do
-      it 'returns an account' do
-        expect(controller.signed_request_account).to eq author
+    context 'with body' do
+      before do
+        post :success, body: 'Hello world'
+
+        fake_request = Request.new(:post, request.url, body: 'Hello world')
+        fake_request.on_behalf_of(author)
+
+        request.headers.merge!(fake_request.headers)
       end
 
-      it 'returns nil when path does not match' do
-        request.path = '/alternative-path'
-        expect(controller.signed_request_account).to be_nil
+      describe '#signed_request?' do
+        it 'returns true' do
+          expect(controller.signed_request?).to be true
+        end
       end
 
-      it 'returns nil when method does not match' do
-        post :success
-        expect(controller.signed_request_account).to be_nil
+      describe '#signed_request_account' do
+        it 'returns an account' do
+          expect(controller.signed_request_account).to eq author
+        end
+
+        it 'returns nil when path does not match' do
+          request.path = '/alternative-path'
+          expect(controller.signed_request_account).to be_nil
+        end
+
+        it 'returns nil when method does not match' do
+          get :success
+          expect(controller.signed_request_account).to be_nil
+        end
+
+        it 'returns nil when body has been tampered' do
+          request.headers['RAW_POST_DATA'] = 'doo doo doo'
+          expect(controller.signed_request_account).to be_nil
+        end
       end
     end
   end
diff --git a/spec/controllers/remote_follow_controller_spec.rb b/spec/controllers/remote_follow_controller_spec.rb
index 915c86f8e..86b1eb8d0 100644
--- a/spec/controllers/remote_follow_controller_spec.rb
+++ b/spec/controllers/remote_follow_controller_spec.rb
@@ -87,6 +87,14 @@ describe RemoteFollowController do
         expect(response).to render_template(:new)
         expect(response.body).to include(I18n.t('remote_follow.missing_resource'))
       end
+
+      it 'renders new when occur HTTP::ConnectionError' do
+        allow(Goldfinger).to receive(:finger).with('acct:user@unknown').and_raise(HTTP::ConnectionError)
+        post :create, params: { account_username: @account.to_param, remote_follow: { acct: 'user@unknown' } }
+
+        expect(response).to render_template(:new)
+        expect(response.body).to include(I18n.t('remote_follow.missing_resource'))
+      end
     end
   end
 
diff --git a/spec/controllers/settings/applications_controller_spec.rb b/spec/controllers/settings/applications_controller_spec.rb
new file mode 100644
index 000000000..ca66f8d23
--- /dev/null
+++ b/spec/controllers/settings/applications_controller_spec.rb
@@ -0,0 +1,188 @@
+require 'rails_helper'
+
+describe Settings::ApplicationsController do
+  render_views
+  
+  let!(:user) { Fabricate(:user) }
+  let!(:app) { Fabricate(:application, owner: user) }
+  
+  before do
+    sign_in user, scope: :user
+  end
+
+  describe 'GET #index' do
+    let!(:other_app) { Fabricate(:application) }
+
+    it 'shows apps' do
+      get :index
+      expect(response).to have_http_status(:success)
+      expect(assigns(:applications)).to include(app)
+      expect(assigns(:applications)).to_not include(other_app)
+    end
+  end
+
+  
+  describe 'GET #show' do
+    it 'returns http success' do
+      get :show, params: { id: app.id }
+      expect(response).to have_http_status(:success)
+      expect(assigns[:application]).to eql(app)
+    end
+
+    it 'returns 404 if you dont own app' do
+      app.update!(owner: nil)
+
+      get :show, params: { id: app.id }
+      expect(response.status).to eq 404
+    end
+  end
+
+  describe 'GET #new' do
+    it 'works' do
+      get :new
+      expect(response).to have_http_status(:success)
+    end
+  end
+
+  describe 'POST #create' do
+    context 'success (passed scopes as a String)' do
+      def call_create
+        post :create, params: {
+               doorkeeper_application: {
+                 name: 'My New App',
+                 redirect_uri: 'urn:ietf:wg:oauth:2.0:oob',
+                 website: 'http://google.com',
+                 scopes: 'read write follow'
+               }
+             }
+        response
+      end
+
+      it 'creates an entry in the database' do
+        expect { call_create }.to change(Doorkeeper::Application, :count)
+      end
+
+      it 'redirects back to applications page' do
+        expect(call_create).to redirect_to(settings_applications_path)
+      end
+    end
+
+    context 'success (passed scopes as an Array)' do
+      def call_create
+        post :create, params: {
+               doorkeeper_application: {
+                 name: 'My New App',
+                 redirect_uri: 'urn:ietf:wg:oauth:2.0:oob',
+                 website: 'http://google.com',
+                 scopes: [ 'read', 'write', 'follow' ]
+               }
+             }
+        response
+      end
+
+      it 'creates an entry in the database' do
+        expect { call_create }.to change(Doorkeeper::Application, :count)
+      end
+
+      it 'redirects back to applications page' do
+        expect(call_create).to redirect_to(settings_applications_path)
+      end
+    end
+
+    context 'failure' do
+      before do
+        post :create, params: {
+               doorkeeper_application: {
+                 name: '',
+                 redirect_uri: '',
+                 website: '',
+                 scopes: []
+               }
+             }
+      end
+
+      it 'returns http success' do
+        expect(response).to have_http_status(:success)
+      end
+
+      it 'renders form again' do
+        expect(response).to render_template(:new)
+      end
+    end
+  end
+  
+  describe 'PATCH #update' do
+    context 'success' do
+      let(:opts) {
+        {
+          website: 'https://foo.bar/'
+        }
+      }
+
+      def call_update
+        patch :update, params: {
+                id: app.id,
+                doorkeeper_application: opts
+              }
+        response
+      end
+
+      it 'updates existing application' do
+        call_update
+        expect(app.reload.website).to eql(opts[:website])
+      end
+      
+      it 'redirects back to applications page' do
+        expect(call_update).to redirect_to(settings_applications_path)
+      end
+    end
+
+    context 'failure' do
+      before do
+        patch :update, params: {
+                id: app.id,
+                doorkeeper_application: {
+                  name: '',
+                  redirect_uri: '',
+                  website: '',
+                  scopes: []
+                }
+              }
+      end
+
+      it 'returns http success' do
+        expect(response).to have_http_status(:success)
+      end
+
+      it 'renders form again' do
+        expect(response).to render_template(:show)
+      end
+    end
+  end
+
+  describe 'destroy' do
+    before do
+      post :destroy, params: { id: app.id }
+    end
+
+    it 'redirects back to applications page' do
+      expect(response).to redirect_to(settings_applications_path)
+    end
+
+    it 'removes the app' do
+      expect(Doorkeeper::Application.find_by(id: app.id)).to be_nil
+    end
+  end
+
+  describe 'regenerate' do
+    let(:token) { user.token_for_app(app) }
+    before do
+      expect(token).to_not be_nil
+      post :regenerate, params: { id: app.id }
+    end
+
+    it 'should create new token' do
+      expect(user.token_for_app(app)).to_not eql(token)
+    end
+  end
+end
diff --git a/spec/controllers/settings/profiles_controller_spec.rb b/spec/controllers/settings/profiles_controller_spec.rb
index e502dbda7..ee3315be6 100644
--- a/spec/controllers/settings/profiles_controller_spec.rb
+++ b/spec/controllers/settings/profiles_controller_spec.rb
@@ -17,11 +17,13 @@ RSpec.describe Settings::ProfilesController, type: :controller do
 
   describe 'PUT #update' do
     it 'updates the user profile' do
+      allow(ActivityPub::UpdateDistributionWorker).to receive(:perform_async)
       account = Fabricate(:account, user: @user, display_name: 'Old name')
 
       put :update, params: { account: { display_name: 'New name' } }
       expect(account.reload.display_name).to eq 'New name'
       expect(response).to redirect_to(settings_profile_path)
+      expect(ActivityPub::UpdateDistributionWorker).to have_received(:perform_async).with(account.id)
     end
   end
 end
diff --git a/spec/controllers/statuses_controller_spec.rb b/spec/controllers/statuses_controller_spec.rb
index 88d365624..95fb4d594 100644
--- a/spec/controllers/statuses_controller_spec.rb
+++ b/spec/controllers/statuses_controller_spec.rb
@@ -30,6 +30,18 @@ describe StatusesController do
       end
     end
 
+    context 'status is a reblog' do
+      it 'redirects to the original status' do
+        original_account = Fabricate(:account, domain: 'example.com')
+        original_status = Fabricate(:status, account: original_account, uri: 'tag:example.com,2017:foo', url: 'https://example.com/123')
+        status = Fabricate(:status, reblog: original_status)
+
+        get :show, params: { account_username: status.account.username, id: status.id }
+
+        expect(response).to redirect_to(original_status.url)
+      end
+    end
+
     context 'account is not suspended and status is permitted' do
       it 'assigns @account' do
         status = Fabricate(:status)
diff --git a/spec/controllers/stream_entries_controller_spec.rb b/spec/controllers/stream_entries_controller_spec.rb
index 2cc428e0c..f81e2be7b 100644
--- a/spec/controllers/stream_entries_controller_spec.rb
+++ b/spec/controllers/stream_entries_controller_spec.rb
@@ -21,7 +21,7 @@ RSpec.describe StreamEntriesController, type: :controller do
 
         get route, params: { account_username: alice.username, id: status.stream_entry.id }
 
-        expect(response.headers['Link'].to_s).to eq "<http://test.host/users/alice/updates/#{status.stream_entry.id}.atom>; rel=\"alternate\"; type=\"application/atom+xml\""
+        expect(response.headers['Link'].to_s).to eq "<http://test.host/users/alice/updates/#{status.stream_entry.id}.atom>; rel=\"alternate\"; type=\"application/atom+xml\", <https://cb6e6126.ngrok.io/users/alice/statuses/#{status.id}>; rel=\"alternate\"; type=\"application/activity+json\""
       end
     end
 
@@ -88,14 +88,12 @@ RSpec.describe StreamEntriesController, type: :controller do
   describe 'GET #embed' do
     include_examples 'before_action', :embed
 
-    it 'returns embedded view of status' do
+    it 'redirects to new embed page' do
       status = Fabricate(:status)
 
       get :embed, params: { account_username: status.account.username, id: status.stream_entry.id }
 
-      expect(response).to have_http_status(:success)
-      expect(response.headers['X-Frame-Options']).to eq 'ALLOWALL'
-      expect(response).to render_template(layout: 'embedded')
+      expect(response).to redirect_to(embed_short_account_status_url(status.account, status))
     end
   end
 end
diff --git a/spec/fabricators/status_pin_fabricator.rb b/spec/fabricators/status_pin_fabricator.rb
new file mode 100644
index 000000000..6a9006c9f
--- /dev/null
+++ b/spec/fabricators/status_pin_fabricator.rb
@@ -0,0 +1,4 @@
+Fabricator(:status_pin) do
+  account
+  status
+end
diff --git a/spec/helpers/jsonld_helper_spec.rb b/spec/helpers/jsonld_helper_spec.rb
new file mode 100644
index 000000000..7d3912e6c
--- /dev/null
+++ b/spec/helpers/jsonld_helper_spec.rb
@@ -0,0 +1,35 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+describe JsonLdHelper do
+  describe '#equals_or_includes?' do
+    it 'returns true when value equals' do
+      expect(helper.equals_or_includes?('foo', 'foo')).to be true
+    end
+
+    it 'returns false when value does not equal' do
+      expect(helper.equals_or_includes?('foo', 'bar')).to be false
+    end
+
+    it 'returns true when value is included' do
+      expect(helper.equals_or_includes?(%w(foo baz), 'foo')).to be true
+    end
+
+    it 'returns false when value is not included' do
+      expect(helper.equals_or_includes?(%w(foo baz), 'bar')).to be false
+    end
+  end
+
+  describe '#first_of_value' do
+    pending
+  end
+
+  describe '#supported_context?' do
+    pending
+  end
+
+  describe '#fetch_resource' do
+    pending
+  end
+end
diff --git a/spec/helpers/routing_helper_spec.rb b/spec/helpers/routing_helper_spec.rb
new file mode 100644
index 000000000..940392c9b
--- /dev/null
+++ b/spec/helpers/routing_helper_spec.rb
@@ -0,0 +1,43 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe RoutingHelper, type: :helper do
+  describe '.full_asset_url' do
+    around do |example|
+      use_s3 = Rails.configuration.x.use_s3
+      example.run
+      Rails.configuration.x.use_s3 = use_s3
+    end
+
+    shared_examples 'returns full path URL' do
+      it 'with host' do
+        url = helper.full_asset_url('https://example.com/avatars/000/000/002/original/icon.png')
+
+        expect(url).to eq 'https://example.com/avatars/000/000/002/original/icon.png'
+      end
+
+      it 'without host' do
+        url = helper.full_asset_url('/avatars/original/missing.png', skip_pipeline: true)
+
+        expect(url).to eq 'http://test.host/avatars/original/missing.png'
+      end
+    end
+
+    context 'Do not use S3' do
+      before do
+        Rails.configuration.x.use_s3 = false
+      end
+
+      it_behaves_like 'returns full path URL'
+    end
+
+    context 'Use S3' do
+      before do
+        Rails.configuration.x.use_s3 = true
+      end
+
+      it_behaves_like 'returns full path URL'
+    end
+  end
+end
diff --git a/spec/lib/activitypub/activity/accept_spec.rb b/spec/lib/activitypub/activity/accept_spec.rb
new file mode 100644
index 000000000..6503c83e3
--- /dev/null
+++ b/spec/lib/activitypub/activity/accept_spec.rb
@@ -0,0 +1,38 @@
+require 'rails_helper'
+
+RSpec.describe ActivityPub::Activity::Accept do
+  let(:sender)    { Fabricate(:account) }
+  let(:recipient) { Fabricate(:account) }
+
+  let(:json) do
+    {
+      '@context': 'https://www.w3.org/ns/activitystreams',
+      id: 'foo',
+      type: 'Accept',
+      actor: ActivityPub::TagManager.instance.uri_for(sender),
+      object: {
+        id: 'bar',
+        type: 'Follow',
+        actor: ActivityPub::TagManager.instance.uri_for(recipient),
+        object: ActivityPub::TagManager.instance.uri_for(sender),
+      },
+    }.with_indifferent_access
+  end
+
+  describe '#perform' do
+    subject { described_class.new(json, sender) }
+
+    before do
+      Fabricate(:follow_request, account: recipient, target_account: sender)
+      subject.perform
+    end
+
+    it 'creates a follow relationship' do
+      expect(recipient.following?(sender)).to be true
+    end
+
+    it 'removes the follow request' do
+      expect(recipient.requested?(sender)).to be false
+    end
+  end
+end
diff --git a/spec/lib/activitypub/activity/announce_spec.rb b/spec/lib/activitypub/activity/announce_spec.rb
new file mode 100644
index 000000000..54dd52a60
--- /dev/null
+++ b/spec/lib/activitypub/activity/announce_spec.rb
@@ -0,0 +1,29 @@
+require 'rails_helper'
+
+RSpec.describe ActivityPub::Activity::Announce do
+  let(:sender)    { Fabricate(:account) }
+  let(:recipient) { Fabricate(:account) }
+  let(:status)    { Fabricate(:status, account: recipient) }
+
+  let(:json) do
+    {
+      '@context': 'https://www.w3.org/ns/activitystreams',
+      id: 'foo',
+      type: 'Announce',
+      actor: ActivityPub::TagManager.instance.uri_for(sender),
+      object: ActivityPub::TagManager.instance.uri_for(status),
+    }.with_indifferent_access
+  end
+
+  describe '#perform' do
+    subject { described_class.new(json, sender) }
+
+    before do
+      subject.perform
+    end
+
+    it 'creates a reblog by sender of status' do
+      expect(sender.reblogged?(status)).to be true
+    end
+  end
+end
diff --git a/spec/lib/activitypub/activity/block_spec.rb b/spec/lib/activitypub/activity/block_spec.rb
new file mode 100644
index 000000000..23c8cc31c
--- /dev/null
+++ b/spec/lib/activitypub/activity/block_spec.rb
@@ -0,0 +1,28 @@
+require 'rails_helper'
+
+RSpec.describe ActivityPub::Activity::Block do
+  let(:sender)    { Fabricate(:account) }
+  let(:recipient) { Fabricate(:account) }
+
+  let(:json) do
+    {
+      '@context': 'https://www.w3.org/ns/activitystreams',
+      id: 'foo',
+      type: 'Block',
+      actor: ActivityPub::TagManager.instance.uri_for(sender),
+      object: ActivityPub::TagManager.instance.uri_for(recipient),
+    }.with_indifferent_access
+  end
+
+  describe '#perform' do
+    subject { described_class.new(json, sender) }
+
+    before do
+      subject.perform
+    end
+
+    it 'creates a block from sender to recipient' do
+      expect(sender.blocking?(recipient)).to be true
+    end
+  end
+end
diff --git a/spec/lib/activitypub/activity/create_spec.rb b/spec/lib/activitypub/activity/create_spec.rb
new file mode 100644
index 000000000..fcb044ebc
--- /dev/null
+++ b/spec/lib/activitypub/activity/create_spec.rb
@@ -0,0 +1,221 @@
+require 'rails_helper'
+
+RSpec.describe ActivityPub::Activity::Create do
+  let(:sender) { Fabricate(:account, followers_url: 'http://example.com/followers') }
+
+  let(:json) do
+    {
+      '@context': 'https://www.w3.org/ns/activitystreams',
+      id: 'foo',
+      type: 'Create',
+      actor: ActivityPub::TagManager.instance.uri_for(sender),
+      object: object_json,
+    }.with_indifferent_access
+  end
+
+  subject { described_class.new(json, sender) }
+
+  before do
+    stub_request(:get, 'http://example.com/attachment.png').to_return(request_fixture('avatar.txt'))
+  end
+
+  describe '#perform' do
+    before do
+      subject.perform
+    end
+
+    context 'standalone' do
+      let(:object_json) do
+        {
+          id: 'bar',
+          type: 'Note',
+          content: 'Lorem ipsum',
+        }
+      end
+
+      it 'creates status' do
+        status = sender.statuses.first
+
+        expect(status).to_not be_nil
+        expect(status.text).to eq 'Lorem ipsum'
+      end
+
+      it 'missing to/cc defaults to direct privacy' do
+        status = sender.statuses.first
+
+        expect(status).to_not be_nil
+        expect(status.visibility).to eq 'direct'
+      end
+    end
+
+    context 'public' do
+      let(:object_json) do
+        {
+          id: 'bar',
+          type: 'Note',
+          content: 'Lorem ipsum',
+          to: 'https://www.w3.org/ns/activitystreams#Public',
+        }
+      end
+
+      it 'creates status' do
+        status = sender.statuses.first
+
+        expect(status).to_not be_nil
+        expect(status.visibility).to eq 'public'
+      end
+    end
+
+    context 'unlisted' do
+      let(:object_json) do
+        {
+          id: 'bar',
+          type: 'Note',
+          content: 'Lorem ipsum',
+          cc: 'https://www.w3.org/ns/activitystreams#Public',
+        }
+      end
+
+      it 'creates status' do
+        status = sender.statuses.first
+
+        expect(status).to_not be_nil
+        expect(status.visibility).to eq 'unlisted'
+      end
+    end
+
+    context 'private' do
+      let(:object_json) do
+        {
+          id: 'bar',
+          type: 'Note',
+          content: 'Lorem ipsum',
+          to: 'http://example.com/followers',
+        }
+      end
+
+      it 'creates status' do
+        status = sender.statuses.first
+
+        expect(status).to_not be_nil
+        expect(status.visibility).to eq 'private'
+      end
+    end
+
+    context 'direct' do
+      let(:recipient) { Fabricate(:account) }
+
+      let(:object_json) do
+        {
+          id: 'bar',
+          type: 'Note',
+          content: 'Lorem ipsum',
+          to: ActivityPub::TagManager.instance.uri_for(recipient),
+        }
+      end
+
+      it 'creates status' do
+        status = sender.statuses.first
+
+        expect(status).to_not be_nil
+        expect(status.visibility).to eq 'direct'
+      end
+    end
+
+    context 'as a reply' do
+      let(:original_status) { Fabricate(:status) }
+
+      let(:object_json) do
+        {
+          id: 'bar',
+          type: 'Note',
+          content: 'Lorem ipsum',
+          inReplyTo: ActivityPub::TagManager.instance.uri_for(original_status),
+        }
+      end
+
+      it 'creates status' do
+        status = sender.statuses.first
+
+        expect(status).to_not be_nil
+        expect(status.thread).to eq original_status
+        expect(status.reply?).to be true
+        expect(status.in_reply_to_account).to eq original_status.account
+        expect(status.conversation).to eq original_status.conversation
+      end
+    end
+
+    context 'with mentions' do
+      let(:recipient) { Fabricate(:account) }
+
+      let(:object_json) do
+        {
+          id: 'bar',
+          type: 'Note',
+          content: 'Lorem ipsum',
+          tag: [
+            {
+              type: 'Mention',
+              href: ActivityPub::TagManager.instance.uri_for(recipient),
+            },
+          ],
+        }
+      end
+
+      it 'creates status' do
+        status = sender.statuses.first
+
+        expect(status).to_not be_nil
+        expect(status.mentions.map(&:account)).to include(recipient)
+      end
+    end
+
+    context 'with media attachments' do
+      let(:object_json) do
+        {
+          id: 'bar',
+          type: 'Note',
+          content: 'Lorem ipsum',
+          attachment: [
+            {
+              type: 'Document',
+              mime_type: 'image/png',
+              url: 'http://example.com/attachment.png',
+            },
+          ],
+        }
+      end
+
+      it 'creates status' do
+        status = sender.statuses.first
+
+        expect(status).to_not be_nil
+        expect(status.media_attachments.map(&:remote_url)).to include('http://example.com/attachment.png')
+      end
+    end
+
+    context 'with hashtags' do
+      let(:object_json) do
+        {
+          id: 'bar',
+          type: 'Note',
+          content: 'Lorem ipsum',
+          tag: [
+            {
+              type: 'Hashtag',
+              href: 'http://example.com/blah',
+              name: '#test',
+            },
+          ],
+        }
+      end
+
+      it 'creates status' do
+        status = sender.statuses.first
+
+        expect(status).to_not be_nil
+        expect(status.tags.map(&:name)).to include('test')
+      end
+    end
+  end
+end
diff --git a/spec/lib/activitypub/activity/delete_spec.rb b/spec/lib/activitypub/activity/delete_spec.rb
new file mode 100644
index 000000000..65e743abb
--- /dev/null
+++ b/spec/lib/activitypub/activity/delete_spec.rb
@@ -0,0 +1,53 @@
+require 'rails_helper'
+
+RSpec.describe ActivityPub::Activity::Delete do
+  let(:sender)    { Fabricate(:account) }
+  let(:status)    { Fabricate(:status, account: sender, uri: 'foobar') }
+
+  let(:json) do
+    {
+      '@context': 'https://www.w3.org/ns/activitystreams',
+      id: 'foo',
+      type: 'Delete',
+      actor: ActivityPub::TagManager.instance.uri_for(sender),
+      object: ActivityPub::TagManager.instance.uri_for(status),
+      signature: 'foo',
+    }.with_indifferent_access
+  end
+
+  describe '#perform' do
+    subject { described_class.new(json, sender) }
+
+    before do
+      subject.perform
+    end
+
+    it 'deletes sender\'s status' do
+      expect(Status.find_by(id: status.id)).to be_nil
+    end
+  end
+
+  context 'when the status has been reblogged' do
+    describe '#perform' do
+      subject { described_class.new(json, sender) }
+      let(:reblogger) { Fabricate(:account) }
+      let(:follower)   { Fabricate(:account, username: 'follower', protocol: :activitypub, domain: 'example.com', inbox_url: 'http://example.com/inbox') }
+
+      before do
+        stub_request(:post, 'http://example.com/inbox').to_return(status: 200)
+        follower.follow!(reblogger)
+        Fabricate(:status, account: reblogger, reblog: status)
+        subject.perform
+      end
+
+      it 'deletes sender\'s status' do
+        expect(Status.find_by(id: status.id)).to be_nil
+      end
+
+      it 'sends delete activity to followers of rebloggers' do
+        # one for Delete original post, and one for Undo reblog (normal delivery)
+        expect(a_request(:post, 'http://example.com/inbox')).to have_been_made.twice
+      end
+    end
+  end
+end
diff --git a/spec/lib/activitypub/activity/follow_spec.rb b/spec/lib/activitypub/activity/follow_spec.rb
new file mode 100644
index 000000000..6bbacdbe6
--- /dev/null
+++ b/spec/lib/activitypub/activity/follow_spec.rb
@@ -0,0 +1,49 @@
+require 'rails_helper'
+
+RSpec.describe ActivityPub::Activity::Follow do
+  let(:sender)    { Fabricate(:account) }
+  let(:recipient) { Fabricate(:account) }
+
+  let(:json) do
+    {
+      '@context': 'https://www.w3.org/ns/activitystreams',
+      id: 'foo',
+      type: 'Follow',
+      actor: ActivityPub::TagManager.instance.uri_for(sender),
+      object: ActivityPub::TagManager.instance.uri_for(recipient),
+    }.with_indifferent_access
+  end
+
+  describe '#perform' do
+    subject { described_class.new(json, sender) }
+
+    context 'unlocked account' do
+      before do
+        subject.perform
+      end
+
+      it 'creates a follow from sender to recipient' do
+        expect(sender.following?(recipient)).to be true
+      end
+
+      it 'does not create a follow request' do
+        expect(sender.requested?(recipient)).to be false
+      end
+    end
+
+    context 'locked account' do
+      before do
+        recipient.update(locked: true)
+        subject.perform
+      end
+
+      it 'does not create a follow from sender to recipient' do
+        expect(sender.following?(recipient)).to be false
+      end
+
+      it 'creates a follow request' do
+        expect(sender.requested?(recipient)).to be true
+      end
+    end
+  end
+end
diff --git a/spec/lib/activitypub/activity/like_spec.rb b/spec/lib/activitypub/activity/like_spec.rb
new file mode 100644
index 000000000..b69615a9d
--- /dev/null
+++ b/spec/lib/activitypub/activity/like_spec.rb
@@ -0,0 +1,29 @@
+require 'rails_helper'
+
+RSpec.describe ActivityPub::Activity::Like do
+  let(:sender)    { Fabricate(:account) }
+  let(:recipient) { Fabricate(:account) }
+  let(:status)    { Fabricate(:status, account: recipient) }
+
+  let(:json) do
+    {
+      '@context': 'https://www.w3.org/ns/activitystreams',
+      id: 'foo',
+      type: 'Like',
+      actor: ActivityPub::TagManager.instance.uri_for(sender),
+      object: ActivityPub::TagManager.instance.uri_for(status),
+    }.with_indifferent_access
+  end
+
+  describe '#perform' do
+    subject { described_class.new(json, sender) }
+
+    before do
+      subject.perform
+    end
+
+    it 'creates a favourite from sender to status' do
+      expect(sender.favourited?(status)).to be true
+    end
+  end
+end
diff --git a/spec/lib/activitypub/activity/reject_spec.rb b/spec/lib/activitypub/activity/reject_spec.rb
new file mode 100644
index 000000000..7fd95bcc6
--- /dev/null
+++ b/spec/lib/activitypub/activity/reject_spec.rb
@@ -0,0 +1,38 @@
+require 'rails_helper'
+
+RSpec.describe ActivityPub::Activity::Reject do
+  let(:sender)    { Fabricate(:account) }
+  let(:recipient) { Fabricate(:account) }
+
+  let(:json) do
+    {
+      '@context': 'https://www.w3.org/ns/activitystreams',
+      id: 'foo',
+      type: 'Reject',
+      actor: ActivityPub::TagManager.instance.uri_for(sender),
+      object: {
+        id: 'bar',
+        type: 'Follow',
+        actor: ActivityPub::TagManager.instance.uri_for(recipient),
+        object: ActivityPub::TagManager.instance.uri_for(sender),
+      },
+    }.with_indifferent_access
+  end
+
+  describe '#perform' do
+    subject { described_class.new(json, sender) }
+
+    before do
+      Fabricate(:follow_request, account: recipient, target_account: sender)
+      subject.perform
+    end
+
+    it 'does not create a follow relationship' do
+      expect(recipient.following?(sender)).to be false
+    end
+
+    it 'removes the follow request' do
+      expect(recipient.requested?(sender)).to be false
+    end
+  end
+end
diff --git a/spec/lib/activitypub/activity/undo_spec.rb b/spec/lib/activitypub/activity/undo_spec.rb
new file mode 100644
index 000000000..4629a033f
--- /dev/null
+++ b/spec/lib/activitypub/activity/undo_spec.rb
@@ -0,0 +1,107 @@
+require 'rails_helper'
+
+RSpec.describe ActivityPub::Activity::Undo do
+  let(:sender) { Fabricate(:account) }
+
+  let(:json) do
+    {
+      '@context': 'https://www.w3.org/ns/activitystreams',
+      id: 'foo',
+      type: 'Undo',
+      actor: ActivityPub::TagManager.instance.uri_for(sender),
+      object: object_json,
+    }.with_indifferent_access
+  end
+
+  subject { described_class.new(json, sender) }
+
+  describe '#perform' do
+    context 'with Announce' do
+      let(:status) { Fabricate(:status) }
+
+      let(:object_json) do
+        {
+          id: 'bar',
+          type: 'Announce',
+          actor: ActivityPub::TagManager.instance.uri_for(sender),
+          object: ActivityPub::TagManager.instance.uri_for(status),
+        }
+      end
+
+      before do
+        Fabricate(:status, reblog: status, account: sender, uri: 'bar')
+      end
+
+      it 'deletes the reblog' do
+        subject.perform
+        expect(sender.reblogged?(status)).to be false
+      end
+    end
+
+    context 'with Block' do
+      let(:recipient) { Fabricate(:account) }
+
+      let(:object_json) do
+        {
+          id: 'bar',
+          type: 'Block',
+          actor: ActivityPub::TagManager.instance.uri_for(sender),
+          object: ActivityPub::TagManager.instance.uri_for(recipient),
+        }
+      end
+
+      before do
+        sender.block!(recipient)
+      end
+
+      it 'deletes block from sender to recipient' do
+        subject.perform
+        expect(sender.blocking?(recipient)).to be false
+      end
+    end
+
+    context 'with Follow' do
+      let(:recipient) { Fabricate(:account) }
+
+      let(:object_json) do
+        {
+          id: 'bar',
+          type: 'Follow',
+          actor: ActivityPub::TagManager.instance.uri_for(sender),
+          object: ActivityPub::TagManager.instance.uri_for(recipient),
+        }
+      end
+
+      before do
+        sender.follow!(recipient)
+      end
+
+      it 'deletes follow from sender to recipient' do
+        subject.perform
+        expect(sender.following?(recipient)).to be false
+      end
+    end
+
+    context 'with Like' do
+      let(:status) { Fabricate(:status) }
+
+      let(:object_json) do
+        {
+          id: 'bar',
+          type: 'Like',
+          actor: ActivityPub::TagManager.instance.uri_for(sender),
+          object: ActivityPub::TagManager.instance.uri_for(status),
+        }
+      end
+
+      before do
+        Fabricate(:favourite, account: sender, status: status)
+      end
+
+      it 'deletes favourite from sender to status' do
+        subject.perform
+        expect(sender.favourited?(status)).to be false
+      end
+    end
+  end
+end
diff --git a/spec/lib/activitypub/activity/update_spec.rb b/spec/lib/activitypub/activity/update_spec.rb
new file mode 100644
index 000000000..0bd6d00d9
--- /dev/null
+++ b/spec/lib/activitypub/activity/update_spec.rb
@@ -0,0 +1,41 @@
+require 'rails_helper'
+
+RSpec.describe ActivityPub::Activity::Update do
+  let!(:sender) { Fabricate(:account) }
+  
+  before do
+    sender.update!(uri: ActivityPub::TagManager.instance.uri_for(sender))
+  end
+
+  let(:modified_sender) do 
+    sender.dup.tap do |modified_sender|
+      modified_sender.display_name = 'Totally modified now'
+    end
+  end
+
+  let(:actor_json) do
+    ActiveModelSerializers::SerializableResource.new(modified_sender, serializer: ActivityPub::ActorSerializer, key_transform: :camel_lower).as_json
+  end
+
+  let(:json) do
+    {
+      '@context': 'https://www.w3.org/ns/activitystreams',
+      id: 'foo',
+      type: 'Update',
+      actor: ActivityPub::TagManager.instance.uri_for(sender),
+      object: actor_json,
+    }.with_indifferent_access
+  end
+
+  describe '#perform' do
+    subject { described_class.new(json, sender) }
+
+    before do
+      subject.perform
+    end
+
+    it 'updates profile' do
+      expect(sender.reload.display_name).to eq 'Totally modified now'
+    end
+  end
+end
diff --git a/spec/lib/activitypub/linked_data_signature_spec.rb b/spec/lib/activitypub/linked_data_signature_spec.rb
new file mode 100644
index 000000000..a4d6fe8c3
--- /dev/null
+++ b/spec/lib/activitypub/linked_data_signature_spec.rb
@@ -0,0 +1,82 @@
+require 'rails_helper'
+
+RSpec.describe ActivityPub::LinkedDataSignature do
+  include JsonLdHelper
+
+  let!(:sender) { Fabricate(:account, uri: 'http://example.com/alice') }
+
+  let(:raw_json) do
+    {
+      '@context' => 'https://www.w3.org/ns/activitystreams',
+      'id' => 'http://example.com/hello-world',
+    }
+  end
+
+  let(:json) { raw_json.merge('signature' => signature) }
+
+  subject { described_class.new(json) }
+
+  describe '#verify_account!' do
+    context 'when signature matches' do
+      let(:raw_signature) do
+        {
+          'creator' => 'http://example.com/alice',
+          'created' => '2017-09-23T20:21:34Z',
+        }
+      end
+
+      let(:signature) { raw_signature.merge('type' => 'RsaSignature2017', 'signatureValue' => sign(sender, raw_signature, raw_json)) }
+
+      it 'returns creator' do
+        expect(subject.verify_account!).to eq sender
+      end
+    end
+
+    context 'when signature is missing' do
+      let(:signature) { nil }
+
+      it 'returns nil' do
+        expect(subject.verify_account!).to be_nil
+      end
+    end
+
+    context 'when signature is tampered' do
+      let(:raw_signature) do
+        {
+          'creator' => 'http://example.com/alice',
+          'created' => '2017-09-23T20:21:34Z',
+        }
+      end
+
+      let(:signature) { raw_signature.merge('type' => 'RsaSignature2017', 'signatureValue' => 's69F3mfddd99dGjmvjdjjs81e12jn121Gkm1') }
+
+      it 'returns nil' do
+        expect(subject.verify_account!).to be_nil
+      end
+    end
+  end
+
+  describe '#sign!' do
+    subject { described_class.new(raw_json).sign!(sender) }
+
+    it 'returns a hash' do
+      expect(subject).to be_a Hash
+    end
+
+    it 'contains signature' do
+      expect(subject['signature']).to be_a Hash
+      expect(subject['signature']['signatureValue']).to be_present
+    end
+
+    it 'can be verified again' do
+      expect(described_class.new(subject).verify_account!).to eq sender
+    end
+  end
+
+  def sign(from_account, options, document)
+    options_hash   = Digest::SHA256.hexdigest(canonicalize(options.merge('@context' => ActivityPub::LinkedDataSignature::CONTEXT)))
+    document_hash  = Digest::SHA256.hexdigest(canonicalize(document))
+    to_be_verified = options_hash + document_hash
+    Base64.strict_encode64(from_account.keypair.sign(OpenSSL::Digest::SHA256.new, to_be_verified))
+  end
+end
diff --git a/spec/lib/activitypub/tag_manager_spec.rb b/spec/lib/activitypub/tag_manager_spec.rb
new file mode 100644
index 000000000..8f7662e24
--- /dev/null
+++ b/spec/lib/activitypub/tag_manager_spec.rb
@@ -0,0 +1,99 @@
+require 'rails_helper'
+
+RSpec.describe ActivityPub::TagManager do
+  include RoutingHelper
+
+  subject { described_class.instance }
+
+  describe '#url_for' do
+    it 'returns a string' do
+      account = Fabricate(:account)
+      expect(subject.url_for(account)).to be_a String
+    end
+  end
+
+  describe '#uri_for' do
+    it 'returns a string' do
+      account = Fabricate(:account)
+      expect(subject.uri_for(account)).to be_a String
+    end
+  end
+
+  describe '#to' do
+    it 'returns public collection for public status' do
+      status = Fabricate(:status, visibility: :public)
+      expect(subject.to(status)).to eq ['https://www.w3.org/ns/activitystreams#Public']
+    end
+
+    it 'returns followers collection for unlisted status' do
+      status = Fabricate(:status, visibility: :unlisted)
+      expect(subject.to(status)).to eq [account_followers_url(status.account)]
+    end
+
+    it 'returns followers collection for private status' do
+      status = Fabricate(:status, visibility: :private)
+      expect(subject.to(status)).to eq [account_followers_url(status.account)]
+    end
+
+    it 'returns URIs of mentions for direct status' do
+      status    = Fabricate(:status, visibility: :direct)
+      mentioned = Fabricate(:account)
+      status.mentions.create(account: mentioned)
+      expect(subject.to(status)).to eq [subject.uri_for(mentioned)]
+    end
+  end
+
+  describe '#cc' do
+    it 'returns followers collection for public status' do
+      status = Fabricate(:status, visibility: :public)
+      expect(subject.cc(status)).to eq [account_followers_url(status.account)]
+    end
+
+    it 'returns public collection for unlisted status' do
+      status = Fabricate(:status, visibility: :unlisted)
+      expect(subject.cc(status)).to eq ['https://www.w3.org/ns/activitystreams#Public']
+    end
+
+    it 'returns empty array for private status' do
+      status = Fabricate(:status, visibility: :private)
+      expect(subject.cc(status)).to eq []
+    end
+
+    it 'returns empty array for direct status' do
+      status = Fabricate(:status, visibility: :direct)
+      expect(subject.cc(status)).to eq []
+    end
+
+    it 'returns URIs of mentions for non-direct status' do
+      status    = Fabricate(:status, visibility: :public)
+      mentioned = Fabricate(:account)
+      status.mentions.create(account: mentioned)
+      expect(subject.cc(status)).to include(subject.uri_for(mentioned))
+    end
+  end
+
+  describe '#local_uri?' do
+    it 'returns false for non-local URI' do
+      expect(subject.local_uri?('http://example.com/123')).to be false
+    end
+
+    it 'returns true for local URIs' do
+      account = Fabricate(:account)
+      expect(subject.local_uri?(subject.uri_for(account))).to be true
+    end
+  end
+
+  describe '#uri_to_local_id' do
+    it 'returns the local ID' do
+      account = Fabricate(:account)
+      expect(subject.uri_to_local_id(subject.uri_for(account), :username)).to eq account.username
+    end
+  end
+
+  describe '#uri_to_resource' do
+    it 'returns the local resource' do
+      account = Fabricate(:account)
+      expect(subject.uri_to_resource(subject.uri_for(account), Account)).to eq account
+    end
+  end
+end
diff --git a/spec/lib/ostatus/atom_serializer_spec.rb b/spec/lib/ostatus/atom_serializer_spec.rb
index b0cb8f019..301a0ce30 100644
--- a/spec/lib/ostatus/atom_serializer_spec.rb
+++ b/spec/lib/ostatus/atom_serializer_spec.rb
@@ -196,7 +196,7 @@ RSpec.describe OStatus::AtomSerializer do
 
       author = OStatus::AtomSerializer.new.author(account)
 
-      link = author.nodes.find { |node| node.name == 'link' && node[:rel] == 'alternate' }
+      link = author.nodes.find { |node| node.name == 'link' && node[:rel] == 'alternate' && node[:type] == 'text/html' }
       expect(link[:type]).to eq 'text/html'
       expect(link[:rel]).to eq 'alternate'
       expect(link[:href]).to eq 'https://cb6e6126.ngrok.io/@username'
@@ -407,6 +407,7 @@ RSpec.describe OStatus::AtomSerializer do
         remote_status.stream_entry.update!(created_at: '2000-01-01T00:00:00Z')
 
         entry = OStatus::AtomSerializer.new.entry(remote_status.stream_entry, true)
+        entry.nodes.delete_if { |node| node[:type] == 'application/activity+json' } # Remove ActivityPub link to simplify test
         xml = OStatus::AtomSerializer.render(entry).gsub('cb6e6126.ngrok.io', 'remote')
 
         remote_status.destroy!
@@ -415,7 +416,7 @@ RSpec.describe OStatus::AtomSerializer do
         account = Account.create!(
           domain: 'remote',
           username: 'username',
-          last_webfingered_at: Time.now.utc,
+          last_webfingered_at: Time.now.utc
         )
 
         ProcessFeedService.new.call(xml, account)
@@ -529,7 +530,7 @@ RSpec.describe OStatus::AtomSerializer do
 
       entry = OStatus::AtomSerializer.new.entry(status.stream_entry)
 
-      link = entry.nodes.find { |node| node.name == 'link' && node[:rel] == 'alternate' }
+      link = entry.nodes.find { |node| node.name == 'link' && node[:rel] == 'alternate' && node[:type] == 'text/html' }
       expect(link[:type]).to eq 'text/html'
       expect(link[:href]).to eq "https://cb6e6126.ngrok.io/users/username/updates/#{status.stream_entry.id}"
     end
@@ -642,7 +643,7 @@ RSpec.describe OStatus::AtomSerializer do
 
       feed = OStatus::AtomSerializer.new.feed(account, [])
 
-      link = feed.nodes.find { |node| node.name == 'link' && node[:rel] == 'alternate' }
+      link = feed.nodes.find { |node| node.name == 'link' && node[:rel] == 'alternate' && node[:type] == 'text/html' }
       expect(link[:type]).to eq 'text/html'
       expect(link[:href]).to eq 'https://cb6e6126.ngrok.io/@username'
     end
@@ -1509,7 +1510,7 @@ RSpec.describe OStatus::AtomSerializer do
 
       entry = OStatus::AtomSerializer.new.object(status)
 
-      link = entry.nodes.find { |node| node.name == 'link' && node[:rel] == 'alternate' }
+      link = entry.nodes.find { |node| node.name == 'link' && node[:rel] == 'alternate' && node[:type] == 'text/html' }
       expect(link[:type]).to eq 'text/html'
       expect(link[:href]).to eq "https://cb6e6126.ngrok.io/@username/#{status.id}"
     end
diff --git a/spec/lib/stream_entry_finder_spec.rb b/spec/lib/status_finder_spec.rb
index 64e03c36a..3ef086736 100644
--- a/spec/lib/stream_entry_finder_spec.rb
+++ b/spec/lib/status_finder_spec.rb
@@ -2,17 +2,17 @@
 
 require 'rails_helper'
 
-describe StreamEntryFinder do
+describe StatusFinder do
   include RoutingHelper
 
-  describe '#stream_entry' do
+  describe '#status' do
     context 'with a status url' do
       let(:status) { Fabricate(:status) }
       let(:url) { short_account_status_url(account_username: status.account.username, id: status.id) }
       subject { described_class.new(url) }
 
       it 'finds the stream entry' do
-        expect(subject.stream_entry).to eq(status.stream_entry)
+        expect(subject.status).to eq(status)
       end
 
       it 'raises an error if action is not :show' do
@@ -20,7 +20,7 @@ describe StreamEntryFinder do
         expect(recognized).to receive(:[]).with(:action).and_return(:create)
         expect(Rails.application.routes).to receive(:recognize_path).with(url).and_return(recognized)
 
-        expect { subject.stream_entry }.to raise_error(ActiveRecord::RecordNotFound)
+        expect { subject.status }.to raise_error(ActiveRecord::RecordNotFound)
       end
     end
 
@@ -30,7 +30,17 @@ describe StreamEntryFinder do
       subject { described_class.new(url) }
 
       it 'finds the stream entry' do
-        expect(subject.stream_entry).to eq(stream_entry)
+        expect(subject.status).to eq(stream_entry.status)
+      end
+    end
+
+    context 'with a remote url even if id exists on local' do
+      let(:status) { Fabricate(:status) }
+      let(:url) { "https://example.com/users/test/statuses/#{status.id}" }
+      subject { described_class.new(url) }
+
+      it 'raises an error' do
+        expect { subject.status }.to raise_error(ActiveRecord::RecordNotFound)
       end
     end
 
@@ -39,7 +49,7 @@ describe StreamEntryFinder do
       subject { described_class.new(url) }
 
       it 'raises an error' do
-        expect { subject.stream_entry }.to raise_error(ActiveRecord::RecordNotFound)
+        expect { subject.status }.to raise_error(ActiveRecord::RecordNotFound)
       end
     end
 
@@ -48,7 +58,7 @@ describe StreamEntryFinder do
       subject { described_class.new(url) }
 
       it 'raises an error' do
-        expect { subject.stream_entry }.to raise_error(ActiveRecord::RecordNotFound)
+        expect { subject.status }.to raise_error(ActiveRecord::RecordNotFound)
       end
     end
   end
diff --git a/spec/models/account_spec.rb b/spec/models/account_spec.rb
index 17e2d8499..361577eff 100644
--- a/spec/models/account_spec.rb
+++ b/spec/models/account_spec.rb
@@ -642,7 +642,6 @@ RSpec.describe Account, type: :model do
       it 'returns remote accounts with followers whose subscription expiration date is past or not given' do
         local = Fabricate(:account, domain: nil)
         matches = [
-          { domain: 'remote', subscription_expires_at: nil },
           { domain: 'remote', subscription_expires_at: '2000-01-01T00:00:00Z' },
         ].map(&method(:Fabricate).curry(2).call(:account))
         matches.each(&local.method(:follow!))
diff --git a/spec/models/import_spec.rb b/spec/models/import_spec.rb
index fa52077cd..321761166 100644
--- a/spec/models/import_spec.rb
+++ b/spec/models/import_spec.rb
@@ -1,5 +1,24 @@
 require 'rails_helper'
 
 RSpec.describe Import, type: :model do
+  let (:account) { Fabricate(:account) }
+  let (:type) { 'following' }
+  let (:data) { attachment_fixture('imports.txt') }
 
+  describe 'validations' do
+    it 'has a valid parameters' do
+      import = Import.create(account: account, type: type, data: data)
+      expect(import).to be_valid
+    end
+
+    it 'is invalid without an type' do
+      import = Import.create(account: account, data: data)
+      expect(import).to model_have_error_on_field(:type)
+    end
+
+    it 'is invalid without a data' do
+      import = Import.create(account: account, type: type)
+      expect(import).to model_have_error_on_field(:data)
+    end
+  end
 end
diff --git a/spec/models/status_pin_spec.rb b/spec/models/status_pin_spec.rb
new file mode 100644
index 000000000..6f54f80f9
--- /dev/null
+++ b/spec/models/status_pin_spec.rb
@@ -0,0 +1,41 @@
+require 'rails_helper'
+
+RSpec.describe StatusPin, type: :model do
+  describe 'validations' do
+    it 'allows pins of own statuses' do
+      account = Fabricate(:account)
+      status  = Fabricate(:status, account: account)
+
+      expect(StatusPin.new(account: account, status: status).save).to be true
+    end
+
+    it 'does not allow pins of statuses by someone else' do
+      account = Fabricate(:account)
+      status  = Fabricate(:status)
+
+      expect(StatusPin.new(account: account, status: status).save).to be false
+    end
+
+    it 'does not allow pins of reblogs' do
+      account = Fabricate(:account)
+      status  = Fabricate(:status, account: account)
+      reblog  = Fabricate(:status, reblog: status)
+
+      expect(StatusPin.new(account: account, status: reblog).save).to be false
+    end
+
+    it 'does not allow pins of private statuses' do
+      account = Fabricate(:account)
+      status  = Fabricate(:status, account: account, visibility: :private)
+
+      expect(StatusPin.new(account: account, status: status).save).to be false
+    end
+
+    it 'does not allow pins of direct statuses' do
+      account = Fabricate(:account)
+      status  = Fabricate(:status, account: account, visibility: :direct)
+
+      expect(StatusPin.new(account: account, status: status).save).to be false
+    end
+  end
+end
diff --git a/spec/models/user_spec.rb b/spec/models/user_spec.rb
index ef45818b9..99aeca01b 100644
--- a/spec/models/user_spec.rb
+++ b/spec/models/user_spec.rb
@@ -286,4 +286,24 @@ RSpec.describe User, type: :model do
       Fabricate(:user)
     end
   end
+
+  describe 'token_for_app' do
+    let(:user) { Fabricate(:user) }
+    let(:app) { Fabricate(:application, owner: user) }
+
+    it 'returns a token' do
+      expect(user.token_for_app(app)).to be_a(Doorkeeper::AccessToken)
+    end
+
+    it 'persists a token' do
+      t = user.token_for_app(app)
+      expect(user.token_for_app(app)).to eql(t)
+    end
+
+    it 'is nil if user does not own app' do
+      app.update!(owner: nil)
+
+      expect(user.token_for_app(app)).to be_nil
+    end
+  end
 end
diff --git a/spec/services/activitypub/fetch_remote_account_service_spec.rb b/spec/services/activitypub/fetch_remote_account_service_spec.rb
new file mode 100644
index 000000000..391d051c1
--- /dev/null
+++ b/spec/services/activitypub/fetch_remote_account_service_spec.rb
@@ -0,0 +1,123 @@
+require 'rails_helper'
+
+RSpec.describe ActivityPub::FetchRemoteAccountService do
+  subject { ActivityPub::FetchRemoteAccountService.new }
+
+  let!(:actor) do
+    {
+      '@context': 'https://www.w3.org/ns/activitystreams',
+      id: 'https://example.com/alice',
+      type: 'Person',
+      preferredUsername: 'alice',
+      name: 'Alice',
+      summary: 'Foo bar',
+      inbox: 'http://example.com/alice/inbox',
+    }
+  end
+
+  describe '#call' do
+    let(:account) { subject.call('https://example.com/alice') }
+
+    shared_examples 'sets profile data' do
+      it 'returns an account' do
+        expect(account).to be_an Account
+      end
+
+      it 'sets display name' do
+        expect(account.display_name).to eq 'Alice'
+      end
+
+      it 'sets note' do
+        expect(account.note).to eq 'Foo bar'
+      end
+
+      it 'sets URL' do
+        expect(account.url).to eq 'https://example.com/alice'
+      end
+    end
+
+    context 'when the account does not have a inbox' do
+      let!(:webfinger) { { subject: 'acct:alice@example.com', links: [{ rel: 'self', href: 'https://example.com/alice' }] } }
+
+      before do
+        actor[:inbox] = nil
+        
+        stub_request(:get, 'https://example.com/alice').to_return(body: Oj.dump(actor))
+        stub_request(:get, 'https://example.com/.well-known/webfinger?resource=acct:alice@example.com').to_return(body: Oj.dump(webfinger), headers: { 'Content-Type': 'application/jrd+json' })
+      end
+
+      it 'fetches resource' do
+        account
+        expect(a_request(:get, 'https://example.com/alice')).to have_been_made.once
+      end
+
+      it 'looks up webfinger' do
+        account
+        expect(a_request(:get, 'https://example.com/.well-known/webfinger?resource=acct:alice@example.com')).to have_been_made.once
+      end
+
+      it 'returns nil' do
+        expect(account).to be_nil
+      end
+
+    end
+
+    context 'when URI and WebFinger share the same host' do
+      let!(:webfinger) { { subject: 'acct:alice@example.com', links: [{ rel: 'self', href: 'https://example.com/alice' }] } }
+
+      before do
+        stub_request(:get, 'https://example.com/alice').to_return(body: Oj.dump(actor))
+        stub_request(:get, 'https://example.com/.well-known/webfinger?resource=acct:alice@example.com').to_return(body: Oj.dump(webfinger), headers: { 'Content-Type': 'application/jrd+json' })
+      end
+
+      it 'fetches resource' do
+        account
+        expect(a_request(:get, 'https://example.com/alice')).to have_been_made.once
+      end
+
+      it 'looks up webfinger' do
+        account
+        expect(a_request(:get, 'https://example.com/.well-known/webfinger?resource=acct:alice@example.com')).to have_been_made.once
+      end
+
+      it 'sets username and domain from webfinger' do
+        expect(account.username).to eq 'alice'
+        expect(account.domain).to eq 'example.com'
+      end
+
+      include_examples 'sets profile data'
+    end
+
+    context 'when WebFinger presents different domain than URI' do
+      let!(:webfinger) { { subject: 'acct:alice@iscool.af', links: [{ rel: 'self', href: 'https://example.com/alice' }] } }
+
+      before do
+        stub_request(:get, 'https://example.com/alice').to_return(body: Oj.dump(actor))
+        stub_request(:get, 'https://example.com/.well-known/webfinger?resource=acct:alice@example.com').to_return(body: Oj.dump(webfinger), headers: { 'Content-Type': 'application/jrd+json' })
+        stub_request(:get, 'https://iscool.af/.well-known/webfinger?resource=acct:alice@iscool.af').to_return(body: Oj.dump(webfinger), headers: { 'Content-Type': 'application/jrd+json' })
+      end
+
+      it 'fetches resource' do
+        account
+        expect(a_request(:get, 'https://example.com/alice')).to have_been_made.once
+      end
+
+      it 'looks up webfinger' do
+        account
+        expect(a_request(:get, 'https://example.com/.well-known/webfinger?resource=acct:alice@example.com')).to have_been_made.once
+      end
+
+      it 'looks up "redirected" webfinger' do
+        account
+        expect(a_request(:get, 'https://iscool.af/.well-known/webfinger?resource=acct:alice@iscool.af')).to have_been_made.once
+      end
+
+      it 'sets username and domain from final webfinger' do
+        expect(account.username).to eq 'alice'
+        expect(account.domain).to eq 'iscool.af'
+      end
+
+      include_examples 'sets profile data'
+    end
+  end
+end
diff --git a/spec/services/activitypub/fetch_remote_status_service_spec.rb b/spec/services/activitypub/fetch_remote_status_service_spec.rb
new file mode 100644
index 000000000..3b22257ed
--- /dev/null
+++ b/spec/services/activitypub/fetch_remote_status_service_spec.rb
@@ -0,0 +1,75 @@
+require 'rails_helper'
+
+RSpec.describe ActivityPub::FetchRemoteStatusService do
+  let(:sender) { Fabricate(:account) }
+  let(:recipient) { Fabricate(:account) }
+  let(:valid_domain) { Rails.configuration.x.local_domain }
+
+  let(:note) do
+    {
+      '@context': 'https://www.w3.org/ns/activitystreams',
+      id: "https://#{valid_domain}/@foo/1234",
+      type: 'Note',
+      content: 'Lorem ipsum',
+      attributedTo: ActivityPub::TagManager.instance.uri_for(sender),
+    }
+  end
+
+  let(:create) do
+    {
+      '@context': 'https://www.w3.org/ns/activitystreams',
+      id: "https://#{valid_domain}/@foo/1234/activity",
+      type: 'Create',
+      actor: ActivityPub::TagManager.instance.uri_for(sender),
+      object: note,
+    }
+  end
+
+  subject { described_class.new }
+
+  describe '#call' do
+    before do
+      subject.call(object[:id], Oj.dump(object))
+    end
+
+    context 'with Note object' do
+      let(:object) { note }
+
+      it 'creates status' do
+        status = sender.statuses.first
+        
+        expect(status).to_not be_nil
+        expect(status.text).to eq 'Lorem ipsum'
+      end
+    end
+
+    context 'with Create activity' do
+      let(:object) { create }
+
+      it 'creates status' do
+        status = sender.statuses.first
+        
+        expect(status).to_not be_nil
+        expect(status.text).to eq 'Lorem ipsum'
+      end
+    end
+
+    context 'with Announce activity' do
+      let(:status) { Fabricate(:status, account: recipient) }
+
+      let(:object) do
+        {
+          '@context': 'https://www.w3.org/ns/activitystreams',
+          id: "https://#{valid_domain}/@foo/1234/activity",
+          type: 'Announce',
+          actor: ActivityPub::TagManager.instance.uri_for(sender),
+          object: ActivityPub::TagManager.instance.uri_for(status),
+        }
+      end
+
+      it 'creates a reblog by sender of status' do
+        expect(sender.reblogged?(status)).to be true
+      end
+    end
+  end
+end
diff --git a/spec/services/activitypub/process_account_service_spec.rb b/spec/services/activitypub/process_account_service_spec.rb
new file mode 100644
index 000000000..84a74c231
--- /dev/null
+++ b/spec/services/activitypub/process_account_service_spec.rb
@@ -0,0 +1,5 @@
+require 'rails_helper'
+
+RSpec.describe ActivityPub::ProcessAccountService do
+  pending
+end
diff --git a/spec/services/activitypub/process_collection_service_spec.rb b/spec/services/activitypub/process_collection_service_spec.rb
new file mode 100644
index 000000000..249b12470
--- /dev/null
+++ b/spec/services/activitypub/process_collection_service_spec.rb
@@ -0,0 +1,55 @@
+require 'rails_helper'
+
+RSpec.describe ActivityPub::ProcessCollectionService do
+  let(:actor) { Fabricate(:account) }
+
+  let(:payload) do
+    {
+      '@context': 'https://www.w3.org/ns/activitystreams',
+      id: 'foo',
+      type: 'Create',
+      actor: ActivityPub::TagManager.instance.uri_for(actor),
+      object: {
+        id: 'bar',
+        type: 'Note',
+        content: 'Lorem ipsum',
+      },
+    }
+  end
+
+  let(:json) { Oj.dump(payload) }
+
+  subject { described_class.new }
+
+  describe '#call' do
+    context 'when actor is the sender'
+    context 'when actor differs from sender' do
+      let(:forwarder) { Fabricate(:account) }
+
+      it 'processes payload with sender if no signature exists' do
+        expect_any_instance_of(ActivityPub::LinkedDataSignature).not_to receive(:verify_account!)
+        expect(ActivityPub::Activity).to receive(:factory).with(instance_of(Hash), forwarder)
+
+        subject.call(json, forwarder)
+      end
+
+      it 'processes payload with actor if valid signature exists' do
+        payload['signature'] = {'type' => 'RsaSignature2017'}
+
+        expect_any_instance_of(ActivityPub::LinkedDataSignature).to receive(:verify_account!).and_return(actor)
+        expect(ActivityPub::Activity).to receive(:factory).with(instance_of(Hash), actor)
+
+        subject.call(json, forwarder)
+      end
+
+      it 'does not process payload if invalid signature exists' do
+        payload['signature'] = {'type' => 'RsaSignature2017'}
+
+        expect_any_instance_of(ActivityPub::LinkedDataSignature).to receive(:verify_account!).and_return(nil)
+        expect(ActivityPub::Activity).not_to receive(:factory)
+
+        subject.call(json, forwarder)
+      end
+    end
+  end
+end
diff --git a/spec/services/authorize_follow_service_spec.rb b/spec/services/authorize_follow_service_spec.rb
index 3f3a2bc56..d74eb41a2 100644
--- a/spec/services/authorize_follow_service_spec.rb
+++ b/spec/services/authorize_follow_service_spec.rb
@@ -22,7 +22,7 @@ RSpec.describe AuthorizeFollowService do
     end
   end
 
-  describe 'remote' do
+  describe 'remote OStatus' do
     let(:bob) { Fabricate(:user, email: 'bob@example.com', account: Fabricate(:account, username: 'bob', domain: 'example.com', salmon_url: 'http://salmon.example.com')).account }
 
     before do
@@ -46,4 +46,26 @@ RSpec.describe AuthorizeFollowService do
       }).to have_been_made.once
     end
   end
+
+  describe 'remote ActivityPub' do
+    let(:bob) { Fabricate(:user, email: 'bob@example.com', account: Fabricate(:account, username: 'bob', domain: 'example.com', protocol: :activitypub, inbox_url: 'http://example.com/inbox')).account }
+
+    before do
+      FollowRequest.create(account: bob, target_account: sender)
+      stub_request(:post, bob.inbox_url).to_return(status: 200)
+      subject.call(bob, sender)
+    end
+
+    it 'removes follow request' do
+      expect(bob.requested?(sender)).to be false
+    end
+
+    it 'creates follow relation' do
+      expect(bob.following?(sender)).to be true
+    end
+
+    it 'sends an accept activity' do
+      expect(a_request(:post, bob.inbox_url)).to have_been_made.once
+    end
+  end
 end
diff --git a/spec/services/batched_remove_status_service_spec.rb b/spec/services/batched_remove_status_service_spec.rb
index c20085e25..b1e9ac567 100644
--- a/spec/services/batched_remove_status_service_spec.rb
+++ b/spec/services/batched_remove_status_service_spec.rb
@@ -6,6 +6,7 @@ RSpec.describe BatchedRemoveStatusService do
   let!(:alice)  { Fabricate(:account) }
   let!(:bob)    { Fabricate(:account, username: 'bob', domain: 'example.com', salmon_url: 'http://example.com/salmon') }
   let!(:jeff)   { Fabricate(:account) }
+  let!(:hank)   { Fabricate(:account, username: 'hank', protocol: :activitypub, domain: 'example.com', inbox_url: 'http://example.com/inbox') }
 
   let(:status1) { PostStatusService.new.call(alice, 'Hello @bob@example.com') }
   let(:status2) { PostStatusService.new.call(alice, 'Another status') }
@@ -15,9 +16,11 @@ RSpec.describe BatchedRemoveStatusService do
 
     stub_request(:post, 'http://example.com/push').to_return(status: 200, body: '', headers: {})
     stub_request(:post, 'http://example.com/salmon').to_return(status: 200, body: '', headers: {})
+    stub_request(:post, 'http://example.com/inbox').to_return(status: 200)
 
     Fabricate(:subscription, account: alice, callback_url: 'http://example.com/push', confirmed: true, expires_at: 30.days.from_now)
     jeff.follow!(alice)
+    hank.follow!(alice)
 
     status1
     status2
@@ -45,11 +48,10 @@ RSpec.describe BatchedRemoveStatusService do
     expect(Redis.current).to have_received(:publish).with('timeline:public', any_args).at_least(:once)
   end
 
-  it 'sends PuSH update to PuSH subscribers with two payloads united' do
+  it 'sends PuSH update to PuSH subscribers' do
     expect(a_request(:post, 'http://example.com/push').with { |req|
-      matches = req.body.scan(TagManager::VERBS[:delete])
-      matches.size == 2
-    }).to have_been_made
+      matches = req.body.match(TagManager::VERBS[:delete])
+    }).to have_been_made.at_least_once
   end
 
   it 'sends Salmon slap to previously mentioned users' do
@@ -58,4 +60,8 @@ RSpec.describe BatchedRemoveStatusService do
       xml.match(TagManager::VERBS[:delete])
     }).to have_been_made.once
   end
+
+  it 'sends delete activity to followers' do
+    expect(a_request(:post, 'http://example.com/inbox')).to have_been_made.at_least_once
+  end
 end
diff --git a/spec/services/block_service_spec.rb b/spec/services/block_service_spec.rb
index 2a54e032e..bd2ab3d53 100644
--- a/spec/services/block_service_spec.rb
+++ b/spec/services/block_service_spec.rb
@@ -17,7 +17,7 @@ RSpec.describe BlockService do
     end
   end
 
-  describe 'remote' do
+  describe 'remote OStatus' do
     let(:bob) { Fabricate(:user, email: 'bob@example.com', account: Fabricate(:account, username: 'bob', domain: 'example.com', salmon_url: 'http://salmon.example.com')).account }
 
     before do
@@ -36,4 +36,21 @@ RSpec.describe BlockService do
       }).to have_been_made.once
     end
   end
+
+  describe 'remote ActivityPub' do
+    let(:bob) { Fabricate(:user, email: 'bob@example.com', account: Fabricate(:account, username: 'bob', protocol: :activitypub, domain: 'example.com', inbox_url: 'http://example.com/inbox')).account }
+
+    before do
+      stub_request(:post, 'http://example.com/inbox').to_return(status: 200)
+      subject.call(sender, bob)
+    end
+
+    it 'creates a blocking relation' do
+      expect(sender.blocking?(bob)).to be true
+    end
+
+    it 'sends a block activity' do
+      expect(a_request(:post, 'http://example.com/inbox')).to have_been_made.once
+    end
+  end
 end
diff --git a/spec/services/favourite_service_spec.rb b/spec/services/favourite_service_spec.rb
index 36f1b64d4..2ab1f32ca 100644
--- a/spec/services/favourite_service_spec.rb
+++ b/spec/services/favourite_service_spec.rb
@@ -18,8 +18,8 @@ RSpec.describe FavouriteService do
     end
   end
 
-  describe 'remote' do
-    let(:bob)    { Fabricate(:user, email: 'bob@example.com', account: Fabricate(:account, username: 'bob', domain: 'example.com', salmon_url: 'http://salmon.example.com')).account }
+  describe 'remote OStatus' do
+    let(:bob)    { Fabricate(:user, email: 'bob@example.com', account: Fabricate(:account, username: 'bob', protocol: :ostatus, domain: 'example.com', salmon_url: 'http://salmon.example.com')).account }
     let(:status) { Fabricate(:status, account: bob, uri: 'tag:example.com:blahblah') }
 
     before do
@@ -38,4 +38,22 @@ RSpec.describe FavouriteService do
       }).to have_been_made.once
     end
   end
+
+  describe 'remote ActivityPub' do
+    let(:bob)    { Fabricate(:user, email: 'bob@example.com', account: Fabricate(:account, protocol: :activitypub, username: 'bob', domain: 'example.com', inbox_url: 'http://example.com/inbox')).account }
+    let(:status) { Fabricate(:status, account: bob) }
+
+    before do
+      stub_request(:post, "http://example.com/inbox").to_return(:status => 200, :body => "", :headers => {})
+      subject.call(sender, status)
+    end
+
+    it 'creates a favourite' do
+      expect(status.favourites.first).to_not be_nil
+    end
+
+    it 'sends a like activity' do
+      expect(a_request(:post, "http://example.com/inbox")).to have_been_made.once
+    end
+  end
 end
diff --git a/spec/services/fetch_link_card_service_spec.rb b/spec/services/fetch_link_card_service_spec.rb
index 698eb0324..3a0786d03 100644
--- a/spec/services/fetch_link_card_service_spec.rb
+++ b/spec/services/fetch_link_card_service_spec.rb
@@ -31,7 +31,7 @@ RSpec.describe FetchLinkCardService do
 
       it 'works with SJIS' do
         expect(a_request(:get, 'http://example.com/sjis')).to have_been_made.at_least_once
-        expect(status.preview_card.title).to eq("SJISのページ")
+        expect(status.preview_cards.first.title).to eq("SJISのページ")
       end
     end
 
@@ -40,7 +40,7 @@ RSpec.describe FetchLinkCardService do
 
       it 'works with SJIS even with wrong charset header' do
         expect(a_request(:get, 'http://example.com/sjis_with_wrong_charset')).to have_been_made.at_least_once
-        expect(status.preview_card.title).to eq("SJISのページ")
+        expect(status.preview_cards.first.title).to eq("SJISのページ")
       end
     end
 
@@ -49,7 +49,7 @@ RSpec.describe FetchLinkCardService do
 
       it 'works with koi8-r' do
         expect(a_request(:get, 'http://example.com/koi8-r')).to have_been_made.at_least_once
-        expect(status.preview_card.title).to eq("Московя начинаетъ только въ XVI ст. привлекать внимане иностранцевъ.")
+        expect(status.preview_cards.first.title).to eq("Московя начинаетъ только въ XVI ст. привлекать внимане иностранцевъ.")
       end
     end
   end
diff --git a/spec/services/fetch_remote_resource_service_spec.rb b/spec/services/fetch_remote_resource_service_spec.rb
index 81b0e48e3..c14fcfc4e 100644
--- a/spec/services/fetch_remote_resource_service_spec.rb
+++ b/spec/services/fetch_remote_resource_service_spec.rb
@@ -30,7 +30,7 @@ describe FetchRemoteResourceService do
 
       _result = subject.call(url)
 
-      expect(account_service).to have_received(:call).with(feed_url, feed_content)
+      expect(account_service).to have_received(:call).with(feed_url, feed_content, nil)
     end
 
     it 'fetches remote statuses for entry types' do
@@ -47,7 +47,7 @@ describe FetchRemoteResourceService do
 
       _result = subject.call(url)
 
-      expect(account_service).to have_received(:call).with(feed_url, feed_content)
+      expect(account_service).to have_received(:call).with(feed_url, feed_content, nil)
     end
   end
 end
diff --git a/spec/services/follow_service_spec.rb b/spec/services/follow_service_spec.rb
index 32dedb3ad..1e2378031 100644
--- a/spec/services/follow_service_spec.rb
+++ b/spec/services/follow_service_spec.rb
@@ -44,9 +44,9 @@ RSpec.describe FollowService do
     end
   end
 
-  context 'remote account' do
+  context 'remote OStatus account' do
     describe 'locked account' do
-      let(:bob) { Fabricate(:user, email: 'bob@example.com', account: Fabricate(:account, locked: true, username: 'bob', domain: 'example.com', salmon_url: 'http://salmon.example.com')).account }
+      let(:bob) { Fabricate(:user, email: 'bob@example.com', account: Fabricate(:account, protocol: :ostatus, locked: true, username: 'bob', domain: 'example.com', salmon_url: 'http://salmon.example.com')).account }
 
       before do
         stub_request(:post, "http://salmon.example.com/").to_return(:status => 200, :body => "", :headers => {})
@@ -66,7 +66,7 @@ RSpec.describe FollowService do
     end
 
     describe 'unlocked account' do
-      let(:bob) { Fabricate(:user, email: 'bob@example.com', account: Fabricate(:account, username: 'bob', domain: 'example.com', salmon_url: 'http://salmon.example.com', hub_url: 'http://hub.example.com')).account }
+      let(:bob) { Fabricate(:user, email: 'bob@example.com', account: Fabricate(:account, protocol: :ostatus, username: 'bob', domain: 'example.com', salmon_url: 'http://salmon.example.com', hub_url: 'http://hub.example.com')).account }
 
       before do
         stub_request(:post, "http://salmon.example.com/").to_return(:status => 200, :body => "", :headers => {})
@@ -91,7 +91,7 @@ RSpec.describe FollowService do
     end
 
     describe 'already followed account' do
-      let(:bob) { Fabricate(:user, email: 'bob@example.com', account: Fabricate(:account, username: 'bob', domain: 'example.com', salmon_url: 'http://salmon.example.com', hub_url: 'http://hub.example.com')).account }
+      let(:bob) { Fabricate(:user, email: 'bob@example.com', account: Fabricate(:account, protocol: :ostatus, username: 'bob', domain: 'example.com', salmon_url: 'http://salmon.example.com', hub_url: 'http://hub.example.com')).account }
 
       before do
         sender.follow!(bob)
@@ -111,4 +111,21 @@ RSpec.describe FollowService do
       end
     end
   end
+
+  context 'remote ActivityPub account' do
+    let(:bob) { Fabricate(:user, account: Fabricate(:account, username: 'bob', domain: 'example.com', protocol: :activitypub, inbox_url: 'http://example.com/inbox')).account }
+
+    before do
+      stub_request(:post, "http://example.com/inbox").to_return(:status => 200, :body => "", :headers => {})
+      subject.call(sender, bob.acct)
+    end
+
+    it 'creates follow request' do
+      expect(FollowRequest.find_by(account: sender, target_account: bob)).to_not be_nil
+    end
+
+    it 'sends a follow activity to the inbox' do
+      expect(a_request(:post, 'http://example.com/inbox')).to have_been_made.once
+    end
+  end
 end
diff --git a/spec/services/post_status_service_spec.rb b/spec/services/post_status_service_spec.rb
index 57876dcc2..4182c4e1f 100644
--- a/spec/services/post_status_service_spec.rb
+++ b/spec/services/post_status_service_spec.rb
@@ -100,16 +100,18 @@ RSpec.describe PostStatusService do
     expect(hashtags_service).to have_received(:call).with(status)
   end
 
-  it 'pings PuSH hubs' do
+  it 'gets distributed' do
     allow(DistributionWorker).to receive(:perform_async)
     allow(Pubsubhubbub::DistributionWorker).to receive(:perform_async)
+    allow(ActivityPub::DistributionWorker).to receive(:perform_async)
+
     account = Fabricate(:account)
 
     status = subject.call(account, "test status update")
 
     expect(DistributionWorker).to have_received(:perform_async).with(status.id)
-    expect(Pubsubhubbub::DistributionWorker).
-      to have_received(:perform_async).with(status.stream_entry.id)
+    expect(Pubsubhubbub::DistributionWorker).to have_received(:perform_async).with(status.stream_entry.id)
+    expect(ActivityPub::DistributionWorker).to have_received(:perform_async).with(status.id)
   end
 
   it 'crawls links' do
diff --git a/spec/services/process_feed_service_spec.rb b/spec/services/process_feed_service_spec.rb
index 5e34370ee..aca675dc6 100644
--- a/spec/services/process_feed_service_spec.rb
+++ b/spec/services/process_feed_service_spec.rb
@@ -124,8 +124,7 @@ RSpec.describe ProcessFeedService do
 </entry>
 XML
 
-    stub_request(:head, 'https://overwatch.com/users/tracer/updates/1').to_return(status: 200, headers: { 'Content-Type' => 'application/atom+xml' })
-    stub_request(:get, 'https://overwatch.com/users/tracer/updates/1').to_return(status: 200, body: real_body)
+    stub_request(:get, 'https://overwatch.com/users/tracer/updates/1').to_return(status: 200, body: real_body, headers: { 'Content-Type' => 'application/atom+xml' })
 
     bad_actor = Fabricate(:account, username: 'sombra', domain: 'talon.xyz')
 
@@ -168,7 +167,7 @@ XML
   end
 
   it 'ignores reblogs if it failed to retreive reblogged statuses' do
-    stub_request(:head, 'https://overwatch.com/users/tracer/updates/1').to_return(status: 404)
+    stub_request(:get, 'https://overwatch.com/users/tracer/updates/1').to_return(status: 404)
 
     actor = Fabricate(:account, username: 'tracer', domain: 'overwatch.com')
 
diff --git a/spec/services/process_mentions_service_spec.rb b/spec/services/process_mentions_service_spec.rb
index 984d13746..09f8fa45b 100644
--- a/spec/services/process_mentions_service_spec.rb
+++ b/spec/services/process_mentions_service_spec.rb
@@ -1,22 +1,44 @@
 require 'rails_helper'
 
 RSpec.describe ProcessMentionsService do
-  let(:account)     { Fabricate(:account, username: 'alice') }
-  let(:remote_user) { Fabricate(:account, username: 'remote_user', domain: 'example.com', salmon_url: 'http://salmon.example.com') }
-  let(:status)      { Fabricate(:status, account: account, text: "Hello @#{remote_user.acct}") }
+  let(:account) { Fabricate(:account, username: 'alice') }
+  let(:status)  { Fabricate(:status, account: account, text: "Hello @#{remote_user.acct}") }
 
-  subject { ProcessMentionsService.new }
+  context 'OStatus' do
+    let(:remote_user) { Fabricate(:account, username: 'remote_user', protocol: :ostatus, domain: 'example.com', salmon_url: 'http://salmon.example.com') }
 
-  before do
-    stub_request(:post, remote_user.salmon_url)
-    subject.(status)
-  end
+    subject { ProcessMentionsService.new }
+
+    before do
+      stub_request(:post, remote_user.salmon_url)
+      subject.call(status)
+    end
 
-  it 'creates a mention' do
-    expect(remote_user.mentions.where(status: status).count).to eq 1
+    it 'creates a mention' do
+      expect(remote_user.mentions.where(status: status).count).to eq 1
+    end
+
+    it 'posts to remote user\'s Salmon end point' do
+      expect(a_request(:post, remote_user.salmon_url)).to have_been_made.once
+    end
   end
 
-  it 'posts to remote user\'s Salmon end point' do
-    expect(a_request(:post, remote_user.salmon_url)).to have_been_made
+  context 'ActivityPub' do
+    let(:remote_user) { Fabricate(:account, username: 'remote_user', protocol: :activitypub, domain: 'example.com', inbox_url: 'http://example.com/inbox') }
+
+    subject { ProcessMentionsService.new }
+
+    before do
+      stub_request(:post, remote_user.inbox_url)
+      subject.call(status)
+    end
+
+    it 'creates a mention' do
+      expect(remote_user.mentions.where(status: status).count).to eq 1
+    end
+
+    it 'sends activity to the inbox' do
+      expect(a_request(:post, remote_user.inbox_url)).to have_been_made.once
+    end
   end
 end
diff --git a/spec/services/reblog_service_spec.rb b/spec/services/reblog_service_spec.rb
index 5f89169e9..0ad5c5f6b 100644
--- a/spec/services/reblog_service_spec.rb
+++ b/spec/services/reblog_service_spec.rb
@@ -2,22 +2,49 @@ require 'rails_helper'
 
 RSpec.describe ReblogService do
   let(:alice)  { Fabricate(:account, username: 'alice') }
-  let(:bob)    { Fabricate(:account, username: 'bob', domain: 'example.com', salmon_url: 'http://salmon.example.com') }
-  let(:status) { Fabricate(:status, account: bob, uri: 'tag:example.com;something:something') }
 
-  subject { ReblogService.new }
+  context 'OStatus' do
+    let(:bob)    { Fabricate(:account, username: 'bob', domain: 'example.com', salmon_url: 'http://salmon.example.com') }
+    let(:status) { Fabricate(:status, account: bob, uri: 'tag:example.com;something:something') }
 
-  before do
-    stub_request(:post, 'http://salmon.example.com')
+    subject { ReblogService.new }
 
-    subject.(alice, status)
-  end
+    before do
+      stub_request(:post, 'http://salmon.example.com')
+      subject.call(alice, status)
+    end
+
+    it 'creates a reblog' do
+      expect(status.reblogs.count).to eq 1
+    end
 
-  it 'creates a reblog' do
-    expect(status.reblogs.count).to eq 1
+    it 'sends a Salmon slap for a remote reblog' do
+      expect(a_request(:post, 'http://salmon.example.com')).to have_been_made
+    end
   end
 
-  it 'sends a Salmon slap for a remote reblog' do
-    expect(a_request(:post, 'http://salmon.example.com')).to have_been_made
+  context 'ActivityPub' do
+    let(:bob)    { Fabricate(:account, username: 'bob', protocol: :activitypub, domain: 'example.com', inbox_url: 'http://example.com/inbox') }
+    let(:status) { Fabricate(:status, account: bob) }
+
+    subject { ReblogService.new }
+
+    before do
+      stub_request(:post, bob.inbox_url)
+      allow(ActivityPub::DistributionWorker).to receive(:perform_async)
+      subject.call(alice, status)
+    end
+
+    it 'creates a reblog' do
+      expect(status.reblogs.count).to eq 1
+    end
+
+    it 'distributes to followers' do
+      expect(ActivityPub::DistributionWorker).to have_received(:perform_async)
+    end
+
+    it 'sends an announce activity to the author' do
+      expect(a_request(:post, bob.inbox_url)).to have_been_made.once
+    end
   end
 end
diff --git a/spec/services/reject_follow_service_spec.rb b/spec/services/reject_follow_service_spec.rb
index 50749b633..2e06345b3 100644
--- a/spec/services/reject_follow_service_spec.rb
+++ b/spec/services/reject_follow_service_spec.rb
@@ -22,7 +22,7 @@ RSpec.describe RejectFollowService do
     end
   end
 
-  describe 'remote' do
+  describe 'remote OStatus' do
     let(:bob) { Fabricate(:user, email: 'bob@example.com', account: Fabricate(:account, username: 'bob', domain: 'example.com', salmon_url: 'http://salmon.example.com')).account }
 
     before do
@@ -46,4 +46,26 @@ RSpec.describe RejectFollowService do
       }).to have_been_made.once
     end
   end
+
+  describe 'remote ActivityPub' do
+    let(:bob) { Fabricate(:user, email: 'bob@example.com', account: Fabricate(:account, username: 'bob', domain: 'example.com', protocol: :activitypub, inbox_url: 'http://example.com/inbox')).account }
+
+    before do
+      FollowRequest.create(account: bob, target_account: sender)
+      stub_request(:post, bob.inbox_url).to_return(status: 200)
+      subject.call(bob, sender)
+    end
+
+    it 'removes follow request' do
+      expect(bob.requested?(sender)).to be false
+    end
+
+    it 'does not create follow relation' do
+      expect(bob.following?(sender)).to be false
+    end
+
+    it 'sends a reject activity' do
+      expect(a_request(:post, bob.inbox_url)).to have_been_made.once
+    end
+  end
 end
diff --git a/spec/services/remove_status_service_spec.rb b/spec/services/remove_status_service_spec.rb
index a3bce7613..8b34bdb6b 100644
--- a/spec/services/remove_status_service_spec.rb
+++ b/spec/services/remove_status_service_spec.rb
@@ -6,14 +6,21 @@ RSpec.describe RemoveStatusService do
   let!(:alice)  { Fabricate(:account) }
   let!(:bob)    { Fabricate(:account, username: 'bob', domain: 'example.com', salmon_url: 'http://example.com/salmon') }
   let!(:jeff)   { Fabricate(:account) }
+  let!(:hank)   { Fabricate(:account, username: 'hank', protocol: :activitypub, domain: 'example.com', inbox_url: 'http://example.com/inbox') }
+  let!(:bill)   { Fabricate(:account, username: 'bill', protocol: :activitypub, domain: 'example2.com', inbox_url: 'http://example2.com/inbox') }
 
   before do
     stub_request(:post, 'http://example.com/push').to_return(status: 200, body: '', headers: {})
     stub_request(:post, 'http://example.com/salmon').to_return(status: 200, body: '', headers: {})
+    stub_request(:post, 'http://example.com/inbox').to_return(status: 200)
+    stub_request(:post, 'http://example2.com/inbox').to_return(status: 200)
 
     Fabricate(:subscription, account: alice, callback_url: 'http://example.com/push', confirmed: true, expires_at: 30.days.from_now)
     jeff.follow!(alice)
+    hank.follow!(alice)
+
     @status = PostStatusService.new.call(alice, 'Hello @bob@example.com')
+    Fabricate(:status, account: bill, reblog: @status, uri: 'hoge')
     subject.call(@status)
   end
 
@@ -31,10 +38,18 @@ RSpec.describe RemoveStatusService do
     }).to have_been_made
   end
 
+  it 'sends delete activity to followers' do
+    expect(a_request(:post, 'http://example.com/inbox')).to have_been_made.twice
+  end
+
   it 'sends Salmon slap to previously mentioned users' do
     expect(a_request(:post, "http://example.com/salmon").with { |req|
       xml = OStatus2::Salmon.new.unpack(req.body)
       xml.match(TagManager::VERBS[:delete])
     }).to have_been_made.once
   end
+
+  it 'sends delete activity to rebloggers' do
+    expect(a_request(:post, 'http://example2.com/inbox')).to have_been_made
+  end
 end
diff --git a/spec/services/resolve_remote_account_service_spec.rb b/spec/services/resolve_remote_account_service_spec.rb
index c3b902b34..d0eab2310 100644
--- a/spec/services/resolve_remote_account_service_spec.rb
+++ b/spec/services/resolve_remote_account_service_spec.rb
@@ -1,7 +1,7 @@
 require 'rails_helper'
 
 RSpec.describe ResolveRemoteAccountService do
-  subject { ResolveRemoteAccountService.new }
+  subject { described_class.new }
 
   before do
     stub_request(:get, "https://quitter.no/.well-known/host-meta").to_return(request_fixture('.host-meta.txt'))
@@ -29,29 +29,6 @@ RSpec.describe ResolveRemoteAccountService do
     expect(subject.call('catsrgr8@example.com')).to be_nil
   end
 
-  it 'returns an already existing remote account' do
-    old_account      = Fabricate(:account, username: 'gargron', domain: 'quitter.no')
-    returned_account = subject.call('gargron@quitter.no')
-
-    expect(old_account.id).to eq returned_account.id
-  end
-
-  it 'returns a new remote account' do
-    account = subject.call('gargron@quitter.no')
-
-    expect(account.username).to eq 'gargron'
-    expect(account.domain).to eq 'quitter.no'
-    expect(account.remote_url).to eq 'https://quitter.no/api/statuses/user_timeline/7477.atom'
-  end
-
-  it 'follows a legitimate account redirection' do
-    account = subject.call('gargron@redirected.com')
-
-    expect(account.username).to eq 'gargron'
-    expect(account.domain).to eq 'quitter.no'
-    expect(account.remote_url).to eq 'https://quitter.no/api/statuses/user_timeline/7477.atom'
-  end
-
   it 'prevents hijacking existing accounts' do
     account = subject.call('hacker1@redirected.com')
     expect(account.salmon_url).to_not eq 'https://hacker.com/main/salmon/user/7477'
@@ -61,12 +38,41 @@ RSpec.describe ResolveRemoteAccountService do
     expect(subject.call('hacker2@redirected.com')).to be_nil
   end
 
-  it 'returns a new remote account' do
-    account = subject.call('foo@localdomain.com')
+  context 'with an OStatus account' do
+    it 'returns an already existing remote account' do
+      old_account      = Fabricate(:account, username: 'gargron', domain: 'quitter.no')
+      returned_account = subject.call('gargron@quitter.no')
+
+      expect(old_account.id).to eq returned_account.id
+    end
+
+    it 'returns a new remote account' do
+      account = subject.call('gargron@quitter.no')
+
+      expect(account.username).to eq 'gargron'
+      expect(account.domain).to eq 'quitter.no'
+      expect(account.remote_url).to eq 'https://quitter.no/api/statuses/user_timeline/7477.atom'
+    end
+
+    it 'follows a legitimate account redirection' do
+      account = subject.call('gargron@redirected.com')
+
+      expect(account.username).to eq 'gargron'
+      expect(account.domain).to eq 'quitter.no'
+      expect(account.remote_url).to eq 'https://quitter.no/api/statuses/user_timeline/7477.atom'
+    end
+
+    it 'returns a new remote account' do
+      account = subject.call('foo@localdomain.com')
+
+      expect(account.username).to eq 'foo'
+      expect(account.domain).to eq 'localdomain.com'
+      expect(account.remote_url).to eq 'https://webdomain.com/users/foo.atom'
+    end
+  end
 
-    expect(account.username).to eq 'foo'
-    expect(account.domain).to eq 'localdomain.com'
-    expect(account.remote_url).to eq 'https://webdomain.com/users/foo.atom'
+  context 'with an ActivityPub account' do
+    pending
   end
 
   it 'processes one remote account at a time using locks' do
@@ -78,7 +84,7 @@ RSpec.describe ResolveRemoteAccountService do
       Thread.new do
         true while wait_for_start
         begin
-          return_values << ResolveRemoteAccountService.new.call('foo@localdomain.com')
+          return_values << described_class.new.call('foo@localdomain.com')
         rescue ActiveRecord::RecordNotUnique
           fail_occurred = true
         end
diff --git a/spec/services/unblock_service_spec.rb b/spec/services/unblock_service_spec.rb
index 1b9ae1239..def4981e7 100644
--- a/spec/services/unblock_service_spec.rb
+++ b/spec/services/unblock_service_spec.rb
@@ -18,7 +18,7 @@ RSpec.describe UnblockService do
     end
   end
 
-  describe 'remote' do
+  describe 'remote OStatus' do
     let(:bob) { Fabricate(:user, email: 'bob@example.com', account: Fabricate(:account, username: 'bob', domain: 'example.com', salmon_url: 'http://salmon.example.com')).account }
 
     before do
@@ -28,7 +28,7 @@ RSpec.describe UnblockService do
     end
 
     it 'destroys the blocking relation' do
-      expect(sender.following?(bob)).to be false
+      expect(sender.blocking?(bob)).to be false
     end
 
     it 'sends an unblock salmon slap' do
@@ -38,4 +38,22 @@ RSpec.describe UnblockService do
       }).to have_been_made.once
     end
   end
+
+  describe 'remote ActivityPub' do
+    let(:bob) { Fabricate(:user, email: 'bob@example.com', account: Fabricate(:account, username: 'bob', protocol: :activitypub, domain: 'example.com', inbox_url: 'http://example.com/inbox')).account }
+
+    before do
+      sender.block!(bob)
+      stub_request(:post, 'http://example.com/inbox').to_return(status: 200)
+      subject.call(sender, bob)
+    end
+
+    it 'destroys the blocking relation' do
+      expect(sender.blocking?(bob)).to be false
+    end
+
+    it 'sends an unblock activity' do
+      expect(a_request(:post, 'http://example.com/inbox')).to have_been_made.once
+    end
+  end
 end
diff --git a/spec/services/unfollow_service_spec.rb b/spec/services/unfollow_service_spec.rb
index 8ec2148a1..29040431e 100644
--- a/spec/services/unfollow_service_spec.rb
+++ b/spec/services/unfollow_service_spec.rb
@@ -18,8 +18,8 @@ RSpec.describe UnfollowService do
     end
   end
 
-  describe 'remote' do
-    let(:bob) { Fabricate(:user, email: 'bob@example.com', account: Fabricate(:account, username: 'bob', domain: 'example.com', salmon_url: 'http://salmon.example.com')).account }
+  describe 'remote OStatus' do
+    let(:bob) { Fabricate(:user, email: 'bob@example.com', account: Fabricate(:account, username: 'bob', protocol: :ostatus, domain: 'example.com', salmon_url: 'http://salmon.example.com')).account }
 
     before do
       sender.follow!(bob)
@@ -38,4 +38,22 @@ RSpec.describe UnfollowService do
       }).to have_been_made.once
     end
   end
+
+  describe 'remote ActivityPub' do
+    let(:bob) { Fabricate(:user, email: 'bob@example.com', account: Fabricate(:account, username: 'bob', protocol: :activitypub, domain: 'example.com', inbox_url: 'http://example.com/inbox')).account }
+
+    before do
+      sender.follow!(bob)
+      stub_request(:post, 'http://example.com/inbox').to_return(status: 200)
+      subject.call(sender, bob)
+    end
+
+    it 'destroys the following relation' do
+      expect(sender.following?(bob)).to be false
+    end
+
+    it 'sends an unfollow activity' do
+      expect(a_request(:post, 'http://example.com/inbox')).to have_been_made.once
+    end
+  end
 end
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 2bc462121..eecaec4ac 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -1,11 +1,15 @@
 require 'simplecov'
 
+GC.disable
+
 SimpleCov.start 'rails' do
   add_group 'Services', 'app/services'
   add_group 'Presenters', 'app/presenters'
   add_group 'Validators', 'app/validators'
 end
 
+gc_counter = -1
+
 RSpec.configure do |config|
   config.expect_with :rspec do |expectations|
     expectations.include_chain_clauses_in_custom_matcher_descriptions = true
@@ -22,8 +26,21 @@ RSpec.configure do |config|
   end
 
   config.after :suite do
+    gc_counter = 0
     FileUtils.rm_rf(Dir["#{Rails.root}/spec/test_files/"])
   end
+
+  config.after :each do
+    gc_counter += 1
+
+    if gc_counter > 19
+      GC.enable
+      GC.start
+      GC.disable
+
+      gc_counter = 0
+    end
+  end
 end
 
 def body_as_json
diff --git a/spec/views/about/show.html.haml_spec.rb b/spec/views/about/show.html.haml_spec.rb
index d460adfe5..95a8a6323 100644
--- a/spec/views/about/show.html.haml_spec.rb
+++ b/spec/views/about/show.html.haml_spec.rb
@@ -15,6 +15,7 @@ describe 'about/show.html.haml', without_verify_partial_doubles: true do
                                 site_title: 'something',
                                 site_description: 'something',
                                 version_number: '1.0',
+                                source_url: 'https://github.com/tootsuite/mastodon',
                                 open_registrations: false,
                                 closed_registrations_message: 'yes',
                                 commit_hash: commit_hash)
diff --git a/spec/workers/activitypub/delivery_worker_spec.rb b/spec/workers/activitypub/delivery_worker_spec.rb
new file mode 100644
index 000000000..351be185c
--- /dev/null
+++ b/spec/workers/activitypub/delivery_worker_spec.rb
@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+describe ActivityPub::DeliveryWorker do
+  subject { described_class.new }
+
+  let(:sender)  { Fabricate(:account) }
+  let(:payload) { 'test' }
+
+  describe 'perform' do
+    it 'performs a request' do
+      stub_request(:post, 'https://example.com/api').to_return(status: 200)
+      subject.perform(payload, sender.id, 'https://example.com/api')
+      expect(a_request(:post, 'https://example.com/api')).to have_been_made.once
+    end
+
+    it 'raises when request fails' do
+      stub_request(:post, 'https://example.com/api').to_return(status: 500)
+      expect { subject.perform(payload, sender.id, 'https://example.com/api') }.to raise_error Mastodon::UnexpectedResponseError
+    end
+  end
+end
diff --git a/spec/workers/activitypub/distribution_worker_spec.rb b/spec/workers/activitypub/distribution_worker_spec.rb
new file mode 100644
index 000000000..368ca025a
--- /dev/null
+++ b/spec/workers/activitypub/distribution_worker_spec.rb
@@ -0,0 +1,48 @@
+require 'rails_helper'
+
+describe ActivityPub::DistributionWorker do
+  subject { described_class.new }
+
+  let(:status)   { Fabricate(:status) }
+  let(:follower) { Fabricate(:account, protocol: :activitypub, inbox_url: 'http://example.com') }
+
+  describe '#perform' do
+    before do
+      allow(ActivityPub::DeliveryWorker).to receive(:push_bulk)
+      follower.follow!(status.account)
+    end
+
+    context 'with public status' do
+      before do
+        status.update(visibility: :public)
+      end
+
+      it 'delivers to followers' do
+        subject.perform(status.id)
+        expect(ActivityPub::DeliveryWorker).to have_received(:push_bulk).with(['http://example.com'])
+      end
+    end
+
+    context 'with private status' do
+      before do
+        status.update(visibility: :private)
+      end
+
+      it 'delivers to followers' do
+        subject.perform(status.id)
+        expect(ActivityPub::DeliveryWorker).to have_received(:push_bulk).with(['http://example.com'])
+      end
+    end
+
+    context 'with direct status' do
+      before do
+        status.update(visibility: :direct)
+      end
+
+      it 'does nothing' do
+        subject.perform(status.id)
+        expect(ActivityPub::DeliveryWorker).to_not have_received(:push_bulk)
+      end
+    end
+  end
+end
diff --git a/spec/workers/activitypub/processing_worker_spec.rb b/spec/workers/activitypub/processing_worker_spec.rb
new file mode 100644
index 000000000..b42c0bdbc
--- /dev/null
+++ b/spec/workers/activitypub/processing_worker_spec.rb
@@ -0,0 +1,15 @@
+require 'rails_helper'
+
+describe ActivityPub::ProcessingWorker do
+  subject { described_class.new }
+
+  let(:account) { Fabricate(:account) }
+
+  describe '#perform' do
+    it 'delegates to ActivityPub::ProcessCollectionService' do
+      allow(ActivityPub::ProcessCollectionService).to receive(:new).and_return(double(:service, call: nil))
+      subject.perform(account.id, '')
+      expect(ActivityPub::ProcessCollectionService).to have_received(:new)
+    end
+  end
+end
diff --git a/spec/workers/activitypub/update_distribution_worker_spec.rb b/spec/workers/activitypub/update_distribution_worker_spec.rb
new file mode 100644
index 000000000..688a424d5
--- /dev/null
+++ b/spec/workers/activitypub/update_distribution_worker_spec.rb
@@ -0,0 +1,20 @@
+require 'rails_helper'
+
+describe ActivityPub::UpdateDistributionWorker do
+  subject { described_class.new }
+
+  let(:account)  { Fabricate(:account) }
+  let(:follower) { Fabricate(:account, protocol: :activitypub, inbox_url: 'http://example.com') }
+
+  describe '#perform' do
+    before do
+      allow(ActivityPub::DeliveryWorker).to receive(:push_bulk)
+      follower.follow!(account)
+    end
+
+    it 'delivers to followers' do
+      subject.perform(account.id)
+      expect(ActivityPub::DeliveryWorker).to have_received(:push_bulk).with(['http://example.com'])
+    end
+  end
+end
diff --git a/spec/workers/pubsubhubbub/distribution_worker_spec.rb b/spec/workers/pubsubhubbub/distribution_worker_spec.rb
index 89191c084..5c22e7fa8 100644
--- a/spec/workers/pubsubhubbub/distribution_worker_spec.rb
+++ b/spec/workers/pubsubhubbub/distribution_worker_spec.rb
@@ -22,24 +22,62 @@ describe Pubsubhubbub::DistributionWorker do
     end
   end
 
-  describe 'with private status' do
-    let(:status) { Fabricate(:status, account: alice, text: 'Hello', visibility: :private) }
+  context 'when OStatus privacy is used' do
+    around do |example|
+      before_val = Rails.configuration.x.use_ostatus_privacy
+      Rails.configuration.x.use_ostatus_privacy = true
+      example.run
+      Rails.configuration.x.use_ostatus_privacy = before_val
+    end
 
-    it 'delivers payload only to subscriptions with followers' do
-      allow(Pubsubhubbub::DeliveryWorker).to receive(:push_bulk)
-      subject.perform(status.stream_entry.id)
-      expect(Pubsubhubbub::DeliveryWorker).to have_received(:push_bulk).with([subscription_with_follower])
-      expect(Pubsubhubbub::DeliveryWorker).to_not have_received(:push_bulk).with([anonymous_subscription])
+    describe 'with private status' do
+      let(:status) { Fabricate(:status, account: alice, text: 'Hello', visibility: :private) }
+
+      it 'delivers payload only to subscriptions with followers' do
+        allow(Pubsubhubbub::DeliveryWorker).to receive(:push_bulk)
+        subject.perform(status.stream_entry.id)
+        expect(Pubsubhubbub::DeliveryWorker).to have_received(:push_bulk).with([subscription_with_follower])
+        expect(Pubsubhubbub::DeliveryWorker).to_not have_received(:push_bulk).with([anonymous_subscription])
+      end
+    end
+
+    describe 'with direct status' do
+      let(:status) { Fabricate(:status, account: alice, text: 'Hello', visibility: :direct) }
+
+      it 'does not deliver payload' do
+        allow(Pubsubhubbub::DeliveryWorker).to receive(:push_bulk)
+        subject.perform(status.stream_entry.id)
+        expect(Pubsubhubbub::DeliveryWorker).to_not have_received(:push_bulk)
+      end
     end
   end
 
-  describe 'with direct status' do
-    let(:status) { Fabricate(:status, account: alice, text: 'Hello', visibility: :direct) }
+  context 'when OStatus privacy is not used' do
+    around do |example|
+      before_val = Rails.configuration.x.use_ostatus_privacy
+      Rails.configuration.x.use_ostatus_privacy = false
+      example.run
+      Rails.configuration.x.use_ostatus_privacy = before_val
+    end
 
-    it 'does not deliver payload' do
-      allow(Pubsubhubbub::DeliveryWorker).to receive(:push_bulk)
-      subject.perform(status.stream_entry.id)
-      expect(Pubsubhubbub::DeliveryWorker).to_not have_received(:push_bulk)
+    describe 'with private status' do
+      let(:status) { Fabricate(:status, account: alice, text: 'Hello', visibility: :private) }
+
+      it 'does not deliver anything' do
+        allow(Pubsubhubbub::DeliveryWorker).to receive(:push_bulk)
+        subject.perform(status.stream_entry.id)
+        expect(Pubsubhubbub::DeliveryWorker).to_not have_received(:push_bulk)
+      end
+    end
+
+    describe 'with direct status' do
+      let(:status) { Fabricate(:status, account: alice, text: 'Hello', visibility: :direct) }
+
+      it 'does not deliver payload' do
+        allow(Pubsubhubbub::DeliveryWorker).to receive(:push_bulk)
+        subject.perform(status.stream_entry.id)
+        expect(Pubsubhubbub::DeliveryWorker).to_not have_received(:push_bulk)
+      end
     end
   end
 end