Merge remote-tracking branch 'upstream/master' into dev

29 files changed, 793 insertions, 77 deletions

diff --git a/app/javascript/flavours/glitch/actions/picture_in_picture.js b/app/javascript/flavours/glitch/actions/picture_in_picture.js
new file mode 100644
index 000000000..4085cb59e
--- /dev/null
+++ b/app/javascript/flavours/glitch/actions/picture_in_picture.js
@@ -0,0 +1,38 @@
+// @ts-check
+
+export const PICTURE_IN_PICTURE_DEPLOY = 'PICTURE_IN_PICTURE_DEPLOY';
+export const PICTURE_IN_PICTURE_REMOVE = 'PICTURE_IN_PICTURE_REMOVE';
+
+/**
+ * @typedef MediaProps
+ * @property {string} src
+ * @property {boolean} muted
+ * @property {number} volume
+ * @property {number} currentTime
+ * @property {string} poster
+ * @property {string} backgroundColor
+ * @property {string} foregroundColor
+ * @property {string} accentColor
+ */
+
+/**
+ * @param {string} statusId
+ * @param {string} accountId
+ * @param {string} playerType
+ * @param {MediaProps} props
+ * @return {object}
+ */
+export const deployPictureInPicture = (statusId, accountId, playerType, props) => ({
+  type: PICTURE_IN_PICTURE_DEPLOY,
+  statusId,
+  accountId,
+  playerType,
+  props,
+});
+
+/*
+ * @return {object}
+ */
+export const removePictureInPicture = () => ({
+  type: PICTURE_IN_PICTURE_REMOVE,
+});
diff --git a/app/javascript/flavours/glitch/components/animated_number.js b/app/javascript/flavours/glitch/components/animated_number.js
index e3235e368..3cc5173dd 100644
--- a/app/javascript/flavours/glitch/components/animated_number.js
+++ b/app/javascript/flavours/glitch/components/animated_number.js
@@ -5,10 +5,21 @@ import TransitionMotion from 'react-motion/lib/TransitionMotion';
 import spring from 'react-motion/lib/spring';
 import { reduceMotion } from 'flavours/glitch/util/initial_state';
 
+const obfuscatedCount = count => {
+  if (count < 0) {
+    return 0;
+  } else if (count <= 1) {
+    return count;
+  } else {
+    return '1+';
+  }
+};
+
 export default class AnimatedNumber extends React.PureComponent {
 
   static propTypes = {
     value: PropTypes.number.isRequired,
+    obfuscate: PropTypes.bool,
   };
 
   state = {
@@ -36,11 +47,11 @@ export default class AnimatedNumber extends React.PureComponent {
   }
 
   render () {
-    const { value } = this.props;
+    const { value, obfuscate } = this.props;
     const { direction } = this.state;
 
     if (reduceMotion) {
-      return <FormattedNumber value={value} />;
+      return obfuscate ? obfuscatedCount(value) : <FormattedNumber value={value} />;
     }
 
     const styles = [{
@@ -54,7 +65,7 @@ export default class AnimatedNumber extends React.PureComponent {
         {items => (
           <span className='animated-number'>
             {items.map(({ key, data, style }) => (
-              <span key={key} style={{ position: (direction * style.y) > 0 ? 'absolute' : 'static', transform: `translateY(${style.y * 100}%)` }}><FormattedNumber value={data} /></span>
+              <span key={key} style={{ position: (direction * style.y) > 0 ? 'absolute' : 'static', transform: `translateY(${style.y * 100}%)` }}>{obfuscate ? obfuscatedCount(data) : <FormattedNumber value={data} />}</span>
             ))}
           </span>
         )}
diff --git a/app/javascript/flavours/glitch/components/icon_button.js b/app/javascript/flavours/glitch/components/icon_button.js
index e134d0a39..58d3568dd 100644
--- a/app/javascript/flavours/glitch/components/icon_button.js
+++ b/app/javascript/flavours/glitch/components/icon_button.js
@@ -4,6 +4,7 @@ import spring from 'react-motion/lib/spring';
 import PropTypes from 'prop-types';
 import classNames from 'classnames';
 import Icon from 'flavours/glitch/components/icon';
+import AnimatedNumber from 'flavours/glitch/components/animated_number';
 
 export default class IconButton extends React.PureComponent {
 
@@ -27,6 +28,8 @@ export default class IconButton extends React.PureComponent {
     overlay: PropTypes.bool,
     tabIndex: PropTypes.string,
     label: PropTypes.string,
+    counter: PropTypes.number,
+    obfuscateCount: PropTypes.bool,
   };
 
   static defaultProps = {
@@ -104,6 +107,8 @@ export default class IconButton extends React.PureComponent {
       pressed,
       tabIndex,
       title,
+      counter,
+      obfuscateCount,
     } = this.props;
 
     const {
@@ -118,8 +123,13 @@ export default class IconButton extends React.PureComponent {
       activate,
       deactivate,
       overlayed: overlay,
+      'icon-button--with-counter': typeof counter !== 'undefined',
     });
 
+    if (typeof counter !== 'undefined') {
+      style.width = 'auto';
+    }
+
     return (
       <button
         aria-label={title}
@@ -135,7 +145,7 @@ export default class IconButton extends React.PureComponent {
         tabIndex={tabIndex}
         disabled={disabled}
       >
-        <Icon id={icon} fixedWidth aria-hidden='true' />
+        <Icon id={icon} fixedWidth aria-hidden='true' /> {typeof counter !== 'undefined' && <span className='icon-button__counter'><AnimatedNumber value={counter} obfuscate={obfuscateCount} /></span>}
         {this.props.label}
       </button>
     );
diff --git a/app/javascript/flavours/glitch/components/picture_in_picture_placeholder.js b/app/javascript/flavours/glitch/components/picture_in_picture_placeholder.js
new file mode 100644
index 000000000..01dce0a38
--- /dev/null
+++ b/app/javascript/flavours/glitch/components/picture_in_picture_placeholder.js
@@ -0,0 +1,69 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import Icon from 'flavours/glitch/components/icon';
+import { removePictureInPicture } from 'flavours/glitch/actions/picture_in_picture';
+import { connect } from 'react-redux';
+import { debounce } from 'lodash';
+import { FormattedMessage } from 'react-intl';
+
+export default @connect()
+class PictureInPicturePlaceholder extends React.PureComponent {
+
+  static propTypes = {
+    width: PropTypes.number,
+    dispatch: PropTypes.func.isRequired,
+  };
+
+  state = {
+    width: this.props.width,
+    height: this.props.width && (this.props.width / (16/9)),
+  };
+
+  handleClick = () => {
+    const { dispatch } = this.props;
+    dispatch(removePictureInPicture());
+  }
+
+  setRef = c => {
+    this.node = c;
+
+    if (this.node) {
+      this._setDimensions();
+    }
+  }
+
+  _setDimensions () {
+    const width  = this.node.offsetWidth;
+    const height = width / (16/9);
+
+    this.setState({ width, height });
+  }
+
+  componentDidMount () {
+    window.addEventListener('resize', this.handleResize, { passive: true });
+  }
+
+  componentWillUnmount () {
+    window.removeEventListener('resize', this.handleResize);
+  }
+
+  handleResize = debounce(() => {
+    if (this.node) {
+      this._setDimensions();
+    }
+  }, 250, {
+    trailing: true,
+  });
+
+  render () {
+    const { height } = this.state;
+
+    return (
+      <div ref={this.setRef} className='picture-in-picture-placeholder' style={{ height }} role='button' tabIndex='0' onClick={this.handleClick}>
+        <Icon id='window-restore' />
+        <FormattedMessage id='picture_in_picture.restore' defaultMessage='Put it back' />
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/components/status.js b/app/javascript/flavours/glitch/components/status.js
index cb0e12de6..0de36ce2e 100644
--- a/app/javascript/flavours/glitch/components/status.js
+++ b/app/javascript/flavours/glitch/components/status.js
@@ -17,6 +17,7 @@ import classNames from 'classnames';
 import { autoUnfoldCW } from 'flavours/glitch/util/content_warning';
 import PollContainer from 'flavours/glitch/containers/poll_container';
 import { displayMedia } from 'flavours/glitch/util/initial_state';
+import PictureInPicturePlaceholder from 'flavours/glitch/components/picture_in_picture_placeholder';
 
 // We use the component (and not the container) since we do not want
 // to use the progress bar to show download progress
@@ -99,6 +100,8 @@ class Status extends ImmutablePureComponent {
     cachedMediaWidth: PropTypes.number,
     onClick: PropTypes.func,
     scrollKey: PropTypes.string,
+    deployPictureInPicture: PropTypes.func,
+    usingPiP: PropTypes.bool,
   };
 
   state = {
@@ -125,6 +128,7 @@ class Status extends ImmutablePureComponent {
     'hidden',
     'expanded',
     'unread',
+    'usingPiP',
   ]
 
   updateOnStates = [
@@ -396,6 +400,12 @@ class Status extends ImmutablePureComponent {
     }
   }
 
+  handleDeployPictureInPicture = (type, mediaProps) => {
+    const { deployPictureInPicture, status } = this.props;
+
+    deployPictureInPicture(status, type, mediaProps);
+  }
+
   handleHotkeyReply = e => {
     e.preventDefault();
     this.props.onReply(this.props.status, this.context.router.history);
@@ -498,6 +508,7 @@ class Status extends ImmutablePureComponent {
       hidden,
       unread,
       featured,
+      usingPiP,
       ...other
     } = this.props;
     const { isExpanded, isCollapsed, forceFilter } = this.state;
@@ -578,6 +589,9 @@ class Status extends ImmutablePureComponent {
     if (status.get('poll')) {
       media = <PollContainer pollId={status.get('poll')} />;
       mediaIcon = 'tasks';
+    } else if (usingPiP) {
+      media = <PictureInPicturePlaceholder width={this.props.cachedMediaWidth} />;
+      mediaIcon = 'video-camera';
     } else if (attachments.size > 0) {
       if (muted || attachments.some(item => item.get('type') === 'unknown')) {
         media = (
@@ -603,6 +617,7 @@ class Status extends ImmutablePureComponent {
                 width={this.props.cachedMediaWidth}
                 height={110}
                 cacheWidth={this.props.cacheMediaWidth}
+                deployPictureInPicture={this.handleDeployPictureInPicture}
               />
             )}
           </Bundle>
@@ -626,6 +641,7 @@ class Status extends ImmutablePureComponent {
               onOpenVideo={this.handleOpenVideo}
               width={this.props.cachedMediaWidth}
               cacheWidth={this.props.cacheMediaWidth}
+              deployPictureInPicture={this.handleDeployPictureInPicture}
               visible={this.state.showMedia}
               onToggleVisibility={this.handleToggleMediaVisibility}
             />)}
diff --git a/app/javascript/flavours/glitch/components/status_action_bar.js b/app/javascript/flavours/glitch/components/status_action_bar.js
index 0822239f5..b844590c0 100644
--- a/app/javascript/flavours/glitch/components/status_action_bar.js
+++ b/app/javascript/flavours/glitch/components/status_action_bar.js
@@ -42,16 +42,6 @@ const messages = defineMessages({
   hide: { id: 'status.hide', defaultMessage: 'Hide toot' },
 });
 
-const obfuscatedCount = count => {
-  if (count < 0) {
-    return 0;
-  } else if (count <= 1) {
-    return count;
-  } else {
-    return '1+';
-  }
-};
-
 export default @injectIntl
 class StatusActionBar extends ImmutablePureComponent {
 
@@ -299,10 +289,14 @@ class StatusActionBar extends ImmutablePureComponent {
     );
     if (showReplyCount) {
       replyButton = (
-        <div className='status__action-bar__counter'>
-          {replyButton}
-          <span className='status__action-bar__counter__label' >{obfuscatedCount(status.get('replies_count'))}</span>
-        </div>
+        <IconButton
+          className='status__action-bar-button'
+          title={replyTitle}
+          icon={replyIcon}
+          onClick={this.handleReplyClick}
+          counter={status.get('replies_count')}
+          obfuscateCount
+        />
       );
     }
 
diff --git a/app/javascript/flavours/glitch/containers/status_container.js b/app/javascript/flavours/glitch/containers/status_container.js
index bccaba92d..85bedb787 100644
--- a/app/javascript/flavours/glitch/containers/status_container.js
+++ b/app/javascript/flavours/glitch/containers/status_container.js
@@ -22,6 +22,7 @@ import { initMuteModal } from 'flavours/glitch/actions/mutes';
 import { initBlockModal } from 'flavours/glitch/actions/blocks';
 import { initReport } from 'flavours/glitch/actions/reports';
 import { openModal } from 'flavours/glitch/actions/modal';
+import { deployPictureInPicture } from 'flavours/glitch/actions/picture_in_picture';
 import { changeLocalSetting } from 'flavours/glitch/actions/local_settings';
 import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
 import { boostModal, favouriteModal, deleteModal } from 'flavours/glitch/util/initial_state';
@@ -71,6 +72,7 @@ const makeMapStateToProps = () => {
       account     : account || props.account,
       settings    : state.get('local_settings'),
       prepend     : prepend || props.prepend,
+      usingPiP    : state.get('picture_in_picture').statusId === props.id,
     };
   };
 
@@ -259,6 +261,14 @@ const mapDispatchToProps = (dispatch, { intl, contextType }) => ({
     }
   },
 
+  deployPictureInPicture (status, type, mediaProps) {
+    dispatch((_, getState) => {
+      if (getState().getIn(['local_settings', 'media', 'pop_in_player'])) {
+        dispatch(deployPictureInPicture(status.get('id'), status.getIn(['account', 'id']), type, mediaProps));
+      }
+    });
+  },
+
 });
 
 export default injectIntl(connect(makeMapStateToProps, mapDispatchToProps)(Status));
diff --git a/app/javascript/flavours/glitch/features/audio/index.js b/app/javascript/flavours/glitch/features/audio/index.js
index 7a2fb7fb6..6d09ac8d2 100644
--- a/app/javascript/flavours/glitch/features/audio/index.js
+++ b/app/javascript/flavours/glitch/features/audio/index.js
@@ -37,7 +37,11 @@ class Audio extends React.PureComponent {
     backgroundColor: PropTypes.string,
     foregroundColor: PropTypes.string,
     accentColor: PropTypes.string,
+    currentTime: PropTypes.number,
     autoPlay: PropTypes.bool,
+    volume: PropTypes.number,
+    muted: PropTypes.bool,
+    deployPictureInPicture: PropTypes.func,
   };
 
   state = {
@@ -64,6 +68,19 @@ class Audio extends React.PureComponent {
     }
   }
 
+  _pack() {
+    return {
+      src: this.props.src,
+      volume: this.audio.volume,
+      muted: this.audio.muted,
+      currentTime: this.audio.currentTime,
+      poster: this.props.poster,
+      backgroundColor: this.props.backgroundColor,
+      foregroundColor: this.props.foregroundColor,
+      accentColor: this.props.accentColor,
+    };
+  }
+
   _setDimensions () {
     const width  = this.player.offsetWidth;
     const height = this.props.fullscreen ? this.player.offsetHeight : (width / (16/9));
@@ -100,6 +117,7 @@ class Audio extends React.PureComponent {
   }
  
   componentDidMount () {
+    window.addEventListener('scroll', this.handleScroll);
     window.addEventListener('resize', this.handleResize, { passive: true });
   }
 
@@ -115,7 +133,12 @@ class Audio extends React.PureComponent {
   }
 
   componentWillUnmount () {
+    window.removeEventListener('scroll', this.handleScroll);
     window.removeEventListener('resize', this.handleResize);
+
+    if (!this.state.paused && this.audio && this.props.deployPictureInPicture) {
+      this.props.deployPictureInPicture('audio', this._pack());
+    }
   }
 
   togglePlay = () => {
@@ -243,6 +266,25 @@ class Audio extends React.PureComponent {
     }
   }, 15);
 
+  handleScroll = throttle(() => {
+    if (!this.canvas || !this.audio) {
+      return;
+    }
+
+    const { top, height } = this.canvas.getBoundingClientRect();
+    const inView = (top <= (window.innerHeight || document.documentElement.clientHeight)) && (top + height >= 0);
+
+    if (!this.state.paused && !inView) {
+      this.audio.pause();
+
+      if (this.props.deployPictureInPicture) {
+        this.props.deployPictureInPicture('audio', this._pack());
+      }
+
+      this.setState({ paused: true });
+    }
+  }, 150, { trailing: true });
+
   handleMouseEnter = () => {
     this.setState({ hovered: true });
   }
@@ -252,10 +294,22 @@ class Audio extends React.PureComponent {
   }
 
   handleLoadedData = () => {
-    const { autoPlay } = this.props;
+    const { autoPlay, currentTime, volume, muted } = this.props;
+
+    if (currentTime) {
+      this.audio.currentTime = currentTime;
+    }
+
+    if (volume !== undefined) {
+      this.audio.volume = volume;
+    }
+
+    if (muted !== undefined) {
+      this.audio.muted = muted;
+    }
 
     if (autoPlay) {
-      this.audio.play();
+      this.togglePlay();
     }
   }
 
@@ -341,7 +395,7 @@ class Audio extends React.PureComponent {
   render () {
     const { src, intl, alt, editable, autoPlay } = this.props;
     const { paused, muted, volume, currentTime, duration, buffer, dragging } = this.state;
-    const progress = (currentTime / duration) * 100;
+    const progress = Math.min((currentTime / duration) * 100, 100);
 
     return (
       <div className={classNames('audio-player', { editable })} ref={this.setPlayerRef} style={{ backgroundColor: this._getBackgroundColor(), color: this._getForegroundColor(), width: '100%', height: this.props.fullscreen ? '100%' : (this.state.height || this.props.height) }} onMouseEnter={this.handleMouseEnter} onMouseLeave={this.handleMouseLeave}>
diff --git a/app/javascript/flavours/glitch/features/local_settings/page/index.js b/app/javascript/flavours/glitch/features/local_settings/page/index.js
index 0b3428027..3af6cbdf6 100644
--- a/app/javascript/flavours/glitch/features/local_settings/page/index.js
+++ b/app/javascript/flavours/glitch/features/local_settings/page/index.js
@@ -28,6 +28,8 @@ const messages = defineMessages({
   rewrite_mentions_no: { id: 'settings.rewrite_mentions_no', defaultMessage: 'Do not rewrite mentions' },
   rewrite_mentions_acct: { id: 'settings.rewrite_mentions_acct', defaultMessage: 'Rewrite with username and domain (when the account is remote)' },
   rewrite_mentions_username: { id: 'settings.rewrite_mentions_username', defaultMessage:  'Rewrite with username' },
+  pop_in_left: { id: 'settings.pop_in_left', defaultMessage: 'Left' },
+  pop_in_right: { id: 'settings.pop_in_right', defaultMessage:  'Right' },
 });
 
 export default @injectIntl
@@ -111,6 +113,14 @@ class LocalSettingsPage extends React.PureComponent {
             <FormattedMessage id='settings.notifications.favicon_badge' defaultMessage='Unread notifications favicon badge' />
             <span className='hint'><FormattedMessage id='settings.notifications.favicon_badge.hint' defaultMessage="Add a badge for unread notifications to the favicon" /></span>
           </LocalSettingsPageItem>
+          <LocalSettingsPageItem
+            settings={settings}
+            item={['notifications', 'show_unread']}
+            id='mastodon-settings--notifications-show_unread'
+            onChange={onChange}
+          >
+            <FormattedMessage id='settings.notifications.show_unread' defaultMessage='Show unread marker' />
+          </LocalSettingsPageItem>
         </section>
         <section>
           <h2><FormattedMessage id='settings.layout_opts' defaultMessage='Layout options' /></h2>
@@ -384,7 +394,7 @@ class LocalSettingsPage extends React.PureComponent {
         </section>
       </div>
     ),
-    ({ onChange, settings }) => (
+    ({ intl, onChange, settings }) => (
       <div className='glitch local-settings__page media'>
         <h1><FormattedMessage id='settings.media' defaultMessage='Media' /></h1>
         <LocalSettingsPageItem
@@ -420,6 +430,27 @@ class LocalSettingsPage extends React.PureComponent {
         >
           <FormattedMessage id='settings.media_reveal_behind_cw' defaultMessage='Reveal sensitive media behind a CW by default' />
         </LocalSettingsPageItem>
+        <LocalSettingsPageItem
+          settings={settings}
+          item={['media', 'pop_in_player']}
+          id='mastodon-settings--pop-in-player'
+          onChange={onChange}
+        >
+          <FormattedMessage id='settings.pop_in_player' defaultMessage='Enable pop-in player' />
+        </LocalSettingsPageItem>
+        <LocalSettingsPageItem
+          settings={settings}
+          item={['media', 'pop_in_position']}
+          id='mastodon-settings--pop-in-position'
+          options={[
+            { value: 'left', message: intl.formatMessage(messages.pop_in_left) },
+            { value: 'right', message: intl.formatMessage(messages.pop_in_right) },
+          ]}
+          onChange={onChange}
+          dependsOn={[['media', 'pop_in_player']]}
+        >
+          <FormattedMessage id='settings.pop_in_position' defaultMessage='Pop-in player position:' />
+        </LocalSettingsPageItem>
       </div>
     ),
   ];
diff --git a/app/javascript/flavours/glitch/features/notifications/index.js b/app/javascript/flavours/glitch/features/notifications/index.js
index af928594d..97434b586 100644
--- a/app/javascript/flavours/glitch/features/notifications/index.js
+++ b/app/javascript/flavours/glitch/features/notifications/index.js
@@ -61,8 +61,8 @@ const mapStateToProps = state => ({
   hasMore: state.getIn(['notifications', 'hasMore']),
   numPending: state.getIn(['notifications', 'pendingItems'], ImmutableList()).size,
   notifCleaningActive: state.getIn(['notifications', 'cleaningMode']),
-  lastReadId: state.getIn(['notifications', 'readMarkerId']),
-  canMarkAsRead: state.getIn(['notifications', 'readMarkerId']) !== '0' && getNotifications(state).some(item => item !== null && compareId(item.get('id'), state.getIn(['notifications', 'readMarkerId'])) > 0),
+  lastReadId: state.getIn(['local_settings', 'notifications', 'show_unread']) ? state.getIn(['notifications', 'readMarkerId']) : '0',
+  canMarkAsRead: state.getIn(['local_settings', 'notifications', 'show_unread']) && state.getIn(['notifications', 'readMarkerId']) !== '0' && getNotifications(state).some(item => item !== null && compareId(item.get('id'), state.getIn(['notifications', 'readMarkerId'])) > 0),
   needsNotificationPermission: state.getIn(['settings', 'notifications', 'alerts']).includes(true) && state.getIn(['notifications', 'browserSupport']) && state.getIn(['notifications', 'browserPermission']) === 'default',
 });
 
diff --git a/app/javascript/flavours/glitch/features/picture_in_picture/components/footer.js b/app/javascript/flavours/glitch/features/picture_in_picture/components/footer.js
new file mode 100644
index 000000000..2ddba140e
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/picture_in_picture/components/footer.js
@@ -0,0 +1,162 @@
+import React from 'react';
+import { connect } from 'react-redux';
+import ImmutablePureComponent from 'react-immutable-pure-component';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import PropTypes from 'prop-types';
+import IconButton from 'flavours/glitch/components/icon_button';
+import classNames from 'classnames';
+import { me, boostModal } from 'flavours/glitch/util/initial_state';
+import { defineMessages, injectIntl } from 'react-intl';
+import { replyCompose } from 'flavours/glitch/actions/compose';
+import { reblog, favourite, unreblog, unfavourite } from 'flavours/glitch/actions/interactions';
+import { makeGetStatus } from 'flavours/glitch/selectors';
+import { openModal } from 'flavours/glitch/actions/modal';
+
+const messages = defineMessages({
+  reply: { id: 'status.reply', defaultMessage: 'Reply' },
+  replyAll: { id: 'status.replyAll', defaultMessage: 'Reply to thread' },
+  reblog: { id: 'status.reblog', defaultMessage: 'Boost' },
+  reblog_private: { id: 'status.reblog_private', defaultMessage: 'Boost with original visibility' },
+  cancel_reblog_private: { id: 'status.cancel_reblog_private', defaultMessage: 'Unboost' },
+  cannot_reblog: { id: 'status.cannot_reblog', defaultMessage: 'This post cannot be boosted' },
+  favourite: { id: 'status.favourite', defaultMessage: 'Favourite' },
+  replyConfirm: { id: 'confirmations.reply.confirm', defaultMessage: 'Reply' },
+  replyMessage: { id: 'confirmations.reply.message', defaultMessage: 'Replying now will overwrite the message you are currently composing. Are you sure you want to proceed?' },
+});
+
+const makeMapStateToProps = () => {
+  const getStatus = makeGetStatus();
+
+  const mapStateToProps = (state, { statusId }) => ({
+    status: getStatus(state, { id: statusId }),
+    askReplyConfirmation: state.getIn(['compose', 'text']).trim().length !== 0,
+    showReplyCount: state.getIn(['local_settings', 'show_reply_count']),
+  });
+
+  return mapStateToProps;
+};
+
+export default @connect(makeMapStateToProps)
+@injectIntl
+class Footer extends ImmutablePureComponent {
+
+  static contextTypes = {
+    router: PropTypes.object,
+  };
+
+  static propTypes = {
+    statusId: PropTypes.string.isRequired,
+    status: ImmutablePropTypes.map.isRequired,
+    intl: PropTypes.object.isRequired,
+    dispatch: PropTypes.func.isRequired,
+    askReplyConfirmation: PropTypes.bool,
+    showReplyCount: PropTypes.bool,
+  };
+
+  _performReply = () => {
+    const { dispatch, status } = this.props;
+    dispatch(replyCompose(status, this.context.router.history));
+  };
+
+  handleReplyClick = () => {
+    const { dispatch, askReplyConfirmation, intl } = this.props;
+
+    if (askReplyConfirmation) {
+      dispatch(openModal('CONFIRM', {
+        message: intl.formatMessage(messages.replyMessage),
+        confirm: intl.formatMessage(messages.replyConfirm),
+        onConfirm: this._performReply,
+      }));
+    } else {
+      this._performReply();
+    }
+  };
+
+  handleFavouriteClick = () => {
+    const { dispatch, status } = this.props;
+
+    if (status.get('favourited')) {
+      dispatch(unfavourite(status));
+    } else {
+      dispatch(favourite(status));
+    }
+  };
+
+  _performReblog = () => {
+    const { dispatch, status } = this.props;
+    dispatch(reblog(status));
+  }
+
+  handleReblogClick = e => {
+    const { dispatch, status } = this.props;
+
+    if (status.get('reblogged')) {
+      dispatch(unreblog(status));
+    } else if ((e && e.shiftKey) || !boostModal) {
+      this._performReblog();
+    } else {
+      dispatch(openModal('BOOST', { status, onReblog: this._performReblog }));
+    }
+  };
+
+  render () {
+    const { status, intl, showReplyCount } = this.props;
+
+    const publicStatus  = ['public', 'unlisted'].includes(status.get('visibility'));
+    const reblogPrivate = status.getIn(['account', 'id']) === me && status.get('visibility') === 'private';
+
+    let replyIcon, replyTitle;
+
+    if (status.get('in_reply_to_id', null) === null) {
+      replyIcon = 'reply';
+      replyTitle = intl.formatMessage(messages.reply);
+    } else {
+      replyIcon = 'reply-all';
+      replyTitle = intl.formatMessage(messages.replyAll);
+    }
+
+    let reblogTitle = '';
+
+    if (status.get('reblogged')) {
+      reblogTitle = intl.formatMessage(messages.cancel_reblog_private);
+    } else if (publicStatus) {
+      reblogTitle = intl.formatMessage(messages.reblog);
+    } else if (reblogPrivate) {
+      reblogTitle = intl.formatMessage(messages.reblog_private);
+    } else {
+      reblogTitle = intl.formatMessage(messages.cannot_reblog);
+    }
+
+    let replyButton = null;
+    if (showReplyCount) {
+      replyButton = (
+        <IconButton
+          className='status__action-bar-button'
+          title={replyTitle}
+          icon={status.get('in_reply_to_account_id') === status.getIn(['account', 'id']) ? 'reply' : replyIcon}
+          onClick={this.handleReplyClick}
+          counter={status.get('replies_count')}
+          obfuscateCount
+        />
+      );
+    } else {
+      replyButton = (
+        <IconButton
+          className='status__action-bar-button'
+          title={replyTitle}
+          icon={status.get('in_reply_to_account_id') === status.getIn(['account', 'id']) ? 'reply' : replyIcon}
+          onClick={this.handleReplyClick}
+        />
+      );
+    }
+
+    return (
+      <div className='picture-in-picture__footer'>
+        {replyButton}
+        <IconButton className={classNames('status__action-bar-button', { reblogPrivate })} disabled={!publicStatus && !reblogPrivate}  active={status.get('reblogged')} pressed={status.get('reblogged')} title={reblogTitle} icon='retweet' onClick={this.handleReblogClick} counter={status.get('reblogs_count')} />
+        <IconButton className='status__action-bar-button star-icon' animate active={status.get('favourited')} pressed={status.get('favourited')} title={intl.formatMessage(messages.favourite)} icon='star' onClick={this.handleFavouriteClick} counter={status.get('favourites_count')} />
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/picture_in_picture/components/header.js b/app/javascript/flavours/glitch/features/picture_in_picture/components/header.js
new file mode 100644
index 000000000..24adcde25
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/picture_in_picture/components/header.js
@@ -0,0 +1,40 @@
+import React from 'react';
+import { connect } from 'react-redux';
+import ImmutablePureComponent from 'react-immutable-pure-component';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import PropTypes from 'prop-types';
+import IconButton from 'flavours/glitch/components/icon_button';
+import { Link } from 'react-router-dom';
+import Avatar from 'flavours/glitch/components/avatar';
+import DisplayName from 'flavours/glitch/components/display_name';
+
+const mapStateToProps = (state, { accountId }) => ({
+  account: state.getIn(['accounts', accountId]),
+});
+
+export default @connect(mapStateToProps)
+class Header extends ImmutablePureComponent {
+
+  static propTypes = {
+    accountId: PropTypes.string.isRequired,
+    statusId: PropTypes.string.isRequired,
+    account: ImmutablePropTypes.map.isRequired,
+    onClose: PropTypes.func.isRequired,
+  };
+
+  render () {
+    const { account, statusId, onClose } = this.props;
+
+    return (
+      <div className='picture-in-picture__header'>
+        <Link to={`/statuses/${statusId}`} className='picture-in-picture__header__account'>
+          <Avatar account={account} size={36} />
+          <DisplayName account={account} />
+        </Link>
+
+        <IconButton icon='times' onClick={onClose} title='Close' />
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/picture_in_picture/index.js b/app/javascript/flavours/glitch/features/picture_in_picture/index.js
new file mode 100644
index 000000000..3e6a20faa
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/picture_in_picture/index.js
@@ -0,0 +1,88 @@
+import React from 'react';
+import { connect } from 'react-redux';
+import PropTypes from 'prop-types';
+import Video from 'flavours/glitch/features/video';
+import Audio from 'flavours/glitch/features/audio';
+import { removePictureInPicture } from 'flavours/glitch/actions/picture_in_picture';
+import Header from './components/header';
+import Footer from './components/footer';
+import classNames from 'classnames';
+
+const mapStateToProps = state => ({
+  ...state.get('picture_in_picture'),
+  left: state.getIn(['local_settings', 'media', 'pop_in_position']) === 'left',
+});
+
+export default @connect(mapStateToProps)
+class PictureInPicture extends React.Component {
+
+  static propTypes = {
+    statusId: PropTypes.string,
+    accountId: PropTypes.string,
+    type: PropTypes.string,
+    src: PropTypes.string,
+    muted: PropTypes.bool,
+    volume: PropTypes.number,
+    currentTime: PropTypes.number,
+    poster: PropTypes.string,
+    backgroundColor: PropTypes.string,
+    foregroundColor: PropTypes.string,
+    accentColor: PropTypes.string,
+    dispatch: PropTypes.func.isRequired,
+    left: PropTypes.bool,
+  };
+
+  handleClose = () => {
+    const { dispatch } = this.props;
+    dispatch(removePictureInPicture());
+  }
+
+  render () {
+    const { type, src, currentTime, accountId, statusId, left } = this.props;
+
+    if (!currentTime) {
+      return null;
+    }
+
+    let player;
+
+    if (type === 'video') {
+      player = (
+        <Video
+          src={src}
+          currentTime={this.props.currentTime}
+          volume={this.props.volume}
+          muted={this.props.muted}
+          autoPlay
+          inline
+          alwaysVisible
+        />
+      );
+    } else if (type === 'audio') {
+      player = (
+        <Audio
+          src={src}
+          currentTime={this.props.currentTime}
+          volume={this.props.volume}
+          muted={this.props.muted}
+          poster={this.props.poster}
+          backgroundColor={this.props.backgroundColor}
+          foregroundColor={this.props.foregroundColor}
+          accentColor={this.props.accentColor}
+          autoPlay
+        />
+      );
+    }
+
+    return (
+      <div className={classNames('picture-in-picture', { left })}>
+        <Header accountId={accountId} statusId={statusId} onClose={this.handleClose} />
+
+        {player}
+
+        <Footer statusId={statusId} />
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/status/components/detailed_status.js b/app/javascript/flavours/glitch/features/status/components/detailed_status.js
index 4344e9cce..d03a425eb 100644
--- a/app/javascript/flavours/glitch/features/status/components/detailed_status.js
+++ b/app/javascript/flavours/glitch/features/status/components/detailed_status.js
@@ -18,6 +18,7 @@ import classNames from 'classnames';
 import PollContainer from 'flavours/glitch/containers/poll_container';
 import Icon from 'flavours/glitch/components/icon';
 import { me } from 'flavours/glitch/util/initial_state';
+import PictureInPicturePlaceholder from 'flavours/glitch/components/picture_in_picture_placeholder';
 
 export default class DetailedStatus extends ImmutablePureComponent {
 
@@ -37,6 +38,7 @@ export default class DetailedStatus extends ImmutablePureComponent {
     domain: PropTypes.string.isRequired,
     compact: PropTypes.bool,
     showMedia: PropTypes.bool,
+    usingPiP: PropTypes.bool,
     onToggleMediaVisibility: PropTypes.func,
   };
 
@@ -109,7 +111,7 @@ export default class DetailedStatus extends ImmutablePureComponent {
 
   render () {
     const status = (this.props.status && this.props.status.get('reblog')) ? this.props.status.get('reblog') : this.props.status;
-    const { expanded, onToggleHidden, settings } = this.props;
+    const { expanded, onToggleHidden, settings, usingPiP } = this.props;
     const outerStyle = { boxSizing: 'border-box' };
     const { compact } = this.props;
 
@@ -131,6 +133,9 @@ export default class DetailedStatus extends ImmutablePureComponent {
     if (status.get('poll')) {
       media = <PollContainer pollId={status.get('poll')} />;
       mediaIcon = 'tasks';
+    } else if (usingPiP) {
+      media = <PictureInPicturePlaceholder />;
+      mediaIcon = 'video-camera';
     } else if (status.get('media_attachments').size > 0) {
       if (status.get('media_attachments').some(item => item.get('type') === 'unknown')) {
         media = <AttachmentList media={status.get('media_attachments')} />;
diff --git a/app/javascript/flavours/glitch/features/status/index.js b/app/javascript/flavours/glitch/features/status/index.js
index 3a6847e8d..74d51f8f8 100644
--- a/app/javascript/flavours/glitch/features/status/index.js
+++ b/app/javascript/flavours/glitch/features/status/index.js
@@ -134,6 +134,7 @@ const makeMapStateToProps = () => {
       settings: state.get('local_settings'),
       askReplyConfirmation: state.getIn(['local_settings', 'confirm_before_clearing_draft']) && state.getIn(['compose', 'text']).trim().length !== 0,
       domain: state.getIn(['meta', 'domain']),
+      usingPiP: state.get('picture_in_picture').statusId === props.params.statusId,
     };
   };
 
@@ -159,6 +160,7 @@ class Status extends ImmutablePureComponent {
     askReplyConfirmation: PropTypes.bool,
     multiColumn: PropTypes.bool,
     domain: PropTypes.string.isRequired,
+    usingPiP: PropTypes.bool,
   };
 
   state = {
@@ -530,7 +532,7 @@ class Status extends ImmutablePureComponent {
   render () {
     let ancestors, descendants;
     const { setExpansion } = this;
-    const { status, settings, ancestorsIds, descendantsIds, intl, domain, multiColumn } = this.props;
+    const { status, settings, ancestorsIds, descendantsIds, intl, domain, multiColumn, usingPiP } = this.props;
     const { fullscreen, isExpanded } = this.state;
 
     if (status === null) {
@@ -594,6 +596,7 @@ class Status extends ImmutablePureComponent {
                   domain={domain}
                   showMedia={this.state.showMedia}
                   onToggleMediaVisibility={this.handleToggleMediaVisibility}
+                  usingPiP={usingPiP}
                 />
 
                 <ActionBar
diff --git a/app/javascript/flavours/glitch/features/ui/components/media_modal.js b/app/javascript/flavours/glitch/features/ui/components/media_modal.js
index 23e8dac7e..aa6554107 100644
--- a/app/javascript/flavours/glitch/features/ui/components/media_modal.js
+++ b/app/javascript/flavours/glitch/features/ui/components/media_modal.js
@@ -140,7 +140,7 @@ class MediaModal extends ImmutablePureComponent {
             src={image.get('url')}
             width={image.get('width')}
             height={image.get('height')}
-            startTime={time || 0}
+            currentTime={time || 0}
             onCloseVideo={onClose}
             detailed
             alt={image.get('description')}
diff --git a/app/javascript/flavours/glitch/features/ui/components/video_modal.js b/app/javascript/flavours/glitch/features/ui/components/video_modal.js
index afeff90a4..c8d2a81b0 100644
--- a/app/javascript/flavours/glitch/features/ui/components/video_modal.js
+++ b/app/javascript/flavours/glitch/features/ui/components/video_modal.js
@@ -42,9 +42,9 @@ export default class VideoModal extends ImmutablePureComponent {
             preview={media.get('preview_url')}
             blurhash={media.get('blurhash')}
             src={media.get('url')}
-            startTime={options.startTime}
+            currentTime={options.startTime}
             autoPlay={options.autoPlay}
-            defaultVolume={options.defaultVolume}
+            volume={options.defaultVolume}
             onCloseVideo={onClose}
             detailed
             alt={media.get('description')}
diff --git a/app/javascript/flavours/glitch/features/ui/index.js b/app/javascript/flavours/glitch/features/ui/index.js
index 9b4e99905..fa18f84b3 100644
--- a/app/javascript/flavours/glitch/features/ui/index.js
+++ b/app/javascript/flavours/glitch/features/ui/index.js
@@ -19,6 +19,7 @@ import PermaLink from 'flavours/glitch/components/permalink';
 import ColumnsAreaContainer from './containers/columns_area_container';
 import classNames from 'classnames';
 import Favico from 'favico.js';
+import PictureInPicture from 'flavours/glitch/features/picture_in_picture';
 import {
   Compose,
   Status,
@@ -616,6 +617,7 @@ class UI extends React.Component {
             {children}
           </SwitchingColumnsArea>
 
+          <PictureInPicture />
           <NotificationsContainer />
           <LoadingBarContainer className='loading-bar' />
           <ModalContainer />
diff --git a/app/javascript/flavours/glitch/features/video/index.js b/app/javascript/flavours/glitch/features/video/index.js
index cc60a0d2e..95bee1331 100644
--- a/app/javascript/flavours/glitch/features/video/index.js
+++ b/app/javascript/flavours/glitch/features/video/index.js
@@ -103,7 +103,7 @@ class Video extends React.PureComponent {
     width: PropTypes.number,
     height: PropTypes.number,
     sensitive: PropTypes.bool,
-    startTime: PropTypes.number,
+    currentTime: PropTypes.number,
     onOpenVideo: PropTypes.func,
     onCloseVideo: PropTypes.func,
     letterbox: PropTypes.bool,
@@ -111,15 +111,18 @@ class Video extends React.PureComponent {
     detailed: PropTypes.bool,
     inline: PropTypes.bool,
     editable: PropTypes.bool,
+    alwaysVisible: PropTypes.bool,
     cacheWidth: PropTypes.func,
     intl: PropTypes.object.isRequired,
     visible: PropTypes.bool,
     onToggleVisibility: PropTypes.func,
+    deployPictureInPicture: PropTypes.func,
     preventPlayback: PropTypes.bool,
     blurhash: PropTypes.string,
     link: PropTypes.node,
     autoPlay: PropTypes.bool,
-    defaultVolume: PropTypes.number,
+    volume: PropTypes.number,
+    muted: PropTypes.bool,
   };
 
   state = {
@@ -298,16 +301,27 @@ class Video extends React.PureComponent {
     document.addEventListener('mozfullscreenchange', this.handleFullscreenChange, true);
     document.addEventListener('MSFullscreenChange', this.handleFullscreenChange, true);
 
+    window.addEventListener('scroll', this.handleScroll);
     window.addEventListener('resize', this.handleResize, { passive: true });
   }
 
   componentWillUnmount () {
+    window.removeEventListener('scroll', this.handleScroll);
     window.removeEventListener('resize', this.handleResize);
 
     document.removeEventListener('fullscreenchange', this.handleFullscreenChange, true);
     document.removeEventListener('webkitfullscreenchange', this.handleFullscreenChange, true);
     document.removeEventListener('mozfullscreenchange', this.handleFullscreenChange, true);
     document.removeEventListener('MSFullscreenChange', this.handleFullscreenChange, true);
+
+    if (!this.state.paused && this.video && this.props.deployPictureInPicture) {
+      this.props.deployPictureInPicture('video', {
+        src: this.props.src,
+        currentTime: this.video.currentTime,
+        muted: this.video.muted,
+        volume: this.video.volume,
+      });
+    }
   }
 
   componentDidUpdate (prevProps) {
@@ -330,6 +344,30 @@ class Video extends React.PureComponent {
     trailing: true,
   });
 
+  handleScroll = throttle(() => {
+    if (!this.video) {
+      return;
+    }
+
+    const { top, height } = this.video.getBoundingClientRect();
+    const inView = (top <= (window.innerHeight || document.documentElement.clientHeight)) && (top + height >= 0);
+
+    if (!this.state.paused && !inView) {
+      this.video.pause();
+
+      if (this.props.deployPictureInPicture) {
+        this.props.deployPictureInPicture('video', {
+          src: this.props.src,
+          currentTime: this.video.currentTime,
+          muted: this.video.muted,
+          volume: this.video.volume,
+        });
+      }
+
+      this.setState({ paused: true });
+    }
+  }, 150, { trailing: true })
+
   handleFullscreenChange = () => {
     this.setState({ fullscreen: isFullscreen() });
   }
@@ -360,15 +398,21 @@ class Video extends React.PureComponent {
   }
 
   handleLoadedData = () => {
-    if (this.props.startTime) {
-      this.video.currentTime = this.props.startTime;
+    const { currentTime, volume, muted, autoPlay } = this.props;
+
+    if (currentTime) {
+      this.video.currentTime = currentTime;
+    }
+
+    if (volume !== undefined) {
+      this.video.volume = volume;
     }
 
-    if (this.props.defaultVolume !== undefined) {
-      this.video.volume = this.props.defaultVolume;
+    if (muted !== undefined) {
+      this.video.muted = muted;
     }
 
-    if (this.props.autoPlay) {
+    if (autoPlay) {
       this.video.play();
     }
   }
@@ -413,9 +457,9 @@ class Video extends React.PureComponent {
   }
 
   render () {
-    const { preview, src, inline, startTime, onOpenVideo, onCloseVideo, intl, alt, letterbox, fullwidth, detailed, sensitive, link, editable, blurhash } = this.props;
+    const { preview, src, inline, onOpenVideo, onCloseVideo, intl, alt, letterbox, fullwidth, detailed, sensitive, link, editable, blurhash } = this.props;
     const { containerWidth, currentTime, duration, volume, buffer, dragging, paused, fullscreen, hovered, muted, revealed } = this.state;
-    const progress = (currentTime / duration) * 100;
+    const progress = Math.min((currentTime / duration) * 100, 100);
     const playerStyle = {};
 
     const computedClass = classNames('video-player', { inactive: !revealed, detailed, inline: inline && !fullscreen, fullscreen, editable, letterbox, 'full-width': fullwidth });
@@ -440,7 +484,7 @@ class Video extends React.PureComponent {
 
     let preload;
 
-    if (startTime || fullscreen || dragging) {
+    if (this.props.currentTime || fullscreen || dragging) {
       preload = 'auto';
     } else if (detailed) {
       preload = 'metadata';
@@ -532,7 +576,7 @@ class Video extends React.PureComponent {
             </div>
 
             <div className='video-player__buttons right'>
-              {(!onCloseVideo && !editable && !fullscreen) && <button type='button' title={intl.formatMessage(messages.hide)} aria-label={intl.formatMessage(messages.hide)} onClick={this.toggleReveal}><Icon id='eye-slash' fixedWidth /></button>}
+              {(!onCloseVideo && !editable && !fullscreen && !this.props.alwaysVisible) && <button type='button' title={intl.formatMessage(messages.hide)} aria-label={intl.formatMessage(messages.hide)} onClick={this.toggleReveal}><Icon id='eye-slash' fixedWidth /></button>}
               {(!fullscreen && onOpenVideo) && <button type='button' title={intl.formatMessage(messages.expand)} aria-label={intl.formatMessage(messages.expand)} onClick={this.handleOpenVideo}><Icon id='expand' fixedWidth /></button>}
               {onCloseVideo && <button type='button' title={intl.formatMessage(messages.close)} aria-label={intl.formatMessage(messages.close)} onClick={this.handleCloseVideo}><Icon id='compress' fixedWidth /></button>}
               <button type='button' title={intl.formatMessage(fullscreen ? messages.exit_fullscreen : messages.fullscreen)} aria-label={intl.formatMessage(fullscreen ? messages.exit_fullscreen : messages.fullscreen)} onClick={this.toggleFullscreen}><Icon id={fullscreen ? 'compress' : 'arrows-alt'} fixedWidth /></button>
diff --git a/app/javascript/flavours/glitch/reducers/index.js b/app/javascript/flavours/glitch/reducers/index.js
index cadbd01a3..b1ddb769e 100644
--- a/app/javascript/flavours/glitch/reducers/index.js
+++ b/app/javascript/flavours/glitch/reducers/index.js
@@ -38,6 +38,7 @@ import trends from './trends';
 import announcements from './announcements';
 import markers from './markers';
 import account_notes from './account_notes';
+import picture_in_picture from './picture_in_picture';
 
 const reducers = {
   announcements,
@@ -79,6 +80,7 @@ const reducers = {
   trends,
   markers,
   account_notes,
+  picture_in_picture,
 };
 
 export default combineReducers(reducers);
diff --git a/app/javascript/flavours/glitch/reducers/local_settings.js b/app/javascript/flavours/glitch/reducers/local_settings.js
index 9f383abae..53360b8f0 100644
--- a/app/javascript/flavours/glitch/reducers/local_settings.js
+++ b/app/javascript/flavours/glitch/reducers/local_settings.js
@@ -49,10 +49,13 @@ const initialState = ImmutableMap({
     letterbox        : true,
     fullwidth        : true,
     reveal_behind_cw : false,
+    pop_in_player    : true,
+    pop_in_position  : 'right',
   }),
   notifications : ImmutableMap({
     favicon_badge : true,
     tab_badge     : true,
+    show_unread   : true,
   }),
 });
 
diff --git a/app/javascript/flavours/glitch/reducers/picture_in_picture.js b/app/javascript/flavours/glitch/reducers/picture_in_picture.js
new file mode 100644
index 000000000..f552a59c2
--- /dev/null
+++ b/app/javascript/flavours/glitch/reducers/picture_in_picture.js
@@ -0,0 +1,22 @@
+import { PICTURE_IN_PICTURE_DEPLOY, PICTURE_IN_PICTURE_REMOVE } from 'flavours/glitch/actions/picture_in_picture';
+
+const initialState = {
+  statusId: null,
+  accountId: null,
+  type: null,
+  src: null,
+  muted: false,
+  volume: 0,
+  currentTime: 0,
+};
+
+export default function pictureInPicture(state = initialState, action) {
+  switch(action.type) {
+  case PICTURE_IN_PICTURE_DEPLOY:
+    return { statusId: action.statusId, accountId: action.accountId, type: action.playerType, ...action.props };
+  case PICTURE_IN_PICTURE_REMOVE:
+    return { ...initialState };
+  default:
+    return state;
+  }
+};
diff --git a/app/javascript/flavours/glitch/reducers/user_lists.js b/app/javascript/flavours/glitch/reducers/user_lists.js
index 202f9198f..bfddbd246 100644
--- a/app/javascript/flavours/glitch/reducers/user_lists.js
+++ b/app/javascript/flavours/glitch/reducers/user_lists.js
@@ -53,14 +53,20 @@ import {
 } from 'flavours/glitch/actions/directory';
 import { Map as ImmutableMap, List as ImmutableList } from 'immutable';
 
+const initialListState = ImmutableMap({
+  next: null,
+  isLoading: false,
+  items: ImmutableList(),
+});
+
 const initialState = ImmutableMap({
-  followers: ImmutableMap(),
-  following: ImmutableMap(),
-  reblogged_by: ImmutableMap(),
-  favourited_by: ImmutableMap(),
-  follow_requests: ImmutableMap(),
-  blocks: ImmutableMap(),
-  mutes: ImmutableMap(),
+  followers: initialListState,
+  following: initialListState,
+  reblogged_by: initialListState,
+  favourited_by: initialListState,
+  follow_requests: initialListState,
+  blocks: initialListState,
+  mutes: initialListState,
 });
 
 const normalizeList = (state, path, accounts, next) => {
diff --git a/app/javascript/flavours/glitch/styles/components/index.scss b/app/javascript/flavours/glitch/styles/components/index.scss
index 56d658d97..0614278e2 100644
--- a/app/javascript/flavours/glitch/styles/components/index.scss
+++ b/app/javascript/flavours/glitch/styles/components/index.scss
@@ -153,6 +153,7 @@
   cursor: pointer;
   transition: all 100ms ease-in;
   transition-property: background-color, color;
+  text-decoration: none;
 
   &:hover,
   &:active,
@@ -226,6 +227,20 @@
       background: rgba($base-overlay-background, 0.9);
     }
   }
+
+  &--with-counter {
+    display: inline-flex;
+    align-items: center;
+    width: auto !important;
+  }
+
+  &__counter {
+    display: inline-block;
+    width: 14px;
+    margin-left: 4px;
+    font-size: 12px;
+    font-weight: 500;
+  }
 }
 
 .text-icon-button {
diff --git a/app/javascript/flavours/glitch/styles/components/status.scss b/app/javascript/flavours/glitch/styles/components/status.scss
index ba75e3ffe..554ea8cd5 100644
--- a/app/javascript/flavours/glitch/styles/components/status.scss
+++ b/app/javascript/flavours/glitch/styles/components/status.scss
@@ -564,28 +564,14 @@
   align-items: center;
   display: flex;
   margin-top: 8px;
-
-  &__counter {
-    display: inline-flex;
-    margin-right: 11px;
-    align-items: center;
-
-    .status__action-bar-button {
-      margin-right: 4px;
-    }
-
-    &__label {
-      display: inline-block;
-      width: 14px;
-      font-size: 12px;
-      font-weight: 500;
-      color: $action-button-color;
-    }
-  }
 }
 
 .status__action-bar-button {
   margin-right: 18px;
+
+  &.icon-button--with-counter {
+    margin-right: 14px;
+  }
 }
 
 .status__action-bar-dropdown {
@@ -1073,3 +1059,105 @@ a.status-card.compact:hover {
     }
   }
 }
+
+.picture-in-picture {
+  position: fixed;
+  bottom: 20px;
+  right: 20px;
+  width: 300px;
+
+  &.left {
+    right: unset;
+    left: 20px;
+  }
+
+  &__footer {
+    border-radius: 0 0 4px 4px;
+    background: lighten($ui-base-color, 4%);
+    padding: 10px;
+    padding-top: 12px;
+    display: flex;
+    justify-content: space-between;
+  }
+
+  &__header {
+    border-radius: 4px 4px 0 0;
+    background: lighten($ui-base-color, 4%);
+    padding: 10px;
+    display: flex;
+    justify-content: space-between;
+
+    &__account {
+      display: flex;
+      text-decoration: none;
+    }
+
+    .account__avatar {
+      margin-right: 10px;
+    }
+
+    .display-name {
+      color: $primary-text-color;
+      text-decoration: none;
+
+      strong,
+      span {
+        display: block;
+        text-overflow: ellipsis;
+        overflow: hidden;
+      }
+
+      span {
+        color: $darker-text-color;
+      }
+    }
+  }
+
+  .video-player,
+  .audio-player {
+    border-radius: 0;
+  }
+
+  @media screen and (max-width: 415px) {
+    width: 210px;
+    bottom: 10px;
+    right: 10px;
+
+    &__footer {
+      display: none;
+    }
+
+    .video-player,
+    .audio-player {
+      border-radius: 0 0 4px 4px;
+    }
+  }
+}
+
+.picture-in-picture-placeholder {
+  box-sizing: border-box;
+  border: 2px dashed lighten($ui-base-color, 8%);
+  background: $base-shadow-color;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  margin-top: 10px;
+  font-size: 16px;
+  font-weight: 500;
+  cursor: pointer;
+  color: $darker-text-color;
+
+  i {
+    display: block;
+    font-size: 24px;
+    font-weight: 400;
+    margin-bottom: 10px;
+  }
+
+  &:hover,
+  &:focus,
+  &:active {
+    border-color: lighten($ui-base-color, 12%);
+  }
+}
diff --git a/app/javascript/mastodon/reducers/user_lists.js b/app/javascript/mastodon/reducers/user_lists.js
index 8165952a7..10aaa2d68 100644
--- a/app/javascript/mastodon/reducers/user_lists.js
+++ b/app/javascript/mastodon/reducers/user_lists.js
@@ -53,14 +53,20 @@ import {
 } from 'mastodon/actions/directory';
 import { Map as ImmutableMap, List as ImmutableList } from 'immutable';
 
+const initialListState = ImmutableMap({
+  next: null,
+  isLoading: false,
+  items: ImmutableList(),
+});
+
 const initialState = ImmutableMap({
-  followers: ImmutableMap(),
-  following: ImmutableMap(),
-  reblogged_by: ImmutableMap(),
-  favourited_by: ImmutableMap(),
-  follow_requests: ImmutableMap(),
-  blocks: ImmutableMap(),
-  mutes: ImmutableMap(),
+  followers: initialListState,
+  following: initialListState,
+  reblogged_by: initialListState,
+  favourited_by: initialListState,
+  follow_requests: initialListState,
+  blocks: initialListState,
+  mutes: initialListState,
 });
 
 const normalizeList = (state, path, accounts, next) => {
diff --git a/app/services/activitypub/process_account_service.rb b/app/services/activitypub/process_account_service.rb
index 7f17e460c..122850dd6 100644
--- a/app/services/activitypub/process_account_service.rb
+++ b/app/services/activitypub/process_account_service.rb
@@ -203,7 +203,7 @@ class ActivityPub::ProcessAccountService < BaseService
     total_items = collection.is_a?(Hash) && collection['totalItems'].present? && collection['totalItems'].is_a?(Numeric) ? collection['totalItems'] : nil
     has_first_page = collection.is_a?(Hash) && collection['first'].present?
     @collections[type] = [total_items, has_first_page]
-  rescue HTTP::Error, OpenSSL::SSL::SSLError
+  rescue HTTP::Error, OpenSSL::SSL::SSLError, Mastodon::LengthValidationError
     @collections[type] = [nil, nil]
   end
 
diff --git a/app/services/process_mentions_service.rb b/app/services/process_mentions_service.rb
index e4aad7147..56cfbdccd 100644
--- a/app/services/process_mentions_service.rb
+++ b/app/services/process_mentions_service.rb
@@ -32,7 +32,7 @@ class ProcessMentionsService < BaseService
     if mentioned_account.local?
       LocalNotificationWorker.perform_async(mentioned_account.id, mention.id, mention.class.name, :mention) unless !@status.notify? || mention.silent?
     elsif mentioned_account.activitypub? && !@status.local_only?
-      ActivityPub::DeliveryWorker.perform_async(activitypub_json(mentioned_account.domain), mention.status.account_id, mentioned_account.inbox_url)
+      ActivityPub::DeliveryWorker.perform_async(activitypub_json(mentioned_account.domain), mention.status.account_id, mentioned_account.inbox_url, { synchronize_followers: !mention.status.distributable? })
     end
   end
 
diff --git a/app/views/admin/ip_blocks/index.html.haml b/app/views/admin/ip_blocks/index.html.haml
index a282a4cfe..00593840c 100644
--- a/app/views/admin/ip_blocks/index.html.haml
+++ b/app/views/admin/ip_blocks/index.html.haml
@@ -1,9 +1,6 @@
 - content_for :page_title do
   = t('admin.ip_blocks.title')
 
-- content_for :header_tags do
-  = javascript_pack_tag 'admin', integrity: true, async: true, crossorigin: 'anonymous'
-
 - if can?(:create, :ip_block)
   - content_for :heading_actions do
     = link_to t('admin.ip_blocks.add_new'), new_admin_ip_block_path, class: 'button'