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-rw-r--r--app/javascript/mastodon/actions/account_notes.js36
-rw-r--r--app/javascript/mastodon/actions/compose.js49
-rw-r--r--app/javascript/mastodon/components/autosuggest_hashtag.js24
-rw-r--r--app/javascript/mastodon/components/common_counter.js62
-rw-r--r--app/javascript/mastodon/components/hashtag.js49
-rw-r--r--app/javascript/mastodon/components/short_number.js117
-rw-r--r--app/javascript/mastodon/features/account/components/account_note.js183
-rw-r--r--app/javascript/mastodon/features/account/components/header.js29
-rw-r--r--app/javascript/mastodon/features/account/containers/account_note_container.js29
-rw-r--r--app/javascript/mastodon/features/account_timeline/containers/header_container.js5
-rw-r--r--app/javascript/mastodon/features/directory/components/account_card.js171
-rw-r--r--app/javascript/mastodon/features/hashtag_timeline/components/column_settings.js27
-rw-r--r--app/javascript/mastodon/features/ui/components/focal_point_modal.js55
-rw-r--r--app/javascript/mastodon/locales/defaultMessages.json20
-rw-r--r--app/javascript/mastodon/locales/en.json11
-rw-r--r--app/javascript/mastodon/reducers/account_notes.js44
-rw-r--r--app/javascript/mastodon/reducers/compose.js22
-rw-r--r--app/javascript/mastodon/reducers/index.js2
-rw-r--r--app/javascript/mastodon/utils/numbers.js85
-rw-r--r--app/javascript/styles/mastodon/components.scss86
20 files changed, 788 insertions, 318 deletions
diff --git a/app/javascript/mastodon/actions/account_notes.js b/app/javascript/mastodon/actions/account_notes.js
index 059ed9e80..d17441000 100644
--- a/app/javascript/mastodon/actions/account_notes.js
+++ b/app/javascript/mastodon/actions/account_notes.js
@@ -4,19 +4,12 @@ export const ACCOUNT_NOTE_SUBMIT_REQUEST = 'ACCOUNT_NOTE_SUBMIT_REQUEST';
 export const ACCOUNT_NOTE_SUBMIT_SUCCESS = 'ACCOUNT_NOTE_SUBMIT_SUCCESS';
 export const ACCOUNT_NOTE_SUBMIT_FAIL    = 'ACCOUNT_NOTE_SUBMIT_FAIL';
 
-export const ACCOUNT_NOTE_INIT_EDIT = 'ACCOUNT_NOTE_INIT_EDIT';
-export const ACCOUNT_NOTE_CANCEL    = 'ACCOUNT_NOTE_CANCEL';
-
-export const ACCOUNT_NOTE_CHANGE_COMMENT = 'ACCOUNT_NOTE_CHANGE_COMMENT';
-
-export function submitAccountNote() {
+export function submitAccountNote(id, value) {
   return (dispatch, getState) => {
     dispatch(submitAccountNoteRequest());
 
-    const id = getState().getIn(['account_notes', 'edit', 'account_id']);
-
     api(getState).post(`/api/v1/accounts/${id}/note`, {
-      comment: getState().getIn(['account_notes', 'edit', 'comment']),
+      comment: value,
     }).then(response => {
       dispatch(submitAccountNoteSuccess(response.data));
     }).catch(error => dispatch(submitAccountNoteFail(error)));
@@ -42,28 +35,3 @@ export function submitAccountNoteFail(error) {
     error,
   };
 };
-
-export function initEditAccountNote(account) {
-  return (dispatch, getState) => {
-    const comment = getState().getIn(['relationships', account.get('id'), 'note']);
-
-    dispatch({
-      type: ACCOUNT_NOTE_INIT_EDIT,
-      account,
-      comment,
-    });
-  };
-};
-
-export function cancelAccountNote() {
-  return {
-    type: ACCOUNT_NOTE_CANCEL,
-  };
-};
-
-export function changeAccountNoteComment(comment) {
-  return {
-    type: ACCOUNT_NOTE_CHANGE_COMMENT,
-    comment,
-  };
-};
diff --git a/app/javascript/mastodon/actions/compose.js b/app/javascript/mastodon/actions/compose.js
index 6b73fc90e..20341f9ec 100644
--- a/app/javascript/mastodon/actions/compose.js
+++ b/app/javascript/mastodon/actions/compose.js
@@ -28,6 +28,11 @@ export const COMPOSE_UPLOAD_FAIL     = 'COMPOSE_UPLOAD_FAIL';
 export const COMPOSE_UPLOAD_PROGRESS = 'COMPOSE_UPLOAD_PROGRESS';
 export const COMPOSE_UPLOAD_UNDO     = 'COMPOSE_UPLOAD_UNDO';
 
+export const THUMBNAIL_UPLOAD_REQUEST  = 'THUMBNAIL_UPLOAD_REQUEST';
+export const THUMBNAIL_UPLOAD_SUCCESS  = 'THUMBNAIL_UPLOAD_SUCCESS';
+export const THUMBNAIL_UPLOAD_FAIL     = 'THUMBNAIL_UPLOAD_FAIL';
+export const THUMBNAIL_UPLOAD_PROGRESS = 'THUMBNAIL_UPLOAD_PROGRESS';
+
 export const COMPOSE_SUGGESTIONS_CLEAR = 'COMPOSE_SUGGESTIONS_CLEAR';
 export const COMPOSE_SUGGESTIONS_READY = 'COMPOSE_SUGGESTIONS_READY';
 export const COMPOSE_SUGGESTION_SELECT = 'COMPOSE_SUGGESTION_SELECT';
@@ -260,6 +265,49 @@ export function uploadCompose(files) {
   };
 };
 
+export const uploadThumbnail = (id, file) => (dispatch, getState) => {
+  dispatch(uploadThumbnailRequest());
+
+  const total = file.size;
+  const data = new FormData();
+
+  data.append('thumbnail', file);
+
+  api(getState).put(`/api/v1/media/${id}`, data, {
+    onUploadProgress: ({ loaded }) => {
+      dispatch(uploadThumbnailProgress(loaded, total));
+    },
+  }).then(({ data }) => {
+    dispatch(uploadThumbnailSuccess(data));
+  }).catch(error => {
+    dispatch(uploadThumbnailFail(id, error));
+  });
+};
+
+export const uploadThumbnailRequest = () => ({
+  type: THUMBNAIL_UPLOAD_REQUEST,
+  skipLoading: true,
+});
+
+export const uploadThumbnailProgress = (loaded, total) => ({
+  type: THUMBNAIL_UPLOAD_PROGRESS,
+  loaded,
+  total,
+  skipLoading: true,
+});
+
+export const uploadThumbnailSuccess = media => ({
+  type: THUMBNAIL_UPLOAD_SUCCESS,
+  media,
+  skipLoading: true,
+});
+
+export const uploadThumbnailFail = error => ({
+  type: THUMBNAIL_UPLOAD_FAIL,
+  error,
+  skipLoading: true,
+});
+
 export function changeUploadCompose(id, params) {
   return (dispatch, getState) => {
     dispatch(changeUploadComposeRequest());
@@ -278,6 +326,7 @@ export function changeUploadComposeRequest() {
     skipLoading: true,
   };
 };
+
 export function changeUploadComposeSuccess(media) {
   return {
     type: COMPOSE_UPLOAD_CHANGE_SUCCESS,
diff --git a/app/javascript/mastodon/components/autosuggest_hashtag.js b/app/javascript/mastodon/components/autosuggest_hashtag.js
index e2f4e320d..9e9d888f8 100644
--- a/app/javascript/mastodon/components/autosuggest_hashtag.js
+++ b/app/javascript/mastodon/components/autosuggest_hashtag.js
@@ -1,6 +1,6 @@
 import React from 'react';
 import PropTypes from 'prop-types';
-import { shortNumberFormat } from 'mastodon/utils/numbers';
+import ShortNumber from 'mastodon/components/short_number';
 import { FormattedMessage } from 'react-intl';
 
 export default class AutosuggestHashtag extends React.PureComponent {
@@ -13,14 +13,28 @@ export default class AutosuggestHashtag extends React.PureComponent {
     }).isRequired,
   };
 
-  render () {
+  render() {
     const { tag } = this.props;
-    const weeklyUses = tag.history && shortNumberFormat(tag.history.reduce((total, day) => total + (day.uses * 1), 0));
+    const weeklyUses = tag.history && (
+      <ShortNumber
+        value={tag.history.reduce((total, day) => total + day.uses * 1, 0)}
+      />
+    );
 
     return (
       <div className='autosuggest-hashtag'>
-        <div className='autosuggest-hashtag__name'>#<strong>{tag.name}</strong></div>
-        {tag.history !== undefined && <div className='autosuggest-hashtag__uses'><FormattedMessage id='autosuggest_hashtag.per_week' defaultMessage='{count} per week' values={{ count: weeklyUses }} /></div>}
+        <div className='autosuggest-hashtag__name'>
+          #<strong>{tag.name}</strong>
+        </div>
+        {tag.history !== undefined && (
+          <div className='autosuggest-hashtag__uses'>
+            <FormattedMessage
+              id='autosuggest_hashtag.per_week'
+              defaultMessage='{count} per week'
+              values={{ count: weeklyUses }}
+            />
+          </div>
+        )}
       </div>
     );
   }
diff --git a/app/javascript/mastodon/components/common_counter.js b/app/javascript/mastodon/components/common_counter.js
new file mode 100644
index 000000000..4fdf3babf
--- /dev/null
+++ b/app/javascript/mastodon/components/common_counter.js
@@ -0,0 +1,62 @@
+// @ts-check
+import React from 'react';
+import { FormattedMessage } from 'react-intl';
+
+/**
+ * Returns custom renderer for one of the common counter types
+ *
+ * @param {"statuses" | "following" | "followers"} counterType
+ * Type of the counter
+ * @param {boolean} isBold Whether display number must be displayed in bold
+ * @returns {(displayNumber: JSX.Element, pluralReady: number) => JSX.Element}
+ * Renderer function
+ * @throws If counterType is not covered by this function
+ */
+export function counterRenderer(counterType, isBold = true) {
+  /**
+   * @type {(displayNumber: JSX.Element) => JSX.Element}
+   */
+  const renderCounter = isBold
+    ? (displayNumber) => <strong>{displayNumber}</strong>
+    : (displayNumber) => displayNumber;
+
+  switch (counterType) {
+  case 'statuses': {
+    return (displayNumber, pluralReady) => (
+      <FormattedMessage
+        id='account.statuses_counter'
+        defaultMessage='{count, plural, one {{counter} Toot} other {{counter} Toots}}'
+        values={{
+          count: pluralReady,
+          counter: renderCounter(displayNumber),
+        }}
+      />
+    );
+  }
+  case 'following': {
+    return (displayNumber, pluralReady) => (
+      <FormattedMessage
+        id='account.following_counter'
+        defaultMessage='{count, plural, other {{counter} Following}}'
+        values={{
+          count: pluralReady,
+          counter: renderCounter(displayNumber),
+        }}
+      />
+    );
+  }
+  case 'followers': {
+    return (displayNumber, pluralReady) => (
+      <FormattedMessage
+        id='account.followers_counter'
+        defaultMessage='{count, plural, one {{counter} Follower} other {{counter} Followers}}'
+        values={{
+          count: pluralReady,
+          counter: renderCounter(displayNumber),
+        }}
+      />
+    );
+  }
+  default: throw Error(`Incorrect counter name: ${counterType}. Ensure it accepted by commonCounter function`);
+  }
+}
diff --git a/app/javascript/mastodon/components/hashtag.js b/app/javascript/mastodon/components/hashtag.js
index 62d613262..d766ca90d 100644
--- a/app/javascript/mastodon/components/hashtag.js
+++ b/app/javascript/mastodon/components/hashtag.js
@@ -1,26 +1,65 @@
+// @ts-check
 import React from 'react';
 import { Sparklines, SparklinesCurve } from 'react-sparklines';
 import { FormattedMessage } from 'react-intl';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 import Permalink from './permalink';
-import { shortNumberFormat } from '../utils/numbers';
+import ShortNumber from 'mastodon/components/short_number';
+
+/**
+ * Used to render counter of how much people are talking about hashtag
+ *
+ * @type {(displayNumber: JSX.Element, pluralReady: number) => JSX.Element}
+ */
+const accountsCountRenderer = (displayNumber, pluralReady) => (
+  <FormattedMessage
+    id='trends.counter_by_accounts'
+    defaultMessage='{count, plural, one {{counter} person} other {{counter} people}} talking'
+    values={{
+      count: pluralReady,
+      counter: <strong>{displayNumber}</strong>,
+    }}
+  />
+);
 
 const Hashtag = ({ hashtag }) => (
   <div className='trends__item'>
     <div className='trends__item__name'>
-      <Permalink href={hashtag.get('url')} to={`/timelines/tag/${hashtag.get('name')}`}>
+      <Permalink
+        href={hashtag.get('url')}
+        to={`/timelines/tag/${hashtag.get('name')}`}
+      >
         #<span>{hashtag.get('name')}</span>
       </Permalink>
 
-      <FormattedMessage id='trends.count_by_accounts' defaultMessage='{count} {rawCount, plural, one {person} other {people}} talking' values={{ rawCount: hashtag.getIn(['history', 0, 'accounts']) * 1 + hashtag.getIn(['history', 1, 'accounts']) * 1, count: <strong>{shortNumberFormat(hashtag.getIn(['history', 0, 'accounts']) * 1 + hashtag.getIn(['history', 1, 'accounts']) * 1)}</strong> }} />
+      <ShortNumber
+        value={
+          hashtag.getIn(['history', 0, 'accounts']) * 1 +
+          hashtag.getIn(['history', 1, 'accounts']) * 1
+        }
+        renderer={accountsCountRenderer}
+      />
     </div>
 
     <div className='trends__item__current'>
-      {shortNumberFormat(hashtag.getIn(['history', 0, 'uses']) * 1 + hashtag.getIn(['history', 1, 'uses']) * 1)}
+      <ShortNumber
+        value={
+          hashtag.getIn(['history', 0, 'uses']) * 1 +
+          hashtag.getIn(['history', 1, 'uses']) * 1
+        }
+      />
     </div>
 
     <div className='trends__item__sparkline'>
-      <Sparklines width={50} height={28} data={hashtag.get('history').reverse().map(day => day.get('uses')).toArray()}>
+      <Sparklines
+        width={50}
+        height={28}
+        data={hashtag
+          .get('history')
+          .reverse()
+          .map((day) => day.get('uses'))
+          .toArray()}
+      >
         <SparklinesCurve style={{ fill: 'none' }} />
       </Sparklines>
     </div>
diff --git a/app/javascript/mastodon/components/short_number.js b/app/javascript/mastodon/components/short_number.js
new file mode 100644
index 000000000..535c17727
--- /dev/null
+++ b/app/javascript/mastodon/components/short_number.js
@@ -0,0 +1,117 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { toShortNumber, pluralReady, DECIMAL_UNITS } from '../utils/numbers';
+import { FormattedMessage, FormattedNumber } from 'react-intl';
+// @ts-check
+
+/**
+ * @callback ShortNumberRenderer
+ * @param {JSX.Element} displayNumber Number to display
+ * @param {number} pluralReady Number used for pluralization
+ * @returns {JSX.Element} Final render of number
+ */
+
+/**
+ * @typedef {object} ShortNumberProps
+ * @property {number} value Number to display in short variant
+ * @property {ShortNumberRenderer} [renderer]
+ * Custom renderer for numbers, provided as a prop. If another renderer
+ * passed as a child of this component, this prop won't be used.
+ * @property {ShortNumberRenderer} [children]
+ * Custom renderer for numbers, provided as a child. If another renderer
+ * passed as a prop of this component, this one will be used instead.
+ */
+
+/**
+ * Component that renders short big number to a shorter version
+ *
+ * @param {ShortNumberProps} param0 Props for the component
+ * @returns {JSX.Element} Rendered number
+ */
+function ShortNumber({ value, renderer, children }) {
+  const shortNumber = toShortNumber(value);
+  const [, division] = shortNumber;
+
+  // eslint-disable-next-line eqeqeq
+  if (children != null && renderer != null) {
+    console.warn('Both renderer prop and renderer as a child provided. This is a mistake and you really should fix that. Only renderer passed as a child will be used.');
+  }
+
+  // eslint-disable-next-line eqeqeq
+  const customRenderer = children != null ? children : renderer;
+
+  const displayNumber = <ShortNumberCounter value={shortNumber} />;
+
+  // eslint-disable-next-line eqeqeq
+  return customRenderer != null
+    ? customRenderer(displayNumber, pluralReady(value, division))
+    : displayNumber;
+}
+
+ShortNumber.propTypes = {
+  value: PropTypes.number.isRequired,
+  renderer: PropTypes.func,
+  children: PropTypes.func,
+};
+
+/**
+ * @typedef {object} ShortNumberCounterProps
+ * @property {import('../utils/number').ShortNumber} value Short number
+ */
+
+/**
+ * Renders short number into corresponding localizable react fragment
+ *
+ * @param {ShortNumberCounterProps} param0 Props for the component
+ * @returns {JSX.Element} FormattedMessage ready to be embedded in code
+ */
+function ShortNumberCounter({ value }) {
+  const [rawNumber, unit, maxFractionDigits = 0] = value;
+
+  const count = (
+    <FormattedNumber
+      value={rawNumber}
+      maximumFractionDigits={maxFractionDigits}
+    />
+  );
+
+  let values = { count, rawNumber };
+
+  switch (unit) {
+  case DECIMAL_UNITS.THOUSAND: {
+    return (
+      <FormattedMessage
+        id='units.short.thousand'
+        defaultMessage='{count}K'
+        values={values}
+      />
+    );
+  }
+  case DECIMAL_UNITS.MILLION: {
+    return (
+      <FormattedMessage
+        id='units.short.million'
+        defaultMessage='{count}M'
+        values={values}
+      />
+    );
+  }
+  case DECIMAL_UNITS.BILLION: {
+    return (
+      <FormattedMessage
+        id='units.short.billion'
+        defaultMessage='{count}B'
+        values={values}
+      />
+    );
+  }
+  // Not sure if we should go farther - @Sasha-Sorokin
+  default: return count;
+  }
+}
+
+ShortNumberCounter.propTypes = {
+  value: PropTypes.arrayOf(PropTypes.number),
+};
+
+export default React.memo(ShortNumber);
diff --git a/app/javascript/mastodon/features/account/components/account_note.js b/app/javascript/mastodon/features/account/components/account_note.js
index 832a96a6a..1787ce1ab 100644
--- a/app/javascript/mastodon/features/account/components/account_note.js
+++ b/app/javascript/mastodon/features/account/components/account_note.js
@@ -3,99 +3,166 @@ import ImmutablePropTypes from 'react-immutable-proptypes';
 import PropTypes from 'prop-types';
 import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
 import ImmutablePureComponent from 'react-immutable-pure-component';
-import Icon from 'mastodon/components/icon';
 import Textarea from 'react-textarea-autosize';
+import { is } from 'immutable';
 
 const messages = defineMessages({
-  placeholder: { id: 'account_note.placeholder', defaultMessage: 'No comment provided' },
+  placeholder: { id: 'account_note.placeholder', defaultMessage: 'Click to add a note' },
 });
 
+class InlineAlert extends React.PureComponent {
+
+  static propTypes = {
+    show: PropTypes.bool,
+  };
+
+  state = {
+    mountMessage: false,
+  };
+
+  static TRANSITION_DELAY = 200;
+
+  componentWillReceiveProps (nextProps) {
+    if (!this.props.show && nextProps.show) {
+      this.setState({ mountMessage: true });
+    } else if (this.props.show && !nextProps.show) {
+      setTimeout(() => this.setState({ mountMessage: false }), InlineAlert.TRANSITION_DELAY);
+    }
+  }
+
+  render () {
+    const { show } = this.props;
+    const { mountMessage } = this.state;
+
+    return (
+      <span aria-live='polite' role='status' className='inline-alert' style={{ opacity: show ? 1 : 0 }}>
+        {mountMessage && <FormattedMessage id='generic.saved' defaultMessage='Saved' />}
+      </span>
+    );
+  }
+
+}
+
 export default @injectIntl
-class Header extends ImmutablePureComponent {
+class AccountNote extends ImmutablePureComponent {
 
   static propTypes = {
     account: ImmutablePropTypes.map.isRequired,
-    isEditing: PropTypes.bool,
-    isSubmitting: PropTypes.bool,
-    accountNote: PropTypes.string,
-    onEditAccountNote: PropTypes.func.isRequired,
-    onCancelAccountNote: PropTypes.func.isRequired,
-    onSaveAccountNote: PropTypes.func.isRequired,
-    onChangeAccountNote: PropTypes.func.isRequired,
+    value: PropTypes.string,
+    onSave: PropTypes.func.isRequired,
     intl: PropTypes.object.isRequired,
   };
 
-  handleChangeAccountNote = (e) => {
-    this.props.onChangeAccountNote(e.target.value);
+  state = {
+    value: null,
+    saving: false,
+    saved: false,
   };
 
+  componentWillMount () {
+    this._reset();
+  }
+
+  componentWillReceiveProps (nextProps) {
+    const accountWillChange = !is(this.props.account, nextProps.account);
+    const newState = {};
+
+    if (accountWillChange && this._isDirty()) {
+      this._save(false);
+    }
+
+    if (accountWillChange || nextProps.value === this.state.value) {
+      newState.saving = false;
+    }
+
+    if (this.props.value !== nextProps.value) {
+      newState.value = nextProps.value;
+    }
+
+    this.setState(newState);
+  }
+
   componentWillUnmount () {
-    if (this.props.isEditing) {
-      this.props.onCancelAccountNote();
+    if (this._isDirty()) {
+      this._save(false);
     }
   }
 
+  setTextareaRef = c => {
+    this.textarea = c;
+  }
+
+  handleChange = e => {
+    this.setState({ value: e.target.value, saving: false });
+  };
+
   handleKeyDown = e => {
     if (e.keyCode === 13 && (e.ctrlKey || e.metaKey)) {
-      this.props.onSaveAccountNote();
+      e.preventDefault();
+
+      this._save();
+
+      if (this.textarea) {
+        this.textarea.blur();
+      }
     } else if (e.keyCode === 27) {
-      this.props.onCancelAccountNote();
+      e.preventDefault();
+
+      this._reset(() => {
+        if (this.textarea) {
+          this.textarea.blur();
+        }
+      });
     }
   }
 
+  handleBlur = () => {
+    if (this._isDirty()) {
+      this._save();
+    }
+  }
+
+  _save (showMessage = true) {
+    this.setState({ saving: true }, () => this.props.onSave(this.state.value));
+
+    if (showMessage) {
+      this.setState({ saved: true }, () => setTimeout(() => this.setState({ saved: false }), 2000));
+    }
+  }
+
+  _reset (callback) {
+    this.setState({ value: this.props.value }, callback);
+  }
+
+  _isDirty () {
+    return !this.state.saving && this.props.value !== null && this.state.value !== null && this.state.value !== this.props.value;
+  }
+
   render () {
-    const { account, accountNote, isEditing, isSubmitting, intl } = this.props;
+    const { account, intl } = this.props;
+    const { value, saved } = this.state;
 
-    if (!account || (!accountNote && !isEditing)) {
+    if (!account) {
       return null;
     }
 
-    let action_buttons = null;
-    if (isEditing) {
-      action_buttons = (
-        <div className='account__header__account-note__buttons'>
-          <button className='text-btn' tabIndex='0' onClick={this.props.onCancelAccountNote} disabled={isSubmitting}>
-            <Icon id='times' size={15} /> <FormattedMessage id='account_note.cancel' defaultMessage='Cancel' />
-          </button>
-          <div className='flex-spacer' />
-          <button className='text-btn' tabIndex='0' onClick={this.props.onSaveAccountNote} disabled={isSubmitting}>
-            <Icon id='check' size={15} /> <FormattedMessage id='account_note.save' defaultMessage='Save' />
-          </button>
-        </div>
-      );
-    }
+    return (
+      <div className='account__header__account-note'>
+        <label htmlFor={`account-note-${account.get('id')}`}>
+          <FormattedMessage id='account.account_note_header' defaultMessage='Note' /> <InlineAlert show={saved} />
+        </label>
 
-    let note_container = null;
-    if (isEditing) {
-      note_container = (
         <Textarea
+          id={`account-note-${account.get('id')}`}
           className='account__header__account-note__content'
-          disabled={isSubmitting}
+          disabled={this.props.value === null || value === null}
           placeholder={intl.formatMessage(messages.placeholder)}
-          value={accountNote}
-          onChange={this.handleChangeAccountNote}
+          value={value || ''}
+          onChange={this.handleChange}
           onKeyDown={this.handleKeyDown}
-          autoFocus
+          onBlur={this.handleBlur}
+          ref={this.setTextareaRef}
         />
-      );
-    } else {
-      note_container = (<div className='account__header__account-note__content'>{accountNote}</div>);
-    }
-
-    return (
-      <div className='account__header__account-note'>
-        <div className='account__header__account-note__header'>
-          <strong><FormattedMessage id='account.account_note_header' defaultMessage='Your note for @{name}' values={{ name: account.get('username') }} /></strong>
-          {!isEditing && (
-            <div>
-              <button className='text-btn' tabIndex='0' onClick={this.props.onEditAccountNote} disabled={isSubmitting}>
-                <Icon id='pencil' size={15} /> <FormattedMessage id='account_note.edit' defaultMessage='Edit' />
-              </button>
-            </div>
-          )}
-        </div>
-        {note_container}
-        {action_buttons}
       </div>
     );
   }
diff --git a/app/javascript/mastodon/features/account/components/header.js b/app/javascript/mastodon/features/account/components/header.js
index eca0b7901..b5aca574f 100644
--- a/app/javascript/mastodon/features/account/components/header.js
+++ b/app/javascript/mastodon/features/account/components/header.js
@@ -8,7 +8,8 @@ import { autoPlayGif, me, isStaff } from 'mastodon/initial_state';
 import classNames from 'classnames';
 import Icon from 'mastodon/components/icon';
 import Avatar from 'mastodon/components/avatar';
-import { shortNumberFormat } from 'mastodon/utils/numbers';
+import { counterRenderer } from 'mastodon/components/common_counter';
+import ShortNumber from 'mastodon/components/short_number';
 import { NavLink } from 'react-router-dom';
 import DropdownMenuContainer from 'mastodon/containers/dropdown_menu_container';
 import AccountNoteContainer from '../containers/account_note_container';
@@ -66,7 +67,6 @@ class Header extends ImmutablePureComponent {
     identity_props: ImmutablePropTypes.list,
     onFollow: PropTypes.func.isRequired,
     onBlock: PropTypes.func.isRequired,
-    onEditAccountNote: PropTypes.func.isRequired,
     intl: PropTypes.object.isRequired,
     domain: PropTypes.string.isRequired,
   };
@@ -131,8 +131,6 @@ class Header extends ImmutablePureComponent {
       return null;
     }
 
-    const accountNote = account.getIn(['relationship', 'note']);
-
     let info        = [];
     let actionBtn   = '';
     let lockedIcon  = '';
@@ -183,10 +181,6 @@ class Header extends ImmutablePureComponent {
       menu.push(null);
     }
 
-    if (accountNote === null) {
-      menu.push({ text: intl.formatMessage(messages.add_account_note, { name: account.get('username') }), action: this.props.onEditAccountNote });
-    }
-
     if (account.get('id') === me) {
       menu.push({ text: intl.formatMessage(messages.edit_profile), href: '/settings/profile' });
       menu.push({ text: intl.formatMessage(messages.preferences), href: '/settings/preferences' });
@@ -293,8 +287,6 @@ class Header extends ImmutablePureComponent {
             </h1>
           </div>
 
-          <AccountNoteContainer account={account} />
-
           <div className='account__header__extra'>
             <div className='account__header__bio'>
               { (fields.size > 0 || identity_proofs.size > 0) && (
@@ -323,20 +315,31 @@ class Header extends ImmutablePureComponent {
                 </div>
               )}
 
+              {account.get('id') !== me && <AccountNoteContainer account={account} />}
+
               {account.get('note').length > 0 && account.get('note') !== '<p></p>' && <div className='account__header__content' dangerouslySetInnerHTML={content} />}
             </div>
 
             <div className='account__header__extra__links'>
               <NavLink isActive={this.isStatusesPageActive} activeClassName='active' to={`/accounts/${account.get('id')}`} title={intl.formatNumber(account.get('statuses_count'))}>
-                <strong>{shortNumberFormat(account.get('statuses_count'))}</strong> <FormattedMessage id='account.posts' defaultMessage='Toots' />
+                <ShortNumber
+                  value={account.get('statuses_count')}
+                  renderer={counterRenderer('statuses')}
+                />
               </NavLink>
 
               <NavLink exact activeClassName='active' to={`/accounts/${account.get('id')}/following`} title={intl.formatNumber(account.get('following_count'))}>
-                <strong>{shortNumberFormat(account.get('following_count'))}</strong> <FormattedMessage id='account.follows' defaultMessage='Follows' />
+                <ShortNumber
+                  value={account.get('following_count')}
+                  renderer={counterRenderer('following')}
+                />
               </NavLink>
 
               <NavLink exact activeClassName='active' to={`/accounts/${account.get('id')}/followers`} title={intl.formatNumber(account.get('followers_count'))}>
-                <strong>{shortNumberFormat(account.get('followers_count'))}</strong> <FormattedMessage id='account.followers' defaultMessage='Followers' />
+                <ShortNumber
+                  value={account.get('followers_count')}
+                  renderer={counterRenderer('followers')}
+                />
               </NavLink>
             </div>
           </div>
diff --git a/app/javascript/mastodon/features/account/containers/account_note_container.js b/app/javascript/mastodon/features/account/containers/account_note_container.js
index 92d470982..969af553a 100644
--- a/app/javascript/mastodon/features/account/containers/account_note_container.js
+++ b/app/javascript/mastodon/features/account/containers/account_note_container.js
@@ -1,34 +1,17 @@
 import { connect } from 'react-redux';
-import { changeAccountNoteComment, submitAccountNote, initEditAccountNote, cancelAccountNote } from 'mastodon/actions/account_notes';
+import { submitAccountNote } from 'mastodon/actions/account_notes';
 import AccountNote from '../components/account_note';
 
-const mapStateToProps = (state, { account }) => {
-  const isEditing = state.getIn(['account_notes', 'edit', 'account_id']) === account.get('id');
-
-  return {
-    isSubmitting: state.getIn(['account_notes', 'edit', 'isSubmitting']),
-    accountNote: isEditing ? state.getIn(['account_notes', 'edit', 'comment']) : account.getIn(['relationship', 'note']),
-    isEditing,
-  };
-};
+const mapStateToProps = (state, { account }) => ({
+  value: account.getIn(['relationship', 'note']),
+});
 
 const mapDispatchToProps = (dispatch, { account }) => ({
 
-  onEditAccountNote() {
-    dispatch(initEditAccountNote(account));
-  },
-
-  onSaveAccountNote() {
-    dispatch(submitAccountNote());
+  onSave (value) {
+    dispatch(submitAccountNote(account.get('id'), value));
   },
 
-  onCancelAccountNote() {
-    dispatch(cancelAccountNote());
-  },
-
-  onChangeAccountNote(comment) {
-    dispatch(changeAccountNoteComment(comment));
-  },
 });
 
 export default connect(mapStateToProps, mapDispatchToProps)(AccountNote);
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 e480fb2aa..8728b4806 100644
--- a/app/javascript/mastodon/features/account_timeline/containers/header_container.js
+++ b/app/javascript/mastodon/features/account_timeline/containers/header_container.js
@@ -19,7 +19,6 @@ import { initBlockModal } from '../../../actions/blocks';
 import { initReport } from '../../../actions/reports';
 import { openModal } from '../../../actions/modal';
 import { blockDomain, unblockDomain } from '../../../actions/domain_blocks';
-import { initEditAccountNote } from 'mastodon/actions/account_notes';
 import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
 import { unfollowModal } from '../../../initial_state';
 import { List as ImmutableList } from 'immutable';
@@ -103,10 +102,6 @@ const mapDispatchToProps = (dispatch, { intl }) => ({
     }
   },
 
-  onEditAccountNote (account) {
-    dispatch(initEditAccountNote(account));
-  },
-
   onBlockDomain (domain) {
     dispatch(openModal('CONFIRM', {
       message: <FormattedMessage id='confirmations.domain_block.message' defaultMessage='Are you really, really sure you want to block the entire {domain}? In most cases a few targeted blocks or mutes are sufficient and preferable. You will not see content from that domain in any public timelines or your notifications. Your followers from that domain will be removed.' values={{ domain: <strong>{domain}</strong> }} />,
diff --git a/app/javascript/mastodon/features/directory/components/account_card.js b/app/javascript/mastodon/features/directory/components/account_card.js
index cb47d9db4..419ab9e11 100644
--- a/app/javascript/mastodon/features/directory/components/account_card.js
+++ b/app/javascript/mastodon/features/directory/components/account_card.js
@@ -11,8 +11,14 @@ import RelativeTimestamp from 'mastodon/components/relative_timestamp';
 import IconButton from 'mastodon/components/icon_button';
 import { FormattedMessage, injectIntl, defineMessages } from 'react-intl';
 import { autoPlayGif, me, unfollowModal } from 'mastodon/initial_state';
-import { shortNumberFormat } from 'mastodon/utils/numbers';
-import { followAccount, unfollowAccount, blockAccount, unblockAccount, unmuteAccount } from 'mastodon/actions/accounts';
+import ShortNumber from 'mastodon/components/short_number';
+import {
+  followAccount,
+  unfollowAccount,
+  blockAccount,
+  unblockAccount,
+  unmuteAccount,
+} from 'mastodon/actions/accounts';
 import { openModal } from 'mastodon/actions/modal';
 import { initMuteModal } from 'mastodon/actions/mutes';
 
@@ -22,7 +28,10 @@ const messages = defineMessages({
   requested: { id: 'account.requested', defaultMessage: 'Awaiting approval' },
   unblock: { id: 'account.unblock', defaultMessage: 'Unblock @{name}' },
   unmute: { id: 'account.unmute', defaultMessage: 'Unmute @{name}' },
-  unfollowConfirm: { id: 'confirmations.unfollow.confirm', defaultMessage: 'Unfollow' },
+  unfollowConfirm: {
+    id: 'confirmations.unfollow.confirm',
+    defaultMessage: 'Unfollow',
+  },
 });
 
 const makeMapStateToProps = () => {
@@ -36,15 +45,25 @@ const makeMapStateToProps = () => {
 };
 
 const mapDispatchToProps = (dispatch, { intl }) => ({
-
-  onFollow (account) {
-    if (account.getIn(['relationship', 'following']) || account.getIn(['relationship', 'requested'])) {
+  onFollow(account) {
+    if (
+      account.getIn(['relationship', 'following']) ||
+      account.getIn(['relationship', 'requested'])
+    ) {
       if (unfollowModal) {
-        dispatch(openModal('CONFIRM', {
-          message: <FormattedMessage id='confirmations.unfollow.message' defaultMessage='Are you sure you want to unfollow {name}?' values={{ name: <strong>@{account.get('acct')}</strong> }} />,
-          confirm: intl.formatMessage(messages.unfollowConfirm),
-          onConfirm: () => dispatch(unfollowAccount(account.get('id'))),
-        }));
+        dispatch(
+          openModal('CONFIRM', {
+            message: (
+              <FormattedMessage
+                id='confirmations.unfollow.message'
+                defaultMessage='Are you sure you want to unfollow {name}?'
+                values={{ name: <strong>@{account.get('acct')}</strong> }}
+              />
+            ),
+            confirm: intl.formatMessage(messages.unfollowConfirm),
+            onConfirm: () => dispatch(unfollowAccount(account.get('id'))),
+          }),
+        );
       } else {
         dispatch(unfollowAccount(account.get('id')));
       }
@@ -53,7 +72,7 @@ const mapDispatchToProps = (dispatch, { intl }) => ({
     }
   },
 
-  onBlock (account) {
+  onBlock(account) {
     if (account.getIn(['relationship', 'blocking'])) {
       dispatch(unblockAccount(account.get('id')));
     } else {
@@ -61,17 +80,17 @@ const mapDispatchToProps = (dispatch, { intl }) => ({
     }
   },
 
-  onMute (account) {
+  onMute(account) {
     if (account.getIn(['relationship', 'muting'])) {
       dispatch(unmuteAccount(account.get('id')));
     } else {
       dispatch(initMuteModal(account));
     }
   },
-
 });
 
-export default @injectIntl
+export default
+@injectIntl
 @connect(makeMapStateToProps, mapDispatchToProps)
 class AccountCard extends ImmutablePureComponent {
 
@@ -83,7 +102,7 @@ class AccountCard extends ImmutablePureComponent {
     onMute: PropTypes.func.isRequired,
   };
 
-  _updateEmojis () {
+  _updateEmojis() {
     const node = this.node;
 
     if (!node || autoPlayGif) {
@@ -104,68 +123,113 @@ class AccountCard extends ImmutablePureComponent {
     }
   }
 
-  componentDidMount () {
+  componentDidMount() {
     this._updateEmojis();
   }
 
-  componentDidUpdate () {
+  componentDidUpdate() {
     this._updateEmojis();
   }
 
   handleEmojiMouseEnter = ({ target }) => {
     target.src = target.getAttribute('data-original');
-  }
+  };
 
   handleEmojiMouseLeave = ({ target }) => {
     target.src = target.getAttribute('data-static');
-  }
+  };
 
   handleFollow = () => {
     this.props.onFollow(this.props.account);
-  }
+  };
 
   handleBlock = () => {
     this.props.onBlock(this.props.account);
-  }
+  };
 
   handleMute = () => {
     this.props.onMute(this.props.account);
-  }
+  };
 
   setRef = (c) => {
     this.node = c;
-  }
+  };
 
-  render () {
+  render() {
     const { account, intl } = this.props;
 
     let buttons;
 
-    if (account.get('id') !== me && account.get('relationship', null) !== null) {
+    if (
+      account.get('id') !== me &&
+      account.get('relationship', null) !== null
+    ) {
       const following = account.getIn(['relationship', 'following']);
       const requested = account.getIn(['relationship', 'requested']);
-      const blocking  = account.getIn(['relationship', 'blocking']);
-      const muting    = account.getIn(['relationship', 'muting']);
+      const blocking = account.getIn(['relationship', 'blocking']);
+      const muting = account.getIn(['relationship', 'muting']);
 
       if (requested) {
-        buttons = <IconButton disabled icon='hourglass' title={intl.formatMessage(messages.requested)} />;
+        buttons = (
+          <IconButton
+            disabled
+            icon='hourglass'
+            title={intl.formatMessage(messages.requested)}
+          />
+        );
       } else if (blocking) {
-        buttons = <IconButton active icon='unlock' title={intl.formatMessage(messages.unblock, { name: account.get('username') })} onClick={this.handleBlock} />;
+        buttons = (
+          <IconButton
+            active
+            icon='unlock'
+            title={intl.formatMessage(messages.unblock, {
+              name: account.get('username'),
+            })}
+            onClick={this.handleBlock}
+          />
+        );
       } else if (muting) {
-        buttons = <IconButton active icon='volume-up' title={intl.formatMessage(messages.unmute, { name: account.get('username') })} onClick={this.handleMute} />;
+        buttons = (
+          <IconButton
+            active
+            icon='volume-up'
+            title={intl.formatMessage(messages.unmute, {
+              name: account.get('username'),
+            })}
+            onClick={this.handleMute}
+          />
+        );
       } else if (!account.get('moved') || following) {
-        buttons = <IconButton icon={following ? 'user-times' : 'user-plus'} title={intl.formatMessage(following ? messages.unfollow : messages.follow)} onClick={this.handleFollow} active={following} />;
+        buttons = (
+          <IconButton
+            icon={following ? 'user-times' : 'user-plus'}
+            title={intl.formatMessage(
+              following ? messages.unfollow : messages.follow,
+            )}
+            onClick={this.handleFollow}
+            active={following}
+          />
+        );
       }
     }
 
     return (
       <div className='directory__card'>
         <div className='directory__card__img'>
-          <img src={autoPlayGif ? account.get('header') : account.get('header_static')} alt='' />
+          <img
+            src={
+              autoPlayGif ? account.get('header') : account.get('header_static')
+            }
+            alt=''
+          />
         </div>
 
         <div className='directory__card__bar'>
-          <Permalink className='directory__card__bar__name' href={account.get('url')} to={`/accounts/${account.get('id')}`}>
+          <Permalink
+            className='directory__card__bar__name'
+            href={account.get('url')}
+            to={`/accounts/${account.get('id')}`}
+          >
             <Avatar account={account} size={48} />
             <DisplayName account={account} />
           </Permalink>
@@ -176,13 +240,44 @@ class AccountCard extends ImmutablePureComponent {
         </div>
 
         <div className='directory__card__extra' ref={this.setRef}>
-          <div className='account__header__content' dangerouslySetInnerHTML={{ __html: account.get('note_emojified') }} />
+          <div
+            className='account__header__content'
+            dangerouslySetInnerHTML={{ __html: account.get('note_emojified') }}
+          />
         </div>
 
         <div className='directory__card__extra'>
-          <div className='accounts-table__count'>{shortNumberFormat(account.get('statuses_count'))} <small><FormattedMessage id='account.posts' defaultMessage='Toots' /></small></div>
-          <div className='accounts-table__count'>{shortNumberFormat(account.get('followers_count'))} <small><FormattedMessage id='account.followers' defaultMessage='Followers' /></small></div>
-          <div className='accounts-table__count'>{account.get('last_status_at') === null ? <FormattedMessage id='account.never_active' defaultMessage='Never' /> : <RelativeTimestamp timestamp={account.get('last_status_at')} />} <small><FormattedMessage id='account.last_status' defaultMessage='Last active' /></small></div>
+          <div className='accounts-table__count'>
+            <ShortNumber value={account.get('statuses_count')} />
+            <small>
+              <FormattedMessage id='account.posts' defaultMessage='Toots' />
+            </small>
+          </div>
+          <div className='accounts-table__count'>
+            <ShortNumber value={account.get('followers_count')} />{' '}
+            <small>
+              <FormattedMessage
+                id='account.followers'
+                defaultMessage='Followers'
+              />
+            </small>
+          </div>
+          <div className='accounts-table__count'>
+            {account.get('last_status_at') === null ? (
+              <FormattedMessage
+                id='account.never_active'
+                defaultMessage='Never'
+              />
+            ) : (
+              <RelativeTimestamp timestamp={account.get('last_status_at')} />
+            )}{' '}
+            <small>
+              <FormattedMessage
+                id='account.last_status'
+                defaultMessage='Last active'
+              />
+            </small>
+          </div>
         </div>
       </div>
     );
diff --git a/app/javascript/mastodon/features/hashtag_timeline/components/column_settings.js b/app/javascript/mastodon/features/hashtag_timeline/components/column_settings.js
index 956f16734..27300f020 100644
--- a/app/javascript/mastodon/features/hashtag_timeline/components/column_settings.js
+++ b/app/javascript/mastodon/features/hashtag_timeline/components/column_settings.js
@@ -4,6 +4,7 @@ import ImmutablePropTypes from 'react-immutable-proptypes';
 import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
 import Toggle from 'react-toggle';
 import AsyncSelect from 'react-select/async';
+import { NonceProvider } from 'react-select';
 import SettingToggle from '../../notifications/components/setting_toggle';
 
 const messages = defineMessages({
@@ -58,18 +59,20 @@ class ColumnSettings extends React.PureComponent {
           {this.modeLabel(mode)}
         </span>
 
-        <AsyncSelect
-          isMulti
-          autoFocus
-          value={this.tags(mode)}
-          onChange={this.onSelect(mode)}
-          loadOptions={this.props.onLoad}
-          className='column-select__container'
-          classNamePrefix='column-select'
-          name='tags'
-          placeholder={this.props.intl.formatMessage(messages.placeholder)}
-          noOptionsMessage={this.noOptionsMessage}
-        />
+        <NonceProvider nonce={document.querySelector('meta[name=style-nonce]').content}>
+          <AsyncSelect
+            isMulti
+            autoFocus
+            value={this.tags(mode)}
+            onChange={this.onSelect(mode)}
+            loadOptions={this.props.onLoad}
+            className='column-select__container'
+            classNamePrefix='column-select'
+            name='tags'
+            placeholder={this.props.intl.formatMessage(messages.placeholder)}
+            noOptionsMessage={this.noOptionsMessage}
+          />
+        </NonceProvider>
       </div>
     );
   }
diff --git a/app/javascript/mastodon/features/ui/components/focal_point_modal.js b/app/javascript/mastodon/features/ui/components/focal_point_modal.js
index 8112e3b9e..7348d9599 100644
--- a/app/javascript/mastodon/features/ui/components/focal_point_modal.js
+++ b/app/javascript/mastodon/features/ui/components/focal_point_modal.js
@@ -4,7 +4,7 @@ import PropTypes from 'prop-types';
 import ImmutablePureComponent from 'react-immutable-pure-component';
 import { connect } from 'react-redux';
 import classNames from 'classnames';
-import { changeUploadCompose } from '../../../actions/compose';
+import { changeUploadCompose, uploadThumbnail } from '../../../actions/compose';
 import { getPointerPosition } from '../../video';
 import { FormattedMessage, defineMessages, injectIntl } from 'react-intl';
 import IconButton from 'mastodon/components/icon_button';
@@ -23,11 +23,13 @@ const messages = defineMessages({
   close: { id: 'lightbox.close', defaultMessage: 'Close' },
   apply: { id: 'upload_modal.apply', defaultMessage: 'Apply' },
   placeholder: { id: 'upload_modal.description_placeholder', defaultMessage: 'A quick brown fox jumps over the lazy dog' },
+  chooseImage: { id: 'upload_modal.choose_image', defaultMessage: 'Choose image' },
 });
 
 const mapStateToProps = (state, { id }) => ({
   media: state.getIn(['compose', 'media_attachments']).find(item => item.get('id') === id),
   account: state.getIn(['accounts', me]),
+  isUploadingThumbnail: state.getIn(['compose', 'isUploadingThumbnail']),
 });
 
 const mapDispatchToProps = (dispatch, { id }) => ({
@@ -36,6 +38,10 @@ const mapDispatchToProps = (dispatch, { id }) => ({
     dispatch(changeUploadCompose(id, { description, focus: `${x.toFixed(2)},${y.toFixed(2)}` }));
   },
 
+  onSelectThumbnail: files => {
+    dispatch(uploadThumbnail(id, files[0]));
+  },
+
 });
 
 const removeExtraLineBreaks = str => str.replace(/\n\n/g, '******')
@@ -81,6 +87,9 @@ class FocalPointModal extends ImmutablePureComponent {
   static propTypes = {
     media: ImmutablePropTypes.map.isRequired,
     account: ImmutablePropTypes.map.isRequired,
+    isUploadingThumbnail: PropTypes.bool,
+    onSave: PropTypes.func.isRequired,
+    onSelectThumbnail: PropTypes.func.isRequired,
     onClose: PropTypes.func.isRequired,
     intl: PropTypes.object.isRequired,
   };
@@ -235,13 +244,29 @@ class FocalPointModal extends ImmutablePureComponent {
     }).catch(() => this.setState({ detecting: false }));
   }
 
+  handleThumbnailChange = e => {
+    if (e.target.files.length > 0) {
+      this.setState({ dirty: true });
+      this.props.onSelectThumbnail(e.target.files);
+    }
+  }
+
+  setFileInputRef = c => {
+    this.fileInput = c;
+  }
+
+  handleFileInputClick = () => {
+    this.fileInput.click();
+  }
+
   render () {
-    const { media, intl, account, onClose } = this.props;
+    const { media, intl, account, onClose, isUploadingThumbnail } = this.props;
     const { x, y, dragging, description, dirty, detecting, progress } = this.state;
 
     const width  = media.getIn(['meta', 'original', 'width']) || null;
     const height = media.getIn(['meta', 'original', 'height']) || null;
     const focals = ['image', 'gifv'].includes(media.get('type'));
+    const thumbnailable = ['audio', 'video'].includes(media.get('type'));
 
     const previewRatio  = 16/9;
     const previewWidth  = 200;
@@ -268,6 +293,30 @@ class FocalPointModal extends ImmutablePureComponent {
           <div className='report-modal__comment'>
             {focals && <p><FormattedMessage id='upload_modal.hint' defaultMessage='Click or drag the circle on the preview to choose the focal point which will always be in view on all thumbnails.' /></p>}
 
+            {thumbnailable && (
+              <React.Fragment>
+                <label className='setting-text-label' htmlFor='upload-modal__thumbnail'><FormattedMessage id='upload_form.thumbnail' defaultMessage='Change thumbnail' /></label>
+
+                <Button disabled={isUploadingThumbnail} text={intl.formatMessage(messages.chooseImage)} onClick={this.handleFileInputClick} />
+
+                <label>
+                  <span style={{ display: 'none' }}>{intl.formatMessage(messages.chooseImage)}</span>
+
+                  <input
+                    id='upload-modal__thumbnail'
+                    ref={this.setFileInputRef}
+                    type='file'
+                    accept='image/png,image/jpeg'
+                    onChange={this.handleThumbnailChange}
+                    style={{ display: 'none' }}
+                    disabled={isUploadingThumbnail}
+                  />
+                </label>
+
+                <hr className='setting-divider' />
+              </React.Fragment>
+            )}
+
             <label className='setting-text-label' htmlFor='upload-modal__description'>
               {descriptionLabel}
             </label>
@@ -293,7 +342,7 @@ class FocalPointModal extends ImmutablePureComponent {
               <CharacterCounter max={1500} text={detecting ? '' : description} />
             </div>
 
-            <Button disabled={!dirty || detecting || length(description) > 1500} text={intl.formatMessage(messages.apply)} onClick={this.handleSubmit} />
+            <Button disabled={!dirty || detecting || isUploadingThumbnail || length(description) > 1500} text={intl.formatMessage(messages.apply)} onClick={this.handleSubmit} />
           </div>
 
           <div className='focal-point-modal__content'>
diff --git a/app/javascript/mastodon/locales/defaultMessages.json b/app/javascript/mastodon/locales/defaultMessages.json
index 867595986..641699880 100644
--- a/app/javascript/mastodon/locales/defaultMessages.json
+++ b/app/javascript/mastodon/locales/defaultMessages.json
@@ -666,24 +666,16 @@
   {
     "descriptors": [
       {
-        "defaultMessage": "No comment provided",
+        "defaultMessage": "Click to add a note",
         "id": "account_note.placeholder"
       },
       {
-        "defaultMessage": "Cancel",
-        "id": "account_note.cancel"
-      },
-      {
-        "defaultMessage": "Save",
-        "id": "account_note.save"
+        "defaultMessage": "Saved",
+        "id": "generic.saved"
       },
       {
-        "defaultMessage": "Your note for @{name}",
+        "defaultMessage": "Note",
         "id": "account.account_note_header"
-      },
-      {
-        "defaultMessage": "Edit",
-        "id": "account_note.edit"
       }
     ],
     "path": "app/javascript/mastodon/features/account/components/account_note.json"
@@ -819,10 +811,6 @@
         "id": "status.admin_account"
       },
       {
-        "defaultMessage": "Add note for @{name}",
-        "id": "account.add_account_note"
-      },
-      {
         "defaultMessage": "Follows you",
         "id": "account.follows_you"
       },
diff --git a/app/javascript/mastodon/locales/en.json b/app/javascript/mastodon/locales/en.json
index 2a6808b05..77b9a4f62 100644
--- a/app/javascript/mastodon/locales/en.json
+++ b/app/javascript/mastodon/locales/en.json
@@ -1,6 +1,5 @@
 {
-  "account.account_note_header": "Your note for @{name}",
-  "account.add_account_note": "Add note for @{name}",
+  "account.account_note_header": "Note",
   "account.add_or_remove_from_list": "Add or Remove from lists",
   "account.badges.bot": "Bot",
   "account.badges.group": "Group",
@@ -42,10 +41,7 @@
   "account.unfollow": "Unfollow",
   "account.unmute": "Unmute @{name}",
   "account.unmute_notifications": "Unmute notifications from @{name}",
-  "account_note.cancel": "Cancel",
-  "account_note.edit": "Edit",
-  "account_note.placeholder": "No comment provided",
-  "account_note.save": "Save",
+  "account_note.placeholder": "Click to add note",
   "alert.rate_limited.message": "Please retry after {retry_time, time, medium}.",
   "alert.rate_limited.title": "Rate limited",
   "alert.unexpected.message": "An unexpected error occurred.",
@@ -178,6 +174,7 @@
   "follow_request.authorize": "Authorize",
   "follow_request.reject": "Reject",
   "follow_requests.unlocked_explanation": "Even though your account is not locked, the {domain} staff thought you might want to review follow requests from these accounts manually.",
+  "generic.saved": "Saved",
   "getting_started.developers": "Developers",
   "getting_started.directory": "Profile directory",
   "getting_started.documentation": "Documentation",
@@ -377,7 +374,7 @@
   "status.bookmark": "Bookmark",
   "status.cancel_reblog_private": "Unboost",
   "status.cannot_reblog": "This post cannot be boosted",
-  "status.copy": "Copy link to status",
+  "status.copy": "Copy link to toot",
   "status.delete": "Delete",
   "status.detailed_status": "Detailed conversation view",
   "status.direct": "Direct message @{name}",
diff --git a/app/javascript/mastodon/reducers/account_notes.js b/app/javascript/mastodon/reducers/account_notes.js
deleted file mode 100644
index b1cf2e0aa..000000000
--- a/app/javascript/mastodon/reducers/account_notes.js
+++ /dev/null
@@ -1,44 +0,0 @@
-import { Map as ImmutableMap } from 'immutable';
-
-import {
-  ACCOUNT_NOTE_INIT_EDIT,
-  ACCOUNT_NOTE_CANCEL,
-  ACCOUNT_NOTE_CHANGE_COMMENT,
-  ACCOUNT_NOTE_SUBMIT_REQUEST,
-  ACCOUNT_NOTE_SUBMIT_FAIL,
-  ACCOUNT_NOTE_SUBMIT_SUCCESS,
-} from '../actions/account_notes';
-
-const initialState = ImmutableMap({
-  edit: ImmutableMap({
-    isSubmitting: false,
-    account_id: null,
-    comment: null,
-  }),
-});
-
-export default function account_notes(state = initialState, action) {
-  switch (action.type) {
-  case ACCOUNT_NOTE_INIT_EDIT:
-    return state.withMutations((state) => {
-      state.setIn(['edit', 'isSubmitting'], false);
-      state.setIn(['edit', 'account_id'], action.account.get('id'));
-      state.setIn(['edit', 'comment'], action.comment);
-    });
-  case ACCOUNT_NOTE_CHANGE_COMMENT:
-    return state.setIn(['edit', 'comment'], action.comment);
-  case ACCOUNT_NOTE_SUBMIT_REQUEST:
-    return state.setIn(['edit', 'isSubmitting'], true);
-  case ACCOUNT_NOTE_SUBMIT_FAIL:
-    return state.setIn(['edit', 'isSubmitting'], false);
-  case ACCOUNT_NOTE_SUBMIT_SUCCESS:
-  case ACCOUNT_NOTE_CANCEL:
-    return state.withMutations((state) => {
-      state.setIn(['edit', 'isSubmitting'], false);
-      state.setIn(['edit', 'account_id'], null);
-      state.setIn(['edit', 'comment'], null);
-    });
-  default:
-    return state;
-  }
-}
diff --git a/app/javascript/mastodon/reducers/compose.js b/app/javascript/mastodon/reducers/compose.js
index e6e6d2ae1..4c0ba1c36 100644
--- a/app/javascript/mastodon/reducers/compose.js
+++ b/app/javascript/mastodon/reducers/compose.js
@@ -14,6 +14,10 @@ import {
   COMPOSE_UPLOAD_FAIL,
   COMPOSE_UPLOAD_UNDO,
   COMPOSE_UPLOAD_PROGRESS,
+  THUMBNAIL_UPLOAD_REQUEST,
+  THUMBNAIL_UPLOAD_SUCCESS,
+  THUMBNAIL_UPLOAD_FAIL,
+  THUMBNAIL_UPLOAD_PROGRESS,
   COMPOSE_SUGGESTIONS_CLEAR,
   COMPOSE_SUGGESTIONS_READY,
   COMPOSE_SUGGESTION_SELECT,
@@ -60,6 +64,8 @@ const initialState = ImmutableMap({
   is_changing_upload: false,
   is_uploading: false,
   progress: 0,
+  isUploadingThumbnail: false,
+  thumbnailProgress: 0,
   media_attachments: ImmutableList(),
   pending_media_attachments: 0,
   poll: null,
@@ -332,6 +338,22 @@ export default function compose(state = initialState, action) {
     return removeMedia(state, action.media_id);
   case COMPOSE_UPLOAD_PROGRESS:
     return state.set('progress', Math.round((action.loaded / action.total) * 100));
+  case THUMBNAIL_UPLOAD_REQUEST:
+    return state.set('isUploadingThumbnail', true);
+  case THUMBNAIL_UPLOAD_PROGRESS:
+    return state.set('thumbnailProgress', Math.round((action.loaded / action.total) * 100));
+  case THUMBNAIL_UPLOAD_FAIL:
+    return state.set('isUploadingThumbnail', false);
+  case THUMBNAIL_UPLOAD_SUCCESS:
+    return state
+      .set('isUploadingThumbnail', false)
+      .update('media_attachments', list => list.map(item => {
+        if (item.get('id') === action.media.id) {
+          return fromJS(action.media);
+        }
+
+        return item;
+      }));
   case COMPOSE_MENTION:
     return state.withMutations(map => {
       map.update('text', text => [text.trim(), `@${action.account.get('acct')} `].filter((str) => str.length !== 0).join(' '));
diff --git a/app/javascript/mastodon/reducers/index.js b/app/javascript/mastodon/reducers/index.js
index 690349b85..3823bb05e 100644
--- a/app/javascript/mastodon/reducers/index.js
+++ b/app/javascript/mastodon/reducers/index.js
@@ -36,7 +36,6 @@ import trends from './trends';
 import missed_updates from './missed_updates';
 import announcements from './announcements';
 import markers from './markers';
-import account_notes from './account_notes';
 
 const reducers = {
   announcements,
@@ -76,7 +75,6 @@ const reducers = {
   trends,
   missed_updates,
   markers,
-  account_notes,
 };
 
 export default combineReducers(reducers);
diff --git a/app/javascript/mastodon/utils/numbers.js b/app/javascript/mastodon/utils/numbers.js
index af18dcfdd..6f2505cae 100644
--- a/app/javascript/mastodon/utils/numbers.js
+++ b/app/javascript/mastodon/utils/numbers.js
@@ -1,16 +1,71 @@
-import React, { Fragment } from 'react';
-import { FormattedNumber } from 'react-intl';
-
-export const shortNumberFormat = number => {
-  if (number < 1000) {
-    return <FormattedNumber value={number} />;
-  } else if (number < 10000) {
-    return <Fragment><FormattedNumber value={number / 1000} maximumFractionDigits={1} />K</Fragment>;
-  } else if (number < 1000000) {
-    return <Fragment><FormattedNumber value={number / 1000} maximumFractionDigits={0} />K</Fragment>;
-  } else if (number < 10000000) {
-    return <Fragment><FormattedNumber value={number / 1000000} maximumFractionDigits={1} />M</Fragment>;
-  } else {
-    return <Fragment><FormattedNumber value={number / 1000000} maximumFractionDigits={0} />M</Fragment>;
+// @ts-check
+
+export const DECIMAL_UNITS = Object.freeze({
+  ONE: 1,
+  TEN: 10,
+  HUNDRED: Math.pow(10, 2),
+  THOUSAND: Math.pow(10, 3),
+  MILLION: Math.pow(10, 6),
+  BILLION: Math.pow(10, 9),
+  TRILLION: Math.pow(10, 12),
+});
+
+const TEN_THOUSAND = DECIMAL_UNITS.THOUSAND * 10;
+const TEN_MILLIONS = DECIMAL_UNITS.MILLION * 10;
+
+/**
+ * @typedef {[number, number, number]} ShortNumber
+ * Array of: shorten number, unit of shorten number and maximum fraction digits
+ */
+
+/**
+ * @param {number} sourceNumber Number to convert to short number
+ * @returns {ShortNumber} Calculated short number
+ * @example
+ * shortNumber(5936);
+ * // => [5.936, 1000, 1]
+ */
+export function toShortNumber(sourceNumber) {
+  if (sourceNumber < DECIMAL_UNITS.THOUSAND) {
+    return [sourceNumber, DECIMAL_UNITS.ONE, 0];
+  } else if (sourceNumber < DECIMAL_UNITS.MILLION) {
+    return [
+      sourceNumber / DECIMAL_UNITS.THOUSAND,
+      DECIMAL_UNITS.THOUSAND,
+      sourceNumber < TEN_THOUSAND ? 1 : 0,
+    ];
+  } else if (sourceNumber < DECIMAL_UNITS.BILLION) {
+    return [
+      sourceNumber / DECIMAL_UNITS.MILLION,
+      DECIMAL_UNITS.MILLION,
+      sourceNumber < TEN_MILLIONS ? 1 : 0,
+    ];
+  } else if (sourceNumber < DECIMAL_UNITS.TRILLION) {
+    return [
+      sourceNumber / DECIMAL_UNITS.BILLION,
+      DECIMAL_UNITS.BILLION,
+      0,
+    ];
   }
-};
+
+  return [sourceNumber, DECIMAL_UNITS.ONE, 0];
+}
+
+/**
+ * @param {number} sourceNumber Original number that is shortened
+ * @param {number} division The scale in which short number is displayed
+ * @returns {number} Number that can be used for plurals when short form used
+ * @example
+ * pluralReady(1793, DECIMAL_UNITS.THOUSAND)
+ * // => 1790
+ */
+export function pluralReady(sourceNumber, division) {
+  // eslint-disable-next-line eqeqeq
+  if (division == null || division < DECIMAL_UNITS.HUNDRED) {
+    return sourceNumber;
+  }
+
+  let closestScale = division / DECIMAL_UNITS.TEN;
+
+  return Math.trunc(sourceNumber / closestScale) * closestScale;
+}
diff --git a/app/javascript/styles/mastodon/components.scss b/app/javascript/styles/mastodon/components.scss
index fe9f98d95..b20db2224 100644
--- a/app/javascript/styles/mastodon/components.scss
+++ b/app/javascript/styles/mastodon/components.scss
@@ -11,6 +11,15 @@
   position: relative;
 }
 
+.inline-alert {
+  color: $valid-value-color;
+  font-weight: 400;
+
+  .no-reduce-motion & {
+    transition: opacity 200ms ease;
+  }
+}
+
 .link-button {
   display: block;
   font-size: 15px;
@@ -4868,6 +4877,15 @@ a.status-card.compact:hover {
   }
 }
 
+.setting-divider {
+  background: transparent;
+  border: 0;
+  margin: 0;
+  width: 100%;
+  height: 1px;
+  margin-bottom: 29px;
+}
+
 .report-modal__comment {
   padding: 20px;
   border-right: 1px solid $ui-secondary-color;
@@ -6557,6 +6575,11 @@ noscript {
       padding: 20px 15px;
       padding-bottom: 5px;
       color: $primary-text-color;
+
+      .columns-area--mobile & {
+        padding-left: 20px;
+        padding-right: 20px;
+      }
     }
 
     .account__header__fields {
@@ -6601,63 +6624,50 @@ noscript {
   }
 
   &__account-note {
-    margin: 5px;
-    padding: 10px;
-    background: $ui-highlight-color;
+    padding: 15px;
+    padding-bottom: 10px;
     color: $primary-text-color;
-    display: flex;
-    flex-direction: column;
-    border-radius: 4px;
     font-size: 14px;
     font-weight: 400;
+    border-bottom: 1px solid lighten($ui-base-color, 12%);
 
-    &__header {
-      display: flex;
-      flex-direction: row;
-      justify-content: space-between;
-    }
-
-    &__content {
-      white-space: pre-wrap;
-      margin-top: 5px;
-    }
-
-    &__buttons {
-      display: flex;
-      flex-direction: row;
-      justify-content: flex-end;
-      margin-top: 5px;
-
-      .flex-spacer {
-        flex: 0 0 20px;
-        background: transparent;
-      }
+    .columns-area--mobile & {
+      padding-left: 20px;
+      padding-right: 20px;
     }
 
-    strong {
-      font-size: 15px;
+    label {
+      display: block;
+      font-size: 12px;
       font-weight: 500;
-    }
-
-    button:hover span {
-      text-decoration: underline;
+      color: $darker-text-color;
+      text-transform: uppercase;
+      margin-bottom: 5px;
     }
 
     textarea {
       display: block;
       box-sizing: border-box;
-      width: 100%;
-      margin: 0;
-      margin-top: 5px;
-      color: $inverted-text-color;
-      background: $simple-background-color;
+      width: calc(100% + 20px);
+      color: $secondary-text-color;
+      background: transparent;
       padding: 10px;
+      margin: 0 -10px;
       font-family: inherit;
       font-size: 14px;
       resize: none;
       border: 0;
       outline: 0;
       border-radius: 4px;
+
+      &::placeholder {
+        color: $dark-text-color;
+        opacity: 1;
+      }
+
+      &:focus {
+        background: $ui-base-color;
+      }
     }
   }
 }