Merge branch 'glitch' into production

153 files changed, 1643 insertions, 800 deletions

diff --git a/Gemfile b/Gemfile
index 1cf1ee379..43d8d2fd0 100644
--- a/Gemfile
+++ b/Gemfile
@@ -113,9 +113,9 @@ group :production, :test do
 end
 
 group :test do
-  gem 'capybara', '~> 3.27'
+  gem 'capybara', '~> 3.28'
   gem 'climate_control', '~> 0.2'
-  gem 'faker', '~> 1.9'
+  gem 'faker', '~> 2.1'
   gem 'microformats', '~> 4.1'
   gem 'rails-controller-testing', '~> 1.0'
   gem 'rspec-sidekiq', '~> 3.0'
@@ -133,7 +133,7 @@ group :development do
   gem 'letter_opener', '~> 1.7'
   gem 'letter_opener_web', '~> 1.3'
   gem 'memory_profiler'
-  gem 'rubocop', '~> 0.73', require: false
+  gem 'rubocop', '~> 0.74', require: false
   gem 'rubocop-rails', '~> 2.2', require: false
   gem 'brakeman', '~> 4.6', require: false
   gem 'bundler-audit', '~> 0.6', require: false
diff --git a/Gemfile.lock b/Gemfile.lock
index 4faca35e9..6979c7a0f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -150,7 +150,7 @@ GEM
       sshkit (~> 1.3)
     capistrano-yarn (2.0.2)
       capistrano (~> 3.0)
-    capybara (3.27.0)
+    capybara (3.28.0)
       addressable
       mini_mime (>= 0.1.3)
       nokogiri (~> 1.8)
@@ -209,9 +209,9 @@ GEM
       unf (>= 0.0.5, < 1.0.0)
     doorkeeper (5.1.0)
       railties (>= 5)
-    dotenv (2.7.4)
-    dotenv-rails (2.7.4)
-      dotenv (= 2.7.4)
+    dotenv (2.7.5)
+    dotenv-rails (2.7.5)
+      dotenv (= 2.7.5)
       railties (>= 3.2, < 6.1)
     elasticsearch (6.0.2)
       elasticsearch-api (= 6.0.2)
@@ -229,7 +229,7 @@ GEM
       tzinfo
     excon (0.62.0)
     fabrication (2.20.2)
-    faker (1.9.6)
+    faker (2.1.0)
       i18n (>= 0.7)
     faraday (0.15.0)
       multipart-post (>= 1.2, < 3)
@@ -274,7 +274,7 @@ GEM
       railties (>= 4.0.1)
     hamster (3.0.0)
       concurrent-ruby (~> 1.0)
-    hashdiff (0.4.0)
+    hashdiff (1.0.0)
     hashie (3.6.0)
     heapy (0.1.4)
     highline (2.0.1)
@@ -478,7 +478,7 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.4)
+    rails-html-sanitizer (1.1.0)
       loofah (~> 2.2, >= 2.2.2)
     rails-i18n (5.1.3)
       i18n (>= 0.7, < 2)
@@ -492,7 +492,7 @@ GEM
       rake (>= 0.8.7)
       thor (>= 0.19.0, < 2.0)
     rainbow (3.0.0)
-    rake (12.3.2)
+    rake (12.3.3)
     rdf (3.0.12)
       hamster (~> 3.0)
       link_header (~> 0.0, >= 0.0.8)
@@ -548,7 +548,7 @@ GEM
       rspec-core (~> 3.0, >= 3.0.0)
       sidekiq (>= 2.4.0)
     rspec-support (3.8.0)
-    rubocop (0.73.0)
+    rubocop (0.74.0)
       jaro_winkler (~> 1.5.1)
       parallel (~> 1.10)
       parser (>= 2.6)
@@ -645,7 +645,7 @@ GEM
     uniform_notifier (1.12.1)
     warden (1.2.8)
       rack (>= 2.0.6)
-    webmock (3.6.0)
+    webmock (3.6.2)
       addressable (>= 2.3.6)
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)
@@ -684,7 +684,7 @@ DEPENDENCIES
   capistrano-rails (~> 1.4)
   capistrano-rbenv (~> 2.1)
   capistrano-yarn (~> 2.0)
-  capybara (~> 3.27)
+  capybara (~> 3.28)
   charlock_holmes (~> 0.7.6)
   chewy (~> 5.0)
   cld3 (~> 3.2.4)
@@ -698,7 +698,7 @@ DEPENDENCIES
   doorkeeper (~> 5.1)
   dotenv-rails (~> 2.7)
   fabrication (~> 2.20)
-  faker (~> 1.9)
+  faker (~> 2.1)
   fast_blank (~> 1.0)
   fastimage
   fog-core (<= 2.1.0)
@@ -766,7 +766,7 @@ DEPENDENCIES
   rqrcode (~> 0.10)
   rspec-rails (~> 3.8)
   rspec-sidekiq (~> 3.0)
-  rubocop (~> 0.73)
+  rubocop (~> 0.74)
   rubocop-rails (~> 2.2)
   sanitize (~> 5.0)
   sidekiq (~> 5.2)
diff --git a/app/controllers/admin/dashboard_controller.rb b/app/controllers/admin/dashboard_controller.rb
index faa2df1b5..4116f99f4 100644
--- a/app/controllers/admin/dashboard_controller.rb
+++ b/app/controllers/admin/dashboard_controller.rb
@@ -5,6 +5,7 @@ module Admin
   class DashboardController < BaseController
     def index
       @users_count           = User.count
+      @pending_users_count   = User.pending.count
       @registrations_week    = Redis.current.get("activity:accounts:local:#{current_week}") || 0
       @logins_week           = Redis.current.pfcount("activity:logins:#{current_week}")
       @interactions_week     = Redis.current.get("activity:interactions:#{current_week}") || 0
@@ -19,7 +20,7 @@ module Admin
       @redis_version         = redis_info['redis_version']
       @reports_count         = Report.unresolved.count
       @queue_backlog         = Sidekiq::Stats.new.enqueued
-      @recent_users          = User.confirmed.recent.includes(:account).limit(4)
+      @recent_users          = User.confirmed.recent.includes(:account).limit(8)
       @database_size         = ActiveRecord::Base.connection.execute('SELECT pg_database_size(current_database())').first['pg_database_size']
       @redis_size            = redis_info['used_memory']
       @ldap_enabled          = ENV['LDAP_ENABLED'] == 'true'
@@ -27,11 +28,15 @@ module Admin
       @saml_enabled          = ENV['SAML_ENABLED'] == 'true'
       @pam_enabled           = ENV['PAM_ENABLED'] == 'true'
       @hidden_service        = ENV['ALLOW_ACCESS_TO_HIDDEN_SERVICE'] == 'true'
-      @trending_hashtags     = TrendingTags.get(7)
+      @trending_hashtags     = TrendingTags.get(10, filtered: false)
+      @pending_tags_count    = Tag.pending_review.count
+      @authorized_fetch      = authorized_fetch_mode?
+      @whitelist_enabled     = whitelist_mode?
       @profile_directory     = Setting.profile_directory
       @timeline_preview      = Setting.timeline_preview
       @keybase_integration   = Setting.enable_keybase
       @spam_check_enabled    = Setting.spam_check_enabled
+      @trends_enabled        = Setting.trends
     end
 
     private
@@ -41,7 +46,13 @@ module Admin
     end
 
     def redis_info
-      @redis_info ||= Redis.current.info
+      @redis_info ||= begin
+        if Redis.current.is_a?(Redis::Namespace)
+          Redis.current.redis.info
+        else
+          Redis.current.info
+        end
+      end
     end
   end
 end
diff --git a/app/controllers/admin/domain_blocks_controller.rb b/app/controllers/admin/domain_blocks_controller.rb
index 7129656da..74a36b79c 100644
--- a/app/controllers/admin/domain_blocks_controller.rb
+++ b/app/controllers/admin/domain_blocks_controller.rb
@@ -2,13 +2,17 @@
 
 module Admin
   class DomainBlocksController < BaseController
-    before_action :set_domain_block, only: [:show, :destroy]
+    before_action :set_domain_block, only: [:show, :destroy, :edit, :update]
 
     def new
       authorize :domain_block, :create?
       @domain_block = DomainBlock.new(domain: params[:_domain])
     end
 
+    def edit
+      authorize :domain_block, :create?
+    end
+
     def create
       authorize :domain_block, :create?
 
@@ -35,6 +39,22 @@ module Admin
       end
     end
 
+    def update
+      authorize :domain_block, :create?
+
+      @domain_block.update(update_params)
+
+      severity_changed = @domain_block.severity_changed?
+
+      if @domain_block.save
+        DomainBlockWorker.perform_async(@domain_block.id, severity_changed)
+        log_action :create, @domain_block
+        redirect_to admin_instances_path(limited: '1'), notice: I18n.t('admin.domain_blocks.created_msg')
+      else
+        render :edit
+      end
+    end
+
     def show
       authorize @domain_block, :show?
     end
@@ -52,8 +72,12 @@ module Admin
       @domain_block = DomainBlock.find(params[:id])
     end
 
+    def update_params
+      params.require(:domain_block).permit(:severity, :reject_media, :reject_reports, :private_comment, :public_comment)
+    end
+
     def resource_params
-      params.require(:domain_block).permit(:domain, :severity, :reject_media, :reject_reports)
+      params.require(:domain_block).permit(:domain, :severity, :reject_media, :reject_reports, :private_comment, :public_comment)
     end
   end
 end
diff --git a/app/controllers/admin/instances_controller.rb b/app/controllers/admin/instances_controller.rb
index d4f201807..b47b18f8e 100644
--- a/app/controllers/admin/instances_controller.rb
+++ b/app/controllers/admin/instances_controller.rb
@@ -21,6 +21,8 @@ module Admin
       @blocks_count    = Block.where(target_account: Account.where(domain: params[:id])).count
       @available       = DeliveryFailureTracker.available?(Account.select(:shared_inbox_url).where(domain: params[:id]).first&.shared_inbox_url)
       @media_storage   = MediaAttachment.where(account: Account.where(domain: params[:id])).sum(:file_file_size)
+      @private_comment = @domain_block&.private_comment
+      @public_comment  = @domain_block&.public_comment
     end
 
     private
diff --git a/app/controllers/admin/tags_controller.rb b/app/controllers/admin/tags_controller.rb
index e9f4f2cfa..d62361eaa 100644
--- a/app/controllers/admin/tags_controller.rb
+++ b/app/controllers/admin/tags_controller.rb
@@ -4,41 +4,75 @@ module Admin
   class TagsController < BaseController
     before_action :set_tags, only: :index
     before_action :set_tag, except: :index
-    before_action :set_filter_params
+    before_action :set_usage_by_domain, except: :index
+    before_action :set_counters, except: :index
 
     def index
       authorize :tag, :index?
     end
 
-    def hide
-      authorize @tag, :hide?
-      @tag.account_tag_stat.update!(hidden: true)
-      redirect_to admin_tags_path(@filter_params)
+    def show
+      authorize @tag, :show?
     end
 
-    def unhide
-      authorize @tag, :unhide?
-      @tag.account_tag_stat.update!(hidden: false)
-      redirect_to admin_tags_path(@filter_params)
+    def update
+      authorize @tag, :update?
+
+      if @tag.update(tag_params.merge(reviewed_at: Time.now.utc))
+        redirect_to admin_tag_path(@tag.id), notice: I18n.t('admin.tags.updated_msg')
+      else
+        render :show
+      end
     end
 
     private
 
     def set_tags
-      @tags = Tag.discoverable
-      @tags.merge!(Tag.hidden) if filter_params[:hidden]
+      @tags = filtered_tags.page(params[:page])
     end
 
     def set_tag
       @tag = Tag.find(params[:id])
     end
 
-    def set_filter_params
-      @filter_params = filter_params.to_hash.symbolize_keys
+    def set_usage_by_domain
+      @usage_by_domain = @tag.statuses
+                             .where(visibility: :public)
+                             .where(Status.arel_table[:id].gteq(Mastodon::Snowflake.id_at(Time.now.utc.beginning_of_day)))
+                             .joins(:account)
+                             .group('accounts.domain')
+                             .reorder('statuses_count desc')
+                             .pluck('accounts.domain, count(*) AS statuses_count')
+    end
+
+    def set_counters
+      @accounts_today = @tag.history.first[:accounts]
+      @accounts_week  = Redis.current.pfcount(*current_week_days.map { |day| "activity:tags:#{@tag.id}:#{day}:accounts" })
+    end
+
+    def filtered_tags
+      scope = Tag
+      scope = scope.discoverable if filter_params[:context] == 'directory'
+      scope = scope.unreviewed if filter_params[:review] == 'unreviewed'
+      scope = scope.reviewed.order(reviewed_at: :desc) if filter_params[:review] == 'reviewed'
+      scope = scope.pending_review.order(requested_review_at: :desc) if filter_params[:review] == 'pending_review'
+      scope.order(score: :desc)
     end
 
     def filter_params
-      params.permit(:hidden)
+      params.slice(:context, :review).permit(:context, :review)
+    end
+
+    def tag_params
+      params.require(:tag).permit(:name, :trendable, :usable, :listable)
+    end
+
+    def current_week_days
+      now = Time.now.utc.beginning_of_day.to_date
+
+      (Date.commercial(now.cwyear, now.cweek)..now).map do |date|
+        date.to_time.utc.beginning_of_day.to_i
+      end
     end
   end
 end
diff --git a/app/controllers/api/v1/trends_controller.rb b/app/controllers/api/v1/trends_controller.rb
new file mode 100644
index 000000000..bcea9857e
--- /dev/null
+++ b/app/controllers/api/v1/trends_controller.rb
@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+class Api::V1::TrendsController < Api::BaseController
+  before_action :set_tags
+
+  respond_to :json
+
+  def index
+    render json: @tags, each_serializer: REST::TagSerializer
+  end
+
+  private
+
+  def set_tags
+    @tags = TrendingTags.get(limit_param(10))
+  end
+end
diff --git a/app/controllers/directories_controller.rb b/app/controllers/directories_controller.rb
index 0702ebc04..f2d1f5661 100644
--- a/app/controllers/directories_controller.rb
+++ b/app/controllers/directories_controller.rb
@@ -30,7 +30,7 @@ class DirectoriesController < ApplicationController
   end
 
   def set_tag
-    @tag = Tag.discoverable.find_by!(name: params[:id].downcase)
+    @tag = Tag.discoverable.find_normalized!(params[:id])
   end
 
   def set_tags
diff --git a/app/controllers/remote_interaction_controller.rb b/app/controllers/remote_interaction_controller.rb
index e76f248b1..5ae72989b 100644
--- a/app/controllers/remote_interaction_controller.rb
+++ b/app/controllers/remote_interaction_controller.rb
@@ -40,7 +40,6 @@ class RemoteInteractionController < ApplicationController
     @status = Status.find(params[:id])
     authorize @status, :show?
   rescue Mastodon::NotPermittedError
-    # Reraise in order to get a 404
     raise ActiveRecord::RecordNotFound
   end
 
diff --git a/app/controllers/settings/preferences_controller.rb b/app/controllers/settings/preferences_controller.rb
index ab6b5c0b0..418ea5d7a 100644
--- a/app/controllers/settings/preferences_controller.rb
+++ b/app/controllers/settings/preferences_controller.rb
@@ -58,7 +58,8 @@ class Settings::PreferencesController < Settings::BaseController
       :setting_default_content_type,
       :setting_use_blurhash,
       :setting_use_pending_items,
-      notification_emails: %i(follow follow_request reblog favourite mention digest report pending_account),
+      :setting_trends,
+      notification_emails: %i(follow follow_request reblog favourite mention digest report pending_account trending_tag),
       interactions: %i(must_be_follower must_be_following must_be_following_dm)
     )
   end
diff --git a/app/controllers/tags_controller.rb b/app/controllers/tags_controller.rb
index ec494bb2d..d6bb28eb5 100644
--- a/app/controllers/tags_controller.rb
+++ b/app/controllers/tags_controller.rb
@@ -48,7 +48,7 @@ class TagsController < ApplicationController
   private
 
   def set_tag
-    @tag = Tag.find_normalized!(params[:id])
+    @tag = Tag.usable.find_normalized!(params[:id])
   end
 
   def set_body_classes
diff --git a/app/controllers/well_known/webfinger_controller.rb b/app/controllers/well_known/webfinger_controller.rb
index 53f7f1e27..50bace217 100644
--- a/app/controllers/well_known/webfinger_controller.rb
+++ b/app/controllers/well_known/webfinger_controller.rb
@@ -9,17 +9,8 @@ module WellKnown
     def show
       @account = Account.find_local!(username_from_resource)
 
-      respond_to do |format|
-        format.any(:json, :html) do
-          render json: @account, serializer: WebfingerSerializer, content_type: 'application/jrd+json'
-        end
-
-        format.xml do
-          render content_type: 'application/xrd+xml'
-        end
-      end
-
       expires_in 3.days, public: true
+      render json: @account, serializer: WebfingerSerializer, content_type: 'application/jrd+json'
     rescue ActiveRecord::RecordNotFound
       head 404
     end
diff --git a/app/helpers/admin/filter_helper.rb b/app/helpers/admin/filter_helper.rb
index 0bda25974..506429e10 100644
--- a/app/helpers/admin/filter_helper.rb
+++ b/app/helpers/admin/filter_helper.rb
@@ -5,15 +5,16 @@ module Admin::FilterHelper
   REPORT_FILTERS       = %i(resolved account_id target_account_id).freeze
   INVITE_FILTER        = %i(available expired).freeze
   CUSTOM_EMOJI_FILTERS = %i(local remote by_domain shortcode).freeze
-  TAGS_FILTERS         = %i(hidden).freeze
+  TAGS_FILTERS         = %i(context review).freeze
   INSTANCES_FILTERS    = %i(limited by_domain).freeze
   FOLLOWERS_FILTERS    = %i(relationship status by_domain activity order).freeze
 
   FILTERS = ACCOUNT_FILTERS + REPORT_FILTERS + INVITE_FILTER + CUSTOM_EMOJI_FILTERS + TAGS_FILTERS + INSTANCES_FILTERS + FOLLOWERS_FILTERS
 
   def filter_link_to(text, link_to_params, link_class_params = link_to_params)
-    new_url = filtered_url_for(link_to_params)
+    new_url   = filtered_url_for(link_to_params)
     new_class = filtered_url_for(link_class_params)
+
     link_to text, new_url, class: filter_link_class(new_class)
   end
 
diff --git a/app/javascript/flavours/glitch/actions/modal.js b/app/javascript/flavours/glitch/actions/modal.js
index 80e15c28e..3d0299db5 100644
--- a/app/javascript/flavours/glitch/actions/modal.js
+++ b/app/javascript/flavours/glitch/actions/modal.js
@@ -9,8 +9,9 @@ export function openModal(type, props) {
   };
 };
 
-export function closeModal() {
+export function closeModal(type) {
   return {
     type: MODAL_CLOSE,
+    modalType: type,
   };
 };
diff --git a/app/javascript/flavours/glitch/components/dropdown_menu.js b/app/javascript/flavours/glitch/components/dropdown_menu.js
index 05611c135..39d7ba50c 100644
--- a/app/javascript/flavours/glitch/components/dropdown_menu.js
+++ b/app/javascript/flavours/glitch/components/dropdown_menu.js
@@ -45,7 +45,9 @@ class DropdownMenu extends React.PureComponent {
     document.addEventListener('click', this.handleDocumentClick, false);
     document.addEventListener('keydown', this.handleKeyDown, false);
     document.addEventListener('touchend', this.handleDocumentClick, listenerOptions);
-    if (this.focusedItem && this.props.openedViaKeyboard) this.focusedItem.focus();
+    if (this.focusedItem && this.props.openedViaKeyboard) {
+      this.focusedItem.focus();
+    }
     this.setState({ mounted: true });
   }
 
@@ -81,6 +83,18 @@ class DropdownMenu extends React.PureComponent {
         element.focus();
       }
       break;
+    case 'Tab':
+      if (e.shiftKey) {
+        element = items[index-1] || items[items.length-1];
+      } else {
+        element = items[index+1] || items[0];
+      }
+      if (element) {
+        element.focus();
+        e.preventDefault();
+        e.stopPropagation();
+      }
+      break;
     case 'Home':
       element = items[0];
       if (element) {
@@ -93,11 +107,14 @@ class DropdownMenu extends React.PureComponent {
         element.focus();
       }
       break;
+    case 'Escape':
+      this.props.onClose();
+      break;
     }
   }
 
-  handleItemKeyDown = e => {
-    if (e.key === 'Enter') {
+  handleItemKeyPress = e => {
+    if (e.key === 'Enter' || e.key === ' ') {
       this.handleClick(e);
     }
   }
@@ -126,7 +143,7 @@ class DropdownMenu extends React.PureComponent {
 
     return (
       <li className='dropdown-menu__item' key={`${text}-${i}`}>
-        <a href={href} target='_blank' rel='noopener' role='button' tabIndex='0' ref={i === 0 ? this.setFocusRef : null} onClick={this.handleClick} onKeyDown={this.handleItemKeyDown} data-index={i}>
+        <a href={href} target='_blank' rel='noopener' role='button' tabIndex='0' ref={i === 0 ? this.setFocusRef : null} onClick={this.handleClick} onKeyPress={this.handleItemKeyPress} data-index={i}>
           {text}
         </a>
       </li>
@@ -193,25 +210,41 @@ export default class Dropdown extends React.PureComponent {
     } else {
       const { top } = target.getBoundingClientRect();
       const placement = top * 2 < innerHeight ? 'bottom' : 'top';
-
       this.props.onOpen(this.state.id, this.handleItemClick, placement, type !== 'click');
     }
   }
 
   handleClose = () => {
+    if (this.activeElement) {
+      this.activeElement.focus();
+      this.activeElement = null;
+    }
     this.props.onClose(this.state.id);
   }
 
-  handleKeyDown = e => {
+  handleMouseDown = () => {
+    if (!this.state.open) {
+      this.activeElement = document.activeElement;
+    }
+  }
+
+  handleButtonKeyDown = (e) => {
+    switch(e.key) {
+    case ' ':
+    case 'Enter':
+      this.handleMouseDown();
+      break;
+    }
+  }
+
+  handleKeyPress = (e) => {
     switch(e.key) {
     case ' ':
     case 'Enter':
       this.handleClick(e);
+      e.stopPropagation();
       e.preventDefault();
       break;
-    case 'Escape':
-      this.handleClose();
-      break;
     }
   }
 
@@ -248,7 +281,7 @@ export default class Dropdown extends React.PureComponent {
     const open = this.state.id === openDropdownId;
 
     return (
-      <div onKeyDown={this.handleKeyDown}>
+      <div>
         <IconButton
           icon={icon}
           title={ariaLabel}
@@ -257,6 +290,9 @@ export default class Dropdown extends React.PureComponent {
           size={size}
           ref={this.setTargetRef}
           onClick={this.handleClick}
+          onMouseDown={this.handleMouseDown}
+          onKeyDown={this.handleButtonKeyDown}
+          onKeyPress={this.handleKeyPress}
         />
 
         <Overlay show={open} placement={dropdownPlacement} target={this.findTarget}>
diff --git a/app/javascript/flavours/glitch/components/icon_button.js b/app/javascript/flavours/glitch/components/icon_button.js
index 6a25794d3..521353238 100644
--- a/app/javascript/flavours/glitch/components/icon_button.js
+++ b/app/javascript/flavours/glitch/components/icon_button.js
@@ -11,6 +11,9 @@ export default class IconButton extends React.PureComponent {
     title: PropTypes.string.isRequired,
     icon: PropTypes.string.isRequired,
     onClick: PropTypes.func,
+    onMouseDown: PropTypes.func,
+    onKeyDown: PropTypes.func,
+    onKeyPress: PropTypes.func,
     size: PropTypes.number,
     active: PropTypes.bool,
     pressed: PropTypes.bool,
@@ -43,6 +46,24 @@ export default class IconButton extends React.PureComponent {
     }
   }
 
+  handleKeyPress = (e) => {
+    if (this.props.onKeyPress && !this.props.disabled) {
+      this.props.onKeyPress(e);
+    }
+  }
+
+  handleMouseDown = (e) => {
+    if (!this.props.disabled && this.props.onMouseDown) {
+      this.props.onMouseDown(e);
+    }
+  }
+
+  handleKeyDown = (e) => {
+    if (!this.props.disabled && this.props.onKeyDown) {
+      this.props.onKeyDown(e);
+    }
+  }
+
   render () {
     let style = {
       fontSize: `${this.props.size}px`,
@@ -105,6 +126,9 @@ export default class IconButton extends React.PureComponent {
           title={title}
           className={classes}
           onClick={this.handleClick}
+          onMouseDown={this.handleMouseDown}
+          onKeyDown={this.handleKeyDown}
+          onKeyPress={this.handleKeyPress}
           style={style}
           tabIndex={tabIndex}
           disabled={disabled}
@@ -124,6 +148,9 @@ export default class IconButton extends React.PureComponent {
             title={title}
             className={classes}
             onClick={this.handleClick}
+            onMouseDown={this.handleMouseDown}
+            onKeyDown={this.handleKeyDown}
+            onKeyPress={this.handleKeyPress}
             style={style}
             tabIndex={tabIndex}
             disabled={disabled}
diff --git a/app/javascript/flavours/glitch/components/modal_root.js b/app/javascript/flavours/glitch/components/modal_root.js
index 4e8648b49..fd0af9f6e 100644
--- a/app/javascript/flavours/glitch/components/modal_root.js
+++ b/app/javascript/flavours/glitch/components/modal_root.js
@@ -26,8 +26,30 @@ export default class ModalRoot extends React.PureComponent {
     }
   }
 
+  handleKeyDown = (e) => {
+    if (e.key === 'Tab') {
+      const focusable = Array.from(this.node.querySelectorAll('button:not([disabled]), [href], input:not([disabled]), select:not([disabled]), textarea:not([disabled]), [tabindex]:not([tabindex="-1"])')).filter((x) => window.getComputedStyle(x).display !== 'none');
+      const index = focusable.indexOf(e.target);
+
+      let element;
+
+      if (e.shiftKey) {
+        element = focusable[index - 1] || focusable[focusable.length - 1];
+      } else {
+        element = focusable[index + 1] || focusable[0];
+      }
+
+      if (element) {
+        element.focus();
+        e.stopPropagation();
+        e.preventDefault();
+      }
+    }
+  }
+
   componentDidMount () {
     window.addEventListener('keyup', this.handleKeyUp, false);
+    window.addEventListener('keydown', this.handleKeyDown, false);
     this.history = this.context.router ? this.context.router.history : createHistory();
   }
 
@@ -60,6 +82,7 @@ export default class ModalRoot extends React.PureComponent {
 
   componentWillUnmount () {
     window.removeEventListener('keyup', this.handleKeyUp);
+    window.removeEventListener('keydown', this.handleKeyDown);
   }
 
   handleModalClose () {
diff --git a/app/javascript/flavours/glitch/components/status.js b/app/javascript/flavours/glitch/components/status.js
index 7c08ae4e8..170efad04 100644
--- a/app/javascript/flavours/glitch/components/status.js
+++ b/app/javascript/flavours/glitch/components/status.js
@@ -699,6 +699,7 @@ class Status extends ImmutablePureComponent {
             onExpandedToggle={this.handleExpandedToggle}
             parseClick={parseClick}
             disabled={!router}
+            tagLinks={settings.get('tag_misleading_links')}
           />
           {!isCollapsed || !(muted || !settings.getIn(['collapsed', 'show_action_bar'])) ? (
             <StatusActionBar
diff --git a/app/javascript/flavours/glitch/components/status_content.js b/app/javascript/flavours/glitch/components/status_content.js
index 602a28064..95a4fe3fa 100644
--- a/app/javascript/flavours/glitch/components/status_content.js
+++ b/app/javascript/flavours/glitch/components/status_content.js
@@ -6,6 +6,53 @@ import { FormattedMessage } from 'react-intl';
 import Permalink from './permalink';
 import classnames from 'classnames';
 import { autoPlayGif } from 'flavours/glitch/util/initial_state';
+import { decode as decodeIDNA } from 'flavours/glitch/util/idna';
+
+const textMatchesTarget = (text, origin, host) => {
+  return (text === origin || text === host
+          || text.startsWith(origin + '/') || text.startsWith(host + '/')
+          || 'www.' + text === host || ('www.' + text).startsWith(host + '/'));
+}
+
+const isLinkMisleading = (link) => {
+  let linkTextParts = [];
+
+  // Reconstruct visible text, as we do not have much control over how links
+  // from remote software look, and we can't rely on `innerText` because the
+  // `invisible` class does not set `display` to `none`.
+
+  const walk = (node) => {
+    switch (node.nodeType) {
+    case Node.TEXT_NODE:
+      linkTextParts.push(node.textContent);
+      break;
+    case Node.ELEMENT_NODE:
+      if (node.classList.contains('invisible')) return;
+      const children = node.childNodes;
+      for (let i = 0; i < children.length; i++) {
+        walk(children[i]);
+      }
+      break;
+    }
+  };
+
+  walk(link);
+
+  const linkText = linkTextParts.join('');
+  const targetURL = new URL(link.href);
+
+  // The following may not work with international domain names
+  if (textMatchesTarget(linkText, targetURL.origin, targetURL.host) || textMatchesTarget(linkText.toLowerCase(), targetURL.origin, targetURL.host)) {
+    return false;
+  }
+
+  // The link hasn't been recognized, maybe it features an international domain name
+  const hostname = decodeIDNA(targetURL.hostname).normalize('NFKC');
+  const host = targetURL.host.replace(targetURL.hostname, hostname);
+  const origin = targetURL.origin.replace(targetURL.host, host);
+  const text = linkText.normalize('NFKC');
+  return !(textMatchesTarget(text, origin, host) || textMatchesTarget(text.toLowerCase(), origin, host));
+};
 
 export default class StatusContent extends React.PureComponent {
 
@@ -19,6 +66,11 @@ export default class StatusContent extends React.PureComponent {
     parseClick: PropTypes.func,
     disabled: PropTypes.bool,
     onUpdate: PropTypes.func,
+    tagLinks: PropTypes.bool,
+  };
+
+  static defaultProps = {
+    tagLinks: true,
   };
 
   state = {
@@ -27,6 +79,7 @@ export default class StatusContent extends React.PureComponent {
 
   _updateStatusLinks () {
     const node = this.contentsNode;
+    const { tagLinks } = this.props;
 
     if (!node) {
       return;
@@ -52,6 +105,21 @@ export default class StatusContent extends React.PureComponent {
         link.addEventListener('click', this.onLinkClick.bind(this), false);
         link.setAttribute('title', link.href);
         link.classList.add('unhandled-link');
+
+        try {
+          if (tagLinks && isLinkMisleading(link)) {
+            // Add a tag besides the link to display its origin
+
+            const tag = document.createElement('span');
+            tag.classList.add('link-origin-tag');
+            tag.textContent = `[${new URL(link.href).host}]`;
+            link.insertAdjacentText('beforeend', ' ');
+            link.insertAdjacentElement('beforeend', tag);
+          }
+        } catch (e) {
+          // The URL is invalid, remove the href just to be safe
+          if (tagLinks && e instanceof TypeError) link.removeAttribute('href');
+        }
       }
 
       link.setAttribute('target', '_blank');
@@ -104,7 +172,7 @@ export default class StatusContent extends React.PureComponent {
   }
 
   onHashtagClick = (hashtag, e) => {
-    hashtag = hashtag.replace(/^#/, '').toLowerCase();
+    hashtag = hashtag.replace(/^#/, '');
 
     if (this.props.parseClick) {
       this.props.parseClick(e, `/timelines/tag/${hashtag}`);
@@ -173,6 +241,7 @@ export default class StatusContent extends React.PureComponent {
       mediaIcon,
       parseClick,
       disabled,
+      tagLinks,
     } = this.props;
 
     const hidden = this.props.onExpandedToggle ? !this.props.expanded : this.state.hidden;
@@ -247,6 +316,7 @@ export default class StatusContent extends React.PureComponent {
           <div className={`status__content__spoiler ${!hidden ? 'status__content__spoiler--visible' : ''}`}>
             <div
               ref={this.setContentsRef}
+              key={`contents-${tagLinks}`}
               style={directionStyle}
               tabIndex={!hidden ? 0 : null}
               dangerouslySetInnerHTML={content}
@@ -270,6 +340,7 @@ export default class StatusContent extends React.PureComponent {
         >
           <div
             ref={this.setContentsRef}
+            key={`contents-${tagLinks}`}
             dangerouslySetInnerHTML={content}
             lang={status.get('language')}
             className='status__content__text'
@@ -286,7 +357,7 @@ export default class StatusContent extends React.PureComponent {
           tabIndex='0'
           ref={this.setRef}
         >
-          <div ref={this.setContentsRef} className='status__content__text' dangerouslySetInnerHTML={content} lang={status.get('language')} tabIndex='0' />
+          <div ref={this.setContentsRef} key={`contents-${tagLinks}`} className='status__content__text' dangerouslySetInnerHTML={content} lang={status.get('language')} tabIndex='0' />
           {media}
         </div>
       );
diff --git a/app/javascript/flavours/glitch/containers/dropdown_menu_container.js b/app/javascript/flavours/glitch/containers/dropdown_menu_container.js
index b2419a0fd..1378e75fe 100644
--- a/app/javascript/flavours/glitch/containers/dropdown_menu_container.js
+++ b/app/javascript/flavours/glitch/containers/dropdown_menu_container.js
@@ -25,7 +25,7 @@ const mapDispatchToProps = (dispatch, { status, items }) => ({
     }) : openDropdownMenu(id, dropdownPlacement, keyboard));
   },
   onClose(id) {
-    dispatch(closeModal());
+    dispatch(closeModal('ACTIONS'));
     dispatch(closeDropdownMenu(id));
   },
 });
diff --git a/app/javascript/flavours/glitch/features/compose/components/dropdown.js b/app/javascript/flavours/glitch/features/compose/components/dropdown.js
index 8d982208f..60035b705 100644
--- a/app/javascript/flavours/glitch/features/compose/components/dropdown.js
+++ b/app/javascript/flavours/glitch/features/compose/components/dropdown.js
@@ -12,33 +12,101 @@ import DropdownMenu from './dropdown_menu';
 import { isUserTouching } from 'flavours/glitch/util/is_mobile';
 import { assignHandlers } from 'flavours/glitch/util/react_helpers';
 
-//  Handlers.
-const handlers = {
+//  The component.
+export default class ComposerOptionsDropdown extends React.PureComponent {
 
-  //  Closes the dropdown.
-  handleClose () {
-    this.setState({ open: false });
-  },
+  static propTypes = {
+    active: PropTypes.bool,
+    disabled: PropTypes.bool,
+    icon: PropTypes.string,
+    items: PropTypes.arrayOf(PropTypes.shape({
+      icon: PropTypes.string,
+      meta: PropTypes.node,
+      name: PropTypes.string.isRequired,
+      on: PropTypes.bool,
+      text: PropTypes.node,
+    })).isRequired,
+    onModalOpen: PropTypes.func,
+    onModalClose: PropTypes.func,
+    title: PropTypes.string,
+    value: PropTypes.string,
+    onChange: PropTypes.func,
+  };
+
+  state = {
+    needsModalUpdate: false,
+    open: false,
+    openedViaKeyboard: undefined,
+    placement: 'bottom',
+  };
 
-  //  The enter key toggles the dropdown's open state, and the escape
-  //  key closes it.
-  handleKeyDown ({ key }) {
-    const {
-      handleClose,
-      handleToggle,
-    } = this.handlers;
-    switch (key) {
+  //  Toggles opening and closing the dropdown.
+  handleToggle = ({ target, type }) => {
+    const { onModalOpen } = this.props;
+    const { open } = this.state;
+
+    if (isUserTouching()) {
+      if (this.state.open) {
+        this.props.onModalClose();
+      } else {
+        const modal = this.handleMakeModal();
+        if (modal && onModalOpen) {
+          onModalOpen(modal);
+        }
+      }
+    } else {
+      const { top } = target.getBoundingClientRect();
+      if (this.state.open && this.activeElement) {
+        this.activeElement.focus();
+      }
+      this.setState({ placement: top * 2 < innerHeight ? 'bottom' : 'top' });
+      this.setState({ open: !this.state.open, openedViaKeyboard: type !== 'click' });
+    }
+  }
+
+  handleKeyDown = (e) => {
+    switch (e.key) {
+    case 'Escape':
+      this.handleClose();
+      break;
+    }
+  }
+
+  handleMouseDown = () => {
+    if (!this.state.open) {
+      this.activeElement = document.activeElement;
+    }
+  }
+
+  handleButtonKeyDown = (e) => {
+    switch(e.key) {
+    case ' ':
     case 'Enter':
-      handleToggle(key);
+      this.handleMouseDown();
       break;
-    case 'Escape':
-      handleClose();
+    }
+  }
+
+  handleKeyPress = (e) => {
+    switch(e.key) {
+    case ' ':
+    case 'Enter':
+      this.handleToggle(e);
+      e.stopPropagation();
+      e.preventDefault();
       break;
     }
-  },
+  }
+
+  handleClose = () => {
+    if (this.state.open && this.activeElement) {
+      this.activeElement.focus();
+    }
+    this.setState({ open: false });
+  }
 
   //  Creates an action modal object.
-  handleMakeModal () {
+  handleMakeModal = () => {
     const component = this;
     const {
       items,
@@ -76,74 +144,31 @@ const handlers = {
         })
       ),
     };
-  },
-
-  //  Toggles opening and closing the dropdown.
-  handleToggle ({ target }) {
-    const { handleMakeModal } = this.handlers;
-    const { onModalOpen } = this.props;
-    const { open } = this.state;
-
-    //  If this is a touch device, we open a modal instead of the
-    //  dropdown.
-    if (isUserTouching()) {
-
-      //  This gets the modal to open.
-      const modal = handleMakeModal();
-
-      //  If we can, we then open the modal.
-      if (modal && onModalOpen) {
-        onModalOpen(modal);
-        return;
-      }
-    }
-
-    const { top } = target.getBoundingClientRect();
-    this.setState({ placement: top * 2 < innerHeight ? 'bottom' : 'top' });
-    //  Otherwise, we just set our state to open.
-    this.setState({ open: !open });
-  },
+  }
 
   //  If our modal is open and our props update, we need to also update
   //  the modal.
-  handleUpdate () {
-    const { handleMakeModal } = this.handlers;
+  handleUpdate = () => {
     const { onModalOpen } = this.props;
     const { needsModalUpdate } = this.state;
 
     //  Gets our modal object.
-    const modal = handleMakeModal();
+    const modal = this.handleMakeModal();
 
     //  Reopens the modal with the new object.
     if (needsModalUpdate && modal && onModalOpen) {
       onModalOpen(modal);
     }
-  },
-};
-
-//  The component.
-export default class ComposerOptionsDropdown extends React.PureComponent {
-
-  //  Constructor.
-  constructor (props) {
-    super(props);
-    assignHandlers(this, handlers);
-    this.state = {
-      needsModalUpdate: false,
-      open: false,
-      placement: 'bottom',
-    };
   }
 
   //  Updates our modal as necessary.
   componentDidUpdate (prevProps) {
-    const { handleUpdate } = this.handlers;
     const { items } = this.props;
     const { needsModalUpdate } = this.state;
     if (needsModalUpdate && items.find(
       (item, i) => item.on !== prevProps.items[i].on
     )) {
-      handleUpdate();
+      this.handleUpdate();
       this.setState({ needsModalUpdate: false });
     }
   }
@@ -151,11 +176,6 @@ export default class ComposerOptionsDropdown extends React.PureComponent {
   //  Rendering.
   render () {
     const {
-      handleClose,
-      handleKeyDown,
-      handleToggle,
-    } = this.handlers;
-    const {
       active,
       disabled,
       title,
@@ -175,14 +195,18 @@ export default class ComposerOptionsDropdown extends React.PureComponent {
     return (
       <div
         className={computedClass}
-        onKeyDown={handleKeyDown}
+        onKeyDown={this.handleKeyDown}
       >
         <IconButton
           active={open || active}
           className='value'
           disabled={disabled}
           icon={icon}
-          onClick={handleToggle}
+          inverted
+          onClick={this.handleToggle}
+          onMouseDown={this.handleMouseDown}
+          onKeyDown={this.handleButtonKeyDown}
+          onKeyPress={this.handleKeyPress}
           size={18}
           style={{
             height: null,
@@ -199,8 +223,9 @@ export default class ComposerOptionsDropdown extends React.PureComponent {
           <DropdownMenu
             items={items}
             onChange={onChange}
-            onClose={handleClose}
+            onClose={this.handleClose}
             value={value}
+            openedViaKeyboard={this.state.openedViaKeyboard}
           />
         </Overlay>
       </div>
@@ -208,22 +233,3 @@ export default class ComposerOptionsDropdown extends React.PureComponent {
   }
 
 }
-
-//  Props.
-ComposerOptionsDropdown.propTypes = {
-  active: PropTypes.bool,
-  disabled: PropTypes.bool,
-  icon: PropTypes.string,
-  items: PropTypes.arrayOf(PropTypes.shape({
-    icon: PropTypes.string,
-    meta: PropTypes.node,
-    name: PropTypes.string.isRequired,
-    on: PropTypes.bool,
-    text: PropTypes.node,
-  })).isRequired,
-  onChange: PropTypes.func,
-  onModalClose: PropTypes.func,
-  onModalOpen: PropTypes.func,
-  title: PropTypes.string,
-  value: PropTypes.string,
-};
diff --git a/app/javascript/flavours/glitch/features/compose/components/dropdown_menu.js b/app/javascript/flavours/glitch/features/compose/components/dropdown_menu.js
index 19d35a8f4..f812be7a9 100644
--- a/app/javascript/flavours/glitch/features/compose/components/dropdown_menu.js
+++ b/app/javascript/flavours/glitch/features/compose/components/dropdown_menu.js
@@ -14,91 +14,6 @@ import { withPassive } from 'flavours/glitch/util/dom_helpers';
 import Motion from 'flavours/glitch/util/optional_motion';
 import { assignHandlers } from 'flavours/glitch/util/react_helpers';
 
-class ComposerOptionsDropdownContentItem extends ImmutablePureComponent {
-
-  static propTypes = {
-    active: PropTypes.bool,
-    name: PropTypes.string,
-    onChange: PropTypes.func,
-    onClose: PropTypes.func,
-    options: PropTypes.shape({
-      icon: PropTypes.string,
-      meta: PropTypes.node,
-      on: PropTypes.bool,
-      text: PropTypes.node,
-    }),
-  };
-
-  handleActivate = (e) => {
-    const {
-      name,
-      onChange,
-      onClose,
-      options: { on },
-    } = this.props;
-
-    //  If the escape key was pressed, we close the dropdown.
-    if (e.key === 'Escape' && onClose) {
-      onClose();
-
-    //  Otherwise, we both close the dropdown and change the value.
-    } else if (onChange && (!e.key || e.key === 'Enter')) {
-      e.preventDefault();  //  Prevents change in focus on click
-      if ((on === null || typeof on === 'undefined') && onClose) {
-        onClose();
-      }
-      onChange(name);
-    }
-  }
-
-  //  Rendering.
-  render () {
-    const {
-      active,
-      options: {
-        icon,
-        meta,
-        on,
-        text,
-      },
-    } = this.props;
-    const computedClass = classNames('composer--options--dropdown--content--item', {
-      active,
-      lengthy: meta,
-      'toggled-off': !on && on !== null && typeof on !== 'undefined',
-      'toggled-on': on,
-      'with-icon': icon,
-    });
-
-    let prefix = null;
-
-    if (on !== null && typeof on !== 'undefined') {
-      prefix = <Toggle checked={on} onChange={this.handleActivate} />;
-    } else if (icon) {
-      prefix = <Icon className='icon' fullwidth icon={icon} />
-    }
-
-    //  The result.
-    return (
-      <div
-        className={computedClass}
-        onClick={this.handleActivate}
-        onKeyDown={this.handleActivate}
-        role='button'
-        tabIndex='0'
-      >
-        {prefix}
-
-        <div className='content'>
-          <strong>{text}</strong>
-          {meta}
-        </div>
-      </div>
-    );
-  }
-
-};
-
 //  The spring to use with our motion.
 const springMotion = spring(1, {
   damping: 35,
@@ -116,10 +31,11 @@ export default class ComposerOptionsDropdownContent extends React.PureComponent
       on: PropTypes.bool,
       text: PropTypes.node,
     })),
-    onChange: PropTypes.func,
-    onClose: PropTypes.func,
+    onChange: PropTypes.func.isRequired,
+    onClose: PropTypes.func.isRequired,
     style: PropTypes.object,
     value: PropTypes.string,
+    openedViaKeyboard: PropTypes.bool,
   };
 
   static defaultProps = {
@@ -128,14 +44,13 @@ export default class ComposerOptionsDropdownContent extends React.PureComponent
 
   state = {
     mounted: false,
+    value: this.props.openedViaKeyboard ? this.props.items[0].name : undefined,
   };
 
   //  When the document is clicked elsewhere, we close the dropdown.
-  handleDocumentClick = ({ target }) => {
-    const { node } = this;
-    const { onClose } = this.props;
-    if (onClose && node && !node.contains(target)) {
-      onClose();
+  handleDocumentClick = (e) => {
+    if (this.node && !this.node.contains(e.target)) {
+      this.props.onClose();
     }
   }
 
@@ -148,6 +63,11 @@ export default class ComposerOptionsDropdownContent extends React.PureComponent
   componentDidMount () {
     document.addEventListener('click', this.handleDocumentClick, false);
     document.addEventListener('touchend', this.handleDocumentClick, withPassive);
+    if (this.focusedItem) {
+      this.focusedItem.focus();
+    } else {
+      this.node.firstChild.focus();
+    }
     this.setState({ mounted: true });
   }
 
@@ -157,6 +77,138 @@ export default class ComposerOptionsDropdownContent extends React.PureComponent
     document.removeEventListener('touchend', this.handleDocumentClick, withPassive);
   }
 
+  handleClick = (e) => {
+    const name = e.currentTarget.getAttribute('data-index');
+
+    const {
+      onChange,
+      onClose,
+      items,
+    } = this.props;
+
+    const { on } = this.props.items.find(item => item.name === name);
+    e.preventDefault();  //  Prevents change in focus on click
+    if ((on === null || typeof on === 'undefined')) {
+      onClose();
+    }
+    onChange(name);
+  }
+
+  // Handle changes differently whether the dropdown is a list of options or actions
+  handleChange = (name) => {
+    if (this.props.value) {
+      this.props.onChange(name);
+    } else {
+      this.setState({ value: name });
+    }
+  }
+
+  handleKeyDown = e => {
+    const { items } = this.props;
+    const name = e.currentTarget.getAttribute('data-index');
+    const index = items.findIndex(item => {
+      return (item.name === name);
+    });
+    let element;
+
+    switch(e.key) {
+    case 'Escape':
+      this.props.onClose();
+      break;
+    case 'Enter':
+    case ' ':
+      this.handleClick(e);
+      break;
+    case 'ArrowDown':
+      element = this.node.childNodes[index + 1];
+      if (element) {
+        element.focus();
+        this.handleChange(element.getAttribute('data-index'));
+      }
+      break;
+    case 'ArrowUp':
+      element = this.node.childNodes[index - 1];
+      if (element) {
+        element.focus();
+        this.handleChange(element.getAttribute('data-index'));
+      }
+      break;
+    case 'Tab':
+      if (e.shiftKey) {
+        element = this.node.childNodes[index - 1] || this.node.lastChild;
+      } else {
+        element = this.node.childNodes[index + 1] || this.node.firstChild;
+      }
+      if (element) {
+        element.focus();
+        this.handleChange(element.getAttribute('data-index'));
+        e.preventDefault();
+        e.stopPropagation();
+      }
+      break;
+    case 'Home':
+      element = this.node.firstChild;
+      if (element) {
+        element.focus();
+        this.handleChange(element.getAttribute('data-index'));
+      }
+      break;
+    case 'End':
+      element = this.node.lastChild;
+      if (element) {
+        element.focus();
+        this.handleChange(element.getAttribute('data-index'));
+      }
+      break;
+    }
+  }
+
+  setFocusRef = c => {
+    this.focusedItem = c;
+  }
+
+  renderItem = (item) => {
+    const { name, icon, meta, on, text } = item;
+
+    const active = (name === (this.props.value || this.state.value));
+
+    const computedClass = classNames('composer--options--dropdown--content--item', {
+      active,
+      lengthy: meta,
+      'toggled-off': !on && on !== null && typeof on !== 'undefined',
+      'toggled-on': on,
+      'with-icon': icon,
+    });
+
+    let prefix = null;
+
+    if (on !== null && typeof on !== 'undefined') {
+      prefix = <Toggle checked={on} onChange={this.handleClick} />;
+    } else if (icon) {
+      prefix = <Icon className='icon' fullwidth icon={icon} />
+    }
+
+    return (
+      <div
+        className={computedClass}
+        onClick={this.handleClick}
+        onKeyDown={this.handleKeyDown}
+        role='option'
+        tabIndex='0'
+        key={name}
+        data-index={name}
+        ref={active ? this.setFocusRef : null}
+      >
+        {prefix}
+
+        <div className='content'>
+          <strong>{text}</strong>
+          {meta}
+        </div>
+      </div>
+    );
+  }
+
   //  Rendering.
   render () {
     const { mounted } = this.state;
@@ -165,7 +217,6 @@ export default class ComposerOptionsDropdownContent extends React.PureComponent
       onChange,
       onClose,
       style,
-      value,
     } = this.props;
 
     //  The result.
@@ -189,27 +240,14 @@ export default class ComposerOptionsDropdownContent extends React.PureComponent
           <div
             className='composer--options--dropdown--content'
             ref={this.handleRef}
+            role='listbox'
             style={{
               ...style,
               opacity: opacity,
               transform: mounted ? `scale(${scaleX}, ${scaleY})` : null,
             }}
           >
-            {items ? items.map(
-              ({
-                name,
-                ...rest
-              }) => (
-                <ComposerOptionsDropdownContentItem
-                  active={name === value}
-                  key={name}
-                  name={name}
-                  onChange={onChange}
-                  onClose={onClose}
-                  options={rest}
-                />
-              )
-            ) : null}
+            {!!items && items.map(item => this.renderItem(item))}
           </div>
         )}
       </Motion>
diff --git a/app/javascript/flavours/glitch/features/compose/components/options.js b/app/javascript/flavours/glitch/features/compose/components/options.js
index ed52b1997..92348b000 100644
--- a/app/javascript/flavours/glitch/features/compose/components/options.js
+++ b/app/javascript/flavours/glitch/features/compose/components/options.js
@@ -7,7 +7,7 @@ import spring from 'react-motion/lib/spring';
 
 //  Components.
 import IconButton from 'flavours/glitch/components/icon_button';
-import TextIconButton from 'flavours/glitch/components/text_icon_button';
+import TextIconButton from './text_icon_button';
 import Dropdown from './dropdown';
 import ImmutablePureComponent from 'react-immutable-pure-component';
 
diff --git a/app/javascript/flavours/glitch/components/text_icon_button.js b/app/javascript/flavours/glitch/features/compose/components/text_icon_button.js
index 9c8ffab1f..7f2005060 100644
--- a/app/javascript/flavours/glitch/components/text_icon_button.js
+++ b/app/javascript/flavours/glitch/features/compose/components/text_icon_button.js
@@ -1,6 +1,12 @@
 import React from 'react';
 import PropTypes from 'prop-types';
 
+const iconStyle = {
+  height: null,
+  lineHeight: '27px',
+  width: `${18 * 1.28571429}px`,
+};
+
 export default class TextIconButton extends React.PureComponent {
 
   static propTypes = {
@@ -20,7 +26,15 @@ export default class TextIconButton extends React.PureComponent {
     const { label, title, active, ariaControls } = this.props;
 
     return (
-      <button title={title} aria-label={title} className={`text-icon-button ${active ? 'active' : ''}`} aria-expanded={active} onClick={this.handleClick} aria-controls={ariaControls}>
+      <button
+        title={title}
+        aria-label={title}
+        className={`text-icon-button ${active ? 'active' : ''}`}
+        aria-expanded={active}
+        onClick={this.handleClick}
+        aria-controls={ariaControls}
+        style={iconStyle}
+      >
         {label}
       </button>
     );
diff --git a/app/javascript/flavours/glitch/features/list_editor/components/edit_list_form.js b/app/javascript/flavours/glitch/features/list_editor/components/edit_list_form.js
index 24aaf82ac..bf5a8de35 100644
--- a/app/javascript/flavours/glitch/features/list_editor/components/edit_list_form.js
+++ b/app/javascript/flavours/glitch/features/list_editor/components/edit_list_form.js
@@ -11,7 +11,7 @@ const messages = defineMessages({
 
 const mapStateToProps = state => ({
   value: state.getIn(['listEditor', 'title']),
-  disabled: !state.getIn(['listEditor', 'isChanged']),
+  disabled: !state.getIn(['listEditor', 'isChanged']) || !state.getIn(['listEditor', 'title']),
 });
 
 const mapDispatchToProps = dispatch => ({
diff --git a/app/javascript/flavours/glitch/features/lists/components/new_list_form.js b/app/javascript/flavours/glitch/features/lists/components/new_list_form.js
index 61fcbeaf9..eb5b6188a 100644
--- a/app/javascript/flavours/glitch/features/lists/components/new_list_form.js
+++ b/app/javascript/flavours/glitch/features/lists/components/new_list_form.js
@@ -66,7 +66,7 @@ export default class NewListForm extends React.PureComponent {
         </label>
 
         <IconButton
-          disabled={disabled}
+          disabled={disabled || !value}
           icon='plus'
           title={title}
           onClick={this.handleClick}
diff --git a/app/javascript/flavours/glitch/features/local_settings/page/index.js b/app/javascript/flavours/glitch/features/local_settings/page/index.js
index 910cb5346..bd92a81c2 100644
--- a/app/javascript/flavours/glitch/features/local_settings/page/index.js
+++ b/app/javascript/flavours/glitch/features/local_settings/page/index.js
@@ -66,6 +66,15 @@ export default class LocalSettingsPage extends React.PureComponent {
         >
           <FormattedMessage id='settings.confirm_boost_missing_media_description' defaultMessage='Show confirmation dialog before boosting toots lacking media descriptions' />
         </LocalSettingsPageItem>
+        <LocalSettingsPageItem
+          settings={settings}
+          item={['tag_misleading_links']}
+          id='mastodon-settings--tag_misleading_links'
+          onChange={onChange}
+        >
+          <FormattedMessage id='settings.tag_misleading_links' defaultMessage='Tag misleading links' />
+          <span className='hint'><FormattedMessage id='settings.tag_misleading_links.hint' defaultMessage="Add a visual indication with the link target host to every link not mentioning it explicitly" /></span>
+        </LocalSettingsPageItem>
         <section>
           <h2><FormattedMessage id='settings.notifications_opts' defaultMessage='Notifications options' /></h2>
           <LocalSettingsPageItem
diff --git a/app/javascript/flavours/glitch/features/status/components/card.js b/app/javascript/flavours/glitch/features/status/components/card.js
index f974a87a1..108b6e3b2 100644
--- a/app/javascript/flavours/glitch/features/status/components/card.js
+++ b/app/javascript/flavours/glitch/features/status/components/card.js
@@ -4,15 +4,7 @@ import Immutable from 'immutable';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 import punycode from 'punycode';
 import classnames from 'classnames';
-
-const IDNA_PREFIX = 'xn--';
-
-const decodeIDNA = domain => {
-  return domain
-    .split('.')
-    .map(part => part.indexOf(IDNA_PREFIX) === 0 ? punycode.decode(part.slice(IDNA_PREFIX.length)) : part)
-    .join('.');
-};
+import { decode as decodeIDNA } from 'flavours/glitch/util/idna';
 
 const getHostname = url => {
   const parser = document.createElement('a');
diff --git a/app/javascript/flavours/glitch/features/status/components/detailed_status.js b/app/javascript/flavours/glitch/features/status/components/detailed_status.js
index 1c2258256..fa4ed2fd5 100644
--- a/app/javascript/flavours/glitch/features/status/components/detailed_status.js
+++ b/app/javascript/flavours/glitch/features/status/components/detailed_status.js
@@ -241,6 +241,7 @@ export default class DetailedStatus extends ImmutablePureComponent {
             onExpandedToggle={onToggleHidden}
             parseClick={this.parseClick}
             onUpdate={this.handleChildUpdate}
+            tagLinks={settings.get('tag_misleading_links')}
             disabled
           />
 
diff --git a/app/javascript/flavours/glitch/reducers/local_settings.js b/app/javascript/flavours/glitch/reducers/local_settings.js
index 6fd3d901b..7477c5584 100644
--- a/app/javascript/flavours/glitch/reducers/local_settings.js
+++ b/app/javascript/flavours/glitch/reducers/local_settings.js
@@ -22,6 +22,7 @@ const initialState = ImmutableMap({
   hicolor_privacy_icons: false,
   show_content_type_choice: false,
   filtering_behavior: 'hide',
+  tag_misleading_links: true,
   content_warnings : ImmutableMap({
     auto_unfold : false,
     filter      : null,
diff --git a/app/javascript/flavours/glitch/reducers/modal.js b/app/javascript/flavours/glitch/reducers/modal.js
index 80bc11dda..7bd9d4b32 100644
--- a/app/javascript/flavours/glitch/reducers/modal.js
+++ b/app/javascript/flavours/glitch/reducers/modal.js
@@ -10,7 +10,7 @@ export default function modal(state = initialState, action) {
   case MODAL_OPEN:
     return { modalType: action.modalType, modalProps: action.modalProps };
   case MODAL_CLOSE:
-    return initialState;
+    return (action.modalType === undefined || action.modalType === state.modalType) ? initialState : state;
   default:
     return state;
   }
diff --git a/app/javascript/flavours/glitch/styles/components/index.scss b/app/javascript/flavours/glitch/styles/components/index.scss
index 9f96a3154..6942170f2 100644
--- a/app/javascript/flavours/glitch/styles/components/index.scss
+++ b/app/javascript/flavours/glitch/styles/components/index.scss
@@ -118,20 +118,29 @@
   display: inline-block;
   padding: 0;
   color: $action-button-color;
-  border: none;
+  border: 0;
+  border-radius: 4px;
   background: transparent;
   cursor: pointer;
-  transition: color 100ms ease-in;
+  transition: all 100ms ease-in;
+  transition-property: background-color, color;
 
   &:hover,
   &:active,
   &:focus {
     color: lighten($action-button-color, 7%);
-    transition: color 200ms ease-out;
+    background-color: rgba($action-button-color, 0.15);
+    transition: all 200ms ease-out;
+    transition-property: background-color, color;
+  }
+
+  &:focus {
+    background-color: rgba($action-button-color, 0.3);
   }
 
   &.disabled {
     color: darken($action-button-color, 13%);
+    background-color: transparent;
     cursor: default;
   }
 
@@ -156,10 +165,16 @@
     &:active,
     &:focus {
       color: darken($lighter-text-color, 7%);
+      background-color: rgba($lighter-text-color, 0.15);
+    }
+
+    &:focus {
+      background-color: rgba($lighter-text-color, 0.3);
     }
 
     &.disabled {
       color: lighten($lighter-text-color, 7%);
+      background-color: transparent;
     }
 
     &.active {
@@ -186,7 +201,8 @@
 
 .text-icon-button {
   color: $lighter-text-color;
-  border: none;
+  border: 0;
+  border-radius: 4px;
   background: transparent;
   cursor: pointer;
   font-weight: 600;
@@ -194,17 +210,25 @@
   padding: 0 3px;
   line-height: 27px;
   outline: 0;
-  transition: color 100ms ease-in;
+  transition: all 100ms ease-in;
+  transition-property: background-color, color;
 
   &:hover,
   &:active,
   &:focus {
     color: darken($lighter-text-color, 7%);
-    transition: color 200ms ease-out;
+    background-color: rgba($lighter-text-color, 0.15);
+    transition: all 200ms ease-out;
+    transition-property: background-color, color;
+  }
+
+  &:focus {
+    background-color: rgba($lighter-text-color, 0.3);
   }
 
   &.disabled {
     color: lighten($lighter-text-color, 20%);
+    background-color: transparent;
     cursor: default;
   }
 
diff --git a/app/javascript/flavours/glitch/styles/components/status.scss b/app/javascript/flavours/glitch/styles/components/status.scss
index 803494df6..d0183c2de 100644
--- a/app/javascript/flavours/glitch/styles/components/status.scss
+++ b/app/javascript/flavours/glitch/styles/components/status.scss
@@ -135,6 +135,11 @@
 
   a.unhandled-link {
     color: lighten($ui-highlight-color, 8%);
+
+    .link-origin-tag {
+      color: $gold-star;
+      font-size: 0.8em;
+    }
   }
 
   .status__content__spoiler-link {
diff --git a/app/javascript/mastodon/utils/idna.js b/app/javascript/flavours/glitch/util/idna.js
index efab5bacf..efab5bacf 100644
--- a/app/javascript/mastodon/utils/idna.js
+++ b/app/javascript/flavours/glitch/util/idna.js
diff --git a/app/javascript/flavours/glitch/util/resize_image.js b/app/javascript/flavours/glitch/util/resize_image.js
index bbdbc865e..a8ec5f3fa 100644
--- a/app/javascript/flavours/glitch/util/resize_image.js
+++ b/app/javascript/flavours/glitch/util/resize_image.js
@@ -67,6 +67,14 @@ const processImage = (img, { width, height, orientation, type = 'image/png' }) =
 
   context.drawImage(img, 0, 0, width, height);
 
+  // The Tor Browser and maybe other browsers may prevent reading from canvas
+  // and return an all-white image instead. Assume reading failed if the resized
+  // image is perfectly white.
+  const imageData = context.getImageData(0, 0, width, height);
+  if (imageData.every(value => value === 255)) {
+    throw 'Failed to read from canvas';
+  }
+
   canvas.toBlob(resolve, type);
 });
 
diff --git a/app/javascript/mastodon/actions/modal.js b/app/javascript/mastodon/actions/modal.js
index 80e15c28e..3d0299db5 100644
--- a/app/javascript/mastodon/actions/modal.js
+++ b/app/javascript/mastodon/actions/modal.js
@@ -9,8 +9,9 @@ export function openModal(type, props) {
   };
 };
 
-export function closeModal() {
+export function closeModal(type) {
   return {
     type: MODAL_CLOSE,
+    modalType: type,
   };
 };
diff --git a/app/javascript/mastodon/actions/trends.js b/app/javascript/mastodon/actions/trends.js
new file mode 100644
index 000000000..853e4f60a
--- /dev/null
+++ b/app/javascript/mastodon/actions/trends.js
@@ -0,0 +1,32 @@
+import api from '../api';
+
+export const TRENDS_FETCH_REQUEST = 'TRENDS_FETCH_REQUEST';
+export const TRENDS_FETCH_SUCCESS = 'TRENDS_FETCH_SUCCESS';
+export const TRENDS_FETCH_FAIL    = 'TRENDS_FETCH_FAIL';
+
+export const fetchTrends = () => (dispatch, getState) => {
+  dispatch(fetchTrendsRequest());
+
+  api(getState)
+    .get('/api/v1/trends')
+    .then(({ data }) => dispatch(fetchTrendsSuccess(data)))
+    .catch(err => dispatch(fetchTrendsFail(err)));
+};
+
+export const fetchTrendsRequest = () => ({
+  type: TRENDS_FETCH_REQUEST,
+  skipLoading: true,
+});
+
+export const fetchTrendsSuccess = trends => ({
+  type: TRENDS_FETCH_SUCCESS,
+  trends,
+  skipLoading: true,
+});
+
+export const fetchTrendsFail = error => ({
+  type: TRENDS_FETCH_FAIL,
+  error,
+  skipLoading: true,
+  skipAlert: true,
+});
diff --git a/app/javascript/mastodon/components/column.js b/app/javascript/mastodon/components/column.js
index d45387463..55e3bfd5e 100644
--- a/app/javascript/mastodon/components/column.js
+++ b/app/javascript/mastodon/components/column.js
@@ -8,10 +8,11 @@ export default class Column extends React.PureComponent {
   static propTypes = {
     children: PropTypes.node,
     label: PropTypes.string,
+    bindToDocument: PropTypes.bool,
   };
 
   scrollTop () {
-    const scrollable = this.node.querySelector('.scrollable');
+    const scrollable = this.props.bindToDocument ? document.scrollingElement : this.node.querySelector('.scrollable');
 
     if (!scrollable) {
       return;
@@ -33,11 +34,19 @@ export default class Column extends React.PureComponent {
   }
 
   componentDidMount () {
-    this.node.addEventListener('wheel', this.handleWheel,  detectPassiveEvents.hasSupport ? { passive: true } : false);
+    if (this.props.bindToDocument) {
+      document.addEventListener('wheel', this.handleWheel,  detectPassiveEvents.hasSupport ? { passive: true } : false);
+    } else {
+      this.node.addEventListener('wheel', this.handleWheel,  detectPassiveEvents.hasSupport ? { passive: true } : false);
+    }
   }
 
   componentWillUnmount () {
-    this.node.removeEventListener('wheel', this.handleWheel);
+    if (this.props.bindToDocument) {
+      document.removeEventListener('wheel', this.handleWheel);
+    } else {
+      this.node.removeEventListener('wheel', this.handleWheel);
+    }
   }
 
   render () {
diff --git a/app/javascript/mastodon/components/column_back_button.js b/app/javascript/mastodon/components/column_back_button.js
index f41045787..cc0e5c07c 100644
--- a/app/javascript/mastodon/components/column_back_button.js
+++ b/app/javascript/mastodon/components/column_back_button.js
@@ -2,6 +2,7 @@ import React from 'react';
 import { FormattedMessage } from 'react-intl';
 import PropTypes from 'prop-types';
 import Icon from 'mastodon/components/icon';
+import { createPortal } from 'react-dom';
 
 export default class ColumnBackButton extends React.PureComponent {
 
@@ -9,6 +10,10 @@ export default class ColumnBackButton extends React.PureComponent {
     router: PropTypes.object,
   };
 
+  static propTypes = {
+    multiColumn: PropTypes.bool,
+  };
+
   handleClick = () => {
     if (window.history && window.history.length === 1) {
       this.context.router.history.push('/');
@@ -18,12 +23,20 @@ export default class ColumnBackButton extends React.PureComponent {
   }
 
   render () {
-    return (
+    const { multiColumn } = this.props;
+
+    const component = (
       <button onClick={this.handleClick} className='column-back-button'>
         <Icon id='chevron-left' className='column-back-button__icon' fixedWidth />
         <FormattedMessage id='column_back_button.label' defaultMessage='Back' />
       </button>
     );
+
+    if (multiColumn) {
+      return component;
+    } else {
+      return createPortal(component, document.getElementById('tabs-bar__portal'));
+    }
   }
 
 }
diff --git a/app/javascript/mastodon/components/column_header.js b/app/javascript/mastodon/components/column_header.js
index f33c689e7..89c5fe723 100644
--- a/app/javascript/mastodon/components/column_header.js
+++ b/app/javascript/mastodon/components/column_header.js
@@ -1,5 +1,6 @@
 import React from 'react';
 import PropTypes from 'prop-types';
+import { createPortal } from 'react-dom';
 import classNames from 'classnames';
 import { FormattedMessage, injectIntl, defineMessages } from 'react-intl';
 import Icon from 'mastodon/components/icon';
@@ -28,6 +29,7 @@ class ColumnHeader extends React.PureComponent {
     showBackButton: PropTypes.bool,
     children: PropTypes.node,
     pinned: PropTypes.bool,
+    placeholder: PropTypes.bool,
     onPin: PropTypes.func,
     onMove: PropTypes.func,
     onClick: PropTypes.func,
@@ -79,7 +81,7 @@ class ColumnHeader extends React.PureComponent {
   }
 
   render () {
-    const { title, icon, active, children, pinned, multiColumn, extraButton, showBackButton, intl: { formatMessage } } = this.props;
+    const { title, icon, active, children, pinned, multiColumn, extraButton, showBackButton, intl: { formatMessage }, placeholder } = this.props;
     const { collapsed, animating } = this.state;
 
     const wrapperClassName = classNames('column-header__wrapper', {
@@ -146,7 +148,7 @@ class ColumnHeader extends React.PureComponent {
 
     const hasTitle = icon && title;
 
-    return (
+    const component = (
       <div className={wrapperClassName}>
         <h1 className={buttonClassName}>
           {hasTitle && (
@@ -172,6 +174,12 @@ class ColumnHeader extends React.PureComponent {
         </div>
       </div>
     );
+
+    if (multiColumn || placeholder) {
+      return component;
+    } else {
+      return createPortal(component, document.getElementById('tabs-bar__portal'));
+    }
   }
 
 }
diff --git a/app/javascript/mastodon/components/dropdown_menu.js b/app/javascript/mastodon/components/dropdown_menu.js
index e122515c4..d423378c1 100644
--- a/app/javascript/mastodon/components/dropdown_menu.js
+++ b/app/javascript/mastodon/components/dropdown_menu.js
@@ -45,7 +45,9 @@ class DropdownMenu extends React.PureComponent {
     document.addEventListener('click', this.handleDocumentClick, false);
     document.addEventListener('keydown', this.handleKeyDown, false);
     document.addEventListener('touchend', this.handleDocumentClick, listenerOptions);
-    if (this.focusedItem && this.props.openedViaKeyboard) this.focusedItem.focus();
+    if (this.focusedItem && this.props.openedViaKeyboard) {
+      this.focusedItem.focus();
+    }
     this.setState({ mounted: true });
   }
 
@@ -81,6 +83,18 @@ class DropdownMenu extends React.PureComponent {
         element.focus();
       }
       break;
+    case 'Tab':
+      if (e.shiftKey) {
+        element = items[index-1] || items[items.length-1];
+      } else {
+        element = items[index+1] || items[0];
+      }
+      if (element) {
+        element.focus();
+        e.preventDefault();
+        e.stopPropagation();
+      }
+      break;
     case 'Home':
       element = items[0];
       if (element) {
@@ -93,11 +107,14 @@ class DropdownMenu extends React.PureComponent {
         element.focus();
       }
       break;
+    case 'Escape':
+      this.props.onClose();
+      break;
     }
   }
 
-  handleItemKeyDown = e => {
-    if (e.key === 'Enter') {
+  handleItemKeyPress = e => {
+    if (e.key === 'Enter' || e.key === ' ') {
       this.handleClick(e);
     }
   }
@@ -126,7 +143,7 @@ class DropdownMenu extends React.PureComponent {
 
     return (
       <li className='dropdown-menu__item' key={`${text}-${i}`}>
-        <a href={href} target={target} data-method={method} rel='noopener' role='button' tabIndex='0' ref={i === 0 ? this.setFocusRef : null} onClick={this.handleClick} onKeyDown={this.handleItemKeyDown} data-index={i}>
+        <a href={href} target={target} data-method={method} rel='noopener' role='button' tabIndex='0' ref={i === 0 ? this.setFocusRef : null} onClick={this.handleClick} onKeyPress={this.handleItemKeyPress} data-index={i}>
           {text}
         </a>
       </li>
@@ -193,25 +210,41 @@ export default class Dropdown extends React.PureComponent {
     } else {
       const { top } = target.getBoundingClientRect();
       const placement = top * 2 < innerHeight ? 'bottom' : 'top';
-
       this.props.onOpen(this.state.id, this.handleItemClick, placement, type !== 'click');
     }
   }
 
   handleClose = () => {
+    if (this.activeElement) {
+      this.activeElement.focus();
+      this.activeElement = null;
+    }
     this.props.onClose(this.state.id);
   }
 
-  handleKeyDown = e => {
+  handleMouseDown = () => {
+    if (!this.state.open) {
+      this.activeElement = document.activeElement;
+    }
+  }
+
+  handleButtonKeyDown = (e) => {
+    switch(e.key) {
+    case ' ':
+    case 'Enter':
+      this.handleMouseDown();
+      break;
+    }
+  }
+
+  handleKeyPress = (e) => {
     switch(e.key) {
     case ' ':
     case 'Enter':
       this.handleClick(e);
+      e.stopPropagation();
       e.preventDefault();
       break;
-    case 'Escape':
-      this.handleClose();
-      break;
     }
   }
 
@@ -249,7 +282,7 @@ export default class Dropdown extends React.PureComponent {
     const open = this.state.id === openDropdownId;
 
     return (
-      <div onKeyDown={this.handleKeyDown}>
+      <div>
         <IconButton
           icon={icon}
           title={title}
@@ -258,6 +291,9 @@ export default class Dropdown extends React.PureComponent {
           size={size}
           ref={this.setTargetRef}
           onClick={this.handleClick}
+          onMouseDown={this.handleMouseDown}
+          onKeyDown={this.handleButtonKeyDown}
+          onKeyPress={this.handleKeyPress}
         />
 
         <Overlay show={open} placement={dropdownPlacement} target={this.findTarget}>
diff --git a/app/javascript/mastodon/components/icon_button.js b/app/javascript/mastodon/components/icon_button.js
index 9d8a8d06b..401675052 100644
--- a/app/javascript/mastodon/components/icon_button.js
+++ b/app/javascript/mastodon/components/icon_button.js
@@ -12,6 +12,9 @@ export default class IconButton extends React.PureComponent {
     title: PropTypes.string.isRequired,
     icon: PropTypes.string.isRequired,
     onClick: PropTypes.func,
+    onMouseDown: PropTypes.func,
+    onKeyDown: PropTypes.func,
+    onKeyPress: PropTypes.func,
     size: PropTypes.number,
     active: PropTypes.bool,
     pressed: PropTypes.bool,
@@ -42,6 +45,24 @@ export default class IconButton extends React.PureComponent {
     }
   }
 
+  handleKeyPress = (e) => {
+    if (this.props.onKeyPress && !this.props.disabled) {
+      this.props.onKeyPress(e);
+    }
+  }
+
+  handleMouseDown = (e) => {
+    if (!this.props.disabled && this.props.onMouseDown) {
+      this.props.onMouseDown(e);
+    }
+  }
+
+  handleKeyDown = (e) => {
+    if (!this.props.disabled && this.props.onKeyDown) {
+      this.props.onKeyDown(e);
+    }
+  }
+
   render () {
     const style = {
       fontSize: `${this.props.size}px`,
@@ -84,6 +105,9 @@ export default class IconButton extends React.PureComponent {
           title={title}
           className={classes}
           onClick={this.handleClick}
+          onMouseDown={this.handleMouseDown}
+          onKeyDown={this.handleKeyDown}
+          onKeyPress={this.handleKeyPress}
           style={style}
           tabIndex={tabIndex}
           disabled={disabled}
@@ -103,6 +127,9 @@ export default class IconButton extends React.PureComponent {
             title={title}
             className={classes}
             onClick={this.handleClick}
+            onMouseDown={this.handleMouseDown}
+            onKeyDown={this.handleKeyDown}
+            onKeyPress={this.handleKeyPress}
             style={style}
             tabIndex={tabIndex}
             disabled={disabled}
diff --git a/app/javascript/mastodon/components/modal_root.js b/app/javascript/mastodon/components/modal_root.js
index ef1156571..5d4f4bbe1 100644
--- a/app/javascript/mastodon/components/modal_root.js
+++ b/app/javascript/mastodon/components/modal_root.js
@@ -21,8 +21,30 @@ export default class ModalRoot extends React.PureComponent {
     }
   }
 
+  handleKeyDown = (e) => {
+    if (e.key === 'Tab') {
+      const focusable = Array.from(this.node.querySelectorAll('button:not([disabled]), [href], input:not([disabled]), select:not([disabled]), textarea:not([disabled]), [tabindex]:not([tabindex="-1"])')).filter((x) => window.getComputedStyle(x).display !== 'none');
+      const index = focusable.indexOf(e.target);
+
+      let element;
+
+      if (e.shiftKey) {
+        element = focusable[index - 1] || focusable[focusable.length - 1];
+      } else {
+        element = focusable[index + 1] || focusable[0];
+      }
+
+      if (element) {
+        element.focus();
+        e.stopPropagation();
+        e.preventDefault();
+      }
+    }
+  }
+
   componentDidMount () {
     window.addEventListener('keyup', this.handleKeyUp, false);
+    window.addEventListener('keydown', this.handleKeyDown, false);
   }
 
   componentWillReceiveProps (nextProps) {
@@ -52,6 +74,7 @@ export default class ModalRoot extends React.PureComponent {
 
   componentWillUnmount () {
     window.removeEventListener('keyup', this.handleKeyUp);
+    window.removeEventListener('keydown', this.handleKeyDown);
   }
 
   getSiblings = () => {
diff --git a/app/javascript/mastodon/components/status_content.js b/app/javascript/mastodon/components/status_content.js
index e717934fa..76117f1d9 100644
--- a/app/javascript/mastodon/components/status_content.js
+++ b/app/javascript/mastodon/components/status_content.js
@@ -8,71 +8,9 @@ import classnames from 'classnames';
 import PollContainer from 'mastodon/containers/poll_container';
 import Icon from 'mastodon/components/icon';
 import { autoPlayGif } from 'mastodon/initial_state';
-import { decode as decodeIDNA } from 'mastodon/utils/idna';
 
 const MAX_HEIGHT = 642; // 20px * 32 (+ 2px padding at the top)
 
-// Regex matching what "looks like a link", that is, something that starts with
-// an optional "http://" or "https://" scheme and then what could look like a
-// domain main, that is, at least two sequences of characters not including spaces
-// and separated by "." or an homoglyph. The idea is not to match valid URLs or
-// domain names, but what could be confused for a valid URL or domain name,
-// especially to the untrained eye.
-
-const h_confusables = 'h\u13c2\u1d58d\u1d4f1\u1d691\u0068\uff48\u1d525\u210e\u1d489\u1d629\u0570\u1d4bd\u1d65d\u1d421\u1d5c1\u1d5f5\u04bb\u1d559';
-const t_confusables = 't\u1d42d\u1d5cd\u1d531\u1d565\u1d4c9\u1d669\u1d4fd\u1d69d\u0074\u1d461\u1d601\u1d495\u1d635\u1d599';
-const p_confusables = 'p\u0440\u03c1\u1d52d\u1d631\u1d665\u1d429\uff50\u1d6e0\u1d45d\u1d561\u1d595\u1d71a\u1d699\u1d78e\u2ca3\u1d754\u1d6d2\u1d491\u1d7c8\u1d746\u1d4c5\u1d70c\u1d5c9\u0070\u1d780\u03f1\u1d5fd\u2374\u1d7ba\u1d4f9';
-const s_confusables = 's\u1d530\u118c1\u1d494\u1d634\u1d4c8\u1d668\uabaa\u1d42c\u1d5cc\u1d460\u1d600\ua731\u0073\uff53\u1d564\u0455\u1d598\u1d4fc\u1d69c\u10448\u01bd';
-const column_confusables = ':\u0903\u0a83\u0703\u1803\u05c3\u0704\u0589\u1809\ua789\u16ec\ufe30\u02d0\u2236\u02f8\u003a\uff1a\u205a\ua4fd';
-const slash_confusables = '/\u2041\u2f03\u2044\u2cc6\u27cb\u30ce\u002f\u2571\u31d3\u3033\u1735\u2215\u29f8\u1d23a\u4e3f';
-const dot_confusables = '.\u002e\u0660\u06f0\u0701\u0702\u2024\ua4f8\ua60e\u10a50\u1d16d';
-
-const linkRegex = new RegExp(`^\\s*(([${h_confusables}][${t_confusables}][${t_confusables}][${p_confusables}][${s_confusables}]?[${column_confusables}][${slash_confusables}][${slash_confusables}]))?[^:/\\n ]+([${dot_confusables}][^:/\\n ]+)+`);
-
-const isLinkMisleading = (link) => {
-  let linkTextParts = [];
-
-  // Reconstruct visible text, as we do not have much control over how links
-  // from remote software look, and we can't rely on `innerText` because the
-  // `invisible` class does not set `display` to `none`.
-
-  const walk = (node) => {
-    switch (node.nodeType) {
-    case Node.TEXT_NODE:
-      linkTextParts.push(node.textContent);
-      break;
-    case Node.ELEMENT_NODE:
-      if (node.classList.contains('invisible')) return;
-      const children = node.childNodes;
-      for (let i = 0; i < children.length; i++) {
-        walk(children[i]);
-      }
-      break;
-    }
-  };
-
-  walk(link);
-
-  const linkText = linkTextParts.join('');
-  const targetURL = new URL(link.href);
-
-  // The following may not work with international domain names
-  if (linkText === targetURL.origin || linkText === targetURL.host || 'www.' + linkText === targetURL.host || linkText.startsWith(targetURL.origin + '/') || linkText.startsWith(targetURL.host + '/')) {
-    return false;
-  }
-
-  // The link hasn't been recognized, maybe it features an international domain name
-  const hostname = decodeIDNA(targetURL.hostname);
-  const host = targetURL.host.replace(targetURL.hostname, hostname);
-  const origin = targetURL.origin.replace(targetURL.host, host);
-  if (linkText === origin || linkText === host || linkText.startsWith(origin + '/') || linkText.startsWith(host + '/')) {
-    return false;
-  }
-
-  // If the link text looks like an URL or auto-generated link, it is misleading
-  return linkRegex.test(linkText);
-};
-
 export default class StatusContent extends React.PureComponent {
 
   static contextTypes = {
@@ -118,34 +56,6 @@ export default class StatusContent extends React.PureComponent {
       } else {
         link.setAttribute('title', link.href);
         link.classList.add('unhandled-link');
-
-        if (isLinkMisleading(link)) {
-          while (link.firstChild) {
-            link.removeChild(link.firstChild);
-          }
-
-          const prefix = (link.href.match(/https?:\/\/(www\.)?/) || [''])[0];
-          const text   = link.href.substr(prefix.length, 30);
-          const suffix = link.href.substr(prefix.length + 30);
-          const cutoff = !!suffix;
-
-          const prefixTag = document.createElement('span');
-          prefixTag.classList.add('invisible');
-          prefixTag.textContent = prefix;
-          link.appendChild(prefixTag);
-
-          const textTag = document.createElement('span');
-          if (cutoff) {
-            textTag.classList.add('ellipsis');
-          }
-          textTag.textContent = text;
-          link.appendChild(textTag);
-
-          const suffixTag = document.createElement('span');
-          suffixTag.classList.add('invisible');
-          suffixTag.textContent = suffix;
-          link.appendChild(suffixTag);
-        }
       }
 
       link.setAttribute('target', '_blank');
@@ -202,7 +112,7 @@ export default class StatusContent extends React.PureComponent {
   }
 
   onHashtagClick = (hashtag, e) => {
-    hashtag = hashtag.replace(/^#/, '').toLowerCase();
+    hashtag = hashtag.replace(/^#/, '');
 
     if (this.context.router && e.button === 0 && !(e.ctrlKey || e.metaKey)) {
       e.preventDefault();
diff --git a/app/javascript/mastodon/containers/dropdown_menu_container.js b/app/javascript/mastodon/containers/dropdown_menu_container.js
index 73c8a1e53..f79b19202 100644
--- a/app/javascript/mastodon/containers/dropdown_menu_container.js
+++ b/app/javascript/mastodon/containers/dropdown_menu_container.js
@@ -20,7 +20,7 @@ const mapDispatchToProps = (dispatch, { status, items }) => ({
     }) : openDropdownMenu(id, dropdownPlacement, keyboard));
   },
   onClose(id) {
-    dispatch(closeModal());
+    dispatch(closeModal('ACTIONS'));
     dispatch(closeDropdownMenu(id));
   },
 });
diff --git a/app/javascript/mastodon/features/account_gallery/index.js b/app/javascript/mastodon/features/account_gallery/index.js
index 5d6a53e18..f1a665d8f 100644
--- a/app/javascript/mastodon/features/account_gallery/index.js
+++ b/app/javascript/mastodon/features/account_gallery/index.js
@@ -56,6 +56,7 @@ class AccountGallery extends ImmutablePureComponent {
     isLoading: PropTypes.bool,
     hasMore: PropTypes.bool,
     isAccount: PropTypes.bool,
+    multiColumn: PropTypes.bool,
   };
 
   state = {
@@ -116,7 +117,7 @@ class AccountGallery extends ImmutablePureComponent {
   }
 
   render () {
-    const { attachments, shouldUpdateScroll, isLoading, hasMore, isAccount } = this.props;
+    const { attachments, shouldUpdateScroll, isLoading, hasMore, isAccount, multiColumn } = this.props;
     const { width } = this.state;
 
     if (!isAccount) {
@@ -143,7 +144,7 @@ class AccountGallery extends ImmutablePureComponent {
 
     return (
       <Column>
-        <ColumnBackButton />
+        <ColumnBackButton multiColumn={multiColumn} />
 
         <ScrollContainer scrollKey='account_gallery' shouldUpdateScroll={shouldUpdateScroll}>
           <div className='scrollable scrollable--flex' onScroll={this.handleScroll}>
diff --git a/app/javascript/mastodon/features/account_timeline/index.js b/app/javascript/mastodon/features/account_timeline/index.js
index 9914b7e65..69bab1e86 100644
--- a/app/javascript/mastodon/features/account_timeline/index.js
+++ b/app/javascript/mastodon/features/account_timeline/index.js
@@ -100,7 +100,7 @@ class AccountTimeline extends ImmutablePureComponent {
 
     return (
       <Column>
-        <ColumnBackButton />
+        <ColumnBackButton multiColumn={multiColumn} />
 
         <StatusList
           prepend={<HeaderContainer accountId={this.props.params.accountId} />}
diff --git a/app/javascript/mastodon/features/blocks/index.js b/app/javascript/mastodon/features/blocks/index.js
index 8fb0f051b..051431ed2 100644
--- a/app/javascript/mastodon/features/blocks/index.js
+++ b/app/javascript/mastodon/features/blocks/index.js
@@ -57,7 +57,7 @@ class Blocks extends ImmutablePureComponent {
     const emptyMessage = <FormattedMessage id='empty_column.blocks' defaultMessage="You haven't blocked any users yet." />;
 
     return (
-      <Column icon='ban' heading={intl.formatMessage(messages.heading)}>
+      <Column bindToDocument={!multiColumn} icon='ban' heading={intl.formatMessage(messages.heading)}>
         <ColumnBackButtonSlim />
         <ScrollableList
           scrollKey='blocks'
diff --git a/app/javascript/mastodon/features/community_timeline/index.js b/app/javascript/mastodon/features/community_timeline/index.js
index 2f6999f61..f95fa4970 100644
--- a/app/javascript/mastodon/features/community_timeline/index.js
+++ b/app/javascript/mastodon/features/community_timeline/index.js
@@ -105,7 +105,7 @@ class CommunityTimeline extends React.PureComponent {
     const pinned = !!columnId;
 
     return (
-      <Column ref={this.setRef} label={intl.formatMessage(messages.title)}>
+      <Column bindToDocument={!multiColumn} ref={this.setRef} label={intl.formatMessage(messages.title)}>
         <ColumnHeader
           icon='users'
           active={hasUnread}
diff --git a/app/javascript/mastodon/features/compose/components/privacy_dropdown.js b/app/javascript/mastodon/features/compose/components/privacy_dropdown.js
index d02a55be0..7cbfe463a 100644
--- a/app/javascript/mastodon/features/compose/components/privacy_dropdown.js
+++ b/app/javascript/mastodon/features/compose/components/privacy_dropdown.js
@@ -73,6 +73,19 @@ class PrivacyDropdownMenu extends React.PureComponent {
         this.props.onChange(element.getAttribute('data-index'));
       }
       break;
+    case 'Tab':
+      if (e.shiftKey) {
+        element = this.node.childNodes[index - 1] || this.node.lastChild;
+      } else {
+        element = this.node.childNodes[index + 1] || this.node.firstChild;
+      }
+      if (element) {
+        element.focus();
+        this.props.onChange(element.getAttribute('data-index'));
+        e.preventDefault();
+        e.stopPropagation();
+      }
+      break;
     case 'Home':
       element = this.node.firstChild;
       if (element) {
@@ -180,6 +193,9 @@ class PrivacyDropdown extends React.PureComponent {
       }
     } else {
       const { top } = target.getBoundingClientRect();
+      if (this.state.open && this.activeElement) {
+        this.activeElement.focus();
+      }
       this.setState({ placement: top * 2 < innerHeight ? 'bottom' : 'top' });
       this.setState({ open: !this.state.open });
     }
@@ -202,7 +218,25 @@ class PrivacyDropdown extends React.PureComponent {
     }
   }
 
+  handleMouseDown = () => {
+    if (!this.state.open) {
+      this.activeElement = document.activeElement;
+    }
+  }
+
+  handleButtonKeyDown = (e) => {
+    switch(e.key) {
+    case ' ':
+    case 'Enter':
+      this.handleMouseDown();
+      break;
+    }
+  }
+
   handleClose = () => {
+    if (this.state.open && this.activeElement) {
+      this.activeElement.focus();
+    }
     this.setState({ open: false });
   }
 
@@ -229,7 +263,7 @@ class PrivacyDropdown extends React.PureComponent {
 
     return (
       <div className={classNames('privacy-dropdown', placement, { active: open })} onKeyDown={this.handleKeyDown}>
-        <div className={classNames('privacy-dropdown__value', { active: this.options.indexOf(valueOption) === 0 })}>
+        <div className={classNames('privacy-dropdown__value', { active: this.options.indexOf(valueOption) === (placement === 'bottom' ? 0 : (this.options.length - 1)) })}>
           <IconButton
             className='privacy-dropdown__value-icon'
             icon={valueOption.icon}
@@ -239,6 +273,8 @@ class PrivacyDropdown extends React.PureComponent {
             active={open}
             inverted
             onClick={this.handleToggle}
+            onMouseDown={this.handleMouseDown}
+            onKeyDown={this.handleButtonKeyDown}
             style={{ height: null, lineHeight: '27px' }}
           />
         </div>
diff --git a/app/javascript/mastodon/features/compose/components/text_icon_button.js b/app/javascript/mastodon/features/compose/components/text_icon_button.js
index 9c8ffab1f..f0b133538 100644
--- a/app/javascript/mastodon/features/compose/components/text_icon_button.js
+++ b/app/javascript/mastodon/features/compose/components/text_icon_button.js
@@ -1,6 +1,12 @@
 import React from 'react';
 import PropTypes from 'prop-types';
 
+const iconStyle = {
+  height: null,
+  lineHeight: '27px',
+  width: `${18 * 1.28571429}px`,
+};
+
 export default class TextIconButton extends React.PureComponent {
 
   static propTypes = {
@@ -20,7 +26,14 @@ export default class TextIconButton extends React.PureComponent {
     const { label, title, active, ariaControls } = this.props;
 
     return (
-      <button title={title} aria-label={title} className={`text-icon-button ${active ? 'active' : ''}`} aria-expanded={active} onClick={this.handleClick} aria-controls={ariaControls}>
+      <button
+        title={title}
+        aria-label={title}
+        className={`text-icon-button ${active ? 'active' : ''}`}
+        aria-expanded={active}
+        onClick={this.handleClick}
+        aria-controls={ariaControls} style={iconStyle}
+      >
         {label}
       </button>
     );
diff --git a/app/javascript/mastodon/features/direct_timeline/index.js b/app/javascript/mastodon/features/direct_timeline/index.js
index d202f3bfd..5ce795760 100644
--- a/app/javascript/mastodon/features/direct_timeline/index.js
+++ b/app/javascript/mastodon/features/direct_timeline/index.js
@@ -75,7 +75,7 @@ class DirectTimeline extends React.PureComponent {
     const pinned = !!columnId;
 
     return (
-      <Column ref={this.setRef} label={intl.formatMessage(messages.title)}>
+      <Column bindToDocument={!multiColumn} ref={this.setRef} label={intl.formatMessage(messages.title)}>
         <ColumnHeader
           icon='envelope'
           active={hasUnread}
diff --git a/app/javascript/mastodon/features/domain_blocks/index.js b/app/javascript/mastodon/features/domain_blocks/index.js
index 16e200b31..482245c86 100644
--- a/app/javascript/mastodon/features/domain_blocks/index.js
+++ b/app/javascript/mastodon/features/domain_blocks/index.js
@@ -58,7 +58,7 @@ class Blocks extends ImmutablePureComponent {
     const emptyMessage = <FormattedMessage id='empty_column.domain_blocks' defaultMessage='There are no hidden domains yet.' />;
 
     return (
-      <Column icon='minus-circle' heading={intl.formatMessage(messages.heading)}>
+      <Column bindToDocument={!multiColumn} icon='minus-circle' heading={intl.formatMessage(messages.heading)}>
         <ColumnBackButtonSlim />
         <ScrollableList
           scrollKey='domain_blocks'
diff --git a/app/javascript/mastodon/features/favourited_statuses/index.js b/app/javascript/mastodon/features/favourited_statuses/index.js
index 8c7b23869..db8a3f815 100644
--- a/app/javascript/mastodon/features/favourited_statuses/index.js
+++ b/app/javascript/mastodon/features/favourited_statuses/index.js
@@ -74,7 +74,7 @@ class Favourites extends ImmutablePureComponent {
     const emptyMessage = <FormattedMessage id='empty_column.favourited_statuses' defaultMessage="You don't have any favourite toots yet. When you favourite one, it will show up here." />;
 
     return (
-      <Column ref={this.setRef} label={intl.formatMessage(messages.heading)}>
+      <Column bindToDocument={!multiColumn} ref={this.setRef} label={intl.formatMessage(messages.heading)}>
         <ColumnHeader
           icon='star'
           title={intl.formatMessage(messages.heading)}
diff --git a/app/javascript/mastodon/features/favourites/index.js b/app/javascript/mastodon/features/favourites/index.js
index 464f7aeb0..62d3c2f06 100644
--- a/app/javascript/mastodon/features/favourites/index.js
+++ b/app/javascript/mastodon/features/favourites/index.js
@@ -51,7 +51,7 @@ class Favourites extends ImmutablePureComponent {
 
     return (
       <Column>
-        <ColumnBackButton />
+        <ColumnBackButton multiColumn={multiColumn} />
 
         <ScrollableList
           scrollKey='favourites'
diff --git a/app/javascript/mastodon/features/follow_requests/index.js b/app/javascript/mastodon/features/follow_requests/index.js
index 570cf57c8..57ef44145 100644
--- a/app/javascript/mastodon/features/follow_requests/index.js
+++ b/app/javascript/mastodon/features/follow_requests/index.js
@@ -57,7 +57,7 @@ class FollowRequests extends ImmutablePureComponent {
     const emptyMessage = <FormattedMessage id='empty_column.follow_requests' defaultMessage="You don't have any follow requests yet. When you receive one, it will show up here." />;
 
     return (
-      <Column icon='user-plus' heading={intl.formatMessage(messages.heading)}>
+      <Column bindToDocument={!multiColumn} icon='user-plus' heading={intl.formatMessage(messages.heading)}>
         <ColumnBackButtonSlim />
         <ScrollableList
           scrollKey='follow_requests'
diff --git a/app/javascript/mastodon/features/followers/index.js b/app/javascript/mastodon/features/followers/index.js
index dce05bdc6..3913bf8d0 100644
--- a/app/javascript/mastodon/features/followers/index.js
+++ b/app/javascript/mastodon/features/followers/index.js
@@ -78,7 +78,7 @@ class Followers extends ImmutablePureComponent {
 
     return (
       <Column>
-        <ColumnBackButton />
+        <ColumnBackButton multiColumn={multiColumn} />
 
         <ScrollableList
           scrollKey='followers'
diff --git a/app/javascript/mastodon/features/following/index.js b/app/javascript/mastodon/features/following/index.js
index d9f2ef079..8e126f4c3 100644
--- a/app/javascript/mastodon/features/following/index.js
+++ b/app/javascript/mastodon/features/following/index.js
@@ -78,7 +78,7 @@ class Following extends ImmutablePureComponent {
 
     return (
       <Column>
-        <ColumnBackButton />
+        <ColumnBackButton multiColumn={multiColumn} />
 
         <ScrollableList
           scrollKey='following'
diff --git a/app/javascript/mastodon/features/getting_started/components/trends.js b/app/javascript/mastodon/features/getting_started/components/trends.js
new file mode 100644
index 000000000..1dcacc8b3
--- /dev/null
+++ b/app/javascript/mastodon/features/getting_started/components/trends.js
@@ -0,0 +1,43 @@
+import React from 'react';
+import ImmutablePureComponent from 'react-immutable-pure-component';
+import PropTypes from 'prop-types';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import Hashtag from 'mastodon/components/hashtag';
+
+export default class Trends extends ImmutablePureComponent {
+
+  static defaultProps = {
+    loading: false,
+  };
+
+  static propTypes = {
+    trends: ImmutablePropTypes.list,
+    fetchTrends: PropTypes.func.isRequired,
+  };
+
+  componentDidMount () {
+    this.props.fetchTrends();
+    this.refreshInterval = setInterval(() => this.props.fetchTrends(), 36000);
+  }
+
+  componentWillUnmount () {
+    if (this.refreshInterval) {
+      clearInterval(this.refreshInterval);
+    }
+  }
+
+  render () {
+    const { trends } = this.props;
+
+    if (!trends || trends.isEmpty()) {
+      return null;
+    }
+
+    return (
+      <div className='getting-started__trends'>
+        {trends.take(3).map(hashtag => <Hashtag key={hashtag.get('name')} hashtag={hashtag} />)}
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/mastodon/features/getting_started/containers/trends_container.js b/app/javascript/mastodon/features/getting_started/containers/trends_container.js
new file mode 100644
index 000000000..1df3fb4fe
--- /dev/null
+++ b/app/javascript/mastodon/features/getting_started/containers/trends_container.js
@@ -0,0 +1,13 @@
+import { connect } from 'react-redux';
+import { fetchTrends } from '../../../actions/trends';
+import Trends from '../components/trends';
+
+const mapStateToProps = state => ({
+  trends: state.getIn(['trends', 'items']),
+});
+
+const mapDispatchToProps = dispatch => ({
+  fetchTrends: () => dispatch(fetchTrends()),
+});
+
+export default connect(mapStateToProps, mapDispatchToProps)(Trends);
diff --git a/app/javascript/mastodon/features/getting_started/index.js b/app/javascript/mastodon/features/getting_started/index.js
index fc7840ec1..6a122a750 100644
--- a/app/javascript/mastodon/features/getting_started/index.js
+++ b/app/javascript/mastodon/features/getting_started/index.js
@@ -7,12 +7,13 @@ import { connect } from 'react-redux';
 import PropTypes from 'prop-types';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 import ImmutablePureComponent from 'react-immutable-pure-component';
-import { me, profile_directory } from '../../initial_state';
+import { me, profile_directory, showTrends } from '../../initial_state';
 import { fetchFollowRequests } from 'mastodon/actions/accounts';
 import { List as ImmutableList } from 'immutable';
 import NavigationBar from '../compose/components/navigation_bar';
 import Icon from 'mastodon/components/icon';
 import LinkFooter from 'mastodon/features/ui/components/link_footer';
+import TrendsContainer from './containers/trends_container';
 
 const messages = defineMessages({
   home_timeline: { id: 'tabs_bar.home', defaultMessage: 'Home' },
@@ -148,7 +149,7 @@ class GettingStarted extends ImmutablePureComponent {
     }
 
     return (
-      <Column label={intl.formatMessage(messages.menu)}>
+      <Column bindToDocument={!multiColumn} label={intl.formatMessage(messages.menu)}>
         {multiColumn && <div className='column-header__wrapper'>
           <h1 className='column-header'>
             <button>
@@ -168,6 +169,8 @@ class GettingStarted extends ImmutablePureComponent {
 
           <LinkFooter withHotkeys={multiColumn} />
         </div>
+
+        {multiColumn && showTrends && <TrendsContainer />}
       </Column>
     );
   }
diff --git a/app/javascript/mastodon/features/hashtag_timeline/index.js b/app/javascript/mastodon/features/hashtag_timeline/index.js
index c50f6a79a..28200e6c2 100644
--- a/app/javascript/mastodon/features/hashtag_timeline/index.js
+++ b/app/javascript/mastodon/features/hashtag_timeline/index.js
@@ -135,7 +135,7 @@ class HashtagTimeline extends React.PureComponent {
     const pinned = !!columnId;
 
     return (
-      <Column ref={this.setRef} label={`#${id}`}>
+      <Column bindToDocument={!multiColumn} ref={this.setRef} label={`#${id}`}>
         <ColumnHeader
           icon='hashtag'
           active={hasUnread}
diff --git a/app/javascript/mastodon/features/home_timeline/index.js b/app/javascript/mastodon/features/home_timeline/index.js
index bf8ff117b..1cafb88ed 100644
--- a/app/javascript/mastodon/features/home_timeline/index.js
+++ b/app/javascript/mastodon/features/home_timeline/index.js
@@ -98,7 +98,7 @@ class HomeTimeline extends React.PureComponent {
     const pinned = !!columnId;
 
     return (
-      <Column ref={this.setRef} label={intl.formatMessage(messages.title)}>
+      <Column bindToDocument={!multiColumn} ref={this.setRef} label={intl.formatMessage(messages.title)}>
         <ColumnHeader
           icon='home'
           active={hasUnread}
diff --git a/app/javascript/mastodon/features/keyboard_shortcuts/index.js b/app/javascript/mastodon/features/keyboard_shortcuts/index.js
index 01b45652c..90dc87cbb 100644
--- a/app/javascript/mastodon/features/keyboard_shortcuts/index.js
+++ b/app/javascript/mastodon/features/keyboard_shortcuts/index.js
@@ -18,10 +18,10 @@ class KeyboardShortcuts extends ImmutablePureComponent {
   };
 
   render () {
-    const { intl } = this.props;
+    const { intl, multiColumn } = this.props;
 
     return (
-      <Column icon='question' heading={intl.formatMessage(messages.heading)}>
+      <Column bindToDocument={!multiColumn} icon='question' heading={intl.formatMessage(messages.heading)}>
         <ColumnBackButtonSlim />
         <div className='keyboard-shortcuts scrollable optionally-scrollable'>
           <table>
diff --git a/app/javascript/mastodon/features/list_editor/components/edit_list_form.js b/app/javascript/mastodon/features/list_editor/components/edit_list_form.js
index 3dc59c12e..3ccab12a8 100644
--- a/app/javascript/mastodon/features/list_editor/components/edit_list_form.js
+++ b/app/javascript/mastodon/features/list_editor/components/edit_list_form.js
@@ -11,7 +11,7 @@ const messages = defineMessages({
 
 const mapStateToProps = state => ({
   value: state.getIn(['listEditor', 'title']),
-  disabled: !state.getIn(['listEditor', 'isChanged']),
+  disabled: !state.getIn(['listEditor', 'isChanged']) || !state.getIn(['listEditor', 'title']),
 });
 
 const mapDispatchToProps = dispatch => ({
diff --git a/app/javascript/mastodon/features/list_timeline/index.js b/app/javascript/mastodon/features/list_timeline/index.js
index 844c93db1..f3205b2bf 100644
--- a/app/javascript/mastodon/features/list_timeline/index.js
+++ b/app/javascript/mastodon/features/list_timeline/index.js
@@ -148,14 +148,14 @@ class ListTimeline extends React.PureComponent {
     } else if (list === false) {
       return (
         <Column>
-          <ColumnBackButton />
+          <ColumnBackButton multiColumn={multiColumn} />
           <MissingIndicator />
         </Column>
       );
     }
 
     return (
-      <Column ref={this.setRef} label={title}>
+      <Column bindToDocument={!multiColumn} ref={this.setRef} label={title}>
         <ColumnHeader
           icon='list-ul'
           active={hasUnread}
diff --git a/app/javascript/mastodon/features/lists/components/new_list_form.js b/app/javascript/mastodon/features/lists/components/new_list_form.js
index 739246640..7faf50be8 100644
--- a/app/javascript/mastodon/features/lists/components/new_list_form.js
+++ b/app/javascript/mastodon/features/lists/components/new_list_form.js
@@ -66,7 +66,7 @@ class NewListForm extends React.PureComponent {
         </label>
 
         <IconButton
-          disabled={disabled}
+          disabled={disabled || !value}
           icon='plus'
           title={title}
           onClick={this.handleClick}
diff --git a/app/javascript/mastodon/features/lists/index.js b/app/javascript/mastodon/features/lists/index.js
index a06e0b934..7f7f5009c 100644
--- a/app/javascript/mastodon/features/lists/index.js
+++ b/app/javascript/mastodon/features/lists/index.js
@@ -61,7 +61,7 @@ class Lists extends ImmutablePureComponent {
     const emptyMessage = <FormattedMessage id='empty_column.lists' defaultMessage="You don't have any lists yet. When you create one, it will show up here." />;
 
     return (
-      <Column icon='list-ul' heading={intl.formatMessage(messages.heading)}>
+      <Column bindToDocument={!multiColumn} icon='list-ul' heading={intl.formatMessage(messages.heading)}>
         <ColumnBackButtonSlim />
 
         <NewListForm />
diff --git a/app/javascript/mastodon/features/mutes/index.js b/app/javascript/mastodon/features/mutes/index.js
index 57d8b9915..91dd268c1 100644
--- a/app/javascript/mastodon/features/mutes/index.js
+++ b/app/javascript/mastodon/features/mutes/index.js
@@ -57,7 +57,7 @@ class Mutes extends ImmutablePureComponent {
     const emptyMessage = <FormattedMessage id='empty_column.mutes' defaultMessage="You haven't muted any users yet." />;
 
     return (
-      <Column icon='volume-off' heading={intl.formatMessage(messages.heading)}>
+      <Column bindToDocument={!multiColumn} icon='volume-off' heading={intl.formatMessage(messages.heading)}>
         <ColumnBackButtonSlim />
         <ScrollableList
           scrollKey='mutes'
diff --git a/app/javascript/mastodon/features/notifications/index.js b/app/javascript/mastodon/features/notifications/index.js
index e708c4fcf..f2b239afe 100644
--- a/app/javascript/mastodon/features/notifications/index.js
+++ b/app/javascript/mastodon/features/notifications/index.js
@@ -198,7 +198,7 @@ class Notifications extends React.PureComponent {
     );
 
     return (
-      <Column ref={this.setColumnRef} label={intl.formatMessage(messages.title)}>
+      <Column bindToDocument={!multiColumn} ref={this.setColumnRef} label={intl.formatMessage(messages.title)}>
         <ColumnHeader
           icon='bell'
           active={isUnread}
diff --git a/app/javascript/mastodon/features/pinned_statuses/index.js b/app/javascript/mastodon/features/pinned_statuses/index.js
index 64ebfc7ae..ad5c9cafc 100644
--- a/app/javascript/mastodon/features/pinned_statuses/index.js
+++ b/app/javascript/mastodon/features/pinned_statuses/index.js
@@ -47,7 +47,7 @@ class PinnedStatuses extends ImmutablePureComponent {
     const { intl, shouldUpdateScroll, statusIds, hasMore, multiColumn } = this.props;
 
     return (
-      <Column icon='thumb-tack' heading={intl.formatMessage(messages.heading)} ref={this.setRef}>
+      <Column bindToDocument={!multiColumn} icon='thumb-tack' heading={intl.formatMessage(messages.heading)} ref={this.setRef}>
         <ColumnBackButtonSlim />
         <StatusList
           statusIds={statusIds}
diff --git a/app/javascript/mastodon/features/public_timeline/index.js b/app/javascript/mastodon/features/public_timeline/index.js
index 1edb303b8..e7825e236 100644
--- a/app/javascript/mastodon/features/public_timeline/index.js
+++ b/app/javascript/mastodon/features/public_timeline/index.js
@@ -105,7 +105,7 @@ class PublicTimeline extends React.PureComponent {
     const pinned = !!columnId;
 
     return (
-      <Column ref={this.setRef} label={intl.formatMessage(messages.title)}>
+      <Column bindToDocument={!multiColumn} ref={this.setRef} label={intl.formatMessage(messages.title)}>
         <ColumnHeader
           icon='globe'
           active={hasUnread}
diff --git a/app/javascript/mastodon/features/reblogs/index.js b/app/javascript/mastodon/features/reblogs/index.js
index 26f93ad1b..229f626b3 100644
--- a/app/javascript/mastodon/features/reblogs/index.js
+++ b/app/javascript/mastodon/features/reblogs/index.js
@@ -51,7 +51,7 @@ class Reblogs extends ImmutablePureComponent {
 
     return (
       <Column>
-        <ColumnBackButton />
+        <ColumnBackButton multiColumn={multiColumn} />
 
         <ScrollableList
           scrollKey='reblogs'
diff --git a/app/javascript/mastodon/features/status/components/card.js b/app/javascript/mastodon/features/status/components/card.js
index 012542843..0eff54411 100644
--- a/app/javascript/mastodon/features/status/components/card.js
+++ b/app/javascript/mastodon/features/status/components/card.js
@@ -2,9 +2,18 @@ import React from 'react';
 import PropTypes from 'prop-types';
 import Immutable from 'immutable';
 import ImmutablePropTypes from 'react-immutable-proptypes';
+import punycode from 'punycode';
 import classnames from 'classnames';
 import Icon from 'mastodon/components/icon';
-import { decode as decodeIDNA } from 'mastodon/utils/idna';
+
+const IDNA_PREFIX = 'xn--';
+
+const decodeIDNA = domain => {
+  return domain
+    .split('.')
+    .map(part => part.indexOf(IDNA_PREFIX) === 0 ? punycode.decode(part.slice(IDNA_PREFIX.length)) : part)
+    .join('.');
+};
 
 const getHostname = url => {
   const parser = document.createElement('a');
diff --git a/app/javascript/mastodon/features/status/index.js b/app/javascript/mastodon/features/status/index.js
index 0422111ae..ad4f75820 100644
--- a/app/javascript/mastodon/features/status/index.js
+++ b/app/javascript/mastodon/features/status/index.js
@@ -146,6 +146,7 @@ class Status extends ImmutablePureComponent {
     descendantsIds: ImmutablePropTypes.list,
     intl: PropTypes.object.isRequired,
     askReplyConfirmation: PropTypes.bool,
+    multiColumn: PropTypes.bool,
     domain: PropTypes.string.isRequired,
   };
 
@@ -437,13 +438,13 @@ class Status extends ImmutablePureComponent {
 
   render () {
     let ancestors, descendants;
-    const { shouldUpdateScroll, status, ancestorsIds, descendantsIds, intl, domain } = this.props;
+    const { shouldUpdateScroll, status, ancestorsIds, descendantsIds, intl, domain, multiColumn } = this.props;
     const { fullscreen } = this.state;
 
     if (status === null) {
       return (
         <Column>
-          <ColumnBackButton />
+          <ColumnBackButton multiColumn={multiColumn} />
           <MissingIndicator />
         </Column>
       );
@@ -470,9 +471,10 @@ class Status extends ImmutablePureComponent {
     };
 
     return (
-      <Column label={intl.formatMessage(messages.detailedStatus)}>
+      <Column bindToDocument={!multiColumn} label={intl.formatMessage(messages.detailedStatus)}>
         <ColumnHeader
           showBackButton
+          multiColumn={multiColumn}
           extraButton={(
             <button className='column-header__button' title={intl.formatMessage(status.get('hidden') ? messages.revealAll : messages.hideAll)} aria-label={intl.formatMessage(status.get('hidden') ? messages.revealAll : messages.hideAll)} onClick={this.handleToggleAll} aria-pressed={status.get('hidden') ? 'false' : 'true'}><Icon id={status.get('hidden') ? 'eye-slash' : 'eye'} /></button>
           )}
diff --git a/app/javascript/mastodon/features/ui/components/column_loading.js b/app/javascript/mastodon/features/ui/components/column_loading.js
index 9503a7a1a..0cdfd05d8 100644
--- a/app/javascript/mastodon/features/ui/components/column_loading.js
+++ b/app/javascript/mastodon/features/ui/components/column_loading.js
@@ -21,7 +21,7 @@ export default class ColumnLoading extends ImmutablePureComponent {
     let { title, icon } = this.props;
     return (
       <Column>
-        <ColumnHeader icon={icon} title={title} multiColumn={false} focusable={false} />
+        <ColumnHeader icon={icon} title={title} multiColumn={false} focusable={false} placeholder />
         <div className='scrollable' />
       </Column>
     );
diff --git a/app/javascript/mastodon/features/ui/components/navigation_panel.js b/app/javascript/mastodon/features/ui/components/navigation_panel.js
index ef3ad2e09..64a40a9da 100644
--- a/app/javascript/mastodon/features/ui/components/navigation_panel.js
+++ b/app/javascript/mastodon/features/ui/components/navigation_panel.js
@@ -2,10 +2,11 @@ import React from 'react';
 import { NavLink, withRouter } from 'react-router-dom';
 import { FormattedMessage } from 'react-intl';
 import Icon from 'mastodon/components/icon';
-import { profile_directory } from 'mastodon/initial_state';
+import { profile_directory, showTrends } from 'mastodon/initial_state';
 import NotificationsCounterIcon from './notifications_counter_icon';
 import FollowRequestsNavLink from './follow_requests_nav_link';
 import ListPanel from './list_panel';
+import TrendsContainer from 'mastodon/features/getting_started/containers/trends_container';
 
 const NavigationPanel = () => (
   <div className='navigation-panel'>
@@ -25,6 +26,9 @@ const NavigationPanel = () => (
     <a className='column-link column-link--transparent' href='/settings/preferences'><Icon className='column-link__icon' id='cog' fixedWidth /><FormattedMessage id='navigation_bar.preferences' defaultMessage='Preferences' /></a>
     <a className='column-link column-link--transparent' href='/relationships'><Icon className='column-link__icon' id='users' fixedWidth /><FormattedMessage id='navigation_bar.follows_and_followers' defaultMessage='Follows and followers' /></a>
     {!!profile_directory && <a className='column-link column-link--transparent' href='/explore'><Icon className='column-link__icon' id='address-book-o' fixedWidth /><FormattedMessage id='navigation_bar.profile_directory' defaultMessage='Profile directory' /></a>}
+
+    {showTrends && <div className='flex-spacer' />}
+    {showTrends && <TrendsContainer />}
   </div>
 );
 
diff --git a/app/javascript/mastodon/features/ui/components/tabs_bar.js b/app/javascript/mastodon/features/ui/components/tabs_bar.js
index 29583d3d7..1911da8ba 100644
--- a/app/javascript/mastodon/features/ui/components/tabs_bar.js
+++ b/app/javascript/mastodon/features/ui/components/tabs_bar.js
@@ -73,9 +73,13 @@ class TabsBar extends React.PureComponent {
     const { intl: { formatMessage } } = this.props;
 
     return (
-      <nav className='tabs-bar' ref={this.setRef}>
-        {links.map(link => React.cloneElement(link, { key: link.props.to, onClick: this.handleClick, 'aria-label': formatMessage({ id: link.props['data-preview-title-id'] }) }))}
-      </nav>
+      <div className='tabs-bar__wrapper'>
+        <nav className='tabs-bar' ref={this.setRef}>
+          {links.map(link => React.cloneElement(link, { key: link.props.to, onClick: this.handleClick, 'aria-label': formatMessage({ id: link.props['data-preview-title-id'] }) }))}
+        </nav>
+
+        <div id='tabs-bar__portal' />
+      </div>
     );
   }
 
diff --git a/app/javascript/mastodon/initial_state.js b/app/javascript/mastodon/initial_state.js
index 3c3c80e99..8db5f59af 100644
--- a/app/javascript/mastodon/initial_state.js
+++ b/app/javascript/mastodon/initial_state.js
@@ -23,5 +23,6 @@ export const isStaff = getMeta('is_staff');
 export const forceSingleColumn = !getMeta('advanced_layout');
 export const useBlurhash = getMeta('use_blurhash');
 export const usePendingItems = getMeta('use_pending_items');
+export const showTrends = getMeta('trends');
 
 export default initialState;
diff --git a/app/javascript/mastodon/reducers/compose.js b/app/javascript/mastodon/reducers/compose.js
index e683a9c1a..7b0cdd5a5 100644
--- a/app/javascript/mastodon/reducers/compose.js
+++ b/app/javascript/mastodon/reducers/compose.js
@@ -153,9 +153,9 @@ const sortHashtagsByUse = (state, tags) => {
     if (usedA === usedB) {
       return 0;
     } else if (usedA && !usedB) {
-      return 1;
-    } else {
       return -1;
+    } else {
+      return 1;
     }
   });
 };
diff --git a/app/javascript/mastodon/reducers/index.js b/app/javascript/mastodon/reducers/index.js
index 981ad8e64..3b60878eb 100644
--- a/app/javascript/mastodon/reducers/index.js
+++ b/app/javascript/mastodon/reducers/index.js
@@ -31,6 +31,7 @@ import conversations from './conversations';
 import suggestions from './suggestions';
 import polls from './polls';
 import identity_proofs from './identity_proofs';
+import trends from './trends';
 
 const reducers = {
   dropdown_menu,
@@ -65,6 +66,7 @@ const reducers = {
   conversations,
   suggestions,
   polls,
+  trends,
 };
 
 export default combineReducers(reducers);
diff --git a/app/javascript/mastodon/reducers/modal.js b/app/javascript/mastodon/reducers/modal.js
index 599a2443e..a30da2db1 100644
--- a/app/javascript/mastodon/reducers/modal.js
+++ b/app/javascript/mastodon/reducers/modal.js
@@ -10,7 +10,7 @@ export default function modal(state = initialState, action) {
   case MODAL_OPEN:
     return { modalType: action.modalType, modalProps: action.modalProps };
   case MODAL_CLOSE:
-    return initialState;
+    return (action.modalType === undefined || action.modalType === state.modalType) ? initialState : state;
   default:
     return state;
   }
diff --git a/app/javascript/mastodon/reducers/settings.js b/app/javascript/mastodon/reducers/settings.js
index 033bfc999..793a99f8f 100644
--- a/app/javascript/mastodon/reducers/settings.js
+++ b/app/javascript/mastodon/reducers/settings.js
@@ -12,6 +12,10 @@ const initialState = ImmutableMap({
 
   skinTone: 1,
 
+  trends: ImmutableMap({
+    show: true,
+  }),
+
   home: ImmutableMap({
     shows: ImmutableMap({
       reblog: true,
diff --git a/app/javascript/mastodon/reducers/trends.js b/app/javascript/mastodon/reducers/trends.js
new file mode 100644
index 000000000..5cecc8fca
--- /dev/null
+++ b/app/javascript/mastodon/reducers/trends.js
@@ -0,0 +1,23 @@
+import { TRENDS_FETCH_REQUEST, TRENDS_FETCH_SUCCESS, TRENDS_FETCH_FAIL } from '../actions/trends';
+import { Map as ImmutableMap, List as ImmutableList, fromJS } from 'immutable';
+
+const initialState = ImmutableMap({
+  items: ImmutableList(),
+  isLoading: false,
+});
+
+export default function trendsReducer(state = initialState, action) {
+  switch(action.type) {
+  case TRENDS_FETCH_REQUEST:
+    return state.set('isLoading', true);
+  case TRENDS_FETCH_SUCCESS:
+    return state.withMutations(map => {
+      map.set('items', fromJS(action.trends));
+      map.set('isLoading', false);
+    });
+  case TRENDS_FETCH_FAIL:
+    return state.set('isLoading', false);
+  default:
+    return state;
+  }
+};
diff --git a/app/javascript/mastodon/utils/resize_image.js b/app/javascript/mastodon/utils/resize_image.js
index bbdbc865e..a8ec5f3fa 100644
--- a/app/javascript/mastodon/utils/resize_image.js
+++ b/app/javascript/mastodon/utils/resize_image.js
@@ -67,6 +67,14 @@ const processImage = (img, { width, height, orientation, type = 'image/png' }) =
 
   context.drawImage(img, 0, 0, width, height);
 
+  // The Tor Browser and maybe other browsers may prevent reading from canvas
+  // and return an all-white image instead. Assume reading failed if the resized
+  // image is perfectly white.
+  const imageData = context.getImageData(0, 0, width, height);
+  if (imageData.every(value => value === 255)) {
+    throw 'Failed to read from canvas';
+  }
+
   canvas.toBlob(resolve, type);
 });
 
diff --git a/app/javascript/styles/mastodon/basics.scss b/app/javascript/styles/mastodon/basics.scss
index 7df76bdff..7b983efab 100644
--- a/app/javascript/styles/mastodon/basics.scss
+++ b/app/javascript/styles/mastodon/basics.scss
@@ -39,7 +39,7 @@ body {
 
     &.layout-single-column {
       height: auto;
-      min-height: 100%;
+      min-height: 100vh;
       overflow-y: scroll;
     }
 
diff --git a/app/javascript/styles/mastodon/components.scss b/app/javascript/styles/mastodon/components.scss
index 1853cd2e5..2d04aeca7 100644
--- a/app/javascript/styles/mastodon/components.scss
+++ b/app/javascript/styles/mastodon/components.scss
@@ -129,19 +129,28 @@
   padding: 0;
   color: $action-button-color;
   border: 0;
+  border-radius: 4px;
   background: transparent;
   cursor: pointer;
-  transition: color 100ms ease-in;
+  transition: all 100ms ease-in;
+  transition-property: background-color, color;
 
   &:hover,
   &:active,
   &:focus {
     color: lighten($action-button-color, 7%);
-    transition: color 200ms ease-out;
+    background-color: rgba($action-button-color, 0.15);
+    transition: all 200ms ease-out;
+    transition-property: background-color, color;
+  }
+
+  &:focus {
+    background-color: rgba($action-button-color, 0.3);
   }
 
   &.disabled {
     color: darken($action-button-color, 13%);
+    background-color: transparent;
     cursor: default;
   }
 
@@ -166,10 +175,16 @@
     &:active,
     &:focus {
       color: darken($lighter-text-color, 7%);
+      background-color: rgba($lighter-text-color, 0.15);
+    }
+
+    &:focus {
+      background-color: rgba($lighter-text-color, 0.3);
     }
 
     &.disabled {
       color: lighten($lighter-text-color, 7%);
+      background-color: transparent;
     }
 
     &.active {
@@ -197,6 +212,7 @@
 .text-icon-button {
   color: $lighter-text-color;
   border: 0;
+  border-radius: 4px;
   background: transparent;
   cursor: pointer;
   font-weight: 600;
@@ -204,17 +220,25 @@
   padding: 0 3px;
   line-height: 27px;
   outline: 0;
-  transition: color 100ms ease-in;
+  transition: all 100ms ease-in;
+  transition-property: background-color, color;
 
   &:hover,
   &:active,
   &:focus {
     color: darken($lighter-text-color, 7%);
-    transition: color 200ms ease-out;
+    background-color: rgba($lighter-text-color, 0.15);
+    transition: all 200ms ease-out;
+    transition-property: background-color, color;
+  }
+
+  &:focus {
+    background-color: rgba($lighter-text-color, 0.3);
   }
 
   &.disabled {
     color: lighten($lighter-text-color, 20%);
+    background-color: transparent;
     cursor: default;
   }
 
@@ -604,7 +628,8 @@
       }
     }
 
-    .icon-button {
+    .icon-button,
+    .text-icon-button {
       box-sizing: content-box;
       padding: 0 3px;
     }
@@ -731,7 +756,7 @@
     white-space: pre-wrap;
 
     &:last-child {
-      margin-bottom: 2px;
+      margin-bottom: 0;
     }
   }
 
@@ -1852,6 +1877,26 @@ a.account__display-name {
   }
 }
 
+.tabs-bar__wrapper {
+  background: darken($ui-base-color, 8%);
+  position: sticky;
+  top: 0;
+  z-index: 2;
+  padding-top: 0;
+
+  @media screen and (min-width: $no-gap-breakpoint) {
+    padding-top: 10px;
+  }
+
+  .tabs-bar {
+    margin-bottom: 0;
+
+    @media screen and (min-width: $no-gap-breakpoint) {
+      margin-bottom: 10px;
+    }
+  }
+}
+
 .react-swipeable-view-container {
   &,
   .columns-area,
@@ -1949,9 +1994,6 @@ a.account__display-name {
   background: lighten($ui-base-color, 8%);
   flex: 0 0 auto;
   overflow-y: auto;
-  position: sticky;
-  top: 0;
-  z-index: 3;
 }
 
 .tabs-bar__link {
@@ -2014,6 +2056,14 @@ a.account__display-name {
     padding: 0;
   }
 
+  //.column {
+  //  margin-top: 0;
+
+  //  @media screen and (min-width: $no-gap-breakpoint) {
+  //    margin-top: 10px;
+  //  }
+  //}
+
   .autosuggest-textarea__textarea {
     font-size: 16px;
   }
@@ -2039,6 +2089,7 @@ a.account__display-name {
 
   @media screen and (min-width: $no-gap-breakpoint) {
     padding: 10px 0;
+    padding-top: 0;
   }
 
   @media screen and (min-width: 630px) {
@@ -2153,17 +2204,14 @@ a.account__display-name {
 
 @media screen and (min-width: $no-gap-breakpoint) {
   .tabs-bar {
-    margin: 10px auto;
-    margin-bottom: 0;
     width: 100%;
   }
 
   .react-swipeable-view-container .columns-area--mobile {
-    height: calc(100% - 20px) !important;
+    height: calc(100% - 10px) !important;
   }
 
   .getting-started__wrapper,
-  .getting-started__trends,
   .search {
     margin-bottom: 10px;
   }
@@ -2270,13 +2318,24 @@ a.account__display-name {
   margin-bottom: 10px;
   height: calc(100% - 20px);
   overflow-y: auto;
+  display: flex;
+  flex-direction: column;
+
+  & > a {
+    flex: 0 0 auto;
+  }
 
   hr {
+    flex: 0 0 auto;
     border: 0;
     background: transparent;
     border-top: 1px solid lighten($ui-base-color, 4%);
     margin: 10px 0;
   }
+
+  .flex-spacer {
+    background: transparent;
+  }
 }
 
 .drawer__pager {
@@ -2387,6 +2446,8 @@ a.account__display-name {
 }
 
 .column-back-button {
+  box-sizing: border-box;
+  width: 100%;
   background: lighten($ui-base-color, 4%);
   color: $highlight-text-color;
   cursor: pointer;
@@ -2666,8 +2727,10 @@ a.account__display-name {
   }
 
   &__trends {
-    background: $ui-base-color;
     flex: 0 1 auto;
+    opacity: 1;
+    animation: fade 150ms linear;
+    margin-top: 10px;
 
     @media screen and (max-height: 810px) {
       .trends__item:nth-child(3) {
@@ -2684,11 +2747,15 @@ a.account__display-name {
     @media screen and (max-height: 670px) {
       display: none;
     }
-  }
 
-  &__scrollable {
-    max-height: 100%;
-    overflow-y: auto;
+    .trends__item {
+      border-bottom: 0;
+      padding: 10px;
+
+      &__current {
+        color: $darker-text-color;
+      }
+    }
   }
 }
 
@@ -5917,7 +5984,8 @@ noscript {
       font-size: 24px;
       line-height: 36px;
       font-weight: 500;
-      text-align: center;
+      text-align: right;
+      padding-right: 15px;
       color: $secondary-text-color;
     }
 
@@ -5925,7 +5993,12 @@ noscript {
       flex: 0 0 auto;
       width: 50px;
 
-      path {
+      path:first-child {
+        fill: rgba($highlight-text-color, 0.25) !important;
+        fill-opacity: 1 !important;
+      }
+
+      path:last-child {
         stroke: lighten($highlight-text-color, 6%) !important;
       }
     }
diff --git a/app/javascript/styles/mastodon/widgets.scss b/app/javascript/styles/mastodon/widgets.scss
index acaf5b024..8c30bc57c 100644
--- a/app/javascript/styles/mastodon/widgets.scss
+++ b/app/javascript/styles/mastodon/widgets.scss
@@ -324,7 +324,8 @@
     &.active h4 {
       &,
       .fa,
-      small {
+      small,
+      .trends__item__current {
         color: $primary-text-color;
       }
     }
@@ -337,6 +338,10 @@
     &.active .avatar-stack .account__avatar {
       border-color: $ui-highlight-color;
     }
+
+    .trends__item__current {
+      padding-right: 0;
+    }
   }
 }
 
diff --git a/app/lib/feed_manager.rb b/app/lib/feed_manager.rb
index 59767cdfe..224d90660 100644
--- a/app/lib/feed_manager.rb
+++ b/app/lib/feed_manager.rb
@@ -37,7 +37,7 @@ class FeedManager
   end
 
   def unpush_from_home(account, status)
-    return false unless remove_from_feed(:home, account.id, status)
+    return false unless remove_from_feed(:home, account.id, status, account.user&.aggregates_reblogs?)
     redis.publish("timeline:#{account.id}", Oj.dump(event: :delete, payload: status.id.to_s))
     true
   end
@@ -56,7 +56,7 @@ class FeedManager
   end
 
   def unpush_from_list(list, status)
-    return false unless remove_from_feed(:list, list.id, status)
+    return false unless remove_from_feed(:list, list.id, status, list.account.user&.aggregates_reblogs?)
     redis.publish("timeline:list:#{list.id}", Oj.dump(event: :delete, payload: status.id.to_s))
     true
   end
@@ -120,7 +120,7 @@ class FeedManager
     oldest_home_score = redis.zrange(timeline_key, 0, 0, with_scores: true)&.first&.last&.to_i || 0
 
     from_account.statuses.select('id, reblog_of_id').where('id > ?', oldest_home_score).reorder(nil).find_each do |status|
-      remove_from_feed(:home, into_account.id, status)
+      remove_from_feed(:home, into_account.id, status, into_account.user&.aggregates_reblogs?)
     end
   end
 
@@ -316,10 +316,11 @@ class FeedManager
   # with reblogs, and returning true if a status was removed. As with
   # `add_to_feed`, this does not trigger push updates, so callers must
   # do so if appropriate.
-  def remove_from_feed(timeline_type, account_id, status)
+  def remove_from_feed(timeline_type, account_id, status, aggregate_reblogs = true)
     timeline_key = key(timeline_type, account_id)
+    reblog_key   = key(timeline_type, account_id, 'reblogs')
 
-    if status.reblog?
+    if status.reblog? && (aggregate_reblogs.nil? || aggregate_reblogs)
       # 1. If the reblogging status is not in the feed, stop.
       status_rank = redis.zrevrank(timeline_key, status.id)
       return false if status_rank.nil?
@@ -328,6 +329,7 @@ class FeedManager
       reblog_set_key = key(timeline_type, account_id, "reblogs:#{status.reblog_of_id}")
 
       redis.srem(reblog_set_key, status.id)
+      redis.zrem(reblog_key, status.reblog_of_id)
       # 3. Re-insert another reblog or original into the feed if one
       # remains in the set. We could pick a random element, but this
       # set should generally be small, and it seems ideal to show the
@@ -335,12 +337,14 @@ class FeedManager
       other_reblog = redis.smembers(reblog_set_key).map(&:to_i).min
 
       redis.zadd(timeline_key, other_reblog, other_reblog) if other_reblog
+      redis.zadd(reblog_key, other_reblog, status.reblog_of_id) if other_reblog
 
       # 4. Remove the reblogging status from the feed (as normal)
       # (outside conditional)
     else
       # If the original is getting deleted, no use for reblog references
       redis.del(key(timeline_type, account_id, "reblogs:#{status.id}"))
+      redis.zrem(reblog_key, status.id)
     end
 
     redis.zrem(timeline_key, status.id)
diff --git a/app/lib/formatter.rb b/app/lib/formatter.rb
index c9f78cd31..d85a333b3 100644
--- a/app/lib/formatter.rb
+++ b/app/lib/formatter.rb
@@ -380,7 +380,7 @@ class Formatter
   end
 
   def hashtag_html(tag)
-    "<a href=\"#{encode(tag_url(tag.downcase))}\" class=\"mention hashtag\" rel=\"tag\">#<span>#{encode(tag)}</span></a>"
+    "<a href=\"#{encode(tag_url(tag))}\" class=\"mention hashtag\" rel=\"tag\">#<span>#{encode(tag)}</span></a>"
   end
 
   def mention_html(account)
diff --git a/app/lib/user_settings_decorator.rb b/app/lib/user_settings_decorator.rb
index 51d8c0970..a52172707 100644
--- a/app/lib/user_settings_decorator.rb
+++ b/app/lib/user_settings_decorator.rb
@@ -40,6 +40,7 @@ class UserSettingsDecorator
     user.settings['default_content_type']= default_content_type_preference if change?('setting_default_content_type')
     user.settings['use_blurhash']        = use_blurhash_preference if change?('setting_use_blurhash')
     user.settings['use_pending_items']   = use_pending_items_preference if change?('setting_use_pending_items')
+    user.settings['trends']              = trends_preference if change?('setting_trends')
   end
 
   def merged_notification_emails
@@ -142,6 +143,10 @@ class UserSettingsDecorator
     boolean_cast_setting 'setting_use_pending_items'
   end
 
+  def trends_preference
+    boolean_cast_setting 'setting_trends'
+  end
+
   def boolean_cast_setting(key)
     ActiveModel::Type::Boolean.new.cast(settings[key])
   end
diff --git a/app/mailers/admin_mailer.rb b/app/mailers/admin_mailer.rb
index 9ab3e2bbd..8abce5f05 100644
--- a/app/mailers/admin_mailer.rb
+++ b/app/mailers/admin_mailer.rb
@@ -24,4 +24,14 @@ class AdminMailer < ApplicationMailer
       mail to: @me.user_email, subject: I18n.t('admin_mailer.new_pending_account.subject', instance: @instance, username: @account.username)
     end
   end
+
+  def new_trending_tag(recipient, tag)
+    @tag      = tag
+    @me       = recipient
+    @instance = Rails.configuration.x.local_domain
+
+    locale_for_account(@me) do
+      mail to: @me.user_email, subject: I18n.t('admin_mailer.new_trending_tag.subject', instance: @instance, name: @tag.name)
+    end
+  end
 end
diff --git a/app/models/account.rb b/app/models/account.rb
index 3370fbc5e..92e60f747 100644
--- a/app/models/account.rb
+++ b/app/models/account.rb
@@ -231,17 +231,7 @@ class Account < ApplicationRecord
   end
 
   def tags_as_strings=(tag_names)
-    tag_names.map! { |name| name.mb_chars.downcase.to_s }
-    tag_names.uniq!
-
-    # Existing hashtags
-    hashtags_map = Tag.where(name: tag_names).each_with_object({}) { |tag, h| h[tag.name] = tag }
-
-    # Initialize not yet existing hashtags
-    tag_names.each do |name|
-      next if hashtags_map.key?(name)
-      hashtags_map[name] = Tag.new(name: name)
-    end
+    hashtags_map = Tag.find_or_create_by_names(tag_names).each_with_object({}) { |tag, h| h[tag.name] = tag }
 
     # Remove hashtags that are to be deleted
     tags.each do |tag|
diff --git a/app/models/application_record.rb b/app/models/application_record.rb
index 83134d41a..c1b873da6 100644
--- a/app/models/application_record.rb
+++ b/app/models/application_record.rb
@@ -2,5 +2,16 @@
 
 class ApplicationRecord < ActiveRecord::Base
   self.abstract_class = true
+
   include Remotable
+
+  def boolean_with_default(key, default_value)
+    value = attributes[key]
+
+    if value.nil?
+      default_value
+    else
+      value
+    end
+  end
 end
diff --git a/app/models/domain_block.rb b/app/models/domain_block.rb
index 25d3b87ef..3f5b9f23e 100644
--- a/app/models/domain_block.rb
+++ b/app/models/domain_block.rb
@@ -3,13 +3,15 @@
 #
 # Table name: domain_blocks
 #
-#  id             :bigint(8)        not null, primary key
-#  domain         :string           default(""), not null
-#  created_at     :datetime         not null
-#  updated_at     :datetime         not null
-#  severity       :integer          default("silence")
-#  reject_media   :boolean          default(FALSE), not null
-#  reject_reports :boolean          default(FALSE), not null
+#  id              :bigint(8)        not null, primary key
+#  domain          :string           default(""), not null
+#  created_at      :datetime         not null
+#  updated_at      :datetime         not null
+#  severity        :integer          default("silence")
+#  reject_media    :boolean          default(FALSE), not null
+#  reject_reports  :boolean          default(FALSE), not null
+#  private_comment :text
+#  public_comment  :text
 #
 
 class DomainBlock < ApplicationRecord
diff --git a/app/models/featured_tag.rb b/app/models/featured_tag.rb
index d06ae26a8..e02ae0705 100644
--- a/app/models/featured_tag.rb
+++ b/app/models/featured_tag.rb
@@ -23,7 +23,7 @@ class FeaturedTag < ApplicationRecord
   validate :validate_featured_tags_limit, on: :create
 
   def name=(str)
-    self.tag = Tag.find_or_initialize_by(name: str.strip.delete('#').mb_chars.downcase.to_s)
+    self.tag = Tag.find_or_create_by_names(str.strip)&.first
   end
 
   def increment(timestamp)
diff --git a/app/models/form/admin_settings.rb b/app/models/form/admin_settings.rb
index ecaed44f6..2c3a7f13b 100644
--- a/app/models/form/admin_settings.rb
+++ b/app/models/form/admin_settings.rb
@@ -35,6 +35,7 @@ class Form::AdminSettings
     show_reblogs_in_public_timelines
     show_replies_in_public_timelines
     spam_check_enabled
+    trends
   ).freeze
 
   BOOLEAN_KEYS = %i(
@@ -51,6 +52,7 @@ class Form::AdminSettings
     show_reblogs_in_public_timelines
     show_replies_in_public_timelines
     spam_check_enabled
+    trends
   ).freeze
 
   UPLOAD_KEYS = %i(
diff --git a/app/models/remote_follow.rb b/app/models/remote_follow.rb
index 2537de36c..93df11724 100644
--- a/app/models/remote_follow.rb
+++ b/app/models/remote_follow.rb
@@ -2,19 +2,21 @@
 
 class RemoteFollow
   include ActiveModel::Validations
+  include RoutingHelper
 
   attr_accessor :acct, :addressable_template
 
   validates :acct, presence: true
 
-  def initialize(attrs = nil)
-    @acct = attrs[:acct].gsub(/\A@/, '').strip if !attrs.nil? && !attrs[:acct].nil?
+  def initialize(attrs = {})
+    @acct = normalize_acct(attrs[:acct])
   end
 
   def valid?
     return false unless super
 
-    populate_template
+    fetch_template!
+
     errors.empty?
   end
 
@@ -28,8 +30,30 @@ class RemoteFollow
 
   private
 
-  def populate_template
-    if acct.blank? || redirect_url_link.nil? || redirect_url_link.template.nil?
+  def normalize_acct(value)
+    return if value.blank?
+
+    username, domain = value.strip.gsub(/\A@/, '').split('@')
+
+    domain = begin
+      if TagManager.instance.local_domain?(domain)
+        nil
+      else
+        TagManager.instance.normalize_domain(domain)
+      end
+    end
+
+    [username, domain].compact.join('@')
+  end
+
+  def fetch_template!
+    return missing_resource if acct.blank?
+
+    _, domain = acct.split('@')
+
+    if domain.nil?
+      @addressable_template = Addressable::Template.new("#{authorize_interaction_url}?uri={uri}")
+    elsif redirect_url_link.nil? || redirect_url_link.template.nil?
       missing_resource_error
     else
       @addressable_template = Addressable::Template.new(redirect_uri_template)
@@ -45,7 +69,7 @@ class RemoteFollow
   end
 
   def acct_resource
-    @_acct_resource ||= Goldfinger.finger("acct:#{acct}")
+    @acct_resource ||= Goldfinger.finger("acct:#{acct}")
   rescue Goldfinger::Error, HTTP::ConnectionError
     nil
   end
diff --git a/app/models/tag.rb b/app/models/tag.rb
index 46e3a3ec0..1364d1dba 100644
--- a/app/models/tag.rb
+++ b/app/models/tag.rb
@@ -3,10 +3,16 @@
 #
 # Table name: tags
 #
-#  id         :bigint(8)        not null, primary key
-#  name       :string           default(""), not null
-#  created_at :datetime         not null
-#  updated_at :datetime         not null
+#  id                  :bigint(8)        not null, primary key
+#  name                :string           default(""), not null
+#  created_at          :datetime         not null
+#  updated_at          :datetime         not null
+#  score               :integer
+#  usable              :boolean
+#  trendable           :boolean
+#  listable            :boolean
+#  reviewed_at         :datetime
+#  requested_review_at :datetime
 #
 
 class Tag < ApplicationRecord
@@ -21,16 +27,19 @@ class Tag < ApplicationRecord
   HASHTAG_RE = /(?:^|[^\/\)\w])#(#{HASHTAG_NAME_RE})/i
 
   validates :name, presence: true, format: { with: /\A(#{HASHTAG_NAME_RE})\z/i }
+  validate :validate_name_change, if: -> { !new_record? && name_changed? }
 
-  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 :reviewed, -> { where.not(reviewed_at: nil) }
+  scope :unreviewed, -> { where(reviewed_at: nil) }
+  scope :pending_review, -> { unreviewed.where.not(requested_review_at: nil) }
+  scope :usable, -> { where(usable: [true, nil]) }
+  scope :discoverable, -> { where(listable: [true, nil]).joins(:account_tag_stat).where(AccountTagStat.arel_table[:accounts_count].gt(0)).order(Arel.sql('account_tag_stats.accounts_count desc')) }
   scope :most_used, ->(account) { joins(:statuses).where(statuses: { account: account }).group(:id).order(Arel.sql('count(*) desc')) }
 
   delegate :accounts_count,
            :accounts_count=,
            :increment_count!,
            :decrement_count!,
-           :hidden?,
            to: :account_tag_stat
 
   after_save :save_account_tag_stat
@@ -47,6 +56,40 @@ class Tag < ApplicationRecord
     name
   end
 
+  def usable
+    boolean_with_default('usable', true)
+  end
+
+  alias usable? usable
+
+  def listable
+    boolean_with_default('listable', true)
+  end
+
+  alias listable? listable
+
+  def trendable
+    boolean_with_default('trendable', false)
+  end
+
+  alias trendable? trendable
+
+  def requires_review?
+    reviewed_at.nil?
+  end
+
+  def reviewed?
+    reviewed_at.present?
+  end
+
+  def requested_review?
+    requested_review_at.present?
+  end
+
+  def trending?
+    TrendingTags.trending?(self)
+  end
+
   def history
     days = []
 
@@ -75,10 +118,12 @@ class Tag < ApplicationRecord
     end
 
     def search_for(term, limit = 5, offset = 0)
-      pattern = sanitize_sql_like(normalize(term.strip)) + '%'
+      normalized_term = normalize(term.strip).mb_chars.downcase.to_s
+      pattern         = sanitize_sql_like(normalized_term) + '%'
 
-      Tag.where(arel_table[:name].lower.matches(pattern.mb_chars.downcase.to_s))
-         .order(:name)
+      Tag.where(arel_table[:name].lower.matches(pattern))
+         .where(arel_table[:score].gt(0).or(arel_table[:name].lower.eq(normalized_term)))
+         .order(Arel.sql('length(name) ASC, score DESC, name ASC'))
          .limit(limit)
          .offset(offset)
     end
@@ -114,4 +159,8 @@ class Tag < ApplicationRecord
     return unless account_tag_stat&.changed?
     account_tag_stat.save
   end
+
+  def validate_name_change
+    errors.add(:name, I18n.t('tags.does_not_match_previous_name')) unless name_was.mb_chars.casecmp(name.mb_chars).zero?
+  end
 end
diff --git a/app/models/trending_tags.rb b/app/models/trending_tags.rb
index 148535c21..594ae9520 100644
--- a/app/models/trending_tags.rb
+++ b/app/models/trending_tags.rb
@@ -5,23 +5,32 @@ class TrendingTags
   EXPIRE_HISTORY_AFTER = 7.days.seconds
   EXPIRE_TRENDS_AFTER  = 1.day.seconds
   THRESHOLD            = 5
+  LIMIT                = 10
 
   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?
+      return if account.silenced? || account.bot? || !tag.usable? || !(tag.trendable? || tag.requires_review?)
 
       increment_historical_use!(tag.id, at_time)
       increment_unique_use!(tag.id, account.id, at_time)
-      increment_vote!(tag.id, at_time)
+      increment_vote!(tag, at_time)
     end
 
-    def get(limit)
-      key     = "#{KEY}:#{Time.now.utc.beginning_of_day.to_i}"
-      tag_ids = redis.zrevrange(key, 0, limit - 1).map(&:to_i)
-      tags    = Tag.where(id: tag_ids).to_a.each_with_object({}) { |tag, h| h[tag.id] = tag }
-      tag_ids.map { |tag_id| tags[tag_id] }.compact
+    def get(limit, filtered: true)
+      tag_ids = redis.zrevrange("#{KEY}:#{Time.now.utc.beginning_of_day.to_i}", 0, LIMIT - 1).map(&:to_i)
+
+      tags = Tag.where(id: tag_ids)
+      tags = tags.where(trendable: true) if filtered
+      tags = tags.each_with_object({}) { |tag, h| h[tag.id] = tag }
+
+      tag_ids.map { |tag_id| tags[tag_id] }.compact.take(limit)
+    end
+
+    def trending?(tag)
+      rank = redis.zrevrank("#{KEY}:#{Time.now.utc.beginning_of_day.to_i}", tag.id)
+      rank.present? && rank <= LIMIT
     end
 
     private
@@ -38,28 +47,31 @@ class TrendingTags
       redis.expire(key, EXPIRE_HISTORY_AFTER)
     end
 
-    def increment_vote!(tag_id, at_time)
+    def increment_vote!(tag, at_time)
       key      = "#{KEY}:#{at_time.beginning_of_day.to_i}"
-      expected = redis.pfcount("activity:tags:#{tag_id}:#{(at_time - 1.day).beginning_of_day.to_i}:accounts").to_f
+      expected = redis.pfcount("activity:tags:#{tag.id}:#{(at_time - 1.day).beginning_of_day.to_i}:accounts").to_f
       expected = 1.0 if expected.zero?
-      observed = redis.pfcount("activity:tags:#{tag_id}:#{at_time.beginning_of_day.to_i}:accounts").to_f
+      observed = redis.pfcount("activity:tags:#{tag.id}:#{at_time.beginning_of_day.to_i}:accounts").to_f
 
       if expected > observed || observed < THRESHOLD
-        redis.zrem(key, tag_id.to_s)
+        redis.zrem(key, tag.id)
       else
-        score = ((observed - expected)**2) / expected
-        redis.zadd(key, score, tag_id.to_s)
+        score    = ((observed - expected)**2) / expected
+        old_rank = redis.zrevrank(key, tag.id)
+
+        redis.zadd(key, score, tag.id)
+        request_review!(tag) if (old_rank.nil? || old_rank > LIMIT) && redis.zrevrank(key, tag.id) <= LIMIT && !tag.trendable? && tag.requires_review? && !tag.requested_review?
       end
 
       redis.expire(key, EXPIRE_TRENDS_AFTER)
     end
 
-    def disallowed_hashtags
-      return @disallowed_hashtags if defined?(@disallowed_hashtags)
+    def request_review!(tag)
+      return unless Setting.trends
+
+      tag.touch(:requested_review_at)
 
-      @disallowed_hashtags = Setting.disallowed_hashtags.nil? ? [] : Setting.disallowed_hashtags
-      @disallowed_hashtags = @disallowed_hashtags.split(' ') if @disallowed_hashtags.is_a? String
-      @disallowed_hashtags = @disallowed_hashtags.map(&:downcase)
+      User.staff.includes(:account).find_each { |u| AdminMailer.new_trending_tag(u.account, tag).deliver_later! if u.allows_trending_tag_emails? }
     end
   end
 end
diff --git a/app/models/user.rb b/app/models/user.rb
index 2a7fffca5..45a4b8989 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -107,7 +107,9 @@ class User < ApplicationRecord
   delegate :auto_play_gif, :default_sensitive, :unfollow_modal, :boost_modal, :favourite_modal, :delete_modal,
            :reduce_motion, :system_font_ui, :noindex, :flavour, :skin, :display_media, :hide_network, :hide_followers_count,
            :expand_spoilers, :default_language, :aggregate_reblogs, :show_application,
-           :advanced_layout, :default_content_type, :use_blurhash, :use_pending_items, :use_pending_items, to: :settings, prefix: :setting, allow_nil: false
+           :advanced_layout, :use_blurhash, :use_pending_items, :trends,
+           :default_content_type,
+           to: :settings, prefix: :setting, allow_nil: false
 
   attr_reader :invite_code
   attr_writer :external
@@ -207,6 +209,10 @@ class User < ApplicationRecord
     settings.notification_emails['pending_account']
   end
 
+  def allows_trending_tag_emails?
+    settings.notification_emails['trending_tag']
+  end
+
   def hides_network?
     @hides_network ||= settings.hide_network
   end
diff --git a/app/policies/tag_policy.rb b/app/policies/tag_policy.rb
index c63de01db..aaf70fcab 100644
--- a/app/policies/tag_policy.rb
+++ b/app/policies/tag_policy.rb
@@ -5,11 +5,11 @@ class TagPolicy < ApplicationPolicy
     staff?
   end
 
-  def hide?
+  def show?
     staff?
   end
 
-  def unhide?
+  def update?
     staff?
   end
 end
diff --git a/app/serializers/initial_state_serializer.rb b/app/serializers/initial_state_serializer.rb
index e22059182..c8da6e725 100644
--- a/app/serializers/initial_state_serializer.rb
+++ b/app/serializers/initial_state_serializer.rb
@@ -34,6 +34,7 @@ class InitialStateSerializer < ActiveModel::Serializer
       invites_enabled: Setting.min_invite_role == 'user',
       mascot: instance_presenter.mascot&.file&.url,
       profile_directory: Setting.profile_directory,
+      trends: Setting.trends,
     }
 
     if object.current_account
@@ -50,6 +51,7 @@ class InitialStateSerializer < ActiveModel::Serializer
       store[:use_blurhash]      = object.current_account.user.setting_use_blurhash
       store[:use_pending_items] = object.current_account.user.setting_use_pending_items
       store[:is_staff]          = object.current_account.user.staff?
+      store[:trends]            = Setting.trends && object.current_account.user.setting_trends
       store[:default_content_type] = object.current_account.user.setting_default_content_type
     end
 
diff --git a/app/serializers/webfinger_serializer.rb b/app/serializers/webfinger_serializer.rb
index 008d0c182..c67363b8f 100644
--- a/app/serializers/webfinger_serializer.rb
+++ b/app/serializers/webfinger_serializer.rb
@@ -26,7 +26,6 @@ class WebfingerSerializer < ActiveModel::Serializer
     else
       [
         { rel: 'http://webfinger.net/rel/profile-page', type: 'text/html', href: short_account_url(object) },
-        { rel: 'http://schemas.google.com/g/2010#updates-from', type: 'application/atom+xml', href: account_url(object, format: 'atom') },
         { rel: 'self', type: 'application/activity+json', href: account_url(object) },
         { rel: 'http://ostatus.org/schema/1.0/subscribe', template: "#{authorize_interaction_url}?uri={uri}" },
       ]
diff --git a/app/services/batched_remove_status_service.rb b/app/services/batched_remove_status_service.rb
index bbee47cb7..c9a9a5a6e 100644
--- a/app/services/batched_remove_status_service.rb
+++ b/app/services/batched_remove_status_service.rb
@@ -81,8 +81,8 @@ class BatchedRemoveStatusService < BaseService
       end
 
       @tags[status.id].each do |hashtag|
-        redis.publish("timeline:hashtag:#{hashtag}", payload)
-        redis.publish("timeline:hashtag:#{hashtag}:local", payload) if status.local?
+        redis.publish("timeline:hashtag:#{hashtag.mb_chars.downcase}", payload)
+        redis.publish("timeline:hashtag:#{hashtag.mb_chars.downcase}:local", payload) if status.local?
       end
     end
   end
diff --git a/app/services/block_domain_service.rb b/app/services/block_domain_service.rb
index c5e5e5761..0ec6be503 100644
--- a/app/services/block_domain_service.rb
+++ b/app/services/block_domain_service.rb
@@ -3,13 +3,22 @@
 class BlockDomainService < BaseService
   attr_reader :domain_block
 
-  def call(domain_block)
+  def call(domain_block, update = false)
     @domain_block = domain_block
     process_domain_block!
+    process_retroactive_updates! if update
   end
 
   private
 
+  def process_retroactive_updates!
+    # If the domain block severity has been changed, undo the appropriate limitations
+    scope = Account.by_domain_and_subdomains(domain_block.domain)
+
+    scope.where(silenced_at: domain_block.created_at).in_batches.update_all(silenced_at: nil) unless domain_block.silence?
+    scope.where(suspended_at: domain_block.created_at).in_batches.update_all(suspended_at: nil) unless domain_block.suspend?
+  end
+
   def process_domain_block!
     clear_media! if domain_block.reject_media?
 
diff --git a/app/services/fan_out_on_write_service.rb b/app/services/fan_out_on_write_service.rb
index cf433d8a6..72f716dc5 100644
--- a/app/services/fan_out_on_write_service.rb
+++ b/app/services/fan_out_on_write_service.rb
@@ -77,8 +77,8 @@ class FanOutOnWriteService < BaseService
     Rails.logger.debug "Delivering status #{status.id} to hashtags"
 
     status.tags.pluck(:name).each do |hashtag|
-      Redis.current.publish("timeline:hashtag:#{hashtag}", @payload)
-      Redis.current.publish("timeline:hashtag:#{hashtag}:local", @payload) if status.local?
+      Redis.current.publish("timeline:hashtag:#{hashtag.mb_chars.downcase}", @payload)
+      Redis.current.publish("timeline:hashtag:#{hashtag.mb_chars.downcase}:local", @payload) if status.local?
     end
   end
 
diff --git a/app/services/remove_status_service.rb b/app/services/remove_status_service.rb
index 958a67e8f..c19fa2126 100644
--- a/app/services/remove_status_service.rb
+++ b/app/services/remove_status_service.rb
@@ -126,8 +126,8 @@ class RemoveStatusService < BaseService
     return unless @status.public_visibility?
 
     @tags.each do |hashtag|
-      redis.publish("timeline:hashtag:#{hashtag}", @payload)
-      redis.publish("timeline:hashtag:#{hashtag}:local", @payload) if @status.local?
+      redis.publish("timeline:hashtag:#{hashtag.mb_chars.downcase}", @payload)
+      redis.publish("timeline:hashtag:#{hashtag.mb_chars.downcase}:local", @payload) if @status.local?
     end
   end
 
diff --git a/app/services/resolve_account_service.rb b/app/services/resolve_account_service.rb
index 7864c4bcd..12e6544a0 100644
--- a/app/services/resolve_account_service.rb
+++ b/app/services/resolve_account_service.rb
@@ -60,17 +60,23 @@ class ResolveAccountService < BaseService
       @account  = uri
       @username = @account.username
       @domain   = @account.domain
-      @uri      = [@username, @domain].compact.join('@')
     else
-      @uri               = uri
       @username, @domain = uri.split('@')
     end
 
-    @domain = nil if TagManager.instance.local_domain?(@domain)
+    @domain = begin
+      if TagManager.instance.local_domain?(@domain)
+        nil
+      else
+        TagManager.instance.normalize_domain(@domain)
+      end
+    end
+
+    @uri = [@username, @domain].compact.join('@')
   end
 
   def process_webfinger!(uri, redirected = false)
-    @webfinger                           = Goldfinger.finger("acct:#{@uri}")
+    @webfinger                           = Goldfinger.finger("acct:#{uri}")
     confirmed_username, confirmed_domain = @webfinger.subject.gsub(/\Aacct:/, '').split('@')
 
     if confirmed_username.casecmp(@username).zero? && confirmed_domain.casecmp(@domain).zero?
diff --git a/app/services/unblock_domain_service.rb b/app/services/unblock_domain_service.rb
index fc262a50a..d502d9e49 100644
--- a/app/services/unblock_domain_service.rb
+++ b/app/services/unblock_domain_service.rb
@@ -10,24 +10,9 @@ class UnblockDomainService < BaseService
   end
 
   def process_retroactive_updates
-    blocked_accounts.in_batches.update_all(update_options) unless domain_block.noop?
-  end
-
-  def blocked_accounts
     scope = Account.by_domain_and_subdomains(domain_block.domain)
 
-    if domain_block.silence?
-      scope.where(silenced_at: @domain_block.created_at)
-    else
-      scope.where(suspended_at: @domain_block.created_at)
-    end
-  end
-
-  def update_options
-    { domain_block_impact => nil }
-  end
-
-  def domain_block_impact
-    domain_block.silence? ? :silenced_at : :suspended_at
+    scope.where(silenced_at: domain_block.created_at).in_batches.update_all(silenced_at: nil) unless domain_block.noop?
+    scope.where(suspended_at: domain_block.created_at).in_batches.update_all(suspended_at: nil) if domain_block.suspend?
   end
 end
diff --git a/app/validators/disallowed_hashtags_validator.rb b/app/validators/disallowed_hashtags_validator.rb
index ee06b20f6..d745b767f 100644
--- a/app/validators/disallowed_hashtags_validator.rb
+++ b/app/validators/disallowed_hashtags_validator.rb
@@ -4,24 +4,7 @@ class DisallowedHashtagsValidator < ActiveModel::Validator
   def validate(status)
     return unless status.local? && !status.reblog?
 
-    @status = status
-    tags    = select_tags
-
-    status.errors.add(:text, I18n.t('statuses.disallowed_hashtags', tags: tags.join(', '), count: tags.size)) unless tags.empty?
-  end
-
-  private
-
-  def select_tags
-    tags = Extractor.extract_hashtags(@status.text)
-    tags.keep_if { |tag| disallowed_hashtags.include? tag.downcase }
-  end
-
-  def disallowed_hashtags
-    return @disallowed_hashtags if @disallowed_hashtags
-
-    @disallowed_hashtags = Setting.disallowed_hashtags.nil? ? [] : Setting.disallowed_hashtags
-    @disallowed_hashtags = @disallowed_hashtags.split(' ') if @disallowed_hashtags.is_a? String
-    @disallowed_hashtags = @disallowed_hashtags.map(&:downcase)
+    disallowed_hashtags = Tag.matching_name(Extractor.extract_hashtags(status.text)).reject(&:usable?)
+    status.errors.add(:text, I18n.t('statuses.disallowed_hashtags', tags: disallowed_hashtags.map(&:name).join(', '), count: disallowed_hashtags.size)) unless disallowed_hashtags.empty?
   end
 end
diff --git a/app/views/accounts/show.html.haml b/app/views/accounts/show.html.haml
index 6846abeb6..034304936 100644
--- a/app/views/accounts/show.html.haml
+++ b/app/views/accounts/show.html.haml
@@ -7,7 +7,6 @@
   - if @account.user&.setting_noindex
     %meta{ name: 'robots', content: 'noindex, noarchive' }/
 
-  %link{ rel: 'alternate', type: 'application/atom+xml', href: account_url(@account, format: 'atom') }/
   %link{ rel: 'alternate', type: 'application/rss+xml', href: account_url(@account, format: 'rss') }/
   %link{ rel: 'alternate', type: 'application/activity+json', href: ActivityPub::TagManager.instance.uri_for(@account) }/
 
@@ -74,7 +73,7 @@
               - 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
+                %time.formatted{ 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/accounts/show.html.haml b/app/views/admin/accounts/show.html.haml
index 7494c9fa2..59babd3b0 100644
--- a/app/views/admin/accounts/show.html.haml
+++ b/app/views/admin/accounts/show.html.haml
@@ -174,7 +174,7 @@
 
       - unless @account.local?
         - if DomainBlock.where(domain: @account.domain).exists?
-          = link_to t('admin.domain_blocks.undo'), admin_instance_path(@account.domain), class: 'button'
+          = link_to t('admin.domain_blocks.view'), admin_instance_path(@account.domain), class: 'button'
         - else
           = link_to t('admin.domain_blocks.add_new'), new_admin_domain_block_path(_domain: @account.domain), class: 'button button--destructive'
 
diff --git a/app/views/admin/dashboard/index.html.haml b/app/views/admin/dashboard/index.html.haml
index 54cf9af5d..408d515ca 100644
--- a/app/views/admin/dashboard/index.html.haml
+++ b/app/views/admin/dashboard/index.html.haml
@@ -15,14 +15,22 @@
       .dashboard__counters__num= number_with_delimiter @logins_week
       .dashboard__counters__label= t 'admin.dashboard.week_users_active'
   %div
-    %div
-      .dashboard__counters__num= number_with_delimiter @interactions_week
-      .dashboard__counters__label= t 'admin.dashboard.week_interactions'
+    = link_to admin_pending_accounts_path do
+      .dashboard__counters__num= number_with_delimiter @pending_users_count
+      .dashboard__counters__label= t 'admin.dashboard.pending_users'
   %div
     = link_to admin_reports_url do
       .dashboard__counters__num= number_with_delimiter @reports_count
       .dashboard__counters__label= t 'admin.dashboard.open_reports'
   %div
+    = link_to admin_tags_path(review: 'pending_review') do
+      .dashboard__counters__num= number_with_delimiter @pending_tags_count
+      .dashboard__counters__label= t 'admin.dashboard.pending_tags'
+  %div
+    %div
+      .dashboard__counters__num= number_with_delimiter @interactions_week
+      .dashboard__counters__label= t 'admin.dashboard.week_interactions'
+  %div
     = link_to sidekiq_url do
       .dashboard__counters__num= number_with_delimiter @queue_backlog
       .dashboard__counters__label= t 'admin.dashboard.backlog'
@@ -52,6 +60,8 @@
         %li
           = feature_hint(link_to(t('admin.dashboard.keybase'), edit_admin_settings_path), @keybase_integration)
         %li
+          = feature_hint(link_to(t('admin.dashboard.trends'), edit_admin_settings_path), @trends_enabled)
+        %li
           = feature_hint(link_to(t('admin.dashboard.feature_relay'), admin_relays_path), @relay_enabled)
         %li
           = feature_hint(link_to(t('admin.dashboard.feature_spam_check'), edit_admin_settings_path), @spam_check_enabled)
@@ -93,6 +103,10 @@
         %li
           = feature_hint(t('admin.dashboard.single_user_mode'), @single_user_mode)
         %li
+          = feature_hint(t('admin.dashboard.authorized_fetch_mode'), @authorized_fetch)
+        %li
+          = feature_hint(t('admin.dashboard.whitelist_mode'), @whitelist_mode)
+        %li
           = feature_hint('LDAP', @ldap_enabled)
         %li
           = feature_hint('CAS', @cas_enabled)
@@ -109,5 +123,5 @@
       %ul
         - @trending_hashtags.each do |tag|
           %li
-            = link_to "##{tag.name}", web_url("timelines/tag/#{tag.name}")
+            = link_to content_tag(:span, "##{tag.name}", class: !tag.trendable? && !tag.reviewed? ? 'warning-hint' : (!tag.trendable? ? 'negative-hint' : nil)), admin_tag_path(tag.id)
             %span.pull-right= number_with_delimiter(tag.history[0][:accounts].to_i)
diff --git a/app/views/admin/domain_blocks/edit.html.haml b/app/views/admin/domain_blocks/edit.html.haml
new file mode 100644
index 000000000..8669bb6d1
--- /dev/null
+++ b/app/views/admin/domain_blocks/edit.html.haml
@@ -0,0 +1,27 @@
+- content_for :page_title do
+  = t('admin.domain_blocks.edit')
+
+= simple_form_for @domain_block, url: admin_domain_block_path(@domain_block), method: :put do |f|
+  = render 'shared/error_messages', object: @domain_block
+
+  .fields-row
+    .fields-row__column.fields-row__column-6.fields-group
+      = f.input :domain, wrapper: :with_label, label: t('admin.domain_blocks.domain'), hint: t('admin.domain_blocks.new.hint'), required: true, readonly: true, disabled: true
+
+    .fields-row__column.fields-row__column-6.fields-group
+      = f.input :severity, collection: DomainBlock.severities.keys, wrapper: :with_label, include_blank: false, label_method: lambda { |type| t("admin.domain_blocks.new.severity.#{type}") }, hint: t('admin.domain_blocks.new.severity.desc_html')
+
+  .fields-group
+    = f.input :reject_media, as: :boolean, wrapper: :with_label, label: I18n.t('admin.domain_blocks.reject_media'), hint: I18n.t('admin.domain_blocks.reject_media_hint')
+
+  .fields-group
+    = f.input :reject_reports, as: :boolean, wrapper: :with_label, label: I18n.t('admin.domain_blocks.reject_reports'), hint: I18n.t('admin.domain_blocks.reject_reports_hint')
+
+  .field-group
+    = f.input :private_comment, wrapper: :with_label, label: I18n.t('admin.domain_blocks.private_comment'), hint: t('admin.domain_blocks.private_comment_hint'), rows: 6
+
+  .field-group
+    = f.input :public_comment, wrapper: :with_label, label: I18n.t('admin.domain_blocks.public_comment'), hint: t('admin.domain_blocks.public_comment_hint'), rows: 6
+
+  .actions
+    = f.button :button, t('generic.save_changes'), type: :submit
diff --git a/app/views/admin/domain_blocks/new.html.haml b/app/views/admin/domain_blocks/new.html.haml
index 3a4963489..a643825df 100644
--- a/app/views/admin/domain_blocks/new.html.haml
+++ b/app/views/admin/domain_blocks/new.html.haml
@@ -17,5 +17,11 @@
   .fields-group
     = f.input :reject_reports, as: :boolean, wrapper: :with_label, label: I18n.t('admin.domain_blocks.reject_reports'), hint: I18n.t('admin.domain_blocks.reject_reports_hint')
 
+  .field-group
+    = f.input :private_comment, wrapper: :with_label, label: I18n.t('admin.domain_blocks.private_comment'), hint: t('admin.domain_blocks.private_comment_hint'), rows: 6
+
+  .field-group
+    = f.input :public_comment, wrapper: :with_label, label: I18n.t('admin.domain_blocks.public_comment'), hint: t('admin.domain_blocks.public_comment_hint'), rows: 6
+
   .actions
     = f.button :button, t('.create'), type: :submit
diff --git a/app/views/admin/domain_blocks/show.html.haml b/app/views/admin/domain_blocks/show.html.haml
index dca4dbac7..e64aaa629 100644
--- a/app/views/admin/domain_blocks/show.html.haml
+++ b/app/views/admin/domain_blocks/show.html.haml
@@ -1,6 +1,18 @@
 - content_for :page_title do
   = t('admin.domain_blocks.show.title', domain: @domain_block.domain)
 
+- if @domain_block.private_comment.present?
+  .speech-bubble
+    .speech-bubble__bubble
+      = simple_format(h(@domain_block.private_comment))
+    .speech-bubble__owner= t 'admin.instances.private_comment'
+
+- if @domain_block.public_comment.present?
+  .speech-bubble
+    .speech-bubble__bubble
+      = simple_format(h(@domain_block.public_comment))
+    .speech-bubble__owner= t 'admin.instances.public_comment'
+
 = simple_form_for @domain_block, url: admin_domain_block_path(@domain_block), method: :delete do |f|
 
   - unless (@domain_block.noop?)
diff --git a/app/views/admin/instances/show.html.haml b/app/views/admin/instances/show.html.haml
index fbb49ba02..294c9495d 100644
--- a/app/views/admin/instances/show.html.haml
+++ b/app/views/admin/instances/show.html.haml
@@ -31,6 +31,18 @@
           = fa_icon 'times'
       .dashboard__counters__label= t 'admin.instances.delivery_available'
 
+- if @private_comment.present?
+  .speech-bubble
+    .speech-bubble__bubble
+      = simple_format(h(@private_comment))
+    .speech-bubble__owner= t 'admin.instances.private_comment'
+
+- if @public_comment.present?
+  .speech-bubble
+    .speech-bubble__bubble
+      = simple_format(h(@public_comment))
+    .speech-bubble__owner= t 'admin.instances.public_comment'
+
 %hr.spacer/
 
 %div{ style: 'overflow: hidden' }
@@ -41,6 +53,7 @@
     - if @domain_allow
       = link_to t('admin.domain_allows.undo'), admin_domain_allow_path(@domain_allow), class: 'button button--destructive', data: { confirm: t('admin.accounts.are_you_sure'), method: :delete }
     - elsif @domain_block
+      = link_to t('admin.domain_blocks.edit'), edit_admin_domain_block_path(@domain_block), class: 'button'
       = link_to t('admin.domain_blocks.undo'), admin_domain_block_path(@domain_block), class: 'button'
     - else
       = link_to t('admin.domain_blocks.add_new'), new_admin_domain_block_path(_domain: @instance.domain), class: 'button'
diff --git a/app/views/admin/settings/edit.html.haml b/app/views/admin/settings/edit.html.haml
index efe6ea56b..b0ab394d6 100644
--- a/app/views/admin/settings/edit.html.haml
+++ b/app/views/admin/settings/edit.html.haml
@@ -68,6 +68,9 @@
     .fields-group
       = f.input :profile_directory, as: :boolean, wrapper: :with_label, label: t('admin.settings.profile_directory.title'), hint: t('admin.settings.profile_directory.desc_html')
 
+    .fields-group
+      = f.input :trends, as: :boolean, wrapper: :with_label, label: t('admin.settings.trends.title'), hint: t('admin.settings.trends.desc_html')
+
   .fields-group
     = f.input :hide_followers_count, as: :boolean, wrapper: :with_label, label: t('admin.settings.hide_followers_count.title'), hint: t('admin.settings.hide_followers_count.desc_html')
 
diff --git a/app/views/admin/tags/_tag.html.haml b/app/views/admin/tags/_tag.html.haml
index 961b83f93..91af8e492 100644
--- a/app/views/admin/tags/_tag.html.haml
+++ b/app/views/admin/tags/_tag.html.haml
@@ -1,12 +1,16 @@
-%tr
-  %td
-    = link_to explore_hashtag_path(tag) do
+.directory__tag
+  = link_to admin_tag_path(tag.id) do
+    %h4
       = fa_icon 'hashtag'
       = tag.name
-  %td
-    = t('directories.people', count: tag.accounts_count)
-  %td
-    - if tag.hidden?
-      = table_link_to 'eye', t('admin.tags.unhide'), unhide_admin_tag_path(tag.id, **@filter_params), method: :post
-    - else
-      = table_link_to 'eye-slash', t('admin.tags.hide'), hide_admin_tag_path(tag.id, **@filter_params), method: :post
+
+      %small
+        = t('admin.tags.in_directory', count: tag.accounts_count)
+        &bull;
+        = t('admin.tags.unique_uses_today', count: tag.history.first[:accounts])
+
+        - if tag.trending?
+          = fa_icon 'fire fw'
+          = t('admin.tags.trending_right_now')
+
+    .trends__item__current= number_to_human tag.history.first[:uses], strip_insignificant_zeros: true
diff --git a/app/views/admin/tags/index.html.haml b/app/views/admin/tags/index.html.haml
index 4ba395860..d994955ef 100644
--- a/app/views/admin/tags/index.html.haml
+++ b/app/views/admin/tags/index.html.haml
@@ -3,17 +3,20 @@
 
 .filters
   .filter-subset
-    %strong= t('admin.reports.status')
+    %strong= t('admin.tags.context')
     %ul
-      %li= filter_link_to t('admin.tags.visible'), hidden: nil
-      %li= filter_link_to t('admin.tags.hidden'), hidden: '1'
+      %li= filter_link_to t('generic.all'), context: nil
+      %li= filter_link_to t('admin.tags.directory'), context: 'directory'
 
-.table-wrapper
-  %table.table
-    %thead
-      %tr
-        %th= t('admin.tags.name')
-        %th= t('admin.tags.accounts')
-        %th
-    %tbody
-      = render @tags
+  .filter-subset
+    %strong= t('admin.tags.review')
+    %ul
+      %li= filter_link_to t('generic.all'), review: nil
+      %li= filter_link_to t('admin.tags.unreviewed'), review: 'unreviewed'
+      %li= filter_link_to t('admin.tags.reviewed'), review: 'reviewed'
+      %li= filter_link_to safe_join([t('admin.accounts.moderation.pending'), "(#{Tag.pending_review.count})"], ' '), review: 'pending_review'
+
+%hr.spacer/
+
+= render @tags
+= paginate @tags
diff --git a/app/views/admin/tags/show.html.haml b/app/views/admin/tags/show.html.haml
new file mode 100644
index 000000000..6a1e03065
--- /dev/null
+++ b/app/views/admin/tags/show.html.haml
@@ -0,0 +1,45 @@
+- content_for :page_title do
+  = "##{@tag.name}"
+
+.dashboard__counters
+  %div
+    = link_to web_url("timelines/tag/#{@tag.name}") do
+      .dashboard__counters__num= number_with_delimiter @accounts_today
+      .dashboard__counters__label= t 'admin.tags.accounts_today'
+  %div
+    %div
+      .dashboard__counters__num= number_with_delimiter @accounts_week
+      .dashboard__counters__label= t 'admin.tags.accounts_week'
+  %div
+    = link_to explore_hashtag_path(@tag) do
+      .dashboard__counters__num= number_with_delimiter @tag.accounts_count
+      .dashboard__counters__label= t 'admin.tags.directory'
+
+%hr.spacer/
+
+= simple_form_for @tag, url: admin_tag_path(@tag.id) do |f|
+  = render 'shared/error_messages', object: @tag
+
+  .fields-group
+    = f.input :name, wrapper: :with_block_label
+
+  .fields-group
+    = f.input :usable, as: :boolean, wrapper: :with_label
+    = f.input :trendable, as: :boolean, wrapper: :with_label, disabled: !Setting.trends
+    = f.input :listable, as: :boolean, wrapper: :with_label, disabled: !Setting.profile_directory
+
+  .actions
+    = f.button :button, t('generic.save_changes'), type: :submit
+
+%hr.spacer/
+
+%h3= t 'admin.tags.breakdown'
+
+.table-wrapper
+  %table.table
+    %tbody
+      - @usage_by_domain.each do |(domain, count)|
+        %tr
+          %th= domain || site_hostname
+          %td= "#{number_with_delimiter((count.to_f / @tag.history[0][:uses].to_f) * 100)}%"
+          %td= number_with_delimiter count
diff --git a/app/views/admin_mailer/new_trending_tag.text.erb b/app/views/admin_mailer/new_trending_tag.text.erb
new file mode 100644
index 000000000..f3087df37
--- /dev/null
+++ b/app/views/admin_mailer/new_trending_tag.text.erb
@@ -0,0 +1,5 @@
+<%= raw t('application_mailer.salutation', name: display_name(@me)) %>
+
+<%= raw t('admin_mailer.new_trending_tag.body', name: @tag.name) %>
+
+<%= raw t('application_mailer.view')%> <%= admin_tags_url(review: 'pending_review') %>
diff --git a/app/views/settings/preferences/appearance/show.html.haml b/app/views/settings/preferences/appearance/show.html.haml
index 447958253..0bda49f44 100644
--- a/app/views/settings/preferences/appearance/show.html.haml
+++ b/app/views/settings/preferences/appearance/show.html.haml
@@ -22,6 +22,11 @@
     = f.input :setting_reduce_motion, as: :boolean, wrapper: :with_label
     = f.input :setting_system_font_ui, as: :boolean, wrapper: :with_label
 
+  %h4= t 'appearance.discovery'
+
+  .fields-group
+    = f.input :setting_trends, as: :boolean, wrapper: :with_label
+
   %h4= t 'appearance.confirmation_dialogs'
 
   .fields-group
diff --git a/app/views/settings/preferences/notifications/show.html.haml b/app/views/settings/preferences/notifications/show.html.haml
index acc646fc3..f666ae4ff 100644
--- a/app/views/settings/preferences/notifications/show.html.haml
+++ b/app/views/settings/preferences/notifications/show.html.haml
@@ -15,6 +15,7 @@
       - if current_user.staff?
         = ff.input :report, as: :boolean, wrapper: :with_label
         = ff.input :pending_account, as: :boolean, wrapper: :with_label
+        = ff.input :trending_tag, as: :boolean, wrapper: :with_label
 
   .fields-group
     = f.simple_fields_for :notification_emails, hash_to_object(current_user.settings.notification_emails) do |ff|
diff --git a/app/views/well_known/webfinger/show.xml.ruby b/app/views/well_known/webfinger/show.xml.ruby
deleted file mode 100644
index f5a54052a..000000000
--- a/app/views/well_known/webfinger/show.xml.ruby
+++ /dev/null
@@ -1,51 +0,0 @@
-doc = Ox::Document.new(version: '1.0')
-
-doc << Ox::Element.new('XRD').tap do |xrd|
-  xrd['xmlns'] = 'http://docs.oasis-open.org/ns/xri/xrd-1.0'
-
-  xrd << (Ox::Element.new('Subject') << @account.to_webfinger_s)
-
-  if @account.instance_actor?
-    xrd << (Ox::Element.new('Alias') << instance_actor_url)
-
-    xrd << Ox::Element.new('Link').tap do |link|
-      link['rel']      = 'http://webfinger.net/rel/profile-page'
-      link['type']     = 'text/html'
-      link['href']     = about_more_url(instance_actor: true)
-    end
-
-    xrd << Ox::Element.new('Link').tap do |link|
-      link['rel']      = 'self'
-      link['type']     = 'application/activity+json'
-      link['href']     = instance_actor_url
-    end
-  else
-    xrd << (Ox::Element.new('Alias') << short_account_url(@account))
-    xrd << (Ox::Element.new('Alias') << account_url(@account))
-
-    xrd << Ox::Element.new('Link').tap do |link|
-      link['rel']      = 'http://webfinger.net/rel/profile-page'
-      link['type']     = 'text/html'
-      link['href']     = short_account_url(@account)
-    end
-
-    xrd << Ox::Element.new('Link').tap do |link|
-      link['rel']      = 'http://schemas.google.com/g/2010#updates-from'
-      link['type']     = 'application/atom+xml'
-      link['href']     = account_url(@account, format: 'atom')
-    end
-
-    xrd << Ox::Element.new('Link').tap do |link|
-      link['rel']      = 'self'
-      link['type']     = 'application/activity+json'
-      link['href']     = account_url(@account)
-    end
-
-    xrd << Ox::Element.new('Link').tap do |link|
-      link['rel']      = 'http://ostatus.org/schema/1.0/subscribe'
-      link['template'] = "#{authorize_interaction_url}?acct={uri}"
-    end
-  end
-end
-
-('<?xml version="1.0" encoding="UTF-8"?>' + Ox.dump(doc, effort: :tolerant)).force_encoding('UTF-8')
diff --git a/app/workers/domain_block_worker.rb b/app/workers/domain_block_worker.rb
index 884477829..35518d6b5 100644
--- a/app/workers/domain_block_worker.rb
+++ b/app/workers/domain_block_worker.rb
@@ -3,8 +3,8 @@
 class DomainBlockWorker
   include Sidekiq::Worker
 
-  def perform(domain_block_id)
-    BlockDomainService.new.call(DomainBlock.find(domain_block_id))
+  def perform(domain_block_id, update = false)
+    BlockDomainService.new.call(DomainBlock.find(domain_block_id), update)
   rescue ActiveRecord::RecordNotFound
     true
   end
diff --git a/config/locales/en.yml b/config/locales/en.yml
index ae59bb63e..5fc166f4c 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -247,6 +247,7 @@ en:
       updated_msg: Emoji successfully updated!
       upload: Upload
     dashboard:
+      authorized_fetch_mode: Authorized fetch mode
       backlog: backlogged jobs
       config: Configuration
       feature_deletions: Account deletions
@@ -260,6 +261,8 @@ en:
       hidden_service: Federation with hidden services
       keybase: Keybase integration
       open_reports: open reports
+      pending_tags: hashtags waiting for review
+      pending_users: users waiting for review
       recent_users: Recent users
       search: Full-text search
       single_user_mode: Single user mode
@@ -271,6 +274,7 @@ en:
       week_interactions: interactions this week
       week_users_active: active this week
       week_users_new: users this week
+      whitelist_mode: Whitelist mode
     domain_allows:
       add_new: Whitelist domain
       created_msg: Domain has been successfully whitelisted
@@ -281,6 +285,7 @@ en:
       created_msg: Domain block is now being processed
       destroyed_msg: Domain block has been undone
       domain: Domain
+      edit: Edit domain block
       existing_domain_block_html: You have already imposed stricter limits on %{name}, you need to <a href="%{unblock_url}">unblock it</a> first.
       new:
         create: Create block
@@ -291,6 +296,10 @@ en:
           silence: Silence
           suspend: Suspend
         title: New domain block
+      private_comment: Private comment
+      private_comment_hint: Comment about this domain limitation for internal use by the moderators.
+      public_comment: Public comment
+      public_comment_hint: Comment about this domain limitation for the general public, if advertising the list of domain limitations is enabled.
       reject_media: Reject media files
       reject_media_hint: Removes locally stored media files and refuses to download any in the future. Irrelevant for suspensions
       reject_reports: Reject reports
@@ -310,6 +319,7 @@ en:
         title: Undo domain block for %{domain}
         undo: Undo
       undo: Undo domain block
+      view: View domain block
     email_domain_blocks:
       add_new: Add new
       created_msg: Successfully added e-mail domain to blacklist
@@ -333,6 +343,8 @@ en:
         all: All
         limited: Limited
         title: Moderation
+      private_comment: Private comment
+      public_comment: Public comment
       title: Federation
       total_blocked_by_us: Blocked by us
       total_followed_by_them: Followed by them
@@ -473,8 +485,8 @@ en:
         title: Custom terms of service
       site_title: Server name
       spam_check_enabled:
-        desc_html: Mastodon can auto-silence and auto-report accounts based on measures such as detecting accounts who send repeated unsolicited messages. There may be false positives.
-        title: Anti-spam
+        desc_html: Mastodon can auto-silence and auto-report accounts that send repeated unsolicited messages. There may be false positives.
+        title: Anti-spam automation
       thumbnail:
         desc_html: Used for previews via OpenGraph and API. 1200x630px recommended
         title: Server thumbnail
@@ -482,6 +494,9 @@ en:
         desc_html: Display public timeline on landing page
         title: Timeline preview
       title: Site settings
+      trends:
+        desc_html: Publicly display previously reviewed hashtags that are currently trending
+        title: Trending hashtags
     statuses:
       back_to_account: Back to account page
       batch:
@@ -496,13 +511,19 @@ en:
       title: Account statuses
       with_media: With media
     tags:
-      accounts: Accounts
-      hidden: Hidden
-      hide: Hide from directory
-      name: Hashtag
+      accounts_today: Unique uses today
+      accounts_week: Unique uses this week
+      breakdown: Breakdown of today's usage by source
+      context: Context
+      directory: In directory
+      in_directory: "%{count} in directory"
+      review: Review status
+      reviewed: Reviewed
       title: Hashtags
-      unhide: Show in directory
-      visible: Visible
+      trending_right_now: Trending right now
+      unique_uses_today: "%{count} posting today"
+      unreviewed: Not reviewed
+      updated_msg: Hashtag settings updated successfully
     title: Administration
     warning_presets:
       add_new: Add new
@@ -518,11 +539,15 @@ en:
       body: "%{reporter} has reported %{target}"
       body_remote: Someone from %{domain} has reported %{target}
       subject: New report for %{instance} (#%{id})
+    new_trending_tag:
+      body: 'The hashtag #%{name} is trending today, but has not been previously reviewed. It will not be displayed publicly unless you allow it to, or just save the form as it is to never hear about it again.'
+      subject: New hashtag up for review on %{instance} (#%{name})
   appearance:
     advanced_web_interface: Advanced web interface
     advanced_web_interface_hint: 'If you want to make use of your entire screen width, the advanced web interface allows you to configure many different columns to see as much information at the same time as you want: Home, notifications, federated timeline, any number of lists and hashtags.'
     animations_and_accessibility: Animations and accessibility
     confirmation_dialogs: Confirmation dialogs
+    discovery: Discovery
     sensitive_content: Sensitive content
   application_mailer:
     notification_preferences: Change e-mail preferences
@@ -570,6 +595,7 @@ en:
     status:
       account_status: Account status
       confirming: Waiting for e-mail confirmation to be completed.
+      functional: Your account is fully operational.
       pending: Your application is pending review by our staff. This may take some time. You will receive an e-mail if your application is approved.
     trouble_logging_in: Trouble logging in?
   authorize_follow:
@@ -954,6 +980,8 @@ en:
     pinned: Pinned toot
     reblogged: boosted
     sensitive_content: Sensitive content
+  tags:
+    does_not_match_previous_name: does not match the previous name
   terms:
     body_html: |
       <h2>Privacy Policy</h2>
diff --git a/config/locales/simple_form.en.yml b/config/locales/simple_form.en.yml
index cd74f08c8..5da0cc45d 100644
--- a/config/locales/simple_form.en.yml
+++ b/config/locales/simple_form.en.yml
@@ -53,6 +53,8 @@ en:
         text: This will help us review your application
       sessions:
         otp: 'Enter the two-factor code generated by your phone app or use one of your recovery codes:'
+      tag:
+        name: You can only change the casing of the letters, for example, to make it more readable
       user:
         chosen_languages: When checked, only toots in selected languages will be displayed in public timelines
     labels:
@@ -123,6 +125,8 @@ en:
         setting_show_application: Disclose application used to send toots
         setting_skin: Skin
         setting_system_font_ui: Use system's default font
+        setting_theme: Site theme
+        setting_trends: Show today's trends
         setting_unfollow_modal: Show confirmation dialog before unfollowing someone
         setting_use_blurhash: Show colorful gradients for hidden media
         setting_use_pending_items: Slow mode
@@ -148,6 +152,11 @@ en:
         pending_account: Send e-mail when a new account needs review
         reblog: Send e-mail when someone boosts your status
         report: Send e-mail when a new report is submitted
+        trending_tag: Send e-mail when an unreviewed hashtag is trending
+      tag:
+        listable: Allow this hashtag to appear on the profile directory
+        trendable: Allow this hashtag to appear under trends
+        usable: Allow toots to use this hashtag
     'no': 'No'
     recommended: Recommended
     required:
diff --git a/config/navigation.rb b/config/navigation.rb
index 0d50c2193..d6e196ee1 100644
--- a/config/navigation.rb
+++ b/config/navigation.rb
@@ -44,7 +44,7 @@ SimpleNavigation::Configuration.run do |navigation|
       s.item :reports, safe_join([fa_icon('flag fw'), t('admin.reports.title')]), admin_reports_url, highlights_on: %r{/admin/reports}
       s.item :accounts, safe_join([fa_icon('users fw'), t('admin.accounts.title')]), admin_accounts_url, highlights_on: %r{/admin/accounts|/admin/pending_accounts}
       s.item :invites, safe_join([fa_icon('user-plus fw'), t('admin.invites.title')]), admin_invites_path
-      s.item :tags, safe_join([fa_icon('tag fw'), t('admin.tags.title')]), admin_tags_path
+      s.item :tags, safe_join([fa_icon('hashtag fw'), t('admin.tags.title')]), admin_tags_path, highlights_on: %r{/admin/tags}
       s.item :instances, safe_join([fa_icon('cloud fw'), t('admin.instances.title')]), admin_instances_url(limited: whitelist_mode? ? nil : '1'), highlights_on: %r{/admin/instances|/admin/domain_blocks|/admin/domain_allows}, if: -> { current_user.admin? }
       s.item :email_domain_blocks, safe_join([fa_icon('envelope fw'), t('admin.email_domain_blocks.title')]), admin_email_domain_blocks_url, highlights_on: %r{/admin/email_domain_blocks}, if: -> { current_user.admin? }
     end
diff --git a/config/routes.rb b/config/routes.rb
index cdc1746b5..160640e0e 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -157,7 +157,11 @@ Rails.application.routes.draw do
     get '/dashboard', to: 'dashboard#index'
 
     resources :domain_allows, only: [:new, :create, :show, :destroy]
-    resources :domain_blocks, only: [:new, :create, :show, :destroy]
+    resources :domain_blocks, only: [:new, :create, :show, :destroy, :update] do
+      member do
+        get :edit
+      end
+    end
     resources :email_domain_blocks, only: [:index, :new, :create, :destroy]
     resources :action_logs, only: [:index]
     resources :warning_presets, except: [:new]
@@ -245,13 +249,7 @@ Rails.application.routes.draw do
     end
 
     resources :account_moderation_notes, only: [:create, :destroy]
-
-    resources :tags, only: [:index] do
-      member do
-        post :hide
-        post :unhide
-      end
-    end
+    resources :tags, only: [:index, :show, :update]
   end
 
   get '/admin', to: redirect('/admin/dashboard', status: 302)
@@ -322,6 +320,7 @@ Rails.application.routes.draw do
       resources :favourites,   only: [:index]
       resources :bookmarks,    only: [:index]
       resources :reports,      only: [:create]
+      resources :trends,       only: [:index]
       resources :filters,      only: [:index, :create, :show, :update, :destroy]
       resources :endorsements, only: [:index]
 
diff --git a/config/settings.yml b/config/settings.yml
index 328a25a5a..10836db3f 100644
--- a/config/settings.yml
+++ b/config/settings.yml
@@ -38,6 +38,7 @@ defaults: &defaults
   advanced_layout: false
   use_blurhash: true
   use_pending_items: false
+  trends: true
   notification_emails:
     follow: false
     reblog: false
@@ -47,6 +48,7 @@ defaults: &defaults
     digest: true
     report: true
     pending_account: true
+    trending_tag: true
   interactions:
     must_be_follower: false
     must_be_following: false
diff --git a/db/migrate/20190729185330_add_score_to_tags.rb b/db/migrate/20190729185330_add_score_to_tags.rb
new file mode 100644
index 000000000..75fee4b57
--- /dev/null
+++ b/db/migrate/20190729185330_add_score_to_tags.rb
@@ -0,0 +1,5 @@
+class AddScoreToTags < ActiveRecord::Migration[5.2]
+  def change
+    add_column :tags, :score, :int
+  end
+end
diff --git a/db/migrate/20190805123746_add_capabilities_to_tags.rb b/db/migrate/20190805123746_add_capabilities_to_tags.rb
new file mode 100644
index 000000000..43c7763b1
--- /dev/null
+++ b/db/migrate/20190805123746_add_capabilities_to_tags.rb
@@ -0,0 +1,9 @@
+class AddCapabilitiesToTags < ActiveRecord::Migration[5.2]
+  def change
+    add_column :tags, :usable, :boolean
+    add_column :tags, :trendable, :boolean
+    add_column :tags, :listable, :boolean
+    add_column :tags, :reviewed_at, :datetime
+    add_column :tags, :requested_review_at, :datetime
+  end
+end
diff --git a/db/migrate/20190807135426_add_comments_to_domain_blocks.rb b/db/migrate/20190807135426_add_comments_to_domain_blocks.rb
new file mode 100644
index 000000000..b660a71ad
--- /dev/null
+++ b/db/migrate/20190807135426_add_comments_to_domain_blocks.rb
@@ -0,0 +1,7 @@
+class AddCommentsToDomainBlocks < ActiveRecord::Migration[5.2]
+  def change
+    add_column :domain_blocks, :private_comment, :text
+    add_column :domain_blocks, :public_comment, :text
+  end
+end
+
diff --git a/db/schema.rb b/db/schema.rb
index f759ca346..e87c6831f 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: 2019_07_28_084117) do
+ActiveRecord::Schema.define(version: 2019_08_07_135426) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -269,6 +269,8 @@ ActiveRecord::Schema.define(version: 2019_07_28_084117) do
     t.integer "severity", default: 0
     t.boolean "reject_media", default: false, null: false
     t.boolean "reject_reports", default: false, null: false
+    t.text "private_comment"
+    t.text "public_comment"
     t.index ["domain"], name: "index_domain_blocks_on_domain", unique: true
   end
 
@@ -672,6 +674,12 @@ ActiveRecord::Schema.define(version: 2019_07_28_084117) do
     t.string "name", default: "", null: false
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
+    t.integer "score"
+    t.boolean "usable"
+    t.boolean "trendable"
+    t.boolean "listable"
+    t.datetime "reviewed_at"
+    t.datetime "requested_review_at"
     t.index "lower((name)::text)", name: "index_tags_on_name_lower", unique: true
   end
 
diff --git a/lib/mastodon/domains_cli.rb b/lib/mastodon/domains_cli.rb
index f30062363..17cafd1bc 100644
--- a/lib/mastodon/domains_cli.rb
+++ b/lib/mastodon/domains_cli.rb
@@ -58,6 +58,7 @@ module Mastodon
     option :concurrency, type: :numeric, default: 50, aliases: [:c]
     option :silent, type: :boolean, default: false, aliases: [:s]
     option :format, type: :string, default: 'summary', aliases: [:f]
+    option :exclude_suspended, type: :boolean, default: false, aliases: [:x]
     desc 'crawl [START]', 'Crawl all known peers, optionally beginning at START'
     long_desc <<-LONG_DESC
       Crawl the fediverse by using the Mastodon REST API endpoints that expose
@@ -74,18 +75,25 @@ module Mastodon
       default (`summary`), a summary of the statistics is returned. The other options
       are `domains`, which returns a newline-delimited list of all discovered peers,
       and `json`, which dumps all the aggregated data raw.
+
+      The --exclude-suspended (-x) option means that domains that are suspended
+      instance-wide do not appear in the output and are not included in summaries.
+      This also excludes subdomains of any of those domains.
     LONG_DESC
     def crawl(start = nil)
-      stats     = Concurrent::Hash.new
-      processed = Concurrent::AtomicFixnum.new(0)
-      failed    = Concurrent::AtomicFixnum.new(0)
-      start_at  = Time.now.to_f
-      seed      = start ? [start] : Account.remote.domains
+      stats           = Concurrent::Hash.new
+      processed       = Concurrent::AtomicFixnum.new(0)
+      failed          = Concurrent::AtomicFixnum.new(0)
+      start_at        = Time.now.to_f
+      seed            = start ? [start] : Account.remote.domains
+      blocked_domains = Regexp.new('\\.?' + DomainBlock.where(severity: 1).pluck(:domain).join('|') + '$')
 
       pool = Concurrent::ThreadPoolExecutor.new(min_threads: 0, max_threads: options[:concurrency], idletime: 10, auto_terminate: true, max_queue: 0)
 
       work_unit = ->(domain) do
         next if stats.key?(domain)
+        next if options[:exclude_suspended] && domain.match(blocked_domains)
+
         stats[domain] = nil
         processed.increment
 
diff --git a/package.json b/package.json
index 677523508..43124ecda 100644
--- a/package.json
+++ b/package.json
@@ -67,7 +67,7 @@
     "@babel/plugin-syntax-dynamic-import": "^7.2.0",
     "@babel/plugin-transform-react-inline-elements": "^7.2.0",
     "@babel/plugin-transform-react-jsx-self": "^7.2.0",
-    "@babel/plugin-transform-react-jsx-source": "^7.2.0",
+    "@babel/plugin-transform-react-jsx-source": "^7.5.0",
     "@babel/plugin-transform-runtime": "^7.4.4",
     "@babel/preset-env": "^7.5.5",
     "@babel/preset-react": "^7.0.0",
@@ -164,7 +164,7 @@
     "webpack": "^4.35.3",
     "webpack-assets-manifest": "^3.1.1",
     "webpack-bundle-analyzer": "^3.3.2",
-    "webpack-cli": "^3.3.5",
+    "webpack-cli": "^3.3.6",
     "webpack-merge": "^4.2.1",
     "websocket.js": "^0.1.12"
   },
@@ -177,7 +177,7 @@
     "eslint-plugin-import": "~2.18.0",
     "eslint-plugin-jsx-a11y": "~6.2.3",
     "eslint-plugin-promise": "~4.2.1",
-    "eslint-plugin-react": "~7.14.2",
+    "eslint-plugin-react": "~7.14.3",
     "jest": "^24.8.0",
     "raf": "^3.4.1",
     "react-intl-translations-manager": "^5.0.3",
diff --git a/spec/controllers/admin/tags_controller_spec.rb b/spec/controllers/admin/tags_controller_spec.rb
index 3af994071..5c1944fc7 100644
--- a/spec/controllers/admin/tags_controller_spec.rb
+++ b/spec/controllers/admin/tags_controller_spec.rb
@@ -10,62 +10,14 @@ RSpec.describe Admin::TagsController, type: :controller do
   end
 
   describe 'GET #index' do
-    before do
-      account_tag_stat = Fabricate(:tag).account_tag_stat
-      account_tag_stat.update(hidden: hidden, accounts_count: 1)
-      get :index, params: { hidden: hidden }
-    end
-
-    context 'with hidden tags' do
-      let(:hidden) { true }
-
-      it 'returns status 200' do
-        expect(response).to have_http_status(200)
-      end
-    end
-
-    context 'without hidden tags' do
-      let(:hidden) { false }
-
-      it 'returns status 200' do
-        expect(response).to have_http_status(200)
-      end
-    end
-  end
-
-  describe 'POST #hide' do
-    let(:tag) { Fabricate(:tag) }
+    let!(:tag) { Fabricate(:tag) }
 
     before do
-      tag.account_tag_stat.update(hidden: false)
-      post :hide, params: { id: tag.id }
-    end
-
-    it 'hides tag' do
-      tag.reload
-      expect(tag).to be_hidden
-    end
-
-    it 'redirects to admin_tags_path' do
-      expect(response).to redirect_to(admin_tags_path(controller.instance_variable_get(:@filter_params)))
-    end
-  end
-
-  describe 'POST #unhide' do
-    let(:tag) { Fabricate(:tag) }
-
-    before do
-      tag.account_tag_stat.update(hidden: true)
-      post :unhide, params: { id: tag.id }
-    end
-
-    it 'unhides tag' do
-      tag.reload
-      expect(tag).not_to be_hidden
+      get :index
     end
 
-    it 'redirects to admin_tags_path' do
-      expect(response).to redirect_to(admin_tags_path(controller.instance_variable_get(:@filter_params)))
+    it 'returns status 200' do
+      expect(response).to have_http_status(200)
     end
   end
 end
diff --git a/spec/controllers/settings/identity_proofs_controller_spec.rb b/spec/controllers/settings/identity_proofs_controller_spec.rb
index 2a0f91088..261e980d4 100644
--- a/spec/controllers/settings/identity_proofs_controller_spec.rb
+++ b/spec/controllers/settings/identity_proofs_controller_spec.rb
@@ -8,8 +8,8 @@ describe Settings::IdentityProofsController do
   let(:valid_token) { '1'*66 }
   let(:kbname) { 'kbuser' }
   let(:provider) { 'keybase' }
-  let(:findable_id) { Faker::Number.number(5) }
-  let(:unfindable_id) { Faker::Number.number(5) }
+  let(:findable_id) { Faker::Number.number(digits: 5) }
+  let(:unfindable_id) { Faker::Number.number(digits: 5) }
   let(:new_proof_params) do
     { provider: provider, provider_username: kbname, token: valid_token, username: user.account.username }
   end
diff --git a/spec/controllers/well_known/webfinger_controller_spec.rb b/spec/controllers/well_known/webfinger_controller_spec.rb
index b05745ea3..20275aa63 100644
--- a/spec/controllers/well_known/webfinger_controller_spec.rb
+++ b/spec/controllers/well_known/webfinger_controller_spec.rb
@@ -56,17 +56,6 @@ PEM
       expect(json[:aliases]).to include('https://cb6e6126.ngrok.io/@alice', 'https://cb6e6126.ngrok.io/users/alice')
     end
 
-    it 'returns JSON when account can be found' do
-      get :show, params: { resource: alice.to_webfinger_s }, format: :xml
-
-      xml = Nokogiri::XML(response.body)
-
-      expect(response).to have_http_status(200)
-      expect(response.content_type).to eq 'application/xrd+xml'
-      expect(xml.at_xpath('//xmlns:Subject').content).to eq 'acct:alice@cb6e6126.ngrok.io'
-      expect(xml.xpath('//xmlns:Alias').map(&:content)).to include('https://cb6e6126.ngrok.io/@alice', 'https://cb6e6126.ngrok.io/users/alice')
-    end
-
     it 'returns http not found when account cannot be found' do
       get :show, params: { resource: 'acct:not@existing.com' }, format: :json
 
diff --git a/spec/fabricators/account_fabricator.rb b/spec/fabricators/account_fabricator.rb
index f12464ef3..ab900c5fa 100644
--- a/spec/fabricators/account_fabricator.rb
+++ b/spec/fabricators/account_fabricator.rb
@@ -4,7 +4,7 @@ private_key = keypair.to_pem
 
 Fabricator(:account) do
   transient :suspended, :silenced
-  username            { sequence(:username) { |i| "#{Faker::Internet.user_name(nil, %w(_))}#{i}" } }
+  username            { sequence(:username) { |i| "#{Faker::Internet.user_name(separators: %w(_))}#{i}" } }
   last_webfingered_at { Time.now.utc }
   public_key          { public_key }
   private_key         { private_key }
diff --git a/spec/fabricators/account_identity_proof_fabricator.rb b/spec/fabricators/account_identity_proof_fabricator.rb
index 94f40dfd6..7b932fa96 100644
--- a/spec/fabricators/account_identity_proof_fabricator.rb
+++ b/spec/fabricators/account_identity_proof_fabricator.rb
@@ -1,7 +1,7 @@
 Fabricator(:account_identity_proof) do
   account
   provider 'keybase'
-  provider_username { sequence(:provider_username) { |i| "#{Faker::Lorem.characters(15)}" } }
+  provider_username { sequence(:provider_username) { |i| "#{Faker::Lorem.characters(number: 15)}" } }
   token { sequence(:token) { |i| "#{i}#{Faker::Crypto.sha1()*2}"[0..65] } }
   verified false
   live false
diff --git a/spec/lib/feed_manager_spec.rb b/spec/lib/feed_manager_spec.rb
index d00dd0b55..705e577a6 100644
--- a/spec/lib/feed_manager_spec.rb
+++ b/spec/lib/feed_manager_spec.rb
@@ -254,6 +254,23 @@ RSpec.describe FeedManager do
         expect(FeedManager.instance.push_to_home(account, reblogs.last)).to be false
       end
 
+      it 'saves a new reblog of a recently-reblogged status when previous reblog has been deleted' do
+        account = Fabricate(:account)
+        reblogged = Fabricate(:status)
+        old_reblog = Fabricate(:status, reblog: reblogged)
+
+        # The first reblog should be accepted
+        expect(FeedManager.instance.push_to_home(account, old_reblog)).to be true
+
+        # The first reblog should be successfully removed
+        expect(FeedManager.instance.unpush_from_home(account, old_reblog)).to be true
+
+        reblog = Fabricate(:status, reblog: reblogged)
+
+        # The second reblog should be accepted
+        expect(FeedManager.instance.push_to_home(account, reblog)).to be true
+      end
+
       it 'does not save a new reblog of a multiply-reblogged-then-unreblogged status' do
         account   = Fabricate(:account)
         reblogged = Fabricate(:status)
diff --git a/spec/models/account_spec.rb b/spec/models/account_spec.rb
index 3a17d540a..3eec464bd 100644
--- a/spec/models/account_spec.rb
+++ b/spec/models/account_spec.rb
@@ -607,19 +607,19 @@ RSpec.describe Account, type: :model do
       end
 
       it 'is invalid if the username is longer then 30 characters' do
-        account = Fabricate.build(:account, username: Faker::Lorem.characters(31))
+        account = Fabricate.build(:account, username: Faker::Lorem.characters(number: 31))
         account.valid?
         expect(account).to model_have_error_on_field(:username)
       end
 
       it 'is invalid if the display name is longer than 30 characters' do
-        account = Fabricate.build(:account, display_name: Faker::Lorem.characters(31))
+        account = Fabricate.build(:account, display_name: Faker::Lorem.characters(number: 31))
         account.valid?
         expect(account).to model_have_error_on_field(:display_name)
       end
 
       it 'is invalid if the note is longer than 500 characters' do
-        account = Fabricate.build(:account, note: Faker::Lorem.characters(501))
+        account = Fabricate.build(:account, note: Faker::Lorem.characters(number: 501))
         account.valid?
         expect(account).to model_have_error_on_field(:note)
       end
@@ -653,19 +653,19 @@ RSpec.describe Account, type: :model do
       end
 
       it 'is valid even if the username is longer then 30 characters' do
-        account = Fabricate.build(:account, domain: 'domain', username: Faker::Lorem.characters(31))
+        account = Fabricate.build(:account, domain: 'domain', username: Faker::Lorem.characters(number: 31))
         account.valid?
         expect(account).not_to model_have_error_on_field(:username)
       end
 
       it 'is valid even if the display name is longer than 30 characters' do
-        account = Fabricate.build(:account, domain: 'domain', display_name: Faker::Lorem.characters(31))
+        account = Fabricate.build(:account, domain: 'domain', display_name: Faker::Lorem.characters(number: 31))
         account.valid?
         expect(account).not_to model_have_error_on_field(:display_name)
       end
 
       it 'is valid even if the note is longer than 500 characters' do
-        account = Fabricate.build(:account, domain: 'domain', note: Faker::Lorem.characters(501))
+        account = Fabricate.build(:account, domain: 'domain', note: Faker::Lorem.characters(number: 501))
         account.valid?
         expect(account).not_to model_have_error_on_field(:note)
       end
@@ -804,7 +804,7 @@ RSpec.describe Account, type: :model do
   context 'when is local' do
     # Test disabled because test environment omits autogenerating keys for performance
     xit 'generates keys' do
-      account = Account.create!(domain: nil, username: Faker::Internet.user_name(nil, ['_']))
+      account = Account.create!(domain: nil, username: Faker::Internet.user_name(separators: ['_']))
       expect(account.keypair.private?).to eq true
     end
   end
@@ -812,12 +812,12 @@ RSpec.describe Account, type: :model do
   context 'when is remote' do
     it 'does not generate keys' do
       key = OpenSSL::PKey::RSA.new(1024).public_key
-      account = Account.create!(domain: 'remote', username: Faker::Internet.user_name(nil, ['_']), public_key: key.to_pem)
+      account = Account.create!(domain: 'remote', username: Faker::Internet.user_name(separators: ['_']), public_key: key.to_pem)
       expect(account.keypair.params).to eq key.params
     end
 
     it 'normalizes domain' do
-      account = Account.create!(domain: 'にゃん', username: Faker::Internet.user_name(nil, ['_']))
+      account = Account.create!(domain: 'にゃん', username: Faker::Internet.user_name(separators: ['_']))
       expect(account.domain).to eq 'xn--r9j5b5b'
     end
   end
diff --git a/spec/models/report_spec.rb b/spec/models/report_spec.rb
index a0cd0800d..312954c9d 100644
--- a/spec/models/report_spec.rb
+++ b/spec/models/report_spec.rb
@@ -125,7 +125,7 @@ describe Report do
     end
 
     it 'is invalid if comment is longer than 1000 characters' do
-      report = Fabricate.build(:report, comment: Faker::Lorem.characters(1001))
+      report = Fabricate.build(:report, comment: Faker::Lorem.characters(number: 1001))
       report.valid?
       expect(report).to model_have_error_on_field(:comment)
     end
diff --git a/spec/models/tag_spec.rb b/spec/models/tag_spec.rb
index 5f07fd618..9d700849b 100644
--- a/spec/models/tag_spec.rb
+++ b/spec/models/tag_spec.rb
@@ -136,8 +136,8 @@ RSpec.describe Tag, type: :model do
     end
 
     it 'finds the exact matching tag as the first item' do
-      similar_tag = Fabricate(:tag, name: "matchlater")
-      tag = Fabricate(:tag, name: "match")
+      similar_tag = Fabricate(:tag, name: "matchlater", score: 1)
+      tag = Fabricate(:tag, name: "match", score: 1)
 
       results = Tag.search_for("match")
 
diff --git a/spec/policies/tag_policy_spec.rb b/spec/policies/tag_policy_spec.rb
index c7afaa7c9..c63875dc0 100644
--- a/spec/policies/tag_policy_spec.rb
+++ b/spec/policies/tag_policy_spec.rb
@@ -8,7 +8,7 @@ RSpec.describe TagPolicy do
   let(:admin)   { Fabricate(:user, admin: true).account }
   let(:john)    { Fabricate(:user).account }
 
-  permissions :index?, :hide?, :unhide? do
+  permissions :index?, :show?, :update? do
     context 'staff?' do
       it 'permits' do
         expect(subject).to permit(admin, Tag)
diff --git a/spec/requests/webfinger_request_spec.rb b/spec/requests/webfinger_request_spec.rb
index 7f9e1162e..48823714e 100644
--- a/spec/requests/webfinger_request_spec.rb
+++ b/spec/requests/webfinger_request_spec.rb
@@ -12,23 +12,6 @@ describe 'The webfinger route' do
     end
   end
 
-  describe 'asking for xml format' do
-    it 'returns an xml response for xml format' do
-      get webfinger_url(resource: alice.to_webfinger_s, format: :xml)
-
-      expect(response).to have_http_status(200)
-      expect(response.content_type).to eq 'application/xrd+xml'
-    end
-
-    it 'returns an xml response for xml accept header' do
-      headers = { 'HTTP_ACCEPT' => 'application/xrd+xml' }
-      get webfinger_url(resource: alice.to_webfinger_s), headers: headers
-
-      expect(response).to have_http_status(200)
-      expect(response.content_type).to eq 'application/xrd+xml'
-    end
-  end
-
   describe 'asking for json format' do
     it 'returns a json response for json format' do
       get webfinger_url(resource: alice.to_webfinger_s, format: :json)
diff --git a/spec/services/unblock_domain_service_spec.rb b/spec/services/unblock_domain_service_spec.rb
index 619aefb5c..27dbc92ad 100644
--- a/spec/services/unblock_domain_service_spec.rb
+++ b/spec/services/unblock_domain_service_spec.rb
@@ -31,7 +31,7 @@ describe UnblockDomainService, type: :service do
       subject.call(@domain_block)
       expect_deleted_domain_block
       expect(@suspended.reload.suspended?).to be false
-      expect(@silenced.reload.silenced?).to be true
+      expect(@silenced.reload.silenced?).to be false
       expect(@independently_suspended.reload.suspended?).to be true
       expect(@independently_silenced.reload.silenced?).to be true
     end
diff --git a/spec/validators/disallowed_hashtags_validator_spec.rb b/spec/validators/disallowed_hashtags_validator_spec.rb
index 8ec1302ab..9deec0bb9 100644
--- a/spec/validators/disallowed_hashtags_validator_spec.rb
+++ b/spec/validators/disallowed_hashtags_validator_spec.rb
@@ -3,42 +3,44 @@
 require 'rails_helper'
 
 RSpec.describe DisallowedHashtagsValidator, type: :validator do
+  let(:disallowed_tags) { [] }
+
   describe '#validate' do
     before do
-      allow_any_instance_of(described_class).to receive(:select_tags) { tags }
+      disallowed_tags.each { |name| Fabricate(:tag, name: name, usable: false) }
       described_class.new.validate(status)
     end
 
-    let(:status) { double(errors: errors, local?: local, reblog?: reblog, text: '') }
+    let(:status) { double(errors: errors, local?: local, reblog?: reblog, text: disallowed_tags.map { |x| '#' + x }.join(' ')) }
     let(:errors) { double(add: nil) }
 
-    context 'unless status.local? && !status.reblog?' do
+    context 'for a remote reblog' do
       let(:local)  { false }
       let(:reblog) { true }
 
-      it 'not calls errors.add' do
+      it 'does not add errors' do
         expect(errors).not_to have_received(:add).with(:text, any_args)
       end
     end
 
-    context 'status.local? && !status.reblog?' do
+    context 'for a local original status' do
       let(:local)  { true }
       let(:reblog) { false }
 
-      context 'tags.empty?' do
-        let(:tags) { [] }
+      context 'when does not contain any disallowed hashtags' do
+        let(:disallowed_tags) { [] }
 
-        it 'not calls errors.add' do
+        it 'does not add errors' do
           expect(errors).not_to have_received(:add).with(:text, any_args)
         end
       end
 
-      context '!tags.empty?' do
-        let(:tags) { %w(a b c) }
+      context 'when contains disallowed hashtags' do
+        let(:disallowed_tags) { %w(a b c) }
 
-        it 'calls errors.add' do
+        it 'adds an error' do
           expect(errors).to have_received(:add)
-            .with(:text, I18n.t('statuses.disallowed_hashtags', tags: tags.join(', '), count: tags.size))
+            .with(:text, I18n.t('statuses.disallowed_hashtags', tags: disallowed_tags.join(', '), count: disallowed_tags.size))
         end
       end
     end
diff --git a/spec/workers/domain_block_worker_spec.rb b/spec/workers/domain_block_worker_spec.rb
index c4138501f..48b3e38c4 100644
--- a/spec/workers/domain_block_worker_spec.rb
+++ b/spec/workers/domain_block_worker_spec.rb
@@ -14,7 +14,7 @@ describe DomainBlockWorker do
       result = subject.perform(domain_block.id)
 
       expect(result).to be_nil
-      expect(service).to have_received(:call).with(domain_block)
+      expect(service).to have_received(:call).with(domain_block, false)
     end
 
     it 'calls domain block service for relevant domain block' do
diff --git a/yarn.lock b/yarn.lock
index 6707f2d8d..5267f8d7c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -643,10 +643,10 @@
     "@babel/helper-plugin-utils" "^7.0.0"
     "@babel/plugin-syntax-jsx" "^7.2.0"
 
-"@babel/plugin-transform-react-jsx-source@^7.0.0", "@babel/plugin-transform-react-jsx-source@^7.2.0":
-  version "7.2.0"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-react-jsx-source/-/plugin-transform-react-jsx-source-7.2.0.tgz#20c8c60f0140f5dd3cd63418d452801cf3f7180f"
-  integrity sha512-A32OkKTp4i5U6aE88GwwcuV4HAprUgHcTq0sSafLxjr6AW0QahrCRCjxogkbbcdtpbXkuTOlgpjophCxb6sh5g==
+"@babel/plugin-transform-react-jsx-source@^7.0.0", "@babel/plugin-transform-react-jsx-source@^7.5.0":
+  version "7.5.0"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-react-jsx-source/-/plugin-transform-react-jsx-source-7.5.0.tgz#583b10c49cf057e237085bcbd8cc960bd83bd96b"
+  integrity sha512-58Q+Jsy4IDCZx7kqEZuSDdam/1oW8OdDX8f+Loo6xyxdfg1yF0GE2XNJQSTZCaMol93+FBzpWiPEwtbMloAcPg==
   dependencies:
     "@babel/helper-plugin-utils" "^7.0.0"
     "@babel/plugin-syntax-jsx" "^7.2.0"
@@ -3734,10 +3734,10 @@ eslint-plugin-promise@~4.2.1:
   resolved "https://registry.yarnpkg.com/eslint-plugin-promise/-/eslint-plugin-promise-4.2.1.tgz#845fd8b2260ad8f82564c1222fce44ad71d9418a"
   integrity sha512-VoM09vT7bfA7D+upt+FjeBO5eHIJQBUWki1aPvB+vbNiHS3+oGIJGIeyBtKQTME6UPXXy3vV07OL1tHd3ANuDw==
 
-eslint-plugin-react@~7.14.2:
-  version "7.14.2"
-  resolved "https://registry.yarnpkg.com/eslint-plugin-react/-/eslint-plugin-react-7.14.2.tgz#94c193cc77a899ac0ecbb2766fbef88685b7ecc1"
-  integrity sha512-jZdnKe3ip7FQOdjxks9XPN0pjUKZYq48OggNMd16Sk+8VXx6JOvXmlElxROCgp7tiUsTsze3jd78s/9AFJP2mA==
+eslint-plugin-react@~7.14.3:
+  version "7.14.3"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-react/-/eslint-plugin-react-7.14.3.tgz#911030dd7e98ba49e1b2208599571846a66bdf13"
+  integrity sha512-EzdyyBWC4Uz2hPYBiEJrKCUi2Fn+BJ9B/pJQcjw5X+x/H2Nm59S4MJIvL4O5NEE0+WbnQwEBxWY03oUk+Bc3FA==
   dependencies:
     array-includes "^3.0.3"
     doctrine "^2.1.0"
@@ -10337,10 +10337,10 @@ webpack-bundle-analyzer@^3.3.2:
     opener "^1.5.1"
     ws "^6.0.0"
 
-webpack-cli@^3.3.5:
-  version "3.3.5"
-  resolved "https://registry.yarnpkg.com/webpack-cli/-/webpack-cli-3.3.5.tgz#f4d1238a66a2843d9cebf189835ea22142e72767"
-  integrity sha512-w0j/s42c5UhchwTmV/45MLQnTVwRoaUTu9fM5LuyOd/8lFoCNCELDogFoecx5NzRUndO0yD/gF2b02XKMnmAWQ==
+webpack-cli@^3.3.6:
+  version "3.3.6"
+  resolved "https://registry.yarnpkg.com/webpack-cli/-/webpack-cli-3.3.6.tgz#2c8c399a2642133f8d736a359007a052e060032c"
+  integrity sha512-0vEa83M7kJtxK/jUhlpZ27WHIOndz5mghWL2O53kiDoA9DIxSKnfqB92LoqEn77cT4f3H2cZm1BMEat/6AZz3A==
   dependencies:
     chalk "2.4.2"
     cross-spawn "6.0.5"