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

Conflicts: - `app/javascript/mastodon/actions/compose.js`: Not a “real” conflict, but change too close to a change we made to fix the vanilla WebUI locally pushing authored local-only toots in the public TL view.
2020-07-22 13:38:17 +02:00 · 2020-07-22 13:38:17 +02:00 · b9f351d845
commit b9f351d845
parent 801e546ecc 5d9acc0ce4
90 changed files with 414 additions and 144 deletions
--- a/.buildpacks
+++ b/.buildpacks
@ -1,4 +1,3 @@
 https://github.com/heroku/heroku-buildpack-apt
 https://github.com/Scalingo/ffmpeg-buildpack
-https://github.com/Scalingo/nodejs-buildpack
 https://github.com/Scalingo/ruby-buildpack
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@ -72,11 +72,12 @@ aliases:
        - run:
            name: Set bundler settings
            command: |
-              bundle config clean 'true'
-              bundle config deployment 'true'
-              bundle config with 'pam_authentication'
-              bundle config without 'development production'
-              bundle config frozen 'true'
+              bundle config --local clean 'true'
+              bundle config --local deployment 'true'
+              bundle config --local with 'pam_authentication'
+              bundle config --local without 'development production'
+              bundle config --local frozen 'true'
+              bundle config --local path $BUNDLE_PATH
        - run:
            name: Install bundler dependencies
            command: bundle check || (bundle install && bundle clean)
--- a/app.json
+++ b/app.json
@ -88,9 +88,6 @@
    {
      "url": "https://github.com/heroku/heroku-buildpack-apt"
    },
-    {
-      "url": "heroku/nodejs"
-    },
    {
      "url": "heroku/ruby"
    }
--- a/app/controllers/api/v1/statuses_controller.rb
+++ b/app/controllers/api/v1/statuses_controller.rb
@ -58,6 +58,7 @@ class Api::V1::StatusesController < Api::BaseController

    @status.discard
    RemovalWorker.perform_async(@status.id, redraft: true)
+    @status.account.statuses_count = @status.account.statuses_count - 1

    render json: @status, serializer: REST::StatusSerializer, source_requested: true
  end
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@ -56,7 +56,7 @@ class ApplicationController < ActionController::Base
  end

  def store_current_location
-    store_location_for(:user, request.url) unless request.format == :json
+    store_location_for(:user, request.url) unless [:json, :rss].include?(request.format&.to_sym)
  end

  def require_admin!
--- a/app/javascript/mastodon/actions/compose.js
+++ b/app/javascript/mastodon/actions/compose.js
@ -163,7 +163,6 @@ export function submitCompose(routerHistory) {

      // To make the app more responsive, immediately push the status
      // into the columns
-
      const insertIfOnline = timelineId => {
        const timeline = getState().getIn(['timelines', timelineId]);

@ -181,6 +180,7 @@ export function submitCompose(routerHistory) {
        if (!response.data.local_only) {
          insertIfOnline('public');
        }
+        insertIfOnline(`account:${response.data.account.id}`);
      }
    }).catch(function (error) {
      dispatch(submitComposeFail(error));
--- a/app/javascript/mastodon/actions/statuses.js
+++ b/app/javascript/mastodon/actions/statuses.js
@ -3,7 +3,7 @@ import openDB from '../storage/db';
 import { evictStatus } from '../storage/modifier';

 import { deleteFromTimelines } from './timelines';
-import { importFetchedStatus, importFetchedStatuses, importAccount, importStatus } from './importer';
+import { importFetchedStatus, importFetchedStatuses, importAccount, importStatus, importFetchedAccount } from './importer';
 import { ensureComposeIsVisible } from './compose';

 export const STATUS_FETCH_REQUEST = 'STATUS_FETCH_REQUEST';
@ -155,6 +155,7 @@ export function deleteStatus(id, routerHistory, withRedraft = false) {
      evictStatus(id);
      dispatch(deleteStatusSuccess(id));
      dispatch(deleteFromTimelines(id));
+      dispatch(importFetchedAccount(response.data.account));

      if (withRedraft) {
        dispatch(redraft(status, response.data.text));
--- a/app/javascript/mastodon/actions/streaming.js
+++ b/app/javascript/mastodon/actions/streaming.js
@ -72,6 +72,7 @@ const refreshHomeTimelineAndNotification = (dispatch, done) => {
 };

 export const connectUserStream         = () => connectTimelineStream('home', 'user', refreshHomeTimelineAndNotification);
+export const connectUserTimelineStream = (accountId) => connectTimelineStream(`account:${accountId}`, 'user');
 export const connectCommunityStream    = ({ onlyMedia } = {}) => connectTimelineStream(`community${onlyMedia ? ':media' : ''}`, `public:local${onlyMedia ? ':media' : ''}`);
 export const connectPublicStream       = ({ onlyMedia, onlyRemote } = {}) => connectTimelineStream(`public${onlyRemote ? ':remote' : ''}${onlyMedia ? ':media' : ''}`, `public${onlyRemote ? ':remote' : ''}${onlyMedia ? ':media' : ''}`);
 export const connectHashtagStream      = (id, tag, local, accept) => connectTimelineStream(`hashtag:${id}${local ? ':local' : ''}`, `hashtag${local ? ':local' : ''}&tag=${tag}`, null, accept);
--- a/app/javascript/mastodon/components/common_counter.js
+++ b/app/javascript/mastodon/components/common_counter.js
@ -37,7 +37,7 @@ export function counterRenderer(counterType, isBold = true) {
    return (displayNumber, pluralReady) => (
      <FormattedMessage
        id='account.following_counter'
-        defaultMessage='{count, plural, other {{counter} Following}}'
+        defaultMessage='{count, plural, one {{counter} Following} other {{counter} Following}}'
        values={{
          count: pluralReady,
          counter: renderCounter(displayNumber),
--- a/app/javascript/mastodon/components/scrollable_list.js
+++ b/app/javascript/mastodon/components/scrollable_list.js
@ -20,7 +20,7 @@ const mapStateToProps = (state, { scrollKey }) => {
  };
 };

-export default @connect(mapStateToProps)
+export default @connect(mapStateToProps, null, null, { forwardRef: true })
 class ScrollableList extends PureComponent {

  static contextTypes = {
--- a/app/javascript/mastodon/features/account_timeline/index.js
+++ b/app/javascript/mastodon/features/account_timeline/index.js
@ -15,6 +15,8 @@ import { FormattedMessage } from 'react-intl';
 import { fetchAccountIdentityProofs } from '../../actions/identity_proofs';
 import MissingIndicator from 'mastodon/components/missing_indicator';
 import TimelineHint from 'mastodon/components/timeline_hint';
+import { me } from 'mastodon/initial_state';
+import { connectUserTimelineStream } from '../../actions/streaming';

 const emptyList = ImmutableList();

@ -73,6 +75,12 @@ class AccountTimeline extends ImmutablePureComponent {
    this.props.dispatch(expandAccountTimeline(accountId, { withReplies }));
  }

+  componentDidMount () {
+    if (this.props.params.accountId === me) {
+      this.disconnect = this.props.dispatch(connectUserTimelineStream(me));
+    }
+  }
+
  componentWillReceiveProps (nextProps) {
    if ((nextProps.params.accountId !== this.props.params.accountId && nextProps.params.accountId) || nextProps.withReplies !== this.props.withReplies) {
      this.props.dispatch(fetchAccount(nextProps.params.accountId));
@ -86,6 +94,13 @@ class AccountTimeline extends ImmutablePureComponent {
    }
  }

+  componentWillUnmount () {
+    if (this.disconnect) {
+      this.disconnect();
+      this.disconnect = null;
+    }
+  }
+
  handleLoadMore = maxId => {
    this.props.dispatch(expandAccountTimeline(this.props.params.accountId, { maxId, withReplies: this.props.withReplies }));
  }
--- a/app/javascript/mastodon/locales/ar.json
+++ b/app/javascript/mastodon/locales/ar.json
@ -16,7 +16,7 @@
  "account.followers": "مُتابِعون",
  "account.followers.empty": "لا أحد يتبع هذا الحساب بعد.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "هذا الحساب لا يتبع أحدًا بعد.",
  "account.follows_you": "يتابعك",
  "account.hide_reblogs": "إخفاء ترقيات @{name}",
--- a/app/javascript/mastodon/locales/ast.json
+++ b/app/javascript/mastodon/locales/ast.json
@ -16,7 +16,7 @@
  "account.followers": "Siguidores",
  "account.followers.empty": "Naide sigue a esti usuariu entá.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "Esti usuariu entá nun sigue a naide.",
  "account.follows_you": "Síguete",
  "account.hide_reblogs": "Anubrir les comparticiones de @{name}",
--- a/app/javascript/mastodon/locales/bg.json
+++ b/app/javascript/mastodon/locales/bg.json
@ -16,7 +16,7 @@
  "account.followers": "Последователи",
  "account.followers.empty": "Все още никой не следва този потребител.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "Този потребител все още не следва никого.",
  "account.follows_you": "Твой последовател",
  "account.hide_reblogs": "Hide boosts from @{name}",
--- a/app/javascript/mastodon/locales/bn.json
+++ b/app/javascript/mastodon/locales/bn.json
@ -16,7 +16,7 @@
  "account.followers": "অনুসরণকারী",
  "account.followers.empty": "এই সদস্যকে এখনো কেউ অনুসরণ করে না।.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "এই সদস্য কাওকে এখনো অনুসরণ করেন না.",
  "account.follows_you": "আপনাকে অনুসরণ করে",
  "account.hide_reblogs": "@{name}'র সমর্থনগুলি লুকিয়ে ফেলুন",
--- a/app/javascript/mastodon/locales/cs.json
+++ b/app/javascript/mastodon/locales/cs.json
@ -16,7 +16,7 @@
  "account.followers": "Sledující",
  "account.followers.empty": "Tohoto uživatele ještě nikdo nesleduje.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "Tento uživatel ještě nikoho nesleduje.",
  "account.follows_you": "Sleduje vás",
  "account.hide_reblogs": "Skrýt boosty od uživatele @{name}",
--- a/app/javascript/mastodon/locales/cy.json
+++ b/app/javascript/mastodon/locales/cy.json
@ -16,7 +16,7 @@
  "account.followers": "Dilynwyr",
  "account.followers.empty": "Nid oes neb yn dilyn y defnyddiwr hwn eto.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "Nid yw'r defnyddiwr hwn yn dilyn unrhyw un eto.",
  "account.follows_you": "Yn eich dilyn chi",
  "account.hide_reblogs": "Cuddio bwstiau o @{name}",
--- a/app/javascript/mastodon/locales/da.json
+++ b/app/javascript/mastodon/locales/da.json
@ -16,7 +16,7 @@
  "account.followers": "Følgere",
  "account.followers.empty": "Der er endnu ingen der følger denne bruger.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "Denne bruger følger endnu ikke nogen.",
  "account.follows_you": "Følger dig",
  "account.hide_reblogs": "Skjul fremhævelserne fra @{name}",
--- a/app/javascript/mastodon/locales/defaultMessages.json
+++ b/app/javascript/mastodon/locales/defaultMessages.json
@ -146,7 +146,7 @@
        "id": "account.statuses_counter"
      },
      {
-        "defaultMessage": "{count, plural, other {{counter} Following}}",
+        "defaultMessage": "{count, plural, one {{counter} Following} other {{counter} Following}}",
        "id": "account.following_counter"
      },
      {
@ -2659,6 +2659,22 @@
        "defaultMessage": "Boost",
        "id": "status.reblog"
      },
+      {
+        "defaultMessage": "Public",
+        "id": "privacy.public.short"
+      },
+      {
+        "defaultMessage": "Unlisted",
+        "id": "privacy.unlisted.short"
+      },
+      {
+        "defaultMessage": "Followers-only",
+        "id": "privacy.private.short"
+      },
+      {
+        "defaultMessage": "Direct",
+        "id": "privacy.direct.short"
+      },
      {
        "defaultMessage": "You can press {combo} to skip this next time",
        "id": "boost_modal.combo"
--- a/app/javascript/mastodon/locales/en.json
+++ b/app/javascript/mastodon/locales/en.json
@ -16,7 +16,7 @@
  "account.followers": "Followers",
  "account.followers.empty": "No one follows this user yet.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "This user doesn't follow anyone yet.",
  "account.follows_you": "Follows you",
  "account.hide_reblogs": "Hide boosts from @{name}",
--- a/app/javascript/mastodon/locales/et.json
+++ b/app/javascript/mastodon/locales/et.json
@ -16,7 +16,7 @@
  "account.followers": "Jälgijad",
  "account.followers.empty": "Keegi ei jälgi seda kasutajat veel.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "See kasutaja ei jälgi veel kedagi.",
  "account.follows_you": "Jälgib Teid",
  "account.hide_reblogs": "Peida upitused kasutajalt @{name}",
--- a/app/javascript/mastodon/locales/eu.json
+++ b/app/javascript/mastodon/locales/eu.json
@ -16,7 +16,7 @@
  "account.followers": "Jarraitzaileak",
  "account.followers.empty": "Ez du inork erabiltzaile hau jarraitzen oraindik.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "Erabiltzaile honek ez du inor jarraitzen oraindik.",
  "account.follows_you": "Jarraitzen dizu",
  "account.hide_reblogs": "Ezkutatu @{name}(r)en bultzadak",
--- a/app/javascript/mastodon/locales/fi.json
+++ b/app/javascript/mastodon/locales/fi.json
@ -16,7 +16,7 @@
  "account.followers": "Seuraajaa",
  "account.followers.empty": "Tällä käyttäjällä ei ole vielä seuraajia.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "Tämä käyttäjä ei vielä seuraa ketään.",
  "account.follows_you": "Seuraa sinua",
  "account.hide_reblogs": "Piilota buustaukset käyttäjältä @{name}",
--- a/app/javascript/mastodon/locales/ga.json
+++ b/app/javascript/mastodon/locales/ga.json
@ -16,7 +16,7 @@
  "account.followers": "Followers",
  "account.followers.empty": "No one follows this user yet.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "This user doesn't follow anyone yet.",
  "account.follows_you": "Follows you",
  "account.hide_reblogs": "Hide boosts from @{name}",
--- a/app/javascript/mastodon/locales/he.json
+++ b/app/javascript/mastodon/locales/he.json
@ -16,7 +16,7 @@
  "account.followers": "עוקבים",
  "account.followers.empty": "אף אחד לא עוקב אחר המשתמש הזה עדיין.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "משתמש זה לא עוקב אחר אף אחד עדיין.",
  "account.follows_you": "במעקב אחריך",
  "account.hide_reblogs": "להסתיר הידהודים מאת @{name}",
--- a/app/javascript/mastodon/locales/hi.json
+++ b/app/javascript/mastodon/locales/hi.json
@ -16,7 +16,7 @@
  "account.followers": "फॉलोवर",
  "account.followers.empty": "कोई भी इस यूज़र् को फ़ॉलो नहीं करता है",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "यह यूज़र् अभी तक किसी को फॉलो नहीं करता है।",
  "account.follows_you": "आपको फॉलो करता है",
  "account.hide_reblogs": "@{name} के बूस्ट छुपाएं",
--- a/app/javascript/mastodon/locales/hr.json
+++ b/app/javascript/mastodon/locales/hr.json
@ -16,7 +16,7 @@
  "account.followers": "Sljedbenici",
  "account.followers.empty": "No one follows this user yet.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "This user doesn't follow anyone yet.",
  "account.follows_you": "te slijedi",
  "account.hide_reblogs": "Hide boosts from @{name}",
--- a/app/javascript/mastodon/locales/id.json
+++ b/app/javascript/mastodon/locales/id.json
@ -16,7 +16,7 @@
  "account.followers": "Pengikut",
  "account.followers.empty": "Tidak ada satupun yang mengkuti pengguna ini saat ini.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "Pengguna ini belum mengikuti siapapun.",
  "account.follows_you": "Mengikuti anda",
  "account.hide_reblogs": "Sembunyikan boosts dari @{name}",
--- a/app/javascript/mastodon/locales/io.json
+++ b/app/javascript/mastodon/locales/io.json
@ -16,7 +16,7 @@
  "account.followers": "Sequanti",
  "account.followers.empty": "No one follows this user yet.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "This user doesn't follow anyone yet.",
  "account.follows_you": "Sequas tu",
  "account.hide_reblogs": "Hide boosts from @{name}",
--- a/app/javascript/mastodon/locales/is.json
+++ b/app/javascript/mastodon/locales/is.json
@ -16,7 +16,7 @@
  "account.followers": "Fylgjendur",
  "account.followers.empty": "Ennþá fylgist enginn með þessum notanda.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "Þessi notandi fylgist ennþá ekki með neinum.",
  "account.follows_you": "Fylgir þér",
  "account.hide_reblogs": "Fela endurbirtingar fyrir @{name}",
--- a/app/javascript/mastodon/locales/ka.json
+++ b/app/javascript/mastodon/locales/ka.json
@ -16,7 +16,7 @@
  "account.followers": "მიმდევრები",
  "account.followers.empty": "No one follows this user yet.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "This user doesn't follow anyone yet.",
  "account.follows_you": "მოგყვებათ",
  "account.hide_reblogs": "დაიმალოს ბუსტები @{name}-სგან",
--- a/app/javascript/mastodon/locales/kab.json
+++ b/app/javascript/mastodon/locales/kab.json
@ -16,7 +16,7 @@
  "account.followers": "Imeḍfaren",
  "account.followers.empty": "Ar tura, ulac yiwen i yeṭṭafaṛen amseqdac-agi.",
  "account.followers_counter": "{count, plural, one {{count} n umeḍfar} other {{count} n imeḍfaren}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "Ar tura, amseqdac-agi ur yeṭṭafaṛ yiwen.",
  "account.follows_you": "Yeṭṭafaṛ-ik",
  "account.hide_reblogs": "Ffer ayen i ibeṭṭu @{name}",
--- a/app/javascript/mastodon/locales/kk.json
+++ b/app/javascript/mastodon/locales/kk.json
@ -16,7 +16,7 @@
  "account.followers": "Оқырмандар",
  "account.followers.empty": "Әлі ешкім жазылмаған.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "Ешкімге жазылмапты.",
  "account.follows_you": "Сізге жазылыпты",
  "account.hide_reblogs": "@{name} атты қолданушының әрекеттерін жасыру",
--- a/app/javascript/mastodon/locales/kn.json
+++ b/app/javascript/mastodon/locales/kn.json
@ -16,7 +16,7 @@
  "account.followers": "Followers",
  "account.followers.empty": "No one follows this user yet.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "This user doesn't follow anyone yet.",
  "account.follows_you": "Follows you",
  "account.hide_reblogs": "Hide boosts from @{name}",
--- a/app/javascript/mastodon/locales/ku.json
+++ b/app/javascript/mastodon/locales/ku.json
@ -16,7 +16,7 @@
  "account.followers": "Followers",
  "account.followers.empty": "No one follows this user yet.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "This user doesn't follow anyone yet.",
  "account.follows_you": "Follows you",
  "account.hide_reblogs": "Hide boosts from @{name}",
--- a/app/javascript/mastodon/locales/lt.json
+++ b/app/javascript/mastodon/locales/lt.json
@ -16,7 +16,7 @@
  "account.followers": "Followers",
  "account.followers.empty": "No one follows this user yet.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "This user doesn't follow anyone yet.",
  "account.follows_you": "Follows you",
  "account.hide_reblogs": "Hide boosts from @{name}",
--- a/app/javascript/mastodon/locales/lv.json
+++ b/app/javascript/mastodon/locales/lv.json
@ -16,7 +16,7 @@
  "account.followers": "Sekotāji",
  "account.followers.empty": "Šim lietotājam nav sekotāju.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "Šis lietotājs pagaidām nevienam neseko.",
  "account.follows_you": "Seko tev",
  "account.hide_reblogs": "Paslēpt paceltos ierakstus no lietotāja @{name}",
--- a/app/javascript/mastodon/locales/mk.json
+++ b/app/javascript/mastodon/locales/mk.json
@ -16,7 +16,7 @@
  "account.followers": "Следбеници",
  "account.followers.empty": "Никој не го следи овој корисник сеуште.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "Корисникот не следи никој сеуште.",
  "account.follows_you": "Те следи тебе",
  "account.hide_reblogs": "Сокриј буст од @{name}",
--- a/app/javascript/mastodon/locales/ml.json
+++ b/app/javascript/mastodon/locales/ml.json
@ -16,7 +16,7 @@
  "account.followers": "പിന്തുടരുന്നവർ",
  "account.followers.empty": "ഈ ഉപയോക്താവിനെ ആരും ഇതുവരെ പിന്തുടരുന്നില്ല.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "ഈ ഉപയോക്താവ് ആരേയും ഇതുവരെ പിന്തുടരുന്നില്ല.",
  "account.follows_you": "നിങ്ങളെ പിന്തുടരുന്നു",
  "account.hide_reblogs": "@{name} ബൂസ്റ്റ് ചെയ്തവ മറയ്കുക",
--- a/app/javascript/mastodon/locales/mr.json
+++ b/app/javascript/mastodon/locales/mr.json
@ -16,7 +16,7 @@
  "account.followers": "अनुयायी",
  "account.followers.empty": "ह्या वापरकर्त्याचा आतापर्यंत कोणी अनुयायी नाही.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "हा वापरकर्ता अजूनपर्यंत कोणाचा अनुयायी नाही.",
  "account.follows_you": "तुमचा अनुयायी आहे",
  "account.hide_reblogs": "@{name} पासून सर्व बूस्ट लपवा",
--- a/app/javascript/mastodon/locales/ms.json
+++ b/app/javascript/mastodon/locales/ms.json
@ -16,7 +16,7 @@
  "account.followers": "Followers",
  "account.followers.empty": "No one follows this user yet.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "This user doesn't follow anyone yet.",
  "account.follows_you": "Follows you",
  "account.hide_reblogs": "Hide boosts from @{name}",
--- a/app/javascript/mastodon/locales/nl.json
+++ b/app/javascript/mastodon/locales/nl.json
@ -16,7 +16,7 @@
  "account.followers": "Volgers",
  "account.followers.empty": "Niemand volgt nog deze gebruiker.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "Deze gebruiker volgt nog niemand.",
  "account.follows_you": "Volgt jou",
  "account.hide_reblogs": "Verberg boosts van @{name}",
--- a/app/javascript/mastodon/locales/nn.json
+++ b/app/javascript/mastodon/locales/nn.json
@ -16,7 +16,7 @@
  "account.followers": "Fylgjarar",
  "account.followers.empty": "Ingen fylgjer denne brukaren enno.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "Denne brukaren fylgjer ikkje nokon enno.",
  "account.follows_you": "Fylgjer deg",
  "account.hide_reblogs": "Gøym fremhevingar frå @{name}",
--- a/app/javascript/mastodon/locales/no.json
+++ b/app/javascript/mastodon/locales/no.json
@ -16,7 +16,7 @@
  "account.followers": "Følgere",
  "account.followers.empty": "Ingen følger denne brukeren ennå.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "Denne brukeren følger ikke noen enda.",
  "account.follows_you": "Følger deg",
  "account.hide_reblogs": "Skjul fremhevinger fra @{name}",
--- a/app/javascript/mastodon/locales/oc.json
+++ b/app/javascript/mastodon/locales/oc.json
@ -16,7 +16,7 @@
  "account.followers": "Seguidors",
  "account.followers.empty": "Degun sèc pas aqueste utilizaire pel moment.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "Aqueste utilizaire sèc pas degun pel moment.",
  "account.follows_you": "Vos sèc",
  "account.hide_reblogs": "Rescondre los partatges de @{name}",
--- a/app/javascript/mastodon/locales/pl.json
+++ b/app/javascript/mastodon/locales/pl.json
@ -16,7 +16,7 @@
  "account.followers": "Śledzący",
  "account.followers.empty": "Nikt jeszcze nie śledzi tego użytkownika.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "Ten użytkownik nie śledzi jeszcze nikogo.",
  "account.follows_you": "Śledzi Cię",
  "account.hide_reblogs": "Ukryj podbicia od @{name}",
--- a/app/javascript/mastodon/locales/ro.json
+++ b/app/javascript/mastodon/locales/ro.json
@ -16,7 +16,7 @@
  "account.followers": "Urmăritori",
  "account.followers.empty": "Acest utilizator nu are încă urmăritori.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "Acest utilizator nu urmărește pe nimeni încă.",
  "account.follows_you": "Te urmărește",
  "account.hide_reblogs": "Ascunde impulsurile de la @{name}",
--- a/app/javascript/mastodon/locales/sc.json
+++ b/app/javascript/mastodon/locales/sc.json
@ -16,7 +16,7 @@
  "account.followers": "Sighiduras",
  "account.followers.empty": "Nemos sighit ancora custa persone.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "Custa persone non sighit ancora a nemos.",
  "account.follows_you": "Ti sighit",
  "account.hide_reblogs": "Cua is cumpartziduras de @{name}",
--- a/app/javascript/mastodon/locales/sk.json
+++ b/app/javascript/mastodon/locales/sk.json
@ -16,7 +16,7 @@
  "account.followers": "Sledujúci",
  "account.followers.empty": "Tohto používateľa ešte nikto nenásleduje.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "Tento používateľ ešte nikoho nenasleduje.",
  "account.follows_you": "Nasleduje ťa",
  "account.hide_reblogs": "Skry vyzdvihnutia od @{name}",
--- a/app/javascript/mastodon/locales/sl.json
+++ b/app/javascript/mastodon/locales/sl.json
@ -16,7 +16,7 @@
  "account.followers": "Sledilci",
  "account.followers.empty": "Nihče ne sledi temu uporabniku.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "Ta uporabnik še ne sledi nikomur.",
  "account.follows_you": "Sledi tebi",
  "account.hide_reblogs": "Skrij spodbude od @{name}",
--- a/app/javascript/mastodon/locales/sr-Latn.json
+++ b/app/javascript/mastodon/locales/sr-Latn.json
@ -16,7 +16,7 @@
  "account.followers": "Pratioca",
  "account.followers.empty": "No one follows this user yet.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "This user doesn't follow anyone yet.",
  "account.follows_you": "Prati Vas",
  "account.hide_reblogs": "Sakrij podrške koje daje korisnika @{name}",
--- a/app/javascript/mastodon/locales/sr.json
+++ b/app/javascript/mastodon/locales/sr.json
@ -16,7 +16,7 @@
  "account.followers": "Пратиоци",
  "account.followers.empty": "Тренутно нико не прати овог корисника.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "Корисник тренутно не прати никога.",
  "account.follows_you": "Прати Вас",
  "account.hide_reblogs": "Сакриј подршке које даје корисника @{name}",
--- a/app/javascript/mastodon/locales/sv.json
+++ b/app/javascript/mastodon/locales/sv.json
@ -16,7 +16,7 @@
  "account.followers": "Följare",
  "account.followers.empty": "Ingen följer denna användare än.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "Denna användare följer inte någon än.",
  "account.follows_you": "Följer dig",
  "account.hide_reblogs": "Dölj knuffar från @{name}",
--- a/app/javascript/mastodon/locales/szl.json
+++ b/app/javascript/mastodon/locales/szl.json
@ -16,7 +16,7 @@
  "account.followers": "Followers",
  "account.followers.empty": "No one follows this user yet.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "This user doesn't follow anyone yet.",
  "account.follows_you": "Follows you",
  "account.hide_reblogs": "Hide boosts from @{name}",
--- a/app/javascript/mastodon/locales/ta.json
+++ b/app/javascript/mastodon/locales/ta.json
@ -16,7 +16,7 @@
  "account.followers": "பின்தொடர்பவர்கள்",
  "account.followers.empty": "இதுவரை யாரும் இந்த பயனரைப் பின்தொடரவில்லை.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "இந்த பயனர் இதுவரை யாரையும் பின்தொடரவில்லை.",
  "account.follows_you": "உங்களைப் பின்தொடர்கிறார்",
  "account.hide_reblogs": "இருந்து ஊக்கியாக மறை @{name}",
--- a/app/javascript/mastodon/locales/tai.json
+++ b/app/javascript/mastodon/locales/tai.json
@ -16,7 +16,7 @@
  "account.followers": "Followers",
  "account.followers.empty": "No one follows this user yet.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "This user doesn't follow anyone yet.",
  "account.follows_you": "Follows you",
  "account.hide_reblogs": "Hide boosts from @{name}",
--- a/app/javascript/mastodon/locales/te.json
+++ b/app/javascript/mastodon/locales/te.json
@ -16,7 +16,7 @@
  "account.followers": "అనుచరులు",
  "account.followers.empty": "ఈ వినియోగదారుడిని ఇంకా ఎవరూ అనుసరించడంలేదు.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "ఈ వినియోగదారి ఇంకా ఎవరినీ అనుసరించడంలేదు.",
  "account.follows_you": "మిమ్మల్ని అనుసరిస్తున్నారు",
  "account.hide_reblogs": "@{name} నుంచి బూస్ట్ లను దాచిపెట్టు",
--- a/app/javascript/mastodon/locales/th.json
+++ b/app/javascript/mastodon/locales/th.json
@ -16,7 +16,7 @@
  "account.followers": "ผู้ติดตาม",
  "account.followers.empty": "ยังไม่มีใครติดตามผู้ใช้นี้",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "ผู้ใช้นี้ยังไม่ได้ติดตามใคร",
  "account.follows_you": "ติดตามคุณ",
  "account.hide_reblogs": "ซ่อนการดันจาก @{name}",
--- a/app/javascript/mastodon/locales/tr.json
+++ b/app/javascript/mastodon/locales/tr.json
@ -16,7 +16,7 @@
  "account.followers": "Takipçi",
  "account.followers.empty": "Henüz kimse bu kullanıcıyı takip etmiyor.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "Bu kullanıcı henüz kimseyi takip etmiyor.",
  "account.follows_you": "Seni takip ediyor",
  "account.hide_reblogs": "@{name} kişisinin yinelemelerini gizle",
--- a/app/javascript/mastodon/locales/ug.json
+++ b/app/javascript/mastodon/locales/ug.json
@ -16,7 +16,7 @@
  "account.followers": "Followers",
  "account.followers.empty": "No one follows this user yet.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "This user doesn't follow anyone yet.",
  "account.follows_you": "Follows you",
  "account.hide_reblogs": "Hide boosts from @{name}",
--- a/app/javascript/mastodon/locales/uk.json
+++ b/app/javascript/mastodon/locales/uk.json
@ -16,7 +16,7 @@
  "account.followers": "Підписники",
  "account.followers.empty": "Ніхто ще не підписався на цього користувача.",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "Цей користувач ще ні на кого не підписався.",
  "account.follows_you": "Підписаний(-а) на вас",
  "account.hide_reblogs": "Сховати передмухи від @{name}",
--- a/app/javascript/mastodon/locales/ur.json
+++ b/app/javascript/mastodon/locales/ur.json
@ -16,7 +16,7 @@
  "account.followers": "پیروکار",
  "account.followers.empty": "\"ہنوز اس صارف کی کوئی پیروی نہیں کرتا\".",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "\"یہ صارف ہنوز کسی کی پیروی نہیں کرتا ہے\".",
  "account.follows_you": "آپ کا پیروکار ہے",
  "account.hide_reblogs": "@{name} سے فروغ چھپائیں",
--- a/app/javascript/mastodon/locales/zh-HK.json
+++ b/app/javascript/mastodon/locales/zh-HK.json
@ -16,7 +16,7 @@
  "account.followers": "關注的人",
  "account.followers.empty": "尚沒有人關注這位使用者。",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "這位使用者尚未關注任何使用者。",
  "account.follows_you": "關注你",
  "account.hide_reblogs": "隱藏 @{name} 的轉推",
--- a/app/javascript/mastodon/locales/zh-TW.json
+++ b/app/javascript/mastodon/locales/zh-TW.json
@ -16,7 +16,7 @@
  "account.followers": "關注者",
  "account.followers.empty": "尚沒有人關注這位使用者。",
  "account.followers_counter": "{count, plural, one {{counter} Follower} other {{counter} Followers}}",
-  "account.following_counter": "{count, plural, other {{counter} Following}}",
+  "account.following_counter": "{count, plural, one {{counter} Following} other {{counter} Following}}",
  "account.follows.empty": "這位使用者尚未關注任何使用者。",
  "account.follows_you": "關注了你",
  "account.hide_reblogs": "隱藏來自 @{name} 的轉推",
--- a/app/javascript/styles/mastodon-light/diff.scss
+++ b/app/javascript/styles/mastodon-light/diff.scss
@ -767,10 +767,3 @@ html {
 .compose-form .compose-form__warning {
  box-shadow: none;
 }
-
-.audio-player .video-player__controls button,
-.audio-player .video-player__time-sep,
-.audio-player .video-player__time-current,
-.audio-player .video-player__time-total {
-  color: $primary-text-color;
-}
--- a/app/lib/activitypub/activity.rb
+++ b/app/lib/activitypub/activity.rb
@ -157,6 +157,34 @@ class ActivityPub::Activity
    fetch_remote_original_status
  end

+  def dereference_object!
+    return unless @object.is_a?(String)
+    return if invalid_origin?(@object)
+
+    object = fetch_resource(@object, true, signed_fetch_account)
+    return unless object.present? && object.is_a?(Hash) && supported_context?(object)
+
+    @object = object
+  end
+
+  def signed_fetch_account
+    first_mentioned_local_account || first_local_follower
+  end
+
+  def first_mentioned_local_account
+    audience = (as_array(@json['to']) + as_array(@json['cc'])).uniq
+    local_usernames = audience.select { |uri| ActivityPub::TagManager.instance.local_uri?(uri) }
+                              .map { |uri| ActivityPub::TagManager.instance.uri_to_local_id(uri, :username) }
+
+    return if local_usernames.empty?
+
+    Account.local.where(username: local_usernames).first
+  end
+
+  def first_local_follower
+    @account.followers.local.first
+  end
+
  def follow_request_from_object
    @follow_request ||= FollowRequest.find_by(target_account: @account, uri: object_uri) unless object_uri.nil?
  end
--- a/app/lib/activitypub/activity/announce.rb
+++ b/app/lib/activitypub/activity/announce.rb
@ -4,15 +4,17 @@ class ActivityPub::Activity::Announce < ActivityPub::Activity
  def perform
    return reject_payload! if delete_arrived_first?(@json['id']) || !related_to_local_activity?

+    RedisLock.acquire(lock_options) do |lock|
+      if lock.acquired?
        original_status = status_from_object

        return reject_payload! if original_status.nil? || !announceable?(original_status)

-    status = Status.find_by(account: @account, reblog: original_status)
+        @status = Status.find_by(account: @account, reblog: original_status)

-    return status unless status.nil?
+        return @status unless @status.nil?

-    status = Status.create!(
+        @status = Status.create!(
          account: @account,
          reblog: original_status,
          uri: @json['id'],
@ -21,8 +23,13 @@ class ActivityPub::Activity::Announce < ActivityPub::Activity
          visibility: visibility_from_audience
        )

-    distribute(status)
-    status
+        distribute(@status)
+      else
+        raise Mastodon::RaceConditionError
+      end
+    end
+
+    @status
  end

  private
@ -54,4 +61,8 @@ class ActivityPub::Activity::Announce < ActivityPub::Activity
  def reblog_of_local_status?
    status_from_uri(object_uri)&.account&.local?
  end
+
+  def lock_options
+    { redis: Redis.current, key: "announce:#{@object['id']}" }
+  end
 end
--- a/app/lib/activitypub/activity/block.rb
+++ b/app/lib/activitypub/activity/block.rb
@ -4,7 +4,12 @@ class ActivityPub::Activity::Block < ActivityPub::Activity
  def perform
    target_account = account_from_uri(object_uri)

-    return if target_account.nil? || !target_account.local? || @account.blocking?(target_account)
+    return if target_account.nil? || !target_account.local?
+
+    if @account.blocking?(target_account)
+      @account.block_relationships.find_by(target_account: target_account).update(uri: @json['id']) if @json['id'].present?
+      return
+    end

    UnfollowService.new.call(target_account, @account) if target_account.following?(@account)

--- a/app/lib/activitypub/activity/create.rb
+++ b/app/lib/activitypub/activity/create.rb
@ -2,6 +2,8 @@

 class ActivityPub::Activity::Create < ActivityPub::Activity
  def perform
+    dereference_object!
+
    case @object['type']
    when 'EncryptedMessage'
      create_encrypted_message
--- a/app/lib/activitypub/activity/undo.rb
+++ b/app/lib/activitypub/activity/undo.rb
@ -13,11 +13,62 @@ class ActivityPub::Activity::Undo < ActivityPub::Activity
      undo_like
    when 'Block'
      undo_block
+    when nil
+      handle_reference
    end
  end

  private

+  def handle_reference
+    # Some implementations do not inline the object, and as we don't have a
+    # global index, we have to guess what object it is.
+    return if object_uri.nil?
+
+    try_undo_announce || try_undo_accept || try_undo_follow || try_undo_like || try_undo_block || delete_later!(object_uri)
+  end
+
+  def try_undo_announce
+    status = Status.where.not(reblog_of_id: nil).find_by(uri: object_uri, account: @account)
+    if status.present?
+      RemoveStatusService.new.call(status)
+      true
+    else
+      false
+    end
+  end
+
+  def try_undo_accept
+    # We can't currently handle `Undo Accept` as we don't record `Accept`'s uri
+    false
+  end
+
+  def try_undo_follow
+    follow = @account.follow_requests.find_by(uri: object_uri) || @account.active_relationships.find_by(uri: object_uri)
+
+    if follow.present?
+      follow.destroy
+      true
+    else
+      false
+    end
+  end
+
+  def try_undo_like
+    # There is an index on accounts, but an account may have *many* favs, so this may be too costly
+    false
+  end
+
+  def try_undo_block
+    block = @account.block_relationships.find_by(uri: object_uri)
+    if block.present?
+      UnblockService.new.call(@account, block.target_account)
+      true
+    else
+      false
+    end
+  end
+
  def undo_announce
    return if object_uri.nil?

--- a/app/lib/activitypub/activity/update.rb
+++ b/app/lib/activitypub/activity/update.rb
@ -4,6 +4,8 @@ class ActivityPub::Activity::Update < ActivityPub::Activity
  SUPPORTED_TYPES = %w(Application Group Organization Person Service).freeze

  def perform
+    dereference_object!
+
    if equals_or_includes_any?(@object['type'], SUPPORTED_TYPES)
      update_account
    elsif equals_or_includes_any?(@object['type'], %w(Question))
--- a/app/lib/exceptions.rb
+++ b/app/lib/exceptions.rb
@ -7,6 +7,7 @@ module Mastodon
  class HostValidationError < ValidationError; end
  class LengthValidationError < ValidationError; end
  class DimensionsValidationError < ValidationError; end
+  class StreamValidationError < ValidationError; end
  class RaceConditionError < Error; end
  class RateLimitExceededError < Error; end

--- a/app/lib/feed_manager.rb
+++ b/app/lib/feed_manager.rb
@ -139,9 +139,15 @@ class FeedManager
  end

  def clear_from_timeline(account, target_account)
+    # Clear from timeline all statuses from or mentionning target_account
    timeline_key        = key(:home, account.id)
    timeline_status_ids = redis.zrange(timeline_key, 0, -1)
-    target_statuses     = Status.where(id: timeline_status_ids, account: target_account)
+    statuses            = Status.where(id: timeline_status_ids).select(:id, :reblog_of_id, :account_id).to_a
+    reblogged_ids       = Status.where(id: statuses.map(&:reblog_of_id).compact, account: target_account).pluck(:id)
+    with_mentions_ids   = Mention.active.where(status_id: statuses.flat_map { |s| [s.id, s.reblog_of_id] }.compact, account: target_account).pluck(:status_id)
+    target_statuses     = statuses.filter do |status|
+      status.account_id == target_account.id || reblogged_ids.include?(status.reblog_of_id) || with_mentions_ids.include?(status.id) || with_mentions_ids.include?(status.reblog_of_id)
+    end

    target_statuses.each do |status|
      unpush_from_home(account, status)
--- a/app/models/concerns/remotable.rb
+++ b/app/models/concerns/remotable.rb
@ -29,7 +29,7 @@ module Remotable
        rescue Mastodon::UnexpectedResponseError, HTTP::TimeoutError, HTTP::ConnectionError, OpenSSL::SSL::SSLError => e
          Rails.logger.debug "Error fetching remote #{attachment_name}: #{e}"
          raise e unless suppress_errors
-        rescue Paperclip::Errors::NotIdentifiedByImageMagickError, Addressable::URI::InvalidURIError, Mastodon::HostValidationError, Mastodon::LengthValidationError, Paperclip::Error, Mastodon::DimensionsValidationError => e
+        rescue Paperclip::Errors::NotIdentifiedByImageMagickError, Addressable::URI::InvalidURIError, Mastodon::HostValidationError, Mastodon::LengthValidationError, Paperclip::Error, Mastodon::DimensionsValidationError, Mastodon::StreamValidationError => e
          Rails.logger.debug "Error fetching remote #{attachment_name}: #{e}"
        end

--- a/app/models/media_attachment.rb
+++ b/app/models/media_attachment.rb
@ -336,6 +336,7 @@ class MediaAttachment < ApplicationRecord

    return unless movie.valid?

+    raise Mastodon::StreamValidationError, 'Video has no video stream' if movie.width.nil? || movie.frame_rate.nil?
    raise Mastodon::DimensionsValidationError, "#{movie.width}x#{movie.height} videos are not supported" if movie.width * movie.height > MAX_VIDEO_MATRIX_LIMIT
    raise Mastodon::DimensionsValidationError, "#{movie.frame_rate.to_i}fps videos are not supported" if movie.frame_rate > MAX_VIDEO_FRAME_RATE
  end
--- a/app/serializers/rest/media_attachment_serializer.rb
+++ b/app/serializers/rest/media_attachment_serializer.rb
@ -4,7 +4,7 @@ class REST::MediaAttachmentSerializer < ActiveModel::Serializer
  include RoutingHelper

  attributes :id, :type, :url, :preview_url,
-             :remote_url, :text_url, :meta,
+             :remote_url, :preview_remote_url, :text_url, :meta,
             :description, :blurhash

  def id
@ -35,6 +35,10 @@ class REST::MediaAttachmentSerializer < ActiveModel::Serializer
    end
  end

+  def preview_remote_url
+    object.thumbnail_remote_url.presence
+  end
+
  def text_url
    object.local? ? medium_url(object) : nil
  end
--- a/app/services/update_account_service.rb
+++ b/app/services/update_account_service.rb
@ -12,7 +12,7 @@ class UpdateAccountService < BaseService
      check_links(account)
      process_hashtags(account)
    end
-  rescue Mastodon::DimensionsValidationError => de
+  rescue Mastodon::DimensionsValidationError, Mastodon::StreamValidationError => de
    account.errors.add(:avatar, de.message)
    false
  end
--- a/app/workers/activitypub/processing_worker.rb
+++ b/app/workers/activitypub/processing_worker.rb
@ -3,7 +3,7 @@
 class ActivityPub::ProcessingWorker
  include Sidekiq::Worker

-  sidekiq_options backtrace: true
+  sidekiq_options backtrace: true, retry: 8

  def perform(account_id, body, delivered_to_account_id = nil)
    ActivityPub::ProcessCollectionService.new.call(body, Account.find(account_id), override_timestamps: true, delivered_to_account_id: delivered_to_account_id, delivery: true)
--- a/chart/values.yaml.template
+++ b/chart/values.yaml.template
@ -16,6 +16,12 @@ ingress:
    kubernetes.io/ingress.class: nginx
    kubernetes.io/tls-acme: "true"
    # cert-manager.io/cluster-issuer: "letsencrypt"
+    #
+    # ensure that NGINX's upload size matches Mastodon's
+    #   for the K8s ingress controller:
+    # nginx.ingress.kubernetes.io/proxy-body-size: 40m
+    #   for the NGINX ingress controller:
+    # nginx.org/client-max-body-size: 40m
  # this value is used for LOCAL_DOMAIN
  hostname: mastodon.local
  tls:
--- a/lib/paperclip/media_type_spoof_detector_extensions.rb
+++ b/lib/paperclip/media_type_spoof_detector_extensions.rb
@ -18,7 +18,7 @@ module Paperclip
      @type_from_mime_magic ||= begin
        begin
          File.open(@file.path) do |file|
-            MimeMagic.by_magic(file)&.type
+            MimeMagic.by_magic(file)&.type || ''
          end
        rescue Errno::ENOENT
          ''
--- a/package.json
+++ b/package.json
@ -110,7 +110,7 @@
    "intl-relativeformat": "^6.4.3",
    "is-nan": "^1.3.0",
    "js-yaml": "^3.13.1",
-    "lodash": "^4.17.14",
+    "lodash": "^4.17.19",
    "mark-loader": "^0.1.6",
    "marky": "^1.2.1",
    "mini-css-extract-plugin": "^0.9.0",
--- a/spec/controllers/accounts_controller_spec.rb
+++ b/spec/controllers/accounts_controller_spec.rb
@ -5,6 +5,21 @@ RSpec.describe AccountsController, type: :controller do

  let(:account) { Fabricate(:user).account }

+  shared_examples 'cachable response' do
+    it 'does not set cookies' do
+      expect(response.cookies).to be_empty
+      expect(response.headers['Set-Cookies']).to be nil
+    end
+
+    it 'does not set sessions' do
+      expect(session).to be_empty
+    end
+
+    it 'returns public Cache-Control header' do
+      expect(response.headers['Cache-Control']).to include 'public'
+    end
+  end
+
  describe 'GET #show' do
    let(:format) { 'html' }

@ -323,9 +338,7 @@ RSpec.describe AccountsController, type: :controller do
          expect(response.content_type).to eq 'application/activity+json'
        end

-        it 'returns public Cache-Control header' do
-          expect(response.headers['Cache-Control']).to include 'public'
-        end
+        it_behaves_like 'cachable response'

        it 'renders account' do
          json = body_as_json
@ -343,9 +356,7 @@ RSpec.describe AccountsController, type: :controller do
            expect(response.content_type).to eq 'application/activity+json'
          end

-          it 'returns public Cache-Control header' do
-            expect(response.headers['Cache-Control']).to include 'public'
-          end
+          it_behaves_like 'cachable response'

          it 'returns Vary header with Signature' do
            expect(response.headers['Vary']).to include 'Signature'
@ -401,9 +412,7 @@ RSpec.describe AccountsController, type: :controller do
          expect(response.content_type).to eq 'application/activity+json'
        end

-        it 'returns public Cache-Control header' do
-          expect(response.headers['Cache-Control']).to include 'public'
-        end
+        it_behaves_like 'cachable response'

        it 'renders account' do
          json = body_as_json
@ -447,9 +456,7 @@ RSpec.describe AccountsController, type: :controller do
          expect(response).to have_http_status(200)
        end

-        it 'returns public Cache-Control header' do
-          expect(response.headers['Cache-Control']).to include 'public'
-        end
+        it_behaves_like 'cachable response'
      end

      context do
--- a/spec/controllers/activitypub/collections_controller_spec.rb
+++ b/spec/controllers/activitypub/collections_controller_spec.rb
@ -6,6 +6,21 @@ RSpec.describe ActivityPub::CollectionsController, type: :controller do
  let!(:account) { Fabricate(:account) }
  let(:remote_account) { nil }

+  shared_examples 'cachable response' do
+    it 'does not set cookies' do
+      expect(response.cookies).to be_empty
+      expect(response.headers['Set-Cookies']).to be nil
+    end
+
+    it 'does not set sessions' do
+      expect(session).to be_empty
+    end
+
+    it 'returns public Cache-Control header' do
+      expect(response.headers['Cache-Control']).to include 'public'
+    end
+  end
+
  before do
    allow(controller).to receive(:signed_request_account).and_return(remote_account)

@ -31,9 +46,7 @@ RSpec.describe ActivityPub::CollectionsController, type: :controller do
          expect(response.content_type).to eq 'application/activity+json'
        end

-        it 'returns public Cache-Control header' do
-          expect(response.headers['Cache-Control']).to include 'public'
-        end
+        it_behaves_like 'cachable response'

        it 'returns orderedItems with pinned statuses' do
          json = body_as_json
@ -58,9 +71,7 @@ RSpec.describe ActivityPub::CollectionsController, type: :controller do
            expect(response.content_type).to eq 'application/activity+json'
          end

-          it 'returns public Cache-Control header' do
-            expect(response.headers['Cache-Control']).to include 'public'
-          end
+          it_behaves_like 'cachable response'

          it 'returns orderedItems with pinned statuses' do
            json = body_as_json
--- a/spec/controllers/activitypub/outboxes_controller_spec.rb
+++ b/spec/controllers/activitypub/outboxes_controller_spec.rb
@ -3,6 +3,21 @@ require 'rails_helper'
 RSpec.describe ActivityPub::OutboxesController, type: :controller do
  let!(:account) { Fabricate(:account) }

+  shared_examples 'cachable response' do
+    it 'does not set cookies' do
+      expect(response.cookies).to be_empty
+      expect(response.headers['Set-Cookies']).to be nil
+    end
+
+    it 'does not set sessions' do
+      expect(session).to be_empty
+    end
+
+    it 'returns public Cache-Control header' do
+      expect(response.headers['Cache-Control']).to include 'public'
+    end
+  end
+
  before do
    Fabricate(:status, account: account, visibility: :public)
    Fabricate(:status, account: account, visibility: :unlisted)
@ -39,9 +54,7 @@ RSpec.describe ActivityPub::OutboxesController, type: :controller do
          expect(json[:totalItems]).to eq 4
        end

-        it 'returns public Cache-Control header' do
-          expect(response.headers['Cache-Control']).to include 'public'
-        end
+        it_behaves_like 'cachable response'
      end

      context 'with page requested' do
@ -62,9 +75,7 @@ RSpec.describe ActivityPub::OutboxesController, type: :controller do
          expect(json[:orderedItems].all? { |item| item[:to].include?(ActivityPub::TagManager::COLLECTIONS[:public]) || item[:cc].include?(ActivityPub::TagManager::COLLECTIONS[:public]) }).to be true
        end

-        it 'returns public Cache-Control header' do
-          expect(response.headers['Cache-Control']).to include 'public'
-        end
+        it_behaves_like 'cachable response'
      end
    end

--- a/spec/controllers/activitypub/replies_controller_spec.rb
+++ b/spec/controllers/activitypub/replies_controller_spec.rb
@ -7,6 +7,21 @@ RSpec.describe ActivityPub::RepliesController, type: :controller do
  let(:remote_reply_id) { nil }
  let(:remote_account) { nil }

+  shared_examples 'cachable response' do
+    it 'does not set cookies' do
+      expect(response.cookies).to be_empty
+      expect(response.headers['Set-Cookies']).to be nil
+    end
+
+    it 'does not set sessions' do
+      expect(session).to be_empty
+    end
+
+    it 'returns public Cache-Control header' do
+      expect(response.headers['Cache-Control']).to include 'public'
+    end
+  end
+
  before do
    allow(controller).to receive(:signed_request_account).and_return(remote_account)

@ -36,9 +51,7 @@ RSpec.describe ActivityPub::RepliesController, type: :controller do
          expect(response.content_type).to eq 'application/activity+json'
        end

-        it 'returns public Cache-Control header' do
-          expect(response.headers['Cache-Control']).to include 'public'
-        end
+        it_behaves_like 'cachable response'

        it 'returns items with account\'s own replies' do
          json = body_as_json
@ -87,9 +100,7 @@ RSpec.describe ActivityPub::RepliesController, type: :controller do
            expect(response.content_type).to eq 'application/activity+json'
          end

-          it 'returns public Cache-Control header' do
-            expect(response.headers['Cache-Control']).to include 'public'
-          end
+          it_behaves_like 'cachable response'

          context 'without only_other_accounts' do
            it 'returns items with account\'s own replies' do
--- a/spec/controllers/statuses_controller_spec.rb
+++ b/spec/controllers/statuses_controller_spec.rb
@ -5,6 +5,21 @@ require 'rails_helper'
 describe StatusesController do
  render_views

+  shared_examples 'cachable response' do
+    it 'does not set cookies' do
+      expect(response.cookies).to be_empty
+      expect(response.headers['Set-Cookies']).to be nil
+    end
+
+    it 'does not set sessions' do
+      expect(session).to be_empty
+    end
+
+    it 'returns public Cache-Control header' do
+      expect(response.headers['Cache-Control']).to include 'public'
+    end
+  end
+
  describe 'GET #show' do
    let(:account) { Fabricate(:account) }
    let(:status)  { Fabricate(:status, account: account) }
@ -80,9 +95,7 @@ describe StatusesController do
          expect(response.headers['Vary']).to eq 'Accept'
        end

-        it 'returns public Cache-Control header' do
-          expect(response.headers['Cache-Control']).to include 'public'
-        end
+        it_behaves_like 'cachable response'

        it 'returns Content-Type header' do
          expect(response.headers['Content-Type']).to include 'application/activity+json'
@ -470,9 +483,7 @@ describe StatusesController do
            expect(response.headers['Vary']).to eq 'Accept'
          end

-          it 'returns public Cache-Control header' do
-            expect(response.headers['Cache-Control']).to include 'public'
-          end
+          it_behaves_like 'cachable response'

          it 'returns Content-Type header' do
            expect(response.headers['Content-Type']).to include 'application/activity+json'
--- a/spec/lib/activitypub/activity/block_spec.rb
+++ b/spec/lib/activitypub/activity/block_spec.rb
@ -28,6 +28,28 @@ RSpec.describe ActivityPub::Activity::Block do
    end
  end

+  context 'when the recipient is already blocked' do
+    before do
+      sender.block!(recipient, uri: 'old')
+    end
+
+    describe '#perform' do
+      subject { described_class.new(json, sender) }
+
+      before do
+        subject.perform
+      end
+
+      it 'creates a block from sender to recipient' do
+        expect(sender.blocking?(recipient)).to be true
+      end
+
+      it 'sets the uri to that of last received block activity' do
+        expect(sender.block_relationships.find_by(target_account: recipient).uri).to eq 'foo'
+      end
+    end
+  end
+
  context 'when the recipient follows the sender' do
    before do
      recipient.follow!(sender)
--- a/spec/lib/activitypub/activity/undo_spec.rb
+++ b/spec/lib/activitypub/activity/undo_spec.rb
@ -50,6 +50,19 @@ RSpec.describe ActivityPub::Activity::Undo do
          expect(sender.reblogged?(status)).to be false
        end
      end
+
+      context 'with only object uri' do
+        let(:object_json) { 'bar' }
+
+        before do
+          Fabricate(:status, reblog: status, account: sender, uri: 'bar')
+        end
+
+        it 'deletes the reblog by uri' do
+          subject.perform
+          expect(sender.reblogged?(status)).to be false
+        end
+      end
    end

    context 'with Accept' do
@ -91,13 +104,22 @@ RSpec.describe ActivityPub::Activity::Undo do
      end

      before do
-        sender.block!(recipient)
+        sender.block!(recipient, uri: 'bar')
      end

      it 'deletes block from sender to recipient' do
        subject.perform
        expect(sender.blocking?(recipient)).to be false
      end
+
+      context 'with only object uri' do
+        let(:object_json) { 'bar' }
+
+        it 'deletes block from sender to recipient' do
+          subject.perform
+          expect(sender.blocking?(recipient)).to be false
+        end
+      end
    end

    context 'with Follow' do
@ -113,13 +135,22 @@ RSpec.describe ActivityPub::Activity::Undo do
      end

      before do
-        sender.follow!(recipient)
+        sender.follow!(recipient, uri: 'bar')
      end

      it 'deletes follow from sender to recipient' do
        subject.perform
        expect(sender.following?(recipient)).to be false
      end
+
+      context 'with only object uri' do
+        let(:object_json) { 'bar' }
+
+        it 'deletes follow from sender to recipient' do
+          subject.perform
+          expect(sender.following?(recipient)).to be false
+        end
+      end
    end

    context 'with Like' do
--- a/spec/lib/feed_manager_spec.rb
+++ b/spec/lib/feed_manager_spec.rb
@ -531,4 +531,29 @@ RSpec.describe FeedManager do
      expect(Redis.current).to have_received(:publish).with("timeline:#{receiver.id}", deletion)
    end
  end
+
+  describe '#clear_from_timeline' do
+    let(:account)          { Fabricate(:account) }
+    let(:followed_account) { Fabricate(:account) }
+    let(:target_account)   { Fabricate(:account) }
+    let(:status_1)         { Fabricate(:status, account: followed_account) }
+    let(:status_2)         { Fabricate(:status, account: target_account) }
+    let(:status_3)         { Fabricate(:status, account: followed_account, mentions: [Fabricate(:mention, account: target_account)]) }
+    let(:status_4)         { Fabricate(:status, mentions: [Fabricate(:mention, account: target_account)]) }
+    let(:status_5)         { Fabricate(:status, account: followed_account, reblog: status_4) }
+    let(:status_6)         { Fabricate(:status, account: followed_account, reblog: status_2) }
+    let(:status_7)         { Fabricate(:status, account: followed_account) }
+
+    before do
+      [status_1, status_3, status_5, status_6, status_7].each do |status|
+        Redis.current.zadd("feed:home:#{account.id}", status.id, status.id)
+      end
+    end
+
+    it 'correctly cleans the timeline' do
+      FeedManager.instance.clear_from_timeline(account, target_account)
+
+      expect(Redis.current.zrange("feed:home:#{account.id}", 0, -1)).to eq [status_1.id.to_s, status_7.id.to_s]
+    end
+  end
 end
--- a/yarn.lock
+++ b/yarn.lock
@ -6979,10 +6979,10 @@ lodash.uniq@^4.5.0:
  resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
  integrity sha1-0CJTc662Uq3BvILklFM5qEJ1R3M=

-lodash@^4.0.0, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.13, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.3.0, lodash@~4.17.12:
-  version "4.17.15"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
-  integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
+lodash@^4.0.0, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.13, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.19, lodash@^4.3.0, lodash@~4.17.12:
+  version "4.17.19"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.19.tgz#e48ddedbe30b3321783c5b4301fbd353bc1e4a4b"
+  integrity sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ==

 loglevel@^1.6.8:
  version "1.6.8"