From 7cbe6dc3e81182ed544ed56e920e644a74dd63cf Mon Sep 17 00:00:00 2001
From: fef <owo@fef.moe>
Date: Wed, 30 Nov 2022 17:25:36 +0100
Subject: [PATCH] rebase with upstream

---
 .../glitch/components/status_prepend.js       |   2 +-
 .../mastodon/actions/interactions.js          |  85 +++++++++
 .../mastodon/actions/notifications.js         |   1 +
 app/javascript/mastodon/components/status.js  |  14 ++
 .../mastodon/components/status_action_bar.js  |  28 +++
 .../mastodon/components/status_reactions.js   | 179 ++++++++++++++++++
 .../mastodon/containers/status_container.js   |  13 +-
 .../components/emoji_picker_dropdown.js       |   3 +-
 .../components/column_settings.js             |  12 ++
 .../notifications/components/filter_bar.js    |   8 +
 .../notifications/components/notification.js  |  35 ++++
 .../features/status/components/action_bar.js  |  23 ++-
 .../status/components/detailed_status.js      |  12 ++
 .../mastodon/features/status/index.js         |  27 +++
 app/javascript/mastodon/initial_state.js      |   2 +
 app/javascript/mastodon/locales/de.json       |   4 +
 app/javascript/mastodon/locales/en.json       |   4 +
 app/javascript/mastodon/locales/fr.json       |  10 +-
 app/javascript/mastodon/reducers/settings.js  |   3 +
 app/javascript/mastodon/reducers/statuses.js  |  44 +++++
 app/javascript/mastodon/selectors/index.js    |   8 +
 .../styles/mastodon/components.scss           |  18 ++
 22 files changed, 526 insertions(+), 9 deletions(-)
 create mode 100644 app/javascript/mastodon/components/status_reactions.js

diff --git a/app/javascript/flavours/glitch/components/status_prepend.js b/app/javascript/flavours/glitch/components/status_prepend.js
index 6c96f2ee2f..946146b5ef 100644
--- a/app/javascript/flavours/glitch/components/status_prepend.js
+++ b/app/javascript/flavours/glitch/components/status_prepend.js
@@ -60,7 +60,7 @@ export default class StatusPrepend extends React.PureComponent {
       return (
         <FormattedMessage
           id='notification.reaction'
-          defaultMessage='{name} reacted to your post'
+          defaultMessage='{name} reacted to your status'
           values={{ name: link }}
         />
       );
diff --git a/app/javascript/mastodon/actions/interactions.js b/app/javascript/mastodon/actions/interactions.js
index d60ccc1fb8..afae6705ff 100644
--- a/app/javascript/mastodon/actions/interactions.js
+++ b/app/javascript/mastodon/actions/interactions.js
@@ -41,6 +41,16 @@ export const UNBOOKMARK_REQUEST = 'UNBOOKMARKED_REQUEST';
 export const UNBOOKMARK_SUCCESS = 'UNBOOKMARKED_SUCCESS';
 export const UNBOOKMARK_FAIL    = 'UNBOOKMARKED_FAIL';
 
+export const REACTION_UPDATE = 'REACTION_UPDATE';
+
+export const REACTION_ADD_REQUEST = 'REACTION_ADD_REQUEST';
+export const REACTION_ADD_SUCCESS = 'REACTION_ADD_SUCCESS';
+export const REACTION_ADD_FAIL    = 'REACTION_ADD_FAIL';
+
+export const REACTION_REMOVE_REQUEST = 'REACTION_REMOVE_REQUEST';
+export const REACTION_REMOVE_SUCCESS = 'REACTION_REMOVE_SUCCESS';
+export const REACTION_REMOVE_FAIL    = 'REACTION_REMOVE_FAIL';
+
 export function reblog(status, visibility) {
   return function (dispatch, getState) {
     dispatch(reblogRequest(status));
@@ -412,3 +422,78 @@ export function unpinFail(status, error) {
     skipLoading: true,
   };
 };
+
+export const addReaction = (statusId, name) => (dispatch, getState) => {
+  const status = getState().get('statuses').get(statusId);
+  let alreadyAdded = false;
+  if (status) {
+    const reaction = status.get('reactions').find(x => x.get('name') === name);
+    if (reaction && reaction.get('me')) {
+      alreadyAdded = true;
+    }
+  }
+  if (!alreadyAdded) {
+    dispatch(addReactionRequest(statusId, name, alreadyAdded));
+  }
+
+  api(getState).put(`/api/v1/statuses/${statusId}/reactions/${name}`).then(() => {
+    dispatch(addReactionSuccess(statusId, name, alreadyAdded));
+  }).catch(err => {
+    if (!alreadyAdded) {
+      dispatch(addReactionFail(statusId, name, err));
+    }
+  });
+};
+
+export const addReactionRequest = (statusId, name) => ({
+  type: REACTION_ADD_REQUEST,
+  id: statusId,
+  name,
+  skipLoading: true,
+});
+
+export const addReactionSuccess = (statusId, name) => ({
+  type: REACTION_ADD_SUCCESS,
+  id: statusId,
+  name,
+  skipLoading: true,
+});
+
+export const addReactionFail = (statusId, name, error) => ({
+  type: REACTION_ADD_FAIL,
+  id: statusId,
+  name,
+  error,
+  skipLoading: true,
+});
+
+export const removeReaction = (statusId, name) => (dispatch, getState) => {
+  dispatch(removeReactionRequest(statusId, name));
+
+  api(getState).delete(`/api/v1/statuses/${statusId}/reactions/${name}`).then(() => {
+    dispatch(removeReactionSuccess(statusId, name));
+  }).catch(err => {
+    dispatch(removeReactionFail(statusId, name, err));
+  });
+};
+
+export const removeReactionRequest = (statusId, name) => ({
+  type: REACTION_REMOVE_REQUEST,
+  id: statusId,
+  name,
+  skipLoading: true,
+});
+
+export const removeReactionSuccess = (statusId, name) => ({
+  type: REACTION_REMOVE_SUCCESS,
+  id: statusId,
+  name,
+  skipLoading: true,
+});
+
+export const removeReactionFail = (statusId, name) => ({
+  type: REACTION_REMOVE_FAIL,
+  id: statusId,
+  name,
+  skipLoading: true,
+});
diff --git a/app/javascript/mastodon/actions/notifications.js b/app/javascript/mastodon/actions/notifications.js
index d4588db2c9..1a801491b6 100644
--- a/app/javascript/mastodon/actions/notifications.js
+++ b/app/javascript/mastodon/actions/notifications.js
@@ -127,6 +127,7 @@ const excludeTypesFromFilter = filter => {
     'follow',
     'follow_request',
     'favourite',
+    'reaction',
     'reblog',
     'mention',
     'poll',
diff --git a/app/javascript/mastodon/components/status.js b/app/javascript/mastodon/components/status.js
index a1384ba583..ec9e583e22 100644
--- a/app/javascript/mastodon/components/status.js
+++ b/app/javascript/mastodon/components/status.js
@@ -7,6 +7,7 @@ import RelativeTimestamp from './relative_timestamp';
 import DisplayName from './display_name';
 import StatusContent from './status_content';
 import StatusActionBar from './status_action_bar';
+import StatusReactions from './status_reactions';
 import AttachmentList from './attachment_list';
 import Card from '../features/status/components/card';
 import { injectIntl, defineMessages, FormattedMessage } from 'react-intl';
@@ -21,6 +22,7 @@ import PictureInPicturePlaceholder from 'mastodon/components/picture_in_picture_
 // We use the component (and not the container) since we do not want
 // to use the progress bar to show download progress
 import Bundle from '../features/ui/components/bundle';
+import { visibleReactions } from '../../flavours/glitch/initial_state';
 
 export const textForScreenReader = (intl, status, rebloggedByText = false) => {
   const displayName = status.getIn(['account', 'display_name']);
@@ -76,6 +78,8 @@ class Status extends ImmutablePureComponent {
     onDelete: PropTypes.func,
     onDirect: PropTypes.func,
     onMention: PropTypes.func,
+    onReactionAdd: PropTypes.func,
+    onReactionRemove: PropTypes.func,
     onPin: PropTypes.func,
     onOpenMedia: PropTypes.func,
     onOpenVideo: PropTypes.func,
@@ -99,6 +103,7 @@ class Status extends ImmutablePureComponent {
     cachedMediaWidth: PropTypes.number,
     scrollKey: PropTypes.string,
     deployPictureInPicture: PropTypes.func,
+    emojiMap: ImmutablePropTypes.map.isRequired,
     pictureInPicture: ImmutablePropTypes.contains({
       inUse: PropTypes.bool,
       available: PropTypes.bool,
@@ -537,6 +542,15 @@ class Status extends ImmutablePureComponent {
 
             {media}
 
+            <StatusReactions
+              statusId={status.get('id')}
+              reactions={status.get('reactions')}
+              numVisible={visibleReactions}
+              addReaction={this.props.onReactionAdd}
+              removeReaction={this.props.onReactionRemove}
+              emojiMap={this.props.emojiMap}
+            />
+
             <StatusActionBar scrollKey={scrollKey} status={status} account={account} onFilter={matchedFilters ? this.handleFilterClick : null} {...other} />
           </div>
         </div>
diff --git a/app/javascript/mastodon/components/status_action_bar.js b/app/javascript/mastodon/components/status_action_bar.js
index 40c86afdf0..b37b003182 100644
--- a/app/javascript/mastodon/components/status_action_bar.js
+++ b/app/javascript/mastodon/components/status_action_bar.js
@@ -9,6 +9,8 @@ import ImmutablePureComponent from 'react-immutable-pure-component';
 import { me } from '../initial_state';
 import classNames from 'classnames';
 import { PERMISSION_MANAGE_USERS } from 'mastodon/permissions';
+import EmojiPickerDropdown from '../features/compose/containers/emoji_picker_dropdown_container';
+import { maxReactions } from '../../flavours/glitch/initial_state';
 
 const messages = defineMessages({
   delete: { id: 'status.delete', defaultMessage: 'Delete' },
@@ -27,6 +29,7 @@ const messages = defineMessages({
   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' },
+  react: { id: 'status.react', defaultMessage: 'React' },
   bookmark: { id: 'status.bookmark', defaultMessage: 'Bookmark' },
   removeBookmark: { id: 'status.remove_bookmark', defaultMessage: 'Remove bookmark' },
   open: { id: 'status.open', defaultMessage: 'Expand this status' },
@@ -66,6 +69,7 @@ class StatusActionBar extends ImmutablePureComponent {
     relationship: ImmutablePropTypes.map,
     onReply: PropTypes.func,
     onFavourite: PropTypes.func,
+    onReactionAdd: PropTypes.func,
     onReblog: PropTypes.func,
     onDelete: PropTypes.func,
     onDirect: PropTypes.func,
@@ -127,6 +131,16 @@ class StatusActionBar extends ImmutablePureComponent {
     }
   }
 
+  handleEmojiPick = data => {
+    const { signedIn } = this.context.identity;
+
+    if (signedIn) {
+      this.props.onReactionAdd(this.props.status.get('id'), data.native.replace(/:/g, ''));
+    } else {
+      this.props.onInteractionModal('favourite', this.props.status);
+    }
+  }
+
   handleReblogClick = e => {
     const { signedIn } = this.context.identity;
 
@@ -230,6 +244,8 @@ class StatusActionBar extends ImmutablePureComponent {
     this.props.onFilter();
   }
 
+  nop = () => {}
+
   render () {
     const { status, relationship, intl, withDismiss, withCounters, scrollKey } = this.props;
     const { signedIn } = this.context.identity;
@@ -350,11 +366,23 @@ class StatusActionBar extends ImmutablePureComponent {
       <IconButton className='status__action-bar__button' title={intl.formatMessage(messages.hide)} icon='eye' onClick={this.handleHideClick} />
     );
 
+    const canReact = status.get('reactions').filter(r => r.get('count') > 0 && r.get('me')).size < maxReactions;
+    const reactButton = (
+      <IconButton
+        className='status__action-bar-button'
+        onClick={this.nop} // EmojiPickerDropdown handles that
+        title={intl.formatMessage(messages.react)}
+        disabled={!canReact}
+        icon='plus'
+      />
+    );
+
     return (
       <div className='status__action-bar'>
         <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 />
         <IconButton className={classNames('status__action-bar__button', { reblogPrivate })} disabled={!publicStatus && !reblogPrivate} active={status.get('reblogged')} title={reblogTitle} icon='retweet' onClick={this.handleReblogClick} counter={withCounters ? status.get('reblogs_count') : undefined} />
         <IconButton className='status__action-bar__button star-icon' animate active={status.get('favourited')} title={intl.formatMessage(messages.favourite)} icon='star' onClick={this.handleFavouriteClick} counter={withCounters ? status.get('favourites_count') : undefined} />
+        <EmojiPickerDropdown className='status__action-bar-button' onPickEmoji={this.handleEmojiPick} button={reactButton} disabled={!canReact} />
         <IconButton className='status__action-bar__button bookmark-icon' disabled={!signedIn} active={status.get('bookmarked')} title={intl.formatMessage(messages.bookmark)} icon='bookmark' onClick={this.handleBookmarkClick} />
 
         {shareButton}
diff --git a/app/javascript/mastodon/components/status_reactions.js b/app/javascript/mastodon/components/status_reactions.js
new file mode 100644
index 0000000000..39956270a4
--- /dev/null
+++ b/app/javascript/mastodon/components/status_reactions.js
@@ -0,0 +1,179 @@
+import ImmutablePureComponent from 'react-immutable-pure-component';
+import PropTypes from 'prop-types';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import { reduceMotion } from '../initial_state';
+import spring from 'react-motion/lib/spring';
+import TransitionMotion from 'react-motion/lib/TransitionMotion';
+import classNames from 'classnames';
+import React from 'react';
+import unicodeMapping from '../features/emoji/emoji_unicode_mapping_light';
+import AnimatedNumber from './animated_number';
+import { assetHost } from '../utils/config';
+import { autoPlayGif } from '../initial_state';
+
+export default class StatusReactions extends ImmutablePureComponent {
+
+  static propTypes = {
+    statusId: PropTypes.string.isRequired,
+    reactions: ImmutablePropTypes.list.isRequired,
+    numVisible: PropTypes.number,
+    addReaction: PropTypes.func.isRequired,
+    removeReaction: PropTypes.func.isRequired,
+    emojiMap: ImmutablePropTypes.map.isRequired,
+  };
+
+  willEnter() {
+    return { scale: reduceMotion ? 1 : 0 };
+  }
+
+  willLeave() {
+    return { scale: reduceMotion ? 0 : spring(0, { stiffness: 170, damping: 26 }) };
+  }
+
+  render() {
+    const { reactions, numVisible } = this.props;
+    let visibleReactions = reactions
+      .filter(x => x.get('count') > 0)
+      .sort((a, b) => b.get('count') - a.get('count'));
+
+    // numVisible might be NaN because it's pulled from local settings
+    // which doesn't do a whole lot of input validation, but that's okay
+    // because  NaN >= 0  evaluates false.
+    // Still, this should be improved at some point.
+    if (numVisible >= 0) {
+      visibleReactions = visibleReactions.filter((_, i) => i < numVisible);
+    }
+
+    const styles = visibleReactions.map(reaction => ({
+      key: reaction.get('name'),
+      data: reaction,
+      style: { scale: reduceMotion ? 1 : spring(1, { stiffness: 150, damping: 13 }) },
+    })).toArray();
+
+    return (
+      <TransitionMotion styles={styles} willEnter={this.willEnter} willLeave={this.willLeave}>
+        {items => (
+          <div className={classNames('reactions-bar', { 'reactions-bar--empty': visibleReactions.isEmpty() })}>
+            {items.map(({ key, data, style }) => (
+              <Reaction
+                key={key}
+                statusId={this.props.statusId}
+                reaction={data}
+                style={{ transform: `scale(${style.scale})`, position: style.scale < 0.5 ? 'absolute' : 'static' }}
+                addReaction={this.props.addReaction}
+                removeReaction={this.props.removeReaction}
+                emojiMap={this.props.emojiMap}
+              />
+            ))}
+          </div>
+        )}
+      </TransitionMotion>
+    );
+  }
+
+}
+
+class Reaction extends ImmutablePureComponent {
+
+  static propTypes = {
+    statusId: PropTypes.string,
+    reaction: ImmutablePropTypes.map.isRequired,
+    addReaction: PropTypes.func.isRequired,
+    removeReaction: PropTypes.func.isRequired,
+    emojiMap: ImmutablePropTypes.map.isRequired,
+    style: PropTypes.object,
+  };
+
+  state = {
+    hovered: false,
+  };
+
+  handleClick = () => {
+    const { reaction, statusId, addReaction, removeReaction } = this.props;
+
+    if (reaction.get('me')) {
+      removeReaction(statusId, reaction.get('name'));
+    } else {
+      addReaction(statusId, reaction.get('name'));
+    }
+  }
+
+  handleMouseEnter = () => this.setState({ hovered: true })
+
+  handleMouseLeave = () => this.setState({ hovered: false })
+
+  render() {
+    const { reaction } = this.props;
+
+    let shortCode = reaction.get('name');
+
+    if (unicodeMapping[shortCode]) {
+      shortCode = unicodeMapping[shortCode].shortCode;
+    }
+
+    return (
+      <button
+        className={classNames('reactions-bar__item', { active: reaction.get('me') })}
+        onClick={this.handleClick}
+        onMouseEnter={this.handleMouseEnter}
+        onMouseLeave={this.handleMouseLeave}
+        title={`:${shortCode}:`}
+        style={this.props.style}
+      >
+        <span className='reactions-bar__item__emoji'>
+          <Emoji hovered={this.state.hovered} emoji={reaction.get('name')} emojiMap={this.props.emojiMap} />
+        </span>
+        <span className='reactions-bar__item__count'>
+          <AnimatedNumber value={reaction.get('count')} />
+        </span>
+      </button>
+    );
+  }
+
+}
+
+class Emoji extends React.PureComponent {
+
+  static propTypes = {
+    emoji: PropTypes.string.isRequired,
+    emojiMap: ImmutablePropTypes.map.isRequired,
+    hovered: PropTypes.bool.isRequired,
+  };
+
+  render() {
+    const { emoji, emojiMap, hovered } = this.props;
+
+    if (unicodeMapping[emoji]) {
+      const { filename, shortCode } = unicodeMapping[this.props.emoji];
+      const title = shortCode ? `:${shortCode}:` : '';
+
+      return (
+        <img
+          draggable='false'
+          className='emojione'
+          alt={emoji}
+          title={title}
+          src={`${assetHost}/emoji/${filename}.svg`}
+        />
+      );
+    } else if (emojiMap.get(emoji)) {
+      const filename = (autoPlayGif || hovered)
+        ? emojiMap.getIn([emoji, 'url'])
+        : emojiMap.getIn([emoji, 'static_url']);
+      const shortCode = `:${emoji}:`;
+
+      return (
+        <img
+          draggable='false'
+          className='emojione custom-emoji'
+          alt={shortCode}
+          title={shortCode}
+          src={filename}
+        />
+      );
+    } else {
+      return null;
+    }
+  }
+
+}
diff --git a/app/javascript/mastodon/containers/status_container.js b/app/javascript/mastodon/containers/status_container.js
index 294105f259..556910f089 100644
--- a/app/javascript/mastodon/containers/status_container.js
+++ b/app/javascript/mastodon/containers/status_container.js
@@ -1,7 +1,7 @@
 import React from 'react';
 import { connect } from 'react-redux';
 import Status from '../components/status';
-import { makeGetStatus, makeGetPictureInPicture } from '../selectors';
+import { makeGetStatus, makeGetPictureInPicture, makeCustomEmojiMap } from '../selectors';
 import {
   replyCompose,
   mentionCompose,
@@ -16,6 +16,8 @@ import {
   unbookmark,
   pin,
   unpin,
+  addReaction,
+  removeReaction,
 } from '../actions/interactions';
 import {
   muteStatus,
@@ -66,6 +68,7 @@ const makeMapStateToProps = () => {
   const mapStateToProps = (state, props) => ({
     status: getStatus(state, props),
     pictureInPicture: getPictureInPicture(state, props),
+    emojiMap: makeCustomEmojiMap(state),
   });
 
   return mapStateToProps;
@@ -129,6 +132,14 @@ const mapDispatchToProps = (dispatch, { intl, contextType }) => ({
     }
   },
 
+  onReactionAdd (statusId, name) {
+    dispatch(addReaction(statusId, name));
+  },
+
+  onReactionRemove (statusId, name) {
+    dispatch(removeReaction(statusId, name));
+  },
+
   onEmbed (status) {
     dispatch(openModal('EMBED', {
       url: status.get('url'),
diff --git a/app/javascript/mastodon/features/compose/components/emoji_picker_dropdown.js b/app/javascript/mastodon/features/compose/components/emoji_picker_dropdown.js
index 8cca8af2a8..efdbf9c908 100644
--- a/app/javascript/mastodon/features/compose/components/emoji_picker_dropdown.js
+++ b/app/javascript/mastodon/features/compose/components/emoji_picker_dropdown.js
@@ -319,6 +319,7 @@ class EmojiPickerDropdown extends React.PureComponent {
     onSkinTone: PropTypes.func.isRequired,
     skinTone: PropTypes.number.isRequired,
     button: PropTypes.node,
+    disabled: PropTypes.bool,
   };
 
   state = {
@@ -356,7 +357,7 @@ class EmojiPickerDropdown extends React.PureComponent {
   }
 
   onToggle = (e) => {
-    if (!this.state.loading && (!e.key || e.key === 'Enter')) {
+    if (!this.state.disabled && !this.state.loading && (!e.key || e.key === 'Enter')) {
       if (this.state.active) {
         this.onHideDropdown();
       } else {
diff --git a/app/javascript/mastodon/features/notifications/components/column_settings.js b/app/javascript/mastodon/features/notifications/components/column_settings.js
index a38f8d3c2d..3e91ebc369 100644
--- a/app/javascript/mastodon/features/notifications/components/column_settings.js
+++ b/app/javascript/mastodon/features/notifications/components/column_settings.js
@@ -6,6 +6,7 @@ import ClearColumnButton from './clear_column_button';
 import GrantPermissionButton from './grant_permission_button';
 import SettingToggle from './setting_toggle';
 import { PERMISSION_MANAGE_USERS, PERMISSION_MANAGE_REPORTS } from 'mastodon/permissions';
+import PillBarButton from '../../../../flavours/glitch/features/notifications/components/pill_bar_button';
 
 export default class ColumnSettings extends React.PureComponent {
 
@@ -115,6 +116,17 @@ export default class ColumnSettings extends React.PureComponent {
           </div>
         </div>
 
+        <div role='group' aria-labelledby='notifications-reaction'>
+          <span id='notifications-reaction' className='column-settings__section'><FormattedMessage id='notifications.column_settings.reaction' defaultMessage='Reactions:' /></span>
+
+          <div className='column-settings__pillbar'>
+            <SettingToggle disabled={browserPermission === 'denied'} prefix='notifications_desktop' settings={settings} settingPath={['alerts', 'reaction']} onChange={onChange} label={alertStr} />
+            {showPushSettings && <SettingToggle prefix='notifications_push' settings={pushSettings} settingPath={['alerts', 'reaction']} onChange={this.onPushChange} label={pushStr} />}
+            <SettingToggle prefix='notifications' settings={settings} settingPath={['shows', 'reaction']} onChange={onChange} label={showStr} />
+            <SettingToggle prefix='notifications' settings={settings} settingPath={['sounds', 'reaction']} onChange={onChange} label={soundStr} />
+          </div>
+        </div>
+
         <div role='group' aria-labelledby='notifications-mention'>
           <span id='notifications-mention' className='column-settings__section'><FormattedMessage id='notifications.column_settings.mention' defaultMessage='Mentions:' /></span>
 
diff --git a/app/javascript/mastodon/features/notifications/components/filter_bar.js b/app/javascript/mastodon/features/notifications/components/filter_bar.js
index 368eb0b7e6..2b5f48f0b4 100644
--- a/app/javascript/mastodon/features/notifications/components/filter_bar.js
+++ b/app/javascript/mastodon/features/notifications/components/filter_bar.js
@@ -6,6 +6,7 @@ import Icon from 'mastodon/components/icon';
 const tooltips = defineMessages({
   mentions: { id: 'notifications.filter.mentions', defaultMessage: 'Mentions' },
   favourites: { id: 'notifications.filter.favourites', defaultMessage: 'Favourites' },
+  reactions: { id: 'notifications.filter.reactions', defaultMessage: 'Reactions' },
   boosts: { id: 'notifications.filter.boosts', defaultMessage: 'Boosts' },
   polls: { id: 'notifications.filter.polls', defaultMessage: 'Poll results' },
   follows: { id: 'notifications.filter.follows', defaultMessage: 'Follows' },
@@ -74,6 +75,13 @@ class FilterBar extends React.PureComponent {
         >
           <Icon id='star' fixedWidth />
         </button>
+        <button
+          className={selectedFilter === 'reaction' ? 'active' : ''}
+          onClick={this.onClick('reaction')}
+          title={intl.formatMessage(tooltips.reactions)}
+        >
+          <Icon id='plus' fixedWidth />
+        </button>
         <button
           className={selectedFilter === 'reblog' ? 'active' : ''}
           onClick={this.onClick('reblog')}
diff --git a/app/javascript/mastodon/features/notifications/components/notification.js b/app/javascript/mastodon/features/notifications/components/notification.js
index ea2c9c0a42..7b23197cf6 100644
--- a/app/javascript/mastodon/features/notifications/components/notification.js
+++ b/app/javascript/mastodon/features/notifications/components/notification.js
@@ -15,6 +15,7 @@ import classNames from 'classnames';
 
 const messages = defineMessages({
   favourite: { id: 'notification.favourite', defaultMessage: '{name} favourited your status' },
+  reaction: { id: 'notification.reaction', defaultMessage: '{name} reacted to your status' },
   follow: { id: 'notification.follow', defaultMessage: '{name} followed you' },
   ownPoll: { id: 'notification.own_poll', defaultMessage: 'Your poll has ended' },
   poll: { id: 'notification.poll', defaultMessage: 'A poll you have voted in has ended' },
@@ -213,6 +214,38 @@ class Notification extends ImmutablePureComponent {
     );
   }
 
+  renderReaction (notification, link) {
+    const { intl, unread } = this.props;
+
+    return (
+      <HotKeys handlers={this.getHandlers()}>
+        <div className={classNames('notification notification-reaction focusable', { unread })} tabIndex='0' aria-label={notificationForScreenReader(intl, intl.formatMessage(messages.reaction, { name: notification.getIn(['account', 'acct']) }), notification.get('created_at'))}>
+          <div className='notification__message'>
+            <div className='notification__favourite-icon-wrapper'>
+              <Icon id='plus' fixedWidth />
+            </div>
+
+            <span title={notification.get('created_at')}>
+              <FormattedMessage id='notification.reaction' defaultMessage='{name} reacted to your status' values={{ name: link }} />
+            </span>
+          </div>
+
+          <StatusContainer
+            id={notification.get('status')}
+            account={notification.get('account')}
+            muted
+            withDismiss
+            hidden={this.props.hidden}
+            getScrollPosition={this.props.getScrollPosition}
+            updateScrollBottom={this.props.updateScrollBottom}
+            cachedMediaWidth={this.props.cachedMediaWidth}
+            cacheMediaWidth={this.props.cacheMediaWidth}
+          />
+        </div>
+      </HotKeys>
+    );
+  }
+
   renderReblog (notification, link) {
     const { intl, unread } = this.props;
 
@@ -414,6 +447,8 @@ class Notification extends ImmutablePureComponent {
       return this.renderMention(notification);
     case 'favourite':
       return this.renderFavourite(notification, link);
+    case 'reaction':
+      return this.renderReaction(notification, link);
     case 'reblog':
       return this.renderReblog(notification, link);
     case 'status':
diff --git a/app/javascript/mastodon/features/status/components/action_bar.js b/app/javascript/mastodon/features/status/components/action_bar.js
index c1242754cc..ce272e4487 100644
--- a/app/javascript/mastodon/features/status/components/action_bar.js
+++ b/app/javascript/mastodon/features/status/components/action_bar.js
@@ -5,9 +5,10 @@ import IconButton from '../../../components/icon_button';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 import DropdownMenuContainer from '../../../containers/dropdown_menu_container';
 import { defineMessages, injectIntl } from 'react-intl';
-import { me } from '../../../initial_state';
+import { me, maxReactions } from '../../../initial_state';
 import classNames from 'classnames';
 import { PERMISSION_MANAGE_USERS } from 'mastodon/permissions';
+import EmojiPickerDropdown from '../../compose/containers/emoji_picker_dropdown_container';
 
 const messages = defineMessages({
   delete: { id: 'status.delete', defaultMessage: 'Delete' },
@@ -21,6 +22,7 @@ const messages = defineMessages({
   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' },
+  react: { id: 'status.react', defaultMessage: 'React' },
   bookmark: { id: 'status.bookmark', defaultMessage: 'Bookmark' },
   more: { id: 'status.more', defaultMessage: 'More' },
   mute: { id: 'status.mute', defaultMessage: 'Mute @{name}' },
@@ -61,6 +63,7 @@ class ActionBar extends React.PureComponent {
     onReply: PropTypes.func.isRequired,
     onReblog: PropTypes.func.isRequired,
     onFavourite: PropTypes.func.isRequired,
+    onReactionAdd: PropTypes.func.isRequired,
     onBookmark: PropTypes.func.isRequired,
     onDelete: PropTypes.func.isRequired,
     onEdit: PropTypes.func.isRequired,
@@ -91,6 +94,10 @@ class ActionBar extends React.PureComponent {
     this.props.onFavourite(this.props.status);
   }
 
+  handleEmojiPick = data => {
+    this.props.onReactionAdd(this.props.status.get('id'), data.native.replace(/:/g, ''));
+  }
+
   handleBookmarkClick = (e) => {
     this.props.onBookmark(this.props.status, e);
   }
@@ -179,6 +186,8 @@ class ActionBar extends React.PureComponent {
     navigator.clipboard.writeText(url);
   }
 
+  nop = () => {} // hack for reaction add button
+
   render () {
     const { status, relationship, intl } = this.props;
     const { signedIn, permissions } = this.context.identity;
@@ -250,6 +259,17 @@ class ActionBar extends React.PureComponent {
       }
     }
 
+    const canReact = status.get('reactions').filter(r => r.get('count') > 0 && r.get('me')).size < maxReactions;
+    const reactButton = (
+      <IconButton
+        className='plus-icon'
+        onClick={this.nop} // EmojiPickerDropdown handles that
+        title={intl.formatMessage(messages.react)}
+        disabled={!canReact}
+        icon='plus'
+      />
+    );
+
     const shareButton = ('share' in navigator) && publicStatus && (
       <div className='detailed-status__button'><IconButton title={intl.formatMessage(messages.share)} icon='share-alt' onClick={this.handleShare} /></div>
     );
@@ -279,6 +299,7 @@ class ActionBar extends React.PureComponent {
         <div className='detailed-status__button'><IconButton title={intl.formatMessage(messages.reply)} icon={status.get('in_reply_to_account_id') === status.getIn(['account', 'id']) ? 'reply' : replyIcon} onClick={this.handleReplyClick} /></div>
         <div className='detailed-status__button' ><IconButton className={classNames({ reblogPrivate })} disabled={!publicStatus && !reblogPrivate} active={status.get('reblogged')} title={reblogTitle} icon='retweet' onClick={this.handleReblogClick} /></div>
         <div className='detailed-status__button'><IconButton className='star-icon' animate active={status.get('favourited')} title={intl.formatMessage(messages.favourite)} icon='star' onClick={this.handleFavouriteClick} /></div>
+        <div className='detailed-status__button'><EmojiPickerDropdown onPickEmoji={this.handleEmojiPick} button={reactButton} disabled={!canReact} /></div>
         <div className='detailed-status__button'><IconButton className='bookmark-icon' disabled={!signedIn} active={status.get('bookmarked')} title={intl.formatMessage(messages.bookmark)} icon='bookmark' onClick={this.handleBookmarkClick} /></div>
 
         {shareButton}
diff --git a/app/javascript/mastodon/features/status/components/detailed_status.js b/app/javascript/mastodon/features/status/components/detailed_status.js
index c62910e0ee..ccc7866d45 100644
--- a/app/javascript/mastodon/features/status/components/detailed_status.js
+++ b/app/javascript/mastodon/features/status/components/detailed_status.js
@@ -17,6 +17,7 @@ import Icon from 'mastodon/components/icon';
 import AnimatedNumber from 'mastodon/components/animated_number';
 import PictureInPicturePlaceholder from 'mastodon/components/picture_in_picture_placeholder';
 import EditedTimestamp from 'mastodon/components/edited_timestamp';
+import StatusReactions from '../../../components/status_reactions';
 
 const messages = defineMessages({
   public_short: { id: 'privacy.public.short', defaultMessage: 'Public' },
@@ -48,6 +49,9 @@ class DetailedStatus extends ImmutablePureComponent {
       available: PropTypes.bool,
     }),
     onToggleMediaVisibility: PropTypes.func,
+    onReactionAdd: PropTypes.func.isRequired,
+    onReactionRemove: PropTypes.func.isRequired,
+    emojiMap: ImmutablePropTypes.map.isRequired,
   };
 
   state = {
@@ -275,6 +279,14 @@ class DetailedStatus extends ImmutablePureComponent {
 
           {media}
 
+          <StatusReactions
+            statusId={status.get('id')}
+            reactions={status.get('reactions')}
+            addReaction={this.props.onReactionAdd}
+            removeReaction={this.props.onReactionRemove}
+            emojiMap={this.props.emojiMap}
+          />
+
           <div className='detailed-status__meta'>
             <a className='detailed-status__datetime' href={`/@${status.getIn(['account', 'acct'])}\/${status.get('id')}`} target='_blank' rel='noopener noreferrer'>
               <FormattedDate value={new Date(status.get('created_at'))} hour12={false} year='numeric' month='short' day='2-digit' hour='2-digit' minute='2-digit' />
diff --git a/app/javascript/mastodon/features/status/index.js b/app/javascript/mastodon/features/status/index.js
index 8a63cced20..3930804781 100644
--- a/app/javascript/mastodon/features/status/index.js
+++ b/app/javascript/mastodon/features/status/index.js
@@ -20,6 +20,8 @@ import {
   unreblog,
   pin,
   unpin,
+  addReaction,
+  removeReaction,
 } from '../../actions/interactions';
 import {
   replyCompose,
@@ -62,6 +64,7 @@ import { attachFullscreenListener, detachFullscreenListener, isFullscreen } from
 import { textForScreenReader, defaultMediaVisibility } from '../../components/status';
 import Icon from 'mastodon/components/icon';
 import { Helmet } from 'react-helmet';
+import { makeCustomEmojiMap } from '../../selectors';
 
 const messages = defineMessages({
   deleteConfirm: { id: 'confirmations.delete.confirm', defaultMessage: 'Delete' },
@@ -153,6 +156,7 @@ const makeMapStateToProps = () => {
       askReplyConfirmation: state.getIn(['compose', 'text']).trim().length !== 0,
       domain: state.getIn(['meta', 'domain']),
       pictureInPicture: getPictureInPicture(state, { id: props.params.statusId }),
+      emojiMap: makeCustomEmojiMap(state),
     };
   };
 
@@ -254,6 +258,25 @@ class Status extends ImmutablePureComponent {
     }
   }
 
+  handleReactionAdd = (statusId, name) => {
+    const { dispatch } = this.props;
+    const { signedIn } = this.context.identity;
+
+    if (signedIn) {
+      dispatch(addReaction(statusId, name));
+    } else {
+      dispatch(openModal('INTERACTION', {
+        type: 'reaction_add',
+        accountId: status.getIn(['account', 'id']),
+        url: status.get('url'),
+      }));
+    }
+  }
+
+  handleReactionRemove = (statusId, name) => {
+    this.props.dispatch(removeReaction(statusId, name));
+  }
+
   handlePin = (status) => {
     if (status.get('pinned')) {
       this.props.dispatch(unpin(status));
@@ -638,12 +661,15 @@ class Status extends ImmutablePureComponent {
                   status={status}
                   onOpenVideo={this.handleOpenVideo}
                   onOpenMedia={this.handleOpenMedia}
+                  onReactionAdd={this.handleReactionAdd}
+                  onReactionRemove={this.handleReactionRemove}
                   onToggleHidden={this.handleToggleHidden}
                   onTranslate={this.handleTranslate}
                   domain={domain}
                   showMedia={this.state.showMedia}
                   onToggleMediaVisibility={this.handleToggleMediaVisibility}
                   pictureInPicture={pictureInPicture}
+                  emojiMap={this.props.emojiMap}
                 />
 
                 <ActionBar
@@ -651,6 +677,7 @@ class Status extends ImmutablePureComponent {
                   status={status}
                   onReply={this.handleReplyClick}
                   onFavourite={this.handleFavouriteClick}
+                  onReactionAdd={this.handleReactionAdd}
                   onReblog={this.handleReblogClick}
                   onBookmark={this.handleBookmarkClick}
                   onDelete={this.handleDeleteClick}
diff --git a/app/javascript/mastodon/initial_state.js b/app/javascript/mastodon/initial_state.js
index 8eec7f7c7a..5f5b1babdf 100644
--- a/app/javascript/mastodon/initial_state.js
+++ b/app/javascript/mastodon/initial_state.js
@@ -113,8 +113,10 @@ export const expandSpoilers = getMeta('expand_spoilers');
 export const forceSingleColumn = !getMeta('advanced_layout');
 export const limitedFederationMode = getMeta('limited_federation_mode');
 export const mascot = getMeta('mascot');
+export const maxReactions = (initialState && initialState.max_reactions) || 1;
 export const me = getMeta('me');
 export const movedToAccountId = getMeta('moved_to_account_id');
+export const visibleReactions = getMeta('visible_reactions');
 export const owner = getMeta('owner');
 export const profile_directory = getMeta('profile_directory');
 export const reduceMotion = getMeta('reduce_motion');
diff --git a/app/javascript/mastodon/locales/de.json b/app/javascript/mastodon/locales/de.json
index 67ffd64763..f1316fd7a4 100644
--- a/app/javascript/mastodon/locales/de.json
+++ b/app/javascript/mastodon/locales/de.json
@@ -388,6 +388,7 @@
   "notification.admin.report": "{target} wurde von {name} gemeldet",
   "notification.admin.sign_up": "{name} registrierte sich",
   "notification.favourite": "{name} hat deinen Beitrag favorisiert",
+  "notification.reaction": "{name} hat auf deinen Beitrag reagiert",
   "notification.follow": "{name} folgt dir jetzt",
   "notification.follow_request": "{name} möchte dir folgen",
   "notification.mention": "{name} erwähnte dich",
@@ -402,6 +403,7 @@
   "notifications.column_settings.admin.sign_up": "Neue Registrierungen:",
   "notifications.column_settings.alert": "Desktop-Benachrichtigungen",
   "notifications.column_settings.favourite": "Favorisierungen:",
+  "notifications.column_settings.reaction": "Reaktionen:",
   "notifications.column_settings.filter_bar.advanced": "Erweiterte Filterleiste aktivieren",
   "notifications.column_settings.filter_bar.category": "Filterleiste:",
   "notifications.column_settings.filter_bar.show_bar": "Filterleiste anzeigen",
@@ -551,6 +553,7 @@
   "status.edited_x_times": "{count, plural, one {{count} mal} other {{count} mal}} bearbeitet",
   "status.embed": "Beitrag per iFrame einbetten",
   "status.favourite": "Favorisieren",
+  "status.react": "Reagieren",
   "status.filter": "Beitrag filtern",
   "status.filtered": "Gefiltert",
   "status.hide": "Beitrag verbergen",
@@ -609,6 +612,7 @@
   "timeline_hint.resources.statuses": "Ältere Beiträge",
   "trends.counter_by_accounts": "{count, plural, one {{counter} Profil} other {{counter} Profile}} {days, plural, one {seit gestern} other {in {days} Tagen}}",
   "trends.trending_now": "Aktuelle Trends",
+  "tooltips.reactions": "Reaktionen",
   "ui.beforeunload": "Dein Entwurf geht verloren, wenn du Mastodon verlässt.",
   "units.short.billion": "{count} Mrd",
   "units.short.million": "{count} Mio",
diff --git a/app/javascript/mastodon/locales/en.json b/app/javascript/mastodon/locales/en.json
index cb190b4966..9ac5162397 100644
--- a/app/javascript/mastodon/locales/en.json
+++ b/app/javascript/mastodon/locales/en.json
@@ -397,6 +397,7 @@
   "notification.admin.report": "{name} reported {target}",
   "notification.admin.sign_up": "{name} signed up",
   "notification.favourite": "{name} favourited your post",
+  "notification.reaction": "{name} reacted to your post",
   "notification.follow": "{name} followed you",
   "notification.follow_request": "{name} has requested to follow you",
   "notification.mention": "{name} mentioned you",
@@ -411,6 +412,7 @@
   "notifications.column_settings.admin.sign_up": "New sign-ups:",
   "notifications.column_settings.alert": "Desktop notifications",
   "notifications.column_settings.favourite": "Favourites:",
+  "notifications.column_settings.reaction": "Reactions:",
   "notifications.column_settings.filter_bar.advanced": "Display all categories",
   "notifications.column_settings.filter_bar.category": "Quick filter bar",
   "notifications.column_settings.filter_bar.show_bar": "Show filter bar",
@@ -561,6 +563,7 @@
   "status.edited_x_times": "Edited {count, plural, one {{count} time} other {{count} times}}",
   "status.embed": "Embed",
   "status.favourite": "Favourite",
+  "status.react": "React",
   "status.filter": "Filter this post",
   "status.filtered": "Filtered",
   "status.hide": "Hide toot",
@@ -619,6 +622,7 @@
   "timeline_hint.resources.statuses": "Older posts",
   "trends.counter_by_accounts": "{count, plural, one {{counter} person} other {{counter} people}} in the past {days, plural, one {day} other {{days} days}}",
   "trends.trending_now": "Trending now",
+  "tooltips.reactions": "Reactions",
   "ui.beforeunload": "Your draft will be lost if you leave Mastodon.",
   "units.short.billion": "{count}B",
   "units.short.million": "{count}M",
diff --git a/app/javascript/mastodon/locales/fr.json b/app/javascript/mastodon/locales/fr.json
index ce004ed9fe..e9a07a6564 100644
--- a/app/javascript/mastodon/locales/fr.json
+++ b/app/javascript/mastodon/locales/fr.json
@@ -98,7 +98,7 @@
   "closed_registrations_modal.preamble": "Mastodon est décentralisé : peu importe où vous créez votre votre, vous serez en mesure de suivre et d'interagir avec quiconque sur ce serveur. Vous pouvez même l'héberger !",
   "closed_registrations_modal.title": "Inscription sur Mastodon",
   "column.about": "À propos",
-  "column.blocks": "Comptes bloqués",
+  "column.blocks": "Utilisateurs bloqués",
   "column.bookmarks": "Signets",
   "column.community": "Fil public local",
   "column.direct": "Messages directs",
@@ -138,7 +138,7 @@
   "compose_form.poll.switch_to_multiple": "Changer le sondage pour autoriser plusieurs choix",
   "compose_form.poll.switch_to_single": "Changer le sondage pour autoriser qu'un seul choix",
   "compose_form.publish": "Publier",
-  "compose_form.publish_form": "Publier",
+  "compose_form.publish_form": "Publish",
   "compose_form.publish_loud": "{publish} !",
   "compose_form.save_changes": "Enregistrer les modifications",
   "compose_form.sensitive.hide": "Marquer le média comme sensible",
@@ -387,7 +387,7 @@
   "not_signed_in_indicator.not_signed_in": "Vous devez vous connecter pour accéder à cette ressource.",
   "notification.admin.report": "{name} a signalé {target}",
   "notification.admin.sign_up": "{name} s'est inscrit·e",
-  "notification.favourite": "{name} a aimé votre publication",
+  "notification.favourite": "{name} a ajouté le message à ses favoris",
   "notification.follow": "{name} vous suit",
   "notification.follow_request": "{name} a demandé à vous suivre",
   "notification.mention": "{name} vous a mentionné·e :",
@@ -527,8 +527,8 @@
   "search_results.statuses_fts_disabled": "La recherche de messages par leur contenu n'est pas activée sur ce serveur Mastodon.",
   "search_results.title": "Rechercher {q}",
   "search_results.total": "{count, number} {count, plural, one {résultat} other {résultats}}",
-  "server_banner.about_active_users": "Personnes utilisant ce serveur au cours des 30 derniers jours (Comptes actifs mensuellement)",
-  "server_banner.active_users": "comptes actifs",
+  "server_banner.about_active_users": "Personnes utilisant ce serveur au cours des 30 derniers jours (Utilisateur·rice·s Actifs·ives Mensuellement)",
+  "server_banner.active_users": "Utilisateurs actifs",
   "server_banner.administered_by": "Administré par :",
   "server_banner.introduction": "{domain} fait partie du réseau social décentralisé propulsé par {mastodon}.",
   "server_banner.learn_more": "En savoir plus",
diff --git a/app/javascript/mastodon/reducers/settings.js b/app/javascript/mastodon/reducers/settings.js
index f9d3236e4a..c8def2384c 100644
--- a/app/javascript/mastodon/reducers/settings.js
+++ b/app/javascript/mastodon/reducers/settings.js
@@ -33,6 +33,7 @@ const initialState = ImmutableMap({
       follow: false,
       follow_request: false,
       favourite: false,
+      reaction: false,
       reblog: false,
       mention: false,
       poll: false,
@@ -56,6 +57,7 @@ const initialState = ImmutableMap({
       follow_request: false,
       favourite: true,
       reblog: true,
+      reaction: true,
       mention: true,
       poll: true,
       status: true,
@@ -69,6 +71,7 @@ const initialState = ImmutableMap({
       follow_request: false,
       favourite: true,
       reblog: true,
+      reaction: true,
       mention: true,
       poll: true,
       status: true,
diff --git a/app/javascript/mastodon/reducers/statuses.js b/app/javascript/mastodon/reducers/statuses.js
index c30c1e2ccd..2228906674 100644
--- a/app/javascript/mastodon/reducers/statuses.js
+++ b/app/javascript/mastodon/reducers/statuses.js
@@ -6,6 +6,11 @@ import {
   UNFAVOURITE_SUCCESS,
   BOOKMARK_REQUEST,
   BOOKMARK_FAIL,
+  REACTION_UPDATE,
+  REACTION_ADD_FAIL,
+  REACTION_REMOVE_FAIL,
+  REACTION_ADD_REQUEST,
+  REACTION_REMOVE_REQUEST,
 } from '../actions/interactions';
 import {
   STATUS_MUTE_SUCCESS,
@@ -35,6 +40,37 @@ const deleteStatus = (state, id, references) => {
   return state.delete(id);
 };
 
+const updateReaction = (state, id, name, updater) => state.update(
+  id,
+  status => status.update(
+    'reactions',
+    reactions => {
+      const index = reactions.findIndex(reaction => reaction.get('name') === name);
+      if (index > -1) {
+        return reactions.update(index, reaction => updater(reaction));
+      } else {
+        return reactions.push(updater(fromJS({ name, count: 0 })));
+      }
+    },
+  ),
+);
+
+const updateReactionCount = (state, reaction) => updateReaction(state, reaction.status_id, reaction.name, x => x.set('count', reaction.count));
+
+const addReaction = (state, id, name) => updateReaction(
+  state,
+  id,
+  name,
+  x => x.set('me', true).update('count', n => n + 1),
+);
+
+const removeReaction = (state, id, name) => updateReaction(
+  state,
+  id,
+  name,
+  x => x.set('me', false).update('count', n => n - 1),
+);
+
 const initialState = ImmutableMap();
 
 export default function statuses(state = initialState, action) {
@@ -61,6 +97,14 @@ export default function statuses(state = initialState, action) {
     return state.setIn([action.status.get('id'), 'reblogged'], true);
   case REBLOG_FAIL:
     return state.get(action.status.get('id')) === undefined ? state : state.setIn([action.status.get('id'), 'reblogged'], false);
+  case REACTION_UPDATE:
+    return updateReactionCount(state, action.reaction);
+  case REACTION_ADD_REQUEST:
+  case REACTION_REMOVE_FAIL:
+    return addReaction(state, action.id, action.name);
+  case REACTION_REMOVE_REQUEST:
+  case REACTION_ADD_FAIL:
+    return removeReaction(state, action.id, action.name);
   case STATUS_MUTE_SUCCESS:
     return state.setIn([action.id, 'muted'], true);
   case STATUS_UNMUTE_SUCCESS:
diff --git a/app/javascript/mastodon/selectors/index.js b/app/javascript/mastodon/selectors/index.js
index bf46c810e2..56fd5b5b2a 100644
--- a/app/javascript/mastodon/selectors/index.js
+++ b/app/javascript/mastodon/selectors/index.js
@@ -135,3 +135,11 @@ export const getAccountHidden = createSelector([
 ], (hidden, followingOrRequested, isSelf) => {
   return hidden && !(isSelf || followingOrRequested);
 });
+
+export const makeCustomEmojiMap = createSelector(
+  [state => state.get('custom_emojis')],
+  items => items.reduce(
+    (map, emoji) => map.set(emoji.get('shortcode'), emoji),
+    ImmutableMap(),
+  ),
+);
diff --git a/app/javascript/styles/mastodon/components.scss b/app/javascript/styles/mastodon/components.scss
index 713144f7de..3f60881dcf 100644
--- a/app/javascript/styles/mastodon/components.scss
+++ b/app/javascript/styles/mastodon/components.scss
@@ -1130,6 +1130,10 @@
       }
     }
   }
+
+  .reactions-bar--empty {
+    margin-top: 0;
+  }
 }
 
 .status__relative-time {
@@ -1252,6 +1256,16 @@
   align-items: center;
   gap: 18px;
   margin-top: 16px;
+
+  & > .emoji-picker-dropdown > .emoji-button {
+    padding: 0;
+  }
+}
+
+.status__action-bar-button {
+  .fa-plus {
+    padding-top: 1px;
+  }
 }
 
 .detailed-status__action-bar-dropdown {
@@ -4019,6 +4033,10 @@ a.status-card.compact:hover {
   text-align: center;
 }
 
+.detailed-status__button .emoji-button {
+  padding: 0;
+}
+
 .column-settings__outer {
   background: lighten($ui-base-color, 8%);
   padding: 15px;