diff --git a/app/controllers/api/v1/reaction_deck_controller.rb b/app/controllers/api/v1/reaction_deck_controller.rb
new file mode 100644
index 0000000000..d3e06f3b09
--- /dev/null
+++ b/app/controllers/api/v1/reaction_deck_controller.rb
@@ -0,0 +1,45 @@
+# frozen_string_literal: true
+
+class Api::V1::ReactionDeckController < Api::BaseController
+  before_action -> { doorkeeper_authorize! :read, :'read:lists' }, only: [:index]
+  before_action -> { doorkeeper_authorize! :write, :'write:lists' }, only: [:create]
+
+  before_action :require_user!
+  before_action :set_deck, only: [:index, :create]
+
+  rescue_from ArgumentError do |e|
+    render json: { error: e.to_s }, status: 422
+  end
+
+  def index
+    render json: @deck
+  end
+
+  def create
+    (deck_params['emojis'] || []).each do |data|
+      raise ArgumentError if data['id'].to_i >= 16 || data['id'].to_i.negative?
+
+      exists = @deck.find { |dd| dd['id'] == data['id'] }
+      if exists
+        exists['emoji'] = data['emoji'].delete(':')
+      else
+        @deck << { id: data['id'], emoji: data['emoji'].delete(':') }
+      end
+    end
+    @deck = @deck.sort_by { |a| a['id'].to_i }
+    current_user.settings['reaction_deck'] = @deck.to_json
+    current_user.save!
+
+    render json: @deck
+  end
+
+  private
+
+  def set_deck
+    @deck = current_user.setting_reaction_deck ? JSON.parse(current_user.setting_reaction_deck) : []
+  end
+
+  def deck_params
+    params
+  end
+end
diff --git a/app/javascript/mastodon/actions/reaction_deck.js b/app/javascript/mastodon/actions/reaction_deck.js
new file mode 100644
index 0000000000..2914e8ceef
--- /dev/null
+++ b/app/javascript/mastodon/actions/reaction_deck.js
@@ -0,0 +1,79 @@
+import api from '../api';
+
+export const REACTION_DECK_FETCH_REQUEST = 'REACTION_DECK_FETCH_REQUEST';
+export const REACTION_DECK_FETCH_SUCCESS = 'REACTION_DECK_FETCH_SUCCESS';
+export const REACTION_DECK_FETCH_FAIL    = 'REACTION_DECK_FETCH_FAIL';
+
+export const REACTION_DECK_UPDATE_REQUEST = 'REACTION_DECK_UPDATE_REQUEST';
+export const REACTION_DECK_UPDATE_SUCCESS = 'REACTION_DECK_UPDATE_SUCCESS';
+export const REACTION_DECK_UPDATE_FAIL = 'REACTION_DECK_UPDATE_FAIL';
+
+export function fetchReactionDeck() {
+  return (dispatch, getState) => {
+    dispatch(fetchReactionDeckRequest());
+
+    api(getState).get('/api/v1/reaction_deck').then(response => {
+      dispatch(fetchReactionDeckSuccess(response.data));
+    }).catch(error => {
+      dispatch(fetchReactionDeckFail(error));
+    });
+  };
+}
+
+export function fetchReactionDeckRequest() {
+  return {
+    type: REACTION_DECK_FETCH_REQUEST,
+    skipLoading: true,
+  };
+}
+
+export function fetchReactionDeckSuccess(emojis) {
+  return {
+    type: REACTION_DECK_FETCH_SUCCESS,
+    emojis,
+    skipLoading: true,
+  };
+}
+
+export function fetchReactionDeckFail(error) {
+  return {
+    type: REACTION_DECK_FETCH_FAIL,
+    error,
+    skipLoading: true,
+  };
+}
+
+export function updateReactionDeck(id, emoji) {
+  return (dispatch, getState) => {
+    dispatch(updateReactionDeckRequest());
+
+    api(getState).post('/api/v1/reaction_deck', { emojis: [{ id, emoji: emoji.native || emoji.id }] }).then(response => {
+      dispatch(updateReactionDeckSuccess(response.data));
+    }).catch(error => {
+      dispatch(updateReactionDeckFail(error));
+    });
+  };
+}
+
+export function updateReactionDeckRequest() {
+  return {
+    type: REACTION_DECK_UPDATE_REQUEST,
+    skipLoading: true,
+  };
+}
+
+export function updateReactionDeckSuccess(emojis) {
+  return {
+    type: REACTION_DECK_UPDATE_SUCCESS,
+    emojis,
+    skipLoading: true,
+  };
+}
+
+export function updateReactionDeckFail(error) {
+  return {
+    type: REACTION_DECK_UPDATE_FAIL,
+    error,
+    skipLoading: true,
+  };
+}
diff --git a/app/javascript/mastodon/containers/mastodon.jsx b/app/javascript/mastodon/containers/mastodon.jsx
index 5be163f5a4..4626968af9 100644
--- a/app/javascript/mastodon/containers/mastodon.jsx
+++ b/app/javascript/mastodon/containers/mastodon.jsx
@@ -11,6 +11,7 @@ import { Provider as ReduxProvider } from 'react-redux';
 import { ScrollContext } from 'react-router-scroll-4';
 
 import { fetchCustomEmojis } from 'mastodon/actions/custom_emojis';
+import { fetchReactionDeck } from 'mastodon/actions/reaction_deck';
 import { hydrateStore } from 'mastodon/actions/store';
 import { connectUserStream } from 'mastodon/actions/streaming';
 import ErrorBoundary from 'mastodon/components/error_boundary';
@@ -29,6 +30,7 @@ const hydrateAction = hydrateStore(initialState);
 store.dispatch(hydrateAction);
 if (initialState.meta.me) {
   store.dispatch(fetchCustomEmojis());
+  store.dispatch(fetchReactionDeck());
 }
 
 const createIdentityContext = state => ({
diff --git a/app/javascript/mastodon/features/compose/components/action_bar.jsx b/app/javascript/mastodon/features/compose/components/action_bar.jsx
index 08d98b6c4d..3c4d33683f 100644
--- a/app/javascript/mastodon/features/compose/components/action_bar.jsx
+++ b/app/javascript/mastodon/features/compose/components/action_bar.jsx
@@ -11,6 +11,7 @@ const messages = defineMessages({
   edit_profile: { id: 'account.edit_profile', defaultMessage: 'Edit profile' },
   pins: { id: 'navigation_bar.pins', defaultMessage: 'Pinned posts' },
   preferences: { id: 'navigation_bar.preferences', defaultMessage: 'Preferences' },
+  reaction_deck: { id: 'navigation_bar.reaction_deck', defaultMessage: 'Reaction deck' },
   follow_requests: { id: 'navigation_bar.follow_requests', defaultMessage: 'Follow requests' },
   favourites: { id: 'navigation_bar.favourites', defaultMessage: 'Favourites' },
   emoji_reactions: { id: 'navigation_bar.emoji_reactions', defaultMessage: 'Stamps' },
@@ -44,6 +45,7 @@ class ActionBar extends PureComponent {
 
     menu.push({ text: intl.formatMessage(messages.edit_profile), href: '/settings/profile' });
     menu.push({ text: intl.formatMessage(messages.preferences), href: '/settings/preferences' });
+    menu.push({ text: intl.formatMessage(messages.reaction_deck), to: '/reaction_deck' });
     menu.push({ text: intl.formatMessage(messages.pins), to: '/pinned' });
     menu.push(null);
     menu.push({ text: intl.formatMessage(messages.follow_requests), to: '/follow_requests' });
diff --git a/app/javascript/mastodon/features/compose/containers/emoji_picker_dropdown_container.js b/app/javascript/mastodon/features/compose/containers/emoji_picker_dropdown_container.js
index a0e50029df..2fc8a6c59f 100644
--- a/app/javascript/mastodon/features/compose/containers/emoji_picker_dropdown_container.js
+++ b/app/javascript/mastodon/features/compose/containers/emoji_picker_dropdown_container.js
@@ -1,11 +1,16 @@
-import { Map as ImmutableMap } from 'immutable';
+import { Map as ImmutableMap, List as ImmutableList } from 'immutable';
 import { connect } from 'react-redux';
 import { createSelector } from 'reselect';
 
+import { hideRecentEmojis } from 'mastodon/initial_state';
+
 import { useEmoji } from '../../../actions/emojis';
 import { changeSetting } from '../../../actions/settings';
+import { shortCodes } from '../../emoji/emoji_mart_data_light';
 import EmojiPickerDropdown from '../components/emoji_picker_dropdown';
 
+
+
 const perLine = 8;
 const lines   = 2;
 
@@ -28,21 +33,43 @@ const DEFAULTS = [
   'ok_hand',
 ];
 
-const getFrequentlyUsedEmojis = createSelector([
-  state => state.getIn(['settings', 'frequentlyUsedEmojis'], ImmutableMap()),
-], emojiCounters => {
-  let emojis = emojiCounters
-    .keySeq()
-    .sort((a, b) => emojiCounters.get(a) - emojiCounters.get(b))
-    .reverse()
-    .slice(0, perLine * lines)
-    .toArray();
+const RECENT_SIZE = DEFAULTS.length;
+const DECK_SIZE = 16;
 
-  if (emojis.length < DEFAULTS.length) {
-    let uniqueDefaults = DEFAULTS.filter(emoji => !emojis.includes(emoji));
-    emojis = emojis.concat(uniqueDefaults.slice(0, DEFAULTS.length - emojis.length));
+const getFrequentlyUsedEmojis = createSelector([
+  state => { return {
+    emojiCounters: state.getIn(['settings', 'frequentlyUsedEmojis'], ImmutableMap()),
+    reactionDeck: state.get('reaction_deck', ImmutableList()),
+  }; },
+], data => {
+  const { emojiCounters, reactionDeck } = data;
+  let deckEmojis = reactionDeck
+    .toArray()
+    .map((e) => e.get('emoji'))
+    .filter((e) => e)
+    .map((e) => shortCodes[e] || e);
+  deckEmojis = [...new Set(deckEmojis)];
+
+  let emojis;
+  if (!hideRecentEmojis) {
+    emojis = emojiCounters
+      .keySeq()
+      .filter((ee) => deckEmojis.indexOf(ee) < 0)
+      .sort((a, b) => emojiCounters.get(a) - emojiCounters.get(b))
+      .reverse()
+      .slice(0, perLine * lines)
+      .toArray();
+
+    if (emojis.length < RECENT_SIZE) {
+      let uniqueDefaults = DEFAULTS.filter(emoji => !emojis.includes(emoji));
+      emojis = emojis.concat(uniqueDefaults.slice(0, RECENT_SIZE - emojis.length));
+    }
+  } else {
+    emojis = [];
   }
 
+  emojis = deckEmojis.slice(0, DECK_SIZE).concat(emojis);
+
   return emojis;
 });
 
diff --git a/app/javascript/mastodon/features/emoji/emoji_mart_data_light.js b/app/javascript/mastodon/features/emoji/emoji_mart_data_light.js
index 11698937c0..32565b450d 100644
--- a/app/javascript/mastodon/features/emoji/emoji_mart_data_light.js
+++ b/app/javascript/mastodon/features/emoji/emoji_mart_data_light.js
@@ -7,6 +7,7 @@ import { unicodeToUnifiedName } from './unicode_to_unified_name';
 const [ shortCodesToEmojiData, skins, categories, short_names ] = emojiCompressed;
 
 const emojis = {};
+const shortCodes = {};
 
 // decompress
 Object.keys(shortCodesToEmojiData).forEach((shortCode) => {
@@ -33,10 +34,12 @@ Object.keys(shortCodesToEmojiData).forEach((shortCode) => {
     short_names,
     unified,
   };
+  shortCodes[native] = shortCode;
 });
 
 export {
   emojis,
+  shortCodes,
   skins,
   categories,
   short_names,
diff --git a/app/javascript/mastodon/features/reaction_deck/components/reaction_emoji.jsx b/app/javascript/mastodon/features/reaction_deck/components/reaction_emoji.jsx
new file mode 100644
index 0000000000..26036c4901
--- /dev/null
+++ b/app/javascript/mastodon/features/reaction_deck/components/reaction_emoji.jsx
@@ -0,0 +1,75 @@
+import PropTypes from 'prop-types';
+
+import { injectIntl } from 'react-intl';
+
+import { List as ImmutableList, Map as ImmutableMap } from 'immutable';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import ImmutablePureComponent from 'react-immutable-pure-component';
+import { connect } from 'react-redux';
+
+import { updateReactionDeck } from 'mastodon/actions/reaction_deck';
+import EmojiPickerDropdownContainer from 'mastodon/features/compose/containers/emoji_picker_dropdown_container';
+import emojify from 'mastodon/features/emoji/emoji';
+import { autoPlayGif } from 'mastodon/initial_state';
+
+const MapStateToProps = (state, { emojiId, emojiMap }) => ({
+  emoji: (state.get('reaction_deck', ImmutableList()).toArray().find(em => em.get('id') === emojiId) || ImmutableMap({ emoji: '' })).get('emoji'),
+  emojiMap,
+});
+
+const mapDispatchToProps = (dispatch, { emojiId }) => ({
+  onChange: (emoji) => dispatch(updateReactionDeck(emojiId, emoji)),
+});
+
+class ReactionEmoji extends ImmutablePureComponent {
+
+  static propTypes = {
+    emoji: PropTypes.string,
+    emojiMap: ImmutablePropTypes.map.isRequired,
+    onChange: PropTypes.func.isRequired,
+  };
+
+  static defaultProps = {
+    emoji: '',
+  };
+
+  render () {
+    const { emojiMap, emoji, onChange } = this.props;
+
+    let content = null;
+
+    if (emojiMap.get(emoji)) {
+      const filename  = autoPlayGif ? emojiMap.getIn([emoji, 'url']) : emojiMap.getIn([emoji, 'static_url']);
+      const shortCode = `:${emoji}:`;
+
+      content = (
+        <img
+          draggable='false'
+          className='emojione custom-emoji'
+          alt={shortCode}
+          title={shortCode}
+          src={filename}
+        />
+      );
+    } else {
+      const html = { __html: emojify(emoji) };
+      content = (
+        <span dangerouslySetInnerHTML={html} />
+      )
+    }
+
+    return (
+      <div className='reaction_deck__emoji'>
+        <div className='reaction_deck__emoji__wrapper'>
+          <EmojiPickerDropdownContainer onPickEmoji={onChange} />
+          <div>
+            {content}
+          </div>
+        </div>
+      </div>
+    );
+  }
+
+}
+
+export default connect(MapStateToProps, mapDispatchToProps)(injectIntl(ReactionEmoji));
diff --git a/app/javascript/mastodon/features/reaction_deck/index.jsx b/app/javascript/mastodon/features/reaction_deck/index.jsx
new file mode 100644
index 0000000000..a457272da5
--- /dev/null
+++ b/app/javascript/mastodon/features/reaction_deck/index.jsx
@@ -0,0 +1,86 @@
+import PropTypes from 'prop-types';
+
+import { defineMessages, injectIntl } from 'react-intl';
+
+import { Helmet } from 'react-helmet';
+
+import { Map as ImmutableMap } from 'immutable';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import ImmutablePureComponent from 'react-immutable-pure-component';
+import { connect } from 'react-redux';
+import { createSelector } from 'reselect';
+
+import ColumnHeader from 'mastodon/components/column_header';
+import LoadingIndicator from 'mastodon/components/loading_indicator';
+import ScrollableList from 'mastodon/components/scrollable_list';
+import Column from 'mastodon/features/ui/components/column';
+
+import ReactionEmoji from './components/reaction_emoji';
+
+
+const DECK_SIZE = 16;
+
+const customEmojiMap = createSelector([state => state.get('custom_emojis')], items => items.reduce((map, emoji) => map.set(emoji.get('shortcode'), emoji), ImmutableMap()));
+
+const messages = defineMessages({
+  refresh: { id: 'refresh', defaultMessage: 'Refresh' },
+  heading: { id: 'column.reaction_deck', defaultMessage: 'Reaction deck' },
+});
+
+const mapStateToProps = (state, props) => ({
+  accountIds: state.getIn(['user_lists', 'favourited_by', props.params.statusId]),
+  deck: state.get('reaction_deck'),
+  emojiMap: customEmojiMap(state),
+});
+
+class ReactionDeck extends ImmutablePureComponent {
+
+  static propTypes = {
+    params: PropTypes.object.isRequired,
+    dispatch: PropTypes.func.isRequired,
+    deck: ImmutablePropTypes.list,
+    emojiMap: ImmutablePropTypes.map,
+    multiColumn: PropTypes.bool,
+    intl: PropTypes.object.isRequired,
+  };
+
+  render () {
+    const { intl, deck, emojiMap, multiColumn } = this.props;
+
+    if (!deck) {
+      return (
+        <Column>
+          <LoadingIndicator />
+        </Column>
+      );
+    }
+
+
+    return (
+      <Column bindToDocument={!multiColumn}>
+        <ColumnHeader
+          icon='smile-o'
+          title={intl.formatMessage(messages.heading)}
+          multiColumn={multiColumn}
+          showBackButton
+        />
+
+          <ScrollableList
+            scrollKey='reaction_deck'
+            bindToDocument={!multiColumn}
+          >
+            {[...Array(DECK_SIZE).keys()].map(emojiId =>
+              <ReactionEmoji key={emojiId} emojiMap={emojiMap} emojiId={emojiId} />
+            )}
+          </ScrollableList>
+
+        <Helmet>
+          <meta name='robots' content='noindex' />
+        </Helmet>
+      </Column>
+    );
+  }
+
+}
+
+export default connect(mapStateToProps)(injectIntl(ReactionDeck));
diff --git a/app/javascript/mastodon/features/ui/index.jsx b/app/javascript/mastodon/features/ui/index.jsx
index 8528bca4ae..b765ee568b 100644
--- a/app/javascript/mastodon/features/ui/index.jsx
+++ b/app/javascript/mastodon/features/ui/index.jsx
@@ -62,6 +62,7 @@ import {
   Lists,
   Directory,
   Explore,
+  ReactionDeck,
   Onboarding,
   About,
   PrivacyPolicy,
@@ -203,6 +204,8 @@ class SwitchingColumnsArea extends PureComponent {
           <WrappedRoute path='/bookmarks' component={BookmarkedStatuses} content={children} />
           <WrappedRoute path='/pinned' component={PinnedStatuses} content={children} />
 
+          <WrappedRoute path='/reaction_deck' component={ReactionDeck} content={children} />
+
           <WrappedRoute path='/start' exact component={Onboarding} content={children} />
           <WrappedRoute path='/directory' component={Directory} content={children} />
           <WrappedRoute path={['/explore', '/search']} component={Explore} content={children} />
diff --git a/app/javascript/mastodon/features/ui/util/async-components.js b/app/javascript/mastodon/features/ui/util/async-components.js
index d7705a3069..d05b8b88e4 100644
--- a/app/javascript/mastodon/features/ui/util/async-components.js
+++ b/app/javascript/mastodon/features/ui/util/async-components.js
@@ -166,6 +166,10 @@ export function Onboarding () {
   return import(/* webpackChunkName: "features/onboarding" */'../../onboarding');
 }
 
+export function ReactionDeck () {
+  return import(/* webpackChunkName: "features/reaction_deck" */'../../reaction_deck');
+}
+
 export function CompareHistoryModal () {
   return import(/*webpackChunkName: "modals/compare_history_modal" */'../components/compare_history_modal');
 }
diff --git a/app/javascript/mastodon/initial_state.js b/app/javascript/mastodon/initial_state.js
index 991af7eb24..ed070ddb74 100644
--- a/app/javascript/mastodon/initial_state.js
+++ b/app/javascript/mastodon/initial_state.js
@@ -60,6 +60,7 @@
  * @property {string} domain
  * @property {boolean} enable_login_privacy
  * @property {boolean=} expand_spoilers
+ * @property {boolean} hide_recent_emojis
  * @property {boolean} limited_federation_mode
  * @property {string} locale
  * @property {string | null} mascot
@@ -115,6 +116,7 @@ export const domain = getMeta('domain');
 export const enableLoginPrivacy = getMeta('enable_login_privacy');
 export const expandSpoilers = getMeta('expand_spoilers');
 export const forceSingleColumn = !getMeta('advanced_layout');
+export const hideRecentEmojis = getMeta('hide_recent_emojis');
 export const limitedFederationMode = getMeta('limited_federation_mode');
 export const mascot = getMeta('mascot');
 export const me = getMeta('me');
diff --git a/app/javascript/mastodon/reducers/index.ts b/app/javascript/mastodon/reducers/index.ts
index 6e3648b392..728a66ef6e 100644
--- a/app/javascript/mastodon/reducers/index.ts
+++ b/app/javascript/mastodon/reducers/index.ts
@@ -34,6 +34,7 @@ import notifications from './notifications';
 import picture_in_picture from './picture_in_picture';
 import polls from './polls';
 import push_notifications from './push_notifications';
+import reaction_deck from './reaction_deck';
 import relationships from './relationships';
 import search from './search';
 import server from './server';
@@ -92,6 +93,7 @@ const reducers = {
   history,
   tags,
   followed_tags,
+  reaction_deck,
 };
 
 const rootReducer = combineReducers(reducers);
diff --git a/app/javascript/mastodon/reducers/reaction_deck.js b/app/javascript/mastodon/reducers/reaction_deck.js
new file mode 100644
index 0000000000..12b4e8ef21
--- /dev/null
+++ b/app/javascript/mastodon/reducers/reaction_deck.js
@@ -0,0 +1,13 @@
+import { List as ImmutableList, fromJS as ConvertToImmutable } from 'immutable';
+
+import { REACTION_DECK_FETCH_SUCCESS, REACTION_DECK_UPDATE_SUCCESS } from '../actions/reaction_deck';
+
+const initialState = ImmutableList([]);
+
+export default function reaction_deck(state = initialState, action) {
+  if(action.type === REACTION_DECK_FETCH_SUCCESS || action.type === REACTION_DECK_UPDATE_SUCCESS) {
+    state = ConvertToImmutable(action.emojis);
+  }
+
+  return state;
+}
diff --git a/app/javascript/styles/mastodon/components.scss b/app/javascript/styles/mastodon/components.scss
index befdbf4031..7b5eff3f5c 100644
--- a/app/javascript/styles/mastodon/components.scss
+++ b/app/javascript/styles/mastodon/components.scss
@@ -7544,6 +7544,26 @@ noscript {
   }
 }
 
+.reaction_deck__emoji {
+  &__wrapper {
+    display: flex;
+
+    margin: 8px 4px;
+    height: 32px;
+
+    .emojione {
+      min-width: 24px;
+      height: 24px;
+    }
+
+    .emoji-button {
+      margin-left: 20px;
+      margin-right: 24px;
+      padding: 0;
+    }
+  }
+}
+
 .focal-point {
   position: relative;
   cursor: move;
diff --git a/app/models/concerns/has_user_settings.rb b/app/models/concerns/has_user_settings.rb
index 0c56e724b9..8f8657fcd7 100644
--- a/app/models/concerns/has_user_settings.rb
+++ b/app/models/concerns/has_user_settings.rb
@@ -23,10 +23,18 @@ module HasUserSettings
     settings['web.auto_play']
   end
 
+  def setting_reaction_deck
+    settings['reaction_deck']
+  end
+
   def setting_enable_login_privacy
     settings['web.enable_login_privacy']
   end
 
+  def setting_hide_recent_emojis
+    settings['web.hide_recent_emojis']
+  end
+
   def setting_default_sensitive
     settings['default_sensitive']
   end
diff --git a/app/models/user_settings.rb b/app/models/user_settings.rb
index 2634fc48c2..918c7b0747 100644
--- a/app/models/user_settings.rb
+++ b/app/models/user_settings.rb
@@ -25,6 +25,7 @@ class UserSettings
   setting :reject_public_unlisted_subscription, default: false
   setting :reject_unlisted_subscription, default: false
   setting :send_without_domain_blocks, default: false
+  setting :reaction_deck, default: nil
   setting :stop_emoji_reaction_streaming, default: false
   setting :emoji_reaction_streaming_notify_impl2, default: false
 
@@ -38,6 +39,7 @@ class UserSettings
     setting :disable_swiping, default: false
     setting :delete_modal, default: true
     setting :enable_login_privacy, default: false
+    setting :hide_recent_emojis, default: false
     setting :reblog_modal, default: false
     setting :unfollow_modal, default: true
     setting :reduce_motion, default: false
diff --git a/app/serializers/initial_state_serializer.rb b/app/serializers/initial_state_serializer.rb
index c2206eef05..f87e3c4aea 100644
--- a/app/serializers/initial_state_serializer.rb
+++ b/app/serializers/initial_state_serializer.rb
@@ -44,6 +44,7 @@ class InitialStateSerializer < ActiveModel::Serializer
       store[:display_media_expand] = object.current_account.user.setting_display_media_expand
       store[:expand_spoilers] = object.current_account.user.setting_expand_spoilers
       store[:enable_login_privacy] = object.current_account.user.setting_enable_login_privacy
+      store[:hide_recent_emojis] = object.current_account.user.setting_hide_recent_emojis
       store[:reduce_motion]     = object.current_account.user.setting_reduce_motion
       store[:disable_swiping]   = object.current_account.user.setting_disable_swiping
       store[:advanced_layout]   = object.current_account.user.setting_advanced_layout
diff --git a/app/serializers/rest/instance_serializer.rb b/app/serializers/rest/instance_serializer.rb
index b25fba1475..833fc93d07 100644
--- a/app/serializers/rest/instance_serializer.rb
+++ b/app/serializers/rest/instance_serializer.rb
@@ -85,6 +85,10 @@ class REST::InstanceSerializer < ActiveModel::Serializer
         max_reactions_per_account: EmojiReaction::EMOJI_REACTION_PER_ACCOUNT_LIMIT,
       },
 
+      reaction_deck: {
+        max_items: 16,
+      },
+
       reactions: {
         max_reactions: EmojiReaction::EMOJI_REACTION_PER_ACCOUNT_LIMIT,
       },
@@ -110,6 +114,7 @@ class REST::InstanceSerializer < ActiveModel::Serializer
       :kmyblue_searchability,
       :searchability,
       :kmyblue_markdown,
+      :kmyblue_reaction_deck,
     ]
 
     capabilities << :profile_search unless Chewy.enabled?
diff --git a/app/serializers/rest/v1/instance_serializer.rb b/app/serializers/rest/v1/instance_serializer.rb
index c10520a606..b5a1d3abe6 100644
--- a/app/serializers/rest/v1/instance_serializer.rb
+++ b/app/serializers/rest/v1/instance_serializer.rb
@@ -91,6 +91,10 @@ class REST::V1::InstanceSerializer < ActiveModel::Serializer
         max_reactions_per_account: EmojiReaction::EMOJI_REACTION_PER_ACCOUNT_LIMIT,
       },
 
+      reaction_deck: {
+        max_items: 16,
+      },
+
       reactions: {
         max_reactions: EmojiReaction::EMOJI_REACTION_PER_ACCOUNT_LIMIT,
       },
@@ -119,6 +123,7 @@ class REST::V1::InstanceSerializer < ActiveModel::Serializer
       :kmyblue_searchability,
       :searchability,
       :kmyblue_markdown,
+      :kmyblue_reaction_deck,
     ]
 
     capabilities << :profile_search unless Chewy.enabled?
diff --git a/app/views/settings/preferences/appearance/show.html.haml b/app/views/settings/preferences/appearance/show.html.haml
index 0ca5df5eac..43c3be19df 100644
--- a/app/views/settings/preferences/appearance/show.html.haml
+++ b/app/views/settings/preferences/appearance/show.html.haml
@@ -39,6 +39,9 @@
     .fields-group
       = ff.input :'web.crop_images', wrapper: :with_label, label: I18n.t('simple_form.labels.defaults.setting_crop_images')
 
+    .fields-group
+      = ff.input :'web.hide_recent_emojis', wrapper: :with_label, kmyblue: true, label: I18n.t('simple_form.labels.defaults.setting_hide_recent_emojis'), hint: false
+
     .fields-group
       = ff.input :emoji_reaction_streaming_notify_impl2, as: :boolean, wrapper: :with_label, kmyblue: true, label: I18n.t('simple_form.labels.defaults.setting_emoji_reaction_streaming_notify_impl2'), hint: I18n.t('simple_form.hints.defaults.setting_emoji_reaction_streaming_notify_impl2')
 
diff --git a/config/locales/simple_form.en.yml b/config/locales/simple_form.en.yml
index bfae64a85c..8e4b4dd45f 100644
--- a/config/locales/simple_form.en.yml
+++ b/config/locales/simple_form.en.yml
@@ -225,6 +225,7 @@ en:
         setting_hide_followers_count: Hide followers count
         setting_hide_following_count: Hide following count
         setting_hide_network: Hide your social graph
+        setting_hide_recent_emojis: Hide recent emojis
         setting_hide_statuses_count: Hide statuses count
         setting_noai: Set noai meta tags
         setting_noindex: Opt-out of search engine indexing
diff --git a/config/locales/simple_form.ja.yml b/config/locales/simple_form.ja.yml
index 817ca05d6f..5e0a8c9076 100644
--- a/config/locales/simple_form.ja.yml
+++ b/config/locales/simple_form.ja.yml
@@ -233,6 +233,7 @@ ja:
         setting_hide_followers_count: フォロワー数を隠す
         setting_hide_following_count: フォロー数を隠す
         setting_hide_network: 繋がりを隠す
+        setting_hide_recent_emojis: 絵文字ピッカーで最近使用した絵文字を隠す（リアクションデッキのみを表示する）
         setting_hide_statuses_count: 投稿数を隠す
         setting_noai: 自分のコンテンツのAI学習利用に対して不快感を表明する
         setting_noindex: 検索エンジンによるインデックスを拒否する
diff --git a/config/routes.rb b/config/routes.rb
index d57c32505d..b3b37ff591 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -19,6 +19,7 @@ Rails.application.routes.draw do
     /emoji_reactions
     /bookmarks
     /pinned
+    /reaction_deck
     /start
     /directory
     /explore/(*any)
diff --git a/config/routes/api.rb b/config/routes/api.rb
index 5590b5e4e5..57543be8fb 100644
--- a/config/routes/api.rb
+++ b/config/routes/api.rb
@@ -54,6 +54,7 @@ namespace :api, format: false do
     get '/streaming/(*any)', to: 'streaming#index'
 
     resources :custom_emojis, only: [:index]
+    resources :reaction_deck, only: [:index, :create]
     resources :suggestions, only: [:index, :destroy]
     resources :scheduled_statuses, only: [:index, :show, :update, :destroy]
     resources :preferences, only: [:index]