diff --git a/.github/workflows/rebase-needed.yml b/.github/workflows/rebase-needed.yml
index 295039c414..06d835c090 100644
--- a/.github/workflows/rebase-needed.yml
+++ b/.github/workflows/rebase-needed.yml
@@ -23,5 +23,5 @@ jobs:
           repoToken: '${{ secrets.GITHUB_TOKEN }}'
           commentOnClean: This pull request has resolved merge conflicts and is ready for review.
           commentOnDirty: This pull request has merge conflicts that must be resolved before it can be merged.
-          retryMax: 10
+          retryMax: 30
           continueOnMissingPermissions: false
diff --git a/.haml-lint_todo.yml b/.haml-lint_todo.yml
index 31b79f7db2..94aeadfff0 100644
--- a/.haml-lint_todo.yml
+++ b/.haml-lint_todo.yml
@@ -1,17 +1,13 @@
 # This configuration was generated by
 # `haml-lint --auto-gen-config`
-# on 2023-07-11 23:58:05 +0200 using Haml-Lint version 0.48.0.
+# on 2023-07-17 12:00:21 -0400 using Haml-Lint version 0.48.0.
 # The point is for the user to remove these configuration records
 # one by one as the lints are removed from the code base.
 # Note that changes in the inspected code, or installation of new
 # versions of Haml-Lint, may require this file to be generated again.
 
 linters:
-  # Offense count: 94
-  RuboCop:
-    enabled: false
-
-  # Offense count: 960
+  # Offense count: 959
   LineLength:
     enabled: false
 
@@ -19,6 +15,10 @@ linters:
   UnnecessaryStringOutput:
     enabled: false
 
+  # Offense count: 67
+  RuboCop:
+    enabled: false
+
   # Offense count: 3
   ViewLength:
     exclude:
diff --git a/app/controllers/api/v1/tags_controller.rb b/app/controllers/api/v1/tags_controller.rb
index 284ec85937..672535a018 100644
--- a/app/controllers/api/v1/tags_controller.rb
+++ b/app/controllers/api/v1/tags_controller.rb
@@ -19,6 +19,7 @@ class Api::V1::TagsController < Api::BaseController
 
   def unfollow
     TagFollow.find_by(account: current_account, tag: @tag)&.destroy!
+    TagUnmergeWorker.perform_async(@tag.id, current_account.id)
     render json: @tag, serializer: REST::TagSerializer
   end
 
diff --git a/app/javascript/flavours/glitch/components/column_back_button.jsx b/app/javascript/flavours/glitch/components/column_back_button.jsx
index 0934d4b335..5a11a3d5ea 100644
--- a/app/javascript/flavours/glitch/components/column_back_button.jsx
+++ b/app/javascript/flavours/glitch/components/column_back_button.jsx
@@ -20,9 +20,7 @@ export default class ColumnBackButton extends PureComponent {
   handleClick = () => {
     const { router } = this.context;
 
-    // Check if there is a previous page in the app to go back to per https://stackoverflow.com/a/70532858/9703201
-    // When upgrading to V6, check `location.key !== 'default'` instead per https://github.com/remix-run/history/blob/main/docs/api-reference.md#location
-    if (router.route.location.key) {
+    if (router.history.location?.state?.fromMastodon) {
       router.history.goBack();
     } else {
       router.history.push('/');
diff --git a/app/javascript/flavours/glitch/components/column_header.jsx b/app/javascript/flavours/glitch/components/column_header.jsx
index e8c056c0bf..8a68036e9c 100644
--- a/app/javascript/flavours/glitch/components/column_header.jsx
+++ b/app/javascript/flavours/glitch/components/column_header.jsx
@@ -65,9 +65,7 @@ class ColumnHeader extends PureComponent {
   handleBackClick = () => {
     const { router } = this.context;
 
-    // Check if there is a previous page in the app to go back to per https://stackoverflow.com/a/70532858/9703201
-    // When upgrading to V6, check `location.key !== 'default'` instead per https://github.com/remix-run/history/blob/main/docs/api-reference.md#location
-    if (router.route.location.key) {
+    if (router.history.location?.state?.fromMastodon) {
       router.history.goBack();
     } else {
       router.history.push('/');
@@ -87,6 +85,7 @@ class ColumnHeader extends PureComponent {
   };
 
   render () {
+    const { router } = this.context;
     const { title, icon, active, children, pinned, multiColumn, extraButton, showBackButton, intl: { formatMessage }, placeholder, appendContent, collapseIssues } = this.props;
     const { collapsed, animating } = this.state;
 
@@ -130,7 +129,7 @@ class ColumnHeader extends PureComponent {
       pinButton = <button key='pin-button' className='text-btn column-header__setting-btn' onClick={this.handlePin}><Icon id='plus' /> <FormattedMessage id='column_header.pin' defaultMessage='Pin' /></button>;
     }
 
-    if (!pinned && (multiColumn || showBackButton)) {
+    if (!pinned && ((multiColumn && router.history.location?.state?.fromMastodon) || showBackButton)) {
       backButton = (
         <button onClick={this.handleBackClick} className='column-header__back-button'>
           <Icon id='chevron-left' className='column-back-button__icon' fixedWidth />
diff --git a/app/javascript/flavours/glitch/components/router.tsx b/app/javascript/flavours/glitch/components/router.tsx
index 018f66e159..f093716517 100644
--- a/app/javascript/flavours/glitch/components/router.tsx
+++ b/app/javascript/flavours/glitch/components/router.tsx
@@ -1,16 +1,26 @@
 import type { PropsWithChildren } from 'react';
 import React from 'react';
 
-import type { History } from 'history';
 import { createBrowserHistory } from 'history';
 import { Router as OriginalRouter } from 'react-router';
 
 import { layoutFromWindow } from 'flavours/glitch/is_mobile';
 
-const browserHistory = createBrowserHistory();
-const originalPush = browserHistory.push.bind(browserHistory);
+interface MastodonLocationState {
+  fromMastodon?: boolean;
+  mastodonModalKey?: string;
+}
+
+const browserHistory = createBrowserHistory<
+  MastodonLocationState | undefined
+>();
+const originalPush = browserHistory.push.bind(browserHistory);
+const originalReplace = browserHistory.replace.bind(browserHistory);
+
+browserHistory.push = (path: string, state?: MastodonLocationState) => {
+  state = state ?? {};
+  state.fromMastodon = true;
 
-browserHistory.push = (path: string, state: History.LocationState) => {
   if (layoutFromWindow() === 'multi-column' && !path.startsWith('/deck')) {
     originalPush(`/deck${path}`, state);
   } else {
@@ -18,6 +28,19 @@ browserHistory.push = (path: string, state: History.LocationState) => {
   }
 };
 
+browserHistory.replace = (path: string, state?: MastodonLocationState) => {
+  if (browserHistory.location.state?.fromMastodon) {
+    state = state ?? {};
+    state.fromMastodon = true;
+  }
+
+  if (layoutFromWindow() === 'multi-column' && !path.startsWith('/deck')) {
+    originalReplace(`/deck${path}`, state);
+  } else {
+    originalReplace(path, state);
+  }
+};
+
 export const Router: React.FC<PropsWithChildren> = ({ children }) => {
   return <OriginalRouter history={browserHistory}>{children}</OriginalRouter>;
 };
diff --git a/app/javascript/flavours/glitch/features/ui/index.jsx b/app/javascript/flavours/glitch/features/ui/index.jsx
index cbd2637afb..df25b90a12 100644
--- a/app/javascript/flavours/glitch/features/ui/index.jsx
+++ b/app/javascript/flavours/glitch/features/ui/index.jsx
@@ -528,11 +528,12 @@ class UI extends Component {
   };
 
   handleHotkeyBack = () => {
-    // if history is exhausted, or we would leave mastodon, just go to root.
-    if (window.history.state) {
-      this.props.history.goBack();
+    const { history } = this.props;
+
+    if (history.location?.state?.fromMastodon) {
+      history.goBack();
     } else {
-      this.props.history.push('/');
+      history.push('/');
     }
   };
 
diff --git a/app/javascript/mastodon/components/column_back_button.jsx b/app/javascript/mastodon/components/column_back_button.jsx
index 38ffa607a9..74a03b093a 100644
--- a/app/javascript/mastodon/components/column_back_button.jsx
+++ b/app/javascript/mastodon/components/column_back_button.jsx
@@ -23,9 +23,7 @@ export default class ColumnBackButton extends PureComponent {
 
     if (onClick) {
       onClick();
-    // Check if there is a previous page in the app to go back to per https://stackoverflow.com/a/70532858/9703201
-    // When upgrading to V6, check `location.key !== 'default'` instead per https://github.com/remix-run/history/blob/main/docs/api-reference.md#location
-    } else if (router.route.location.key) {
+    } else if (router.history.location?.state?.fromMastodon) {
       router.history.goBack();
     } else {
       router.history.push('/');
diff --git a/app/javascript/mastodon/components/column_header.jsx b/app/javascript/mastodon/components/column_header.jsx
index 89eade262e..9d29bbae03 100644
--- a/app/javascript/mastodon/components/column_header.jsx
+++ b/app/javascript/mastodon/components/column_header.jsx
@@ -63,10 +63,12 @@ class ColumnHeader extends PureComponent {
   };
 
   handleBackClick = () => {
-    if (window.history && window.history.state) {
-      this.context.router.history.goBack();
+    const { router } = this.context;
+
+    if (router.history.location?.state?.fromMastodon) {
+      router.history.goBack();
     } else {
-      this.context.router.history.push('/');
+      router.history.push('/');
     }
   };
 
@@ -83,6 +85,7 @@ class ColumnHeader extends PureComponent {
   };
 
   render () {
+    const { router } = this.context;
     const { title, icon, active, children, pinned, multiColumn, extraButton, showBackButton, intl: { formatMessage }, placeholder, appendContent, collapseIssues } = this.props;
     const { collapsed, animating } = this.state;
 
@@ -126,7 +129,7 @@ class ColumnHeader extends PureComponent {
       pinButton = <button key='pin-button' className='text-btn column-header__setting-btn' onClick={this.handlePin}><Icon id='plus' /> <FormattedMessage id='column_header.pin' defaultMessage='Pin' /></button>;
     }
 
-    if (!pinned && (multiColumn || showBackButton)) {
+    if (!pinned && ((multiColumn && router.history.location?.state?.fromMastodon) || showBackButton)) {
       backButton = (
         <button onClick={this.handleBackClick} className='column-header__back-button'>
           <Icon id='chevron-left' className='column-back-button__icon' fixedWidth />
diff --git a/app/javascript/mastodon/components/router.tsx b/app/javascript/mastodon/components/router.tsx
index c82711790b..4c13e7f40b 100644
--- a/app/javascript/mastodon/components/router.tsx
+++ b/app/javascript/mastodon/components/router.tsx
@@ -1,16 +1,26 @@
 import type { PropsWithChildren } from 'react';
 import React from 'react';
 
-import type { History } from 'history';
 import { createBrowserHistory } from 'history';
 import { Router as OriginalRouter } from 'react-router';
 
 import { layoutFromWindow } from 'mastodon/is_mobile';
 
-const browserHistory = createBrowserHistory();
-const originalPush = browserHistory.push.bind(browserHistory);
+interface MastodonLocationState {
+  fromMastodon?: boolean;
+  mastodonModalKey?: string;
+}
+
+const browserHistory = createBrowserHistory<
+  MastodonLocationState | undefined
+>();
+const originalPush = browserHistory.push.bind(browserHistory);
+const originalReplace = browserHistory.replace.bind(browserHistory);
+
+browserHistory.push = (path: string, state?: MastodonLocationState) => {
+  state = state ?? {};
+  state.fromMastodon = true;
 
-browserHistory.push = (path: string, state: History.LocationState) => {
   if (layoutFromWindow() === 'multi-column' && !path.startsWith('/deck')) {
     originalPush(`/deck${path}`, state);
   } else {
@@ -18,6 +28,19 @@ browserHistory.push = (path: string, state: History.LocationState) => {
   }
 };
 
+browserHistory.replace = (path: string, state?: MastodonLocationState) => {
+  if (browserHistory.location.state?.fromMastodon) {
+    state = state ?? {};
+    state.fromMastodon = true;
+  }
+
+  if (layoutFromWindow() === 'multi-column' && !path.startsWith('/deck')) {
+    originalReplace(`/deck${path}`, state);
+  } else {
+    originalReplace(path, state);
+  }
+};
+
 export const Router: React.FC<PropsWithChildren> = ({ children }) => {
   return <OriginalRouter history={browserHistory}>{children}</OriginalRouter>;
 };
diff --git a/app/javascript/mastodon/features/ui/index.jsx b/app/javascript/mastodon/features/ui/index.jsx
index ae81a354b2..420f0aa693 100644
--- a/app/javascript/mastodon/features/ui/index.jsx
+++ b/app/javascript/mastodon/features/ui/index.jsx
@@ -479,10 +479,12 @@ class UI extends PureComponent {
   };
 
   handleHotkeyBack = () => {
-    if (window.history && window.history.state) {
-      this.context.router.history.goBack();
+    const { router } = this.context;
+
+    if (router.history.location?.state?.fromMastodon) {
+      router.history.goBack();
     } else {
-      this.context.router.history.push('/');
+      router.history.push('/');
     }
   };
 
diff --git a/app/lib/feed_manager.rb b/app/lib/feed_manager.rb
index 6cca828a25..1ab90bc823 100644
--- a/app/lib/feed_manager.rb
+++ b/app/lib/feed_manager.rb
@@ -205,6 +205,26 @@ class FeedManager
     end
   end
 
+  # Remove a tag's statuses from a home feed
+  # @param [Tag] from_tag
+  # @param [Account] into_account
+  # @return [void]
+  def unmerge_tag_from_home(from_tag, into_account)
+    timeline_key        = key(:home, into_account.id)
+    timeline_status_ids = redis.zrange(timeline_key, 0, -1)
+
+    # This is a bit tricky because we need posts tagged with this hashtag that are not
+    # also tagged with another followed hashtag or from a followed user
+    scope = from_tag.statuses
+                    .where(id: timeline_status_ids)
+                    .where.not(account: into_account.following)
+                    .tagged_with_none(TagFollow.where(account: into_account).pluck(:tag_id))
+
+    scope.select('id, reblog_of_id').reorder(nil).find_each do |status|
+      remove_from_feed(:home, into_account.id, status, aggregate_reblogs: into_account.user&.aggregates_reblogs?)
+    end
+  end
+
   # Clear all statuses from or mentioning target_account from a home feed
   # @param [Account] account
   # @param [Account] target_account
diff --git a/app/services/activitypub/process_collection_service.rb b/app/services/activitypub/process_collection_service.rb
index 52f48bd49d..4f049a5ae9 100644
--- a/app/services/activitypub/process_collection_service.rb
+++ b/app/services/activitypub/process_collection_service.rb
@@ -8,6 +8,8 @@ class ActivityPub::ProcessCollectionService < BaseService
     @json    = original_json = Oj.load(body, mode: :strict)
     @options = options
 
+    return unless @json.is_a?(Hash)
+
     begin
       @json = compact(@json) if @json['signature'].is_a?(Hash)
     rescue JSON::LD::JsonLdError => e
diff --git a/app/views/accounts/_og.html.haml b/app/views/accounts/_og.html.haml
index 6350d7ed0f..1a06be6cc8 100644
--- a/app/views/accounts/_og.html.haml
+++ b/app/views/accounts/_og.html.haml
@@ -10,4 +10,4 @@
 = opengraph 'og:image:width', '400'
 = opengraph 'og:image:height', '400'
 = opengraph 'twitter:card', 'summary'
-= opengraph 'profile:username', acct(account)[1..-1]
+= opengraph 'profile:username', acct(account)[1..]
diff --git a/app/views/admin/domain_blocks/edit.html.haml b/app/views/admin/domain_blocks/edit.html.haml
index 15d70a39e5..ae76b6777a 100644
--- a/app/views/admin/domain_blocks/edit.html.haml
+++ b/app/views/admin/domain_blocks/edit.html.haml
@@ -9,7 +9,7 @@
       = 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')
+      = f.input :severity, collection: DomainBlock.severities.keys, wrapper: :with_label, include_blank: false, label_method: ->(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')
diff --git a/app/views/admin/domain_blocks/new.html.haml b/app/views/admin/domain_blocks/new.html.haml
index 0944573bf1..86e519f451 100644
--- a/app/views/admin/domain_blocks/new.html.haml
+++ b/app/views/admin/domain_blocks/new.html.haml
@@ -9,7 +9,7 @@
       = f.input :domain, wrapper: :with_label, label: t('admin.domain_blocks.domain'), hint: t('.hint'), required: 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(".severity.#{type}") }, hint: t('.severity.desc_html')
+      = f.input :severity, collection: DomainBlock.severities.keys, wrapper: :with_label, include_blank: false, label_method: ->(type) { t(".severity.#{type}") }, hint: t('.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')
diff --git a/app/views/admin/ip_blocks/new.html.haml b/app/views/admin/ip_blocks/new.html.haml
index 69f6b98b9b..405c73c90e 100644
--- a/app/views/admin/ip_blocks/new.html.haml
+++ b/app/views/admin/ip_blocks/new.html.haml
@@ -8,10 +8,10 @@
     = f.input :ip, as: :string, wrapper: :with_block_label, input_html: { placeholder: '192.0.2.0/24' }
 
   .fields-group
-    = f.input :expires_in, wrapper: :with_block_label, collection: [1.day, 2.weeks, 1.month, 6.months, 1.year, 3.years].map(&:to_i), label_method: lambda { |i| I18n.t("admin.ip_blocks.expires_in.#{i}") }, prompt: I18n.t('invites.expires_in_prompt')
+    = f.input :expires_in, wrapper: :with_block_label, collection: [1.day, 2.weeks, 1.month, 6.months, 1.year, 3.years].map(&:to_i), label_method: ->(i) { I18n.t("admin.ip_blocks.expires_in.#{i}") }, prompt: I18n.t('invites.expires_in_prompt')
 
   .fields-group
-    = f.input :severity, as: :radio_buttons, collection: IpBlock.severities.keys, include_blank: false, wrapper: :with_block_label, label_method: lambda { |severity| safe_join([I18n.t("simple_form.labels.ip_block.severities.#{severity}"), content_tag(:span, I18n.t("simple_form.hints.ip_block.severities.#{severity}"), class: 'hint')]) }
+    = f.input :severity, as: :radio_buttons, collection: IpBlock.severities.keys, include_blank: false, wrapper: :with_block_label, label_method: ->(severity) { safe_join([I18n.t("simple_form.labels.ip_block.severities.#{severity}"), content_tag(:span, I18n.t("simple_form.hints.ip_block.severities.#{severity}"), class: 'hint')]) }
 
   .fields-group
     = f.input :comment, as: :string, wrapper: :with_block_label
diff --git a/app/views/admin/roles/_form.html.haml b/app/views/admin/roles/_form.html.haml
index 31f78f2405..3cbec0d0b5 100644
--- a/app/views/admin/roles/_form.html.haml
+++ b/app/views/admin/roles/_form.html.haml
@@ -32,7 +32,7 @@
       - (@role.everyone? ? UserRole::Flags::CATEGORIES.slice(:invites) : UserRole::Flags::CATEGORIES).each do |category, permissions|
         %h4= t(category, scope: 'admin.roles.categories')
 
-        = f.input :permissions_as_keys, collection: permissions, wrapper: :with_block_label, include_blank: false, label_method: lambda { |privilege| safe_join([t("admin.roles.privileges.#{privilege}"), content_tag(:span, t("admin.roles.privileges.#{privilege}_description"), class: 'hint')]) }, required: false, as: :check_boxes, collection_wrapper_tag: 'ul', item_wrapper_tag: 'li', label: false, hint: false, disabled: permissions.filter { |privilege| UserRole::FLAGS[privilege] & current_user.role.computed_permissions == 0 }
+        = f.input :permissions_as_keys, collection: permissions, wrapper: :with_block_label, include_blank: false, label_method: ->(privilege) { safe_join([t("admin.roles.privileges.#{privilege}"), content_tag(:span, t("admin.roles.privileges.#{privilege}_description"), class: 'hint')]) }, required: false, as: :check_boxes, collection_wrapper_tag: 'ul', item_wrapper_tag: 'li', label: false, hint: false, disabled: permissions.filter { |privilege| UserRole::FLAGS[privilege] & current_user.role.computed_permissions == 0 }
 
     %hr.spacer/
 
diff --git a/app/views/admin/settings/about/show.html.haml b/app/views/admin/settings/about/show.html.haml
index cbba20faaa..1237c20fa8 100644
--- a/app/views/admin/settings/about/show.html.haml
+++ b/app/views/admin/settings/about/show.html.haml
@@ -19,9 +19,9 @@
 
   .fields-row
     .fields-row__column.fields-row__column-6.fields-group
-      = f.input :show_domain_blocks, wrapper: :with_label, collection: %i(disabled users all), label_method: lambda { |value| t("admin.settings.domain_blocks.#{value}") }, include_blank: false, collection_wrapper_tag: 'ul', item_wrapper_tag: 'li'
+      = f.input :show_domain_blocks, wrapper: :with_label, collection: %i(disabled users all), label_method: ->(value) { t("admin.settings.domain_blocks.#{value}") }, include_blank: false, collection_wrapper_tag: 'ul', item_wrapper_tag: 'li'
     .fields-row__column.fields-row__column-6.fields-group
-      = f.input :show_domain_blocks_rationale, wrapper: :with_label, collection: %i(disabled users all), label_method: lambda { |value| t("admin.settings.domain_blocks.#{value}") }, include_blank: false, collection_wrapper_tag: 'ul', item_wrapper_tag: 'li'
+      = f.input :show_domain_blocks_rationale, wrapper: :with_label, collection: %i(disabled users all), label_method: ->(value) { t("admin.settings.domain_blocks.#{value}") }, include_blank: false, collection_wrapper_tag: 'ul', item_wrapper_tag: 'li'
 
   .fields-group
     = f.input :status_page_url, wrapper: :with_block_label, input_html: { placeholder: "https://status.#{Rails.configuration.x.local_domain}" }
diff --git a/app/views/admin/settings/appearance/show.html.haml b/app/views/admin/settings/appearance/show.html.haml
index f02ecc105b..60522240f5 100644
--- a/app/views/admin/settings/appearance/show.html.haml
+++ b/app/views/admin/settings/appearance/show.html.haml
@@ -11,7 +11,7 @@
   %p.lead= t('admin.settings.appearance.preamble')
 
   .fields-group
-    = f.input :flavour_and_skin, collection: Themes.instance.flavours_and_skins, group_label_method: lambda { |(flavour, _)| I18n.t("flavours.#{flavour}.name", default: flavour) }, wrapper: :with_label, label: t('admin.settings.flavour_and_skin.title'), include_blank: false, as: :grouped_select, label_method: :last, value_method: lambda { |value| value.join('/') }, group_method: :last
+    = f.input :flavour_and_skin, collection: Themes.instance.flavours_and_skins, group_label_method: -> (flavour_and_skin) { I18n.t("flavours.#{flavour_and_skin}.name", default: flavour_and_skin) }, wrapper: :with_label, label: t('admin.settings.flavour_and_skin.title'), include_blank: false, as: :grouped_select, label_method: :last, value_method: lambda { |value| value.join('/') }, group_method: :last
 
   .fields-group
     = f.input :custom_css, wrapper: :with_block_label, as: :text, input_html: { rows: 8 }
diff --git a/app/views/admin/settings/registrations/show.html.haml b/app/views/admin/settings/registrations/show.html.haml
index 443a219fc9..168f109757 100644
--- a/app/views/admin/settings/registrations/show.html.haml
+++ b/app/views/admin/settings/registrations/show.html.haml
@@ -12,7 +12,7 @@
 
   .fields-row
     .fields-row__column.fields-row__column-6.fields-group
-      = f.input :registrations_mode, collection: %w(open approved none), wrapper: :with_label, include_blank: false, label_method: lambda { |mode| I18n.t("admin.settings.registrations_mode.modes.#{mode}") }
+      = f.input :registrations_mode, collection: %w(open approved none), wrapper: :with_label, include_blank: false, label_method: ->(mode) { I18n.t("admin.settings.registrations_mode.modes.#{mode}") }
 
     .fields-row__column.fields-row__column-6.fields-group
       = f.input :require_invite_text, as: :boolean, wrapper: :with_label, disabled: !approved_registrations?
diff --git a/app/views/filters/_filter_fields.html.haml b/app/views/filters/_filter_fields.html.haml
index a554b55ff6..0690e8dd59 100644
--- a/app/views/filters/_filter_fields.html.haml
+++ b/app/views/filters/_filter_fields.html.haml
@@ -2,10 +2,10 @@
   .fields-row__column.fields-row__column-6.fields-group
     = f.input :title, as: :string, wrapper: :with_label, hint: false
   .fields-row__column.fields-row__column-6.fields-group
-    = f.input :expires_in, wrapper: :with_label, collection: [30.minutes, 1.hour, 6.hours, 12.hours, 1.day, 1.week].map(&:to_i), label_method: lambda { |i| I18n.t("invites.expires_in.#{i}") }, include_blank: I18n.t('invites.expires_in_prompt')
+    = f.input :expires_in, wrapper: :with_label, collection: [30.minutes, 1.hour, 6.hours, 12.hours, 1.day, 1.week].map(&:to_i), label_method: ->(i) { I18n.t("invites.expires_in.#{i}") }, include_blank: I18n.t('invites.expires_in_prompt')
 
 .fields-group
-  = f.input :context, wrapper: :with_block_label, collection: CustomFilter::VALID_CONTEXTS, as: :check_boxes, collection_wrapper_tag: 'ul', item_wrapper_tag: 'li', label_method: lambda { |context| I18n.t("filters.contexts.#{context}") }, include_blank: false
+  = f.input :context, wrapper: :with_block_label, collection: CustomFilter::VALID_CONTEXTS, as: :check_boxes, collection_wrapper_tag: 'ul', item_wrapper_tag: 'li', label_method: ->(context) { I18n.t("filters.contexts.#{context}") }, include_blank: false
 
 %hr.spacer/
 
diff --git a/app/views/invites/_form.html.haml b/app/views/invites/_form.html.haml
index 3a2a5ef0e1..7ea521ebc7 100644
--- a/app/views/invites/_form.html.haml
+++ b/app/views/invites/_form.html.haml
@@ -3,9 +3,9 @@
 
   .fields-row
     .fields-row__column.fields-row__column-6.fields-group
-      = f.input :max_uses, wrapper: :with_label, collection: [1, 5, 10, 25, 50, 100], label_method: lambda { |num| I18n.t('invites.max_uses', count: num) }, prompt: I18n.t('invites.max_uses_prompt')
+      = f.input :max_uses, wrapper: :with_label, collection: [1, 5, 10, 25, 50, 100], label_method: ->(num) { I18n.t('invites.max_uses', count: num) }, prompt: I18n.t('invites.max_uses_prompt')
     .fields-row__column.fields-row__column-6.fields-group
-      = f.input :expires_in, wrapper: :with_label, collection: [30.minutes, 1.hour, 6.hours, 12.hours, 1.day, 1.week].map(&:to_i), label_method: lambda { |i| I18n.t("invites.expires_in.#{i}") }, prompt: I18n.t('invites.expires_in_prompt')
+      = f.input :expires_in, wrapper: :with_label, collection: [30.minutes, 1.hour, 6.hours, 12.hours, 1.day, 1.week].map(&:to_i), label_method: ->(i) { I18n.t("invites.expires_in.#{i}") }, prompt: I18n.t('invites.expires_in_prompt')
 
   .fields-group
     = f.input :autofollow, wrapper: :with_label
diff --git a/app/views/settings/applications/_fields.html.haml b/app/views/settings/applications/_fields.html.haml
index ffd2491d29..f4deb5b6ff 100644
--- a/app/views/settings/applications/_fields.html.haml
+++ b/app/views/settings/applications/_fields.html.haml
@@ -15,4 +15,4 @@
     %span.hint= t('simple_form.hints.defaults.scopes')
 
   - Doorkeeper.configuration.scopes.group_by { |s| s.split(':').first }.each do |k, v|
-    = f.input :scopes, label: false, hint: false, collection: v.sort, wrapper: :with_block_label, include_blank: false, label_method: lambda { |scope| safe_join([content_tag(:samp, scope, class: class_for_scope(scope)), content_tag(:span, t("doorkeeper.scopes.#{scope}"), class: 'hint')]) }, selected: f.object.scopes.all, required: false, as: :check_boxes, collection_wrapper_tag: 'ul', item_wrapper_tag: 'li'
+    = f.input :scopes, label: false, hint: false, collection: v.sort, wrapper: :with_block_label, include_blank: false, label_method: ->(scope) { safe_join([content_tag(:samp, scope, class: class_for_scope(scope)), content_tag(:span, t("doorkeeper.scopes.#{scope}"), class: 'hint')]) }, selected: f.object.scopes.all, required: false, as: :check_boxes, collection_wrapper_tag: 'ul', item_wrapper_tag: 'li'
diff --git a/app/views/settings/imports/show.html.haml b/app/views/settings/imports/show.html.haml
index 65954e3e1e..4d50049d3d 100644
--- a/app/views/settings/imports/show.html.haml
+++ b/app/views/settings/imports/show.html.haml
@@ -1,13 +1,13 @@
 - content_for :page_title do
-  = t("imports.titles.#{@bulk_import.type.to_s}")
+  = t("imports.titles.#{@bulk_import.type}")
 
 - if @bulk_import.likely_mismatched?
-  .flash-message.warning= t("imports.mismatched_types_warning")
+  .flash-message.warning= t('imports.mismatched_types_warning')
 
 - if @bulk_import.overwrite?
-  %p.hint= t("imports.overwrite_preambles.#{@bulk_import.type.to_s}_html", filename: @bulk_import.original_filename, total_items: @bulk_import.total_items)
+  %p.hint= t("imports.overwrite_preambles.#{@bulk_import.type}_html", filename: @bulk_import.original_filename, total_items: @bulk_import.total_items)
 - else
-  %p.hint= t("imports.preambles.#{@bulk_import.type.to_s}_html", filename: @bulk_import.original_filename, total_items: @bulk_import.total_items)
+  %p.hint= t("imports.preambles.#{@bulk_import.type}_html", filename: @bulk_import.original_filename, total_items: @bulk_import.total_items)
 
 .simple_form
   .actions
diff --git a/app/views/settings/preferences/appearance/show.html.haml b/app/views/settings/preferences/appearance/show.html.haml
index 44db9b91ce..ae3870142b 100644
--- a/app/views/settings/preferences/appearance/show.html.haml
+++ b/app/views/settings/preferences/appearance/show.html.haml
@@ -7,7 +7,7 @@
 = simple_form_for current_user, url: settings_preferences_appearance_path, html: { method: :put, id: 'edit_user' } do |f|
   .fields-row
     .fields-group.fields-row__column.fields-row__column-6
-      = f.input :locale, collection: I18n.available_locales, wrapper: :with_label, include_blank: false, label_method: lambda { |locale| native_locale_name(locale) }, selected: I18n.locale, hint: false
+      = f.input :locale, collection: I18n.available_locales, wrapper: :with_label, include_blank: false, label_method: ->(locale) { native_locale_name(locale) }, selected: I18n.locale, hint: false
 
     .fields-group.fields-row__column.fields-row__column-6
       = f.input :time_zone, wrapper: :with_label, collection: ActiveSupport::TimeZone.all.map { |tz| ["(GMT#{tz.formatted_offset}) #{tz.name}", tz.tzinfo.name] }, hint: false
@@ -58,7 +58,7 @@
     %h4= t 'appearance.sensitive_content'
 
     .fields-group
-      = ff.input :'web.display_media', collection: ['default', 'show_all', 'hide_all'],label_method: lambda { |item| t("simple_form.hints.defaults.setting_display_media_#{item}") }, hint: false, as: :radio_buttons, collection_wrapper_tag: 'ul', item_wrapper_tag: 'li', wrapper: :with_floating_label, label: I18n.t('simple_form.labels.defaults.setting_display_media')
+      = ff.input :'web.display_media', collection: ['default', 'show_all', 'hide_all'], label_method: ->(item) { t("simple_form.hints.defaults.setting_display_media_#{item}") }, hint: false, as: :radio_buttons, collection_wrapper_tag: 'ul', item_wrapper_tag: 'li', wrapper: :with_floating_label, label: I18n.t('simple_form.labels.defaults.setting_display_media')
 
     .fields-group
       = ff.input :'web.use_blurhash', wrapper: :with_label, label: I18n.t('simple_form.labels.defaults.setting_use_blurhash'), hint: I18n.t('simple_form.hints.defaults.setting_use_blurhash')
diff --git a/app/views/settings/preferences/other/show.html.haml b/app/views/settings/preferences/other/show.html.haml
index 6420b6634b..0029b4c6fe 100644
--- a/app/views/settings/preferences/other/show.html.haml
+++ b/app/views/settings/preferences/other/show.html.haml
@@ -22,10 +22,10 @@
 
     .fields-row
       .fields-group.fields-row__column.fields-row__column-6
-        = ff.input :default_privacy, collection: Status.selectable_visibilities, wrapper: :with_label, include_blank: false, label_method: lambda { |visibility| safe_join([I18n.t("statuses.visibilities.#{visibility}"), I18n.t("statuses.visibilities.#{visibility}_long")], ' - ') }, required: false, hint: false, label: I18n.t('simple_form.labels.defaults.setting_default_privacy')
+        = ff.input :default_privacy, collection: Status.selectable_visibilities, wrapper: :with_label, include_blank: false, label_method: ->(visibility) { safe_join([I18n.t("statuses.visibilities.#{visibility}"), I18n.t("statuses.visibilities.#{visibility}_long")], ' - ') }, required: false, hint: false, label: I18n.t('simple_form.labels.defaults.setting_default_privacy')
 
       .fields-group.fields-row__column.fields-row__column-6
-        = ff.input :default_language, collection: [nil] + filterable_languages, wrapper: :with_label, label_method: lambda { |locale| locale.nil? ? I18n.t('statuses.default_language') : native_locale_name(locale) }, required: false, include_blank: false, hint: false, label: I18n.t('simple_form.labels.defaults.setting_default_language')
+        = ff.input :default_language, collection: [nil] + filterable_languages, wrapper: :with_label, label_method: ->(locale) { locale.nil? ? I18n.t('statuses.default_language') : native_locale_name(locale) }, required: false, include_blank: false, hint: false, label: I18n.t('simple_form.labels.defaults.setting_default_language')
 
     .fields-group
       = ff.input :default_sensitive, wrapper: :with_label, label: I18n.t('simple_form.labels.defaults.setting_default_sensitive'), hint: I18n.t('simple_form.hints.defaults.setting_default_sensitive')
@@ -39,7 +39,7 @@
   %h4= t 'preferences.public_timelines'
 
   .fields-group
-    = f.input :chosen_languages, collection: filterable_languages, wrapper: :with_block_label, include_blank: false, label_method: lambda { |locale| native_locale_name(locale) }, required: false, as: :check_boxes, collection_wrapper_tag: 'ul', item_wrapper_tag: 'li'
+    = f.input :chosen_languages, collection: filterable_languages, wrapper: :with_block_label, include_blank: false, label_method: ->(locale) { native_locale_name(locale) }, required: false, as: :check_boxes, collection_wrapper_tag: 'ul', item_wrapper_tag: 'li'
 
   .actions
     = f.button :button, t('generic.save_changes'), type: :submit
diff --git a/app/views/statuses/_poll.html.haml b/app/views/statuses/_poll.html.haml
index 248c6058cb..0805c48958 100644
--- a/app/views/statuses/_poll.html.haml
+++ b/app/views/statuses/_poll.html.haml
@@ -17,7 +17,7 @@
               %span.poll__voted
                 %i.poll__voted__mark.fa.fa-check
 
-          %progress{ max: 100, value: percent < 1 ? 1 : percent, 'aria-hidden': 'true' }
+          %progress{ max: 100, value: [percent, 1].max, 'aria-hidden': 'true' }
             %span.poll__chart
         - else
           %label.poll__option><
diff --git a/app/views/statuses/show.html.haml b/app/views/statuses/show.html.haml
index cb6b4c6193..08bab63073 100644
--- a/app/views/statuses/show.html.haml
+++ b/app/views/statuses/show.html.haml
@@ -13,7 +13,7 @@
   = opengraph 'og:title', "#{display_name(@account)} (#{acct(@account)})"
   = opengraph 'og:url', short_account_status_url(@account, @status)
   = opengraph 'og:published_time', @status.created_at.iso8601
-  = opengraph 'profile:username', acct(@account)[1..-1]
+  = opengraph 'profile:username', acct(@account)[1..]
 
   = render 'og_description', activity: @status
   = render 'og_image', activity: @status, account: @account
diff --git a/app/views/statuses_cleanup/show.html.haml b/app/views/statuses_cleanup/show.html.haml
index 59de4b5aa6..99b9ddab93 100644
--- a/app/views/statuses_cleanup/show.html.haml
+++ b/app/views/statuses_cleanup/show.html.haml
@@ -10,7 +10,7 @@
     .fields-row__column.fields-row__column-6.fields-group
       = f.input :enabled, as: :boolean, wrapper: :with_label, label: t('statuses_cleanup.enabled'), hint: t('statuses_cleanup.enabled_hint')
     .fields-row__column.fields-row__column-6.fields-group
-      = f.input :min_status_age, wrapper: :with_label, label: t('statuses_cleanup.min_age_label'), collection: AccountStatusesCleanupPolicy::ALLOWED_MIN_STATUS_AGE.map(&:to_i), label_method: lambda { |i| t("statuses_cleanup.min_age.#{i}") }, include_blank: false, hint: false
+      = f.input :min_status_age, wrapper: :with_label, label: t('statuses_cleanup.min_age_label'), collection: AccountStatusesCleanupPolicy::ALLOWED_MIN_STATUS_AGE.map(&:to_i), label_method: ->(i) { t("statuses_cleanup.min_age.#{i}") }, include_blank: false, hint: false
 
   .flash-message= t('statuses_cleanup.explanation')
 
diff --git a/app/workers/tag_unmerge_worker.rb b/app/workers/tag_unmerge_worker.rb
new file mode 100644
index 0000000000..1c2a6d1e76
--- /dev/null
+++ b/app/workers/tag_unmerge_worker.rb
@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+class TagUnmergeWorker
+  include Sidekiq::Worker
+  include DatabaseHelper
+
+  sidekiq_options queue: 'pull'
+
+  def perform(from_tag_id, into_account_id)
+    with_primary do
+      @from_tag     = Tag.find(from_tag_id)
+      @into_account = Account.find(into_account_id)
+    end
+
+    with_read_replica do
+      FeedManager.instance.unmerge_tag_from_home(@from_tag, @into_account)
+    end
+  rescue ActiveRecord::RecordNotFound
+    true
+  end
+end
diff --git a/spec/controllers/api/v1/polls_controller_spec.rb b/spec/controllers/api/v1/polls_controller_spec.rb
deleted file mode 100644
index 3aae5496db..0000000000
--- a/spec/controllers/api/v1/polls_controller_spec.rb
+++ /dev/null
@@ -1,37 +0,0 @@
-# frozen_string_literal: true
-
-require 'rails_helper'
-
-RSpec.describe Api::V1::PollsController do
-  render_views
-
-  let(:user)   { Fabricate(:user) }
-  let(:scopes) { 'read:statuses' }
-  let(:token)  { Fabricate(:accessible_access_token, resource_owner_id: user.id, scopes: scopes) }
-
-  before { allow(controller).to receive(:doorkeeper_token) { token } }
-
-  describe 'GET #show' do
-    let(:poll) { Fabricate(:poll, status: Fabricate(:status, visibility: visibility)) }
-
-    before do
-      get :show, params: { id: poll.id }
-    end
-
-    context 'when parent status is public' do
-      let(:visibility) { 'public' }
-
-      it 'returns http success' do
-        expect(response).to have_http_status(200)
-      end
-    end
-
-    context 'when parent status is private' do
-      let(:visibility) { 'private' }
-
-      it 'returns http not found' do
-        expect(response).to have_http_status(404)
-      end
-    end
-  end
-end
diff --git a/spec/controllers/api/v1/statuses/bookmarks_controller_spec.rb b/spec/controllers/api/v1/statuses/bookmarks_controller_spec.rb
deleted file mode 100644
index 46d7b6c0a5..0000000000
--- a/spec/controllers/api/v1/statuses/bookmarks_controller_spec.rb
+++ /dev/null
@@ -1,113 +0,0 @@
-# frozen_string_literal: true
-
-require 'rails_helper'
-
-describe Api::V1::Statuses::BookmarksController do
-  render_views
-
-  let(:user)  { Fabricate(:user) }
-  let(:app)   { Fabricate(:application, name: 'Test app', website: 'http://testapp.com') }
-  let(:token) { Fabricate(:accessible_access_token, resource_owner_id: user.id, scopes: 'write:bookmarks', application: app) }
-
-  context 'with an oauth token' do
-    before do
-      allow(controller).to receive(:doorkeeper_token) { token }
-    end
-
-    describe 'POST #create' do
-      let(:status) { Fabricate(:status, account: user.account) }
-
-      before do
-        post :create, params: { status_id: status.id }
-      end
-
-      context 'with public status' do
-        it 'returns http success' do
-          expect(response).to have_http_status(:success)
-        end
-
-        it 'updates the bookmarked attribute' do
-          expect(user.account.bookmarked?(status)).to be true
-        end
-
-        it 'returns json with updated attributes' do
-          hash_body = body_as_json
-
-          expect(hash_body[:id]).to eq status.id.to_s
-          expect(hash_body[:bookmarked]).to be true
-        end
-      end
-
-      context 'with private status of not-followed account' do
-        let(:status) { Fabricate(:status, visibility: :private) }
-
-        it 'returns http not found' do
-          expect(response).to have_http_status(404)
-        end
-      end
-    end
-
-    describe 'POST #destroy' do
-      context 'with public status' do
-        let(:status) { Fabricate(:status, account: user.account) }
-
-        before do
-          Bookmark.find_or_create_by!(account: user.account, status: status)
-          post :destroy, params: { status_id: status.id }
-        end
-
-        it 'returns http success' do
-          expect(response).to have_http_status(:success)
-        end
-
-        it 'updates the bookmarked attribute' do
-          expect(user.account.bookmarked?(status)).to be false
-        end
-
-        it 'returns json with updated attributes' do
-          hash_body = body_as_json
-
-          expect(hash_body[:id]).to eq status.id.to_s
-          expect(hash_body[:bookmarked]).to be false
-        end
-      end
-
-      context 'with public status when blocked by its author' do
-        let(:status) { Fabricate(:status) }
-
-        before do
-          Bookmark.find_or_create_by!(account: user.account, status: status)
-          status.account.block!(user.account)
-          post :destroy, params: { status_id: status.id }
-        end
-
-        it 'returns http success' do
-          expect(response).to have_http_status(200)
-        end
-
-        it 'updates the bookmarked attribute' do
-          expect(user.account.bookmarked?(status)).to be false
-        end
-
-        it 'returns json with updated attributes' do
-          hash_body = body_as_json
-
-          expect(hash_body[:id]).to eq status.id.to_s
-          expect(hash_body[:bookmarked]).to be false
-        end
-      end
-
-      context 'with private status that was not bookmarked' do
-        let(:status) { Fabricate(:status, visibility: :private) }
-
-        before do
-          post :destroy, params: { status_id: status.id }
-        end
-
-        it 'returns http not found' do
-          expect(response).to have_http_status(404)
-        end
-      end
-    end
-  end
-end
diff --git a/spec/controllers/api/v1/statuses/favourites_controller_spec.rb b/spec/controllers/api/v1/statuses/favourites_controller_spec.rb
deleted file mode 100644
index 609957e3ef..0000000000
--- a/spec/controllers/api/v1/statuses/favourites_controller_spec.rb
+++ /dev/null
@@ -1,123 +0,0 @@
-# frozen_string_literal: true
-
-require 'rails_helper'
-
-describe Api::V1::Statuses::FavouritesController do
-  render_views
-
-  let(:user)  { Fabricate(:user) }
-  let(:app)   { Fabricate(:application, name: 'Test app', website: 'http://testapp.com') }
-  let(:token) { Fabricate(:accessible_access_token, resource_owner_id: user.id, scopes: 'write:favourites', application: app) }
-
-  context 'with an oauth token' do
-    before do
-      allow(controller).to receive(:doorkeeper_token) { token }
-    end
-
-    describe 'POST #create' do
-      let(:status) { Fabricate(:status, account: user.account) }
-
-      before do
-        post :create, params: { status_id: status.id }
-      end
-
-      context 'with public status' do
-        it 'returns http success' do
-          expect(response).to have_http_status(200)
-        end
-
-        it 'updates the favourites count' do
-          expect(status.favourites.count).to eq 1
-        end
-
-        it 'updates the favourited attribute' do
-          expect(user.account.favourited?(status)).to be true
-        end
-
-        it 'returns json with updated attributes' do
-          hash_body = body_as_json
-
-          expect(hash_body[:id]).to eq status.id.to_s
-          expect(hash_body[:favourites_count]).to eq 1
-          expect(hash_body[:favourited]).to be true
-        end
-      end
-
-      context 'with private status of not-followed account' do
-        let(:status) { Fabricate(:status, visibility: :private) }
-
-        it 'returns http not found' do
-          expect(response).to have_http_status(404)
-        end
-      end
-    end
-
-    describe 'POST #destroy' do
-      context 'with public status' do
-        let(:status) { Fabricate(:status, account: user.account) }
-
-        before do
-          FavouriteService.new.call(user.account, status)
-          post :destroy, params: { status_id: status.id }
-        end
-
-        it 'returns http success' do
-          expect(response).to have_http_status(200)
-        end
-
-        it 'updates the favourites count' do
-          expect(status.favourites.count).to eq 0
-        end
-
-        it 'updates the favourited attribute' do
-          expect(user.account.favourited?(status)).to be false
-        end
-
-        it 'returns json with updated attributes' do
-          hash_body = body_as_json
-
-          expect(hash_body[:id]).to eq status.id.to_s
-          expect(hash_body[:favourites_count]).to eq 0
-          expect(hash_body[:favourited]).to be false
-        end
-      end
-
-      context 'with public status when blocked by its author' do
-        let(:status) { Fabricate(:status) }
-
-        before do
-          FavouriteService.new.call(user.account, status)
-          status.account.block!(user.account)
-          post :destroy, params: { status_id: status.id }
-        end
-
-        it 'returns http success' do
-          expect(response).to have_http_status(200)
-        end
-
-        it 'updates the favourite attribute' do
-          expect(user.account.favourited?(status)).to be false
-        end
-
-        it 'returns json with updated attributes' do
-          hash_body = body_as_json
-
-          expect(hash_body[:id]).to eq status.id.to_s
-          expect(hash_body[:favourited]).to be false
-        end
-      end
-
-      context 'with private status that was not favourited' do
-        let(:status) { Fabricate(:status, visibility: :private) }
-
-        before do
-          post :destroy, params: { status_id: status.id }
-        end
-
-        it 'returns http not found' do
-          expect(response).to have_http_status(404)
-        end
-      end
-    end
-  end
-end
diff --git a/spec/controllers/api/v1/statuses/pins_controller_spec.rb b/spec/controllers/api/v1/statuses/pins_controller_spec.rb
deleted file mode 100644
index 8bdaf8b548..0000000000
--- a/spec/controllers/api/v1/statuses/pins_controller_spec.rb
+++ /dev/null
@@ -1,57 +0,0 @@
-# frozen_string_literal: true
-
-require 'rails_helper'
-
-describe Api::V1::Statuses::PinsController do
-  render_views
-
-  let(:user)  { Fabricate(:user) }
-  let(:app)   { Fabricate(:application, name: 'Test app', website: 'http://testapp.com') }
-  let(:token) { Fabricate(:accessible_access_token, resource_owner_id: user.id, scopes: 'write:accounts', application: app) }
-
-  context 'with an oauth token' do
-    before do
-      allow(controller).to receive(:doorkeeper_token) { token }
-    end
-
-    describe 'POST #create' do
-      let(:status) { Fabricate(:status, account: user.account) }
-
-      before do
-        post :create, params: { status_id: status.id }
-      end
-
-      it 'returns http success' do
-        expect(response).to have_http_status(200)
-      end
-
-      it 'updates the pinned attribute' do
-        expect(user.account.pinned?(status)).to be true
-      end
-
-      it 'return json with updated attributes' do
-        hash_body = body_as_json
-
-        expect(hash_body[:id]).to eq status.id.to_s
-        expect(hash_body[:pinned]).to be true
-      end
-    end
-
-    describe 'POST #destroy' do
-      let(:status) { Fabricate(:status, account: user.account) }
-
-      before do
-        Fabricate(:status_pin, status: status, account: user.account)
-        post :destroy, params: { status_id: status.id }
-      end
-
-      it 'returns http success' do
-        expect(response).to have_http_status(200)
-      end
-
-      it 'updates the pinned attribute' do
-        expect(user.account.pinned?(status)).to be false
-      end
-    end
-  end
-end
diff --git a/spec/controllers/api/v1/timelines/home_controller_spec.rb b/spec/controllers/api/v1/timelines/home_controller_spec.rb
deleted file mode 100644
index bb46d0aba4..0000000000
--- a/spec/controllers/api/v1/timelines/home_controller_spec.rb
+++ /dev/null
@@ -1,44 +0,0 @@
-# frozen_string_literal: true
-
-require 'rails_helper'
-
-describe Api::V1::Timelines::HomeController do
-  render_views
-
-  let(:user) { Fabricate(:user, current_sign_in_at: 1.day.ago) }
-
-  before do
-    allow(controller).to receive(:doorkeeper_token) { token }
-  end
-
-  context 'with a user context' do
-    let(:token) { Fabricate(:accessible_access_token, resource_owner_id: user.id, scopes: 'read:statuses') }
-
-    describe 'GET #show' do
-      before do
-        follow = Fabricate(:follow, account: user.account)
-        PostStatusService.new.call(follow.target_account, text: 'New status for user home timeline.')
-      end
-
-      it 'returns http success' do
-        get :show
-
-        expect(response).to have_http_status(200)
-        expect(response.headers['Link'].links.size).to eq(2)
-      end
-    end
-  end
-
-  context 'without a user context' do
-    let(:token) { Fabricate(:accessible_access_token, resource_owner_id: nil, scopes: 'read') }
-
-    describe 'GET #show' do
-      it 'returns http unprocessable entity' do
-        get :show
-
-        expect(response).to have_http_status(422)
-        expect(response.headers['Link']).to be_nil
-      end
-    end
-  end
-end
diff --git a/spec/controllers/api/v1/emails/confirmations_controller_spec.rb b/spec/requests/api/v1/emails/confirmations_spec.rb
similarity index 50%
rename from spec/controllers/api/v1/emails/confirmations_controller_spec.rb
rename to spec/requests/api/v1/emails/confirmations_spec.rb
index 80d6c8799d..8f5171ee78 100644
--- a/spec/controllers/api/v1/emails/confirmations_controller_spec.rb
+++ b/spec/requests/api/v1/emails/confirmations_spec.rb
@@ -2,27 +2,34 @@
 
 require 'rails_helper'
 
-RSpec.describe Api::V1::Emails::ConfirmationsController do
+RSpec.describe 'Confirmations' do
   let(:confirmed_at) { nil }
   let(:user)         { Fabricate(:user, confirmed_at: confirmed_at) }
-  let(:app)          { Fabricate(:application) }
-  let(:token)        { Fabricate(:accessible_access_token, resource_owner_id: user.id, scopes: scopes, application: app) }
-  let(:scopes)       { 'write' }
+  let(:token)        { Fabricate(:accessible_access_token, resource_owner_id: user.id, scopes: scopes) }
+  let(:scopes)       { 'read:accounts write:accounts' }
+  let(:headers)      { { 'Authorization' => "Bearer #{token.token}" } }
+
+  describe 'POST /api/v1/emails/confirmations' do
+    subject do
+      post '/api/v1/emails/confirmations', headers: headers, params: params
+    end
+
+    let(:params) { {} }
+
+    it_behaves_like 'forbidden for wrong scope', 'read read:accounts'
 
-  describe '#create' do
     context 'with an oauth token' do
-      before do
-        allow(controller).to receive(:doorkeeper_token) { token }
-      end
+      context 'when user was created by a different application' do
+        let(:user) { Fabricate(:user, confirmed_at: confirmed_at, created_by_application: Fabricate(:application)) }
 
-      context 'when from a random app' do
         it 'returns http forbidden' do
-          post :create
+          subject
+
           expect(response).to have_http_status(403)
         end
       end
 
-      context 'when from an app that created the account' do
+      context 'when user was created by the same application' do
         before do
           user.update(created_by_application: token.application)
         end
@@ -31,55 +38,79 @@ RSpec.describe Api::V1::Emails::ConfirmationsController do
           let(:confirmed_at) { Time.now.utc }
 
           it 'returns http forbidden' do
-            post :create
+            subject
+
             expect(response).to have_http_status(403)
           end
 
-          context 'with user changed e-mail and has not confirmed it' do
+          context 'when user changed e-mail and has not confirmed it' do
             before do
               user.update(email: 'foo@bar.com')
             end
 
             it 'returns http success' do
-              post :create
-              expect(response).to have_http_status(:success)
+              subject
+
+              expect(response).to have_http_status(200)
             end
           end
         end
 
         context 'when the account is unconfirmed' do
           it 'returns http success' do
-            post :create
-            expect(response).to have_http_status(:success)
+            subject
+
+            expect(response).to have_http_status(200)
+          end
+        end
+
+        context 'with email param' do
+          let(:params) { { email: 'foo@bar.com' } }
+
+          it "updates the user's e-mail address", :aggregate_failures do
+            subject
+
+            expect(response).to have_http_status(200)
+            expect(user.reload.unconfirmed_email).to eq('foo@bar.com')
+          end
+        end
+
+        context 'with invalid email param' do
+          let(:params) { { email: 'invalid' } }
+
+          it 'returns http unprocessable entity' do
+            subject
+
+            expect(response).to have_http_status(422)
           end
         end
       end
     end
 
     context 'without an oauth token' do
+      let(:headers) { {} }
+
       it 'returns http unauthorized' do
-        post :create
+        subject
+
         expect(response).to have_http_status(401)
       end
     end
   end
 
-  describe '#check' do
-    let(:scopes) { 'read' }
+  describe 'GET /api/v1/emails/check_confirmation' do
+    subject do
+      get '/api/v1/emails/check_confirmation', headers: headers
+    end
+
+    it_behaves_like 'forbidden for wrong scope', 'write'
 
     context 'with an oauth token' do
-      before do
-        allow(controller).to receive(:doorkeeper_token) { token }
-      end
-
       context 'when the account is not confirmed' do
-        it 'returns http success' do
-          get :check
-          expect(response).to have_http_status(200)
-        end
+        it 'returns the confirmation status successfully', :aggregate_failures do
+          subject
 
-        it 'returns false' do
-          get :check
+          expect(response).to have_http_status(200)
           expect(body_as_json).to be false
         end
       end
@@ -87,31 +118,27 @@ RSpec.describe Api::V1::Emails::ConfirmationsController do
       context 'when the account is confirmed' do
         let(:confirmed_at) { Time.now.utc }
 
-        it 'returns http success' do
-          get :check
-          expect(response).to have_http_status(200)
-        end
+        it 'returns the confirmation status successfully', :aggregate_failures do
+          subject
 
-        it 'returns true' do
-          get :check
+          expect(response).to have_http_status(200)
           expect(body_as_json).to be true
         end
       end
     end
 
     context 'with an authentication cookie' do
+      let(:headers) { {} }
+
       before do
         sign_in user, scope: :user
       end
 
       context 'when the account is not confirmed' do
-        it 'returns http success' do
-          get :check
-          expect(response).to have_http_status(200)
-        end
+        it 'returns the confirmation status successfully', :aggregate_failures do
+          subject
 
-        it 'returns false' do
-          get :check
+          expect(response).to have_http_status(200)
           expect(body_as_json).to be false
         end
       end
@@ -119,21 +146,20 @@ RSpec.describe Api::V1::Emails::ConfirmationsController do
       context 'when the account is confirmed' do
         let(:confirmed_at) { Time.now.utc }
 
-        it 'returns http success' do
-          get :check
-          expect(response).to have_http_status(200)
-        end
+        it 'returns the confirmation status successfully', :aggregate_failures do
+          subject
 
-        it 'returns true' do
-          get :check
+          expect(response).to have_http_status(200)
           expect(body_as_json).to be true
         end
       end
     end
 
     context 'without an oauth token and an authentication cookie' do
+      let(:headers) { {} }
+
       it 'returns http unauthorized' do
-        get :check
+        subject
 
         expect(response).to have_http_status(401)
       end
diff --git a/spec/requests/api/v1/polls_spec.rb b/spec/requests/api/v1/polls_spec.rb
new file mode 100644
index 0000000000..1c8a818d59
--- /dev/null
+++ b/spec/requests/api/v1/polls_spec.rb
@@ -0,0 +1,47 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe 'Polls' do
+  let(:user)    { Fabricate(:user) }
+  let(:scopes)  { 'read:statuses' }
+  let(:token)   { Fabricate(:accessible_access_token, resource_owner_id: user.id, scopes: scopes) }
+  let(:headers) { { 'Authorization' => "Bearer #{token.token}" } }
+
+  describe 'GET /api/v1/polls/:id' do
+    subject do
+      get "/api/v1/polls/#{poll.id}", headers: headers
+    end
+
+    let(:poll)       { Fabricate(:poll, status: Fabricate(:status, visibility: visibility)) }
+    let(:visibility) { 'public' }
+
+    it_behaves_like 'forbidden for wrong scope', 'write write:statuses'
+
+    context 'when parent status is public' do
+      it 'returns the poll data successfully', :aggregate_failures do
+        subject
+
+        expect(response).to have_http_status(200)
+        expect(body_as_json).to match(
+          a_hash_including(
+            id: poll.id.to_s,
+            voted: false,
+            voters_count: poll.voters_count,
+            votes_count: poll.votes_count
+          )
+        )
+      end
+    end
+
+    context 'when parent status is private' do
+      let(:visibility) { 'private' }
+
+      it 'returns http not found' do
+        subject
+
+        expect(response).to have_http_status(404)
+      end
+    end
+  end
+end
diff --git a/spec/requests/api/v1/statuses/bookmarks_spec.rb b/spec/requests/api/v1/statuses/bookmarks_spec.rb
new file mode 100644
index 0000000000..d3007740a5
--- /dev/null
+++ b/spec/requests/api/v1/statuses/bookmarks_spec.rb
@@ -0,0 +1,155 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe 'Bookmarks' do
+  let(:user)    { Fabricate(:user) }
+  let(:scopes)  { 'write:bookmarks' }
+  let(:token)   { Fabricate(:accessible_access_token, resource_owner_id: user.id, scopes: scopes) }
+  let(:headers) { { 'Authorization' => "Bearer #{token.token}" } }
+
+  describe 'POST /api/v1/statuses/:status_id/bookmark' do
+    subject do
+      post "/api/v1/statuses/#{status.id}/bookmark", headers: headers
+    end
+
+    let(:status) { Fabricate(:status) }
+
+    it_behaves_like 'forbidden for wrong scope', 'read'
+
+    context 'with public status' do
+      it 'bookmarks the status successfully', :aggregate_failures do
+        subject
+
+        expect(response).to have_http_status(200)
+        expect(user.account.bookmarked?(status)).to be true
+      end
+
+      it 'returns json with updated attributes' do
+        subject
+
+        expect(body_as_json).to match(
+          a_hash_including(id: status.id.to_s, bookmarked: true)
+        )
+      end
+    end
+
+    context 'with private status of not-followed account' do
+      let(:status) { Fabricate(:status, visibility: :private) }
+
+      it 'returns http not found' do
+        subject
+
+        expect(response).to have_http_status(404)
+      end
+    end
+
+    context 'with private status of followed account' do
+      let(:status) { Fabricate(:status, visibility: :private) }
+
+      before do
+        user.account.follow!(status.account)
+      end
+
+      it 'bookmarks the status successfully', :aggregate_failures do
+        subject
+
+        expect(response).to have_http_status(200)
+        expect(user.account.bookmarked?(status)).to be true
+      end
+    end
+
+    context 'when the status does not exist' do
+      it 'returns http not found' do
+        post '/api/v1/statuses/-1/bookmark', headers: headers
+
+        expect(response).to have_http_status(404)
+      end
+    end
+
+    context 'without an authorization header' do
+      let(:headers) { {} }
+
+      it 'returns http unauthorized' do
+        subject
+
+        expect(response).to have_http_status(401)
+      end
+    end
+  end
+
+  describe 'POST /api/v1/statuses/:status_id/unbookmark' do
+    subject do
+      post "/api/v1/statuses/#{status.id}/unbookmark", headers: headers
+    end
+
+    let(:status) { Fabricate(:status) }
+
+    it_behaves_like 'forbidden for wrong scope', 'read'
+
+    context 'with public status' do
+      context 'when the status was previously bookmarked' do
+        before do
+          Bookmark.find_or_create_by!(account: user.account, status: status)
+        end
+
+        it 'unbookmarks the status successfully', :aggregate_failures do
+          subject
+
+          expect(response).to have_http_status(200)
+          expect(user.account.bookmarked?(status)).to be false
+        end
+
+        it 'returns json with updated attributes' do
+          subject
+
+          expect(body_as_json).to match(
+            a_hash_including(id: status.id.to_s, bookmarked: false)
+          )
+        end
+      end
+
+      context 'when the requesting user was blocked by the status author' do
+        let(:status) { Fabricate(:status) }
+
+        before do
+          Bookmark.find_or_create_by!(account: user.account, status: status)
+          status.account.block!(user.account)
+        end
+
+        it 'unbookmarks the status successfully', :aggregate_failures do
+          subject
+
+          expect(response).to have_http_status(200)
+          expect(user.account.bookmarked?(status)).to be false
+        end
+
+        it 'returns json with updated attributes' do
+          subject
+
+          expect(body_as_json).to match(
+            a_hash_including(id: status.id.to_s, bookmarked: false)
+          )
+        end
+      end
+
+      context 'when the status is not bookmarked' do
+        it 'returns http success' do
+          subject
+
+          expect(response).to have_http_status(200)
+        end
+      end
+    end
+
+    context 'with private status that was not bookmarked' do
+      let(:status) { Fabricate(:status, visibility: :private) }
+
+      it 'returns http not found' do
+        subject
+
+        expect(response).to have_http_status(404)
+      end
+    end
+  end
+end
diff --git a/spec/requests/api/v1/statuses/favourites_spec.rb b/spec/requests/api/v1/statuses/favourites_spec.rb
new file mode 100644
index 0000000000..021b8806ed
--- /dev/null
+++ b/spec/requests/api/v1/statuses/favourites_spec.rb
@@ -0,0 +1,143 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe 'Favourites' do
+  let(:user)    { Fabricate(:user) }
+  let(:scopes)  { 'write:favourites' }
+  let(:token)   { Fabricate(:accessible_access_token, resource_owner_id: user.id, scopes: scopes) }
+  let(:headers) { { 'Authorization' => "Bearer #{token.token}" } }
+
+  describe 'POST /api/v1/statuses/:status_id/favourite' do
+    subject do
+      post "/api/v1/statuses/#{status.id}/favourite", headers: headers
+    end
+
+    let(:status) { Fabricate(:status) }
+
+    it_behaves_like 'forbidden for wrong scope', 'read read:favourites'
+
+    context 'with public status' do
+      it 'favourites the status successfully', :aggregate_failures do
+        subject
+
+        expect(response).to have_http_status(200)
+        expect(user.account.favourited?(status)).to be true
+      end
+
+      it 'returns json with updated attributes' do
+        subject
+
+        expect(body_as_json).to match(
+          a_hash_including(id: status.id.to_s, favourites_count: 1, favourited: true)
+        )
+      end
+    end
+
+    context 'with private status of not-followed account' do
+      let(:status) { Fabricate(:status, visibility: :private) }
+
+      it 'returns http not found' do
+        subject
+
+        expect(response).to have_http_status(404)
+      end
+    end
+
+    context 'with private status of followed account' do
+      let(:status) { Fabricate(:status, visibility: :private) }
+
+      before do
+        user.account.follow!(status.account)
+      end
+
+      it 'favourites the status successfully', :aggregate_failures do
+        subject
+
+        expect(response).to have_http_status(200)
+        expect(user.account.favourited?(status)).to be true
+      end
+    end
+
+    context 'without an authorization header' do
+      let(:headers) { {} }
+
+      it 'returns http unauthorized' do
+        subject
+
+        expect(response).to have_http_status(401)
+      end
+    end
+  end
+
+  describe 'POST /api/v1/statuses/:status_id/unfavourite' do
+    subject do
+      post "/api/v1/statuses/#{status.id}/unfavourite", headers: headers
+    end
+
+    let(:status) { Fabricate(:status) }
+
+    it_behaves_like 'forbidden for wrong scope', 'read read:favourites'
+
+    context 'with public status' do
+      before do
+        FavouriteService.new.call(user.account, status)
+      end
+
+      it 'unfavourites the status successfully', :aggregate_failures do
+        subject
+
+        expect(response).to have_http_status(200)
+        expect(user.account.favourited?(status)).to be false
+      end
+
+      it 'returns json with updated attributes' do
+        subject
+
+        expect(body_as_json).to match(
+          a_hash_including(id: status.id.to_s, favourites_count: 0, favourited: false)
+        )
+      end
+    end
+
+    context 'when the requesting user was blocked by the status author' do
+      before do
+        FavouriteService.new.call(user.account, status)
+        status.account.block!(user.account)
+      end
+
+      it 'unfavourites the status successfully', :aggregate_failures do
+        subject
+
+        expect(response).to have_http_status(200)
+        expect(user.account.favourited?(status)).to be false
+      end
+
+      it 'returns json with updated attributes' do
+        subject
+
+        expect(body_as_json).to match(
+          a_hash_including(id: status.id.to_s, favourites_count: 0, favourited: false)
+        )
+      end
+    end
+
+    context 'when status is not favourited' do
+      it 'returns http success' do
+        subject
+
+        expect(response).to have_http_status(200)
+      end
+    end
+
+    context 'with private status that was not favourited' do
+      let(:status) { Fabricate(:status, visibility: :private) }
+
+      it 'returns http not found' do
+        subject
+
+        expect(response).to have_http_status(404)
+      end
+    end
+  end
+end
diff --git a/spec/requests/api/v1/statuses/pins_spec.rb b/spec/requests/api/v1/statuses/pins_spec.rb
new file mode 100644
index 0000000000..db07fa424f
--- /dev/null
+++ b/spec/requests/api/v1/statuses/pins_spec.rb
@@ -0,0 +1,131 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+describe 'Pins' do
+  let(:user)    { Fabricate(:user) }
+  let(:scopes)  { 'write:accounts' }
+  let(:token)   { Fabricate(:accessible_access_token, resource_owner_id: user.id, scopes: scopes) }
+  let(:headers) { { 'Authorization' => "Bearer #{token.token}" } }
+
+  describe 'POST /api/v1/statuses/:status_id/pin' do
+    subject do
+      post "/api/v1/statuses/#{status.id}/pin", headers: headers
+    end
+
+    let(:status) { Fabricate(:status, account: user.account) }
+
+    it_behaves_like 'forbidden for wrong scope', 'read read:accounts'
+
+    context 'when the status is public' do
+      it 'pins the status successfully', :aggregate_failures do
+        subject
+
+        expect(response).to have_http_status(200)
+        expect(user.account.pinned?(status)).to be true
+      end
+
+      it 'return json with updated attributes' do
+        subject
+
+        expect(body_as_json).to match(
+          a_hash_including(id: status.id.to_s, pinned: true)
+        )
+      end
+    end
+
+    context 'when the status is private' do
+      let(:status) { Fabricate(:status, account: user.account, visibility: :private) }
+
+      it 'pins the status successfully', :aggregate_failures do
+        subject
+
+        expect(response).to have_http_status(200)
+        expect(user.account.pinned?(status)).to be true
+      end
+    end
+
+    context 'when the status belongs to somebody else' do
+      let(:status) { Fabricate(:status) }
+
+      it 'returns http unprocessable entity' do
+        subject
+
+        expect(response).to have_http_status(422)
+      end
+    end
+
+    context 'when the status does not exist' do
+      it 'returns http not found' do
+        post '/api/v1/statuses/-1/pin', headers: headers
+
+        expect(response).to have_http_status(404)
+      end
+    end
+
+    context 'without an authorization header' do
+      let(:headers) { {} }
+
+      it 'returns http unauthorized' do
+        subject
+
+        expect(response).to have_http_status(401)
+      end
+    end
+  end
+
+  describe 'POST /api/v1/statuses/:status_id/unpin' do
+    subject do
+      post "/api/v1/statuses/#{status.id}/unpin", headers: headers
+    end
+
+    let(:status) { Fabricate(:status, account: user.account) }
+
+    context 'when the status is pinned' do
+      before do
+        Fabricate(:status_pin, status: status, account: user.account)
+      end
+
+      it 'unpins the status successfully', :aggregate_failures do
+        subject
+
+        expect(response).to have_http_status(200)
+        expect(user.account.pinned?(status)).to be false
+      end
+
+      it 'return json with updated attributes' do
+        subject
+
+        expect(body_as_json).to match(
+          a_hash_including(id: status.id.to_s, pinned: false)
+        )
+      end
+    end
+
+    context 'when the status is not pinned' do
+      it 'returns http success' do
+        subject
+
+        expect(response).to have_http_status(200)
+      end
+    end
+
+    context 'when the status does not exist' do
+      it 'returns http not found' do
+        post '/api/v1/statuses/-1/unpin', headers: headers
+
+        expect(response).to have_http_status(404)
+      end
+    end
+
+    context 'without an authorization header' do
+      let(:headers) { {} }
+
+      it 'returns http unauthorized' do
+        subject
+
+        expect(response).to have_http_status(401)
+      end
+    end
+  end
+end
diff --git a/spec/requests/api/v1/timelines/home_spec.rb b/spec/requests/api/v1/timelines/home_spec.rb
new file mode 100644
index 0000000000..5834b90955
--- /dev/null
+++ b/spec/requests/api/v1/timelines/home_spec.rb
@@ -0,0 +1,101 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+describe 'Home' do
+  let(:user)    { Fabricate(:user) }
+  let(:scopes)  { 'read:statuses' }
+  let(:token)   { Fabricate(:accessible_access_token, resource_owner_id: user.id, scopes: scopes) }
+  let(:headers) { { 'Authorization' => "Bearer #{token.token}" } }
+
+  describe 'GET /api/v1/timelines/home' do
+    subject do
+      get '/api/v1/timelines/home', headers: headers, params: params
+    end
+
+    let(:params) { {} }
+
+    it_behaves_like 'forbidden for wrong scope', 'write write:statuses'
+
+    context 'when the timeline is available' do
+      let(:home_statuses) { bob.statuses + ana.statuses }
+      let!(:bob)          { Fabricate(:account) }
+      let!(:tim)          { Fabricate(:account) }
+      let!(:ana)          { Fabricate(:account) }
+
+      before do
+        user.account.follow!(bob)
+        user.account.follow!(ana)
+        PostStatusService.new.call(bob, text: 'New toot from bob.')
+        PostStatusService.new.call(tim, text: 'New toot from tim.')
+        PostStatusService.new.call(ana, text: 'New toot from ana.')
+      end
+
+      it 'returns http success' do
+        subject
+
+        expect(response).to have_http_status(200)
+      end
+
+      it 'returns the statuses of followed users' do
+        subject
+
+        expect(body_as_json.pluck(:id)).to match_array(home_statuses.map { |status| status.id.to_s })
+      end
+
+      context 'with limit param' do
+        let(:params) { { limit: 1 } }
+
+        it 'returns only the requested number of statuses' do
+          subject
+
+          expect(body_as_json.size).to eq(params[:limit])
+        end
+
+        it 'sets the correct pagination headers', :aggregate_failures do
+          subject
+
+          headers = response.headers['Link']
+
+          expect(headers.find_link(%w(rel prev)).href).to eq(api_v1_timelines_home_url(limit: 1, min_id: ana.statuses.first.id.to_s))
+          expect(headers.find_link(%w(rel next)).href).to eq(api_v1_timelines_home_url(limit: 1, max_id: ana.statuses.first.id.to_s))
+        end
+      end
+    end
+
+    context 'when the timeline is regenerating' do
+      let(:timeline) { instance_double(HomeFeed, regenerating?: true, get: []) }
+
+      before do
+        allow(HomeFeed).to receive(:new).and_return(timeline)
+      end
+
+      it 'returns http partial content' do
+        subject
+
+        expect(response).to have_http_status(206)
+      end
+    end
+
+    context 'without an authorization header' do
+      let(:headers) { {} }
+
+      it 'returns http unauthorized' do
+        subject
+
+        expect(response).to have_http_status(401)
+      end
+    end
+
+    context 'without a user context' do
+      let(:token) { Fabricate(:accessible_access_token, resource_owner_id: nil, scopes: scopes) }
+
+      it 'returns http unprocessable entity', :aggregate_failures do
+        subject
+
+        expect(response).to have_http_status(422)
+        expect(response.headers['Link']).to be_nil
+      end
+    end
+  end
+end
diff --git a/spec/services/batched_remove_status_service_spec.rb b/spec/services/batched_remove_status_service_spec.rb
index 1363c81d05..8201c9d51f 100644
--- a/spec/services/batched_remove_status_service_spec.rb
+++ b/spec/services/batched_remove_status_service_spec.rb
@@ -34,11 +34,11 @@ RSpec.describe BatchedRemoveStatusService, type: :service do
   end
 
   it 'removes statuses from author\'s home feed' do
-    expect(HomeFeed.new(alice).get(10)).to_not include([status_alice_hello.id, status_alice_other.id])
+    expect(HomeFeed.new(alice).get(10).pluck(:id)).to_not include(status_alice_hello.id, status_alice_other.id)
   end
 
   it 'removes statuses from local follower\'s home feed' do
-    expect(HomeFeed.new(jeff).get(10)).to_not include([status_alice_hello.id, status_alice_other.id])
+    expect(HomeFeed.new(jeff).get(10).pluck(:id)).to_not include(status_alice_hello.id, status_alice_other.id)
   end
 
   it 'notifies streaming API of followers' do
diff --git a/spec/services/remove_status_service_spec.rb b/spec/services/remove_status_service_spec.rb
index 77b01d3072..c19b4fac15 100644
--- a/spec/services/remove_status_service_spec.rb
+++ b/spec/services/remove_status_service_spec.rb
@@ -28,12 +28,12 @@ RSpec.describe RemoveStatusService, type: :service do
 
     it 'removes status from author\'s home feed' do
       subject.call(@status)
-      expect(HomeFeed.new(alice).get(10)).to_not include(@status.id)
+      expect(HomeFeed.new(alice).get(10).pluck(:id)).to_not include(@status.id)
     end
 
     it 'removes status from local follower\'s home feed' do
       subject.call(@status)
-      expect(HomeFeed.new(jeff).get(10)).to_not include(@status.id)
+      expect(HomeFeed.new(jeff).get(10).pluck(:id)).to_not include(@status.id)
     end
 
     it 'sends Delete activity to followers' do
diff --git a/spec/workers/tag_unmerge_worker_spec.rb b/spec/workers/tag_unmerge_worker_spec.rb
new file mode 100644
index 0000000000..5d3a12c449
--- /dev/null
+++ b/spec/workers/tag_unmerge_worker_spec.rb
@@ -0,0 +1,39 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+describe TagUnmergeWorker do
+  subject { described_class.new }
+
+  describe 'perform' do
+    let(:follower)                { Fabricate(:account) }
+    let(:followed)                { Fabricate(:account) }
+    let(:followed_tag)            { Fabricate(:tag) }
+    let(:unchanged_followed_tag)  { Fabricate(:tag) }
+    let(:status_from_followed)    { Fabricate(:status, created_at: 2.hours.ago, account: followed) }
+    let(:tagged_status)           { Fabricate(:status, created_at: 1.hour.ago) }
+    let(:unchanged_tagged_status) { Fabricate(:status) }
+
+    before do
+      tagged_status.tags << followed_tag
+      unchanged_tagged_status.tags << followed_tag
+      unchanged_tagged_status.tags << unchanged_followed_tag
+
+      tag_follow = TagFollow.create_with(rate_limit: false).find_or_create_by!(tag: followed_tag, account: follower)
+      TagFollow.create_with(rate_limit: false).find_or_create_by!(tag: unchanged_followed_tag, account: follower)
+
+      FeedManager.instance.push_to_home(follower, status_from_followed, update: false)
+      FeedManager.instance.push_to_home(follower, tagged_status, update: false)
+      FeedManager.instance.push_to_home(follower, unchanged_tagged_status, update: false)
+
+      tag_follow.destroy!
+    end
+
+    it 'removes the expected status from the feed' do
+      expect { subject.perform(followed_tag.id, follower.id) }
+        .to change { HomeFeed.new(follower).get(10).pluck(:id) }
+        .from([unchanged_tagged_status.id, tagged_status.id, status_from_followed.id])
+        .to([unchanged_tagged_status.id, status_from_followed.id])
+    end
+  end
+end
diff --git a/yarn.lock b/yarn.lock
index c80d4871e9..023fa467ab 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1279,17 +1279,17 @@
   resolved "https://registry.yarnpkg.com/@eslint/js/-/js-8.42.0.tgz#484a1d638de2911e6f5a30c12f49c7e4a3270fb6"
   integrity sha512-6SWlXpWU5AvId8Ac7zjzmIOqMOba/JWY8XZ4A7q7Gn1Vlfg/SFFIlrtHXt9nPn4op9ZPAkl91Jao+QQv3r/ukw==
 
-"@floating-ui/core@^1.3.0":
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/@floating-ui/core/-/core-1.3.0.tgz#113bc85fa102cf890ae801668f43ee265c547a09"
-  integrity sha512-vX1WVAdPjZg9DkDkC+zEx/tKtnST6/qcNpwcjeBgco3XRNHz5PUA+ivi/yr6G3o0kMR60uKBJcfOdfzOFI7PMQ==
+"@floating-ui/core@^1.3.1":
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/@floating-ui/core/-/core-1.3.1.tgz#4d795b649cc3b1cbb760d191c80dcb4353c9a366"
+  integrity sha512-Bu+AMaXNjrpjh41znzHqaz3r2Nr8hHuHZT6V2LBKMhyMl0FgKA62PNYbqnfgmzOhoWZj70Zecisbo4H1rotP5g==
 
 "@floating-ui/dom@^1.0.1":
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/@floating-ui/dom/-/dom-1.3.0.tgz#69456f2164fc3d33eb40837686eaf71537235ac9"
-  integrity sha512-qIAwejE3r6NeA107u4ELDKkH8+VtgRKdXqtSPaKflL2S2V+doyN+Wt9s5oHKXPDo4E8TaVXaHT3+6BbagH31xw==
+  version "1.4.5"
+  resolved "https://registry.yarnpkg.com/@floating-ui/dom/-/dom-1.4.5.tgz#336dfb9870c98b471ff5802002982e489b8bd1c5"
+  integrity sha512-96KnRWkRnuBSSFbj0sFGwwOUd8EkiecINVl0O9wiZlZ64EkpyAOG3Xc2vKKNJmru0Z7RqWNymA+6b8OZqjgyyw==
   dependencies:
-    "@floating-ui/core" "^1.3.0"
+    "@floating-ui/core" "^1.3.1"
 
 "@formatjs/cli@^6.1.1":
   version "6.1.3"
@@ -9701,9 +9701,9 @@ react-router@^4.3.1:
     warning "^4.0.1"
 
 react-select@*, react-select@^5.7.3:
-  version "5.7.3"
-  resolved "https://registry.yarnpkg.com/react-select/-/react-select-5.7.3.tgz#fa0dc9a23cad6ff3871ad3829f6083a4b54961a2"
-  integrity sha512-z8i3NCuFFWL3w27xq92rBkVI2onT0jzIIPe480HlBjXJ3b5o6Q+Clp4ydyeKrj9DZZ3lrjawwLC5NGl0FSvUDg==
+  version "5.7.4"
+  resolved "https://registry.yarnpkg.com/react-select/-/react-select-5.7.4.tgz#d8cad96e7bc9d6c8e2709bdda8f4363c5dd7ea7d"
+  integrity sha512-NhuE56X+p9QDFh4BgeygHFIvJJszO1i1KSkg/JPcIJrbovyRtI+GuOEa4XzFCEpZRAEoEI8u/cAHK+jG/PgUzQ==
   dependencies:
     "@babel/runtime" "^7.12.0"
     "@emotion/cache" "^11.4.0"