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

73 files changed, 756 insertions, 54 deletions

diff --git a/app/javascript/mastodon/actions/lists.js b/app/javascript/mastodon/actions/lists.js
index 12cb17159..d736bacef 100644
--- a/app/javascript/mastodon/actions/lists.js
+++ b/app/javascript/mastodon/actions/lists.js
@@ -42,6 +42,13 @@ export const LIST_EDITOR_REMOVE_REQUEST = 'LIST_EDITOR_REMOVE_REQUEST';
 export const LIST_EDITOR_REMOVE_SUCCESS = 'LIST_EDITOR_REMOVE_SUCCESS';
 export const LIST_EDITOR_REMOVE_FAIL    = 'LIST_EDITOR_REMOVE_FAIL';
 
+export const LIST_ADDER_RESET = 'LIST_ADDER_RESET';
+export const LIST_ADDER_SETUP = 'LIST_ADDER_SETUP';
+
+export const LIST_ADDER_LISTS_FETCH_REQUEST = 'LIST_ADDER_LISTS_FETCH_REQUEST';
+export const LIST_ADDER_LISTS_FETCH_SUCCESS = 'LIST_ADDER_LISTS_FETCH_SUCCESS';
+export const LIST_ADDER_LISTS_FETCH_FAIL    = 'LIST_ADDER_LISTS_FETCH_FAIL';
+
 export const fetchList = id => (dispatch, getState) => {
   if (getState().getIn(['lists', id])) {
     return;
@@ -316,3 +323,50 @@ export const removeFromListFail = (listId, accountId, error) => ({
   accountId,
   error,
 });
+
+export const resetListAdder = () => ({
+  type: LIST_ADDER_RESET,
+});
+
+export const setupListAdder = accountId => (dispatch, getState) => {
+  dispatch({
+    type: LIST_ADDER_SETUP,
+    account: getState().getIn(['accounts', accountId]),
+  });
+  dispatch(fetchLists());
+  dispatch(fetchAccountLists(accountId));
+};
+
+export const fetchAccountLists = accountId => (dispatch, getState) => {
+  dispatch(fetchAccountListsRequest(accountId));
+
+  api(getState).get(`/api/v1/accounts/${accountId}/lists`)
+    .then(({ data }) => dispatch(fetchAccountListsSuccess(accountId, data)))
+    .catch(err => dispatch(fetchAccountListsFail(accountId, err)));
+};
+
+export const fetchAccountListsRequest = id => ({
+  type:LIST_ADDER_LISTS_FETCH_REQUEST,
+  id,
+});
+
+export const fetchAccountListsSuccess = (id, lists) => ({
+  type: LIST_ADDER_LISTS_FETCH_SUCCESS,
+  id,
+  lists,
+});
+
+export const fetchAccountListsFail = (id, err) => ({
+  type: LIST_ADDER_LISTS_FETCH_FAIL,
+  id,
+  err,
+});
+
+export const addToListAdder = listId => (dispatch, getState) => {
+  dispatch(addToList(listId, getState().getIn(['listAdder', 'accountId'])));
+};
+
+export const removeFromListAdder = listId => (dispatch, getState) => {
+  dispatch(removeFromList(listId, getState().getIn(['listAdder', 'accountId'])));
+};
+
diff --git a/app/javascript/mastodon/actions/streaming.js b/app/javascript/mastodon/actions/streaming.js
index 8cf055540..cd319709d 100644
--- a/app/javascript/mastodon/actions/streaming.js
+++ b/app/javascript/mastodon/actions/streaming.js
@@ -12,7 +12,7 @@ import { getLocale } from '../locales';
 
 const { messages } = getLocale();
 
-export function connectTimelineStream (timelineId, path, pollingRefresh = null) {
+export function connectTimelineStream (timelineId, path, pollingRefresh = null, accept = null) {
 
   return connectStream (path, pollingRefresh, (dispatch, getState) => {
     const locale = getState().getIn(['meta', 'locale']);
@@ -24,7 +24,7 @@ export function connectTimelineStream (timelineId, path, pollingRefresh = null)
       onReceive (data) {
         switch(data.event) {
         case 'update':
-          dispatch(updateTimeline(timelineId, JSON.parse(data.payload)));
+          dispatch(updateTimeline(timelineId, JSON.parse(data.payload), accept));
           break;
         case 'delete':
           dispatch(deleteFromTimelines(data.payload));
@@ -51,6 +51,6 @@ const refreshHomeTimelineAndNotification = (dispatch, done) => {
 export const connectUserStream      = () => connectTimelineStream('home', 'user', refreshHomeTimelineAndNotification);
 export const connectCommunityStream = ({ onlyMedia } = {}) => connectTimelineStream(`community${onlyMedia ? ':media' : ''}`, `public:local${onlyMedia ? ':media' : ''}`);
 export const connectPublicStream    = ({ onlyMedia } = {}) => connectTimelineStream(`public${onlyMedia ? ':media' : ''}`, `public${onlyMedia ? ':media' : ''}`);
-export const connectHashtagStream   = tag => connectTimelineStream(`hashtag:${tag}`, `hashtag&tag=${tag}`);
+export const connectHashtagStream   = (id, tag, accept) => connectTimelineStream(`hashtag:${id}`, `hashtag&tag=${tag}`, null, accept);
 export const connectDirectStream    = () => connectTimelineStream('direct', 'direct');
 export const connectListStream      = id => connectTimelineStream(`list:${id}`, `list&list=${id}`);
diff --git a/app/javascript/mastodon/actions/timelines.js b/app/javascript/mastodon/actions/timelines.js
index c4fc6448c..2b7962a6e 100644
--- a/app/javascript/mastodon/actions/timelines.js
+++ b/app/javascript/mastodon/actions/timelines.js
@@ -4,6 +4,7 @@ import { Map as ImmutableMap, List as ImmutableList } from 'immutable';
 
 export const TIMELINE_UPDATE  = 'TIMELINE_UPDATE';
 export const TIMELINE_DELETE  = 'TIMELINE_DELETE';
+export const TIMELINE_CLEAR   = 'TIMELINE_CLEAR';
 
 export const TIMELINE_EXPAND_REQUEST = 'TIMELINE_EXPAND_REQUEST';
 export const TIMELINE_EXPAND_SUCCESS = 'TIMELINE_EXPAND_SUCCESS';
@@ -13,10 +14,14 @@ export const TIMELINE_SCROLL_TOP = 'TIMELINE_SCROLL_TOP';
 
 export const TIMELINE_DISCONNECT = 'TIMELINE_DISCONNECT';
 
-export function updateTimeline(timeline, status) {
+export function updateTimeline(timeline, status, accept) {
   return (dispatch, getState) => {
     const references = status.reblog ? getState().get('statuses').filter((item, itemId) => (itemId === status.reblog.id || item.get('reblog') === status.reblog.id)).map((_, itemId) => itemId) : [];
 
+    if (typeof accept === 'function' && !accept(status)) {
+      return;
+    }
+
     dispatch(importFetchedStatus(status));
 
     dispatch({
@@ -44,8 +49,20 @@ export function deleteFromTimelines(id) {
   };
 };
 
+export function clearTimeline(timeline) {
+  return (dispatch) => {
+    dispatch({ type: TIMELINE_CLEAR, timeline });
+  };
+};
+
 const noOp = () => {};
 
+const parseTags = (tags = {}, mode) => {
+  return (tags[mode] || []).map((tag) => {
+    return tag.value;
+  });
+};
+
 export function expandTimeline(timelineId, path, params = {}, done = noOp) {
   return (dispatch, getState) => {
     const timeline = getState().getIn(['timelines', timelineId], ImmutableMap());
@@ -79,9 +96,17 @@ export const expandCommunityTimeline       = ({ maxId, onlyMedia } = {}, done =
 export const expandAccountTimeline         = (accountId, { maxId, withReplies } = {}) => expandTimeline(`account:${accountId}${withReplies ? ':with_replies' : ''}`, `/api/v1/accounts/${accountId}/statuses`, { exclude_replies: !withReplies, max_id: maxId });
 export const expandAccountFeaturedTimeline = accountId => expandTimeline(`account:${accountId}:pinned`, `/api/v1/accounts/${accountId}/statuses`, { pinned: true });
 export const expandAccountMediaTimeline    = (accountId, { maxId } = {}) => expandTimeline(`account:${accountId}:media`, `/api/v1/accounts/${accountId}/statuses`, { max_id: maxId, only_media: true });
-export const expandHashtagTimeline         = (hashtag, { maxId } = {}, done = noOp) => expandTimeline(`hashtag:${hashtag}`, `/api/v1/timelines/tag/${hashtag}`, { max_id: maxId }, done);
 export const expandListTimeline            = (id, { maxId } = {}, done = noOp) => expandTimeline(`list:${id}`, `/api/v1/timelines/list/${id}`, { max_id: maxId }, done);
 
+export const expandHashtagTimeline         = (hashtag, { maxId, tags } = {}, done = noOp) => {
+  return expandTimeline(`hashtag:${hashtag}`, `/api/v1/timelines/tag/${hashtag}`, {
+    max_id: maxId,
+    any: parseTags(tags, 'any'),
+    all: parseTags(tags, 'all'),
+    none: parseTags(tags, 'none'),
+  }, done);
+};
+
 export function expandTimelineRequest(timeline) {
   return {
     type: TIMELINE_EXPAND_REQUEST,
diff --git a/app/javascript/mastodon/components/scrollable_list.js b/app/javascript/mastodon/components/scrollable_list.js
index 5c888650c..e51c83c2b 100644
--- a/app/javascript/mastodon/components/scrollable_list.js
+++ b/app/javascript/mastodon/components/scrollable_list.js
@@ -9,6 +9,8 @@ import { List as ImmutableList } from 'immutable';
 import classNames from 'classnames';
 import { attachFullscreenListener, detachFullscreenListener, isFullscreen } from '../features/ui/util/fullscreen';
 
+const MOUSE_IDLE_DELAY = 300;
+
 export default class ScrollableList extends PureComponent {
 
   static contextTypes = {
@@ -37,6 +39,8 @@ export default class ScrollableList extends PureComponent {
 
   state = {
     fullscreen: null,
+    mouseMovedRecently: false,
+    scrollToTopOnMouseIdle: false,
   };
 
   intersectionObserverWrapper = new IntersectionObserverWrapper();
@@ -60,6 +64,47 @@ export default class ScrollableList extends PureComponent {
     trailing: true,
   });
 
+  mouseIdleTimer = null;
+
+  clearMouseIdleTimer = () => {
+    if (this.mouseIdleTimer === null) {
+      return;
+    }
+    clearTimeout(this.mouseIdleTimer);
+    this.mouseIdleTimer = null;
+  };
+
+  handleMouseMove = throttle(() => {
+    // As long as the mouse keeps moving, clear and restart the idle timer.
+    this.clearMouseIdleTimer();
+    this.mouseIdleTimer =
+      setTimeout(this.handleMouseIdle, MOUSE_IDLE_DELAY);
+
+    this.setState(({
+      mouseMovedRecently,
+      scrollToTopOnMouseIdle,
+    }) => ({
+      mouseMovedRecently: true,
+      // Only set scrollToTopOnMouseIdle if we just started moving and were
+      // scrolled to the top. Otherwise, just retain the previous state.
+      scrollToTopOnMouseIdle:
+        mouseMovedRecently
+          ? scrollToTopOnMouseIdle
+          : (this.node.scrollTop === 0),
+    }));
+  }, MOUSE_IDLE_DELAY / 2);
+
+  handleMouseIdle = () => {
+    if (this.state.scrollToTopOnMouseIdle) {
+      this.node.scrollTop = 0;
+      this.props.onScrollToTop();
+    }
+    this.setState({
+      mouseMovedRecently: false,
+      scrollToTopOnMouseIdle: false,
+    });
+  }
+
   componentDidMount () {
     this.attachScrollListener();
     this.attachIntersectionObserver();
@@ -73,7 +118,7 @@ export default class ScrollableList extends PureComponent {
     const someItemInserted = React.Children.count(prevProps.children) > 0 &&
       React.Children.count(prevProps.children) < React.Children.count(this.props.children) &&
       this.getFirstChildKey(prevProps) !== this.getFirstChildKey(this.props);
-    if (someItemInserted && this.node.scrollTop > 0) {
+    if ((someItemInserted && this.node.scrollTop > 0) || this.state.mouseMovedRecently) {
       return this.node.scrollHeight - this.node.scrollTop;
     } else {
       return null;
@@ -93,6 +138,7 @@ export default class ScrollableList extends PureComponent {
   }
 
   componentWillUnmount () {
+    this.clearMouseIdleTimer();
     this.detachScrollListener();
     this.detachIntersectionObserver();
     detachFullscreenListener(this.onFullScreenChange);
@@ -151,7 +197,7 @@ export default class ScrollableList extends PureComponent {
 
     if (isLoading || childrenCount > 0 || !emptyMessage) {
       scrollableArea = (
-        <div className={classNames('scrollable', { fullscreen })} ref={this.setRef}>
+        <div className={classNames('scrollable', { fullscreen })} ref={this.setRef} onMouseMove={this.handleMouseMove}>
           <div role='feed' className='item-list'>
             {prepend}
 
diff --git a/app/javascript/mastodon/features/account/components/action_bar.js b/app/javascript/mastodon/features/account/components/action_bar.js
index c9ae2df98..e6ae1a2fd 100644
--- a/app/javascript/mastodon/features/account/components/action_bar.js
+++ b/app/javascript/mastodon/features/account/components/action_bar.js
@@ -34,6 +34,7 @@ const messages = defineMessages({
   mutes: { id: 'navigation_bar.mutes', defaultMessage: 'Muted users' },
   endorse: { id: 'account.endorse', defaultMessage: 'Feature on profile' },
   unendorse: { id: 'account.unendorse', defaultMessage: 'Don\'t feature on profile' },
+  add_or_remove_from_list: { id: 'account.add_or_remove_from_list', defaultMessage: 'Add or Remove from lists' },
 });
 
 export default @injectIntl
@@ -51,6 +52,7 @@ class ActionBar extends React.PureComponent {
     onBlockDomain: PropTypes.func.isRequired,
     onUnblockDomain: PropTypes.func.isRequired,
     onEndorseToggle: PropTypes.func.isRequired,
+    onAddToList: PropTypes.func.isRequired,
     intl: PropTypes.object.isRequired,
   };
 
@@ -105,6 +107,7 @@ class ActionBar extends React.PureComponent {
         }
 
         menu.push({ text: intl.formatMessage(account.getIn(['relationship', 'endorsed']) ? messages.unendorse : messages.endorse), action: this.props.onEndorseToggle });
+        menu.push({ text: intl.formatMessage(messages.add_or_remove_from_list), action: this.props.onAddToList });
         menu.push(null);
       }
 
diff --git a/app/javascript/mastodon/features/account_timeline/components/header.js b/app/javascript/mastodon/features/account_timeline/components/header.js
index ab29e4bdf..779e116e0 100644
--- a/app/javascript/mastodon/features/account_timeline/components/header.js
+++ b/app/javascript/mastodon/features/account_timeline/components/header.js
@@ -23,6 +23,7 @@ export default class Header extends ImmutablePureComponent {
     onBlockDomain: PropTypes.func.isRequired,
     onUnblockDomain: PropTypes.func.isRequired,
     onEndorseToggle: PropTypes.func.isRequired,
+    onAddToList: PropTypes.func.isRequired,
     hideTabs: PropTypes.bool,
   };
 
@@ -78,6 +79,10 @@ export default class Header extends ImmutablePureComponent {
     this.props.onEndorseToggle(this.props.account);
   }
 
+  handleAddToList = () => {
+    this.props.onAddToList(this.props.account);
+  }
+
   render () {
     const { account, hideTabs } = this.props;
 
@@ -106,6 +111,7 @@ export default class Header extends ImmutablePureComponent {
           onBlockDomain={this.handleBlockDomain}
           onUnblockDomain={this.handleUnblockDomain}
           onEndorseToggle={this.handleEndorseToggle}
+          onAddToList={this.handleAddToList}
         />
 
         {!hideTabs && (
diff --git a/app/javascript/mastodon/features/account_timeline/containers/header_container.js b/app/javascript/mastodon/features/account_timeline/containers/header_container.js
index 02803893d..0fd79d036 100644
--- a/app/javascript/mastodon/features/account_timeline/containers/header_container.js
+++ b/app/javascript/mastodon/features/account_timeline/containers/header_container.js
@@ -116,6 +116,12 @@ const mapDispatchToProps = (dispatch, { intl }) => ({
     dispatch(unblockDomain(domain));
   },
 
+  onAddToList(account){
+    dispatch(openModal('LIST_ADDER', {
+      accountId: account.get('id'),
+    }));
+  },
+
 });
 
 export default injectIntl(connect(makeMapStateToProps, mapDispatchToProps)(Header));
diff --git a/app/javascript/mastodon/features/hashtag_timeline/components/column_settings.js b/app/javascript/mastodon/features/hashtag_timeline/components/column_settings.js
new file mode 100644
index 000000000..82936c838
--- /dev/null
+++ b/app/javascript/mastodon/features/hashtag_timeline/components/column_settings.js
@@ -0,0 +1,102 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import { injectIntl, FormattedMessage } from 'react-intl';
+import Toggle from 'react-toggle';
+import AsyncSelect from 'react-select/lib/Async';
+
+@injectIntl
+export default class ColumnSettings extends React.PureComponent {
+
+  static propTypes = {
+    settings: ImmutablePropTypes.map.isRequired,
+    onChange: PropTypes.func.isRequired,
+    onLoad: PropTypes.func.isRequired,
+    intl: PropTypes.object.isRequired,
+  };
+
+  state = {
+    open: this.hasTags(),
+  };
+
+  hasTags () {
+    return ['all', 'any', 'none'].map(mode => this.tags(mode).length > 0).includes(true);
+  }
+
+  tags (mode) {
+    let tags = this.props.settings.getIn(['tags', mode]) || [];
+    if (tags.toJSON) {
+      return tags.toJSON();
+    } else {
+      return tags;
+    }
+  };
+
+  onSelect = (mode) => {
+    return (value) => {
+      this.props.onChange(['tags', mode], value);
+    };
+  };
+
+  onToggle = () => {
+    if (this.state.open && this.hasTags()) {
+      this.props.onChange('tags', {});
+    }
+    this.setState({ open: !this.state.open });
+  };
+
+  modeSelect (mode) {
+    return (
+      <div className='column-settings__section'>
+        {this.modeLabel(mode)}
+        <AsyncSelect
+          isMulti
+          autoFocus
+          value={this.tags(mode)}
+          settings={this.props.settings}
+          settingPath={['tags', mode]}
+          onChange={this.onSelect(mode)}
+          loadOptions={this.props.onLoad}
+          classNamePrefix='column-settings__hashtag-select'
+          name='tags'
+        />
+      </div>
+    );
+  }
+
+  modeLabel (mode) {
+    switch(mode) {
+    case 'any':  return <FormattedMessage id='hashtag.column_settings.tag_mode.any' defaultMessage='Any of these' />;
+    case 'all':  return <FormattedMessage id='hashtag.column_settings.tag_mode.all' defaultMessage='All of these' />;
+    case 'none': return <FormattedMessage id='hashtag.column_settings.tag_mode.none' defaultMessage='None of these' />;
+    }
+    return '';
+  };
+
+  render () {
+    return (
+      <div>
+        <div className='column-settings__row'>
+          <div className='setting-toggle'>
+            <Toggle
+              id='hashtag.column_settings.tag_toggle'
+              onChange={this.onToggle}
+              checked={this.state.open}
+            />
+            <span className='setting-toggle__label'>
+              <FormattedMessage id='hashtag.column_settings.tag_toggle' defaultMessage='Include additional tags in this column' />
+            </span>
+          </div>
+        </div>
+        {this.state.open &&
+          <div className='column-settings__hashtags'>
+            {this.modeSelect('any')}
+            {this.modeSelect('all')}
+            {this.modeSelect('none')}
+          </div>
+        }
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/mastodon/features/hashtag_timeline/containers/column_settings_container.js b/app/javascript/mastodon/features/hashtag_timeline/containers/column_settings_container.js
new file mode 100644
index 000000000..c5098052c
--- /dev/null
+++ b/app/javascript/mastodon/features/hashtag_timeline/containers/column_settings_container.js
@@ -0,0 +1,31 @@
+import { connect } from 'react-redux';
+import ColumnSettings from '../components/column_settings';
+import { changeColumnParams } from '../../../actions/columns';
+import api from '../../../api';
+
+const mapStateToProps = (state, { columnId }) => {
+  const columns = state.getIn(['settings', 'columns']);
+  const index   = columns.findIndex(c => c.get('uuid') === columnId);
+
+  if (!(columnId && index >= 0)) {
+    return {};
+  }
+
+  return { settings: columns.get(index).get('params') };
+};
+
+const mapDispatchToProps = (dispatch, { columnId }) => ({
+  onChange (key, value) {
+    dispatch(changeColumnParams(columnId, key, value));
+  },
+
+  onLoad (value) {
+    return api().get('/api/v2/search', { params: { q: value } }).then(response => {
+      return (response.data.hashtags || []).map((tag) => {
+        return { value: tag.name, label: `#${tag.name}` };
+      });
+    });
+  },
+});
+
+export default connect(mapStateToProps, mapDispatchToProps)(ColumnSettings);
diff --git a/app/javascript/mastodon/features/hashtag_timeline/index.js b/app/javascript/mastodon/features/hashtag_timeline/index.js
index 63efdf1bd..86658cb66 100644
--- a/app/javascript/mastodon/features/hashtag_timeline/index.js
+++ b/app/javascript/mastodon/features/hashtag_timeline/index.js
@@ -4,7 +4,8 @@ import PropTypes from 'prop-types';
 import StatusListContainer from '../ui/containers/status_list_container';
 import Column from '../../components/column';
 import ColumnHeader from '../../components/column_header';
-import { expandHashtagTimeline } from '../../actions/timelines';
+import ColumnSettingsContainer from './containers/column_settings_container';
+import { expandHashtagTimeline, clearTimeline } from '../../actions/timelines';
 import { addColumn, removeColumn, moveColumn } from '../../actions/columns';
 import { FormattedMessage } from 'react-intl';
 import { connectHashtagStream } from '../../actions/streaming';
@@ -16,6 +17,8 @@ const mapStateToProps = (state, props) => ({
 export default @connect(mapStateToProps)
 class HashtagTimeline extends React.PureComponent {
 
+  disconnects = [];
+
   static propTypes = {
     params: PropTypes.object.isRequired,
     columnId: PropTypes.string,
@@ -35,6 +38,30 @@ class HashtagTimeline extends React.PureComponent {
     }
   }
 
+  title = () => {
+    let title = [this.props.params.id];
+    if (this.additionalFor('any')) {
+      title.push(<FormattedMessage id='hashtag.column_header.tag_mode.any'  values={{ additional: this.additionalFor('any') }} defaultMessage=' or {additional}' />);
+    }
+    if (this.additionalFor('all')) {
+      title.push(<FormattedMessage id='hashtag.column_header.tag_mode.all'  values={{ additional: this.additionalFor('all') }} defaultMessage=' and {additional}' />);
+    }
+    if (this.additionalFor('none')) {
+      title.push(<FormattedMessage id='hashtag.column_header.tag_mode.none' values={{ additional: this.additionalFor('none') }} defaultMessage=' without {additional}' />);
+    }
+    return title;
+  }
+
+  additionalFor = (mode) => {
+    const { tags } = this.props.params;
+
+    if (tags && (tags[mode] || []).length > 0) {
+      return tags[mode].map(tag => tag.value).join('/');
+    } else {
+      return '';
+    }
+  }
+
   handleMove = (dir) => {
     const { columnId, dispatch } = this.props;
     dispatch(moveColumn(columnId, dir));
@@ -44,30 +71,40 @@ class HashtagTimeline extends React.PureComponent {
     this.column.scrollTop();
   }
 
-  _subscribe (dispatch, id) {
-    this.disconnect = dispatch(connectHashtagStream(id));
+  _subscribe (dispatch, id, tags = {}) {
+    let any  = (tags.any || []).map(tag => tag.value);
+    let all  = (tags.all || []).map(tag => tag.value);
+    let none = (tags.none || []).map(tag => tag.value);
+
+    [id, ...any].map((tag) => {
+      this.disconnects.push(dispatch(connectHashtagStream(id, tag, (status) => {
+        let tags = status.tags.map(tag => tag.name);
+        return all.filter(tag => tags.includes(tag)).length === all.length &&
+               none.filter(tag => tags.includes(tag)).length === 0;
+      })));
+    });
   }
 
   _unsubscribe () {
-    if (this.disconnect) {
-      this.disconnect();
-      this.disconnect = null;
-    }
+    this.disconnects.map(disconnect => disconnect());
+    this.disconnects = [];
   }
 
   componentDidMount () {
     const { dispatch } = this.props;
-    const { id } = this.props.params;
+    const { id, tags } = this.props.params;
 
-    dispatch(expandHashtagTimeline(id));
-    this._subscribe(dispatch, id);
+    dispatch(expandHashtagTimeline(id, { tags }));
   }
 
   componentWillReceiveProps (nextProps) {
-    if (nextProps.params.id !== this.props.params.id) {
-      this.props.dispatch(expandHashtagTimeline(nextProps.params.id));
+    const { dispatch, params } = this.props;
+    const { id, tags } = nextProps.params;
+    if (id !== params.id || tags !== params.tags) {
       this._unsubscribe();
-      this._subscribe(this.props.dispatch, nextProps.params.id);
+      this._subscribe(dispatch, id, tags);
+      this.props.dispatch(clearTimeline(`hashtag:${id}`));
+      this.props.dispatch(expandHashtagTimeline(id, { tags }));
     }
   }
 
@@ -80,7 +117,8 @@ class HashtagTimeline extends React.PureComponent {
   }
 
   handleLoadMore = maxId => {
-    this.props.dispatch(expandHashtagTimeline(this.props.params.id, { maxId }));
+    const { id, tags } = this.props.params;
+    this.props.dispatch(expandHashtagTimeline(id, { maxId, tags }));
   }
 
   render () {
@@ -93,14 +131,16 @@ class HashtagTimeline extends React.PureComponent {
         <ColumnHeader
           icon='hashtag'
           active={hasUnread}
-          title={id}
+          title={this.title()}
           onPin={this.handlePin}
           onMove={this.handleMove}
           onClick={this.handleHeaderClick}
           pinned={pinned}
           multiColumn={multiColumn}
           showBackButton
-        />
+        >
+          {columnId && <ColumnSettingsContainer columnId={columnId} />}
+        </ColumnHeader>
 
         <StatusListContainer
           trackScroll={!pinned}
diff --git a/app/javascript/mastodon/features/list_adder/components/account.js b/app/javascript/mastodon/features/list_adder/components/account.js
new file mode 100644
index 000000000..1369aac07
--- /dev/null
+++ b/app/javascript/mastodon/features/list_adder/components/account.js
@@ -0,0 +1,43 @@
+import React from 'react';
+import { connect } from 'react-redux';
+import { makeGetAccount } from '../../../selectors';
+import ImmutablePureComponent from 'react-immutable-pure-component';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import Avatar from '../../../components/avatar';
+import DisplayName from '../../../components/display_name';
+import { injectIntl } from 'react-intl';
+
+const makeMapStateToProps = () => {
+  const getAccount = makeGetAccount();
+
+  const mapStateToProps = (state, { accountId }) => ({
+    account: getAccount(state, accountId),
+  });
+
+  return mapStateToProps;
+};
+
+
+export default @connect(makeMapStateToProps)
+@injectIntl
+class Account extends ImmutablePureComponent {
+
+  static propTypes = {
+    account: ImmutablePropTypes.map.isRequired,
+  };
+
+  render () {
+    const { account } = this.props;
+    return (
+      <div className='account'>
+        <div className='account__wrapper'>
+          <div className='account__display-name'>
+            <div className='account__avatar-wrapper'><Avatar account={account} size={36} /></div>
+            <DisplayName account={account} />
+          </div>
+        </div>
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/mastodon/features/list_adder/components/list.js b/app/javascript/mastodon/features/list_adder/components/list.js
new file mode 100644
index 000000000..cb8eb7d7a
--- /dev/null
+++ b/app/javascript/mastodon/features/list_adder/components/list.js
@@ -0,0 +1,68 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { connect } from 'react-redux';
+import ImmutablePureComponent from 'react-immutable-pure-component';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import IconButton from '../../../components/icon_button';
+import { defineMessages, injectIntl } from 'react-intl';
+import { removeFromListAdder, addToListAdder } from '../../../actions/lists';
+
+const messages = defineMessages({
+  remove: { id: 'lists.account.remove', defaultMessage: 'Remove from list' },
+  add: { id: 'lists.account.add', defaultMessage: 'Add to list' },
+});
+
+const MapStateToProps = (state, { listId, added }) => ({
+  list: state.get('lists').get(listId),
+  added: typeof added === 'undefined' ? state.getIn(['listAdder', 'lists', 'items']).includes(listId) : added,
+});
+
+const mapDispatchToProps = (dispatch, { listId }) => ({
+  onRemove: () => dispatch(removeFromListAdder(listId)),
+  onAdd: () => dispatch(addToListAdder(listId)),
+});
+
+export default @connect(MapStateToProps, mapDispatchToProps)
+@injectIntl
+class List extends ImmutablePureComponent {
+
+  static propTypes = {
+    list: ImmutablePropTypes.map.isRequired,
+    intl: PropTypes.object.isRequired,
+    onRemove: PropTypes.func.isRequired,
+    onAdd: PropTypes.func.isRequired,
+    added: PropTypes.bool,
+  };
+
+  static defaultProps = {
+    added: false,
+  };
+
+  render () {
+    const { list, intl, onRemove, onAdd, added } = this.props;
+
+    let button;
+
+    if (added) {
+      button = <IconButton icon='times' title={intl.formatMessage(messages.remove)} onClick={onRemove} />;
+    } else {
+      button = <IconButton icon='plus' title={intl.formatMessage(messages.add)} onClick={onAdd} />;
+    }
+
+    return (
+      <div className='list'>
+        <div className='list__wrapper'>
+          <div className='list__display-name'>
+            <i className='fa fa-fw fa-list-ul column-link__icon' />
+            {list.get('title')}
+          </div>
+
+          <div className='account__relationship'>
+            {button}
+          </div>
+        </div>
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/mastodon/features/list_adder/index.js b/app/javascript/mastodon/features/list_adder/index.js
new file mode 100644
index 000000000..cb8a15e8c
--- /dev/null
+++ b/app/javascript/mastodon/features/list_adder/index.js
@@ -0,0 +1,73 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import { connect } from 'react-redux';
+import ImmutablePureComponent from 'react-immutable-pure-component';
+import { injectIntl } from 'react-intl';
+import { setupListAdder, resetListAdder } from '../../actions/lists';
+import { createSelector } from 'reselect';
+import List from './components/list';
+import Account from './components/account';
+import NewListForm from '../lists/components/new_list_form';
+// hack
+
+const getOrderedLists = createSelector([state => state.get('lists')], lists => {
+  if (!lists) {
+    return lists;
+  }
+
+  return lists.toList().filter(item => !!item).sort((a, b) => a.get('title').localeCompare(b.get('title')));
+});
+
+const mapStateToProps = state => ({
+  listIds: getOrderedLists(state).map(list=>list.get('id')),
+});
+
+const mapDispatchToProps = dispatch => ({
+  onInitialize: accountId => dispatch(setupListAdder(accountId)),
+  onReset: () => dispatch(resetListAdder()),
+});
+
+export default @connect(mapStateToProps, mapDispatchToProps)
+@injectIntl
+class ListAdder extends ImmutablePureComponent {
+
+  static propTypes = {
+    accountId: PropTypes.string.isRequired,
+    onClose: PropTypes.func.isRequired,
+    intl: PropTypes.object.isRequired,
+    onInitialize: PropTypes.func.isRequired,
+    onReset: PropTypes.func.isRequired,
+    listIds: ImmutablePropTypes.list.isRequired,
+  };
+
+  componentDidMount () {
+    const { onInitialize, accountId } = this.props;
+    onInitialize(accountId);
+  }
+
+  componentWillUnmount () {
+    const { onReset } = this.props;
+    onReset();
+  }
+
+  render () {
+    const { accountId, listIds } = this.props;
+
+    return (
+      <div className='modal-root__modal list-adder'>
+        <div className='list-adder__account'>
+          <Account accountId={accountId} />
+        </div>
+
+        <NewListForm />
+
+
+        <div className='list-adder__lists'>
+          {listIds.map(ListId => <List key={ListId} listId={ListId} />)}
+        </div>
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/mastodon/features/standalone/hashtag_timeline/index.js b/app/javascript/mastodon/features/standalone/hashtag_timeline/index.js
index 45c263257..759922638 100644
--- a/app/javascript/mastodon/features/standalone/hashtag_timeline/index.js
+++ b/app/javascript/mastodon/features/standalone/hashtag_timeline/index.js
@@ -27,7 +27,7 @@ class HashtagTimeline extends React.PureComponent {
     const { dispatch, hashtag } = this.props;
 
     dispatch(expandHashtagTimeline(hashtag));
-    this.disconnect = dispatch(connectHashtagStream(hashtag));
+    this.disconnect = dispatch(connectHashtagStream(hashtag, hashtag));
   }
 
   componentWillUnmount () {
diff --git a/app/javascript/mastodon/features/ui/components/modal_root.js b/app/javascript/mastodon/features/ui/components/modal_root.js
index d8e034554..b3b1ea862 100644
--- a/app/javascript/mastodon/features/ui/components/modal_root.js
+++ b/app/javascript/mastodon/features/ui/components/modal_root.js
@@ -16,6 +16,7 @@ import {
   ReportModal,
   EmbedModal,
   ListEditor,
+  ListAdder,
 } from '../../../features/ui/util/async-components';
 
 const MODAL_COMPONENTS = {
@@ -30,6 +31,7 @@ const MODAL_COMPONENTS = {
   'EMBED': EmbedModal,
   'LIST_EDITOR': ListEditor,
   'FOCAL_POINT': () => Promise.resolve({ default: FocalPointModal }),
+  'LIST_ADDER':ListAdder,
 };
 
 export default class ModalRoot extends React.PureComponent {
diff --git a/app/javascript/mastodon/features/ui/util/async-components.js b/app/javascript/mastodon/features/ui/util/async-components.js
index 8cf2a6e7d..2a15c052f 100644
--- a/app/javascript/mastodon/features/ui/util/async-components.js
+++ b/app/javascript/mastodon/features/ui/util/async-components.js
@@ -129,3 +129,7 @@ export function EmbedModal () {
 export function ListEditor () {
   return import(/* webpackChunkName: "features/list_editor" */'../../list_editor');
 }
+
+export function ListAdder () {
+  return import(/*webpackChunkName: "features/list_adder" */'../../list_adder');
+}
diff --git a/app/javascript/mastodon/locales/ar.json b/app/javascript/mastodon/locales/ar.json
index db2593afc..8cd9ba773 100644
--- a/app/javascript/mastodon/locales/ar.json
+++ b/app/javascript/mastodon/locales/ar.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "روبوت",
   "account.block": "حظر @{name}",
   "account.block_domain": "إخفاء كل شيئ قادم من إسم النطاق {domain}",
diff --git a/app/javascript/mastodon/locales/ast.json b/app/javascript/mastodon/locales/ast.json
index d84774f34..ab0f5b892 100644
--- a/app/javascript/mastodon/locales/ast.json
+++ b/app/javascript/mastodon/locales/ast.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Robó",
   "account.block": "Bloquiar a @{name}",
   "account.block_domain": "Hide everything from {domain}",
diff --git a/app/javascript/mastodon/locales/bg.json b/app/javascript/mastodon/locales/bg.json
index a4366126f..853361b80 100644
--- a/app/javascript/mastodon/locales/bg.json
+++ b/app/javascript/mastodon/locales/bg.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Bot",
   "account.block": "Блокирай",
   "account.block_domain": "Hide everything from {domain}",
diff --git a/app/javascript/mastodon/locales/ca.json b/app/javascript/mastodon/locales/ca.json
index 2e766da6a..f4c5f97be 100644
--- a/app/javascript/mastodon/locales/ca.json
+++ b/app/javascript/mastodon/locales/ca.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Bot",
   "account.block": "Bloca @{name}",
   "account.block_domain": "Amaga-ho tot de {domain}",
diff --git a/app/javascript/mastodon/locales/co.json b/app/javascript/mastodon/locales/co.json
index 357ff0ac8..f322ce53d 100644
--- a/app/javascript/mastodon/locales/co.json
+++ b/app/javascript/mastodon/locales/co.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Bot",
   "account.block": "Bluccà @{name}",
   "account.block_domain": "Piattà tuttu da {domain}",
diff --git a/app/javascript/mastodon/locales/cs.json b/app/javascript/mastodon/locales/cs.json
index 5f82dd8e0..e809eb136 100644
--- a/app/javascript/mastodon/locales/cs.json
+++ b/app/javascript/mastodon/locales/cs.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Robot",
   "account.block": "Zablokovat uživatele @{name}",
   "account.block_domain": "Skrýt vše z {domain}",
diff --git a/app/javascript/mastodon/locales/cy.json b/app/javascript/mastodon/locales/cy.json
index 78c8d02f0..71a34272e 100644
--- a/app/javascript/mastodon/locales/cy.json
+++ b/app/javascript/mastodon/locales/cy.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Bot",
   "account.block": "Blocio @{name}",
   "account.block_domain": "Cuddio popeth rhag {domain}",
diff --git a/app/javascript/mastodon/locales/da.json b/app/javascript/mastodon/locales/da.json
index d76f4ac1f..54cae027f 100644
--- a/app/javascript/mastodon/locales/da.json
+++ b/app/javascript/mastodon/locales/da.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Robot",
   "account.block": "Bloker @{name}",
   "account.block_domain": "Skjul alt fra {domain}",
diff --git a/app/javascript/mastodon/locales/de.json b/app/javascript/mastodon/locales/de.json
index 81b8ceedd..a81a52d51 100644
--- a/app/javascript/mastodon/locales/de.json
+++ b/app/javascript/mastodon/locales/de.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Bot",
   "account.block": "@{name} blockieren",
   "account.block_domain": "Alles von {domain} verstecken",
diff --git a/app/javascript/mastodon/locales/defaultMessages.json b/app/javascript/mastodon/locales/defaultMessages.json
index 737c55d37..ec2d38a47 100644
--- a/app/javascript/mastodon/locales/defaultMessages.json
+++ b/app/javascript/mastodon/locales/defaultMessages.json
@@ -578,6 +578,9 @@
         "id": "account.unendorse"
       },
       {
+        "id": "account.add_or_remove_from_list"
+      },
+      {
         "defaultMessage": "Information below may reflect the user's profile incompletely.",
         "id": "account.disclaimer_full"
       },
@@ -1455,6 +1458,19 @@
         "id": "lists.account.add"
       }
     ],
+    "path": "app/javascript/mastodon/features/list_adder/components/list.json"
+  },
+  {
+    "descriptors": [
+      {
+        "defaultMessage": "Remove from list",
+        "id": "lists.account.remove"
+      },
+      {
+        "defaultMessage": "Add to list",
+        "id": "lists.account.add"
+      }
+    ],
     "path": "app/javascript/mastodon/features/list_editor/components/account.json"
   },
   {
diff --git a/app/javascript/mastodon/locales/el.json b/app/javascript/mastodon/locales/el.json
index 8e67e7f90..06356f8e6 100644
--- a/app/javascript/mastodon/locales/el.json
+++ b/app/javascript/mastodon/locales/el.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Μποτ",
   "account.block": "Απόκλεισε τον/την @{name}",
   "account.block_domain": "Απόκρυψε τα πάντα από το {domain}",
diff --git a/app/javascript/mastodon/locales/en.json b/app/javascript/mastodon/locales/en.json
index a45d762c1..bd41b9714 100644
--- a/app/javascript/mastodon/locales/en.json
+++ b/app/javascript/mastodon/locales/en.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Bot",
   "account.block": "Block @{name}",
   "account.block_domain": "Hide everything from {domain}",
@@ -140,6 +141,13 @@
   "getting_started.open_source_notice": "Mastodon is open source software. You can contribute or report issues on GitHub at {github}.",
   "getting_started.security": "Security",
   "getting_started.terms": "Terms of service",
+  "hashtag.column_settings.tag_toggle": "Include additional tags for this column",
+  "hashtag.column_settings.tag_mode.any": "Any of these",
+  "hashtag.column_settings.tag_mode.all": "All of these",
+  "hashtag.column_settings.tag_mode.none": "None of these",
+  "hashtag.column_header.tag_mode.any": "{tag} or {additional}",
+  "hashtag.column_header.tag_mode.all": "{tag} and {additional}",
+  "hashtag.column_header.tag_mode.none": "{tag} without {additional}",
   "home.column_settings.basic": "Basic",
   "home.column_settings.show_reblogs": "Show boosts",
   "home.column_settings.show_replies": "Show replies",
diff --git a/app/javascript/mastodon/locales/eo.json b/app/javascript/mastodon/locales/eo.json
index 0522ce95b..ef9f99abb 100644
--- a/app/javascript/mastodon/locales/eo.json
+++ b/app/javascript/mastodon/locales/eo.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Roboto",
   "account.block": "Bloki @{name}",
   "account.block_domain": "Kaŝi ĉion de {domain}",
diff --git a/app/javascript/mastodon/locales/es.json b/app/javascript/mastodon/locales/es.json
index f06ac11a4..511209809 100644
--- a/app/javascript/mastodon/locales/es.json
+++ b/app/javascript/mastodon/locales/es.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Bot",
   "account.block": "Bloquear",
   "account.block_domain": "Ocultar todo de {domain}",
diff --git a/app/javascript/mastodon/locales/eu.json b/app/javascript/mastodon/locales/eu.json
index 300e7eae4..fb129967e 100644
--- a/app/javascript/mastodon/locales/eu.json
+++ b/app/javascript/mastodon/locales/eu.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Bot",
   "account.block": "Blokeatu @{name}",
   "account.block_domain": "Ezkutatu {domain} domeinuko guztia",
diff --git a/app/javascript/mastodon/locales/fa.json b/app/javascript/mastodon/locales/fa.json
index 7198931c4..e1d7d9628 100644
--- a/app/javascript/mastodon/locales/fa.json
+++ b/app/javascript/mastodon/locales/fa.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "ربات",
   "account.block": "مسدودسازی @{name}",
   "account.block_domain": "پنهان‌سازی همه چیز از سرور {domain}",
diff --git a/app/javascript/mastodon/locales/fi.json b/app/javascript/mastodon/locales/fi.json
index fc623dab8..abbcded90 100644
--- a/app/javascript/mastodon/locales/fi.json
+++ b/app/javascript/mastodon/locales/fi.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Botti",
   "account.block": "Estä @{name}",
   "account.block_domain": "Piilota kaikki sisältö verkkotunnuksesta {domain}",
diff --git a/app/javascript/mastodon/locales/fr.json b/app/javascript/mastodon/locales/fr.json
index d8b16672b..c6cb3cba8 100644
--- a/app/javascript/mastodon/locales/fr.json
+++ b/app/javascript/mastodon/locales/fr.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Bot",
   "account.block": "Bloquer @{name}",
   "account.block_domain": "Tout masquer venant de {domain}",
diff --git a/app/javascript/mastodon/locales/gl.json b/app/javascript/mastodon/locales/gl.json
index 2f8b76d3a..98011dac7 100644
--- a/app/javascript/mastodon/locales/gl.json
+++ b/app/javascript/mastodon/locales/gl.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Bot",
   "account.block": "Bloquear @{name}",
   "account.block_domain": "Ocultar calquer contido de {domain}",
diff --git a/app/javascript/mastodon/locales/he.json b/app/javascript/mastodon/locales/he.json
index 1ef20f231..d0c96917e 100644
--- a/app/javascript/mastodon/locales/he.json
+++ b/app/javascript/mastodon/locales/he.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Bot",
   "account.block": "חסימת @{name}",
   "account.block_domain": "להסתיר הכל מהקהילה {domain}",
diff --git a/app/javascript/mastodon/locales/hr.json b/app/javascript/mastodon/locales/hr.json
index c9b8e7f75..c50138e23 100644
--- a/app/javascript/mastodon/locales/hr.json
+++ b/app/javascript/mastodon/locales/hr.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Bot",
   "account.block": "Blokiraj @{name}",
   "account.block_domain": "Sakrij sve sa {domain}",
diff --git a/app/javascript/mastodon/locales/hu.json b/app/javascript/mastodon/locales/hu.json
index 66a1d4c09..90d186d57 100644
--- a/app/javascript/mastodon/locales/hu.json
+++ b/app/javascript/mastodon/locales/hu.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Bot",
   "account.block": "@{name} letiltása",
   "account.block_domain": "Minden elrejtése innen: {domain}",
diff --git a/app/javascript/mastodon/locales/hy.json b/app/javascript/mastodon/locales/hy.json
index e7d251a35..388cc4381 100644
--- a/app/javascript/mastodon/locales/hy.json
+++ b/app/javascript/mastodon/locales/hy.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Bot",
   "account.block": "Արգելափակել @{name}֊ին",
   "account.block_domain": "Թաքցնել ամենը հետեւյալ տիրույթից՝ {domain}",
diff --git a/app/javascript/mastodon/locales/id.json b/app/javascript/mastodon/locales/id.json
index 1c84ed061..4f3b654ab 100644
--- a/app/javascript/mastodon/locales/id.json
+++ b/app/javascript/mastodon/locales/id.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Bot",
   "account.block": "Blokir @{name}",
   "account.block_domain": "Sembunyikan segalanya dari {domain}",
diff --git a/app/javascript/mastodon/locales/io.json b/app/javascript/mastodon/locales/io.json
index 9963a52a5..55a5ba748 100644
--- a/app/javascript/mastodon/locales/io.json
+++ b/app/javascript/mastodon/locales/io.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Bot",
   "account.block": "Blokusar @{name}",
   "account.block_domain": "Hide everything from {domain}",
diff --git a/app/javascript/mastodon/locales/it.json b/app/javascript/mastodon/locales/it.json
index 711a360a9..d6f6ff3e2 100644
--- a/app/javascript/mastodon/locales/it.json
+++ b/app/javascript/mastodon/locales/it.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Bot",
   "account.block": "Blocca @{name}",
   "account.block_domain": "Nascondi tutto da {domain}",
diff --git a/app/javascript/mastodon/locales/ja.json b/app/javascript/mastodon/locales/ja.json
index 4dcc18518..a964d6133 100644
--- a/app/javascript/mastodon/locales/ja.json
+++ b/app/javascript/mastodon/locales/ja.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Bot",
   "account.block": "@{name}さんをブロック",
   "account.block_domain": "{domain}全体を非表示",
diff --git a/app/javascript/mastodon/locales/ka.json b/app/javascript/mastodon/locales/ka.json
index 9d6d0d66d..5d6537b90 100644
--- a/app/javascript/mastodon/locales/ka.json
+++ b/app/javascript/mastodon/locales/ka.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "ბოტი",
   "account.block": "დაბლოკე @{name}",
   "account.block_domain": "დაიმალოს ყველაფერი დომენიდან {domain}",
diff --git a/app/javascript/mastodon/locales/ko.json b/app/javascript/mastodon/locales/ko.json
index c779017f3..a7228d4d5 100644
--- a/app/javascript/mastodon/locales/ko.json
+++ b/app/javascript/mastodon/locales/ko.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "봇",
   "account.block": "@{name}을 차단",
   "account.block_domain": "{domain} 전체를 숨김",
diff --git a/app/javascript/mastodon/locales/nl.json b/app/javascript/mastodon/locales/nl.json
index 7a8ff6868..ec53a66b4 100644
--- a/app/javascript/mastodon/locales/nl.json
+++ b/app/javascript/mastodon/locales/nl.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Bot",
   "account.block": "Blokkeer @{name}",
   "account.block_domain": "Verberg alles van {domain}",
diff --git a/app/javascript/mastodon/locales/no.json b/app/javascript/mastodon/locales/no.json
index 7c7e7600e..d827a9816 100644
--- a/app/javascript/mastodon/locales/no.json
+++ b/app/javascript/mastodon/locales/no.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Bot",
   "account.block": "Blokkér @{name}",
   "account.block_domain": "Skjul alt fra {domain}",
diff --git a/app/javascript/mastodon/locales/oc.json b/app/javascript/mastodon/locales/oc.json
index 5df64e192..49da27568 100644
--- a/app/javascript/mastodon/locales/oc.json
+++ b/app/javascript/mastodon/locales/oc.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Robòt",
   "account.block": "Blocar @{name}",
   "account.block_domain": "Tot amagar del domeni {domain}",
diff --git a/app/javascript/mastodon/locales/pl.json b/app/javascript/mastodon/locales/pl.json
index 3f596bc37..ed9956d2d 100644
--- a/app/javascript/mastodon/locales/pl.json
+++ b/app/javascript/mastodon/locales/pl.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Bot",
   "account.block": "Blokuj @{name}",
   "account.block_domain": "Blokuj wszystko z {domain}",
diff --git a/app/javascript/mastodon/locales/pt-BR.json b/app/javascript/mastodon/locales/pt-BR.json
index 061d10f4d..440a39c00 100644
--- a/app/javascript/mastodon/locales/pt-BR.json
+++ b/app/javascript/mastodon/locales/pt-BR.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Robô",
   "account.block": "Bloquear @{name}",
   "account.block_domain": "Esconder tudo de {domain}",
diff --git a/app/javascript/mastodon/locales/pt.json b/app/javascript/mastodon/locales/pt.json
index adb10dd07..94d01f2a4 100644
--- a/app/javascript/mastodon/locales/pt.json
+++ b/app/javascript/mastodon/locales/pt.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Bot",
   "account.block": "Bloquear @{name}",
   "account.block_domain": "Esconder tudo do domínio {domain}",
diff --git a/app/javascript/mastodon/locales/ro.json b/app/javascript/mastodon/locales/ro.json
index 2a6479b91..ed6f2c7b1 100644
--- a/app/javascript/mastodon/locales/ro.json
+++ b/app/javascript/mastodon/locales/ro.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Bot",
   "account.block": "Blochează @{name}",
   "account.block_domain": "Ascunde tot de la {domain}",
diff --git a/app/javascript/mastodon/locales/ru.json b/app/javascript/mastodon/locales/ru.json
index cd65adcb5..d41cbd09d 100644
--- a/app/javascript/mastodon/locales/ru.json
+++ b/app/javascript/mastodon/locales/ru.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Бот",
   "account.block": "Блокировать",
   "account.block_domain": "Блокировать все с {domain}",
diff --git a/app/javascript/mastodon/locales/sk.json b/app/javascript/mastodon/locales/sk.json
index cca2e3c62..8d1547d66 100644
--- a/app/javascript/mastodon/locales/sk.json
+++ b/app/javascript/mastodon/locales/sk.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Bot",
   "account.block": "Blokuj @{name}",
   "account.block_domain": "Ukry všetko z {domain}",
diff --git a/app/javascript/mastodon/locales/sl.json b/app/javascript/mastodon/locales/sl.json
index 175a34efd..01f2ccbf9 100644
--- a/app/javascript/mastodon/locales/sl.json
+++ b/app/javascript/mastodon/locales/sl.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Robot",
   "account.block": "Blokiraj @{name}",
   "account.block_domain": "Skrij vse iz {domain}",
diff --git a/app/javascript/mastodon/locales/sr-Latn.json b/app/javascript/mastodon/locales/sr-Latn.json
index 6020512c4..b3075d2f1 100644
--- a/app/javascript/mastodon/locales/sr-Latn.json
+++ b/app/javascript/mastodon/locales/sr-Latn.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Bot",
   "account.block": "Blokiraj korisnika @{name}",
   "account.block_domain": "Sakrij sve sa domena {domain}",
diff --git a/app/javascript/mastodon/locales/sr.json b/app/javascript/mastodon/locales/sr.json
index 41d9e12b0..4ed720c9f 100644
--- a/app/javascript/mastodon/locales/sr.json
+++ b/app/javascript/mastodon/locales/sr.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Бот",
   "account.block": "Блокирај @{name}",
   "account.block_domain": "Сакриј све са домена {domain}",
diff --git a/app/javascript/mastodon/locales/sv.json b/app/javascript/mastodon/locales/sv.json
index dbe9f709a..7beee3cdc 100644
--- a/app/javascript/mastodon/locales/sv.json
+++ b/app/javascript/mastodon/locales/sv.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Robot",
   "account.block": "Blockera @{name}",
   "account.block_domain": "Dölj allt från {domain}",
diff --git a/app/javascript/mastodon/locales/ta.json b/app/javascript/mastodon/locales/ta.json
index 803e004cc..0c712e84c 100644
--- a/app/javascript/mastodon/locales/ta.json
+++ b/app/javascript/mastodon/locales/ta.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Bot",
   "account.block": "Block @{name}",
   "account.block_domain": "Hide everything from {domain}",
diff --git a/app/javascript/mastodon/locales/te.json b/app/javascript/mastodon/locales/te.json
index af036e300..c602362bf 100644
--- a/app/javascript/mastodon/locales/te.json
+++ b/app/javascript/mastodon/locales/te.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "బాట్",
   "account.block": "@{name} ను బ్లాక్ చేయి",
   "account.block_domain": "{domain} నుంచి అన్నీ దాచిపెట్టు",
diff --git a/app/javascript/mastodon/locales/th.json b/app/javascript/mastodon/locales/th.json
index fe36a966c..86d8c9b2b 100644
--- a/app/javascript/mastodon/locales/th.json
+++ b/app/javascript/mastodon/locales/th.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Bot",
   "account.block": "Block @{name}",
   "account.block_domain": "Hide everything from {domain}",
diff --git a/app/javascript/mastodon/locales/tr.json b/app/javascript/mastodon/locales/tr.json
index 323617f1d..98ae1185d 100644
--- a/app/javascript/mastodon/locales/tr.json
+++ b/app/javascript/mastodon/locales/tr.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Bot",
   "account.block": "Engelle @{name}",
   "account.block_domain": "Hide everything from {domain}",
diff --git a/app/javascript/mastodon/locales/uk.json b/app/javascript/mastodon/locales/uk.json
index cdc13c574..95a947f78 100644
--- a/app/javascript/mastodon/locales/uk.json
+++ b/app/javascript/mastodon/locales/uk.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Бот",
   "account.block": "Заблокувати @{name}",
   "account.block_domain": "Заглушити {domain}",
diff --git a/app/javascript/mastodon/locales/zh-CN.json b/app/javascript/mastodon/locales/zh-CN.json
index 9fee25e15..3d837001a 100644
--- a/app/javascript/mastodon/locales/zh-CN.json
+++ b/app/javascript/mastodon/locales/zh-CN.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "机器人",
   "account.block": "屏蔽 @{name}",
   "account.block_domain": "隐藏来自 {domain} 的内容",
diff --git a/app/javascript/mastodon/locales/zh-HK.json b/app/javascript/mastodon/locales/zh-HK.json
index 26eba48f8..035a645b8 100644
--- a/app/javascript/mastodon/locales/zh-HK.json
+++ b/app/javascript/mastodon/locales/zh-HK.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "機械人",
   "account.block": "封鎖 @{name}",
   "account.block_domain": "隱藏來自 {domain} 的一切文章",
diff --git a/app/javascript/mastodon/locales/zh-TW.json b/app/javascript/mastodon/locales/zh-TW.json
index 6d4a9a0bb..acacc571d 100644
--- a/app/javascript/mastodon/locales/zh-TW.json
+++ b/app/javascript/mastodon/locales/zh-TW.json
@@ -1,4 +1,5 @@
 {
+  "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "機器人",
   "account.block": "封鎖 @{name}",
   "account.block_domain": "隱藏來自 {domain} 的一切嘟文",
diff --git a/app/javascript/mastodon/reducers/conversations.js b/app/javascript/mastodon/reducers/conversations.js
index b13a9fdf4..955a07754 100644
--- a/app/javascript/mastodon/reducers/conversations.js
+++ b/app/javascript/mastodon/reducers/conversations.js
@@ -56,7 +56,13 @@ const expandNormalizedConversations = (state, conversations, next) => {
 
         list = list.concat(items);
 
-        return list.sortBy(x => x.get('last_status'), (a, b) => compareId(a, b) * -1);
+        return list.sortBy(x => x.get('last_status'), (a, b) => {
+          if(a === null || b === null) {
+            return -1;
+          }
+
+          return compareId(a, b) * -1;
+        });
       });
     }
 
diff --git a/app/javascript/mastodon/reducers/index.js b/app/javascript/mastodon/reducers/index.js
index 2c98af1db..0f0de849f 100644
--- a/app/javascript/mastodon/reducers/index.js
+++ b/app/javascript/mastodon/reducers/index.js
@@ -25,6 +25,7 @@ import height_cache from './height_cache';
 import custom_emojis from './custom_emojis';
 import lists from './lists';
 import listEditor from './list_editor';
+import listAdder from './list_adder';
 import filters from './filters';
 import conversations from './conversations';
 import suggestions from './suggestions';
@@ -56,6 +57,7 @@ const reducers = {
   custom_emojis,
   lists,
   listEditor,
+  listAdder,
   filters,
   conversations,
   suggestions,
diff --git a/app/javascript/mastodon/reducers/list_adder.js b/app/javascript/mastodon/reducers/list_adder.js
new file mode 100644
index 000000000..b8c1b0e26
--- /dev/null
+++ b/app/javascript/mastodon/reducers/list_adder.js
@@ -0,0 +1,47 @@
+import { Map as ImmutableMap, List as ImmutableList } from 'immutable';
+import {
+  LIST_ADDER_RESET,
+  LIST_ADDER_SETUP,
+  LIST_ADDER_LISTS_FETCH_REQUEST,
+  LIST_ADDER_LISTS_FETCH_SUCCESS,
+  LIST_ADDER_LISTS_FETCH_FAIL,
+  LIST_EDITOR_ADD_SUCCESS,
+  LIST_EDITOR_REMOVE_SUCCESS,
+} from '../actions/lists';
+
+const initialState = ImmutableMap({
+  accountId: null,
+
+  lists: ImmutableMap({
+    items: ImmutableList(),
+    loaded: false,
+    isLoading: false,
+  }),
+});
+
+export default function listAdderReducer(state = initialState, action) {
+  switch(action.type) {
+  case LIST_ADDER_RESET:
+    return initialState;
+  case LIST_ADDER_SETUP:
+    return state.withMutations(map => {
+      map.set('accountId', action.account.get('id'));
+    });
+  case LIST_ADDER_LISTS_FETCH_REQUEST:
+    return state.setIn(['lists', 'isLoading'], true);
+  case LIST_ADDER_LISTS_FETCH_FAIL:
+    return state.setIn(['lists', 'isLoading'], false);
+  case LIST_ADDER_LISTS_FETCH_SUCCESS:
+    return state.update('lists', lists => lists.withMutations(map => {
+      map.set('isLoading', false);
+      map.set('loaded', true);
+      map.set('items', ImmutableList(action.lists.map(item => item.id)));
+    }));
+  case LIST_EDITOR_ADD_SUCCESS:
+    return state.updateIn(['lists', 'items'], list => list.unshift(action.listId));
+  case LIST_EDITOR_REMOVE_SUCCESS:
+    return state.updateIn(['lists', 'items'], list => list.filterNot(item => item === action.listId));
+  default:
+    return state;
+  }
+};
diff --git a/app/javascript/mastodon/reducers/timelines.js b/app/javascript/mastodon/reducers/timelines.js
index 916a091eb..664d65151 100644
--- a/app/javascript/mastodon/reducers/timelines.js
+++ b/app/javascript/mastodon/reducers/timelines.js
@@ -1,6 +1,7 @@
 import {
   TIMELINE_UPDATE,
   TIMELINE_DELETE,
+  TIMELINE_CLEAR,
   TIMELINE_EXPAND_SUCCESS,
   TIMELINE_EXPAND_REQUEST,
   TIMELINE_EXPAND_FAIL,
@@ -86,6 +87,10 @@ const deleteStatus = (state, id, accountId, references) => {
   return state;
 };
 
+const clearTimeline = (state, timeline) => {
+  return state.updateIn([timeline, 'items'], list => list.clear());
+};
+
 const filterTimelines = (state, relationship, statuses) => {
   let references;
 
@@ -126,6 +131,8 @@ export default function timelines(state = initialState, action) {
     return updateTimeline(state, action.timeline, fromJS(action.status));
   case TIMELINE_DELETE:
     return deleteStatus(state, action.id, action.accountId, action.references, action.reblogOf);
+  case TIMELINE_CLEAR:
+    return clearTimeline(state, action.timeline);
   case ACCOUNT_BLOCK_SUCCESS:
   case ACCOUNT_MUTE_SUCCESS:
     return filterTimelines(state, action.relationship, action.statuses);
diff --git a/app/javascript/styles/mastodon/_mixins.scss b/app/javascript/styles/mastodon/_mixins.scss
index 67d768a6c..d5bafe6b6 100644
--- a/app/javascript/styles/mastodon/_mixins.scss
+++ b/app/javascript/styles/mastodon/_mixins.scss
@@ -10,3 +10,34 @@
   height: $size;
   background-size: $size $size;
 }
+
+@mixin search-input() {
+  outline: 0;
+  box-sizing: border-box;
+  width: 100%;
+  border: none;
+  box-shadow: none;
+  font-family: inherit;
+  background: $ui-base-color;
+  color: $darker-text-color;
+  font-size: 14px;
+  margin: 0;
+
+  &::-moz-focus-inner {
+    border: 0;
+  }
+
+  &::-moz-focus-inner,
+  &:focus,
+  &:active {
+    outline: 0 !important;
+  }
+
+  &:focus {
+    background: lighten($ui-base-color, 4%);
+  }
+
+  @media screen and (max-width: 600px) {
+    font-size: 16px;
+  }
+}
diff --git a/app/javascript/styles/mastodon/components.scss b/app/javascript/styles/mastodon/components.scss
index f778ba06b..e669bf2e2 100644
--- a/app/javascript/styles/mastodon/components.scss
+++ b/app/javascript/styles/mastodon/components.scss
@@ -3022,6 +3022,26 @@ a.status-card.compact:hover {
   display: block;
   font-weight: 500;
   margin-bottom: 10px;
+
+  .column-settings__hashtag-select {
+    &__control {
+      @include search-input();
+    }
+
+    &__multi-value {
+      background: lighten($ui-base-color, 8%);
+    }
+
+    &__multi-value__label,
+    &__input {
+      color: $darker-text-color;
+    }
+
+    &__indicator-separator,
+    &__dropdown-indicator {
+      display: none;
+    }
+  }
 }
 
 .column-settings__row {
@@ -3473,36 +3493,10 @@ a.status-card.compact:hover {
 }
 
 .search__input {
-  outline: 0;
-  box-sizing: border-box;
   display: block;
-  width: 100%;
-  border: none;
   padding: 10px;
   padding-right: 30px;
-  font-family: inherit;
-  background: $ui-base-color;
-  color: $darker-text-color;
-  font-size: 14px;
-  margin: 0;
-
-  &::-moz-focus-inner {
-    border: 0;
-  }
-
-  &::-moz-focus-inner,
-  &:focus,
-  &:active {
-    outline: 0 !important;
-  }
-
-  &:focus {
-    background: lighten($ui-base-color, 4%);
-  }
-
-  @media screen and (max-width: 600px) {
-    font-size: 16px;
-  }
+  @include search-input();
 }
 
 .search__icon {
@@ -5344,6 +5338,47 @@ noscript {
   }
 }
 
+.list-adder {
+  background: $ui-base-color;
+  flex-direction: column;
+  border-radius: 8px;
+  box-shadow: 2px 4px 15px rgba($base-shadow-color, 0.4);
+  width: 380px;
+  overflow: hidden;
+
+  @media screen and (max-width: 420px) {
+    width: 90%;
+  }
+
+  &__account {
+    background: lighten($ui-base-color, 13%);
+  }
+
+  &__lists {
+    background: lighten($ui-base-color, 13%);
+    height: 50vh;
+    border-radius: 0 0 8px 8px;
+    overflow-y: auto;
+  }
+
+  .list {
+    padding: 10px;
+    border-bottom: 1px solid lighten($ui-base-color, 8%);
+  }
+
+  .list__wrapper {
+    display: flex;
+  }
+
+  .list__display-name {
+    flex: 1 1 auto;
+    overflow: hidden;
+    text-decoration: none;
+    font-size: 16px;
+    padding: 10px;
+  }
+}
+
 .focal-point-modal {
   max-width: 80vw;
   max-height: 80vh;
diff --git a/app/javascript/styles/mastodon/reset.scss b/app/javascript/styles/mastodon/reset.scss
index a140e8bc7..e24ba8c1c 100644
--- a/app/javascript/styles/mastodon/reset.scss
+++ b/app/javascript/styles/mastodon/reset.scss
@@ -54,8 +54,7 @@ table {
 }
 
 html {
-  scrollbar-face-color: lighten($ui-base-color, 4%);
-  scrollbar-track-color: rgba($base-overlay-background, 0.1);
+  scrollbar-color: lighten($ui-base-color, 4%) transparent;
 }
 
 ::-webkit-scrollbar {