diff --git a/Dockerfile b/Dockerfile
index 8cd3744818..ef139dcec4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,9 +12,11 @@ EXPOSE 3000 4000
 WORKDIR /mastodon
 
 RUN echo "@edge https://nl.alpinelinux.org/alpine/edge/main" >> /etc/apk/repositories \
+ && echo "@edge https://nl.alpinelinux.org/alpine/edge/community" >> /etc/apk/repositories \
  && apk -U upgrade \
  && apk add -t build-dependencies \
     build-base \
+    icu-dev \
     libidn-dev \
     libxml2-dev \
     libxslt-dev \
@@ -26,7 +28,7 @@ RUN echo "@edge https://nl.alpinelinux.org/alpine/edge/main" >> /etc/apk/reposit
     ffmpeg \
     file \
     git \
-    icu-dev \
+    icu-libs \
     imagemagick@edge \
     libidn \
     libpq \
@@ -37,7 +39,7 @@ RUN echo "@edge https://nl.alpinelinux.org/alpine/edge/main" >> /etc/apk/reposit
     protobuf \
     su-exec \
     tini \
- && npm install -g npm@3 && npm install -g yarn \
+    yarn@edge \
  && update-ca-certificates \
  && rm -rf /tmp/* /var/cache/apk/*
 
diff --git a/Vagrantfile b/Vagrantfile
index cbe6623b31..0c21bed68c 100644
--- a/Vagrantfile
+++ b/Vagrantfile
@@ -35,9 +35,10 @@ sudo apt-get install \
   postgresql-contrib \
   protobuf-compiler \
   yarn \
+  libicu-dev \
+  libidn11-dev \
   libprotobuf-dev \
   libreadline-dev \
-  libicu-dev \
   -y
 
 # Install rvm
diff --git a/app/controllers/accounts_controller.rb b/app/controllers/accounts_controller.rb
index a95aabf1d8..37a1e540f4 100644
--- a/app/controllers/accounts_controller.rb
+++ b/app/controllers/accounts_controller.rb
@@ -13,7 +13,7 @@ class AccountsController < ApplicationController
 
       format.atom do
         @entries = @account.stream_entries.where(hidden: false).with_includes.paginate_by_max_id(20, params[:max_id], params[:since_id])
-        render xml: AtomSerializer.render(AtomSerializer.new.feed(@account, @entries.to_a))
+        render xml: Ostatus::AtomSerializer.render(Ostatus::AtomSerializer.new.feed(@account, @entries.to_a))
       end
 
       format.json do
diff --git a/app/controllers/admin/reported_statuses_controller.rb b/app/controllers/admin/reported_statuses_controller.rb
index 32434d30f7..5a31adecf9 100644
--- a/app/controllers/admin/reported_statuses_controller.rb
+++ b/app/controllers/admin/reported_statuses_controller.rb
@@ -5,7 +5,14 @@ module Admin
     include Authorization
 
     before_action :set_report
-    before_action :set_status
+    before_action :set_status, only: [:update, :destroy]
+
+    def create
+      @form = Form::StatusBatch.new(form_status_batch_params)
+      flash[:alert] = t('admin.statuses.failed_to_execute') unless @form.save
+
+      redirect_to admin_report_path(@report)
+    end
 
     def update
       @status.update(status_params)
@@ -15,7 +22,7 @@ module Admin
     def destroy
       authorize @status, :destroy?
       RemovalWorker.perform_async(@status.id)
-      redirect_to admin_report_path(@report)
+      render json: @status
     end
 
     private
@@ -24,6 +31,10 @@ module Admin
       params.require(:status).permit(:sensitive)
     end
 
+    def form_status_batch_params
+      params.require(:form_status_batch).permit(:action, status_ids: [])
+    end
+
     def set_report
       @report = Report.find(params[:report_id])
     end
diff --git a/app/controllers/admin/reports_controller.rb b/app/controllers/admin/reports_controller.rb
index 2d8c3c8208..2264677395 100644
--- a/app/controllers/admin/reports_controller.rb
+++ b/app/controllers/admin/reports_controller.rb
@@ -8,7 +8,9 @@ module Admin
       @reports = filtered_reports.page(params[:page])
     end
 
-    def show; end
+    def show
+      @form = Form::StatusBatch.new
+    end
 
     def update
       process_report
diff --git a/app/controllers/admin/statuses_controller.rb b/app/controllers/admin/statuses_controller.rb
new file mode 100644
index 0000000000..50712f0dd0
--- /dev/null
+++ b/app/controllers/admin/statuses_controller.rb
@@ -0,0 +1,69 @@
+# frozen_string_literal: true
+
+module Admin
+  class StatusesController < BaseController
+    include Authorization
+
+    helper_method :current_params
+
+    before_action :set_account
+    before_action :set_status, only: [:update, :destroy]
+
+    PAR_PAGE = 20
+
+    def index
+      @statuses = @account.statuses
+      if params[:media]
+        account_media_status_ids = @account.media_attachments.attached.reorder(nil).select(:status_id).distinct
+        @statuses.merge!(Status.where(id: account_media_status_ids))
+      end
+      @statuses = @statuses.preload(:media_attachments, :mentions).page(params[:page]).per(PAR_PAGE)
+
+      @form = Form::StatusBatch.new
+    end
+
+    def create
+      @form = Form::StatusBatch.new(form_status_batch_params)
+      flash[:alert] = t('admin.statuses.failed_to_execute') unless @form.save
+
+      redirect_to admin_account_statuses_path(@account.id, current_params)
+    end
+
+    def update
+      @status.update(status_params)
+      redirect_to admin_account_statuses_path(@account.id, current_params)
+    end
+
+    def destroy
+      authorize @status, :destroy?
+      RemovalWorker.perform_async(@status.id)
+      render json: @status
+    end
+
+    private
+
+    def status_params
+      params.require(:status).permit(:sensitive)
+    end
+
+    def form_status_batch_params
+      params.require(:form_status_batch).permit(:action, status_ids: [])
+    end
+
+    def set_status
+      @status = @account.statuses.find(params[:id])
+    end
+
+    def set_account
+      @account = Account.find(params[:account_id])
+    end
+
+    def current_params
+      page = (params[:page] || 1).to_i
+      {
+        media: params[:media],
+        page: page > 1 && page,
+      }.select { |_, value| value.present? }
+    end
+  end
+end
diff --git a/app/controllers/settings/preferences_controller.rb b/app/controllers/settings/preferences_controller.rb
index a3f5a008b8..f107f2b165 100644
--- a/app/controllers/settings/preferences_controller.rb
+++ b/app/controllers/settings/preferences_controller.rb
@@ -35,6 +35,7 @@ class Settings::PreferencesController < ApplicationController
     params.require(:user).permit(
       :setting_default_privacy,
       :setting_default_sensitive,
+      :setting_unfollow_modal,
       :setting_boost_modal,
       :setting_delete_modal,
       :setting_auto_play_gif,
diff --git a/app/controllers/stream_entries_controller.rb b/app/controllers/stream_entries_controller.rb
index 54a4352384..e3db77caaa 100644
--- a/app/controllers/stream_entries_controller.rb
+++ b/app/controllers/stream_entries_controller.rb
@@ -19,7 +19,7 @@ class StreamEntriesController < ApplicationController
       end
 
       format.atom do
-        render xml: AtomSerializer.render(AtomSerializer.new.entry(@stream_entry, true))
+        render xml: Ostatus::AtomSerializer.render(Ostatus::AtomSerializer.new.entry(@stream_entry, true))
       end
     end
   end
diff --git a/app/javascript/mastodon/components/media_gallery.js b/app/javascript/mastodon/components/media_gallery.js
index 680a4e58a1..d95e7c75da 100644
--- a/app/javascript/mastodon/components/media_gallery.js
+++ b/app/javascript/mastodon/components/media_gallery.js
@@ -186,6 +186,12 @@ export default class MediaGallery extends React.PureComponent {
     visible: !this.props.sensitive,
   };
 
+  componentWillReceiveProps (nextProps) {
+    if (nextProps.sensitive !== this.props.sensitive) {
+      this.setState({ visible: !nextProps.sensitive });
+    }
+  }
+
   handleOpen = () => {
     this.setState({ visible: !this.state.visible });
   }
diff --git a/app/javascript/mastodon/containers/account_container.js b/app/javascript/mastodon/containers/account_container.js
index 1426bcaa47..ca1efd0e5b 100644
--- a/app/javascript/mastodon/containers/account_container.js
+++ b/app/javascript/mastodon/containers/account_container.js
@@ -1,4 +1,6 @@
+import React from 'react';
 import { connect } from 'react-redux';
+import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
 import { makeGetAccount } from '../selectors';
 import Account from '../components/account';
 import {
@@ -9,6 +11,11 @@ import {
   muteAccount,
   unmuteAccount,
 } from '../actions/accounts';
+import { openModal } from '../actions/modal';
+
+const messages = defineMessages({
+  unfollowConfirm: { id: 'confirmations.unfollow.confirm', defaultMessage: 'Unfollow' },
+});
 
 const makeMapStateToProps = () => {
   const getAccount = makeGetAccount();
@@ -16,15 +23,25 @@ const makeMapStateToProps = () => {
   const mapStateToProps = (state, props) => ({
     account: getAccount(state, props.id),
     me: state.getIn(['meta', 'me']),
+    unfollowModal: state.getIn(['meta', 'unfollow_modal']),
   });
 
   return mapStateToProps;
 };
 
-const mapDispatchToProps = (dispatch) => ({
+const mapDispatchToProps = (dispatch, { intl }) => ({
+
   onFollow (account) {
     if (account.getIn(['relationship', 'following'])) {
-      dispatch(unfollowAccount(account.get('id')));
+      if (this.unfollowModal) {
+        dispatch(openModal('CONFIRM', {
+          message: <FormattedMessage id='confirmations.unfollow.message' defaultMessage='Are you sure you want to unfollow {name}?' values={{ name: <strong>@{account.get('acct')}</strong> }} />,
+          confirm: intl.formatMessage(messages.unfollowConfirm),
+          onConfirm: () => dispatch(unfollowAccount(account.get('id'))),
+        }));
+      } else {
+        dispatch(unfollowAccount(account.get('id')));
+      }
     } else {
       dispatch(followAccount(account.get('id')));
     }
@@ -45,6 +62,7 @@ const mapDispatchToProps = (dispatch) => ({
       dispatch(muteAccount(account.get('id')));
     }
   },
+
 });
 
-export default connect(makeMapStateToProps, mapDispatchToProps)(Account);
+export default injectIntl(connect(makeMapStateToProps, mapDispatchToProps)(Account));
diff --git a/app/javascript/mastodon/features/account_timeline/containers/header_container.js b/app/javascript/mastodon/features/account_timeline/containers/header_container.js
index 19dd646994..baa81bbc21 100644
--- a/app/javascript/mastodon/features/account_timeline/containers/header_container.js
+++ b/app/javascript/mastodon/features/account_timeline/containers/header_container.js
@@ -17,6 +17,7 @@ import { blockDomain, unblockDomain } from '../../../actions/domain_blocks';
 import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
 
 const messages = defineMessages({
+  unfollowConfirm: { id: 'confirmations.unfollow.confirm', defaultMessage: 'Unfollow' },
   blockConfirm: { id: 'confirmations.block.confirm', defaultMessage: 'Block' },
   muteConfirm: { id: 'confirmations.mute.confirm', defaultMessage: 'Mute' },
   blockDomainConfirm: { id: 'confirmations.domain_block.confirm', defaultMessage: 'Hide entire domain' },
@@ -28,15 +29,25 @@ const makeMapStateToProps = () => {
   const mapStateToProps = (state, { accountId }) => ({
     account: getAccount(state, Number(accountId)),
     me: state.getIn(['meta', 'me']),
+    unfollowModal: state.getIn(['meta', 'unfollow_modal']),
   });
 
   return mapStateToProps;
 };
 
 const mapDispatchToProps = (dispatch, { intl }) => ({
+
   onFollow (account) {
     if (account.getIn(['relationship', 'following'])) {
-      dispatch(unfollowAccount(account.get('id')));
+      if (this.unfollowModal) {
+        dispatch(openModal('CONFIRM', {
+          message: <FormattedMessage id='confirmations.unfollow.message' defaultMessage='Are you sure you want to unfollow {name}?' values={{ name: <strong>@{account.get('acct')}</strong> }} />,
+          confirm: intl.formatMessage(messages.unfollowConfirm),
+          onConfirm: () => dispatch(unfollowAccount(account.get('id'))),
+        }));
+      } else {
+        dispatch(unfollowAccount(account.get('id')));
+      }
     } else {
       dispatch(followAccount(account.get('id')));
     }
@@ -85,6 +96,7 @@ const mapDispatchToProps = (dispatch, { intl }) => ({
   onUnblockDomain (domain, accountId) {
     dispatch(unblockDomain(domain, accountId));
   },
+
 });
 
 export default injectIntl(connect(makeMapStateToProps, mapDispatchToProps)(Header));
diff --git a/app/javascript/mastodon/features/ui/components/modal_root.js b/app/javascript/mastodon/features/ui/components/modal_root.js
index 84461d9b56..3da3f6391f 100644
--- a/app/javascript/mastodon/features/ui/components/modal_root.js
+++ b/app/javascript/mastodon/features/ui/components/modal_root.js
@@ -87,7 +87,7 @@ export default class ModalRoot extends React.PureComponent {
       >
         {interpolatedStyles =>
           <div className='modal-root'>
-            {interpolatedStyles.map(({ key, data: { type }, style }) => (
+            {interpolatedStyles.map(({ key, data: { type, props }, style }) => (
               <div key={key} style={{ pointerEvents: visible ? 'auto' : 'none' }}>
                 <div role='presentation' className='modal-root__overlay' style={{ opacity: style.opacity }} onClick={onClose} />
                 <div className='modal-root__container' style={{ opacity: style.opacity, transform: `translateZ(0px) scale(${style.scale})` }}>
diff --git a/app/javascript/mastodon/features/ui/containers/status_list_container.js b/app/javascript/mastodon/features/ui/containers/status_list_container.js
index 1b2e1056a3..ff29bfdd45 100644
--- a/app/javascript/mastodon/features/ui/containers/status_list_container.js
+++ b/app/javascript/mastodon/features/ui/containers/status_list_container.js
@@ -10,31 +10,36 @@ const makeGetStatusIds = () => createSelector([
   (state, { type }) => state.getIn(['timelines', type, 'items'], ImmutableList()),
   (state)           => state.get('statuses'),
   (state)           => state.getIn(['meta', 'me']),
-], (columnSettings, statusIds, statuses, me) => statusIds.filter(id => {
-  const statusForId = statuses.get(id);
-  let showStatus    = true;
+], (columnSettings, statusIds, statuses, me) => {
+  const rawRegex = columnSettings.getIn(['regex', 'body'], '').trim();
+  let regex      = null;
 
-  if (columnSettings.getIn(['shows', 'reblog']) === false) {
-    showStatus = showStatus && statusForId.get('reblog') === null;
+  try {
+    regex = rawRegex && new RegExp(rawRegex, 'i');
+  } catch (e) {
+    // Bad regex, don't affect filters
   }
 
-  if (columnSettings.getIn(['shows', 'reply']) === false) {
-    showStatus = showStatus && (statusForId.get('in_reply_to_id') === null || statusForId.get('in_reply_to_account_id') === me);
-  }
+  return statusIds.filter(id => {
+    const statusForId = statuses.get(id);
+    let showStatus    = true;
 
-  if (columnSettings.getIn(['regex', 'body'], '').trim().length > 0) {
-    try {
-      if (showStatus) {
-        const regex = new RegExp(columnSettings.getIn(['regex', 'body']).trim(), 'i');
-        showStatus = !regex.test(statusForId.get('reblog') ? statuses.getIn([statusForId.get('reblog'), 'search_index']) : statusForId.get('search_index'));
-      }
-    } catch(e) {
-      // Bad regex, don't affect filters
+    if (columnSettings.getIn(['shows', 'reblog']) === false) {
+      showStatus = showStatus && statusForId.get('reblog') === null;
+    }
+
+    if (columnSettings.getIn(['shows', 'reply']) === false) {
+      showStatus = showStatus && (statusForId.get('in_reply_to_id') === null || statusForId.get('in_reply_to_account_id') === me);
     }
-  }
 
-  return showStatus;
-}));
+    if (showStatus && regex && statusForId.get('account') !== me) {
+      const searchIndex = statusForId.get('reblog') ? statuses.getIn([statusForId.get('reblog'), 'search_index']) : statusForId.get('search_index');
+      showStatus = !regex.test(searchIndex);
+    }
+
+    return showStatus;
+  });
+});
 
 const makeMapStateToProps = () => {
   const getStatusIds = makeGetStatusIds();
diff --git a/app/javascript/mastodon/locales/ar.json b/app/javascript/mastodon/locales/ar.json
index 7b890ce64b..89ddb2d154 100644
--- a/app/javascript/mastodon/locales/ar.json
+++ b/app/javascript/mastodon/locales/ar.json
@@ -55,6 +55,8 @@
   "confirmations.domain_block.message": "Are you really, really sure you want to block the entire {domain}? In most cases a few targeted blocks or mutes are sufficient and preferable.",
   "confirmations.mute.confirm": "أكتم",
   "confirmations.mute.message": "هل أنت متأكد أنك تريد كتم {name} ؟",
+  "confirmations.unfollow.confirm": "Unfollow",
+  "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
   "emoji_button.activity": "الأنشطة",
   "emoji_button.flags": "الأعلام",
   "emoji_button.food": "الطعام والشراب",
diff --git a/app/javascript/mastodon/locales/bg.json b/app/javascript/mastodon/locales/bg.json
index 0cf6bf3ac8..3dba91b822 100644
--- a/app/javascript/mastodon/locales/bg.json
+++ b/app/javascript/mastodon/locales/bg.json
@@ -55,6 +55,8 @@
   "confirmations.domain_block.message": "Are you really, really sure you want to block the entire {domain}? In most cases a few targeted blocks or mutes are sufficient and preferable.",
   "confirmations.mute.confirm": "Mute",
   "confirmations.mute.message": "Are you sure you want to mute {name}?",
+  "confirmations.unfollow.confirm": "Unfollow",
+  "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
   "emoji_button.activity": "Activity",
   "emoji_button.flags": "Flags",
   "emoji_button.food": "Food & Drink",
diff --git a/app/javascript/mastodon/locales/ca.json b/app/javascript/mastodon/locales/ca.json
index 1e44d6fa56..54f2e5e221 100644
--- a/app/javascript/mastodon/locales/ca.json
+++ b/app/javascript/mastodon/locales/ca.json
@@ -55,6 +55,8 @@
   "confirmations.domain_block.message": "Estàs realment, realment segur que vols bloquejar totalment {domain}? En la majoria dels casos bloquejar o silenciar és suficient i preferible.",
   "confirmations.mute.confirm": "Silenciar",
   "confirmations.mute.message": "Estàs segur que vols silenciar {name}?",
+  "confirmations.unfollow.confirm": "Unfollow",
+  "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
   "emoji_button.activity": "Activitat",
   "emoji_button.flags": "Flags",
   "emoji_button.food": "Menjar i Beure",
diff --git a/app/javascript/mastodon/locales/de.json b/app/javascript/mastodon/locales/de.json
index f73011e73a..a041e66550 100644
--- a/app/javascript/mastodon/locales/de.json
+++ b/app/javascript/mastodon/locales/de.json
@@ -55,6 +55,8 @@
   "confirmations.domain_block.message": "Are you really, really sure you want to block the entire {domain}? In most cases a few targeted blocks or mutes are sufficient and preferable.",
   "confirmations.mute.confirm": "Mute",
   "confirmations.mute.message": "Are you sure you want to mute {name}?",
+  "confirmations.unfollow.confirm": "Unfollow",
+  "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
   "emoji_button.activity": "Activity",
   "emoji_button.flags": "Flags",
   "emoji_button.food": "Food & Drink",
diff --git a/app/javascript/mastodon/locales/defaultMessages.json b/app/javascript/mastodon/locales/defaultMessages.json
index 5c4daa8e75..956878f57e 100644
--- a/app/javascript/mastodon/locales/defaultMessages.json
+++ b/app/javascript/mastodon/locales/defaultMessages.json
@@ -228,6 +228,19 @@
     ],
     "path": "app/javascript/mastodon/components/video_player.json"
   },
+  {
+    "descriptors": [
+      {
+        "defaultMessage": "Unfollow",
+        "id": "confirmations.unfollow.confirm"
+      },
+      {
+        "defaultMessage": "Are you sure you want to unfollow {name}?",
+        "id": "confirmations.unfollow.message"
+      }
+    ],
+    "path": "app/javascript/mastodon/containers/account_container.json"
+  },
   {
     "descriptors": [
       {
@@ -268,6 +281,10 @@
   },
   {
     "descriptors": [
+      {
+        "defaultMessage": "Unfollow",
+        "id": "confirmations.unfollow.confirm"
+      },
       {
         "defaultMessage": "Block",
         "id": "confirmations.block.confirm"
@@ -280,6 +297,10 @@
         "defaultMessage": "Hide entire domain",
         "id": "confirmations.domain_block.confirm"
       },
+      {
+        "defaultMessage": "Are you sure you want to unfollow {name}?",
+        "id": "confirmations.unfollow.message"
+      },
       {
         "defaultMessage": "Are you sure you want to block {name}?",
         "id": "confirmations.block.message"
diff --git a/app/javascript/mastodon/locales/en.json b/app/javascript/mastodon/locales/en.json
index 15afe23097..fe2bd4cb4d 100644
--- a/app/javascript/mastodon/locales/en.json
+++ b/app/javascript/mastodon/locales/en.json
@@ -55,6 +55,8 @@
   "confirmations.domain_block.message": "Are you really, really sure you want to block the entire {domain}? In most cases a few targeted blocks or mutes are sufficient and preferable.",
   "confirmations.mute.confirm": "Mute",
   "confirmations.mute.message": "Are you sure you want to mute {name}?",
+  "confirmations.unfollow.confirm": "Unfollow",
+  "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
   "emoji_button.activity": "Activity",
   "emoji_button.flags": "Flags",
   "emoji_button.food": "Food & Drink",
diff --git a/app/javascript/mastodon/locales/eo.json b/app/javascript/mastodon/locales/eo.json
index 4f9e26c258..029cef883d 100644
--- a/app/javascript/mastodon/locales/eo.json
+++ b/app/javascript/mastodon/locales/eo.json
@@ -55,6 +55,8 @@
   "confirmations.domain_block.message": "Are you really, really sure you want to block the entire {domain}? In most cases a few targeted blocks or mutes are sufficient and preferable.",
   "confirmations.mute.confirm": "Mute",
   "confirmations.mute.message": "Are you sure you want to mute {name}?",
+  "confirmations.unfollow.confirm": "Unfollow",
+  "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
   "emoji_button.activity": "Activity",
   "emoji_button.flags": "Flags",
   "emoji_button.food": "Food & Drink",
diff --git a/app/javascript/mastodon/locales/es.json b/app/javascript/mastodon/locales/es.json
index 64ba78716d..36ad66aceb 100644
--- a/app/javascript/mastodon/locales/es.json
+++ b/app/javascript/mastodon/locales/es.json
@@ -55,6 +55,8 @@
   "confirmations.domain_block.message": "Are you really, really sure you want to block the entire {domain}? In most cases a few targeted blocks or mutes are sufficient and preferable.",
   "confirmations.mute.confirm": "Mute",
   "confirmations.mute.message": "Are you sure you want to mute {name}?",
+  "confirmations.unfollow.confirm": "Unfollow",
+  "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
   "emoji_button.activity": "Activity",
   "emoji_button.flags": "Flags",
   "emoji_button.food": "Food & Drink",
diff --git a/app/javascript/mastodon/locales/fa.json b/app/javascript/mastodon/locales/fa.json
index 306937cc23..113daef77b 100644
--- a/app/javascript/mastodon/locales/fa.json
+++ b/app/javascript/mastodon/locales/fa.json
@@ -55,6 +55,8 @@
   "confirmations.domain_block.message": "آیا جدی جدی می‌خواهید کل دامین {domain} را مسدود کنید؟ بیشتر وقت‌ها مسدودکردن یا بی‌صداکردن چند حساب کاربری خاص کافی است و توصیه می‌شود.",
   "confirmations.mute.confirm": "بی‌صدا کن",
   "confirmations.mute.message": "آیا واقعاً می‌خواهید {name} را بی‌صدا کنید؟",
+  "confirmations.unfollow.confirm": "Unfollow",
+  "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
   "emoji_button.activity": "فعالیت",
   "emoji_button.flags": "پرچم‌ها",
   "emoji_button.food": "غذا و نوشیدنی",
diff --git a/app/javascript/mastodon/locales/fi.json b/app/javascript/mastodon/locales/fi.json
index 1b17fb1554..da9e5d0f28 100644
--- a/app/javascript/mastodon/locales/fi.json
+++ b/app/javascript/mastodon/locales/fi.json
@@ -55,6 +55,8 @@
   "confirmations.domain_block.message": "Are you really, really sure you want to block the entire {domain}? In most cases a few targeted blocks or mutes are sufficient and preferable.",
   "confirmations.mute.confirm": "Mute",
   "confirmations.mute.message": "Are you sure you want to mute {name}?",
+  "confirmations.unfollow.confirm": "Unfollow",
+  "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
   "emoji_button.activity": "Activity",
   "emoji_button.flags": "Flags",
   "emoji_button.food": "Food & Drink",
diff --git a/app/javascript/mastodon/locales/fr.json b/app/javascript/mastodon/locales/fr.json
index b6605295b4..c3e7432591 100644
--- a/app/javascript/mastodon/locales/fr.json
+++ b/app/javascript/mastodon/locales/fr.json
@@ -55,6 +55,8 @@
   "confirmations.domain_block.message": "Êtes-vous vraiment, vraiment sûr⋅e de vouloir bloquer {domain} en entier ? Dans la plupart des cas, quelques blocages ou masquages ciblés sont suffisants et préférables.",
   "confirmations.mute.confirm": "Masquer",
   "confirmations.mute.message": "Confirmez vous le masquage de {name} ?",
+  "confirmations.unfollow.confirm": "Unfollow",
+  "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
   "emoji_button.activity": "Activités",
   "emoji_button.flags": "Drapeaux",
   "emoji_button.food": "Boire et manger",
diff --git a/app/javascript/mastodon/locales/he.json b/app/javascript/mastodon/locales/he.json
index 8b63bd26bb..c8dc4fe8db 100644
--- a/app/javascript/mastodon/locales/he.json
+++ b/app/javascript/mastodon/locales/he.json
@@ -55,6 +55,8 @@
   "confirmations.domain_block.message": "באמת באמת לחסום את כל קהילת {domain}? ברב המקרים השתקות נבחרות של מספר משתמשים מסויימים צריכה להספיק.",
   "confirmations.mute.confirm": "להשתיק",
   "confirmations.mute.message": "להשתיק את {name}?",
+  "confirmations.unfollow.confirm": "Unfollow",
+  "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
   "emoji_button.activity": "פעילות",
   "emoji_button.flags": "דגלים",
   "emoji_button.food": "אוכל ושתיה",
diff --git a/app/javascript/mastodon/locales/hr.json b/app/javascript/mastodon/locales/hr.json
index 165e3088fc..fd669b2b27 100644
--- a/app/javascript/mastodon/locales/hr.json
+++ b/app/javascript/mastodon/locales/hr.json
@@ -55,6 +55,8 @@
   "confirmations.domain_block.message": "Jesi li zaista, zaista siguran da želiš blokirati sve sa {domain}? U većini slučajeva nekoliko ciljanih blokiranja ili utišavanja je dostatno i poželjnije.",
   "confirmations.mute.confirm": "Utišaj",
   "confirmations.mute.message": "Jesi li siguran da želiš utišati {name}?",
+  "confirmations.unfollow.confirm": "Unfollow",
+  "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
   "emoji_button.activity": "Aktivnost",
   "emoji_button.flags": "Zastave",
   "emoji_button.food": "Hrana & Piće",
diff --git a/app/javascript/mastodon/locales/hu.json b/app/javascript/mastodon/locales/hu.json
index 71dcce5053..b3672cb7a4 100644
--- a/app/javascript/mastodon/locales/hu.json
+++ b/app/javascript/mastodon/locales/hu.json
@@ -55,6 +55,8 @@
   "confirmations.domain_block.message": "Are you really, really sure you want to block the entire {domain}? In most cases a few targeted blocks or mutes are sufficient and preferable.",
   "confirmations.mute.confirm": "Mute",
   "confirmations.mute.message": "Are you sure you want to mute {name}?",
+  "confirmations.unfollow.confirm": "Unfollow",
+  "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
   "emoji_button.activity": "Activity",
   "emoji_button.flags": "Flags",
   "emoji_button.food": "Food & Drink",
diff --git a/app/javascript/mastodon/locales/id.json b/app/javascript/mastodon/locales/id.json
index 0c21877d83..8a17262fe8 100644
--- a/app/javascript/mastodon/locales/id.json
+++ b/app/javascript/mastodon/locales/id.json
@@ -55,6 +55,8 @@
   "confirmations.domain_block.message": "Are you really, really sure you want to block the entire {domain}? In most cases a few targeted blocks or mutes are sufficient and preferable.",
   "confirmations.mute.confirm": "Bisukan",
   "confirmations.mute.message": "Apa anda yakin ingin membisukan {name}?",
+  "confirmations.unfollow.confirm": "Unfollow",
+  "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
   "emoji_button.activity": "Aktivitas",
   "emoji_button.flags": "Bendera",
   "emoji_button.food": "Makanan & Minuman",
diff --git a/app/javascript/mastodon/locales/io.json b/app/javascript/mastodon/locales/io.json
index 788d09f34f..154ca66cee 100644
--- a/app/javascript/mastodon/locales/io.json
+++ b/app/javascript/mastodon/locales/io.json
@@ -55,6 +55,8 @@
   "confirmations.domain_block.message": "Are you really, really sure you want to block the entire {domain}? In most cases a few targeted blocks or mutes are sufficient and preferable.",
   "confirmations.mute.confirm": "Mute",
   "confirmations.mute.message": "Are you sure you want to mute {name}?",
+  "confirmations.unfollow.confirm": "Unfollow",
+  "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
   "emoji_button.activity": "Activity",
   "emoji_button.flags": "Flags",
   "emoji_button.food": "Food & Drink",
diff --git a/app/javascript/mastodon/locales/it.json b/app/javascript/mastodon/locales/it.json
index 9176bfaafe..6cb274bae9 100644
--- a/app/javascript/mastodon/locales/it.json
+++ b/app/javascript/mastodon/locales/it.json
@@ -55,6 +55,8 @@
   "confirmations.domain_block.message": "Are you really, really sure you want to block the entire {domain}? In most cases a few targeted blocks or mutes are sufficient and preferable.",
   "confirmations.mute.confirm": "Mute",
   "confirmations.mute.message": "Are you sure you want to mute {name}?",
+  "confirmations.unfollow.confirm": "Unfollow",
+  "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
   "emoji_button.activity": "Activity",
   "emoji_button.flags": "Flags",
   "emoji_button.food": "Food & Drink",
diff --git a/app/javascript/mastodon/locales/ja.json b/app/javascript/mastodon/locales/ja.json
index a686cdc030..b3943f646c 100644
--- a/app/javascript/mastodon/locales/ja.json
+++ b/app/javascript/mastodon/locales/ja.json
@@ -55,6 +55,8 @@
   "confirmations.domain_block.message": "本当に{domain}全体を非表示にしますか？　多くの場合は個別にブロックやミュートするだけで充分であり、また好ましいです。",
   "confirmations.mute.confirm": "ミュート",
   "confirmations.mute.message": "本当に{name}をミュートしますか？",
+  "confirmations.unfollow.confirm": "フォロー解除",
+  "confirmations.unfollow.message": "本当に{name}のフォローを解除しますか？",
   "emoji_button.activity": "活動",
   "emoji_button.flags": "国旗",
   "emoji_button.food": "食べ物",
@@ -149,7 +151,7 @@
   "report.target": "問題のユーザー",
   "search.placeholder": "検索",
   "search_results.total": "{count, number}件の結果",
-  "standalone.public_title": "A look inside...",
+  "standalone.public_title": "連合タイムライン",
   "status.cannot_reblog": "この投稿はブーストできません",
   "status.delete": "削除",
   "status.favourite": "お気に入り",
diff --git a/app/javascript/mastodon/locales/ko.json b/app/javascript/mastodon/locales/ko.json
index 0b47cc990c..fbd0098d75 100644
--- a/app/javascript/mastodon/locales/ko.json
+++ b/app/javascript/mastodon/locales/ko.json
@@ -55,6 +55,8 @@
   "confirmations.domain_block.message": "정말로 {domain} 전체를 숨기시겠습니까? 대부분의 경우 개별 차단이나 뮤트로 충분합니다.",
   "confirmations.mute.confirm": "뮤트",
   "confirmations.mute.message": "정말로 {name}를 뮤트하시겠습니까?",
+  "confirmations.unfollow.confirm": "Unfollow",
+  "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
   "emoji_button.activity": "활동",
   "emoji_button.flags": "국기",
   "emoji_button.food": "음식",
diff --git a/app/javascript/mastodon/locales/nl.json b/app/javascript/mastodon/locales/nl.json
index cf6a8bd31c..f7b0bbf68a 100644
--- a/app/javascript/mastodon/locales/nl.json
+++ b/app/javascript/mastodon/locales/nl.json
@@ -55,6 +55,8 @@
   "confirmations.domain_block.message": "Weet je het echt, echt zeker dat je alles van {domain} wil negeren? In de meeste gevallen is het blokkeren of negeren van een paar specifieke personen voldoende en gewenst.",
   "confirmations.mute.confirm": "Negeren",
   "confirmations.mute.message": "Weet je zeker dat je {name} wilt negeren?",
+  "confirmations.unfollow.confirm": "Unfollow",
+  "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
   "emoji_button.activity": "Activiteiten",
   "emoji_button.flags": "Vlaggen",
   "emoji_button.food": "Eten en drinken",
diff --git a/app/javascript/mastodon/locales/no.json b/app/javascript/mastodon/locales/no.json
index 1f4082d7bc..98f59f7740 100644
--- a/app/javascript/mastodon/locales/no.json
+++ b/app/javascript/mastodon/locales/no.json
@@ -55,6 +55,8 @@
   "confirmations.domain_block.message": "Er du sikker på at du vil skjule hele domenet {domain}? I de fleste tilfeller er det bedre med målrettet blokkering eller demping.",
   "confirmations.mute.confirm": "Demp",
   "confirmations.mute.message": "Er du sikker på at du vil dempe {name}?",
+  "confirmations.unfollow.confirm": "Unfollow",
+  "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
   "emoji_button.activity": "Aktivitet",
   "emoji_button.flags": "Flagg",
   "emoji_button.food": "Mat og drikke",
diff --git a/app/javascript/mastodon/locales/oc.json b/app/javascript/mastodon/locales/oc.json
index dc6dd5e32d..ca094c18ad 100644
--- a/app/javascript/mastodon/locales/oc.json
+++ b/app/javascript/mastodon/locales/oc.json
@@ -55,6 +55,8 @@
   "confirmations.domain_block.message": "Sètz segur segur de voler blocar complètament {domain} ? De còps cal pas que blocar o rescondre unas personas solament.",
   "confirmations.mute.confirm": "Metre en silenci",
   "confirmations.mute.message": "Sètz segur de voler metre en silenci {name} ?",
+  "confirmations.unfollow.confirm": "Unfollow",
+  "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
   "emoji_button.activity": "Activitat",
   "emoji_button.flags": "Drapèus",
   "emoji_button.food": "Beure e manjar",
diff --git a/app/javascript/mastodon/locales/pl.json b/app/javascript/mastodon/locales/pl.json
index 233d619957..683f589b1e 100644
--- a/app/javascript/mastodon/locales/pl.json
+++ b/app/javascript/mastodon/locales/pl.json
@@ -55,6 +55,8 @@
   "confirmations.domain_block.message": "Czy na pewno chcesz zablokować całą domenę {domain}? Zwykle lepszym rozwiązaniem jest blokada lub wyciszenie kilku użytkowników.",
   "confirmations.mute.confirm": "Wycisz",
   "confirmations.mute.message": "Czy na pewno chcesz wyciszyć {name}?",
+  "confirmations.unfollow.confirm": "Unfollow",
+  "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
   "emoji_button.activity": "Aktywność",
   "emoji_button.flags": "Flagi",
   "emoji_button.food": "Żywność i napoje",
diff --git a/app/javascript/mastodon/locales/pt-BR.json b/app/javascript/mastodon/locales/pt-BR.json
index cf2b911f2f..3944e33e9c 100644
--- a/app/javascript/mastodon/locales/pt-BR.json
+++ b/app/javascript/mastodon/locales/pt-BR.json
@@ -55,6 +55,8 @@
   "confirmations.domain_block.message": "Are you really, really sure you want to block the entire {domain}? In most cases a few targeted blocks or mutes are sufficient and preferable.",
   "confirmations.mute.confirm": "Mute",
   "confirmations.mute.message": "Are you sure you want to mute {name}?",
+  "confirmations.unfollow.confirm": "Unfollow",
+  "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
   "emoji_button.activity": "Activity",
   "emoji_button.flags": "Flags",
   "emoji_button.food": "Food & Drink",
diff --git a/app/javascript/mastodon/locales/pt.json b/app/javascript/mastodon/locales/pt.json
index cf2b911f2f..3944e33e9c 100644
--- a/app/javascript/mastodon/locales/pt.json
+++ b/app/javascript/mastodon/locales/pt.json
@@ -55,6 +55,8 @@
   "confirmations.domain_block.message": "Are you really, really sure you want to block the entire {domain}? In most cases a few targeted blocks or mutes are sufficient and preferable.",
   "confirmations.mute.confirm": "Mute",
   "confirmations.mute.message": "Are you sure you want to mute {name}?",
+  "confirmations.unfollow.confirm": "Unfollow",
+  "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
   "emoji_button.activity": "Activity",
   "emoji_button.flags": "Flags",
   "emoji_button.food": "Food & Drink",
diff --git a/app/javascript/mastodon/locales/ru.json b/app/javascript/mastodon/locales/ru.json
index 942a13ede2..cffc285f45 100644
--- a/app/javascript/mastodon/locales/ru.json
+++ b/app/javascript/mastodon/locales/ru.json
@@ -55,6 +55,8 @@
   "confirmations.domain_block.message": "Вы на самом деле уверены, что хотите блокировать весь {domain}? В большинстве случаев нескольких отдельных блокировок или глушений достаточно.",
   "confirmations.mute.confirm": "Заглушить",
   "confirmations.mute.message": "Вы уверены, что хотите заглушить {name}?",
+  "confirmations.unfollow.confirm": "Unfollow",
+  "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
   "emoji_button.activity": "Занятия",
   "emoji_button.flags": "Флаги",
   "emoji_button.food": "Еда и напитки",
diff --git a/app/javascript/mastodon/locales/th.json b/app/javascript/mastodon/locales/th.json
index e9e96c14fe..63bed6d8c1 100644
--- a/app/javascript/mastodon/locales/th.json
+++ b/app/javascript/mastodon/locales/th.json
@@ -55,6 +55,8 @@
   "confirmations.domain_block.message": "Are you really, really sure you want to block the entire {domain}? In most cases a few targeted blocks or mutes are sufficient and preferable.",
   "confirmations.mute.confirm": "Mute",
   "confirmations.mute.message": "Are you sure you want to mute {name}?",
+  "confirmations.unfollow.confirm": "Unfollow",
+  "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
   "emoji_button.activity": "Activity",
   "emoji_button.flags": "Flags",
   "emoji_button.food": "Food & Drink",
diff --git a/app/javascript/mastodon/locales/tr.json b/app/javascript/mastodon/locales/tr.json
index adfa79cd90..5bd308e952 100644
--- a/app/javascript/mastodon/locales/tr.json
+++ b/app/javascript/mastodon/locales/tr.json
@@ -55,6 +55,8 @@
   "confirmations.domain_block.message": "Are you really, really sure you want to block the entire {domain}? In most cases a few targeted blocks or mutes are sufficient and preferable.",
   "confirmations.mute.confirm": "Sessize al",
   "confirmations.mute.message": "{name} kullanıcısını sessize almak istiyor musunuz?",
+  "confirmations.unfollow.confirm": "Unfollow",
+  "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
   "emoji_button.activity": "Aktivite",
   "emoji_button.flags": "Bayraklar",
   "emoji_button.food": "Yiyecek ve İçecek",
diff --git a/app/javascript/mastodon/locales/uk.json b/app/javascript/mastodon/locales/uk.json
index 435067281e..e1611505de 100644
--- a/app/javascript/mastodon/locales/uk.json
+++ b/app/javascript/mastodon/locales/uk.json
@@ -55,6 +55,8 @@
   "confirmations.domain_block.message": "Ви точно, точно впевнені, що хочете заблокувати весь домен {domain}? У більшості випадків для нормальної роботи краще заблокувати/заглушити лише деяких користувачів.",
   "confirmations.mute.confirm": "Заглушити",
   "confirmations.mute.message": "Ви впевнені, що хочете заглушити {name}?",
+  "confirmations.unfollow.confirm": "Unfollow",
+  "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
   "emoji_button.activity": "Заняття",
   "emoji_button.flags": "Прапори",
   "emoji_button.food": "Їжа та напої",
diff --git a/app/javascript/mastodon/locales/zh-CN.json b/app/javascript/mastodon/locales/zh-CN.json
index 0f2c1fcec3..18bf872e59 100644
--- a/app/javascript/mastodon/locales/zh-CN.json
+++ b/app/javascript/mastodon/locales/zh-CN.json
@@ -55,6 +55,8 @@
   "confirmations.domain_block.message": "Are you really, really sure you want to block the entire {domain}? In most cases a few targeted blocks or mutes are sufficient and preferable.",
   "confirmations.mute.confirm": "静音",
   "confirmations.mute.message": "想好了，真的要静音 {name}?",
+  "confirmations.unfollow.confirm": "Unfollow",
+  "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
   "emoji_button.activity": "活动",
   "emoji_button.flags": "旗帜",
   "emoji_button.food": "食物和饮料",
diff --git a/app/javascript/mastodon/locales/zh-HK.json b/app/javascript/mastodon/locales/zh-HK.json
index c0b4cfce97..a461085c7f 100644
--- a/app/javascript/mastodon/locales/zh-HK.json
+++ b/app/javascript/mastodon/locales/zh-HK.json
@@ -55,6 +55,8 @@
   "confirmations.domain_block.message": "Are you really, really sure you want to block the entire {domain}? In most cases a few targeted blocks or mutes are sufficient and preferable.",
   "confirmations.mute.confirm": "靜音",
   "confirmations.mute.message": "你確定要將{name}靜音嗎？",
+  "confirmations.unfollow.confirm": "Unfollow",
+  "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
   "emoji_button.activity": "活動",
   "emoji_button.flags": "旗幟",
   "emoji_button.food": "飲飲食食",
diff --git a/app/javascript/mastodon/locales/zh-TW.json b/app/javascript/mastodon/locales/zh-TW.json
index 772cc691cd..d766fb3943 100644
--- a/app/javascript/mastodon/locales/zh-TW.json
+++ b/app/javascript/mastodon/locales/zh-TW.json
@@ -55,6 +55,8 @@
   "confirmations.domain_block.message": "你真的真的確定要封鎖整個 {domain} ？多數情況下，比較推薦封鎖或消音幾個特定目標就好。",
   "confirmations.mute.confirm": "消音",
   "confirmations.mute.message": "你確定要消音 {name} ？",
+  "confirmations.unfollow.confirm": "Unfollow",
+  "confirmations.unfollow.message": "Are you sure you want to unfollow {name}?",
   "emoji_button.activity": "活動",
   "emoji_button.flags": "旗幟",
   "emoji_button.food": "食物與飲料",
diff --git a/app/javascript/mastodon/main.js b/app/javascript/mastodon/main.js
index 80a169f516..c85cd58008 100644
--- a/app/javascript/mastodon/main.js
+++ b/app/javascript/mastodon/main.js
@@ -1,12 +1,14 @@
+import * as OfflinePluginRuntime from 'offline-plugin/runtime';
+import * as WebPushSubscription from './web_push_subscription';
+import Mastodon from 'mastodon/containers/mastodon';
+import React from 'react';
+import ReactDOM from 'react-dom';
 import ready from './ready';
 
 const perf = require('./performance');
 
 function main() {
   perf.start('main()');
-  const Mastodon = require('mastodon/containers/mastodon').default;
-  const React = require('react');
-  const ReactDOM = require('react-dom');
 
   if (window.history && history.replaceState) {
     const { pathname, search, hash } = window.location;
@@ -23,9 +25,6 @@ function main() {
     ReactDOM.render(<Mastodon {...props} />, mountNode);
     if (process.env.NODE_ENV === 'production') {
       // avoid offline in dev mode because it's harder to debug
-      const OfflinePluginRuntime = require('offline-plugin/runtime');
-      const WebPushSubscription = require('./web_push_subscription');
-
       OfflinePluginRuntime.install();
       WebPushSubscription.register();
     }
diff --git a/app/javascript/mastodon/service_worker/entry.js b/app/javascript/mastodon/service_worker/entry.js
index 364b670660..eea4cfc3c2 100644
--- a/app/javascript/mastodon/service_worker/entry.js
+++ b/app/javascript/mastodon/service_worker/entry.js
@@ -1 +1,10 @@
 import './web_push_notifications';
+
+// Cause a new version of a registered Service Worker to replace an existing one
+// that is already installed, and replace the currently active worker on open pages.
+self.addEventListener('install', function(event) {
+  event.waitUntil(self.skipWaiting());
+});
+self.addEventListener('activate', function(event) {
+  event.waitUntil(self.clients.claim());
+});
diff --git a/app/javascript/mastodon/service_worker/web_push_notifications.js b/app/javascript/mastodon/service_worker/web_push_notifications.js
index 1708aa9f77..4a8a577672 100644
--- a/app/javascript/mastodon/service_worker/web_push_notifications.js
+++ b/app/javascript/mastodon/service_worker/web_push_notifications.js
@@ -50,6 +50,24 @@ const makeRequest = (notification, action) =>
     credentials: 'include',
   });
 
+const openUrl = url =>
+  self.clients.matchAll({ type: 'window' }).then(clientList => {
+    if (clientList.length !== 0 && 'navigate' in clientList[0]) { // Chrome 42-48 does not support navigate
+      const webClients = clientList
+        .filter(client => /\/web\//.test(client.url))
+        .sort(client => client !== 'visible');
+
+      const visibleClient = clientList.find(client => client.visibilityState === 'visible');
+      const focusedClient = clientList.find(client => client.focused);
+
+      const client = webClients[0] || visibleClient || focusedClient || clientList[0];
+
+      return client.navigate(url).then(client => client.focus());
+    } else {
+      return self.clients.openWindow(url);
+    }
+  });
+
 const removeActionFromNotification = (notification, action) => {
   const actions = notification.actions.filter(act => act.action !== action.action);
 
@@ -75,7 +93,7 @@ const handleNotificationClick = (event) => {
       }
     } else {
       event.notification.close();
-      resolve(self.clients.openWindow(event.notification.data.url));
+      resolve(openUrl(event.notification.data.url));
     }
   });
 
diff --git a/app/javascript/packs/about.js b/app/javascript/packs/about.js
index 7b8ab5e5d8..6705377c10 100644
--- a/app/javascript/packs/about.js
+++ b/app/javascript/packs/about.js
@@ -1,12 +1,11 @@
-import TimelineContainer from '../mastodon/containers/timeline_container';
-import React from 'react';
-import ReactDOM from 'react-dom';
 import loadPolyfills from '../mastodon/load_polyfills';
-import ready from '../mastodon/ready';
 
 require.context('../images/', true);
 
 function loaded() {
+  const TimelineContainer = require('../mastodon/containers/timeline_container').default;
+  const React = require('react');
+  const ReactDOM = require('react-dom');
   const mountNode = document.getElementById('mastodon-timeline');
 
   if (mountNode !== null) {
@@ -16,6 +15,7 @@ function loaded() {
 }
 
 function main() {
+  const ready = require('../mastodon/ready').default;
   ready(loaded);
 }
 
diff --git a/app/javascript/packs/admin.js b/app/javascript/packs/admin.js
new file mode 100644
index 0000000000..993827db59
--- /dev/null
+++ b/app/javascript/packs/admin.js
@@ -0,0 +1,40 @@
+import { delegate } from 'rails-ujs';
+
+function handleDeleteStatus(event) {
+  const [data] = event.detail;
+  const element = document.querySelector(`[data-id="${data.id}"]`);
+  if (element) {
+    element.parentNode.removeChild(element);
+  }
+}
+
+[].forEach.call(document.querySelectorAll('.trash-button'), (content) => {
+  content.addEventListener('ajax:success', handleDeleteStatus);
+});
+
+const batchCheckboxClassName = '.batch-checkbox input[type="checkbox"]';
+
+delegate(document, '#batch_checkbox_all', 'change', ({ target }) => {
+  [].forEach.call(document.querySelectorAll(batchCheckboxClassName), (content) => {
+    content.checked = target.checked;
+  });
+});
+
+delegate(document, batchCheckboxClassName, 'change', () => {
+  const checkAllElement = document.querySelector('#batch_checkbox_all');
+  if (checkAllElement) {
+    checkAllElement.checked = [].every.call(document.querySelectorAll(batchCheckboxClassName), (content) => content.checked);
+  }
+});
+
+delegate(document, '.media-spoiler-show-button', 'click', () => {
+  [].forEach.call(document.querySelectorAll('.activity-stream .media-spoiler-wrapper'), (content) => {
+    content.classList.add('media-spoiler-wrapper__visible');
+  });
+});
+
+delegate(document, '.media-spoiler-hide-button', 'click', () => {
+  [].forEach.call(document.querySelectorAll('.activity-stream .media-spoiler-wrapper'), (content) => {
+    content.classList.remove('media-spoiler-wrapper__visible');
+  });
+});
diff --git a/app/javascript/packs/application.js b/app/javascript/packs/application.js
index 63c5d62720..116632dea7 100644
--- a/app/javascript/packs/application.js
+++ b/app/javascript/packs/application.js
@@ -1,6 +1,7 @@
-import main from '../mastodon/main';
 import loadPolyfills from '../mastodon/load_polyfills';
 
-loadPolyfills().then(main).catch(e => {
+loadPolyfills().then(() => {
+  require('../mastodon/main').default();
+}).catch(e => {
   console.error(e);
 });
diff --git a/app/javascript/packs/public.js b/app/javascript/packs/public.js
index 39daef7614..1e89660f2a 100644
--- a/app/javascript/packs/public.js
+++ b/app/javascript/packs/public.js
@@ -1,45 +1,44 @@
-import { length } from 'stringz';
-import IntlRelativeFormat from 'intl-relativeformat';
-import { delegate } from 'rails-ujs';
-import emojify from '../mastodon/emoji';
-import { getLocale } from '../mastodon/locales';
 import loadPolyfills from '../mastodon/load_polyfills';
 import { processBio } from '../glitch/util/bio_metadata';
-import ready from '../mastodon/ready';
 
-const { localeData } = getLocale();
-localeData.forEach(IntlRelativeFormat.__addLocaleData);
+function main() {
+  const { length } = require('stringz');
+  const IntlRelativeFormat = require('intl-relativeformat').default;
+  const { delegate } = require('rails-ujs');
+  const emojify = require('../mastodon/emoji').default;
+  const { getLocale } = require('../mastodon/locales');
+  const ready = require('../mastodon/ready').default;
 
-function loaded() {
-  const locale = document.documentElement.lang;
-  const dateTimeFormat = new Intl.DateTimeFormat(locale, {
-    year: 'numeric',
-    month: 'long',
-    day: 'numeric',
-    hour: 'numeric',
-    minute: 'numeric',
-  });
-  const relativeFormat = new IntlRelativeFormat(locale);
+  const { localeData } = getLocale();
+  localeData.forEach(IntlRelativeFormat.__addLocaleData);
 
-  [].forEach.call(document.querySelectorAll('.emojify'), (content) => {
-    content.innerHTML = emojify(content.innerHTML);
-  });
+  ready(() => {
+    const locale = document.documentElement.lang;
+    const dateTimeFormat = new Intl.DateTimeFormat(locale, {
+      year: 'numeric',
+      month: 'long',
+      day: 'numeric',
+      hour: 'numeric',
+      minute: 'numeric',
+    });
+    const relativeFormat = new IntlRelativeFormat(locale);
 
-  [].forEach.call(document.querySelectorAll('time.formatted'), (content) => {
-    const datetime = new Date(content.getAttribute('datetime'));
-    const formattedDate = dateTimeFormat.format(datetime);
-    content.title = formattedDate;
-    content.textContent = formattedDate;
-  });
+    [].forEach.call(document.querySelectorAll('.emojify'), (content) => {
+      content.innerHTML = emojify(content.innerHTML);
+    });
 
-  [].forEach.call(document.querySelectorAll('time.time-ago'), (content) => {
-    const datetime = new Date(content.getAttribute('datetime'));
-    content.textContent = relativeFormat.format(datetime);;
-  });
-}
+    [].forEach.call(document.querySelectorAll('time.formatted'), (content) => {
+      const datetime = new Date(content.getAttribute('datetime'));
+      const formattedDate = dateTimeFormat.format(datetime);
+      content.title = formattedDate;
+      content.textContent = formattedDate;
+    });
 
-function main() {
-  ready(loaded);
+    [].forEach.call(document.querySelectorAll('time.time-ago'), (content) => {
+      const datetime = new Date(content.getAttribute('datetime'));
+      content.textContent = relativeFormat.format(datetime);;
+    });
+  });
 
   delegate(document, '.video-player video', 'click', ({ target }) => {
     if (target.paused) {
diff --git a/app/javascript/styles/admin.scss b/app/javascript/styles/admin.scss
index 3bc713566c..4c3bbdfc50 100644
--- a/app/javascript/styles/admin.scss
+++ b/app/javascript/styles/admin.scss
@@ -253,7 +253,8 @@
   }
 }
 
-.report-status {
+.report-status,
+.account-status {
   display: flex;
   margin-bottom: 10px;
 
@@ -263,7 +264,8 @@
   }
 }
 
-.report-status__actions {
+.report-status__actions,
+.account-status__actions {
   flex: 0 0 auto;
   display: flex;
   flex-direction: column;
@@ -275,3 +277,42 @@
     margin-bottom: 10px;
   }
 }
+
+.batch-form-box {
+  display: flex;
+  margin-bottom: 10px;
+
+  #form_status_batch_action {
+    margin-right: 5px;
+    font-size: 14px;
+  }
+
+  .media-spoiler-toggle-buttons {
+    margin-left: auto;
+
+    .button {
+      overflow: visible;
+    }
+  }
+}
+
+.batch-checkbox,
+.batch-checkbox-all {
+  display: flex;
+  align-items: center;
+  margin-right: 5px;
+}
+
+.back-link {
+  margin-bottom: 10px;
+  font-size: 14px;
+
+  a {
+    color: $classic-highlight-color;
+    text-decoration: none;
+
+    &:hover {
+      text-decoration: underline;
+    }
+  }
+}
diff --git a/app/lib/ostatus/activity/base.rb b/app/lib/ostatus/activity/base.rb
new file mode 100644
index 0000000000..f528815b3e
--- /dev/null
+++ b/app/lib/ostatus/activity/base.rb
@@ -0,0 +1,50 @@
+# frozen_string_literal: true
+
+class Ostatus::Activity::Base
+  def initialize(xml, account = nil)
+    @xml = xml
+    @account = account
+  end
+
+  def status?
+    [:activity, :note, :comment].include?(type)
+  end
+
+  def verb
+    raw = @xml.at_xpath('./activity:verb', activity: TagManager::AS_XMLNS).content
+    TagManager::VERBS.key(raw)
+  rescue
+    :post
+  end
+
+  def type
+    raw = @xml.at_xpath('./activity:object-type', activity: TagManager::AS_XMLNS).content
+    TagManager::TYPES.key(raw)
+  rescue
+    :activity
+  end
+
+  def id
+    @xml.at_xpath('./xmlns:id', xmlns: TagManager::XMLNS).content
+  end
+
+  def url
+    link = @xml.at_xpath('./xmlns:link[@rel="alternate"]', xmlns: TagManager::XMLNS)
+    link.nil? ? nil : link['href']
+  end
+
+  private
+
+  def find_status(uri)
+    if TagManager.instance.local_id?(uri)
+      local_id = TagManager.instance.unique_tag_to_local_id(uri, 'Status')
+      return Status.find_by(id: local_id)
+    end
+
+    Status.find_by(uri: uri)
+  end
+
+  def redis
+    Redis.current
+  end
+end
diff --git a/app/lib/ostatus/activity/creation.rb b/app/lib/ostatus/activity/creation.rb
new file mode 100644
index 0000000000..c54d64fd77
--- /dev/null
+++ b/app/lib/ostatus/activity/creation.rb
@@ -0,0 +1,149 @@
+# frozen_string_literal: true
+
+class Ostatus::Activity::Creation < Ostatus::Activity::Base
+  def perform
+    if redis.exists("delete_upon_arrival:#{@account.id}:#{id}")
+      Rails.logger.debug "Delete for status #{id} was queued, ignoring"
+      return [nil, false]
+    end
+
+    return [nil, false] if @account.suspended?
+
+    Rails.logger.debug "Creating remote status #{id}"
+
+    # Return early if status already exists in db
+    status = find_status(id)
+
+    return [status, false] unless status.nil?
+
+    status = Status.create!(
+      uri: id,
+      url: url,
+      account: @account,
+      reblog: reblog,
+      text: content,
+      spoiler_text: content_warning,
+      created_at: published,
+      reply: thread?,
+      language: content_language,
+      visibility: visibility_scope,
+      conversation: find_or_create_conversation,
+      thread: thread? ? find_status(thread.first) : nil
+    )
+
+    save_mentions(status)
+    save_hashtags(status)
+    save_media(status)
+
+    if thread? && status.thread.nil?
+      Rails.logger.debug "Trying to attach #{status.id} (#{id}) to #{thread.first}"
+      ThreadResolveWorker.perform_async(status.id, thread.second)
+    end
+
+    Rails.logger.debug "Queuing remote status #{status.id} (#{id}) for distribution"
+
+    LinkCrawlWorker.perform_async(status.id) unless status.spoiler_text?
+    DistributionWorker.perform_async(status.id)
+
+    [status, true]
+  end
+
+  def content
+    @xml.at_xpath('./xmlns:content', xmlns: TagManager::XMLNS).content
+  end
+
+  def content_language
+    @xml.at_xpath('./xmlns:content', xmlns: TagManager::XMLNS)['xml:lang']&.presence || 'en'
+  end
+
+  def content_warning
+    @xml.at_xpath('./xmlns:summary', xmlns: TagManager::XMLNS)&.content || ''
+  end
+
+  def visibility_scope
+    @xml.at_xpath('./mastodon:scope', mastodon: TagManager::MTDN_XMLNS)&.content&.to_sym || :public
+  end
+
+  def published
+    @xml.at_xpath('./xmlns:published', xmlns: TagManager::XMLNS).content
+  end
+
+  def thread?
+    !@xml.at_xpath('./thr:in-reply-to', thr: TagManager::THR_XMLNS).nil?
+  end
+
+  def thread
+    thr = @xml.at_xpath('./thr:in-reply-to', thr: TagManager::THR_XMLNS)
+    [thr['ref'], thr['href']]
+  end
+
+  private
+
+  def find_or_create_conversation
+    uri = @xml.at_xpath('./ostatus:conversation', ostatus: TagManager::OS_XMLNS)&.attribute('ref')&.content
+    return if uri.nil?
+
+    if TagManager.instance.local_id?(uri)
+      local_id = TagManager.instance.unique_tag_to_local_id(uri, 'Conversation')
+      return Conversation.find_by(id: local_id)
+    end
+
+    Conversation.find_by(uri: uri) || Conversation.create!(uri: uri)
+  end
+
+  def save_mentions(parent)
+    processed_account_ids = []
+
+    @xml.xpath('./xmlns:link[@rel="mentioned"]', xmlns: TagManager::XMLNS).each do |link|
+      next if [TagManager::TYPES[:group], TagManager::TYPES[:collection]].include? link['ostatus:object-type']
+
+      mentioned_account = account_from_href(link['href'])
+
+      next if mentioned_account.nil? || processed_account_ids.include?(mentioned_account.id)
+
+      mentioned_account.mentions.where(status: parent).first_or_create(status: parent)
+
+      # So we can skip duplicate mentions
+      processed_account_ids << mentioned_account.id
+    end
+  end
+
+  def save_hashtags(parent)
+    tags = @xml.xpath('./xmlns:category', xmlns: TagManager::XMLNS).map { |category| category['term'] }.select(&:present?)
+    ProcessHashtagsService.new.call(parent, tags)
+  end
+
+  def save_media(parent)
+    do_not_download = DomainBlock.find_by(domain: parent.account.domain)&.reject_media?
+
+    @xml.xpath('./xmlns:link[@rel="enclosure"]', xmlns: TagManager::XMLNS).each do |link|
+      next unless link['href']
+
+      media = MediaAttachment.where(status: parent, remote_url: link['href']).first_or_initialize(account: parent.account, status: parent, remote_url: link['href'])
+      parsed_url = Addressable::URI.parse(link['href']).normalize
+
+      next if !%w(http https).include?(parsed_url.scheme) || parsed_url.host.empty?
+
+      media.save
+
+      next if do_not_download
+
+      begin
+        media.file_remote_url = link['href']
+        media.save!
+      rescue ActiveRecord::RecordInvalid
+        next
+      end
+    end
+  end
+
+  def account_from_href(href)
+    url = Addressable::URI.parse(href).normalize
+
+    if TagManager.instance.web_domain?(url.host)
+      Account.find_local(url.path.gsub('/users/', ''))
+    else
+      Account.where(uri: href).or(Account.where(url: href)).first || FetchRemoteAccountService.new.call(href)
+    end
+  end
+end
diff --git a/app/lib/ostatus/activity/deletion.rb b/app/lib/ostatus/activity/deletion.rb
new file mode 100644
index 0000000000..c4d05a4679
--- /dev/null
+++ b/app/lib/ostatus/activity/deletion.rb
@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+class Ostatus::Activity::Deletion < Ostatus::Activity::Base
+  def perform
+    Rails.logger.debug "Deleting remote status #{id}"
+    status = Status.find_by(uri: id, account: @account)
+
+    if status.nil?
+      redis.setex("delete_upon_arrival:#{@account.id}:#{id}", 6 * 3_600, id)
+    else
+      RemoveStatusService.new.call(status)
+    end
+  end
+end
diff --git a/app/lib/ostatus/activity/general.rb b/app/lib/ostatus/activity/general.rb
new file mode 100644
index 0000000000..3ff7a039a6
--- /dev/null
+++ b/app/lib/ostatus/activity/general.rb
@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+class Ostatus::Activity::General < Ostatus::Activity::Base
+  def specialize
+    special_class&.new(@xml, @account)
+  end
+
+  private
+
+  def special_class
+    case verb
+    when :post
+      Ostatus::Activity::Post
+    when :share
+      Ostatus::Activity::Share
+    when :delete
+      Ostatus::Activity::Deletion
+    end
+  end
+end
diff --git a/app/lib/ostatus/activity/post.rb b/app/lib/ostatus/activity/post.rb
new file mode 100644
index 0000000000..8028db2f8d
--- /dev/null
+++ b/app/lib/ostatus/activity/post.rb
@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+class Ostatus::Activity::Post < Ostatus::Activity::Creation
+  def perform
+    status, just_created = super
+
+    if just_created
+      status.mentions.includes(:account).each do |mention|
+        mentioned_account = mention.account
+        next unless mentioned_account.local?
+        NotifyService.new.call(mentioned_account, mention)
+      end
+    end
+
+    status
+  end
+
+  private
+
+  def reblog
+    nil
+  end
+end
diff --git a/app/lib/ostatus/activity/remote.rb b/app/lib/ostatus/activity/remote.rb
new file mode 100644
index 0000000000..755f885e62
--- /dev/null
+++ b/app/lib/ostatus/activity/remote.rb
@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+class Ostatus::Activity::Remote < Ostatus::Activity::Base
+  def perform
+    find_status(id) || FetchRemoteStatusService.new.call(url)
+  end
+end
diff --git a/app/lib/ostatus/activity/share.rb b/app/lib/ostatus/activity/share.rb
new file mode 100644
index 0000000000..73aac58ed2
--- /dev/null
+++ b/app/lib/ostatus/activity/share.rb
@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+
+class Ostatus::Activity::Share < Ostatus::Activity::Creation
+  def perform
+    return if reblog.nil?
+
+    status, just_created = super
+    NotifyService.new.call(reblog.account, status) if reblog.account.local? && just_created
+    status
+  end
+
+  def object
+    @xml.at_xpath('.//activity:object', activity: TagManager::AS_XMLNS)
+  end
+
+  private
+
+  def reblog
+    return @reblog if defined? @reblog
+
+    original_status = Ostatus::Activity::Remote.new(object).perform
+    return if original_status.nil?
+
+    @reblog = original_status.reblog? ? original_status.reblog : original_status
+  end
+end
diff --git a/app/lib/atom_serializer.rb b/app/lib/ostatus/atom_serializer.rb
similarity index 99%
rename from app/lib/atom_serializer.rb
rename to app/lib/ostatus/atom_serializer.rb
index b14d596ddc..909d84df31 100644
--- a/app/lib/atom_serializer.rb
+++ b/app/lib/ostatus/atom_serializer.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-class AtomSerializer
+class Ostatus::AtomSerializer
   include RoutingHelper
   include ActionView::Helpers::SanitizeHelper
 
diff --git a/app/lib/user_settings_decorator.rb b/app/lib/user_settings_decorator.rb
index c5da180291..62046ed726 100644
--- a/app/lib/user_settings_decorator.rb
+++ b/app/lib/user_settings_decorator.rb
@@ -19,6 +19,7 @@ class UserSettingsDecorator
     user.settings['interactions'] = merged_interactions
     user.settings['default_privacy'] = default_privacy_preference
     user.settings['default_sensitive'] = default_sensitive_preference
+    user.settings['unfollow_modal'] = unfollow_modal_preference
     user.settings['boost_modal'] = boost_modal_preference
     user.settings['delete_modal'] = delete_modal_preference
     user.settings['auto_play_gif'] = auto_play_gif_preference
@@ -42,6 +43,10 @@ class UserSettingsDecorator
     boolean_cast_setting 'setting_default_sensitive'
   end
 
+  def unfollow_modal_preference
+    boolean_cast_setting 'setting_unfollow_modal'
+  end
+
   def boost_modal_preference
     boolean_cast_setting 'setting_boost_modal'
   end
diff --git a/app/models/form/status_batch.rb b/app/models/form/status_batch.rb
new file mode 100644
index 0000000000..a97b4aa286
--- /dev/null
+++ b/app/models/form/status_batch.rb
@@ -0,0 +1,39 @@
+# frozen_string_literal: true
+
+class Form::StatusBatch
+  include ActiveModel::Model
+
+  attr_accessor :status_ids, :action
+
+  ACTION_TYPE = %w(nsfw_on nsfw_off delete).freeze
+
+  def save
+    case action
+    when 'nsfw_on', 'nsfw_off'
+      change_sensitive(action == 'nsfw_on')
+    when 'delete'
+      delete_statuses
+    end
+  end
+
+  private
+
+  def change_sensitive(sensitive)
+    media_attached_status_ids = MediaAttachment.where(status_id: status_ids).pluck(:status_id)
+    ApplicationRecord.transaction do
+      Status.where(id: media_attached_status_ids).find_each do |status|
+        status.update!(sensitive: sensitive)
+      end
+    end
+    true
+  rescue ActiveRecord::RecordInvalid
+    false
+  end
+
+  def delete_statuses
+    Status.where(id: status_ids).find_each do |status|
+      RemovalWorker.perform_async(status.id)
+    end
+    true
+  end
+end
diff --git a/app/models/user.rb b/app/models/user.rb
index becf0018fb..25dc258643 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -83,6 +83,10 @@ class User < ApplicationRecord
     settings.default_sensitive
   end
 
+  def setting_unfollow_modal
+    settings.unfollow_modal
+  end
+
   def setting_boost_modal
     settings.boost_modal
   end
diff --git a/app/models/web/push_subscription.rb b/app/models/web/push_subscription.rb
index 4440706a69..baf6a1ece1 100644
--- a/app/models/web/push_subscription.rb
+++ b/app/models/web/push_subscription.rb
@@ -12,6 +12,9 @@
 #  updated_at :datetime         not null
 #
 
+require 'webpush'
+require_relative '../../models/setting'
+
 class Web::PushSubscription < ApplicationRecord
   include RoutingHelper
   include StreamEntriesHelper
@@ -37,7 +40,6 @@ class Web::PushSubscription < ApplicationRecord
     nsfw = notification.target_status.nil? || notification.target_status.spoiler_text.empty? ? nil : notification.target_status.spoiler_text
 
     # TODO: Make sure that the payload does not exceed 4KB - Webpush::PayloadTooLarge
-    # TODO: Queue the requests - Webpush::TooManyRequests
     Webpush.payload_send(
       message: JSON.generate(
         title: title,
@@ -59,7 +61,7 @@ class Web::PushSubscription < ApplicationRecord
       p256dh: key_p256dh,
       auth: key_auth,
       vapid: {
-        # subject: "mailto:#{Setting.site_contact_email}",
+        subject: "mailto:#{Setting.site_contact_email}",
         private_key: Rails.configuration.x.vapid_private_key,
         public_key: Rails.configuration.x.vapid_public_key,
       },
@@ -166,7 +168,7 @@ class Web::PushSubscription < ApplicationRecord
       p256dh: key_p256dh,
       auth: key_auth,
       vapid: {
-        # subject: "mailto:#{Setting.site_contact_email}",
+        subject: "mailto:#{Setting.site_contact_email}",
         private_key: Rails.configuration.x.vapid_private_key,
         public_key: Rails.configuration.x.vapid_public_key,
       },
diff --git a/app/serializers/initial_state_serializer.rb b/app/serializers/initial_state_serializer.rb
index 704d29a574..0191948b1c 100644
--- a/app/serializers/initial_state_serializer.rb
+++ b/app/serializers/initial_state_serializer.rb
@@ -15,6 +15,7 @@ class InitialStateSerializer < ActiveModel::Serializer
 
     if object.current_account
       store[:me]             = object.current_account.id
+      store[:unfollow_modal] = object.current_account.user.setting_unfollow_modal
       store[:boost_modal]    = object.current_account.user.setting_boost_modal
       store[:delete_modal]   = object.current_account.user.setting_delete_modal
       store[:auto_play_gif]  = object.current_account.user.setting_auto_play_gif
diff --git a/app/services/authorize_follow_service.rb b/app/services/authorize_follow_service.rb
index 97c76bee10..a25d11dbd5 100644
--- a/app/services/authorize_follow_service.rb
+++ b/app/services/authorize_follow_service.rb
@@ -10,6 +10,6 @@ class AuthorizeFollowService < BaseService
   private
 
   def build_xml(follow_request)
-    AtomSerializer.render(AtomSerializer.new.authorize_follow_request_salmon(follow_request))
+    Ostatus::AtomSerializer.render(Ostatus::AtomSerializer.new.authorize_follow_request_salmon(follow_request))
   end
 end
diff --git a/app/services/block_service.rb b/app/services/block_service.rb
index d59b47afbf..15420e192d 100644
--- a/app/services/block_service.rb
+++ b/app/services/block_service.rb
@@ -18,6 +18,6 @@ class BlockService < BaseService
   private
 
   def build_xml(block)
-    AtomSerializer.render(AtomSerializer.new.block_salmon(block))
+    Ostatus::AtomSerializer.render(Ostatus::AtomSerializer.new.block_salmon(block))
   end
 end
diff --git a/app/services/concerns/stream_entry_renderer.rb b/app/services/concerns/stream_entry_renderer.rb
index ef176d8a66..d9c30c53cf 100644
--- a/app/services/concerns/stream_entry_renderer.rb
+++ b/app/services/concerns/stream_entry_renderer.rb
@@ -2,6 +2,6 @@
 
 module StreamEntryRenderer
   def stream_entry_to_xml(stream_entry)
-    AtomSerializer.render(AtomSerializer.new.entry(stream_entry, true))
+    Ostatus::AtomSerializer.render(Ostatus::AtomSerializer.new.entry(stream_entry, true))
   end
 end
diff --git a/app/services/favourite_service.rb b/app/services/favourite_service.rb
index 90267af332..a08aba6380 100644
--- a/app/services/favourite_service.rb
+++ b/app/services/favourite_service.rb
@@ -28,6 +28,6 @@ class FavouriteService < BaseService
   private
 
   def build_xml(favourite)
-    AtomSerializer.render(AtomSerializer.new.favourite_salmon(favourite))
+    Ostatus::AtomSerializer.render(Ostatus::AtomSerializer.new.favourite_salmon(favourite))
   end
 end
diff --git a/app/services/follow_service.rb b/app/services/follow_service.rb
index e54ff7d0f5..7a7275b6e7 100644
--- a/app/services/follow_service.rb
+++ b/app/services/follow_service.rb
@@ -57,10 +57,10 @@ class FollowService < BaseService
   end
 
   def build_follow_request_xml(follow_request)
-    AtomSerializer.render(AtomSerializer.new.follow_request_salmon(follow_request))
+    Ostatus::AtomSerializer.render(Ostatus::AtomSerializer.new.follow_request_salmon(follow_request))
   end
 
   def build_follow_xml(follow)
-    AtomSerializer.render(AtomSerializer.new.follow_salmon(follow))
+    Ostatus::AtomSerializer.render(Ostatus::AtomSerializer.new.follow_salmon(follow))
   end
 end
diff --git a/app/services/notify_service.rb b/app/services/notify_service.rb
index 0ab61b634c..c7d8ad50a5 100644
--- a/app/services/notify_service.rb
+++ b/app/services/notify_service.rb
@@ -65,7 +65,11 @@ class NotifyService < BaseService
   end
 
   def send_push_notifications
-    WebPushNotificationWorker.perform_async(@recipient.id, @notification.id)
+    sessions_with_subscriptions_ids = @recipient.user.session_activations.where.not(web_push_subscription: nil).pluck(:id)
+
+    WebPushNotificationWorker.push_bulk(sessions_with_subscriptions_ids) do |session_activation_id|
+      [session_activation_id, @notification.id]
+    end
   end
 
   def send_email
diff --git a/app/services/process_feed_service.rb b/app/services/process_feed_service.rb
index c335d21596..b99048a068 100644
--- a/app/services/process_feed_service.rb
+++ b/app/services/process_feed_service.rb
@@ -16,274 +16,14 @@ class ProcessFeedService < BaseService
   end
 
   def process_entries(xml, account)
-    xml.xpath('//xmlns:entry', xmlns: TagManager::XMLNS).reverse_each.map { |entry| ProcessEntry.new.call(entry, account) }.compact
+    xml.xpath('//xmlns:entry', xmlns: TagManager::XMLNS).reverse_each.map { |entry| process_entry(entry, account) }.compact
   end
 
-  class ProcessEntry
-    def call(xml, account)
-      @account = account
-      @xml     = xml
-
-      return if skip_unsupported_type?
-
-      case verb
-      when :post, :share
-        return create_status
-      when :delete
-        return delete_status
-      end
-    rescue ActiveRecord::RecordInvalid => e
-      Rails.logger.debug "Nothing was saved for #{id} because: #{e}"
-      nil
-    end
-
-    private
-
-    def create_status
-      if redis.exists("delete_upon_arrival:#{@account.id}:#{id}")
-        Rails.logger.debug "Delete for status #{id} was queued, ignoring"
-        return
-      end
-
-      status, just_created = nil
-
-      Rails.logger.debug "Creating remote status #{id}"
-
-      if verb == :share
-        original_status = shared_status_from_xml(@xml.at_xpath('.//activity:object', activity: TagManager::AS_XMLNS))
-        return nil if original_status.nil?
-      end
-
-      ApplicationRecord.transaction do
-        status, just_created = status_from_xml(@xml)
-
-        return if status.nil?
-        return status unless just_created
-
-        if verb == :share
-          status.reblog = original_status.reblog? ? original_status.reblog : original_status
-        end
-
-        status.save!
-      end
-
-      if thread?(@xml) && status.thread.nil?
-        Rails.logger.debug "Trying to attach #{status.id} (#{id(@xml)}) to #{thread(@xml).first}"
-        ThreadResolveWorker.perform_async(status.id, thread(@xml).second)
-      end
-
-      notify_about_mentions!(status) unless status.reblog?
-      notify_about_reblog!(status) if status.reblog? && status.reblog.account.local?
-
-      Rails.logger.debug "Queuing remote status #{status.id} (#{id}) for distribution"
-
-      LinkCrawlWorker.perform_async(status.id) unless status.spoiler_text?
-      DistributionWorker.perform_async(status.id)
-
-      status
-    end
-
-    def notify_about_mentions!(status)
-      status.mentions.includes(:account).each do |mention|
-        mentioned_account = mention.account
-        next unless mentioned_account.local?
-        NotifyService.new.call(mentioned_account, mention)
-      end
-    end
-
-    def notify_about_reblog!(status)
-      NotifyService.new.call(status.reblog.account, status)
-    end
-
-    def delete_status
-      Rails.logger.debug "Deleting remote status #{id}"
-      status = Status.find_by(uri: id, account: @account)
-
-      if status.nil?
-        redis.setex("delete_upon_arrival:#{@account.id}:#{id}", 6 * 3_600, id)
-      else
-        RemoveStatusService.new.call(status)
-      end
-    end
-
-    def skip_unsupported_type?
-      !([:post, :share, :delete].include?(verb) && [:activity, :note, :comment].include?(type))
-    end
-
-    def shared_status_from_xml(entry)
-      status = find_status(id(entry))
-
-      return status unless status.nil?
-
-      FetchRemoteStatusService.new.call(url(entry))
-    end
-
-    def status_from_xml(entry)
-      # Return early if status already exists in db
-      status = find_status(id(entry))
-
-      return [status, false] unless status.nil?
-
-      account = @account
-
-      return [nil, false] if account.suspended?
-
-      status = Status.create!(
-        uri: id(entry),
-        url: url(entry),
-        account: account,
-        text: content(entry),
-        spoiler_text: content_warning(entry),
-        created_at: published(entry),
-        reply: thread?(entry),
-        language: content_language(entry),
-        visibility: visibility_scope(entry),
-        conversation: find_or_create_conversation(entry),
-        thread: thread?(entry) ? find_status(thread(entry).first) : nil
-      )
-
-      mentions_from_xml(status, entry)
-      hashtags_from_xml(status, entry)
-      media_from_xml(status, entry)
-
-      [status, true]
-    end
-
-    def find_or_create_conversation(xml)
-      uri = xml.at_xpath('./ostatus:conversation', ostatus: TagManager::OS_XMLNS)&.attribute('ref')&.content
-      return if uri.nil?
-
-      if TagManager.instance.local_id?(uri)
-        local_id = TagManager.instance.unique_tag_to_local_id(uri, 'Conversation')
-        return Conversation.find_by(id: local_id)
-      end
-
-      Conversation.find_by(uri: uri) || Conversation.create!(uri: uri)
-    end
-
-    def find_status(uri)
-      if TagManager.instance.local_id?(uri)
-        local_id = TagManager.instance.unique_tag_to_local_id(uri, 'Status')
-        return Status.find_by(id: local_id)
-      end
-
-      Status.find_by(uri: uri)
-    end
-
-    def mentions_from_xml(parent, xml)
-      processed_account_ids = []
-
-      xml.xpath('./xmlns:link[@rel="mentioned"]', xmlns: TagManager::XMLNS).each do |link|
-        next if [TagManager::TYPES[:group], TagManager::TYPES[:collection]].include? link['ostatus:object-type']
-
-        mentioned_account = account_from_href(link['href'])
-
-        next if mentioned_account.nil? || processed_account_ids.include?(mentioned_account.id)
-
-        mentioned_account.mentions.where(status: parent).first_or_create(status: parent)
-
-        # So we can skip duplicate mentions
-        processed_account_ids << mentioned_account.id
-      end
-    end
-
-    def account_from_href(href)
-      url = Addressable::URI.parse(href).normalize
-
-      if TagManager.instance.web_domain?(url.host)
-        Account.find_local(url.path.gsub('/users/', ''))
-      else
-        Account.where(uri: href).or(Account.where(url: href)).first || FetchRemoteAccountService.new.call(href)
-      end
-    end
-
-    def hashtags_from_xml(parent, xml)
-      tags = xml.xpath('./xmlns:category', xmlns: TagManager::XMLNS).map { |category| category['term'] }.select(&:present?)
-      ProcessHashtagsService.new.call(parent, tags)
-    end
-
-    def media_from_xml(parent, xml)
-      do_not_download = DomainBlock.find_by(domain: parent.account.domain)&.reject_media?
-
-      xml.xpath('./xmlns:link[@rel="enclosure"]', xmlns: TagManager::XMLNS).each do |link|
-        next unless link['href']
-
-        media = MediaAttachment.where(status: parent, remote_url: link['href']).first_or_initialize(account: parent.account, status: parent, remote_url: link['href'])
-        parsed_url = Addressable::URI.parse(link['href']).normalize
-
-        next if !%w(http https).include?(parsed_url.scheme) || parsed_url.host.empty?
-
-        media.save
-
-        next if do_not_download
-
-        begin
-          media.file_remote_url = link['href']
-          media.save!
-        rescue ActiveRecord::RecordInvalid
-          next
-        end
-      end
-    end
-
-    def id(xml = @xml)
-      xml.at_xpath('./xmlns:id', xmlns: TagManager::XMLNS).content
-    end
-
-    def verb(xml = @xml)
-      raw = xml.at_xpath('./activity:verb', activity: TagManager::AS_XMLNS).content
-      TagManager::VERBS.key(raw)
-    rescue
-      :post
-    end
-
-    def type(xml = @xml)
-      raw = xml.at_xpath('./activity:object-type', activity: TagManager::AS_XMLNS).content
-      TagManager::TYPES.key(raw)
-    rescue
-      :activity
-    end
-
-    def url(xml = @xml)
-      link = xml.at_xpath('./xmlns:link[@rel="alternate"]', xmlns: TagManager::XMLNS)
-      link.nil? ? nil : link['href']
-    end
-
-    def content(xml = @xml)
-      xml.at_xpath('./xmlns:content', xmlns: TagManager::XMLNS).content
-    end
-
-    def content_language(xml = @xml)
-      xml.at_xpath('./xmlns:content', xmlns: TagManager::XMLNS)['xml:lang']&.presence || 'en'
-    end
-
-    def content_warning(xml = @xml)
-      xml.at_xpath('./xmlns:summary', xmlns: TagManager::XMLNS)&.content || ''
-    end
-
-    def visibility_scope(xml = @xml)
-      xml.at_xpath('./mastodon:scope', mastodon: TagManager::MTDN_XMLNS)&.content&.to_sym || :public
-    end
-
-    def published(xml = @xml)
-      xml.at_xpath('./xmlns:published', xmlns: TagManager::XMLNS).content
-    end
-
-    def thread?(xml = @xml)
-      !xml.at_xpath('./thr:in-reply-to', thr: TagManager::THR_XMLNS).nil?
-    end
-
-    def thread(xml = @xml)
-      thr = xml.at_xpath('./thr:in-reply-to', thr: TagManager::THR_XMLNS)
-      [thr['ref'], thr['href']]
-    end
-
-    def account?(xml = @xml)
-      !xml.at_xpath('./xmlns:author', xmlns: TagManager::XMLNS).nil?
-    end
-
-    def redis
-      Redis.current
-    end
+  def process_entry(xml, account)
+    activity = Ostatus::Activity::General.new(xml, account)
+    activity.specialize&.perform if activity.status?
+  rescue ActiveRecord::RecordInvalid => e
+    Rails.logger.debug "Nothing was saved for #{id} because: #{e}"
+    nil
   end
 end
diff --git a/app/services/reject_follow_service.rb b/app/services/reject_follow_service.rb
index 675007938b..87fc49b348 100644
--- a/app/services/reject_follow_service.rb
+++ b/app/services/reject_follow_service.rb
@@ -10,6 +10,6 @@ class RejectFollowService < BaseService
   private
 
   def build_xml(follow_request)
-    AtomSerializer.render(AtomSerializer.new.reject_follow_request_salmon(follow_request))
+    Ostatus::AtomSerializer.render(Ostatus::AtomSerializer.new.reject_follow_request_salmon(follow_request))
   end
 end
diff --git a/app/services/unblock_service.rb b/app/services/unblock_service.rb
index 3a3fd2d8c1..50c2dc2f01 100644
--- a/app/services/unblock_service.rb
+++ b/app/services/unblock_service.rb
@@ -11,6 +11,6 @@ class UnblockService < BaseService
   private
 
   def build_xml(block)
-    AtomSerializer.render(AtomSerializer.new.unblock_salmon(block))
+    Ostatus::AtomSerializer.render(Ostatus::AtomSerializer.new.unblock_salmon(block))
   end
 end
diff --git a/app/services/unfavourite_service.rb b/app/services/unfavourite_service.rb
index a32e87bff3..ede3caad17 100644
--- a/app/services/unfavourite_service.rb
+++ b/app/services/unfavourite_service.rb
@@ -13,6 +13,6 @@ class UnfavouriteService < BaseService
   private
 
   def build_xml(favourite)
-    AtomSerializer.render(AtomSerializer.new.unfavourite_salmon(favourite))
+    Ostatus::AtomSerializer.render(Ostatus::AtomSerializer.new.unfavourite_salmon(favourite))
   end
 end
diff --git a/app/services/unfollow_service.rb b/app/services/unfollow_service.rb
index 9b39f4945a..0c9a5f6577 100644
--- a/app/services/unfollow_service.rb
+++ b/app/services/unfollow_service.rb
@@ -14,6 +14,6 @@ class UnfollowService < BaseService
   private
 
   def build_xml(follow)
-    AtomSerializer.render(AtomSerializer.new.unfollow_salmon(follow))
+    Ostatus::AtomSerializer.render(Ostatus::AtomSerializer.new.unfollow_salmon(follow))
   end
 end
diff --git a/app/views/about/show.html.haml b/app/views/about/show.html.haml
index fd468bba06..0af47bde36 100644
--- a/app/views/about/show.html.haml
+++ b/app/views/about/show.html.haml
@@ -18,13 +18,13 @@
 .landing-page
   .header-wrapper
     .mascot-container
-      = image_tag asset_pack_path('elephant-fren.png'), class: 'mascot'
+      = image_tag asset_pack_path('elephant-fren.png'), alt: '', role: 'presentation', class: 'mascot'
 
     .header
       .container.links
         .brand
           = link_to root_url do
-            = image_tag asset_pack_path('logo.svg')
+            = image_tag asset_pack_path('logo.svg'), alt: '', role: 'presentation'
             Mastodon
 
         %ul.nav
@@ -38,9 +38,9 @@
 
       .container.hero
         .floats
-          = image_tag asset_pack_path('cloud2.png'), class: 'float-1'
-          = image_tag asset_pack_path('cloud3.png'), class: 'float-2'
-          = image_tag asset_pack_path('cloud4.png'), class: 'float-3'
+          = image_tag asset_pack_path('cloud2.png'), alt: '', role: 'presentation', class: 'float-1'
+          = image_tag asset_pack_path('cloud3.png'), alt: '', role: 'presentation', class: 'float-2'
+          = image_tag asset_pack_path('cloud4.png'), alt: '', role: 'presentation', class: 'float-3'
         .heading
           %h1
             = @instance_presenter.site_title
@@ -54,7 +54,7 @@
                 %p= t('about.closed_registrations')
               - else
                 = @instance_presenter.closed_registrations_message.html_safe
-            = link_to t('about.find_another_instance'), 'https://joinmastodon.org', class: 'button button-alternative button--block'
+            = link_to t('about.find_another_instance'), 'https://joinmastodon.org/', class: 'button button-alternative button--block'
 
   .learn-more-cta
     .container
@@ -69,7 +69,7 @@
       .about-mastodon
         %h3= t 'about.what_is_mastodon'
         %p= t 'about.about_mastodon_html'
-        %a.button.button-secondary{ href: 'https://joinmastodon.org' }= t 'about.learn_more'
+        %a.button.button-secondary{ href: 'https://joinmastodon.org/' }= t 'about.learn_more'
         = render 'features'
   .footer-links
     .container
diff --git a/app/views/admin/accounts/show.html.haml b/app/views/admin/accounts/show.html.haml
index d91ba9c78f..5ad1fd6ee3 100644
--- a/app/views/admin/accounts/show.html.haml
+++ b/app/views/admin/accounts/show.html.haml
@@ -53,11 +53,11 @@
       %td= @account.followers_count
     %tr
       %th= t('admin.accounts.statuses')
-      %td= @account.statuses_count
+      %td= link_to @account.statuses_count, admin_account_statuses_path(@account.id)
     %tr
       %th= t('admin.accounts.media_attachments')
       %td
-        = @account.media_attachments.count
+        = link_to @account.media_attachments.count, admin_account_statuses_path(@account.id, { media: true })
         = surround '(', ')' do
           = number_to_human_size @account.media_attachments.sum('file_file_size')
     %tr
diff --git a/app/views/admin/reports/show.html.haml b/app/views/admin/reports/show.html.haml
index 44486cb427..5747cc2740 100644
--- a/app/views/admin/reports/show.html.haml
+++ b/app/views/admin/reports/show.html.haml
@@ -1,3 +1,6 @@
+- content_for :header_tags do
+  = javascript_pack_tag 'admin', integrity: true, async: true, crossorigin: 'anonymous'
+
 - content_for :page_title do
   = t('admin.reports.report', id: @report.id)
 
@@ -19,16 +22,27 @@
 - unless @report.statuses.empty?
   %hr/
 
-  - @report.statuses.each do |status|
-    .report-status
-      .activity-stream.activity-stream-headless
-        .entry= render 'stream_entries/simple_status', status: status
-      .report-status__actions
-        - unless status.media_attachments.empty?
-          = link_to admin_report_reported_status_path(@report, status, status: { sensitive: !status.sensitive }), method: :patch, class: 'icon-button nsfw-button', title: t("admin.reports.nsfw.#{!status.sensitive}") do
-            = fa_icon status.sensitive? ? 'eye' : 'eye-slash'
-        = link_to admin_report_reported_status_path(@report, status), method: :delete, class: 'icon-button trash-button', title: t('admin.reports.delete'), data: { confirm: t('admin.reports.are_you_sure') } do
-          = fa_icon 'trash'
+  = form_for(@form, url: admin_report_reported_statuses_path(@report.id)) do |f|
+    .batch-form-box
+      .batch-checkbox-all
+        = check_box_tag :batch_checkbox_all, nil, false
+      = f.select :action, Form::StatusBatch::ACTION_TYPE.map{|action| [t("admin.statuses.batch.#{action}"), action]}
+      = f.submit t('admin.statuses.execute'), data: { confirm: t('admin.reports.are_you_sure') }, class: 'button'
+      .media-spoiler-toggle-buttons
+        .media-spoiler-show-button.button= t('admin.statuses.media.show')
+        .media-spoiler-hide-button.button= t('admin.statuses.media.hide')
+    - @report.statuses.each do |status|
+      .report-status{ data: { id: status.id } }
+        .batch-checkbox
+          = f.check_box :status_ids, { multiple: true, include_hidden: false }, status.id
+        .activity-stream.activity-stream-headless
+          .entry= render 'stream_entries/simple_status', status: status
+        .report-status__actions
+          - unless status.media_attachments.empty?
+            = link_to admin_report_reported_status_path(@report, status, status: { sensitive: !status.sensitive }), method: :put, class: 'icon-button nsfw-button', title: t("admin.reports.nsfw.#{!status.sensitive}") do
+              = fa_icon status.sensitive? ? 'eye' : 'eye-slash'
+          = link_to admin_report_reported_status_path(@report, status), method: :delete, class: 'icon-button trash-button', title: t('admin.reports.delete'), data: { confirm: t('admin.reports.are_you_sure') }, remote: true do
+            = fa_icon 'trash'
 
 %hr/
 
diff --git a/app/views/admin/statuses/index.html.haml b/app/views/admin/statuses/index.html.haml
new file mode 100644
index 0000000000..fe25815274
--- /dev/null
+++ b/app/views/admin/statuses/index.html.haml
@@ -0,0 +1,47 @@
+- content_for :header_tags do
+  = javascript_pack_tag 'admin', integrity: true, async: true, crossorigin: 'anonymous'
+
+- content_for :page_title do
+  = t('admin.statuses.title')
+
+.back-link
+  = link_to admin_account_path(@account.id) do
+    %i.fa.fa-chevron-left.fa-fw
+    = t('admin.statuses.back_to_account')
+
+.filters
+  .filter-subset
+    %strong= t('admin.statuses.media.title')
+    %ul
+      %li= link_to t('admin.statuses.no_media'), admin_account_statuses_path(@account.id, current_params.merge(media: nil)), class: !params[:media] && 'selected'
+      %li= link_to t('admin.statuses.with_media'), admin_account_statuses_path(@account.id, current_params.merge(media: true)), class: params[:media] && 'selected'
+
+- if @statuses.empty?
+  .accounts-grid
+    = render 'accounts/nothing_here'
+- else
+  = form_for(@form, url: admin_account_statuses_path(@account.id)) do |f|
+    = hidden_field_tag :page, params[:page]
+    = hidden_field_tag :media, params[:media]
+    .batch-form-box
+      .batch-checkbox-all
+        = check_box_tag :batch_checkbox_all, nil, false
+      = f.select :action, Form::StatusBatch::ACTION_TYPE.map{|action| [t("admin.statuses.batch.#{action}"), action]}
+      = f.submit t('admin.statuses.execute'), data: { confirm: t('admin.reports.are_you_sure') }, class: 'button'
+      .media-spoiler-toggle-buttons
+        .media-spoiler-show-button.button= t('admin.statuses.media.show')
+        .media-spoiler-hide-button.button= t('admin.statuses.media.hide')
+    - @statuses.each do |status|
+      .account-status{ data: { id: status.id } }
+        .batch-checkbox
+          = f.check_box :status_ids, { multiple: true, include_hidden: false }, status.id
+        .activity-stream.activity-stream-headless
+          .entry= render 'stream_entries/simple_status', status: status
+        .account-status__actions
+          - unless status.media_attachments.empty?
+            = link_to admin_account_status_path(@account.id, status, current_params.merge(status: { sensitive: !status.sensitive })), method: :patch, class: 'icon-button nsfw-button', title: t("admin.reports.nsfw.#{!status.sensitive}") do
+              = fa_icon status.sensitive? ? 'eye' : 'eye-slash'
+          = link_to admin_account_status_path(@account.id, status), method: :delete, class: 'icon-button trash-button', title: t('admin.reports.delete'), data: { confirm: t('admin.reports.are_you_sure') }, remote: true do
+            = fa_icon 'trash'
+
+= paginate @statuses
diff --git a/app/views/settings/preferences/show.html.haml b/app/views/settings/preferences/show.html.haml
index 3b5d90942a..fae6090c81 100644
--- a/app/views/settings/preferences/show.html.haml
+++ b/app/views/settings/preferences/show.html.haml
@@ -44,6 +44,7 @@
     = f.input :setting_noindex, as: :boolean, wrapper: :with_label
 
   .fields-group
+    = f.input :setting_unfollow_modal, as: :boolean, wrapper: :with_label
     = f.input :setting_boost_modal, as: :boolean, wrapper: :with_label
     = f.input :setting_delete_modal, as: :boolean, wrapper: :with_label
 
diff --git a/app/workers/pubsubhubbub/distribution_worker.rb b/app/workers/pubsubhubbub/distribution_worker.rb
index 7592354cc2..9c1fa76cb9 100644
--- a/app/workers/pubsubhubbub/distribution_worker.rb
+++ b/app/workers/pubsubhubbub/distribution_worker.rb
@@ -22,7 +22,7 @@ class Pubsubhubbub::DistributionWorker
   def distribute_public!(stream_entries)
     return if stream_entries.empty?
 
-    @payload = AtomSerializer.render(AtomSerializer.new.feed(@account, stream_entries))
+    @payload = Ostatus::AtomSerializer.render(Ostatus::AtomSerializer.new.feed(@account, stream_entries))
 
     Pubsubhubbub::DeliveryWorker.push_bulk(@subscriptions) do |subscription|
       [subscription.id, @payload]
@@ -32,7 +32,7 @@ class Pubsubhubbub::DistributionWorker
   def distribute_hidden!(stream_entries)
     return if stream_entries.empty?
 
-    @payload = AtomSerializer.render(AtomSerializer.new.feed(@account, stream_entries))
+    @payload = Ostatus::AtomSerializer.render(Ostatus::AtomSerializer.new.feed(@account, stream_entries))
     @domains = @account.followers.domains
 
     Pubsubhubbub::DeliveryWorker.push_bulk(@subscriptions.reject { |s| !allowed_to_receive?(s.callback_url, s.domain) }) do |subscription|
diff --git a/app/workers/web_push_notification_worker.rb b/app/workers/web_push_notification_worker.rb
index e8f1d72bd4..da4043ddbd 100644
--- a/app/workers/web_push_notification_worker.rb
+++ b/app/workers/web_push_notification_worker.rb
@@ -5,22 +5,18 @@ class WebPushNotificationWorker
 
   sidekiq_options backtrace: true
 
-  def perform(recipient_id, notification_id)
-    recipient = Account.find(recipient_id)
+  def perform(session_activation_id, notification_id)
+    session_activation = SessionActivation.find(session_activation_id)
     notification = Notification.find(notification_id)
 
-    sessions_with_subscriptions = recipient.user.session_activations.where.not(web_push_subscription: nil)
+    begin
+      session_activation.web_push_subscription.push(notification)
+    rescue Webpush::InvalidSubscription, Webpush::ExpiredSubscription => e
+      # Subscription expiration is not currently implemented in any browser
+      session_activation.web_push_subscription.destroy!
+      session_activation.update!(web_push_subscription: nil)
 
-    sessions_with_subscriptions.each do |session|
-      begin
-        session.web_push_subscription.push(notification)
-      rescue Webpush::InvalidSubscription, Webpush::ExpiredSubscription
-        # Subscription expiration is not currently implemented in any browser
-        session.web_push_subscription.destroy!
-        session.update!(web_push_subscription: nil)
-      rescue Webpush::PayloadTooLarge => e
-        Rails.logger.error(e)
-      end
+      raise e
     end
   end
 end
diff --git a/config/locales/en.yml b/config/locales/en.yml
index be1f15e25a..4cb536223e 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -185,6 +185,21 @@ en:
         desc_html: Display public timeline on landing page
         title: Timeline preview
       title: Site Settings
+    statuses:
+      back_to_account: Back to account page
+      batch:
+        delete: Delete
+        nsfw_off: NSFW OFF
+        nsfw_on: NSFW ON
+      execute: Execute
+      failed_to_execute: Failed to execute
+      media:
+        hide: Hide media
+        show: Show media
+        title: Media
+      no_media: No media
+      with_media: With media
+      title: Account statuses
     subscriptions:
       callback_url: Callback URL
       confirmed: Confirmed
diff --git a/config/locales/ja.yml b/config/locales/ja.yml
index fda87526de..fc5a98d093 100644
--- a/config/locales/ja.yml
+++ b/config/locales/ja.yml
@@ -1,15 +1,28 @@
 ---
 ja:
   about:
-    about_mastodon: Mastodon は<em>自由でオープンソース</em>なソーシャルネットワークです。商用プラットフォームの代替となる<em>分散型</em>を採用し、あなたのやりとりが一つの会社によって独占されるのを防ぎます。信頼できるインスタンスを選択してください &mdash; どのインスタンスを選んでも、誰とでもやりとりすることができます。 だれでも自分の Mastodon インスタンスを作ることができ、シームレスに<em>ソーシャルネットワーク</em>に参加できます。
+    about_mastodon_html: Mastodon は、オープンなウェブプロトコルを採用した、自由でオープンソースなソーシャルネットワークです。電子メールのような分散型の仕組みを採っています。
     about_this: このインスタンスについて
     business_email: 'ビジネスメールアドレス:'
-    closed_registrations: 現在このインスタンスでの新規登録は受け付けていません。
+    closed_registrations: 現在このインスタンスでの新規登録は受け付けていません。しかし、他のインスタンスにアカウントを作成しても全く同じネットワークに参加することができます。
     contact: 連絡先
     description_headline: "%{domain} とは？"
     domain_count_after: 個のインスタンス
     domain_count_before: 接続中
+    features:
+      humane_approach_body: 他の SNS の失敗から学び、Mastodon はソーシャルメディアが誤った使い方をされることの無いように倫理的な設計を目指しています。
+      humane_approach_title: より思いやりのある設計
+      not_a_product_body: Mastodon は営利的な SNS ではありません。広告や、データの収集・解析は無く、またユーザーの囲い込みもありません。
+      not_a_product_title: あなたは人間であり、商品ではありません
+      real_conversation_body: 好きなように書ける500文字までの投稿や、文章やメディアの内容に警告をつけられる機能で、思い通りに自分自身を表現することができます。
+      real_conversation_title: 本当のコミュニケーションのために
+      within_reach_body: デベロッパーフレンドリーな API により実現された、iOS や Android、その他様々なプラットフォームのためのアプリでどこでも友人とやりとりできます。
+      within_reach_title: いつでも身近に
+    find_another_instance: 他のインスタンスを探す
+    generic_description: "%{domain} は、Mastodon インスタンスの一つです。"
     get_started: 参加する
+    hosted_on: Mastodon hosted on %{domain}
+    learn_more: もっと詳しく
     links: リンク
     other_instances: 他のインスタンス
     source_code: ソースコード
@@ -19,6 +32,7 @@ ja:
     user_count_after: 人
     user_count_before: ユーザー数
     version: バージョン
+    what_is_mastodon: Mastodon とは？
   accounts:
     follow: フォロー
     followers: フォロワー
@@ -171,6 +185,21 @@ ja:
         desc_html: ランディングページに公開タイムラインを表示します
         title: タイムラインプレビュー
       title: サイト設定
+    statuses:
+      back_to_account: アカウントページに戻る
+      batch:
+        delete: 削除
+        nsfw_off: NSFW オフ
+        nsfw_on: NSFW オン
+      execute: 実行
+      failed_to_execute: 実行に失敗しました
+      media:
+        hide: メディアを隠す
+        show: メディアを表示
+        title: メディア
+      no_media: メディアなし
+      with_media: メディアあり
+      title: トゥート一覧
     subscriptions:
       callback_url: コールバックURL
       confirmed: 確認済み
@@ -190,9 +219,10 @@ ja:
   applications:
     invalid_url: URLが無効です
   auth:
+    agreement_html: 登録すると <a href="%{rules_path}">利用規約</a> と <a href="%{terms_path}">プライバシーポリシー</a> に同意したことになります。
     change_password: セキュリティ
     delete_account: アカウントの削除
-    delete_account_html: アカウントを削除したい場合、<a href="%{path}">こちら</a>から手続きが行えます。削除前には確認画面があります。
+    delete_account_html: アカウントを削除したい場合、<a href="%{path}">こちら</a> から手続きが行えます。削除する前に、確認画面があります。
     didnt_get_confirmation: 確認メールを受信できませんか？
     forgot_password: パスワードをお忘れですか？
     login: ログイン
diff --git a/config/locales/simple_form.en.yml b/config/locales/simple_form.en.yml
index 476ccc7731..536bb06e10 100644
--- a/config/locales/simple_form.en.yml
+++ b/config/locales/simple_form.en.yml
@@ -42,6 +42,7 @@ en:
         setting_default_sensitive: Always mark media as sensitive
         setting_delete_modal: Show confirmation dialog before deleting a toot
         setting_system_font_ui: Use system's default font
+        setting_unfollow_modal: Show confirmation dialog before unfollowing someone
         setting_noindex: Opt-out of search engine indexing
         severity: Severity
         type: Import type
diff --git a/config/locales/simple_form.ja.yml b/config/locales/simple_form.ja.yml
index 74cf91de46..58975e4265 100644
--- a/config/locales/simple_form.ja.yml
+++ b/config/locales/simple_form.ja.yml
@@ -8,6 +8,8 @@ ja:
         header: 2MBまでのPNGやGIF、JPGが利用可能です。 700x335pxまで縮小されます。
         locked: フォロワーを手動で承認する必要があります。
         note: あと<span class="note-counter">%{count}</span>文字入力できます。
+        setting_noindex: 公開プロフィールおよび各投稿ページに影響します
+
       imports:
         data: 他の Mastodon インスタンスからエクスポートしたCSVファイルを選択して下さい
       sessions:
@@ -37,6 +39,7 @@ ja:
         setting_default_sensitive: メディアを常に閲覧注意としてマークする
         setting_delete_modal: トゥートを削除する前に確認ダイアログを表示する
         setting_system_font_ui: システムのデフォルトフォントを使う
+        setting_noindex: 検索エンジンによるインデックスを拒否する
         severity: 重大性
         type: インポートする項目
         username: ユーザー名
diff --git a/config/routes.rb b/config/routes.rb
index 33077986c4..4a4697cbb8 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -89,7 +89,7 @@ Rails.application.routes.draw do
     resources :instances, only: [:index]
 
     resources :reports, only: [:index, :show, :update] do
-      resources :reported_statuses, only: [:update, :destroy]
+      resources :reported_statuses, only: [:create, :update, :destroy]
     end
 
     resources :accounts, only: [:index, :show] do
@@ -103,6 +103,7 @@ Rails.application.routes.draw do
       resource :silence, only: [:create, :destroy]
       resource :suspension, only: [:create, :destroy]
       resource :confirmation, only: [:create]
+      resources :statuses, only: [:index, :create, :update, :destroy]
     end
 
     resources :users, only: [] do
diff --git a/package.json b/package.json
index aede6df2e9..c90e49db5c 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,7 @@
     "es6-symbol": "^3.1.1",
     "escape-html": "^1.0.3",
     "express": "^4.15.2",
-    "extract-text-webpack-plugin": "^3.0.0",
+    "extract-text-webpack-plugin": "^2.1.2",
     "file-loader": "^0.11.2",
     "font-awesome": "^4.7.0",
     "glob": "^7.1.1",
@@ -112,7 +112,7 @@
     "tiny-queue": "^0.2.1",
     "uuid": "^3.1.0",
     "uws": "^8.14.0",
-    "webpack": "^3.2.0",
+    "webpack": "^3.0.0",
     "webpack-bundle-analyzer": "^2.8.2",
     "webpack-manifest-plugin": "^1.1.2",
     "webpack-merge": "^4.1.0",
diff --git a/spec/controllers/admin/reported_statuses_controller_spec.rb b/spec/controllers/admin/reported_statuses_controller_spec.rb
index 80c69e8d1b..297807d411 100644
--- a/spec/controllers/admin/reported_statuses_controller_spec.rb
+++ b/spec/controllers/admin/reported_statuses_controller_spec.rb
@@ -11,6 +11,42 @@ describe Admin::ReportedStatusesController do
     sign_in user, scope: :user
   end
 
+  describe 'POST #create' do
+    subject do
+      -> { post :create, params: { report_id: report, form_status_batch: { action: action, status_ids: status_ids } } }
+    end
+
+    let(:action) { 'nsfw_on' }
+    let(:status_ids) { [status.id] }
+    let(:status) { Fabricate(:status, sensitive: !sensitive) }
+    let(:sensitive) { true }
+    let!(:media_attachment) { Fabricate(:media_attachment, status: status) }
+
+    context 'updates sensitive column to true' do
+      it 'updates sensitive column' do
+        is_expected.to change {
+          status.reload.sensitive
+        }.from(false).to(true)
+      end
+    end
+
+    context 'updates sensitive column to false' do
+      let(:action) { 'nsfw_off' }
+      let(:sensitive) { false }
+
+      it 'updates sensitive column' do
+        is_expected.to change {
+          status.reload.sensitive
+        }.from(true).to(false)
+      end
+    end
+
+    it 'redirects to report page' do
+      subject.call
+      expect(response).to redirect_to(admin_report_path(report))
+    end
+  end
+
   describe 'PATCH #update' do
     subject do
       -> { patch :update, params: { report_id: report, id: status, status: { sensitive: sensitive } } }
@@ -48,7 +84,7 @@ describe Admin::ReportedStatusesController do
       allow(RemovalWorker).to receive(:perform_async)
 
       delete :destroy, params: { report_id: report, id: status }
-      expect(response).to redirect_to(admin_report_path(report))
+      expect(response).to have_http_status(:success)
       expect(RemovalWorker).
         to have_received(:perform_async).with(status.id)
     end
diff --git a/spec/controllers/admin/statuses_controller_spec.rb b/spec/controllers/admin/statuses_controller_spec.rb
new file mode 100644
index 0000000000..1515e299b8
--- /dev/null
+++ b/spec/controllers/admin/statuses_controller_spec.rb
@@ -0,0 +1,107 @@
+require 'rails_helper'
+
+describe Admin::StatusesController do
+  render_views
+
+  let(:user) { Fabricate(:user, admin: true) }
+  let(:account) { Fabricate(:account) }
+  let!(:status) { Fabricate(:status, account: account) }
+  let(:media_attached_status) { Fabricate(:status, account: account, sensitive: !sensitive) }
+  let!(:media_attachment) { Fabricate(:media_attachment, account: account, status: media_attached_status) }
+  let(:sensitive) { true }
+
+  before do
+    sign_in user, scope: :user
+  end
+
+  describe 'GET #index' do
+    it 'returns http success with no media' do
+      get :index, params: { account_id: account.id }
+
+      statuses = assigns(:statuses).to_a
+      expect(statuses.size).to eq 2
+      expect(response).to have_http_status(:success)
+    end
+
+    it 'returns http success with media' do
+      get :index, params: { account_id: account.id , media: true }
+
+      statuses = assigns(:statuses).to_a
+      expect(statuses.size).to eq 1
+      expect(response).to have_http_status(:success)
+    end
+  end
+
+  describe 'POST #create' do
+    subject do
+      -> { post :create, params: { account_id: account.id, form_status_batch: { action: action, status_ids: status_ids } } }
+    end
+
+    let(:action) { 'nsfw_on' }
+    let(:status_ids) { [media_attached_status.id] }
+
+    context 'updates sensitive column to true' do
+      it 'updates sensitive column' do
+        is_expected.to change {
+          media_attached_status.reload.sensitive
+        }.from(false).to(true)
+      end
+    end
+
+    context 'updates sensitive column to false' do
+      let(:action) { 'nsfw_off' }
+      let(:sensitive) { false }
+
+      it 'updates sensitive column' do
+        is_expected.to change {
+          media_attached_status.reload.sensitive
+        }.from(true).to(false)
+      end
+    end
+
+    it 'redirects to account statuses page' do
+      subject.call
+      expect(response).to redirect_to(admin_account_statuses_path(account.id))
+    end
+  end
+
+  describe 'PATCH #update' do
+    subject do
+      -> { patch :update, params: { account_id: account.id, id: media_attached_status, status: { sensitive: sensitive } } }
+    end
+
+    context 'updates sensitive column to true' do
+      it 'updates sensitive column' do
+        is_expected.to change {
+          media_attached_status.reload.sensitive
+        }.from(false).to(true)
+      end
+    end
+
+    context 'updates sensitive column to false' do
+      let(:sensitive) { false }
+
+      it 'updates sensitive column' do
+        is_expected.to change {
+          media_attached_status.reload.sensitive
+        }.from(true).to(false)
+      end
+    end
+
+    it 'redirects to account statuses page' do
+      subject.call
+      expect(response).to redirect_to(admin_account_statuses_path(account.id))
+    end
+  end
+
+  describe 'DELETE #destroy' do
+    it 'removes a status' do
+      allow(RemovalWorker).to receive(:perform_async)
+
+      delete :destroy, params: { account_id: account.id, id: status }
+      expect(response).to have_http_status(:success)
+      expect(RemovalWorker).
+        to have_received(:perform_async).with(status.id)
+    end
+  end
+end
diff --git a/spec/lib/atom_serializer_spec.rb b/spec/lib/ostatus/atom_serializer_spec.rb
similarity index 80%
rename from spec/lib/atom_serializer_spec.rb
rename to spec/lib/ostatus/atom_serializer_spec.rb
index d14fc5b40f..8caef93554 100644
--- a/spec/lib/atom_serializer_spec.rb
+++ b/spec/lib/ostatus/atom_serializer_spec.rb
@@ -1,6 +1,6 @@
 require 'rails_helper'
 
-RSpec.describe AtomSerializer do
+RSpec.describe Ostatus::AtomSerializer do
   shared_examples 'follow request salmon' do
     it 'appends author element with account' do
       account = Fabricate(:account, domain: nil, username: 'username')
@@ -108,7 +108,7 @@ RSpec.describe AtomSerializer do
     it 'returns XML with emojis' do
       element = Ox::Element.new('tag')
       element << '💩'
-      xml = AtomSerializer.render(element)
+      xml = Ostatus::AtomSerializer.render(element)
 
       expect(xml).to eq "<?xml version=\"1.0\"?>\n<tag>💩</tag>\n"
     end
@@ -116,7 +116,7 @@ RSpec.describe AtomSerializer do
     it 'returns XML, stripping invalid characters like \b and \v' do
       element = Ox::Element.new('tag')
       element << "im l33t\b haxo\b\vr"
-      xml = AtomSerializer.render(element)
+      xml = Ostatus::AtomSerializer.render(element)
 
       expect(xml).to eq "<?xml version=\"1.0\"?>\n<tag>im l33t haxor</tag>\n"
     end
@@ -127,7 +127,7 @@ RSpec.describe AtomSerializer do
       it 'appends poco:note element with note for local account' do
         account = Fabricate(:account, domain: nil, note: '<p>note</p>')
 
-        author = AtomSerializer.new.author(account)
+        author = Ostatus::AtomSerializer.new.author(account)
 
         note = author.nodes.find { |node| node.name == 'poco:note' }
         expect(note.text).to eq '<p>note</p>'
@@ -136,7 +136,7 @@ RSpec.describe AtomSerializer do
       it 'appends poco:note element with tags-stripped note for remote account' do
         account = Fabricate(:account, domain: 'remote', note: '<p>note</p>')
 
-        author = AtomSerializer.new.author(account)
+        author = Ostatus::AtomSerializer.new.author(account)
 
         note = author.nodes.find { |node| node.name == 'poco:note' }
         expect(note.text).to eq 'note'
@@ -144,7 +144,7 @@ RSpec.describe AtomSerializer do
 
       it 'appends summary element with type attribute and simplified note if present' do
         account = Fabricate(:account, note: 'note')
-        author = AtomSerializer.new.author(account)
+        author = Ostatus::AtomSerializer.new.author(account)
         expect(author.summary.text).to eq '<p>note</p>'
         expect(author.summary[:type]).to eq 'html'
       end
@@ -153,27 +153,27 @@ RSpec.describe AtomSerializer do
     context 'when note is not present' do
       it 'does not append poco:note element' do
         account = Fabricate(:account, note: '')
-        author = AtomSerializer.new.author(account)
+        author = Ostatus::AtomSerializer.new.author(account)
         author.nodes.each { |node| expect(node.name).not_to eq 'poco:note' }
       end
 
       it 'does not append summary element' do
         account = Fabricate(:account, note: '')
-        author = AtomSerializer.new.author(account)
+        author = Ostatus::AtomSerializer.new.author(account)
         author.nodes.each { |node| expect(node.name).not_to eq 'summary' }
       end
     end
 
     it 'returns author element' do
       account = Fabricate(:account)
-      author = AtomSerializer.new.author(account)
+      author = Ostatus::AtomSerializer.new.author(account)
       expect(author.name).to eq 'author'
     end
 
     it 'appends activity:object-type element with person type' do
       account = Fabricate(:account, domain: nil, username: 'username')
 
-      author = AtomSerializer.new.author(account)
+      author = Ostatus::AtomSerializer.new.author(account)
 
       object_type = author.nodes.find { |node| node.name == 'activity:object-type' }
       expect(object_type.text).to eq TagManager::TYPES[:person]
@@ -181,20 +181,20 @@ RSpec.describe AtomSerializer do
 
     it 'appends email element with username and domain for local account' do
       account = Fabricate(:account, username: 'username')
-      author = AtomSerializer.new.author(account)
+      author = Ostatus::AtomSerializer.new.author(account)
       expect(author.email.text).to eq 'username@cb6e6126.ngrok.io'
     end
 
     it 'appends email element with username and domain for remote user' do
       account = Fabricate(:account, domain: 'domain', username: 'username')
-      author = AtomSerializer.new.author(account)
+      author = Ostatus::AtomSerializer.new.author(account)
       expect(author.email.text).to eq 'username@domain'
     end
 
     it 'appends link element for an alternative' do
       account = Fabricate(:account, domain: nil, username: 'username')
 
-      author = AtomSerializer.new.author(account)
+      author = Ostatus::AtomSerializer.new.author(account)
 
       link = author.nodes.find { |node| node.name == 'link' && node[:rel] == 'alternate' }
       expect(link[:type]).to eq 'text/html'
@@ -205,7 +205,7 @@ RSpec.describe AtomSerializer do
     it 'has link element for avatar if present' do
       account = Fabricate(:account, avatar: attachment_fixture('avatar.gif'))
 
-      author = AtomSerializer.new.author(account)
+      author = Ostatus::AtomSerializer.new.author(account)
 
       link = author.nodes.find { |node| node.name == 'link' && node[:rel] == 'avatar' }
       expect(link[:type]).to eq 'image/gif'
@@ -217,7 +217,7 @@ RSpec.describe AtomSerializer do
     it 'does not have link element for avatar if not present' do
       account = Fabricate(:account, avatar: nil)
 
-      author = AtomSerializer.new.author(account)
+      author = Ostatus::AtomSerializer.new.author(account)
 
       author.nodes.each do |node|
         expect(node[:rel]).not_to eq 'avatar' if node.name == 'link'
@@ -227,7 +227,7 @@ RSpec.describe AtomSerializer do
     it 'appends link element for header if present' do
       account = Fabricate(:account, header: attachment_fixture('avatar.gif'))
 
-      author = AtomSerializer.new.author(account)
+      author = Ostatus::AtomSerializer.new.author(account)
 
       link = author.nodes.find { |node| node.name == 'link' && node[:rel] == 'header' }
       expect(link[:type]).to eq 'image/gif'
@@ -239,7 +239,7 @@ RSpec.describe AtomSerializer do
     it 'does not append link element for header if not present' do
       account = Fabricate(:account, header: nil)
 
-      author = AtomSerializer.new.author(account)
+      author = Ostatus::AtomSerializer.new.author(account)
 
       author.nodes.each do |node|
         expect(node[:rel]).not_to eq 'header' if node.name == 'link'
@@ -249,7 +249,7 @@ RSpec.describe AtomSerializer do
     it 'appends poco:displayName element with display name if present' do
       account = Fabricate(:account, display_name: 'display name')
 
-      author = AtomSerializer.new.author(account)
+      author = Ostatus::AtomSerializer.new.author(account)
 
       display_name = author.nodes.find { |node| node.name == 'poco:displayName' }
       expect(display_name.text).to eq 'display name'
@@ -257,14 +257,14 @@ RSpec.describe AtomSerializer do
 
     it 'does not append poco:displayName element with display name if not present' do
       account = Fabricate(:account, display_name: '')
-      author = AtomSerializer.new.author(account)
+      author = Ostatus::AtomSerializer.new.author(account)
       author.nodes.each { |node| expect(node.name).not_to eq 'poco:displayName' }
     end
 
     it "appends mastodon:scope element with 'private' if locked" do
       account = Fabricate(:account, locked: true)
 
-      author = AtomSerializer.new.author(account)
+      author = Ostatus::AtomSerializer.new.author(account)
 
       scope = author.nodes.find { |node| node.name == 'mastodon:scope' }
       expect(scope.text).to eq 'private'
@@ -273,7 +273,7 @@ RSpec.describe AtomSerializer do
     it "appends mastodon:scope element with 'public' if unlocked" do
       account = Fabricate(:account, locked: false)
 
-      author = AtomSerializer.new.author(account)
+      author = Ostatus::AtomSerializer.new.author(account)
 
       scope = author.nodes.find { |node| node.name == 'mastodon:scope' }
       expect(scope.text).to eq 'public'
@@ -282,7 +282,7 @@ RSpec.describe AtomSerializer do
     it 'includes URI' do
       account = Fabricate(:account, domain: nil, username: 'username')
 
-      author = AtomSerializer.new.author(account)
+      author = Ostatus::AtomSerializer.new.author(account)
 
       expect(author.id.text).to eq 'https://cb6e6126.ngrok.io/users/username'
       expect(author.uri.text).to eq 'https://cb6e6126.ngrok.io/users/username'
@@ -291,7 +291,7 @@ RSpec.describe AtomSerializer do
     it 'includes username' do
       account = Fabricate(:account, username: 'username')
 
-      author = AtomSerializer.new.author(account)
+      author = Ostatus::AtomSerializer.new.author(account)
 
       name = author.nodes.find { |node| node.name == 'name' }
       username = author.nodes.find { |node| node.name == 'poco:preferredUsername' }
@@ -317,7 +317,7 @@ RSpec.describe AtomSerializer do
       include_examples 'namespaces' do
         def serialize
           stream_entry = Fabricate(:stream_entry)
-          AtomSerializer.new.entry(stream_entry, true)
+          Ostatus::AtomSerializer.new.entry(stream_entry, true)
         end
       end
 
@@ -325,7 +325,7 @@ RSpec.describe AtomSerializer do
         account = Fabricate(:account, username: 'username')
         status = Fabricate(:status, account: account)
 
-        entry = AtomSerializer.new.entry(status.stream_entry, true)
+        entry = Ostatus::AtomSerializer.new.entry(status.stream_entry, true)
 
         expect(entry.author.id.text).to eq 'https://cb6e6126.ngrok.io/users/username'
       end
@@ -334,14 +334,14 @@ RSpec.describe AtomSerializer do
     context 'if status is present' do
       include_examples 'status attributes' do
         def serialize(status)
-          AtomSerializer.new.entry(status.stream_entry, true)
+          Ostatus::AtomSerializer.new.entry(status.stream_entry, true)
         end
       end
 
       it 'appends link element for the public collection if status is publicly visible' do
         status = Fabricate(:status, visibility: :public)
 
-        entry = AtomSerializer.new.entry(status.stream_entry)
+        entry = Ostatus::AtomSerializer.new.entry(status.stream_entry)
 
         mentioned_person = entry.nodes.find do |node|
           node.name == 'link' &&
@@ -354,7 +354,7 @@ RSpec.describe AtomSerializer do
       it 'does not append link element for the public collection if status is not publicly visible' do
         status = Fabricate(:status, visibility: :private)
 
-        entry = AtomSerializer.new.entry(status.stream_entry)
+        entry = Ostatus::AtomSerializer.new.entry(status.stream_entry)
 
         entry.nodes.each do |node|
           if node.name == 'link' &&
@@ -369,14 +369,14 @@ RSpec.describe AtomSerializer do
         tag = Fabricate(:tag, name: 'tag')
         status = Fabricate(:status, tags: [ tag ])
 
-        entry = AtomSerializer.new.entry(status.stream_entry)
+        entry = Ostatus::AtomSerializer.new.entry(status.stream_entry)
 
         expect(entry.category[:term]).to eq 'tag'
       end
 
       it 'appends category element for NSFW if status is sensitive' do
         status = Fabricate(:status, sensitive: true)
-        entry = AtomSerializer.new.entry(status.stream_entry)
+        entry = Ostatus::AtomSerializer.new.entry(status.stream_entry)
         expect(entry.category[:term]).to eq 'nsfw'
       end
 
@@ -385,7 +385,7 @@ RSpec.describe AtomSerializer do
         media_attachment = Fabricate(:media_attachment, file: file)
         status = Fabricate(:status, media_attachments: [ media_attachment ])
 
-        entry = AtomSerializer.new.entry(status.stream_entry)
+        entry = Ostatus::AtomSerializer.new.entry(status.stream_entry)
 
         enclosure = entry.nodes.find { |node| node.name == 'link' && node[:rel] == 'enclosure' }
         expect(enclosure[:type]).to eq 'image/jpeg'
@@ -395,7 +395,7 @@ RSpec.describe AtomSerializer do
       it 'appends mastodon:scope element with visibility' do
         status = Fabricate(:status, visibility: :public)
 
-        entry = AtomSerializer.new.entry(status.stream_entry)
+        entry = Ostatus::AtomSerializer.new.entry(status.stream_entry)
 
         scope = entry.nodes.find { |node| node.name == 'mastodon:scope' }
         expect(scope.text).to eq 'public'
@@ -406,8 +406,8 @@ RSpec.describe AtomSerializer do
         remote_status = Fabricate(:status, account: remote_account)
         remote_status.stream_entry.update!(created_at: '2000-01-01T00:00:00Z')
 
-        entry = AtomSerializer.new.entry(remote_status.stream_entry, true)
-        xml = AtomSerializer.render(entry).gsub('cb6e6126.ngrok.io', 'remote')
+        entry = Ostatus::AtomSerializer.new.entry(remote_status.stream_entry, true)
+        xml = Ostatus::AtomSerializer.render(entry).gsub('cb6e6126.ngrok.io', 'remote')
 
         remote_status.destroy!
         remote_account.destroy!
@@ -429,7 +429,7 @@ RSpec.describe AtomSerializer do
         status = Fabricate(:status)
         status.destroy!
 
-        entry = AtomSerializer.new.entry(status.stream_entry)
+        entry = Ostatus::AtomSerializer.new.entry(status.stream_entry)
 
         expect(entry.content.text).to eq 'Deleted status'
       end
@@ -439,7 +439,7 @@ RSpec.describe AtomSerializer do
         status = Fabricate(:status, account: account)
         status.destroy!
 
-        entry = AtomSerializer.new.entry(status.stream_entry)
+        entry = Ostatus::AtomSerializer.new.entry(status.stream_entry)
 
         expect(entry.title.text).to eq 'username deleted status'
       end
@@ -447,19 +447,19 @@ RSpec.describe AtomSerializer do
 
     context 'it is not root' do
       let(:stream_entry) { Fabricate(:stream_entry) }
-      subject { AtomSerializer.new.entry(stream_entry, false) }
+      subject { Ostatus::AtomSerializer.new.entry(stream_entry, false) }
       include_examples 'not root'
     end
 
     context 'without root parameter' do
       let(:stream_entry) { Fabricate(:stream_entry) }
-      subject { AtomSerializer.new.entry(stream_entry) }
+      subject { Ostatus::AtomSerializer.new.entry(stream_entry) }
       include_examples 'not root'
     end
 
     it 'returns entry element' do
       stream_entry = Fabricate(:stream_entry)
-      entry = AtomSerializer.new.entry(stream_entry)
+      entry = Ostatus::AtomSerializer.new.entry(stream_entry)
       expect(entry.name).to eq 'entry'
     end
 
@@ -467,33 +467,33 @@ RSpec.describe AtomSerializer do
       status = Fabricate(:status, reblog_of_id: nil)
       status.stream_entry.update!(created_at: '2000-01-01T00:00:00Z')
 
-      entry = AtomSerializer.new.entry(status.stream_entry)
+      entry = Ostatus::AtomSerializer.new.entry(status.stream_entry)
 
       expect(entry.id.text).to eq "tag:cb6e6126.ngrok.io,2000-01-01:objectId=#{status.id}:objectType=Status"
     end
 
     it 'appends published element with created date' do
       stream_entry = Fabricate(:stream_entry, created_at: '2000-01-01T00:00:00Z')
-      entry = AtomSerializer.new.entry(stream_entry)
+      entry = Ostatus::AtomSerializer.new.entry(stream_entry)
       expect(entry.published.text).to eq '2000-01-01T00:00:00Z'
     end
 
     it 'appends updated element with updated date' do
       stream_entry = Fabricate(:stream_entry, updated_at: '2000-01-01T00:00:00Z')
-      entry = AtomSerializer.new.entry(stream_entry)
+      entry = Ostatus::AtomSerializer.new.entry(stream_entry)
       expect(entry.updated.text).to eq '2000-01-01T00:00:00Z'
     end
 
     it 'appends title element with status title' do
       account = Fabricate(:account, username: 'username')
       status = Fabricate(:status, account: account, reblog_of_id: nil)
-      entry = AtomSerializer.new.entry(status.stream_entry)
+      entry = Ostatus::AtomSerializer.new.entry(status.stream_entry)
       expect(entry.title.text).to eq 'New status by username'
     end
 
     it 'appends activity:object-type element with object type' do
       status = Fabricate(:status)
-      entry = AtomSerializer.new.entry(status.stream_entry)
+      entry = Ostatus::AtomSerializer.new.entry(status.stream_entry)
       object_type = entry.nodes.find { |node| node.name == 'activity:object-type' }
       expect(object_type.text).to eq TagManager::TYPES[:note]
     end
@@ -501,7 +501,7 @@ RSpec.describe AtomSerializer do
     it 'appends activity:verb element with object type' do
       status = Fabricate(:status)
 
-      entry = AtomSerializer.new.entry(status.stream_entry)
+      entry = Ostatus::AtomSerializer.new.entry(status.stream_entry)
 
       object_type = entry.nodes.find { |node| node.name == 'activity:verb' }
       expect(object_type.text).to eq TagManager::VERBS[:post]
@@ -511,7 +511,7 @@ RSpec.describe AtomSerializer do
       reblogged = Fabricate(:status, created_at: '2000-01-01T00:00:00Z')
       reblog = Fabricate(:status, reblog: reblogged)
 
-      entry = AtomSerializer.new.entry(reblog.stream_entry)
+      entry = Ostatus::AtomSerializer.new.entry(reblog.stream_entry)
 
       object = entry.nodes.find { |node| node.name == 'activity:object' }
       expect(object.id.text).to eq "tag:cb6e6126.ngrok.io,2000-01-01:objectId=#{reblogged.id}:objectType=Status"
@@ -519,7 +519,7 @@ RSpec.describe AtomSerializer do
 
     it 'does not append activity:object element if target is not present' do
       status = Fabricate(:status, reblog_of_id: nil)
-      entry = AtomSerializer.new.entry(status.stream_entry)
+      entry = Ostatus::AtomSerializer.new.entry(status.stream_entry)
       entry.nodes.each { |node| expect(node.name).not_to eq 'activity:object' }
     end
 
@@ -527,7 +527,7 @@ RSpec.describe AtomSerializer do
       account = Fabricate(:account, username: 'username')
       status = Fabricate(:status, account: account)
 
-      entry = AtomSerializer.new.entry(status.stream_entry)
+      entry = Ostatus::AtomSerializer.new.entry(status.stream_entry)
 
       link = entry.nodes.find { |node| node.name == 'link' && node[:rel] == 'alternate' }
       expect(link[:type]).to eq 'text/html'
@@ -538,7 +538,7 @@ RSpec.describe AtomSerializer do
       account = Fabricate(:account, username: 'username')
       status = Fabricate(:status, account: account)
 
-      entry = AtomSerializer.new.entry(status.stream_entry)
+      entry = Ostatus::AtomSerializer.new.entry(status.stream_entry)
 
       link = entry.nodes.find { |node| node.name == 'link' && node[:rel] == 'self' }
       expect(link[:type]).to eq 'application/atom+xml'
@@ -549,7 +549,7 @@ RSpec.describe AtomSerializer do
       in_reply_to_status = Fabricate(:status, created_at: '2000-01-01T00:00:00Z', reblog_of_id: nil)
       reply_status = Fabricate(:status, in_reply_to_id: in_reply_to_status.id)
 
-      entry = AtomSerializer.new.entry(reply_status.stream_entry)
+      entry = Ostatus::AtomSerializer.new.entry(reply_status.stream_entry)
 
       in_reply_to = entry.nodes.find { |node| node.name == 'thr:in-reply-to' }
       expect(in_reply_to[:ref]).to eq "tag:cb6e6126.ngrok.io,2000-01-01:objectId=#{in_reply_to_status.id}:objectType=Status"
@@ -557,7 +557,7 @@ RSpec.describe AtomSerializer do
 
     it 'does not append thr:in-reply-to element if not threaded' do
       status = Fabricate(:status)
-      entry = AtomSerializer.new.entry(status.stream_entry)
+      entry = Ostatus::AtomSerializer.new.entry(status.stream_entry)
       entry.nodes.each { |node| expect(node.name).not_to eq 'thr:in-reply-to' }
     end
 
@@ -565,7 +565,7 @@ RSpec.describe AtomSerializer do
       status = Fabricate(:status)
       status.conversation.update!(created_at: '2000-01-01T00:00:00Z')
 
-      entry = AtomSerializer.new.entry(status.stream_entry)
+      entry = Ostatus::AtomSerializer.new.entry(status.stream_entry)
 
       conversation = entry.nodes.find { |node| node.name == 'ostatus:conversation' }
       expect(conversation[:ref]).to eq "tag:cb6e6126.ngrok.io,2000-01-01:objectId=#{status.conversation_id}:objectType=Conversation"
@@ -575,7 +575,7 @@ RSpec.describe AtomSerializer do
       status = Fabricate.build(:status, conversation_id: nil)
       status.save!(validate: false)
 
-      entry = AtomSerializer.new.entry(status.stream_entry)
+      entry = Ostatus::AtomSerializer.new.entry(status.stream_entry)
 
       entry.nodes.each { |node| expect(node.name).not_to eq 'ostatus:conversation' }
     end
@@ -585,62 +585,62 @@ RSpec.describe AtomSerializer do
     include_examples 'namespaces' do
       def serialize
         account = Fabricate(:account)
-        AtomSerializer.new.feed(account, [])
+        Ostatus::AtomSerializer.new.feed(account, [])
       end
     end
 
     it 'returns feed element' do
       account = Fabricate(:account)
-      feed = AtomSerializer.new.feed(account, [])
+      feed = Ostatus::AtomSerializer.new.feed(account, [])
       expect(feed.name).to eq 'feed'
     end
 
     it 'appends id element with account Atom URL' do
       account = Fabricate(:account, username: 'username')
-      feed = AtomSerializer.new.feed(account, [])
+      feed = Ostatus::AtomSerializer.new.feed(account, [])
       expect(feed.id.text).to eq 'https://cb6e6126.ngrok.io/users/username.atom'
     end
 
     it 'appends title element with account display name if present' do
       account = Fabricate(:account, display_name: 'display name')
-      feed = AtomSerializer.new.feed(account, [])
+      feed = Ostatus::AtomSerializer.new.feed(account, [])
       expect(feed.title.text).to eq 'display name'
     end
 
     it 'does not append title element with account username if account display name is not present' do
       account = Fabricate(:account, display_name: '', username: 'username')
-      feed = AtomSerializer.new.feed(account, [])
+      feed = Ostatus::AtomSerializer.new.feed(account, [])
       expect(feed.title.text).to eq 'username'
     end
 
     it 'appends subtitle element with account note' do
       account = Fabricate(:account, note: 'note')
-      feed = AtomSerializer.new.feed(account, [])
+      feed = Ostatus::AtomSerializer.new.feed(account, [])
       expect(feed.subtitle.text).to eq 'note'
     end
 
     it 'appends updated element with date account got updated' do
       account = Fabricate(:account, updated_at: '2000-01-01T00:00:00Z')
-      feed = AtomSerializer.new.feed(account, [])
+      feed = Ostatus::AtomSerializer.new.feed(account, [])
       expect(feed.updated.text).to eq '2000-01-01T00:00:00Z'
     end
 
     it 'appends logo element with full asset URL for original account avatar' do
       account = Fabricate(:account, avatar: attachment_fixture('avatar.gif'))
-      feed = AtomSerializer.new.feed(account, [])
+      feed = Ostatus::AtomSerializer.new.feed(account, [])
       expect(feed.logo.text).to match /^https:\/\/cb6e6126.ngrok.io\/system\/accounts\/avatars\/.+\/original\/avatar.gif/
     end
 
     it 'appends author element' do
       account = Fabricate(:account, username: 'username')
-      feed = AtomSerializer.new.feed(account, [])
+      feed = Ostatus::AtomSerializer.new.feed(account, [])
       expect(feed.author.id.text).to eq 'https://cb6e6126.ngrok.io/users/username'
     end
 
     it 'appends link element for an alternative' do
       account = Fabricate(:account, username: 'username')
 
-      feed = AtomSerializer.new.feed(account, [])
+      feed = Ostatus::AtomSerializer.new.feed(account, [])
 
       link = feed.nodes.find { |node| node.name == 'link' && node[:rel] == 'alternate' }
       expect(link[:type]).to eq 'text/html'
@@ -650,7 +650,7 @@ RSpec.describe AtomSerializer do
     it 'appends link element for itself' do
       account = Fabricate(:account, username: 'username')
 
-      feed = AtomSerializer.new.feed(account, [])
+      feed = Ostatus::AtomSerializer.new.feed(account, [])
 
       link = feed.nodes.find { |node| node.name == 'link' && node[:rel] == 'self' }
       expect(link[:type]).to eq 'application/atom+xml'
@@ -661,7 +661,7 @@ RSpec.describe AtomSerializer do
       account = Fabricate(:account, username: 'username')
       stream_entry = Fabricate(:stream_entry)
 
-      feed = AtomSerializer.new.feed(account, Array.new(20, stream_entry))
+      feed = Ostatus::AtomSerializer.new.feed(account, Array.new(20, stream_entry))
 
       link = feed.nodes.find { |node| node.name == 'link' && node[:rel] == 'next' }
       expect(link[:type]).to eq 'application/atom+xml'
@@ -671,7 +671,7 @@ RSpec.describe AtomSerializer do
     it 'does not append link element for the next if it does not have 20 stream entries' do
       account = Fabricate(:account, username: 'username')
 
-      feed = AtomSerializer.new.feed(account, [])
+      feed = Ostatus::AtomSerializer.new.feed(account, [])
 
       feed.nodes.each do |node|
         expect(node[:rel]).not_to eq 'next' if node.name == 'link'
@@ -681,7 +681,7 @@ RSpec.describe AtomSerializer do
     it 'appends link element for hub' do
       account = Fabricate(:account, username: 'username')
 
-      feed = AtomSerializer.new.feed(account, [])
+      feed = Ostatus::AtomSerializer.new.feed(account, [])
 
       link = feed.nodes.find { |node| node.name == 'link' && node[:rel] == 'hub' }
       expect(link[:href]).to eq 'https://cb6e6126.ngrok.io/api/push'
@@ -690,7 +690,7 @@ RSpec.describe AtomSerializer do
     it 'appends link element for Salmon' do
       account = Fabricate(:account, username: 'username')
 
-      feed = AtomSerializer.new.feed(account, [])
+      feed = Ostatus::AtomSerializer.new.feed(account, [])
 
       link = feed.nodes.find { |node| node.name == 'link' && node[:rel] == 'salmon' }
       expect(link[:href]).to start_with 'https://cb6e6126.ngrok.io/api/salmon/'
@@ -700,7 +700,7 @@ RSpec.describe AtomSerializer do
       account = Fabricate(:account, username: 'username')
       status = Fabricate(:status, account: account)
 
-      feed = AtomSerializer.new.feed(account, [status.stream_entry])
+      feed = Ostatus::AtomSerializer.new.feed(account, [status.stream_entry])
 
       expect(feed.entry.title.text).to eq 'New status by username'
     end
@@ -710,13 +710,13 @@ RSpec.describe AtomSerializer do
     include_examples 'namespaces' do
       def serialize
         block = Fabricate(:block)
-        AtomSerializer.new.block_salmon(block)
+        Ostatus::AtomSerializer.new.block_salmon(block)
       end
     end
 
     it 'returns entry element' do
       block = Fabricate(:block)
-      block_salmon = AtomSerializer.new.block_salmon(block)
+      block_salmon = Ostatus::AtomSerializer.new.block_salmon(block)
       expect(block_salmon.name).to eq 'entry'
     end
 
@@ -724,7 +724,7 @@ RSpec.describe AtomSerializer do
       block = Fabricate(:block)
 
       time_before = Time.now
-      block_salmon = AtomSerializer.new.block_salmon(block)
+      block_salmon = Ostatus::AtomSerializer.new.block_salmon(block)
       time_after = Time.now
 
       expect(block_salmon.id.text).to(
@@ -738,7 +738,7 @@ RSpec.describe AtomSerializer do
       target_account = Fabricate(:account, domain: 'remote', username: 'target_account')
       block = Fabricate(:block, account: account, target_account: target_account)
 
-      block_salmon = AtomSerializer.new.block_salmon(block)
+      block_salmon = Ostatus::AtomSerializer.new.block_salmon(block)
 
       expect(block_salmon.title.text).to eq 'account no longer wishes to interact with target_account@remote'
     end
@@ -747,7 +747,7 @@ RSpec.describe AtomSerializer do
       account = Fabricate(:account, domain: nil, username: 'account')
       block = Fabricate(:block, account: account)
 
-      block_salmon = AtomSerializer.new.block_salmon(block)
+      block_salmon = Ostatus::AtomSerializer.new.block_salmon(block)
 
       expect(block_salmon.author.id.text).to eq 'https://cb6e6126.ngrok.io/users/account'
     end
@@ -755,7 +755,7 @@ RSpec.describe AtomSerializer do
     it 'appends activity:object-type element with activity type' do
       block = Fabricate(:block)
 
-      block_salmon = AtomSerializer.new.block_salmon(block)
+      block_salmon = Ostatus::AtomSerializer.new.block_salmon(block)
 
       object_type = block_salmon.nodes.find { |node| node.name == 'activity:object-type' }
       expect(object_type.text).to eq TagManager::TYPES[:activity]
@@ -764,7 +764,7 @@ RSpec.describe AtomSerializer do
     it 'appends activity:verb element with block' do
       block = Fabricate(:block)
 
-      block_salmon = AtomSerializer.new.block_salmon(block)
+      block_salmon = Ostatus::AtomSerializer.new.block_salmon(block)
 
       verb = block_salmon.nodes.find { |node| node.name == 'activity:verb' }
       expect(verb.text).to eq TagManager::VERBS[:block]
@@ -774,7 +774,7 @@ RSpec.describe AtomSerializer do
       target_account = Fabricate(:account, domain: 'domain', uri: 'https://domain/id')
       block = Fabricate(:block, target_account: target_account)
 
-      block_salmon = AtomSerializer.new.block_salmon(block)
+      block_salmon = Ostatus::AtomSerializer.new.block_salmon(block)
 
       object = block_salmon.nodes.find { |node| node.name == 'activity:object' }
       expect(object.id.text).to eq 'https://domain/id'
@@ -782,8 +782,8 @@ RSpec.describe AtomSerializer do
 
     it 'returns element whose rendered view triggers block when processed' do
       block = Fabricate(:block)
-      block_salmon = AtomSerializer.new.block_salmon(block)
-      xml = AtomSerializer.render(block_salmon)
+      block_salmon = Ostatus::AtomSerializer.new.block_salmon(block)
+      xml = Ostatus::AtomSerializer.render(block_salmon)
       envelope = OStatus2::Salmon.new.pack(xml, block.account.keypair)
       block.destroy!
 
@@ -797,13 +797,13 @@ RSpec.describe AtomSerializer do
     include_examples 'namespaces' do
       def serialize
         block = Fabricate(:block)
-        AtomSerializer.new.unblock_salmon(block)
+        Ostatus::AtomSerializer.new.unblock_salmon(block)
       end
     end
 
     it 'returns entry element' do
       block = Fabricate(:block)
-      unblock_salmon = AtomSerializer.new.unblock_salmon(block)
+      unblock_salmon = Ostatus::AtomSerializer.new.unblock_salmon(block)
       expect(unblock_salmon.name).to eq 'entry'
     end
 
@@ -811,7 +811,7 @@ RSpec.describe AtomSerializer do
       block = Fabricate(:block)
 
       time_before = Time.now
-      unblock_salmon = AtomSerializer.new.unblock_salmon(block)
+      unblock_salmon = Ostatus::AtomSerializer.new.unblock_salmon(block)
       time_after = Time.now
 
       expect(unblock_salmon.id.text).to(
@@ -825,7 +825,7 @@ RSpec.describe AtomSerializer do
       target_account = Fabricate(:account, domain: 'remote', username: 'target_account')
       block = Fabricate(:block, account: account, target_account: target_account)
 
-      unblock_salmon = AtomSerializer.new.unblock_salmon(block)
+      unblock_salmon = Ostatus::AtomSerializer.new.unblock_salmon(block)
 
       expect(unblock_salmon.title.text).to eq 'account no longer blocks target_account@remote'
     end
@@ -834,7 +834,7 @@ RSpec.describe AtomSerializer do
       account = Fabricate(:account, domain: nil, username: 'account')
       block = Fabricate(:block, account: account)
 
-      unblock_salmon = AtomSerializer.new.unblock_salmon(block)
+      unblock_salmon = Ostatus::AtomSerializer.new.unblock_salmon(block)
 
       expect(unblock_salmon.author.id.text).to eq 'https://cb6e6126.ngrok.io/users/account'
     end
@@ -842,7 +842,7 @@ RSpec.describe AtomSerializer do
     it 'appends activity:object-type element with activity type' do
       block = Fabricate(:block)
 
-      unblock_salmon = AtomSerializer.new.unblock_salmon(block)
+      unblock_salmon = Ostatus::AtomSerializer.new.unblock_salmon(block)
 
       object_type = unblock_salmon.nodes.find { |node| node.name == 'activity:object-type' }
       expect(object_type.text).to eq TagManager::TYPES[:activity]
@@ -851,7 +851,7 @@ RSpec.describe AtomSerializer do
     it 'appends activity:verb element with block' do
       block = Fabricate(:block)
 
-      unblock_salmon = AtomSerializer.new.unblock_salmon(block)
+      unblock_salmon = Ostatus::AtomSerializer.new.unblock_salmon(block)
 
       verb = unblock_salmon.nodes.find { |node| node.name == 'activity:verb' }
       expect(verb.text).to eq TagManager::VERBS[:unblock]
@@ -861,7 +861,7 @@ RSpec.describe AtomSerializer do
       target_account = Fabricate(:account, domain: 'domain', uri: 'https://domain/id')
       block = Fabricate(:block, target_account: target_account)
 
-      unblock_salmon = AtomSerializer.new.unblock_salmon(block)
+      unblock_salmon = Ostatus::AtomSerializer.new.unblock_salmon(block)
 
       object = unblock_salmon.nodes.find { |node| node.name == 'activity:object' }
       expect(object.id.text).to eq 'https://domain/id'
@@ -869,8 +869,8 @@ RSpec.describe AtomSerializer do
 
     it 'returns element whose rendered view triggers block when processed' do
       block = Fabricate(:block)
-      unblock_salmon = AtomSerializer.new.unblock_salmon(block)
-      xml = AtomSerializer.render(unblock_salmon)
+      unblock_salmon = Ostatus::AtomSerializer.new.unblock_salmon(block)
+      xml = Ostatus::AtomSerializer.render(unblock_salmon)
       envelope = OStatus2::Salmon.new.pack(xml, block.account.keypair)
 
       ProcessInteractionService.new.call(envelope, block.target_account)
@@ -883,19 +883,19 @@ RSpec.describe AtomSerializer do
     include_examples 'namespaces' do
       def serialize
         favourite = Fabricate(:favourite)
-        AtomSerializer.new.favourite_salmon(favourite)
+        Ostatus::AtomSerializer.new.favourite_salmon(favourite)
       end
     end
 
     it 'returns entry element' do
       favourite = Fabricate(:favourite)
-      favourite_salmon = AtomSerializer.new.favourite_salmon(favourite)
+      favourite_salmon = Ostatus::AtomSerializer.new.favourite_salmon(favourite)
       expect(favourite_salmon.name).to eq 'entry'
     end
 
     it 'appends id element with unique tag' do
       favourite = Fabricate(:favourite, created_at: '2000-01-01T00:00:00Z')
-      favourite_salmon = AtomSerializer.new.favourite_salmon(favourite)
+      favourite_salmon = Ostatus::AtomSerializer.new.favourite_salmon(favourite)
       expect(favourite_salmon.id.text).to eq "tag:cb6e6126.ngrok.io,2000-01-01:objectId=#{favourite.id}:objectType=Favourite"
     end
 
@@ -903,7 +903,7 @@ RSpec.describe AtomSerializer do
       account = Fabricate(:account, domain: nil, username: 'username')
       favourite = Fabricate(:favourite, account: account)
 
-      favourite_salmon = AtomSerializer.new.favourite_salmon(favourite)
+      favourite_salmon = Ostatus::AtomSerializer.new.favourite_salmon(favourite)
 
       expect(favourite_salmon.author.id.text).to eq 'https://cb6e6126.ngrok.io/users/username'
     end
@@ -911,7 +911,7 @@ RSpec.describe AtomSerializer do
     it 'appends activity:object-type element with activity type' do
       favourite = Fabricate(:favourite)
 
-      favourite_salmon = AtomSerializer.new.favourite_salmon(favourite)
+      favourite_salmon = Ostatus::AtomSerializer.new.favourite_salmon(favourite)
 
       object_type = favourite_salmon.nodes.find { |node| node.name == 'activity:object-type' }
       expect(object_type.text).to eq 'http://activitystrea.ms/schema/1.0/activity'
@@ -920,7 +920,7 @@ RSpec.describe AtomSerializer do
     it 'appends activity:verb element with favorite' do
       favourite = Fabricate(:favourite)
 
-      favourite_salmon = AtomSerializer.new.favourite_salmon(favourite)
+      favourite_salmon = Ostatus::AtomSerializer.new.favourite_salmon(favourite)
 
       verb = favourite_salmon.nodes.find { |node| node.name == 'activity:verb' }
       expect(verb.text).to eq TagManager::VERBS[:favorite]
@@ -930,7 +930,7 @@ RSpec.describe AtomSerializer do
       status = Fabricate(:status, created_at: '2000-01-01T00:00:00Z')
       favourite = Fabricate(:favourite, status: status)
 
-      favourite_salmon = AtomSerializer.new.favourite_salmon(favourite)
+      favourite_salmon = Ostatus::AtomSerializer.new.favourite_salmon(favourite)
 
       object = favourite_salmon.nodes.find { |node| node.name == 'activity:object' }
       expect(object.id.text).to eq "tag:cb6e6126.ngrok.io,2000-01-01:objectId=#{status.id}:objectType=Status"
@@ -941,7 +941,7 @@ RSpec.describe AtomSerializer do
       status = Fabricate(:status, account: status_account, created_at: '2000-01-01T00:00:00Z')
       favourite = Fabricate(:favourite, status: status)
 
-      favourite_salmon = AtomSerializer.new.favourite_salmon(favourite)
+      favourite_salmon = Ostatus::AtomSerializer.new.favourite_salmon(favourite)
 
       in_reply_to = favourite_salmon.nodes.find { |node| node.name == 'thr:in-reply-to' }
       expect(in_reply_to.ref).to eq "tag:cb6e6126.ngrok.io,2000-01-01:objectId=#{status.id}:objectType=Status"
@@ -954,7 +954,7 @@ RSpec.describe AtomSerializer do
       status = Fabricate(:status, account: status_account)
       favourite = Fabricate(:favourite, account: account, status: status)
 
-      favourite_salmon = AtomSerializer.new.favourite_salmon(favourite)
+      favourite_salmon = Ostatus::AtomSerializer.new.favourite_salmon(favourite)
 
       expect(favourite_salmon.title.text).to eq 'account favourited a status by status_account@remote'
       expect(favourite_salmon.content.text).to eq 'account favourited a status by status_account@remote'
@@ -962,8 +962,8 @@ RSpec.describe AtomSerializer do
 
     it 'returns element whose rendered view triggers favourite when processed' do
       favourite = Fabricate(:favourite)
-      favourite_salmon = AtomSerializer.new.favourite_salmon(favourite)
-      xml = AtomSerializer.render(favourite_salmon)
+      favourite_salmon = Ostatus::AtomSerializer.new.favourite_salmon(favourite)
+      xml = Ostatus::AtomSerializer.render(favourite_salmon)
       envelope = OStatus2::Salmon.new.pack(xml, favourite.account.keypair)
       favourite.destroy!
 
@@ -976,13 +976,13 @@ RSpec.describe AtomSerializer do
     include_examples 'namespaces' do
       def serialize
         favourite = Fabricate(:favourite)
-        AtomSerializer.new.favourite_salmon(favourite)
+        Ostatus::AtomSerializer.new.favourite_salmon(favourite)
       end
     end
 
     it 'returns entry element' do
       favourite = Fabricate(:favourite)
-      unfavourite_salmon = AtomSerializer.new.unfavourite_salmon(favourite)
+      unfavourite_salmon = Ostatus::AtomSerializer.new.unfavourite_salmon(favourite)
       expect(unfavourite_salmon.name).to eq 'entry'
     end
 
@@ -990,7 +990,7 @@ RSpec.describe AtomSerializer do
       favourite = Fabricate(:favourite)
 
       time_before = Time.now
-      unfavourite_salmon = AtomSerializer.new.unfavourite_salmon(favourite)
+      unfavourite_salmon = Ostatus::AtomSerializer.new.unfavourite_salmon(favourite)
       time_after = Time.now
 
       expect(unfavourite_salmon.id.text).to(
@@ -1003,7 +1003,7 @@ RSpec.describe AtomSerializer do
       account = Fabricate(:account, domain: nil, username: 'username')
       favourite = Fabricate(:favourite, account: account)
 
-      unfavourite_salmon = AtomSerializer.new.unfavourite_salmon(favourite)
+      unfavourite_salmon = Ostatus::AtomSerializer.new.unfavourite_salmon(favourite)
 
       expect(unfavourite_salmon.author.id.text).to eq 'https://cb6e6126.ngrok.io/users/username'
     end
@@ -1011,7 +1011,7 @@ RSpec.describe AtomSerializer do
     it 'appends activity:object-type element with activity type' do
       favourite = Fabricate(:favourite)
 
-      unfavourite_salmon = AtomSerializer.new.unfavourite_salmon(favourite)
+      unfavourite_salmon = Ostatus::AtomSerializer.new.unfavourite_salmon(favourite)
 
       object_type = unfavourite_salmon.nodes.find { |node| node.name == 'activity:object-type' }
       expect(object_type.text).to eq 'http://activitystrea.ms/schema/1.0/activity'
@@ -1020,7 +1020,7 @@ RSpec.describe AtomSerializer do
     it 'appends activity:verb element with favorite' do
       favourite = Fabricate(:favourite)
 
-      unfavourite_salmon = AtomSerializer.new.unfavourite_salmon(favourite)
+      unfavourite_salmon = Ostatus::AtomSerializer.new.unfavourite_salmon(favourite)
 
       verb = unfavourite_salmon.nodes.find { |node| node.name == 'activity:verb' }
       expect(verb.text).to eq TagManager::VERBS[:unfavorite]
@@ -1030,7 +1030,7 @@ RSpec.describe AtomSerializer do
       status = Fabricate(:status, created_at: '2000-01-01T00:00:00Z')
       favourite = Fabricate(:favourite, status: status)
 
-      unfavourite_salmon = AtomSerializer.new.unfavourite_salmon(favourite)
+      unfavourite_salmon = Ostatus::AtomSerializer.new.unfavourite_salmon(favourite)
 
       object = unfavourite_salmon.nodes.find { |node| node.name == 'activity:object' }
       expect(object.id.text).to eq "tag:cb6e6126.ngrok.io,2000-01-01:objectId=#{status.id}:objectType=Status"
@@ -1041,7 +1041,7 @@ RSpec.describe AtomSerializer do
       status = Fabricate(:status, account: status_account, created_at: '2000-01-01T00:00:00Z')
       favourite = Fabricate(:favourite, status: status)
 
-      unfavourite_salmon = AtomSerializer.new.unfavourite_salmon(favourite)
+      unfavourite_salmon = Ostatus::AtomSerializer.new.unfavourite_salmon(favourite)
 
       in_reply_to = unfavourite_salmon.nodes.find { |node| node.name == 'thr:in-reply-to' }
       expect(in_reply_to.ref).to eq "tag:cb6e6126.ngrok.io,2000-01-01:objectId=#{status.id}:objectType=Status"
@@ -1054,7 +1054,7 @@ RSpec.describe AtomSerializer do
       status = Fabricate(:status, account: status_account)
       favourite = Fabricate(:favourite, account: account, status: status)
 
-      unfavourite_salmon = AtomSerializer.new.unfavourite_salmon(favourite)
+      unfavourite_salmon = Ostatus::AtomSerializer.new.unfavourite_salmon(favourite)
 
       expect(unfavourite_salmon.title.text).to eq 'account no longer favourites a status by status_account@remote'
       expect(unfavourite_salmon.content.text).to eq 'account no longer favourites a status by status_account@remote'
@@ -1062,8 +1062,8 @@ RSpec.describe AtomSerializer do
 
     it 'returns element whose rendered view triggers unfavourite when processed' do
       favourite = Fabricate(:favourite)
-      unfavourite_salmon = AtomSerializer.new.unfavourite_salmon(favourite)
-      xml = AtomSerializer.render(unfavourite_salmon)
+      unfavourite_salmon = Ostatus::AtomSerializer.new.unfavourite_salmon(favourite)
+      xml = Ostatus::AtomSerializer.render(unfavourite_salmon)
       envelope = OStatus2::Salmon.new.pack(xml, favourite.account.keypair)
 
       ProcessInteractionService.new.call(envelope, favourite.status.account)
@@ -1075,19 +1075,19 @@ RSpec.describe AtomSerializer do
     include_examples 'namespaces' do
       def serialize
         follow = Fabricate(:follow)
-        AtomSerializer.new.follow_salmon(follow)
+        Ostatus::AtomSerializer.new.follow_salmon(follow)
       end
     end
 
     it 'returns entry element' do
       follow = Fabricate(:follow)
-      follow_salmon = AtomSerializer.new.follow_salmon(follow)
+      follow_salmon = Ostatus::AtomSerializer.new.follow_salmon(follow)
       expect(follow_salmon.name).to eq 'entry'
     end
 
     it 'appends id element with unique tag' do
       follow = Fabricate(:follow, created_at: '2000-01-01T00:00:00Z')
-      follow_salmon = AtomSerializer.new.follow_salmon(follow)
+      follow_salmon = Ostatus::AtomSerializer.new.follow_salmon(follow)
       expect(follow_salmon.id.text).to eq "tag:cb6e6126.ngrok.io,2000-01-01:objectId=#{follow.id}:objectType=Follow"
     end
 
@@ -1095,7 +1095,7 @@ RSpec.describe AtomSerializer do
       account = Fabricate(:account, domain: nil, username: 'username')
       follow = Fabricate(:follow, account: account)
 
-      follow_salmon = AtomSerializer.new.follow_salmon(follow)
+      follow_salmon = Ostatus::AtomSerializer.new.follow_salmon(follow)
 
       expect(follow_salmon.author.id.text).to eq 'https://cb6e6126.ngrok.io/users/username'
     end
@@ -1103,7 +1103,7 @@ RSpec.describe AtomSerializer do
     it 'appends activity:object-type element with activity type' do
       follow = Fabricate(:follow)
 
-      follow_salmon = AtomSerializer.new.follow_salmon(follow)
+      follow_salmon = Ostatus::AtomSerializer.new.follow_salmon(follow)
 
       object_type = follow_salmon.nodes.find { |node| node.name == 'activity:object-type' }
       expect(object_type.text).to eq TagManager::TYPES[:activity]
@@ -1112,7 +1112,7 @@ RSpec.describe AtomSerializer do
     it 'appends activity:verb element with follow' do
       follow = Fabricate(:follow)
 
-      follow_salmon = AtomSerializer.new.follow_salmon(follow)
+      follow_salmon = Ostatus::AtomSerializer.new.follow_salmon(follow)
 
       verb = follow_salmon.nodes.find { |node| node.name == 'activity:verb' }
       expect(verb.text).to eq TagManager::VERBS[:follow]
@@ -1122,7 +1122,7 @@ RSpec.describe AtomSerializer do
       target_account = Fabricate(:account, domain: 'domain', uri: 'https://domain/id')
       follow = Fabricate(:follow, target_account: target_account)
 
-      follow_salmon = AtomSerializer.new.follow_salmon(follow)
+      follow_salmon = Ostatus::AtomSerializer.new.follow_salmon(follow)
 
       object = follow_salmon.nodes.find { |node| node.name == 'activity:object' }
       expect(object.id.text).to eq 'https://domain/id'
@@ -1133,7 +1133,7 @@ RSpec.describe AtomSerializer do
       target_account = Fabricate(:account, domain: 'remote', username: 'target_account')
       follow = Fabricate(:follow, account: account, target_account: target_account)
 
-      follow_salmon = AtomSerializer.new.follow_salmon(follow)
+      follow_salmon = Ostatus::AtomSerializer.new.follow_salmon(follow)
 
       expect(follow_salmon.title.text).to eq 'account started following target_account@remote'
       expect(follow_salmon.content.text).to eq 'account started following target_account@remote'
@@ -1141,8 +1141,8 @@ RSpec.describe AtomSerializer do
 
     it 'returns element whose rendered view triggers follow when processed' do
       follow = Fabricate(:follow)
-      follow_salmon = AtomSerializer.new.follow_salmon(follow)
-      xml = AtomSerializer.render(follow_salmon)
+      follow_salmon = Ostatus::AtomSerializer.new.follow_salmon(follow)
+      xml = Ostatus::AtomSerializer.render(follow_salmon)
       follow.destroy!
       envelope = OStatus2::Salmon.new.pack(xml, follow.account.keypair)
 
@@ -1157,7 +1157,7 @@ RSpec.describe AtomSerializer do
       def serialize
         follow = Fabricate(:follow)
         follow.destroy!
-        AtomSerializer.new.unfollow_salmon(follow)
+        Ostatus::AtomSerializer.new.unfollow_salmon(follow)
       end
     end
 
@@ -1165,7 +1165,7 @@ RSpec.describe AtomSerializer do
       follow = Fabricate(:follow)
       follow.destroy!
 
-      unfollow_salmon = AtomSerializer.new.unfollow_salmon(follow)
+      unfollow_salmon = Ostatus::AtomSerializer.new.unfollow_salmon(follow)
 
       expect(unfollow_salmon.name).to eq 'entry'
     end
@@ -1175,7 +1175,7 @@ RSpec.describe AtomSerializer do
       follow.destroy!
 
       time_before = Time.now
-      unfollow_salmon = AtomSerializer.new.unfollow_salmon(follow)
+      unfollow_salmon = Ostatus::AtomSerializer.new.unfollow_salmon(follow)
       time_after = Time.now
 
       expect(unfollow_salmon.id.text).to(
@@ -1190,7 +1190,7 @@ RSpec.describe AtomSerializer do
       follow = Fabricate(:follow, account: account, target_account: target_account)
       follow.destroy!
 
-      unfollow_salmon = AtomSerializer.new.unfollow_salmon(follow)
+      unfollow_salmon = Ostatus::AtomSerializer.new.unfollow_salmon(follow)
 
       expect(unfollow_salmon.title.text).to eq 'account is no longer following target_account@remote'
     end
@@ -1201,7 +1201,7 @@ RSpec.describe AtomSerializer do
       follow = Fabricate(:follow, account: account, target_account: target_account)
       follow.destroy!
 
-      unfollow_salmon = AtomSerializer.new.unfollow_salmon(follow)
+      unfollow_salmon = Ostatus::AtomSerializer.new.unfollow_salmon(follow)
 
       expect(unfollow_salmon.content.text).to eq 'account is no longer following target_account@remote'
     end
@@ -1211,7 +1211,7 @@ RSpec.describe AtomSerializer do
       follow = Fabricate(:follow, account: account)
       follow.destroy!
 
-      unfollow_salmon = AtomSerializer.new.unfollow_salmon(follow)
+      unfollow_salmon = Ostatus::AtomSerializer.new.unfollow_salmon(follow)
 
       expect(unfollow_salmon.author.id.text).to eq 'https://cb6e6126.ngrok.io/users/username'
     end
@@ -1220,7 +1220,7 @@ RSpec.describe AtomSerializer do
       follow = Fabricate(:follow)
       follow.destroy!
 
-      unfollow_salmon = AtomSerializer.new.unfollow_salmon(follow)
+      unfollow_salmon = Ostatus::AtomSerializer.new.unfollow_salmon(follow)
 
       object_type = unfollow_salmon.nodes.find { |node| node.name == 'activity:object-type' }
       expect(object_type.text).to eq TagManager::TYPES[:activity]
@@ -1230,7 +1230,7 @@ RSpec.describe AtomSerializer do
       follow = Fabricate(:follow)
       follow.destroy!
 
-      unfollow_salmon = AtomSerializer.new.unfollow_salmon(follow)
+      unfollow_salmon = Ostatus::AtomSerializer.new.unfollow_salmon(follow)
 
       verb = unfollow_salmon.nodes.find { |node| node.name == 'activity:verb' }
       expect(verb.text).to eq TagManager::VERBS[:unfollow]
@@ -1241,7 +1241,7 @@ RSpec.describe AtomSerializer do
       follow = Fabricate(:follow, target_account: target_account)
       follow.destroy!
 
-      unfollow_salmon = AtomSerializer.new.unfollow_salmon(follow)
+      unfollow_salmon = Ostatus::AtomSerializer.new.unfollow_salmon(follow)
 
       object = unfollow_salmon.nodes.find { |node| node.name == 'activity:object' }
       expect(object.id.text).to eq 'https://domain/id'
@@ -1250,8 +1250,8 @@ RSpec.describe AtomSerializer do
     it 'returns element whose rendered view triggers unfollow when processed' do
       follow = Fabricate(:follow)
       follow.destroy!
-      unfollow_salmon = AtomSerializer.new.unfollow_salmon(follow)
-      xml = AtomSerializer.render(unfollow_salmon)
+      unfollow_salmon = Ostatus::AtomSerializer.new.unfollow_salmon(follow)
+      xml = Ostatus::AtomSerializer.render(unfollow_salmon)
       follow.account.follow!(follow.target_account)
       envelope = OStatus2::Salmon.new.pack(xml, follow.account.keypair)
 
@@ -1265,13 +1265,13 @@ RSpec.describe AtomSerializer do
     include_examples 'namespaces' do
       def serialize
         follow_request = Fabricate(:follow_request)
-        AtomSerializer.new.follow_request_salmon(follow_request)
+        Ostatus::AtomSerializer.new.follow_request_salmon(follow_request)
       end
     end
 
     context do
       def serialize(follow_request)
-        AtomSerializer.new.follow_request_salmon(follow_request)
+        Ostatus::AtomSerializer.new.follow_request_salmon(follow_request)
       end
 
       it_behaves_like 'follow request salmon'
@@ -1293,7 +1293,7 @@ RSpec.describe AtomSerializer do
       it 'returns element whose rendered view triggers follow request when processed' do
         follow_request = Fabricate(:follow_request)
         follow_request_salmon = serialize(follow_request)
-        xml = AtomSerializer.render(follow_request_salmon)
+        xml = Ostatus::AtomSerializer.render(follow_request_salmon)
         envelope = OStatus2::Salmon.new.pack(xml, follow_request.account.keypair)
         follow_request.destroy!
 
@@ -1308,13 +1308,13 @@ RSpec.describe AtomSerializer do
     include_examples 'namespaces' do
       def serialize
         follow_request = Fabricate(:follow_request)
-        AtomSerializer.new.authorize_follow_request_salmon(follow_request)
+        Ostatus::AtomSerializer.new.authorize_follow_request_salmon(follow_request)
       end
     end
 
     it_behaves_like 'follow request salmon' do
       def serialize(follow_request)
-        authorize_follow_request_salmon = AtomSerializer.new.authorize_follow_request_salmon(follow_request)
+        authorize_follow_request_salmon = Ostatus::AtomSerializer.new.authorize_follow_request_salmon(follow_request)
         authorize_follow_request_salmon.nodes.find { |node| node.name == 'activity:object' }
       end
     end
@@ -1323,7 +1323,7 @@ RSpec.describe AtomSerializer do
       follow_request = Fabricate(:follow_request)
 
       time_before = Time.now
-      authorize_follow_request_salmon = AtomSerializer.new.authorize_follow_request_salmon(follow_request)
+      authorize_follow_request_salmon = Ostatus::AtomSerializer.new.authorize_follow_request_salmon(follow_request)
       time_after = Time.now
 
       expect(authorize_follow_request_salmon.id.text).to(
@@ -1337,7 +1337,7 @@ RSpec.describe AtomSerializer do
       target_account = Fabricate(:account, domain: nil, username: 'target_account')
       follow_request = Fabricate(:follow_request, account: account, target_account: target_account)
 
-      authorize_follow_request_salmon = AtomSerializer.new.authorize_follow_request_salmon(follow_request)
+      authorize_follow_request_salmon = Ostatus::AtomSerializer.new.authorize_follow_request_salmon(follow_request)
 
       expect(authorize_follow_request_salmon.title.text).to eq 'target_account authorizes follow request by account@remote'
     end
@@ -1345,7 +1345,7 @@ RSpec.describe AtomSerializer do
     it 'appends activity:object-type element with activity type' do
       follow_request = Fabricate(:follow_request)
 
-      authorize_follow_request_salmon = AtomSerializer.new.authorize_follow_request_salmon(follow_request)
+      authorize_follow_request_salmon = Ostatus::AtomSerializer.new.authorize_follow_request_salmon(follow_request)
 
       object_type = authorize_follow_request_salmon.nodes.find { |node| node.name == 'activity:object-type' }
       expect(object_type.text).to eq TagManager::TYPES[:activity]
@@ -1354,7 +1354,7 @@ RSpec.describe AtomSerializer do
     it 'appends activity:verb element with authorize' do
       follow_request = Fabricate(:follow_request)
 
-      authorize_follow_request_salmon = AtomSerializer.new.authorize_follow_request_salmon(follow_request)
+      authorize_follow_request_salmon = Ostatus::AtomSerializer.new.authorize_follow_request_salmon(follow_request)
 
       verb = authorize_follow_request_salmon.nodes.find { |node| node.name == 'activity:verb' }
       expect(verb.text).to eq TagManager::VERBS[:authorize]
@@ -1362,8 +1362,8 @@ RSpec.describe AtomSerializer do
 
     it 'returns element whose rendered view creates follow from follow request when processed' do
       follow_request = Fabricate(:follow_request)
-      authorize_follow_request_salmon = AtomSerializer.new.authorize_follow_request_salmon(follow_request)
-      xml = AtomSerializer.render(authorize_follow_request_salmon)
+      authorize_follow_request_salmon = Ostatus::AtomSerializer.new.authorize_follow_request_salmon(follow_request)
+      xml = Ostatus::AtomSerializer.render(authorize_follow_request_salmon)
       envelope = OStatus2::Salmon.new.pack(xml, follow_request.target_account.keypair)
 
       ProcessInteractionService.new.call(envelope, follow_request.account)
@@ -1377,13 +1377,13 @@ RSpec.describe AtomSerializer do
     include_examples 'namespaces' do
       def serialize
         follow_request = Fabricate(:follow_request)
-        AtomSerializer.new.reject_follow_request_salmon(follow_request)
+        Ostatus::AtomSerializer.new.reject_follow_request_salmon(follow_request)
       end
     end
 
     it_behaves_like 'follow request salmon' do
       def serialize(follow_request)
-        reject_follow_request_salmon = AtomSerializer.new.reject_follow_request_salmon(follow_request)
+        reject_follow_request_salmon = Ostatus::AtomSerializer.new.reject_follow_request_salmon(follow_request)
         reject_follow_request_salmon.nodes.find { |node| node.name == 'activity:object' }
       end
     end
@@ -1392,7 +1392,7 @@ RSpec.describe AtomSerializer do
       follow_request = Fabricate(:follow_request)
 
       time_before = Time.now
-      reject_follow_request_salmon = AtomSerializer.new.reject_follow_request_salmon(follow_request)
+      reject_follow_request_salmon = Ostatus::AtomSerializer.new.reject_follow_request_salmon(follow_request)
       time_after = Time.now
 
       expect(reject_follow_request_salmon.id.text).to(
@@ -1405,28 +1405,28 @@ RSpec.describe AtomSerializer do
       account = Fabricate(:account, domain: 'remote', username: 'account')
       target_account = Fabricate(:account, domain: nil, username: 'target_account')
       follow_request = Fabricate(:follow_request, account: account, target_account: target_account)
-      reject_follow_request_salmon = AtomSerializer.new.reject_follow_request_salmon(follow_request)
+      reject_follow_request_salmon = Ostatus::AtomSerializer.new.reject_follow_request_salmon(follow_request)
       expect(reject_follow_request_salmon.title.text).to eq 'target_account rejects follow request by account@remote'
     end
 
     it 'appends activity:object-type element with activity type' do
       follow_request = Fabricate(:follow_request)
-      reject_follow_request_salmon = AtomSerializer.new.reject_follow_request_salmon(follow_request)
+      reject_follow_request_salmon = Ostatus::AtomSerializer.new.reject_follow_request_salmon(follow_request)
       object_type = reject_follow_request_salmon.nodes.find { |node| node.name == 'activity:object-type' }
       expect(object_type.text).to eq TagManager::TYPES[:activity]
     end
 
     it 'appends activity:verb element with authorize' do
       follow_request = Fabricate(:follow_request)
-      reject_follow_request_salmon = AtomSerializer.new.reject_follow_request_salmon(follow_request)
+      reject_follow_request_salmon = Ostatus::AtomSerializer.new.reject_follow_request_salmon(follow_request)
       verb = reject_follow_request_salmon.nodes.find { |node| node.name == 'activity:verb' }
       expect(verb.text).to eq TagManager::VERBS[:reject]
     end
 
     it 'returns element whose rendered view deletes follow request when processed' do
       follow_request = Fabricate(:follow_request)
-      reject_follow_request_salmon = AtomSerializer.new.reject_follow_request_salmon(follow_request)
-      xml = AtomSerializer.render(reject_follow_request_salmon)
+      reject_follow_request_salmon = Ostatus::AtomSerializer.new.reject_follow_request_salmon(follow_request)
+      xml = Ostatus::AtomSerializer.render(reject_follow_request_salmon)
       envelope = OStatus2::Salmon.new.pack(xml, follow_request.target_account.keypair)
 
       ProcessInteractionService.new.call(envelope, follow_request.account)
@@ -1439,31 +1439,31 @@ RSpec.describe AtomSerializer do
   describe '#object' do
     include_examples 'status attributes' do
       def serialize(status)
-        AtomSerializer.new.object(status)
+        Ostatus::AtomSerializer.new.object(status)
       end
     end
 
     it 'returns activity:object element' do
       status = Fabricate(:status)
-      object = AtomSerializer.new.object(status)
+      object = Ostatus::AtomSerializer.new.object(status)
       expect(object.name).to eq 'activity:object'
     end
 
     it 'appends id element with URL for status' do
       status = Fabricate(:status, created_at: '2000-01-01T00:00:00Z')
-      object = AtomSerializer.new.object(status)
+      object = Ostatus::AtomSerializer.new.object(status)
       expect(object.id.text).to eq "tag:cb6e6126.ngrok.io,2000-01-01:objectId=#{status.id}:objectType=Status"
     end
 
     it 'appends published element with created date' do
       status = Fabricate(:status, created_at: '2000-01-01T00:00:00Z')
-      object = AtomSerializer.new.object(status)
+      object = Ostatus::AtomSerializer.new.object(status)
       expect(object.published.text).to eq '2000-01-01T00:00:00Z'
     end
 
     it 'appends updated element with updated date' do
       status = Fabricate(:status, updated_at: '2000-01-01T00:00:00Z')
-      object = AtomSerializer.new.object(status)
+      object = Ostatus::AtomSerializer.new.object(status)
       expect(object.updated.text).to eq '2000-01-01T00:00:00Z'
     end
 
@@ -1471,7 +1471,7 @@ RSpec.describe AtomSerializer do
       account = Fabricate(:account, username: 'username')
       status = Fabricate(:status, account: account)
 
-      object = AtomSerializer.new.object(status)
+      object = Ostatus::AtomSerializer.new.object(status)
 
       expect(object.title.text).to eq 'New status by username'
     end
@@ -1480,7 +1480,7 @@ RSpec.describe AtomSerializer do
       account = Fabricate(:account, username: 'username')
       status = Fabricate(:status, account: account)
 
-      entry = AtomSerializer.new.object(status)
+      entry = Ostatus::AtomSerializer.new.object(status)
 
       expect(entry.author.id.text).to eq 'https://cb6e6126.ngrok.io/users/username'
     end
@@ -1488,7 +1488,7 @@ RSpec.describe AtomSerializer do
     it 'appends activity:object-type element with object type' do
       status = Fabricate(:status)
 
-      entry = AtomSerializer.new.object(status)
+      entry = Ostatus::AtomSerializer.new.object(status)
 
       object_type = entry.nodes.find { |node| node.name == 'activity:object-type' }
       expect(object_type.text).to eq TagManager::TYPES[:note]
@@ -1497,7 +1497,7 @@ RSpec.describe AtomSerializer do
     it 'appends activity:verb element with verb' do
       status = Fabricate(:status)
 
-      entry = AtomSerializer.new.object(status)
+      entry = Ostatus::AtomSerializer.new.object(status)
 
       object_type = entry.nodes.find { |node| node.name == 'activity:verb' }
       expect(object_type.text).to eq TagManager::VERBS[:post]
@@ -1507,7 +1507,7 @@ RSpec.describe AtomSerializer do
       account = Fabricate(:account, username: 'username')
       status = Fabricate(:status, account: account)
 
-      entry = AtomSerializer.new.object(status)
+      entry = Ostatus::AtomSerializer.new.object(status)
 
       link = entry.nodes.find { |node| node.name == 'link' && node[:rel] == 'alternate' }
       expect(link[:type]).to eq 'text/html'
@@ -1519,7 +1519,7 @@ RSpec.describe AtomSerializer do
       thread = Fabricate(:status, account: account, created_at: '2000-01-01T00:00:00Z')
       reply = Fabricate(:status, thread: thread)
 
-      entry = AtomSerializer.new.object(reply)
+      entry = Ostatus::AtomSerializer.new.object(reply)
 
       in_reply_to = entry.nodes.find { |node| node.name == 'thr:in-reply-to' }
       expect(in_reply_to.ref).to eq "tag:cb6e6126.ngrok.io,2000-01-01:objectId=#{thread.id}:objectType=Status"
@@ -1528,7 +1528,7 @@ RSpec.describe AtomSerializer do
 
     it 'does not append thr:in-reply-to element if thread is nil' do
       status = Fabricate(:status, thread: nil)
-      entry = AtomSerializer.new.object(status)
+      entry = Ostatus::AtomSerializer.new.object(status)
       entry.nodes.each { |node| expect(node.name).not_to eq 'thr:in-reply-to' }
     end
 
@@ -1536,7 +1536,7 @@ RSpec.describe AtomSerializer do
       status = Fabricate.build(:status, conversation_id: nil)
       status.save!(validate: false)
 
-      entry = AtomSerializer.new.object(status)
+      entry = Ostatus::AtomSerializer.new.object(status)
 
       entry.nodes.each { |node| expect(node.name).not_to eq 'ostatus:conversation' }
     end
@@ -1545,7 +1545,7 @@ RSpec.describe AtomSerializer do
       status = Fabricate(:status)
       status.conversation.update!(created_at: '2000-01-01T00:00:00Z')
 
-      entry = AtomSerializer.new.object(status)
+      entry = Ostatus::AtomSerializer.new.object(status)
 
       conversation = entry.nodes.find { |node| node.name == 'ostatus:conversation' }
       expect(conversation[:ref]).to eq "tag:cb6e6126.ngrok.io,2000-01-01:objectId=#{status.conversation.id}:objectType=Conversation"
diff --git a/spec/lib/user_settings_decorator_spec.rb b/spec/lib/user_settings_decorator_spec.rb
index a67487779f..6fbf6536ba 100644
--- a/spec/lib/user_settings_decorator_spec.rb
+++ b/spec/lib/user_settings_decorator_spec.rb
@@ -35,6 +35,13 @@ describe UserSettingsDecorator do
       expect(user.settings['default_sensitive']).to eq true
     end
 
+    it 'updates the user settings value for unfollow modal' do
+      values = { 'setting_unfollow_modal' => '0' }
+
+      settings.update(values)
+      expect(user.settings['unfollow_modal']).to eq false
+    end
+
     it 'updates the user settings value for boost modal' do
       values = { 'setting_boost_modal' => '1' }
 
diff --git a/spec/models/form/status_batch_spec.rb b/spec/models/form/status_batch_spec.rb
new file mode 100644
index 0000000000..00c790a11f
--- /dev/null
+++ b/spec/models/form/status_batch_spec.rb
@@ -0,0 +1,52 @@
+require 'rails_helper'
+
+describe Form::StatusBatch do
+  let(:form) { Form::StatusBatch.new(action: action, status_ids: status_ids) }
+  let(:status) { Fabricate(:status) }
+
+  describe 'with nsfw action' do
+    let(:status_ids) { [status.id, nonsensitive_status.id, sensitive_status.id] }
+    let(:nonsensitive_status) { Fabricate(:status, sensitive: false) }
+    let(:sensitive_status) { Fabricate(:status, sensitive: true) }
+    let!(:shown_media_attachment) { Fabricate(:media_attachment, status: nonsensitive_status) }
+    let!(:hidden_media_attachment) { Fabricate(:media_attachment, status: sensitive_status) }
+
+    context 'nsfw_on' do
+      let(:action) { 'nsfw_on' }
+
+      it { expect(form.save).to be true }
+      it { expect { form.save }.to change { nonsensitive_status.reload.sensitive }.from(false).to(true) }
+      it { expect { form.save }.not_to change { sensitive_status.reload.sensitive } }
+      it { expect { form.save }.not_to change { status.reload.sensitive } }
+    end
+
+    context 'nsfw_off' do
+      let(:action) { 'nsfw_off' }
+
+      it { expect(form.save).to be true }
+      it { expect { form.save }.to change { sensitive_status.reload.sensitive }.from(true).to(false) }
+      it { expect { form.save }.not_to change { nonsensitive_status.reload.sensitive } }
+      it { expect { form.save }.not_to change { status.reload.sensitive } }
+    end
+  end
+
+  describe 'with delete action' do
+    let(:status_ids) { [status.id] }
+    let(:action) { 'delete' }
+    let!(:another_status) { Fabricate(:status) }
+
+    before do
+      allow(RemovalWorker).to receive(:perform_async)
+    end
+
+    it 'call RemovalWorker' do
+      form.save
+      expect(RemovalWorker).to have_received(:perform_async).with(status.id)
+    end
+
+    it 'do not call RemovalWorker' do
+      form.save
+      expect(RemovalWorker).not_to have_received(:perform_async).with(another_status.id)
+    end
+  end
+end
diff --git a/spec/models/user_spec.rb b/spec/models/user_spec.rb
index 2019ec0f69..ef45818b97 100644
--- a/spec/models/user_spec.rb
+++ b/spec/models/user_spec.rb
@@ -219,6 +219,14 @@ RSpec.describe User, type: :model do
     end
   end
 
+  describe '#setting_unfollow_modal' do
+    it 'returns unfollow modal setting' do
+      user = Fabricate(:user)
+      user.settings[:unfollow_modal] = true
+      expect(user.setting_unfollow_modal).to eq true
+    end
+  end
+
   describe '#setting_delete_modal' do
     it 'returns delete modal setting' do
       user = Fabricate(:user)
diff --git a/spec/services/process_feed_service_spec.rb b/spec/services/process_feed_service_spec.rb
index d85ee3b567..5e34370ee0 100644
--- a/spec/services/process_feed_service_spec.rb
+++ b/spec/services/process_feed_service_spec.rb
@@ -167,6 +167,46 @@ XML
     expect(created_statuses.first.reblog.text).to eq 'Overwatch rocks'
   end
 
+  it 'ignores reblogs if it failed to retreive reblogged statuses' do
+    stub_request(:head, 'https://overwatch.com/users/tracer/updates/1').to_return(status: 404)
+
+    actor = Fabricate(:account, username: 'tracer', domain: 'overwatch.com')
+
+    body = <<XML
+<?xml version="1.0"?>
+<entry xmlns="http://www.w3.org/2005/Atom" xmlns:thr="http://purl.org/syndication/thread/1.0" xmlns:activity="http://activitystrea.ms/spec/1.0/" xmlns:poco="http://portablecontacts.net/spec/1.0" xmlns:media="http://purl.org/syndication/atommedia" xmlns:ostatus="http://ostatus.org/schema/1.0" xmlns:mastodon="http://mastodon.social/schema/1.0">
+  <id>tag:overwatch.com,2017-04-27:objectId=4467137:objectType=Status</id>
+  <published>2017-04-27T13:49:25Z</published>
+  <updated>2017-04-27T13:49:25Z</updated>
+  <author>
+    <id>https://overwatch.com/users/tracer</id>
+    <activity:object-type>http://activitystrea.ms/schema/1.0/person</activity:object-type>
+    <uri>https://overwatch.com/users/tracer</uri>
+    <name>tracer</name>
+  </author>
+  <activity:object-type>http://activitystrea.ms/schema/1.0/activity</activity:object-type>
+  <activity:verb>http://activitystrea.ms/schema/1.0/share</activity:verb>
+  <content type="html">Overwatch rocks</content>
+  <activity:object>
+    <id>tag:overwatch.com,2017-04-27:objectId=4467137:objectType=Status</id>
+    <activity:object-type>http://activitystrea.ms/schema/1.0/note</activity:object-type>
+    <activity:verb>http://activitystrea.ms/schema/1.0/post</activity:verb>
+    <author>
+      <id>https://overwatch.com/users/tracer</id>
+      <activity:object-type>http://activitystrea.ms/schema/1.0/person</activity:object-type>
+      <uri>https://overwatch.com/users/tracer</uri>
+      <name>tracer</name>
+    </author>
+    <content type="html">Overwatch rocks</content>
+    <link rel="alternate" type="text/html" href="https://overwatch.com/users/tracer/updates/1" />
+  </activity:object>
+XML
+
+    created_statuses = subject.call(body, actor)
+
+    expect(created_statuses).to eq []
+  end
+
   it 'ignores statuses with an out-of-order delete' do
     sender = Fabricate(:account, username: 'tracer', domain: 'overwatch.com')
 
diff --git a/yarn.lock b/yarn.lock
index defd8599f8..dcf09643e0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -415,7 +415,7 @@ async@^1.5.2:
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
 
-async@^2.1.2, async@^2.1.4, async@^2.1.5, async@^2.4.1:
+async@^2.1.2, async@^2.1.4, async@^2.1.5:
   version "2.5.0"
   resolved "https://registry.yarnpkg.com/async/-/async-2.5.0.tgz#843190fd6b7357a0b9e1c956edddd5ec8462b54d"
   dependencies:
@@ -1657,7 +1657,7 @@ cheerio@^0.22.0:
     lodash.reject "^4.4.0"
     lodash.some "^4.4.0"
 
-chokidar@^1.4.3, chokidar@^1.6.0:
+chokidar@^1.4.3, chokidar@^1.6.0, chokidar@^1.7.0:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-1.7.0.tgz#798e689778151c8076b4b360e5edd28cda2bb468"
   dependencies:
@@ -2868,12 +2868,12 @@ extglob@^0.3.1:
   dependencies:
     is-extglob "^1.0.0"
 
-extract-text-webpack-plugin@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/extract-text-webpack-plugin/-/extract-text-webpack-plugin-3.0.0.tgz#90caa7907bc449f335005e3ac7532b41b00de612"
+extract-text-webpack-plugin@^2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/extract-text-webpack-plugin/-/extract-text-webpack-plugin-2.1.2.tgz#756ef4efa8155c3681833fbc34da53b941746d6c"
   dependencies:
-    async "^2.4.1"
-    loader-utils "^1.1.0"
+    async "^2.1.2"
+    loader-utils "^1.0.2"
     schema-utils "^0.3.0"
     webpack-sources "^1.0.1"
 
@@ -7328,6 +7328,14 @@ watchpack@^1.3.1:
     chokidar "^1.4.3"
     graceful-fs "^4.1.2"
 
+watchpack@^1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/watchpack/-/watchpack-1.4.0.tgz#4a1472bcbb952bd0a9bb4036801f954dfb39faac"
+  dependencies:
+    async "^2.1.2"
+    chokidar "^1.7.0"
+    graceful-fs "^4.1.2"
+
 wbuf@^1.1.0, wbuf@^1.7.2:
   version "1.7.2"
   resolved "https://registry.yarnpkg.com/wbuf/-/wbuf-1.7.2.tgz#d697b99f1f59512df2751be42769c1580b5801fe"
@@ -7425,7 +7433,7 @@ webpack-sources@^1.0.1:
     source-list-map "^2.0.0"
     source-map "~0.5.3"
 
-"webpack@^2.5.1 || ^3.0.0", webpack@^3.2.0:
+"webpack@^2.5.1 || ^3.0.0":
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/webpack/-/webpack-3.2.0.tgz#8b0cae0e1a9fd76bfbf0eab61a8c2ada848c312f"
   dependencies:
@@ -7452,6 +7460,33 @@ webpack-sources@^1.0.1:
     webpack-sources "^1.0.1"
     yargs "^6.0.0"
 
+webpack@^3.0.0:
+  version "3.3.0"
+  resolved "https://registry.yarnpkg.com/webpack/-/webpack-3.3.0.tgz#ce2f9e076566aba91f74887133a883fd7da187bc"
+  dependencies:
+    acorn "^5.0.0"
+    acorn-dynamic-import "^2.0.0"
+    ajv "^5.1.5"
+    ajv-keywords "^2.0.0"
+    async "^2.1.2"
+    enhanced-resolve "^3.3.0"
+    escope "^3.6.0"
+    interpret "^1.0.0"
+    json-loader "^0.5.4"
+    json5 "^0.5.1"
+    loader-runner "^2.3.0"
+    loader-utils "^1.1.0"
+    memory-fs "~0.4.1"
+    mkdirp "~0.5.0"
+    node-libs-browser "^2.0.0"
+    source-map "^0.5.3"
+    supports-color "^3.1.0"
+    tapable "~0.2.5"
+    uglifyjs-webpack-plugin "^0.4.6"
+    watchpack "^1.4.0"
+    webpack-sources "^1.0.1"
+    yargs "^6.0.0"
+
 websocket-driver@>=0.5.1:
   version "0.6.5"
   resolved "https://registry.yarnpkg.com/websocket-driver/-/websocket-driver-0.6.5.tgz#5cb2556ceb85f4373c6d8238aa691c8454e13a36"