Merge branch 'master' into glitch-soc/merge-upstream

Conflicts:
- app/controllers/oauth/authorized_applications_controller.rb
  Two changes too close to each other
- app/controllers/settings/sessions_controller.rb
- app/lib/user_settings_decorator.rb
  Two changes too close to each other
- app/models/media_attachment.rb
  New changes too close to glitch-soc only changes.
- app/models/user.rb
  Two changes too close to each other.
- app/services/remove_status_service.rb
  Kept direct timeline code which had been removed upstream.
- app/views/settings/preferences/show.html.haml
  Two changes too close to each other.
- config/locales/en.yml
  Introduction of a new string too close to glitch-soc-only's “flavour”
- config/locales/ja.yml
  Introduction of a new string too close to glitch-soc-only's “flavour”
- config/locales/pl.yml
  Introduction of a new string too close to glitch-soc-only's “flavour”
- config/locales/simple_form.en.yml
  Introduction of a new string too close to glitch-soc-only's “skin”
- config/locales/simple_form.pl.yml
  Introduction of a new string too close to glitch-soc-only's “skin”
- config/settings.yml
  Reverted upstream's decision of enabling posting application by default.

60 files changed, 491 insertions, 151 deletions

diff --git a/app/controllers/accounts_controller.rb b/app/controllers/accounts_controller.rb
index 3a4382850..442e99089 100644
--- a/app/controllers/accounts_controller.rb
+++ b/app/controllers/accounts_controller.rb
@@ -53,11 +53,12 @@ class AccountsController < ApplicationController
   private
 
   def show_pinned_statuses?
-    [replies_requested?, media_requested?, params[:max_id].present?, params[:min_id].present?].none?
+    [replies_requested?, media_requested?, tag_requested?, params[:max_id].present?, params[:min_id].present?].none?
   end
 
   def filtered_statuses
     default_statuses.tap do |statuses|
+      statuses.merge!(hashtag_scope)    if tag_requested?
       statuses.merge!(only_media_scope) if media_requested?
       statuses.merge!(no_replies_scope) unless replies_requested?
     end
@@ -79,12 +80,15 @@ class AccountsController < ApplicationController
     Status.without_replies
   end
 
+  def hashtag_scope
+    Status.tagged_with(Tag.find_by(name: params[:tag].downcase)&.id)
+  end
+
   def set_account
     @account = Account.find_local!(params[:username])
   end
 
   def older_url
-    ::Rails.logger.info("older: max_id #{@statuses.last.id}, url #{pagination_url(max_id: @statuses.last.id)}")
     pagination_url(max_id: @statuses.last.id)
   end
 
@@ -93,7 +97,9 @@ class AccountsController < ApplicationController
   end
 
   def pagination_url(max_id: nil, min_id: nil)
-    if media_requested?
+    if tag_requested?
+      short_account_tag_url(@account, params[:tag], max_id: max_id, min_id: min_id)
+    elsif media_requested?
       short_account_media_url(@account, max_id: max_id, min_id: min_id)
     elsif replies_requested?
       short_account_with_replies_url(@account, max_id: max_id, min_id: min_id)
@@ -110,6 +116,10 @@ class AccountsController < ApplicationController
     request.path.ends_with?('/with_replies')
   end
 
+  def tag_requested?
+    request.path.ends_with?(Addressable::URI.parse("/tagged/#{params[:tag]}").normalize)
+  end
+
   def filtered_status_page(params)
     if params[:min_id].present?
       filtered_statuses.paginate_by_min_id(PAGE_SIZE, params[:min_id]).reverse
diff --git a/app/controllers/api/v1/accounts/statuses_controller.rb b/app/controllers/api/v1/accounts/statuses_controller.rb
index 6c2a5c141..6fdc827cb 100644
--- a/app/controllers/api/v1/accounts/statuses_controller.rb
+++ b/app/controllers/api/v1/accounts/statuses_controller.rb
@@ -33,6 +33,7 @@ class Api::V1::Accounts::StatusesController < Api::BaseController
     statuses.merge!(only_media_scope) if truthy_param?(:only_media)
     statuses.merge!(no_replies_scope) if truthy_param?(:exclude_replies)
     statuses.merge!(no_reblogs_scope) if truthy_param?(:exclude_reblogs)
+    statuses.merge!(hashtag_scope)    if params[:tagged].present?
 
     statuses
   end
@@ -67,6 +68,10 @@ class Api::V1::Accounts::StatusesController < Api::BaseController
     Status.without_reblogs
   end
 
+  def hashtag_scope
+    Status.tagged_with(Tag.find_by(name: params[:tagged])&.id)
+  end
+
   def pagination_params(core_params)
     params.slice(:limit, :only_media, :exclude_replies).permit(:limit, :only_media, :exclude_replies).merge(core_params)
   end
diff --git a/app/controllers/oauth/authorized_applications_controller.rb b/app/controllers/oauth/authorized_applications_controller.rb
index 1e420b3e7..4e45445df 100644
--- a/app/controllers/oauth/authorized_applications_controller.rb
+++ b/app/controllers/oauth/authorized_applications_controller.rb
@@ -6,6 +6,7 @@ class Oauth::AuthorizedApplicationsController < Doorkeeper::AuthorizedApplicatio
   before_action :store_current_location
   before_action :authenticate_resource_owner!
   before_action :set_pack
+  before_action :set_body_classes
 
   include Localized
 
@@ -16,6 +17,10 @@ class Oauth::AuthorizedApplicationsController < Doorkeeper::AuthorizedApplicatio
 
   private
 
+  def set_body_classes
+    @body_classes = 'admin'
+  end
+
   def store_current_location
     store_location_for(:user, request.url)
   end
diff --git a/app/controllers/settings/featured_tags_controller.rb b/app/controllers/settings/featured_tags_controller.rb
new file mode 100644
index 000000000..3a3241425
--- /dev/null
+++ b/app/controllers/settings/featured_tags_controller.rb
@@ -0,0 +1,51 @@
+# frozen_string_literal: true
+
+class Settings::FeaturedTagsController < Settings::BaseController
+  layout 'admin'
+
+  before_action :authenticate_user!
+  before_action :set_featured_tags, only: :index
+  before_action :set_featured_tag, except: [:index, :create]
+  before_action :set_most_used_tags, only: :index
+
+  def index
+    @featured_tag = FeaturedTag.new
+  end
+
+  def create
+    @featured_tag = current_account.featured_tags.new(featured_tag_params)
+    @featured_tag.reset_data
+
+    if @featured_tag.save
+      redirect_to settings_featured_tags_path
+    else
+      set_featured_tags
+      set_most_used_tags
+
+      render :index
+    end
+  end
+
+  def destroy
+    @featured_tag.destroy!
+    redirect_to settings_featured_tags_path
+  end
+
+  private
+
+  def set_featured_tag
+    @featured_tag = current_account.featured_tags.find(params[:id])
+  end
+
+  def set_featured_tags
+    @featured_tags = current_account.featured_tags.order(statuses_count: :desc).reject(&:new_record?)
+  end
+
+  def set_most_used_tags
+    @most_used_tags = Tag.most_used(current_account).where.not(id: @featured_tags.map(&:id)).limit(10)
+  end
+
+  def featured_tag_params
+    params.require(:featured_tag).permit(:name)
+  end
+end
diff --git a/app/controllers/settings/profiles_controller.rb b/app/controllers/settings/profiles_controller.rb
index 1a0b73d16..76d599f08 100644
--- a/app/controllers/settings/profiles_controller.rb
+++ b/app/controllers/settings/profiles_controller.rb
@@ -29,6 +29,6 @@ class Settings::ProfilesController < Settings::BaseController
   end
 
   def set_account
-    @account = current_user.account
+    @account = current_account
   end
 end
diff --git a/app/controllers/settings/sessions_controller.rb b/app/controllers/settings/sessions_controller.rb
index 780ea64b4..d74db6000 100644
--- a/app/controllers/settings/sessions_controller.rb
+++ b/app/controllers/settings/sessions_controller.rb
@@ -2,6 +2,7 @@
 
 #  Intentionally does not inherit from BaseController
 class Settings::SessionsController < ApplicationController
+  before_action :authenticate_user!
   before_action :set_session, only: :destroy
 
   def destroy
diff --git a/app/javascript/mastodon/actions/alerts.js b/app/javascript/mastodon/actions/alerts.js
index 3f5d7ef46..50cd48a9e 100644
--- a/app/javascript/mastodon/actions/alerts.js
+++ b/app/javascript/mastodon/actions/alerts.js
@@ -22,7 +22,7 @@ export function clearAlert() {
   };
 };
 
-export function showAlert(title, message) {
+export function showAlert(title = messages.unexpectedTitle, message = messages.unexpectedMessage) {
   return {
     type: ALERT_SHOW,
     title,
@@ -44,6 +44,6 @@ export function showAlertForError(error) {
     return showAlert(title, message);
   } else {
     console.error(error);
-    return showAlert(messages.unexpectedTitle, messages.unexpectedMessage);
+    return showAlert();
   }
 }
diff --git a/app/javascript/mastodon/actions/compose.js b/app/javascript/mastodon/actions/compose.js
index a4352faab..0be2a5cd4 100644
--- a/app/javascript/mastodon/actions/compose.js
+++ b/app/javascript/mastodon/actions/compose.js
@@ -8,6 +8,8 @@ import resizeImage from '../utils/resize_image';
 import { importFetchedAccounts } from './importer';
 import { updateTimeline } from './timelines';
 import { showAlertForError } from './alerts';
+import { showAlert } from './alerts';
+import { defineMessages } from 'react-intl';
 
 let cancelFetchComposeSuggestionsAccounts;
 
@@ -49,6 +51,10 @@ export const COMPOSE_UPLOAD_CHANGE_REQUEST     = 'COMPOSE_UPLOAD_UPDATE_REQUEST'
 export const COMPOSE_UPLOAD_CHANGE_SUCCESS     = 'COMPOSE_UPLOAD_UPDATE_SUCCESS';
 export const COMPOSE_UPLOAD_CHANGE_FAIL        = 'COMPOSE_UPLOAD_UPDATE_FAIL';
 
+const messages = defineMessages({
+  uploadErrorLimit: { id: 'upload_error.limit', defaultMessage: 'File upload limit exceeded.' },
+});
+
 export function changeCompose(text) {
   return {
     type: COMPOSE_CHANGE,
@@ -184,20 +190,32 @@ export function submitComposeFail(error) {
 
 export function uploadCompose(files) {
   return function (dispatch, getState) {
-    if (getState().getIn(['compose', 'media_attachments']).size > 3) {
+    const uploadLimit = 4;
+    const media  = getState().getIn(['compose', 'media_attachments']);
+    const total = Array.from(files).reduce((a, v) => a + v.size, 0);
+    const progress = new Array(files.length).fill(0);
+
+    if (files.length + media.size > uploadLimit) {
+      dispatch(showAlert(undefined, messages.uploadErrorLimit));
       return;
     }
-
     dispatch(uploadComposeRequest());
 
-    resizeImage(files[0]).then(file => {
-      const data = new FormData();
-      data.append('file', file);
-
-      return api(getState).post('/api/v1/media', data, {
-        onUploadProgress: ({ loaded, total }) => dispatch(uploadComposeProgress(loaded, total)),
-      }).then(({ data }) => dispatch(uploadComposeSuccess(data)));
-    }).catch(error => dispatch(uploadComposeFail(error)));
+    for (const [i, f] of Array.from(files).entries()) {
+      if (media.size + i > 3) break;
+
+      resizeImage(f).then(file => {
+        const data = new FormData();
+        data.append('file', file);
+
+        return api(getState).post('/api/v1/media', data, {
+          onUploadProgress: function({ loaded }){
+            progress[i] = loaded;
+            dispatch(uploadComposeProgress(progress.reduce((a, v) => a + v, 0), total));
+          },
+        }).then(({ data }) => dispatch(uploadComposeSuccess(data)));
+      }).catch(error => dispatch(uploadComposeFail(error)));
+    };
   };
 };
 
diff --git a/app/javascript/mastodon/components/intersection_observer_article.js b/app/javascript/mastodon/components/intersection_observer_article.js
index de2203a4b..e453730ba 100644
--- a/app/javascript/mastodon/components/intersection_observer_article.js
+++ b/app/javascript/mastodon/components/intersection_observer_article.js
@@ -65,7 +65,7 @@ export default class IntersectionObserverArticle extends React.Component {
   }
 
   updateStateAfterIntersection = (prevState) => {
-    if (prevState.isIntersecting && !this.entry.isIntersecting) {
+    if (prevState.isIntersecting !== false && !this.entry.isIntersecting) {
       scheduleIdleTask(this.hideIfNotIntersecting);
     }
     return {
diff --git a/app/javascript/mastodon/containers/compose_container.js b/app/javascript/mastodon/containers/compose_container.js
index 5ee1d2f14..7bc7bbaa4 100644
--- a/app/javascript/mastodon/containers/compose_container.js
+++ b/app/javascript/mastodon/containers/compose_container.js
@@ -7,6 +7,7 @@ import { IntlProvider, addLocaleData } from 'react-intl';
 import { getLocale } from '../locales';
 import Compose from '../features/standalone/compose';
 import initialState from '../initial_state';
+import { fetchCustomEmojis } from '../actions/custom_emojis';
 
 const { localeData, messages } = getLocale();
 addLocaleData(localeData);
@@ -17,6 +18,8 @@ if (initialState) {
   store.dispatch(hydrateStore(initialState));
 }
 
+store.dispatch(fetchCustomEmojis());
+
 export default class TimelineContainer extends React.PureComponent {
 
   static propTypes = {
diff --git a/app/javascript/mastodon/features/compose/components/upload_button.js b/app/javascript/mastodon/features/compose/components/upload_button.js
index b6fe770ea..db55ad70b 100644
--- a/app/javascript/mastodon/features/compose/components/upload_button.js
+++ b/app/javascript/mastodon/features/compose/components/upload_button.js
@@ -63,7 +63,7 @@ class UploadButton extends ImmutablePureComponent {
             key={resetFileKey}
             ref={this.setRef}
             type='file'
-            multiple={false}
+            multiple
             accept={acceptContentTypes.toArray().join(',')}
             onChange={this.handleChange}
             disabled={disabled}
diff --git a/app/javascript/mastodon/features/getting_started/index.js b/app/javascript/mastodon/features/getting_started/index.js
index e277a73c7..e1f84de27 100644
--- a/app/javascript/mastodon/features/getting_started/index.js
+++ b/app/javascript/mastodon/features/getting_started/index.js
@@ -160,7 +160,7 @@ class GettingStarted extends ImmutablePureComponent {
               {invitesEnabled && <li><a href='/invites' target='_blank'><FormattedMessage id='getting_started.invite' defaultMessage='Invite people' /></a> · </li>}
               {multiColumn && <li><Link to='/keyboard-shortcuts'><FormattedMessage id='navigation_bar.keyboard_shortcuts' defaultMessage='Hotkeys' /></Link> · </li>}
               <li><a href='/auth/edit'><FormattedMessage id='getting_started.security' defaultMessage='Security' /></a> · </li>
-              <li><a href='/about/more' target='_blank'><FormattedMessage id='navigation_bar.info' defaultMessage='About this instance' /></a> · </li>
+              <li><a href='/about/more' target='_blank'><FormattedMessage id='navigation_bar.info' defaultMessage='About this server' /></a> · </li>
               <li><a href='https://joinmastodon.org/apps' target='_blank'><FormattedMessage id='navigation_bar.apps' defaultMessage='Mobile apps' /></a> · </li>
               <li><a href='/terms' target='_blank'><FormattedMessage id='getting_started.terms' defaultMessage='Terms of service' /></a> · </li>
               <li><a href='/settings/applications' target='_blank'><FormattedMessage id='getting_started.developers' defaultMessage='Developers' /></a> · </li>
diff --git a/app/javascript/mastodon/features/introduction/index.js b/app/javascript/mastodon/features/introduction/index.js
index e712b2f7d..754477bb9 100644
--- a/app/javascript/mastodon/features/introduction/index.js
+++ b/app/javascript/mastodon/features/introduction/index.js
@@ -89,7 +89,7 @@ const FrameInteractions = ({ onNext }) => (
     </div>
 
     <div className='introduction__action'>
-      <button className='button' onClick={onNext}><FormattedMessage id='introduction.interactions.action' defaultMessage='Finish tutorial!' /></button>
+      <button className='button' onClick={onNext}><FormattedMessage id='introduction.interactions.action' defaultMessage='Finish toot-orial!' /></button>
     </div>
   </div>
 );
diff --git a/app/javascript/mastodon/features/public_timeline/index.js b/app/javascript/mastodon/features/public_timeline/index.js
index d640033eb..2b7d9c56f 100644
--- a/app/javascript/mastodon/features/public_timeline/index.js
+++ b/app/javascript/mastodon/features/public_timeline/index.js
@@ -124,7 +124,7 @@ class PublicTimeline extends React.PureComponent {
           onLoadMore={this.handleLoadMore}
           trackScroll={!pinned}
           scrollKey={`public_timeline-${columnId}`}
-          emptyMessage={<FormattedMessage id='empty_column.public' defaultMessage='There is nothing here! Write something publicly, or manually follow users from other instances to fill it up' />}
+          emptyMessage={<FormattedMessage id='empty_column.public' defaultMessage='There is nothing here! Write something publicly, or manually follow users from other servers to fill it up' />}
           shouldUpdateScroll={shouldUpdateScroll}
         />
       </Column>
diff --git a/app/javascript/mastodon/features/ui/components/report_modal.js b/app/javascript/mastodon/features/ui/components/report_modal.js
index bc6b18664..2e41f784d 100644
--- a/app/javascript/mastodon/features/ui/components/report_modal.js
+++ b/app/javascript/mastodon/features/ui/components/report_modal.js
@@ -97,7 +97,7 @@ class ReportModal extends ImmutablePureComponent {
 
         <div className='report-modal__container'>
           <div className='report-modal__comment'>
-            <p><FormattedMessage id='report.hint' defaultMessage='The report will be sent to your instance moderators. You can provide an explanation of why you are reporting this account below:' /></p>
+            <p><FormattedMessage id='report.hint' defaultMessage='The report will be sent to your server moderators. You can provide an explanation of why you are reporting this account below:' /></p>
 
             <textarea
               className='setting-text light'
diff --git a/app/javascript/mastodon/features/ui/index.js b/app/javascript/mastodon/features/ui/index.js
index f01c2bf24..93e45678f 100644
--- a/app/javascript/mastodon/features/ui/index.js
+++ b/app/javascript/mastodon/features/ui/index.js
@@ -263,7 +263,7 @@ class UI extends React.PureComponent {
     this.setState({ draggingOver: false });
     this.dragTargets = [];
 
-    if (e.dataTransfer && e.dataTransfer.files.length === 1) {
+    if (e.dataTransfer && e.dataTransfer.files.length >= 1) {
       this.props.dispatch(uploadCompose(e.dataTransfer.files));
     }
   }
diff --git a/app/javascript/mastodon/locales/defaultMessages.json b/app/javascript/mastodon/locales/defaultMessages.json
index 60f481076..eb3a7bbde 100644
--- a/app/javascript/mastodon/locales/defaultMessages.json
+++ b/app/javascript/mastodon/locales/defaultMessages.json
@@ -15,6 +15,15 @@
   {
     "descriptors": [
       {
+        "defaultMessage": "File upload limit exceeded.",
+        "id": "upload_error.limit"
+      }
+    ],
+    "path": "app/javascript/mastodon/actions/compose.json"
+  },
+  {
+    "descriptors": [
+      {
         "defaultMessage": "{name} mentioned you",
         "id": "notification.mention"
       },
@@ -1275,7 +1284,7 @@
         "id": "getting_started.security"
       },
       {
-        "defaultMessage": "About this instance",
+        "defaultMessage": "About this server",
         "id": "navigation_bar.info"
       },
       {
@@ -1448,7 +1457,7 @@
         "id": "introduction.interactions.favourite.text"
       },
       {
-        "defaultMessage": "Finish tutorial!",
+        "defaultMessage": "Finish toot-orial!",
         "id": "introduction.interactions.action"
       }
     ],
@@ -1828,7 +1837,7 @@
         "id": "column.public"
       },
       {
-        "defaultMessage": "There is nothing here! Write something publicly, or manually follow users from other instances to fill it up",
+        "defaultMessage": "There is nothing here! Write something publicly, or manually follow users from other servers to fill it up",
         "id": "empty_column.public"
       }
     ],
@@ -2188,7 +2197,7 @@
         "id": "report.target"
       },
       {
-        "defaultMessage": "The report will be sent to your instance moderators. You can provide an explanation of why you are reporting this account below:",
+        "defaultMessage": "The report will be sent to your server moderators. You can provide an explanation of why you are reporting this account below:",
         "id": "report.hint"
       },
       {
@@ -2298,4 +2307,4 @@
     ],
     "path": "app/javascript/mastodon/features/video/index.json"
   }
-]
\ No newline at end of file
+]
diff --git a/app/javascript/mastodon/locales/en.json b/app/javascript/mastodon/locales/en.json
index 3bb157aeb..b079f256d 100644
--- a/app/javascript/mastodon/locales/en.json
+++ b/app/javascript/mastodon/locales/en.json
@@ -132,7 +132,7 @@
   "empty_column.lists": "You don't have any lists yet. When you create one, it will show up here.",
   "empty_column.mutes": "You haven't muted any users yet.",
   "empty_column.notifications": "You don't have any notifications yet. Interact with others to start the conversation.",
-  "empty_column.public": "There is nothing here! Write something publicly, or manually follow users from other instances to fill it up",
+  "empty_column.public": "There is nothing here! Write something publicly, or manually follow users from other servers to fill it up",
   "follow_request.authorize": "Authorize",
   "follow_request.reject": "Reject",
   "getting_started.developers": "Developers",
@@ -228,7 +228,7 @@
   "navigation_bar.favourites": "Favourites",
   "navigation_bar.filters": "Muted words",
   "navigation_bar.follow_requests": "Follow requests",
-  "navigation_bar.info": "About this instance",
+  "navigation_bar.info": "About this server",
   "navigation_bar.keyboard_shortcuts": "Hotkeys",
   "navigation_bar.lists": "Lists",
   "navigation_bar.misc": "Misc",
@@ -281,7 +281,7 @@
   "reply_indicator.cancel": "Cancel",
   "report.forward": "Forward to {target}",
   "report.forward_hint": "The account is from another server. Send an anonymized copy of the report there as well?",
-  "report.hint": "The report will be sent to your instance moderators. You can provide an explanation of why you are reporting this account below:",
+  "report.hint": "The report will be sent to your server moderators. You can provide an explanation of why you are reporting this account below:",
   "report.placeholder": "Additional comments",
   "report.submit": "Submit",
   "report.target": "Reporting {target}",
@@ -347,6 +347,7 @@
   "ui.beforeunload": "Your draft will be lost if you leave Mastodon.",
   "upload_area.title": "Drag & drop to upload",
   "upload_button.label": "Add media (JPEG, PNG, GIF, WebM, MP4, MOV)",
+  "upload_error.limit": "File upload limit exceeded.",
   "upload_form.description": "Describe for the visually impaired",
   "upload_form.focus": "Change preview",
   "upload_form.undo": "Delete",
diff --git a/app/javascript/mastodon/locales/ja.json b/app/javascript/mastodon/locales/ja.json
index e0cba7764..4bcc11d70 100644
--- a/app/javascript/mastodon/locales/ja.json
+++ b/app/javascript/mastodon/locales/ja.json
@@ -132,7 +132,7 @@
   "empty_column.lists": "まだリストがありません。リストを作るとここに表示されます。",
   "empty_column.mutes": "まだ誰もミュートしていません。",
   "empty_column.notifications": "まだ通知がありません。他の人とふれ合って会話を始めましょう。",
-  "empty_column.public": "ここにはまだ何もありません！ 公開で何かを投稿したり、他のインスタンスのユーザーをフォローしたりしていっぱいにしましょう",
+  "empty_column.public": "ここにはまだ何もありません！ 公開で何かを投稿したり、他のサーバーのユーザーをフォローしたりしていっぱいにしましょう",
   "follow_request.authorize": "許可",
   "follow_request.reject": "拒否",
   "getting_started.developers": "開発",
@@ -228,7 +228,7 @@
   "navigation_bar.favourites": "お気に入り",
   "navigation_bar.filters": "フィルター設定",
   "navigation_bar.follow_requests": "フォローリクエスト",
-  "navigation_bar.info": "このインスタンスについて",
+  "navigation_bar.info": "このサーバーについて",
   "navigation_bar.keyboard_shortcuts": "ホットキー",
   "navigation_bar.lists": "リスト",
   "navigation_bar.logout": "ログアウト",
@@ -280,8 +280,8 @@
   "relative_time.seconds": "{number}秒前",
   "reply_indicator.cancel": "キャンセル",
   "report.forward": "{target} に転送する",
-  "report.forward_hint": "このアカウントは別のインスタンスに所属しています。通報内容を匿名で転送しますか？",
-  "report.hint": "通報内容はあなたのインスタンスのモデレーターへ送信されます。通報理由を入力してください。:",
+  "report.forward_hint": "このアカウントは別のサーバーに所属しています。通報内容を匿名で転送しますか？",
+  "report.hint": "通報内容はあなたのサーバーのモデレーターへ送信されます。通報理由を入力してください。:",
   "report.placeholder": "追加コメント",
   "report.submit": "通報する",
   "report.target": "{target}さんを通報する",
@@ -347,6 +347,7 @@
   "ui.beforeunload": "Mastodonから離れると送信前の投稿は失われます。",
   "upload_area.title": "ドラッグ＆ドロップでアップロード",
   "upload_button.label": "メディアを追加 (JPEG, PNG, GIF, WebM, MP4, MOV)",
+  "upload_error.limit": "アップロードできる上限を超えています。",
   "upload_form.description": "視覚障害者のための説明",
   "upload_form.focus": "焦点",
   "upload_form.undo": "削除",
diff --git a/app/javascript/mastodon/locales/pl.json b/app/javascript/mastodon/locales/pl.json
index 9f78c430f..e9e0c768d 100644
--- a/app/javascript/mastodon/locales/pl.json
+++ b/app/javascript/mastodon/locales/pl.json
@@ -347,6 +347,7 @@
   "ui.beforeunload": "Utracisz tworzony wpis, jeżeli opuścisz Mastodona.",
   "upload_area.title": "Przeciągnij i upuść aby wysłać",
   "upload_button.label": "Dodaj zawartość multimedialną (JPEG, PNG, GIF, WebM, MP4, MOV)",
+  "upload_error.limit": "Przekroczono limit plików do wysłania.",
   "upload_form.description": "Wprowadź opis dla niewidomych i niedowidzących",
   "upload_form.focus": "Dopasuj podgląd",
   "upload_form.undo": "Usuń",
diff --git a/app/javascript/mastodon/utils/resize_image.js b/app/javascript/mastodon/utils/resize_image.js
index d1608094f..bbdbc865e 100644
--- a/app/javascript/mastodon/utils/resize_image.js
+++ b/app/javascript/mastodon/utils/resize_image.js
@@ -31,7 +31,7 @@ const loadImage = inputFile => new Promise((resolve, reject) => {
 });
 
 const getOrientation = (img, type = 'image/png') => new Promise(resolve => {
-  if (type !== 'image/jpeg') {
+  if (!['image/jpeg', 'image/webp'].includes(type)) {
     resolve(1);
     return;
   }
diff --git a/app/javascript/styles/mastodon/accounts.scss b/app/javascript/styles/mastodon/accounts.scss
index 63a5c61b8..f4f458cf4 100644
--- a/app/javascript/styles/mastodon/accounts.scss
+++ b/app/javascript/styles/mastodon/accounts.scss
@@ -288,3 +288,7 @@
     border-bottom: 0;
   }
 }
+
+.directory__tag .trends__item__current {
+  width: auto;
+}
diff --git a/app/javascript/styles/mastodon/admin.scss b/app/javascript/styles/mastodon/admin.scss
index 4e969601b..4dbbaa1e8 100644
--- a/app/javascript/styles/mastodon/admin.scss
+++ b/app/javascript/styles/mastodon/admin.scss
@@ -153,10 +153,15 @@ $content-width: 840px;
       font-weight: 500;
     }
 
-    .directory__tag a {
+    .directory__tag > a,
+    .directory__tag > div {
       box-shadow: none;
     }
 
+    .directory__tag .table-action-link .fa {
+      color: inherit;
+    }
+
     .directory__tag h4 {
       font-size: 18px;
       font-weight: 700;
diff --git a/app/javascript/styles/mastodon/components.scss b/app/javascript/styles/mastodon/components.scss
index 8c1115e76..e29abf4f3 100644
--- a/app/javascript/styles/mastodon/components.scss
+++ b/app/javascript/styles/mastodon/components.scss
@@ -638,7 +638,6 @@
   font-weight: 400;
   overflow: hidden;
   text-overflow: ellipsis;
-  white-space: pre-wrap;
   padding-top: 2px;
   color: $primary-text-color;
 
@@ -662,6 +661,7 @@
 
   p {
     margin-bottom: 20px;
+    white-space: pre-wrap;
 
     &:last-child {
       margin-bottom: 0;
diff --git a/app/javascript/styles/mastodon/widgets.scss b/app/javascript/styles/mastodon/widgets.scss
index c97337e4e..1eaf30c5b 100644
--- a/app/javascript/styles/mastodon/widgets.scss
+++ b/app/javascript/styles/mastodon/widgets.scss
@@ -269,7 +269,8 @@
     box-sizing: border-box;
     margin-bottom: 10px;
 
-    a {
+    & > a,
+    & > div {
       display: flex;
       align-items: center;
       justify-content: space-between;
@@ -279,7 +280,9 @@
       text-decoration: none;
       color: inherit;
       box-shadow: 0 0 15px rgba($base-shadow-color, 0.2);
+    }
 
+    & > a {
       &:hover,
       &:active,
       &:focus {
@@ -287,7 +290,7 @@
       }
     }
 
-    &.active a {
+    &.active > a {
       background: $ui-highlight-color;
       cursor: default;
     }
diff --git a/app/lib/activity_tracker.rb b/app/lib/activity_tracker.rb
index 5b4972674..ae3c11b6a 100644
--- a/app/lib/activity_tracker.rb
+++ b/app/lib/activity_tracker.rb
@@ -4,6 +4,8 @@ class ActivityTracker
   EXPIRE_AFTER = 90.days.seconds
 
   class << self
+    include Redisable
+
     def increment(prefix)
       key = [prefix, current_week].join(':')
 
@@ -20,10 +22,6 @@ class ActivityTracker
 
     private
 
-    def redis
-      Redis.current
-    end
-
     def current_week
       Time.zone.today.cweek
     end
diff --git a/app/lib/activitypub/activity.rb b/app/lib/activitypub/activity.rb
index 87318fb1c..919678618 100644
--- a/app/lib/activitypub/activity.rb
+++ b/app/lib/activitypub/activity.rb
@@ -2,6 +2,7 @@
 
 class ActivityPub::Activity
   include JsonLdHelper
+  include Redisable
 
   def initialize(json, account, **options)
     @json    = json
@@ -70,10 +71,6 @@ class ActivityPub::Activity
     @object_uri ||= value_or_id(@object)
   end
 
-  def redis
-    Redis.current
-  end
-
   def distribute(status)
     crawl_links(status)
 
diff --git a/app/lib/feed_manager.rb b/app/lib/feed_manager.rb
index a1b186f1c..4bc75dae8 100644
--- a/app/lib/feed_manager.rb
+++ b/app/lib/feed_manager.rb
@@ -4,6 +4,7 @@ require 'singleton'
 
 class FeedManager
   include Singleton
+  include Redisable
 
   MAX_ITEMS = 400
 
@@ -35,7 +36,7 @@ class FeedManager
 
   def unpush_from_home(account, status)
     return false unless remove_from_feed(:home, account.id, status)
-    Redis.current.publish("timeline:#{account.id}", Oj.dump(event: :delete, payload: status.id.to_s))
+    redis.publish("timeline:#{account.id}", Oj.dump(event: :delete, payload: status.id.to_s))
     true
   end
 
@@ -54,7 +55,7 @@ class FeedManager
 
   def unpush_from_list(list, status)
     return false unless remove_from_feed(:list, list.id, status)
-    Redis.current.publish("timeline:list:#{list.id}", Oj.dump(event: :delete, payload: status.id.to_s))
+    redis.publish("timeline:list:#{list.id}", Oj.dump(event: :delete, payload: status.id.to_s))
     true
   end
 
@@ -143,10 +144,6 @@ class FeedManager
 
   private
 
-  def redis
-    Redis.current
-  end
-
   def push_update_required?(timeline_id)
     redis.exists("subscribed:#{timeline_id}")
   end
diff --git a/app/lib/formatter.rb b/app/lib/formatter.rb
index 05fd9eeb1..0653214f5 100644
--- a/app/lib/formatter.rb
+++ b/app/lib/formatter.rb
@@ -99,7 +99,7 @@ class Formatter
   end
 
   def encode_and_link_urls(html, accounts = nil, options = {})
-    entities = Extractor.extract_entities_with_indices(html, extract_url_without_protocol: false)
+    entities = utf8_friendly_extractor(html, extract_url_without_protocol: false)
 
     if accounts.is_a?(Hash)
       options  = accounts
@@ -199,6 +199,53 @@ class Formatter
     result.flatten.join
   end
 
+  UNICODE_ESCAPE_BLACKLIST_RE = /\p{Z}|\p{P}/
+
+  def utf8_friendly_extractor(text, options = {})
+    old_to_new_index = [0]
+
+    escaped = text.chars.map do |c|
+      output = begin
+        if c.ord.to_s(16).length > 2 && UNICODE_ESCAPE_BLACKLIST_RE.match(c).nil?
+          CGI.escape(c)
+        else
+          c
+        end
+      end
+
+      old_to_new_index << old_to_new_index.last + output.length
+
+      output
+    end.join
+
+    # Note: I couldn't obtain list_slug with @user/list-name format
+    # for mention so this requires additional check
+    special = Extractor.extract_urls_with_indices(escaped, options).map do |extract|
+      # exactly one of :url, :hashtag, :screen_name, :cashtag keys is present
+      key = (extract.keys & [:url, :hashtag, :screen_name, :cashtag]).first
+
+      new_indices = [
+        old_to_new_index.find_index(extract[:indices].first),
+        old_to_new_index.find_index(extract[:indices].last),
+      ]
+
+      has_prefix_char = [:hashtag, :screen_name, :cashtag].include?(key)
+      value_indices = [
+        new_indices.first + (has_prefix_char ? 1 : 0), # account for #, @ or $
+        new_indices.last - 1,
+      ]
+
+      next extract.merge(
+        :indices => new_indices,
+        key => text[value_indices.first..value_indices.last]
+      )
+    end
+
+    standard = Extractor.extract_entities_with_indices(text, options)
+
+    Extractor.remove_overlapping_entities(special + standard)
+  end
+
   def link_to_url(entity, options = {})
     url        = Addressable::URI.parse(entity[:url])
     html_attrs = { target: '_blank', rel: 'nofollow noopener' }
diff --git a/app/lib/ostatus/activity/base.rb b/app/lib/ostatus/activity/base.rb
index c5933f3ad..db70f1998 100644
--- a/app/lib/ostatus/activity/base.rb
+++ b/app/lib/ostatus/activity/base.rb
@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 
 class OStatus::Activity::Base
+  include Redisable
+
   def initialize(xml, account = nil, **options)
     @xml     = xml
     @account = account
@@ -66,8 +68,4 @@ class OStatus::Activity::Base
       Status.find_by(uri: uri)
     end
   end
-
-  def redis
-    Redis.current
-  end
 end
diff --git a/app/lib/potential_friendship_tracker.rb b/app/lib/potential_friendship_tracker.rb
index 017a9748d..188aa4a27 100644
--- a/app/lib/potential_friendship_tracker.rb
+++ b/app/lib/potential_friendship_tracker.rb
@@ -11,6 +11,8 @@ class PotentialFriendshipTracker
   }.freeze
 
   class << self
+    include Redisable
+
     def record(account_id, target_account_id, action)
       return if account_id == target_account_id
 
@@ -31,11 +33,5 @@ class PotentialFriendshipTracker
       return [] if account_ids.empty?
       Account.searchable.where(id: account_ids)
     end
-
-    private
-
-    def redis
-      Redis.current
-    end
   end
 end
diff --git a/app/models/account_domain_block.rb b/app/models/account_domain_block.rb
index e352000c3..7c0d60379 100644
--- a/app/models/account_domain_block.rb
+++ b/app/models/account_domain_block.rb
@@ -12,6 +12,7 @@
 
 class AccountDomainBlock < ApplicationRecord
   include Paginable
+  include DomainNormalizable
 
   belongs_to :account
   validates :domain, presence: true, uniqueness: { scope: :account_id }
diff --git a/app/models/concerns/account_associations.rb b/app/models/concerns/account_associations.rb
index 4e730451a..3ab8a0daa 100644
--- a/app/models/concerns/account_associations.rb
+++ b/app/models/concerns/account_associations.rb
@@ -56,5 +56,6 @@ module AccountAssociations
 
     # Hashtags
     has_and_belongs_to_many :tags
+    has_many :featured_tags, -> { includes(:tag) }, dependent: :destroy, inverse_of: :account
   end
 end
diff --git a/app/models/concerns/account_avatar.rb b/app/models/concerns/account_avatar.rb
index 2d5ebfca3..5fff3ef5d 100644
--- a/app/models/concerns/account_avatar.rb
+++ b/app/models/concerns/account_avatar.rb
@@ -3,7 +3,7 @@
 module AccountAvatar
   extend ActiveSupport::Concern
 
-  IMAGE_MIME_TYPES = ['image/jpeg', 'image/png', 'image/gif'].freeze
+  IMAGE_MIME_TYPES = ['image/jpeg', 'image/png', 'image/gif', 'image/webp'].freeze
   LIMIT = 2.megabytes
 
   class_methods do
diff --git a/app/models/concerns/account_header.rb b/app/models/concerns/account_header.rb
index 067e166eb..a748fdff7 100644
--- a/app/models/concerns/account_header.rb
+++ b/app/models/concerns/account_header.rb
@@ -3,7 +3,7 @@
 module AccountHeader
   extend ActiveSupport::Concern
 
-  IMAGE_MIME_TYPES = ['image/jpeg', 'image/png', 'image/gif'].freeze
+  IMAGE_MIME_TYPES = ['image/jpeg', 'image/png', 'image/gif', 'image/webp'].freeze
   LIMIT = 2.megabytes
   MAX_PIXELS = 750_000 # 1500x500px
 
diff --git a/app/models/concerns/domain_normalizable.rb b/app/models/concerns/domain_normalizable.rb
index dff3e5414..fb84058fc 100644
--- a/app/models/concerns/domain_normalizable.rb
+++ b/app/models/concerns/domain_normalizable.rb
@@ -10,6 +10,6 @@ module DomainNormalizable
   private
 
   def normalize_domain
-    self.domain = TagManager.instance.normalize_domain(domain)
+    self.domain = TagManager.instance.normalize_domain(domain&.strip)
   end
 end
diff --git a/app/models/concerns/redisable.rb b/app/models/concerns/redisable.rb
new file mode 100644
index 000000000..c6cf97359
--- /dev/null
+++ b/app/models/concerns/redisable.rb
@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+module Redisable
+  extend ActiveSupport::Concern
+
+  private
+
+  def redis
+    Redis.current
+  end
+end
diff --git a/app/models/export.rb b/app/models/export.rb
index a2520e9c2..fc4bb6964 100644
--- a/app/models/export.rb
+++ b/app/models/export.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require 'csv'
 
 class Export
diff --git a/app/models/featured_tag.rb b/app/models/featured_tag.rb
new file mode 100644
index 000000000..b5a10ad2d
--- /dev/null
+++ b/app/models/featured_tag.rb
@@ -0,0 +1,46 @@
+# frozen_string_literal: true
+# == Schema Information
+#
+# Table name: featured_tags
+#
+#  id             :bigint(8)        not null, primary key
+#  account_id     :bigint(8)
+#  tag_id         :bigint(8)
+#  statuses_count :bigint(8)        default(0), not null
+#  last_status_at :datetime
+#  created_at     :datetime         not null
+#  updated_at     :datetime         not null
+#
+
+class FeaturedTag < ApplicationRecord
+  belongs_to :account, inverse_of: :featured_tags, required: true
+  belongs_to :tag, inverse_of: :featured_tags, required: true
+
+  delegate :name, to: :tag, allow_nil: true
+
+  validates :name, presence: true
+  validate :validate_featured_tags_limit, on: :create
+
+  def name=(str)
+    self.tag = Tag.find_or_initialize_by(name: str.delete('#').mb_chars.downcase.to_s)
+  end
+
+  def increment(timestamp)
+    update(statuses_count: statuses_count + 1, last_status_at: timestamp)
+  end
+
+  def decrement(deleted_status_id)
+    update(statuses_count: [0, statuses_count - 1].max, last_status_at: account.statuses.where(visibility: %i(public unlisted)).tagged_with(tag).where.not(id: deleted_status_id).select(:created_at).first&.created_at)
+  end
+
+  def reset_data
+    self.statuses_count = account.statuses.where(visibility: %i(public unlisted)).tagged_with(tag).count
+    self.last_status_at = account.statuses.where(visibility: %i(public unlisted)).tagged_with(tag).select(:created_at).first&.created_at
+  end
+
+  private
+
+  def validate_featured_tags_limit
+    errors.add(:base, I18n.t('featured_tags.errors.limit')) if account.featured_tags.count >= 10
+  end
+end
diff --git a/app/models/feed.rb b/app/models/feed.rb
index 5bce88f25..0e8943ff8 100644
--- a/app/models/feed.rb
+++ b/app/models/feed.rb
@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 
 class Feed
+  include Redisable
+
   def initialize(type, id)
     @type = type
     @id   = id
@@ -27,8 +29,4 @@ class Feed
   def key
     FeedManager.instance.key(@type, @id)
   end
-
-  def redis
-    Redis.current
-  end
 end
diff --git a/app/models/import.rb b/app/models/import.rb
index 55e970b0d..a7a0d8065 100644
--- a/app/models/import.rb
+++ b/app/models/import.rb
@@ -13,20 +13,30 @@
 #  data_file_size    :integer
 #  data_updated_at   :datetime
 #  account_id        :bigint(8)        not null
+#  overwrite         :boolean          default(FALSE), not null
 #
 
 class Import < ApplicationRecord
-  FILE_TYPES = ['text/plain', 'text/csv'].freeze
+  FILE_TYPES = %w(text/plain text/csv).freeze
+  MODES = %i(merge overwrite).freeze
 
   self.inheritance_column = false
 
   belongs_to :account
 
-  enum type: [:following, :blocking, :muting]
+  enum type: [:following, :blocking, :muting, :domain_blocking]
 
   validates :type, presence: true
 
   has_attached_file :data
   validates_attachment_content_type :data, content_type: FILE_TYPES
   validates_attachment_presence :data
+
+  def mode
+    overwrite? ? :overwrite : :merge
+  end
+
+  def mode=(str)
+    self.overwrite = str.to_sym == :overwrite
+  end
 end
diff --git a/app/models/media_attachment.rb b/app/models/media_attachment.rb
index 601b14223..81397a18e 100644
--- a/app/models/media_attachment.rb
+++ b/app/models/media_attachment.rb
@@ -25,11 +25,11 @@ class MediaAttachment < ApplicationRecord
 
   enum type: [:image, :gifv, :video, :audio, :unknown]
 
-  IMAGE_FILE_EXTENSIONS = ['.jpg', '.jpeg', '.png', '.gif'].freeze
+  IMAGE_FILE_EXTENSIONS = ['.jpg', '.jpeg', '.png', '.gif', '.webp'].freeze
   VIDEO_FILE_EXTENSIONS = ['.webm', '.mp4', '.m4v', '.mov'].freeze
   AUDIO_FILE_EXTENSIONS = ['.mp3', '.m4a', '.wav', '.ogg'].freeze
 
-  IMAGE_MIME_TYPES             = ['image/jpeg', 'image/png', 'image/gif'].freeze
+  IMAGE_MIME_TYPES             = ['image/jpeg', 'image/png', 'image/gif', 'image/webp'].freeze
   VIDEO_MIME_TYPES             = ['video/webm', 'video/mp4', 'video/quicktime'].freeze
   VIDEO_CONVERTIBLE_MIME_TYPES = ['video/webm', 'video/quicktime'].freeze
   AUDIO_MIME_TYPES             = ['audio/mpeg', 'audio/mp4', 'audio/vnd.wav', 'audio/wav', 'audio/x-wav', 'audio/x-wave', 'audio/ogg',].freeze
@@ -105,8 +105,8 @@ class MediaAttachment < ApplicationRecord
                     convert_options: { all: '-quality 90 -strip' }
 
   validates_attachment_content_type :file, content_type: IMAGE_MIME_TYPES + VIDEO_MIME_TYPES + AUDIO_MIME_TYPES
-  validates_attachment_size :file, less_than: IMAGE_LIMIT, unless: :video?
-  validates_attachment_size :file, less_than: VIDEO_LIMIT, if: :video?
+  validates_attachment_size :file, less_than: IMAGE_LIMIT, unless: :video_or_gifv?
+  validates_attachment_size :file, less_than: VIDEO_LIMIT, if: :video_or_gifv?
   remotable_attachment :file, VIDEO_LIMIT
 
   include Attachmentable
@@ -129,6 +129,10 @@ class MediaAttachment < ApplicationRecord
     file.blank? && remote_url.present?
   end
 
+  def video_or_gifv?
+    video? || gifv?
+  end
+
   def to_param
     shortcode
   end
diff --git a/app/models/preview_card.rb b/app/models/preview_card.rb
index a792b352b..f26ea0c74 100644
--- a/app/models/preview_card.rb
+++ b/app/models/preview_card.rb
@@ -25,7 +25,7 @@
 #
 
 class PreviewCard < ApplicationRecord
-  IMAGE_MIME_TYPES = ['image/jpeg', 'image/png', 'image/gif'].freeze
+  IMAGE_MIME_TYPES = ['image/jpeg', 'image/png', 'image/gif', 'image/webp'].freeze
   LIMIT = 1.megabytes
 
   self.inheritance_column = false
diff --git a/app/models/tag.rb b/app/models/tag.rb
index 99830ae92..4373e967b 100644
--- a/app/models/tag.rb
+++ b/app/models/tag.rb
@@ -14,6 +14,7 @@ class Tag < ApplicationRecord
   has_and_belongs_to_many :accounts
   has_and_belongs_to_many :sample_accounts, -> { searchable.discoverable.popular.limit(3) }, class_name: 'Account'
 
+  has_many :featured_tags, dependent: :destroy, inverse_of: :tag
   has_one :account_tag_stat, dependent: :destroy
 
   HASHTAG_NAME_RE = '[[:word:]_]*[[:alpha:]_·][[:word:]_]*'
@@ -23,6 +24,7 @@ class Tag < ApplicationRecord
 
   scope :discoverable, -> { joins(:account_tag_stat).where(AccountTagStat.arel_table[:accounts_count].gt(0)).where(account_tag_stats: { hidden: false }).order(Arel.sql('account_tag_stats.accounts_count desc')) }
   scope :hidden, -> { where(account_tag_stats: { hidden: true }) }
+  scope :most_used, ->(account) { joins(:statuses).where(statuses: { account: account }).group(:id).order(Arel.sql('count(*) desc')) }
 
   delegate :accounts_count,
            :accounts_count=,
diff --git a/app/models/trending_tags.rb b/app/models/trending_tags.rb
index 3a8be2164..148535c21 100644
--- a/app/models/trending_tags.rb
+++ b/app/models/trending_tags.rb
@@ -7,6 +7,8 @@ class TrendingTags
   THRESHOLD            = 5
 
   class << self
+    include Redisable
+
     def record_use!(tag, account, at_time = Time.now.utc)
       return if disallowed_hashtags.include?(tag.name) || account.silenced? || account.bot?
 
@@ -59,9 +61,5 @@ class TrendingTags
       @disallowed_hashtags = @disallowed_hashtags.split(' ') if @disallowed_hashtags.is_a? String
       @disallowed_hashtags = @disallowed_hashtags.map(&:downcase)
     end
-
-    def redis
-      Redis.current
-    end
   end
 end
diff --git a/app/serializers/manifest_serializer.rb b/app/serializers/manifest_serializer.rb
index 859ef0d14..cc8b9a4d4 100644
--- a/app/serializers/manifest_serializer.rb
+++ b/app/serializers/manifest_serializer.rb
@@ -52,6 +52,14 @@ class ManifestSerializer < ActiveModel::Serializer
   end
 
   def share_target
-    { url_template: 'share?title={title}&text={text}&url={url}' }
+    {
+      url_template: 'share?title={title}&text={text}&url={url}',
+      action: 'share',
+      params: {
+        title: 'title',
+        text: 'text',
+        url: 'url',
+      },
+    }
   end
 end
diff --git a/app/services/activitypub/process_account_service.rb b/app/services/activitypub/process_account_service.rb
index 487456f3a..5e3308428 100644
--- a/app/services/activitypub/process_account_service.rb
+++ b/app/services/activitypub/process_account_service.rb
@@ -212,7 +212,7 @@ class ActivityPub::ProcessAccountService < BaseService
   end
 
   def clear_tombstones!
-    Tombstone.delete_all(account_id: @account.id)
+    Tombstone.where(account_id: @account.id).delete_all
   end
 
   def protocol_changed?
diff --git a/app/services/batched_remove_status_service.rb b/app/services/batched_remove_status_service.rb
index 61c408926..d78f506c6 100644
--- a/app/services/batched_remove_status_service.rb
+++ b/app/services/batched_remove_status_service.rb
@@ -2,6 +2,7 @@
 
 class BatchedRemoveStatusService < BaseService
   include StreamEntryRenderer
+  include Redisable
 
   # Delete given statuses and reblogs of them
   # Dispatch PuSH updates of the deleted statuses, but only local ones
@@ -120,10 +121,6 @@ class BatchedRemoveStatusService < BaseService
     end
   end
 
-  def redis
-    Redis.current
-  end
-
   def build_xml(stream_entry)
     return @activity_xml[stream_entry.id] if @activity_xml.key?(stream_entry.id)
 
diff --git a/app/services/follow_service.rb b/app/services/follow_service.rb
index 9d36a1449..92d8c864a 100644
--- a/app/services/follow_service.rb
+++ b/app/services/follow_service.rb
@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 
 class FollowService < BaseService
+  include Redisable
+
   # Follow a remote user, notify remote user about the follow
   # @param [Account] source_account From which to follow
   # @param [String, Account] uri User URI to follow in the form of username@domain (or account record)
@@ -67,10 +69,6 @@ class FollowService < BaseService
     follow
   end
 
-  def redis
-    Redis.current
-  end
-
   def build_follow_request_xml(follow_request)
     OStatus::AtomSerializer.render(OStatus::AtomSerializer.new.follow_request_salmon(follow_request))
   end
diff --git a/app/services/import_service.rb b/app/services/import_service.rb
new file mode 100644
index 000000000..3f558626e
--- /dev/null
+++ b/app/services/import_service.rb
@@ -0,0 +1,90 @@
+# frozen_string_literal: true
+
+require 'csv'
+
+class ImportService < BaseService
+  ROWS_PROCESSING_LIMIT = 20_000
+
+  def call(import)
+    @import  = import
+    @account = @import.account
+    @data    = CSV.new(import_data).reject(&:blank?)
+
+    case @import.type
+    when 'following'
+      import_follows!
+    when 'blocking'
+      import_blocks!
+    when 'muting'
+      import_mutes!
+    when 'domain_blocking'
+      import_domain_blocks!
+    end
+  end
+
+  private
+
+  def import_follows!
+    import_relationships!('follow', 'unfollow', @account.following, follow_limit)
+  end
+
+  def import_blocks!
+    import_relationships!('block', 'unblock', @account.blocking, ROWS_PROCESSING_LIMIT)
+  end
+
+  def import_mutes!
+    import_relationships!('mute', 'unmute', @account.muting, ROWS_PROCESSING_LIMIT)
+  end
+
+  def import_domain_blocks!
+    items = @data.take(ROWS_PROCESSING_LIMIT).map { |row| row.first.strip }
+
+    if @import.overwrite?
+      presence_hash = items.each_with_object({}) { |id, mapping| mapping[id] = true }
+
+      @account.domain_blocks.find_each do |domain_block|
+        if presence_hash[domain_block.domain]
+          items.delete(domain_block.domain)
+        else
+          @account.unblock_domain!(domain_block.domain)
+        end
+      end
+    end
+
+    items.each do |domain|
+      @account.block_domain!(domain)
+    end
+
+    AfterAccountDomainBlockWorker.push_bulk(items) do |domain|
+      [@account.id, domain]
+    end
+  end
+
+  def import_relationships!(action, undo_action, overwrite_scope, limit)
+    items = @data.take(limit).map { |row| row.first.strip }
+
+    if @import.overwrite?
+      presence_hash = items.each_with_object({}) { |id, mapping| mapping[id] = true }
+
+      overwrite_scope.find_each do |target_account|
+        if presence_hash[target_account.acct]
+          items.delete(target_account.acct)
+        else
+          Import::RelationshipWorker.perform_async(@account.id, target_account.acct, undo_action)
+        end
+      end
+    end
+
+    Import::RelationshipWorker.push_bulk(items) do |acct|
+      [@account.id, acct, action]
+    end
+  end
+
+  def import_data
+    Paperclip.io_adapters.for(@import.data).read
+  end
+
+  def follow_limit
+    FollowLimitValidator.limit_for_account(@account)
+  end
+end
diff --git a/app/services/post_status_service.rb b/app/services/post_status_service.rb
index 5d431c42a..cfb266fbb 100644
--- a/app/services/post_status_service.rb
+++ b/app/services/post_status_service.rb
@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 
 class PostStatusService < BaseService
+  include Redisable
+
   MIN_SCHEDULE_OFFSET = 5.minutes.freeze
 
   # Post a text status update, fetch and notify remote users mentioned
@@ -115,10 +117,6 @@ class PostStatusService < BaseService
     ProcessHashtagsService.new
   end
 
-  def redis
-    Redis.current
-  end
-
   def scheduled?
     @scheduled_at.present?
   end
diff --git a/app/services/process_hashtags_service.rb b/app/services/process_hashtags_service.rb
index cf7471c98..d5ec076a8 100644
--- a/app/services/process_hashtags_service.rb
+++ b/app/services/process_hashtags_service.rb
@@ -2,12 +2,22 @@
 
 class ProcessHashtagsService < BaseService
   def call(status, tags = [])
-    tags = Extractor.extract_hashtags(status.text) if status.local?
+    tags    = Extractor.extract_hashtags(status.text) if status.local?
+    records = []
 
     tags.map { |str| str.mb_chars.downcase }.uniq(&:to_s).each do |name|
       tag = Tag.where(name: name).first_or_create(name: name)
+
       status.tags << tag
+      records << tag
+
       TrendingTags.record_use!(tag, status.account, status.created_at) if status.public_visibility?
     end
+
+    return unless status.public_visibility? || status.unlisted_visibility?
+
+    status.account.featured_tags.where(tag_id: records.map(&:id)).each do |featured_tag|
+      featured_tag.increment(status.created_at)
+    end
   end
 end
diff --git a/app/services/remove_status_service.rb b/app/services/remove_status_service.rb
index 4bee86c8a..99c8e6cbb 100644
--- a/app/services/remove_status_service.rb
+++ b/app/services/remove_status_service.rb
@@ -2,6 +2,7 @@
 
 class RemoveStatusService < BaseService
   include StreamEntryRenderer
+  include Redisable
 
   def call(status, **options)
     @payload      = Oj.dump(event: :delete, payload: status.id.to_s)
@@ -56,7 +57,7 @@ class RemoveStatusService < BaseService
 
   def remove_from_affected
     @mentions.map(&:account).select(&:local?).each do |account|
-      Redis.current.publish("timeline:#{account.id}", @payload)
+      redis.publish("timeline:#{account.id}", @payload)
     end
   end
 
@@ -131,26 +132,30 @@ class RemoveStatusService < BaseService
   end
 
   def remove_from_hashtags
+    @account.featured_tags.where(tag_id: @status.tags.pluck(:id)).each do |featured_tag|
+      featured_tag.decrement(@status.id)
+    end
+
     return unless @status.public_visibility?
 
     @tags.each do |hashtag|
-      Redis.current.publish("timeline:hashtag:#{hashtag}", @payload)
-      Redis.current.publish("timeline:hashtag:#{hashtag}:local", @payload) if @status.local?
+      redis.publish("timeline:hashtag:#{hashtag}", @payload)
+      redis.publish("timeline:hashtag:#{hashtag}:local", @payload) if @status.local?
     end
   end
 
   def remove_from_public
     return unless @status.public_visibility?
 
-    Redis.current.publish('timeline:public', @payload)
-    Redis.current.publish('timeline:public:local', @payload) if @status.local?
+    redis.publish('timeline:public', @payload)
+    redis.publish('timeline:public:local', @payload) if @status.local?
   end
 
   def remove_from_media
     return unless @status.public_visibility?
 
-    Redis.current.publish('timeline:public:media', @payload)
-    Redis.current.publish('timeline:public:local:media', @payload) if @status.local?
+    redis.publish('timeline:public:media', @payload)
+    redis.publish('timeline:public:local:media', @payload) if @status.local?
   end
 
   def remove_from_direct
@@ -159,8 +164,4 @@ class RemoveStatusService < BaseService
     end
     Redis.current.publish("timeline:direct:#{@account.id}", @payload) if @account.local?
   end
-
-  def redis
-    Redis.current
-  end
 end
diff --git a/app/views/accounts/show.html.haml b/app/views/accounts/show.html.haml
index 0ee9dd7de..0da69728f 100644
--- a/app/views/accounts/show.html.haml
+++ b/app/views/accounts/show.html.haml
@@ -63,4 +63,17 @@
         - @endorsed_accounts.each do |account|
           = account_link_to account
 
+    - @account.featured_tags.order(statuses_count: :desc).each do |featured_tag|
+      .directory__tag{ class: params[:tag] == featured_tag.name ? 'active' : nil }
+        = link_to short_account_tag_path(@account, featured_tag.tag) do
+          %h4
+            = fa_icon 'hashtag'
+            = featured_tag.name
+            %small
+              - if featured_tag.last_status_at.nil?
+                = t('accounts.nothing_here')
+              - else
+                %time{ datetime: featured_tag.last_status_at.iso8601, title: l(featured_tag.last_status_at) }= l featured_tag.last_status_at
+          .trends__item__current= number_to_human featured_tag.statuses_count, strip_insignificant_zeros: true
+
     = render 'application/sidebar'
diff --git a/app/views/admin/change_emails/show.html.haml b/app/views/admin/change_emails/show.html.haml
index 6febef9b1..6ff0d785e 100644
--- a/app/views/admin/change_emails/show.html.haml
+++ b/app/views/admin/change_emails/show.html.haml
@@ -3,7 +3,7 @@
 
 = simple_form_for @user, url: admin_account_change_email_path(@account.id) do |f|
   .fields-group
-    = f.input :email, wrapper: :with_label, disabled: true, label: t('admin.accounts.change_email.current_email')
+    = f.input :email, wrapper: :with_label, hint: false, disabled: true, label: t('admin.accounts.change_email.current_email')
 
   .fields-group
     = f.input :unconfirmed_email, wrapper: :with_label, label: t('admin.accounts.change_email.new_email')
diff --git a/app/views/settings/featured_tags/index.html.haml b/app/views/settings/featured_tags/index.html.haml
new file mode 100644
index 000000000..5f69517f3
--- /dev/null
+++ b/app/views/settings/featured_tags/index.html.haml
@@ -0,0 +1,27 @@
+- content_for :page_title do
+  = t('settings.featured_tags')
+
+= simple_form_for @featured_tag, url: settings_featured_tags_path do |f|
+  = render 'shared/error_messages', object: @featured_tag
+
+  .fields-group
+    = f.input :name, wrapper: :with_block_label, hint: safe_join([t('simple_form.hints.featured_tag.name'), safe_join(@most_used_tags.map { |tag| link_to("##{tag.name}", settings_featured_tags_path(featured_tag: { name: tag.name }), method: :post) }, ', ')], ' ')
+
+  .actions
+    = f.button :button, t('featured_tags.add_new'), type: :submit
+
+%hr.spacer/
+
+- @featured_tags.each do |featured_tag|
+  .directory__tag{ class: params[:tag] == featured_tag.name ? 'active' : nil }
+    %div
+      %h4
+        = fa_icon 'hashtag'
+        = featured_tag.name
+        %small
+          - if featured_tag.last_status_at.nil?
+            = t('accounts.nothing_here')
+          - else
+            %time{ datetime: featured_tag.last_status_at.iso8601, title: l(featured_tag.last_status_at) }= l featured_tag.last_status_at
+          = table_link_to 'trash', t('filters.index.delete'), settings_featured_tag_path(featured_tag), method: :delete, data: { confirm: t('admin.accounts.are_you_sure') }
+      .trends__item__current= number_to_human featured_tag.statuses_count, strip_insignificant_zeros: true
diff --git a/app/views/settings/imports/show.html.haml b/app/views/settings/imports/show.html.haml
index 4512fc714..7bb4beb01 100644
--- a/app/views/settings/imports/show.html.haml
+++ b/app/views/settings/imports/show.html.haml
@@ -5,8 +5,11 @@
   .field-group
     = f.input :type, collection: Import.types.keys, wrapper: :with_block_label, include_blank: false, label_method: lambda { |type| I18n.t("imports.types.#{type}") }, hint: t('imports.preface')
 
-  .field-group
-    = f.input :data, wrapper: :with_block_label, hint: t('simple_form.hints.imports.data')
+  .fields-row
+    .fields-group.fields-row__column.fields-row__column-6
+      = f.input :data, wrapper: :with_block_label, hint: t('simple_form.hints.imports.data')
+    .fields-group.fields-row__column.fields-row__column-6
+      = f.input :mode, as: :radio_buttons, collection: Import::MODES, label_method: lambda { |mode| safe_join([I18n.t("imports.modes.#{mode}"), content_tag(:span, I18n.t("imports.modes.#{mode}_long"), class: 'hint')]) }, collection_wrapper_tag: 'ul', item_wrapper_tag: 'li'
 
   .actions
     = f.button :button, t('imports.upload'), type: :submit
diff --git a/app/workers/import/relationship_worker.rb b/app/workers/import/relationship_worker.rb
index 1dd8bf8fb..e9db20a46 100644
--- a/app/workers/import/relationship_worker.rb
+++ b/app/workers/import/relationship_worker.rb
@@ -13,11 +13,17 @@ class Import::RelationshipWorker
 
     case relationship
     when 'follow'
-      FollowService.new.call(from_account, target_account.acct)
+      FollowService.new.call(from_account, target_account)
+    when 'unfollow'
+      UnfollowService.new.call(from_account, target_account)
     when 'block'
       BlockService.new.call(from_account, target_account)
+    when 'unblock'
+      UnblockService.new.call(from_account, target_account)
     when 'mute'
       MuteService.new.call(from_account, target_account)
+    when 'unmute'
+      UnmuteService.new.call(from_account, target_account)
     end
   rescue ActiveRecord::RecordNotFound
     true
diff --git a/app/workers/import_worker.rb b/app/workers/import_worker.rb
index aeb221cf6..dfa71b29e 100644
--- a/app/workers/import_worker.rb
+++ b/app/workers/import_worker.rb
@@ -1,44 +1,14 @@
 # frozen_string_literal: true
 
-require 'csv'
-
 class ImportWorker
   include Sidekiq::Worker
 
   sidekiq_options queue: 'pull', retry: false
 
-  attr_reader :import
-
   def perform(import_id)
-    @import = Import.find(import_id)
-
-    Import::RelationshipWorker.push_bulk(import_rows) do |row|
-      [@import.account_id, row.first, relationship_type]
-    end
-
-    @import.destroy
-  end
-
-  private
-
-  def import_contents
-    Paperclip.io_adapters.for(@import.data).read
-  end
-
-  def relationship_type
-    case @import.type
-    when 'following'
-      'follow'
-    when 'blocking'
-      'block'
-    when 'muting'
-      'mute'
-    end
-  end
-
-  def import_rows
-    rows = CSV.new(import_contents).reject(&:blank?)
-    rows = rows.take(FollowLimitValidator.limit_for_account(@import.account)) if @import.type == 'following'
-    rows
+    import = Import.find(import_id)
+    ImportService.new.call(import)
+  ensure
+    import&.destroy
   end
 end
diff --git a/app/workers/scheduler/feed_cleanup_scheduler.rb b/app/workers/scheduler/feed_cleanup_scheduler.rb
index cd2273418..bf5e20757 100644
--- a/app/workers/scheduler/feed_cleanup_scheduler.rb
+++ b/app/workers/scheduler/feed_cleanup_scheduler.rb
@@ -2,6 +2,7 @@
 
 class Scheduler::FeedCleanupScheduler
   include Sidekiq::Worker
+  include Redisable
 
   sidekiq_options unique: :until_executed, retry: 0
 
@@ -57,8 +58,4 @@ class Scheduler::FeedCleanupScheduler
   def feed_manager
     FeedManager.instance
   end
-
-  def redis
-    Redis.current
-  end
 end