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-rw-r--r--app/javascript/flavours/glitch/features/ui/components/actions_modal.js91
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/audio_modal.js58
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/block_modal.js103
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/boost_modal.js139
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/bundle.js107
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/bundle_column_error.js162
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/bundle_modal_error.js53
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/column.js75
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/column_header.js38
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/column_link.js55
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/column_loading.js32
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/column_subheading.js16
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/columns_area.js183
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/compare_history_modal.js99
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/compose_panel.js58
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/confirmation_modal.js88
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/deprecated_settings_modal.js86
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/disabled_account_banner.js92
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/doodle_modal.js614
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/drawer_loading.js11
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/embed_modal.js97
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/favourite_modal.js101
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/filter_modal.js134
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/focal_point_modal.js419
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/follow_requests_column_link.js51
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/header.js88
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/image_loader.js168
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/image_modal.js59
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/link_footer.js102
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/list_panel.js55
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/media_modal.js252
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/modal_loading.js20
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/modal_root.js144
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/mute_modal.js140
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/navigation_panel.js104
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/notifications_counter_icon.js9
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/onboarding_modal.js321
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/report_modal.js221
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/sign_in_banner.js40
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/upload_area.js52
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/video_modal.js66
-rw-r--r--app/javascript/flavours/glitch/features/ui/components/zoomable_image.js450
-rw-r--r--app/javascript/flavours/glitch/features/ui/containers/bundle_container.js19
-rw-r--r--app/javascript/flavours/glitch/features/ui/containers/columns_area_container.js17
-rw-r--r--app/javascript/flavours/glitch/features/ui/containers/loading_bar_container.js8
-rw-r--r--app/javascript/flavours/glitch/features/ui/containers/modal_container.js27
-rw-r--r--app/javascript/flavours/glitch/features/ui/containers/notifications_container.js29
-rw-r--r--app/javascript/flavours/glitch/features/ui/containers/status_list_container.js86
-rw-r--r--app/javascript/flavours/glitch/features/ui/index.js684
-rw-r--r--app/javascript/flavours/glitch/features/ui/util/async-components.js207
-rw-r--r--app/javascript/flavours/glitch/features/ui/util/fullscreen.js46
-rw-r--r--app/javascript/flavours/glitch/features/ui/util/get_rect_from_entry.js21
-rw-r--r--app/javascript/flavours/glitch/features/ui/util/intersection_observer_wrapper.js57
-rw-r--r--app/javascript/flavours/glitch/features/ui/util/optional_motion.js5
-rw-r--r--app/javascript/flavours/glitch/features/ui/util/react_router_helpers.js101
-rw-r--r--app/javascript/flavours/glitch/features/ui/util/reduced_motion.js44
-rw-r--r--app/javascript/flavours/glitch/features/ui/util/schedule_idle_task.js29
57 files changed, 6633 insertions, 0 deletions
diff --git a/app/javascript/flavours/glitch/features/ui/components/actions_modal.js b/app/javascript/flavours/glitch/features/ui/components/actions_modal.js
new file mode 100644
index 000000000..c6e3ee37c
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/actions_modal.js
@@ -0,0 +1,91 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import ImmutablePureComponent from 'react-immutable-pure-component';
+import StatusContent from 'flavours/glitch/components/status_content';
+import Avatar from 'flavours/glitch/components/avatar';
+import RelativeTimestamp from 'flavours/glitch/components/relative_timestamp';
+import DisplayName from 'flavours/glitch/components/display_name';
+import classNames from 'classnames';
+import IconButton from 'flavours/glitch/components/icon_button';
+
+export default class ActionsModal extends ImmutablePureComponent {
+
+  static propTypes = {
+    status: ImmutablePropTypes.map,
+    onClick: PropTypes.func,
+    actions: PropTypes.arrayOf(PropTypes.shape({
+      active: PropTypes.bool,
+      href: PropTypes.string,
+      icon: PropTypes.string,
+      meta: PropTypes.string,
+      name: PropTypes.string,
+      text: PropTypes.string,
+    })),
+    renderItemContents: PropTypes.func,
+  };
+
+  renderAction = (action, i) => {
+    if (action === null) {
+      return <li key={`sep-${i}`} className='dropdown-menu__separator' />;
+    }
+
+    const { icon = null, text, meta = null, active = false, href = '#' } = action;
+    let contents = this.props.renderItemContents && this.props.renderItemContents(action, i);
+
+    if (!contents) {
+      contents = (
+        <React.Fragment>
+          {icon && <IconButton title={text} icon={icon} role='presentation' tabIndex='-1' inverted />}
+          <div>
+            <div className={classNames({ 'actions-modal__item-label': !!meta })}>{text}</div>
+            <div>{meta}</div>
+          </div>
+        </React.Fragment>
+      );
+    }
+
+    return (
+      <li key={`${text}-${i}`}>
+        <a href={href} target='_blank' rel='noopener noreferrer' onClick={this.props.onClick} data-index={i} className={classNames('link', { active })}>
+          {contents}
+        </a>
+      </li>
+    );
+  };
+
+  render () {
+    const status = this.props.status && (
+      <div className='status light'>
+        <div className='boost-modal__status-header'>
+          <div className='boost-modal__status-time'>
+            <a href={this.props.status.get('url')} className='status__relative-time' target='_blank' rel='noopener noreferrer'>
+              <RelativeTimestamp timestamp={this.props.status.get('created_at')} />
+            </a>
+          </div>
+
+          <a href={this.props.status.getIn(['account', 'url'])} className='status__display-name' rel='noopener noreferrer'>
+            <div className='status__avatar'>
+              <Avatar account={this.props.status.get('account')} size={48} />
+            </div>
+
+            <DisplayName account={this.props.status.get('account')} />
+          </a>
+        </div>
+
+        <StatusContent status={this.props.status} />
+      </div>
+    );
+
+    return (
+      <div className='modal-root__modal actions-modal'>
+        {status}
+
+        <ul className={classNames({ 'with-status': !!status })}>
+          {this.props.actions.map(this.renderAction)}
+        </ul>
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/ui/components/audio_modal.js b/app/javascript/flavours/glitch/features/ui/components/audio_modal.js
new file mode 100644
index 000000000..fc98cc6af
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/audio_modal.js
@@ -0,0 +1,58 @@
+import React from 'react';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import PropTypes from 'prop-types';
+import Audio from 'flavours/glitch/features/audio';
+import { connect } from 'react-redux';
+import ImmutablePureComponent from 'react-immutable-pure-component';
+import Footer from 'flavours/glitch/features/picture_in_picture/components/footer';
+
+const mapStateToProps = (state, { statusId }) => ({
+  accountStaticAvatar: state.getIn(['accounts', state.getIn(['statuses', statusId, 'account']), 'avatar_static']),
+});
+
+export default @connect(mapStateToProps)
+class AudioModal extends ImmutablePureComponent {
+
+  static propTypes = {
+    media: ImmutablePropTypes.map.isRequired,
+    statusId: PropTypes.string.isRequired,
+    accountStaticAvatar: PropTypes.string.isRequired,
+    options: PropTypes.shape({
+      autoPlay: PropTypes.bool,
+    }),
+    onClose: PropTypes.func.isRequired,
+    onChangeBackgroundColor: PropTypes.func.isRequired,
+  };
+
+  static contextTypes = {
+    router: PropTypes.object,
+  };
+
+  render () {
+    const { media, accountStaticAvatar, statusId, onClose } = this.props;
+    const options = this.props.options || {};
+
+    return (
+      <div className='modal-root__modal audio-modal'>
+        <div className='audio-modal__container'>
+          <Audio
+            src={media.get('url')}
+            alt={media.get('description')}
+            duration={media.getIn(['meta', 'original', 'duration'], 0)}
+            height={150}
+            poster={media.get('preview_url') || accountStaticAvatar}
+            backgroundColor={media.getIn(['meta', 'colors', 'background'])}
+            foregroundColor={media.getIn(['meta', 'colors', 'foreground'])}
+            accentColor={media.getIn(['meta', 'colors', 'accent'])}
+            autoPlay={options.autoPlay}
+          />
+        </div>
+
+        <div className='media-modal__overlay'>
+          {statusId && <Footer statusId={statusId} withOpenButton onClose={onClose} />}
+        </div>
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/ui/components/block_modal.js b/app/javascript/flavours/glitch/features/ui/components/block_modal.js
new file mode 100644
index 000000000..6c9d2043c
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/block_modal.js
@@ -0,0 +1,103 @@
+import React from 'react';
+import { connect } from 'react-redux';
+import PropTypes from 'prop-types';
+import { injectIntl, FormattedMessage } from 'react-intl';
+import { makeGetAccount } from '../../../selectors';
+import Button from '../../../components/button';
+import { closeModal } from '../../../actions/modal';
+import { blockAccount } from '../../../actions/accounts';
+import { initReport } from '../../../actions/reports';
+
+
+const makeMapStateToProps = () => {
+  const getAccount = makeGetAccount();
+
+  const mapStateToProps = state => ({
+    account: getAccount(state, state.getIn(['blocks', 'new', 'account_id'])),
+  });
+
+  return mapStateToProps;
+};
+
+const mapDispatchToProps = dispatch => {
+  return {
+    onConfirm(account) {
+      dispatch(blockAccount(account.get('id')));
+    },
+
+    onBlockAndReport(account) {
+      dispatch(blockAccount(account.get('id')));
+      dispatch(initReport(account));
+    },
+
+    onClose() {
+      dispatch(closeModal());
+    },
+  };
+};
+
+export default @connect(makeMapStateToProps, mapDispatchToProps)
+@injectIntl
+class BlockModal extends React.PureComponent {
+
+  static propTypes = {
+    account: PropTypes.object.isRequired,
+    onClose: PropTypes.func.isRequired,
+    onBlockAndReport: PropTypes.func.isRequired,
+    onConfirm: PropTypes.func.isRequired,
+    intl: PropTypes.object.isRequired,
+  };
+
+  componentDidMount() {
+    this.button.focus();
+  }
+
+  handleClick = () => {
+    this.props.onClose();
+    this.props.onConfirm(this.props.account);
+  };
+
+  handleSecondary = () => {
+    this.props.onClose();
+    this.props.onBlockAndReport(this.props.account);
+  };
+
+  handleCancel = () => {
+    this.props.onClose();
+  };
+
+  setRef = (c) => {
+    this.button = c;
+  };
+
+  render () {
+    const { account } = this.props;
+
+    return (
+      <div className='modal-root__modal block-modal'>
+        <div className='block-modal__container'>
+          <p>
+            <FormattedMessage
+              id='confirmations.block.message'
+              defaultMessage='Are you sure you want to block {name}?'
+              values={{ name: <strong>@{account.get('acct')}</strong> }}
+            />
+          </p>
+        </div>
+
+        <div className='block-modal__action-bar'>
+          <Button onClick={this.handleCancel} className='block-modal__cancel-button'>
+            <FormattedMessage id='confirmation_modal.cancel' defaultMessage='Cancel' />
+          </Button>
+          <Button onClick={this.handleSecondary} className='confirmation-modal__secondary-button'>
+            <FormattedMessage id='confirmations.block.block_and_report' defaultMessage='Block & Report' />
+          </Button>
+          <Button onClick={this.handleClick} ref={this.setRef}>
+            <FormattedMessage id='confirmations.block.confirm' defaultMessage='Block' />
+          </Button>
+        </div>
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/ui/components/boost_modal.js b/app/javascript/flavours/glitch/features/ui/components/boost_modal.js
new file mode 100644
index 000000000..a65b84e20
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/boost_modal.js
@@ -0,0 +1,139 @@
+import React from 'react';
+import { connect } from 'react-redux';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import PropTypes from 'prop-types';
+import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
+import Button from 'flavours/glitch/components/button';
+import StatusContent from 'flavours/glitch/components/status_content';
+import Avatar from 'flavours/glitch/components/avatar';
+import RelativeTimestamp from 'flavours/glitch/components/relative_timestamp';
+import DisplayName from 'flavours/glitch/components/display_name';
+import AttachmentList from 'flavours/glitch/components/attachment_list';
+import Icon from 'flavours/glitch/components/icon';
+import ImmutablePureComponent from 'react-immutable-pure-component';
+import PrivacyDropdown from 'flavours/glitch/features/compose/components/privacy_dropdown';
+import classNames from 'classnames';
+import { changeBoostPrivacy } from 'flavours/glitch/actions/boosts';
+import VisibilityIcon from 'flavours/glitch/components/status_visibility_icon';
+
+const messages = defineMessages({
+  cancel_reblog: { id: 'status.cancel_reblog_private', defaultMessage: 'Unboost' },
+  reblog: { id: 'status.reblog', defaultMessage: 'Boost' },
+});
+
+const mapStateToProps = state => {
+  return {
+    privacy: state.getIn(['boosts', 'new', 'privacy']),
+  };
+};
+
+const mapDispatchToProps = dispatch => {
+  return {
+    onChangeBoostPrivacy(value) {
+      dispatch(changeBoostPrivacy(value));
+    },
+  };
+};
+
+export default @connect(mapStateToProps, mapDispatchToProps)
+@injectIntl
+class BoostModal extends ImmutablePureComponent {
+
+  static contextTypes = {
+    router: PropTypes.object,
+  };
+
+  static propTypes = {
+    status: ImmutablePropTypes.map.isRequired,
+    onReblog: PropTypes.func.isRequired,
+    onClose: PropTypes.func.isRequired,
+    missingMediaDescription: PropTypes.bool,
+    intl: PropTypes.object.isRequired,
+  };
+
+  componentDidMount() {
+    this.button.focus();
+  }
+
+  handleReblog = () => {
+    this.props.onReblog(this.props.status, this.props.privacy);
+    this.props.onClose();
+  };
+
+  handleAccountClick = (e) => {
+    if (e.button === 0) {
+      e.preventDefault();
+      this.props.onClose();
+      let state = { ...this.context.router.history.location.state };
+      state.mastodonBackSteps = (state.mastodonBackSteps || 0) + 1;
+      this.context.router.history.push(`/@${this.props.status.getIn(['account', 'acct'])}`, state);
+    }
+  };
+
+  _findContainer = () => {
+    return document.getElementsByClassName('modal-root__container')[0];
+  };
+
+  setRef = (c) => {
+    this.button = c;
+  };
+
+  render () {
+    const { status, missingMediaDescription, privacy, intl } = this.props;
+    const buttonText = status.get('reblogged') ? messages.cancel_reblog : messages.reblog;
+
+    return (
+      <div className='modal-root__modal boost-modal'>
+        <div className='boost-modal__container'>
+          <div className={classNames('status', `status-${status.get('visibility')}`, 'light')}>
+            <div className='boost-modal__status-header'>
+              <div className='boost-modal__status-time'>
+                <a href={status.get('url')} className='status__relative-time' target='_blank' rel='noopener noreferrer'>
+                  <VisibilityIcon visibility={status.get('visibility')} />
+                  <RelativeTimestamp timestamp={status.get('created_at')} /></a>
+              </div>
+
+              <a onClick={this.handleAccountClick} href={status.getIn(['account', 'url'])} className='status__display-name'>
+                <div className='status__avatar'>
+                  <Avatar account={status.get('account')} size={48} />
+                </div>
+
+                <DisplayName account={status.get('account')} />
+              </a>
+            </div>
+
+            <StatusContent status={status} />
+
+            {status.get('media_attachments').size > 0 && (
+              <AttachmentList
+                compact
+                media={status.get('media_attachments')}
+              />
+            )}
+          </div>
+        </div>
+
+        <div className='boost-modal__action-bar'>
+          <div>
+            { missingMediaDescription ?
+              <FormattedMessage id='boost_modal.missing_description' defaultMessage='This toot contains some media without description' />
+              :
+              <FormattedMessage id='boost_modal.combo' defaultMessage='You can press {combo} to skip this next time' values={{ combo: <span>Shift + <Icon id='retweet' /></span> }} />
+            }
+          </div>
+
+          {status.get('visibility') !== 'private' && !status.get('reblogged') && (
+            <PrivacyDropdown
+              noDirect
+              value={privacy}
+              container={this._findContainer}
+              onChange={this.props.onChangeBoostPrivacy}
+            />
+          )}
+          <Button text={intl.formatMessage(buttonText)} onClick={this.handleReblog} ref={this.setRef} />
+        </div>
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/ui/components/bundle.js b/app/javascript/flavours/glitch/features/ui/components/bundle.js
new file mode 100644
index 000000000..27b13ecfe
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/bundle.js
@@ -0,0 +1,107 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+
+const emptyComponent = () => null;
+const noop = () => { };
+
+class Bundle extends React.Component {
+
+  static propTypes = {
+    fetchComponent: PropTypes.func.isRequired,
+    loading: PropTypes.func,
+    error: PropTypes.func,
+    children: PropTypes.func.isRequired,
+    renderDelay: PropTypes.number,
+    onFetch: PropTypes.func,
+    onFetchSuccess: PropTypes.func,
+    onFetchFail: PropTypes.func,
+  };
+
+  static defaultProps = {
+    loading: emptyComponent,
+    error: emptyComponent,
+    renderDelay: 0,
+    onFetch: noop,
+    onFetchSuccess: noop,
+    onFetchFail: noop,
+  };
+
+  static cache = {};
+
+  state = {
+    mod: undefined,
+    forceRender: false,
+  };
+
+  componentWillMount() {
+    this.load(this.props);
+  }
+
+  componentWillReceiveProps(nextProps) {
+    if (nextProps.fetchComponent !== this.props.fetchComponent) {
+      this.load(nextProps);
+    }
+  }
+
+  componentWillUnmount () {
+    if (this.timeout) {
+      clearTimeout(this.timeout);
+    }
+  }
+
+  load = (props) => {
+    const { fetchComponent, onFetch, onFetchSuccess, onFetchFail, renderDelay } = props || this.props;
+
+    if (fetchComponent === undefined) {
+      this.setState({ mod: null });
+      return Promise.resolve();
+    }
+
+    onFetch();
+
+    if (Bundle.cache[fetchComponent.name]) {
+      const mod = Bundle.cache[fetchComponent.name];
+
+      this.setState({ mod: mod.default });
+      onFetchSuccess();
+      return Promise.resolve();
+    }
+
+    this.setState({ mod: undefined });
+
+    if (renderDelay !== 0) {
+      this.timestamp = new Date();
+      this.timeout = setTimeout(() => this.setState({ forceRender: true }), renderDelay);
+    }
+
+    return fetchComponent()
+      .then((mod) => {
+        Bundle.cache[fetchComponent.name] = mod;
+        this.setState({ mod: mod.default });
+        onFetchSuccess();
+      })
+      .catch((error) => {
+        this.setState({ mod: null });
+        onFetchFail(error);
+      });
+  };
+
+  render() {
+    const { loading: Loading, error: Error, children, renderDelay } = this.props;
+    const { mod, forceRender } = this.state;
+    const elapsed = this.timestamp ? (new Date() - this.timestamp) : renderDelay;
+
+    if (mod === undefined) {
+      return (elapsed >= renderDelay || forceRender) ? <Loading /> : null;
+    }
+
+    if (mod === null) {
+      return <Error onRetry={this.load} />;
+    }
+
+    return children(mod);
+  }
+
+}
+
+export default Bundle;
diff --git a/app/javascript/flavours/glitch/features/ui/components/bundle_column_error.js b/app/javascript/flavours/glitch/features/ui/components/bundle_column_error.js
new file mode 100644
index 000000000..88304dc36
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/bundle_column_error.js
@@ -0,0 +1,162 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { injectIntl, FormattedMessage } from 'react-intl';
+import Column from 'flavours/glitch/components/column';
+import Button from 'flavours/glitch/components/button';
+import { Helmet } from 'react-helmet';
+import { Link } from 'react-router-dom';
+import classNames from 'classnames';
+import { autoPlayGif } from 'flavours/glitch/initial_state';
+
+class GIF extends React.PureComponent {
+
+  static propTypes = {
+    src: PropTypes.string.isRequired,
+    staticSrc: PropTypes.string.isRequired,
+    className: PropTypes.string,
+    animate: PropTypes.bool,
+  };
+
+  static defaultProps = {
+    animate: autoPlayGif,
+  };
+
+  state = {
+    hovering: false,
+  };
+
+  handleMouseEnter = () => {
+    const { animate } = this.props;
+
+    if (!animate) {
+      this.setState({ hovering: true });
+    }
+  };
+
+  handleMouseLeave = () => {
+    const { animate } = this.props;
+
+    if (!animate) {
+      this.setState({ hovering: false });
+    }
+  };
+
+  render () {
+    const { src, staticSrc, className, animate } = this.props;
+    const { hovering } = this.state;
+
+    return (
+      <img
+        className={className}
+        src={(hovering || animate) ? src : staticSrc}
+        alt=''
+        role='presentation'
+        onMouseEnter={this.handleMouseEnter}
+        onMouseLeave={this.handleMouseLeave}
+      />
+    );
+  }
+
+}
+
+class CopyButton extends React.PureComponent {
+
+  static propTypes = {
+    children: PropTypes.node.isRequired,
+    value: PropTypes.string.isRequired,
+  };
+
+  state = {
+    copied: false,
+  };
+
+  handleClick = () => {
+    const { value } = this.props;
+    navigator.clipboard.writeText(value);
+    this.setState({ copied: true });
+    this.timeout = setTimeout(() => this.setState({ copied: false }), 700);
+  };
+
+  componentWillUnmount () {
+    if (this.timeout) clearTimeout(this.timeout);
+  }
+
+  render () {
+    const { children } = this.props;
+    const { copied } = this.state;
+
+    return (
+      <Button onClick={this.handleClick} className={copied ? 'copied' : 'copyable'}>{copied ? <FormattedMessage id='copypaste.copied' defaultMessage='Copied' /> : children}</Button>
+    );
+  }
+
+}
+
+export default @injectIntl
+class BundleColumnError extends React.PureComponent {
+
+  static propTypes = {
+    errorType: PropTypes.oneOf(['routing', 'network', 'error']),
+    onRetry: PropTypes.func,
+    intl: PropTypes.object.isRequired,
+    multiColumn: PropTypes.bool,
+    stacktrace: PropTypes.string,
+  };
+
+  static defaultProps = {
+    errorType: 'routing',
+  };
+
+  handleRetry = () => {
+    const { onRetry } = this.props;
+
+    if (onRetry) {
+      onRetry();
+    }
+  };
+
+  render () {
+    const { errorType, multiColumn, stacktrace } = this.props;
+
+    let title, body;
+
+    switch(errorType) {
+    case 'routing':
+      title = <FormattedMessage id='bundle_column_error.routing.title' defaultMessage='404' />;
+      body = <FormattedMessage id='bundle_column_error.routing.body' defaultMessage='The requested page could not be found. Are you sure the URL in the address bar is correct?' />;
+      break;
+    case 'network':
+      title = <FormattedMessage id='bundle_column_error.network.title' defaultMessage='Network error' />;
+      body = <FormattedMessage id='bundle_column_error.network.body' defaultMessage='There was an error when trying to load this page. This could be due to a temporary problem with your internet connection or this server.' />;
+      break;
+    case 'error':
+      title = <FormattedMessage id='bundle_column_error.error.title' defaultMessage='Oh, no!' />;
+      body = <FormattedMessage id='bundle_column_error.error.body' defaultMessage='The requested page could not be rendered. It could be due to a bug in our code, or a browser compatibility issue.' />;
+      break;
+    }
+
+    return (
+      <Column bindToDocument={!multiColumn}>
+        <div className='error-column'>
+          <GIF src='/oops.gif' staticSrc='/oops.png' className='error-column__image' />
+
+          <div className='error-column__message'>
+            <h1>{title}</h1>
+            <p>{body}</p>
+
+            <div className='error-column__message__actions'>
+              {errorType === 'network' && <Button onClick={this.handleRetry}><FormattedMessage id='bundle_column_error.retry' defaultMessage='Try again' /></Button>}
+              {errorType === 'error' && <CopyButton value={stacktrace}><FormattedMessage id='bundle_column_error.copy_stacktrace' defaultMessage='Copy error report' /></CopyButton>}
+              <Link to='/' className={classNames('button', { 'button-tertiary': errorType !== 'routing' })}><FormattedMessage id='bundle_column_error.return' defaultMessage='Go back home' /></Link>
+            </div>
+          </div>
+        </div>
+
+        <Helmet>
+          <meta name='robots' content='noindex' />
+        </Helmet>
+      </Column>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/ui/components/bundle_modal_error.js b/app/javascript/flavours/glitch/features/ui/components/bundle_modal_error.js
new file mode 100644
index 000000000..b79105450
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/bundle_modal_error.js
@@ -0,0 +1,53 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { defineMessages, injectIntl } from 'react-intl';
+
+import IconButton from 'flavours/glitch/components/icon_button';
+
+const messages = defineMessages({
+  error: { id: 'bundle_modal_error.message', defaultMessage: 'Something went wrong while loading this component.' },
+  retry: { id: 'bundle_modal_error.retry', defaultMessage: 'Try again' },
+  close: { id: 'bundle_modal_error.close', defaultMessage: 'Close' },
+});
+
+class BundleModalError extends React.Component {
+
+  static propTypes = {
+    onRetry: PropTypes.func.isRequired,
+    onClose: PropTypes.func.isRequired,
+    intl: PropTypes.object.isRequired,
+  };
+
+  handleRetry = () => {
+    this.props.onRetry();
+  };
+
+  render () {
+    const { onClose, intl: { formatMessage } } = this.props;
+
+    // Keep the markup in sync with <ModalLoading />
+    // (make sure they have the same dimensions)
+    return (
+      <div className='modal-root__modal error-modal'>
+        <div className='error-modal__body'>
+          <IconButton title={formatMessage(messages.retry)} icon='refresh' onClick={this.handleRetry} size={64} />
+          {formatMessage(messages.error)}
+        </div>
+
+        <div className='error-modal__footer'>
+          <div>
+            <button
+              onClick={onClose}
+              className='error-modal__nav onboarding-modal__skip'
+            >
+              {formatMessage(messages.close)}
+            </button>
+          </div>
+        </div>
+      </div>
+    );
+  }
+
+}
+
+export default injectIntl(BundleModalError);
diff --git a/app/javascript/flavours/glitch/features/ui/components/column.js b/app/javascript/flavours/glitch/features/ui/components/column.js
new file mode 100644
index 000000000..cc2abc43a
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/column.js
@@ -0,0 +1,75 @@
+import React from 'react';
+import ColumnHeader from './column_header';
+import PropTypes from 'prop-types';
+import { debounce } from 'lodash';
+import { scrollTop } from 'flavours/glitch/scroll';
+import { isMobile } from 'flavours/glitch/is_mobile';
+
+export default class Column extends React.PureComponent {
+
+  static propTypes = {
+    heading: PropTypes.string,
+    icon: PropTypes.string,
+    children: PropTypes.node,
+    active: PropTypes.bool,
+    hideHeadingOnMobile: PropTypes.bool,
+    name: PropTypes.string,
+    bindToDocument: PropTypes.bool,
+  };
+
+  handleHeaderClick = () => {
+    const scrollable = this.props.bindToDocument ? document.scrollingElement : this.node.querySelector('.scrollable');
+
+    if (!scrollable) {
+      return;
+    }
+
+    this._interruptScrollAnimation = scrollTop(scrollable);
+  };
+
+  scrollTop () {
+    const scrollable = this.props.bindToDocument ? document.scrollingElement : this.node.querySelector('.scrollable');
+
+    if (!scrollable) {
+      return;
+    }
+
+    this._interruptScrollAnimation = scrollTop(scrollable);
+  }
+
+
+  handleScroll = debounce(() => {
+    if (typeof this._interruptScrollAnimation !== 'undefined') {
+      this._interruptScrollAnimation();
+    }
+  }, 200);
+
+  setRef = (c) => {
+    this.node = c;
+  };
+
+  render () {
+    const { heading, icon, children, active, hideHeadingOnMobile, name } = this.props;
+
+    const showHeading = heading && (!hideHeadingOnMobile || (hideHeadingOnMobile && !isMobile(window.innerWidth)));
+
+    const columnHeaderId = showHeading && heading.replace(/ /g, '-');
+    const header = showHeading && (
+      <ColumnHeader icon={icon} active={active} type={heading} onClick={this.handleHeaderClick} columnHeaderId={columnHeaderId} />
+    );
+    return (
+      <div
+        ref={this.setRef}
+        role='region'
+        data-column={name}
+        aria-labelledby={columnHeaderId}
+        className='column'
+        onScroll={this.handleScroll}
+      >
+        {header}
+        {children}
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/ui/components/column_header.js b/app/javascript/flavours/glitch/features/ui/components/column_header.js
new file mode 100644
index 000000000..151476f8b
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/column_header.js
@@ -0,0 +1,38 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import classNames from 'classnames';
+import Icon from 'flavours/glitch/components/icon';
+
+export default class ColumnHeader extends React.PureComponent {
+
+  static propTypes = {
+    icon: PropTypes.string,
+    type: PropTypes.string,
+    active: PropTypes.bool,
+    onClick: PropTypes.func,
+    columnHeaderId: PropTypes.string,
+  };
+
+  handleClick = () => {
+    this.props.onClick();
+  };
+
+  render () {
+    const { icon, type, active, columnHeaderId } = this.props;
+    let iconElement = '';
+
+    if (icon) {
+      iconElement = <Icon id={icon} fixedWidth className='column-header__icon' />;
+    }
+
+    return (
+      <h1 className={classNames('column-header', { active })} id={columnHeaderId || null}>
+        <button onClick={this.handleClick}>
+          {iconElement}
+          {type}
+        </button>
+      </h1>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/ui/components/column_link.js b/app/javascript/flavours/glitch/features/ui/components/column_link.js
new file mode 100644
index 000000000..dcdac077f
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/column_link.js
@@ -0,0 +1,55 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { NavLink } from 'react-router-dom';
+import Icon from 'flavours/glitch/components/icon';
+import classNames from 'classnames';
+
+const ColumnLink = ({ icon, text, to, onClick, href, method, badge, transparent, ...other }) => {
+  const className = classNames('column-link', { 'column-link--transparent': transparent });
+  const badgeElement = typeof badge !== 'undefined' ? <span className='column-link__badge'>{badge}</span> : null;
+  const iconElement = typeof icon === 'string' ? <Icon id={icon} fixedWidth className='column-link__icon' /> : icon;
+
+  if (href) {
+    return (
+      <a href={href} className={className} data-method={method} title={text} {...other}>
+        {iconElement}
+        <span>{text}</span>
+        {badgeElement}
+      </a>
+    );
+  } else if (to) {
+    return (
+      <NavLink to={to} className={className} title={text} {...other}>
+        {iconElement}
+        <span>{text}</span>
+        {badgeElement}
+      </NavLink>
+    );
+  } else {
+    const handleOnClick = (e) => {
+      e.preventDefault();
+      e.stopPropagation();
+      return onClick(e);
+    };
+    return (
+      <a href='#' onClick={onClick && handleOnClick} className={className} title={text} {...other} tabIndex='0'>
+        {iconElement}
+        <span>{text}</span>
+        {badgeElement}
+      </a>
+    );
+  }
+};
+
+ColumnLink.propTypes = {
+  icon: PropTypes.oneOfType([PropTypes.string, PropTypes.node]).isRequired,
+  text: PropTypes.string.isRequired,
+  to: PropTypes.string,
+  onClick: PropTypes.func,
+  href: PropTypes.string,
+  method: PropTypes.string,
+  badge: PropTypes.node,
+  transparent: PropTypes.bool,
+};
+
+export default ColumnLink;
diff --git a/app/javascript/flavours/glitch/features/ui/components/column_loading.js b/app/javascript/flavours/glitch/features/ui/components/column_loading.js
new file mode 100644
index 000000000..b07385397
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/column_loading.js
@@ -0,0 +1,32 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+
+import Column from 'flavours/glitch/components/column';
+import ColumnHeader from 'flavours/glitch/components/column_header';
+import ImmutablePureComponent from 'react-immutable-pure-component';
+
+export default class ColumnLoading extends ImmutablePureComponent {
+
+  static propTypes = {
+    title: PropTypes.oneOfType([PropTypes.node, PropTypes.string]),
+    icon: PropTypes.string,
+    multiColumn: PropTypes.bool,
+  };
+
+  static defaultProps = {
+    title: '',
+    icon: '',
+  };
+
+  render() {
+    let { title, icon, multiColumn } = this.props;
+
+    return (
+      <Column>
+        <ColumnHeader icon={icon} title={title} multiColumn={multiColumn} focusable={false} placeholder />
+        <div className='scrollable' />
+      </Column>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/ui/components/column_subheading.js b/app/javascript/flavours/glitch/features/ui/components/column_subheading.js
new file mode 100644
index 000000000..8160c4aa3
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/column_subheading.js
@@ -0,0 +1,16 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+
+const ColumnSubheading = ({ text }) => {
+  return (
+    <div className='column-subheading'>
+      {text}
+    </div>
+  );
+};
+
+ColumnSubheading.propTypes = {
+  text: PropTypes.string.isRequired,
+};
+
+export default ColumnSubheading;
diff --git a/app/javascript/flavours/glitch/features/ui/components/columns_area.js b/app/javascript/flavours/glitch/features/ui/components/columns_area.js
new file mode 100644
index 000000000..3b3b0d58f
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/columns_area.js
@@ -0,0 +1,183 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import ImmutablePureComponent from 'react-immutable-pure-component';
+import BundleContainer from '../containers/bundle_container';
+import ColumnLoading from './column_loading';
+import DrawerLoading from './drawer_loading';
+import BundleColumnError from './bundle_column_error';
+import {
+  Compose,
+  Notifications,
+  HomeTimeline,
+  CommunityTimeline,
+  PublicTimeline,
+  HashtagTimeline,
+  DirectTimeline,
+  FavouritedStatuses,
+  BookmarkedStatuses,
+  ListTimeline,
+  Directory,
+} from '../../ui/util/async-components';
+import ComposePanel from './compose_panel';
+import NavigationPanel from './navigation_panel';
+
+import { supportsPassiveEvents } from 'detect-passive-events';
+import { scrollRight } from 'flavours/glitch/scroll';
+
+const componentMap = {
+  'COMPOSE': Compose,
+  'HOME': HomeTimeline,
+  'NOTIFICATIONS': Notifications,
+  'PUBLIC': PublicTimeline,
+  'REMOTE': PublicTimeline,
+  'COMMUNITY': CommunityTimeline,
+  'HASHTAG': HashtagTimeline,
+  'DIRECT': DirectTimeline,
+  'FAVOURITES': FavouritedStatuses,
+  'BOOKMARKS': BookmarkedStatuses,
+  'LIST': ListTimeline,
+  'DIRECTORY': Directory,
+};
+
+export default class ColumnsArea extends ImmutablePureComponent {
+
+  static contextTypes = {
+    router: PropTypes.object.isRequired,
+  };
+
+  static propTypes = {
+    columns: ImmutablePropTypes.list.isRequired,
+    singleColumn: PropTypes.bool,
+    children: PropTypes.node,
+    navbarUnder: PropTypes.bool,
+    openSettings: PropTypes.func,
+  };
+
+  // Corresponds to (max-width: $no-gap-breakpoint + 285px - 1px) in SCSS
+  mediaQuery = 'matchMedia' in window && window.matchMedia('(max-width: 1174px)');
+
+  state = {
+    renderComposePanel: !(this.mediaQuery && this.mediaQuery.matches),
+  };
+
+  componentDidMount() {
+    if (!this.props.singleColumn) {
+      this.node.addEventListener('wheel', this.handleWheel, supportsPassiveEvents ? { passive: true } : false);
+    }
+
+    if (this.mediaQuery) {
+      if (this.mediaQuery.addEventListener) {
+        this.mediaQuery.addEventListener('change', this.handleLayoutChange);
+      } else {
+        this.mediaQuery.addListener(this.handleLayoutChange);
+      }
+      this.setState({ renderComposePanel: !this.mediaQuery.matches });
+    }
+
+    this.isRtlLayout = document.getElementsByTagName('body')[0].classList.contains('rtl');
+  }
+
+  componentWillUpdate(nextProps) {
+    if (this.props.singleColumn !== nextProps.singleColumn && nextProps.singleColumn) {
+      this.node.removeEventListener('wheel', this.handleWheel);
+    }
+  }
+
+  componentDidUpdate(prevProps) {
+    if (this.props.singleColumn !== prevProps.singleColumn && !this.props.singleColumn) {
+      this.node.addEventListener('wheel', this.handleWheel, supportsPassiveEvents ? { passive: true } : false);
+    }
+  }
+
+  componentWillUnmount () {
+    if (!this.props.singleColumn) {
+      this.node.removeEventListener('wheel', this.handleWheel);
+    }
+
+    if (this.mediaQuery) {
+      if (this.mediaQuery.removeEventListener) {
+        this.mediaQuery.removeEventListener('change', this.handleLayoutChange);
+      } else {
+        this.mediaQuery.removeListener(this.handleLayoutChange);
+      }
+    }
+  }
+
+  handleChildrenContentChange() {
+    if (!this.props.singleColumn) {
+      const modifier = this.isRtlLayout ? -1 : 1;
+      this._interruptScrollAnimation = scrollRight(this.node, (this.node.scrollWidth - window.innerWidth) * modifier);
+    }
+  }
+
+  handleLayoutChange = (e) => {
+    this.setState({ renderComposePanel: !e.matches });
+  };
+
+  handleWheel = () => {
+    if (typeof this._interruptScrollAnimation !== 'function') {
+      return;
+    }
+
+    this._interruptScrollAnimation();
+  };
+
+  setRef = (node) => {
+    this.node = node;
+  };
+
+  renderLoading = columnId => () => {
+    return columnId === 'COMPOSE' ? <DrawerLoading /> : <ColumnLoading multiColumn />;
+  };
+
+  renderError = (props) => {
+    return <BundleColumnError multiColumn errorType='network' {...props} />;
+  };
+
+  render () {
+    const { columns, children, singleColumn, navbarUnder, openSettings } = this.props;
+    const { renderComposePanel } = this.state;
+
+    if (singleColumn) {
+      return (
+        <div className='columns-area__panels'>
+          <div className='columns-area__panels__pane columns-area__panels__pane--compositional'>
+            <div className='columns-area__panels__pane__inner'>
+              {renderComposePanel && <ComposePanel />}
+            </div>
+          </div>
+
+          <div className='columns-area__panels__main'>
+            <div className='tabs-bar__wrapper'><div id='tabs-bar__portal' /></div>
+            <div className='columns-area columns-area--mobile'>{children}</div>
+          </div>
+
+          <div className='columns-area__panels__pane columns-area__panels__pane--start columns-area__panels__pane--navigational'>
+            <div className='columns-area__panels__pane__inner'>
+              <NavigationPanel onOpenSettings={openSettings} />
+            </div>
+          </div>
+        </div>
+      );
+    }
+
+    return (
+      <div className='columns-area' ref={this.setRef}>
+        {columns.map(column => {
+          const params = column.get('params', null) === null ? null : column.get('params').toJS();
+          const other  = params && params.other ? params.other : {};
+
+          return (
+            <BundleContainer key={column.get('uuid')} fetchComponent={componentMap[column.get('id')]} loading={this.renderLoading(column.get('id'))} error={this.renderError}>
+              {SpecificComponent => <SpecificComponent columnId={column.get('uuid')} params={params} multiColumn {...other} />}
+            </BundleContainer>
+          );
+        })}
+
+        {React.Children.map(children, child => React.cloneElement(child, { multiColumn: true }))}
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/ui/components/compare_history_modal.js b/app/javascript/flavours/glitch/features/ui/components/compare_history_modal.js
new file mode 100644
index 000000000..baf7f25be
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/compare_history_modal.js
@@ -0,0 +1,99 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import { connect } from 'react-redux';
+import { FormattedMessage } from 'react-intl';
+import { closeModal } from 'flavours/glitch/actions/modal';
+import emojify from 'flavours/glitch/features/emoji/emoji';
+import escapeTextContentForBrowser from 'escape-html';
+import InlineAccount from 'flavours/glitch/components/inline_account';
+import IconButton from 'flavours/glitch/components/icon_button';
+import RelativeTimestamp from 'flavours/glitch/components/relative_timestamp';
+import MediaAttachments from 'flavours/glitch/components/media_attachments';
+
+const mapStateToProps = (state, { statusId }) => ({
+  versions: state.getIn(['history', statusId, 'items']),
+});
+
+const mapDispatchToProps = dispatch => ({
+
+  onClose() {
+    dispatch(closeModal());
+  },
+
+});
+
+export default @connect(mapStateToProps, mapDispatchToProps)
+class CompareHistoryModal extends React.PureComponent {
+
+  static propTypes = {
+    onClose: PropTypes.func.isRequired,
+    index: PropTypes.number.isRequired,
+    statusId: PropTypes.string.isRequired,
+    versions: ImmutablePropTypes.list.isRequired,
+  };
+
+  render () {
+    const { index, versions, onClose } = this.props;
+    const currentVersion = versions.get(index);
+
+    const emojiMap = currentVersion.get('emojis').reduce((obj, emoji) => {
+      obj[`:${emoji.get('shortcode')}:`] = emoji.toJS();
+      return obj;
+    }, {});
+
+    const content = { __html: emojify(currentVersion.get('content'), emojiMap) };
+    const spoilerContent = { __html: emojify(escapeTextContentForBrowser(currentVersion.get('spoiler_text')), emojiMap) };
+
+    const formattedDate = <RelativeTimestamp timestamp={currentVersion.get('created_at')} short={false} />;
+    const formattedName = <InlineAccount accountId={currentVersion.get('account')} />;
+
+    const label = currentVersion.get('original') ? (
+      <FormattedMessage id='status.history.created' defaultMessage='{name} created {date}' values={{ name: formattedName, date: formattedDate }} />
+    ) : (
+      <FormattedMessage id='status.history.edited' defaultMessage='{name} edited {date}' values={{ name: formattedName, date: formattedDate }} />
+    );
+
+    return (
+      <div className='modal-root__modal compare-history-modal'>
+        <div className='report-modal__target'>
+          <IconButton className='report-modal__close' icon='times' onClick={onClose} size={20} />
+          {label}
+        </div>
+
+        <div className='compare-history-modal__container'>
+          <div className='status__content'>
+            {currentVersion.get('spoiler_text').length > 0 && (
+              <React.Fragment>
+                <div className='translate' dangerouslySetInnerHTML={spoilerContent} />
+                <hr />
+              </React.Fragment>
+            )}
+
+            <div className='status__content__text status__content__text--visible translate' dangerouslySetInnerHTML={content} />
+
+            {!!currentVersion.get('poll') && (
+              <div className='poll'>
+                <ul>
+                  {currentVersion.getIn(['poll', 'options']).map(option => (
+                    <li key={option.get('title')}>
+                      <span className='poll__input disabled' />
+
+                      <span
+                        className='poll__option__text translate'
+                        dangerouslySetInnerHTML={{ __html: emojify(escapeTextContentForBrowser(option.get('title')), emojiMap) }}
+                      />
+                    </li>
+                  ))}
+                </ul>
+              </div>
+            )}
+
+            <MediaAttachments status={currentVersion} />
+          </div>
+        </div>
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/ui/components/compose_panel.js b/app/javascript/flavours/glitch/features/ui/components/compose_panel.js
new file mode 100644
index 000000000..34c194c99
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/compose_panel.js
@@ -0,0 +1,58 @@
+import React from 'react';
+import { connect } from 'react-redux';
+import PropTypes from 'prop-types';
+import SearchContainer from 'flavours/glitch/features/compose/containers/search_container';
+import ComposeFormContainer from 'flavours/glitch/features/compose/containers/compose_form_container';
+import NavigationContainer from 'flavours/glitch/features/compose/containers/navigation_container';
+import LinkFooter from './link_footer';
+import ServerBanner from 'flavours/glitch/components/server_banner';
+import { mountCompose, unmountCompose } from 'flavours/glitch/actions/compose';
+
+export default @connect()
+class ComposePanel extends React.PureComponent {
+
+  static contextTypes = {
+    identity: PropTypes.object.isRequired,
+  };
+
+  static propTypes = {
+    dispatch: PropTypes.func.isRequired,
+  };
+
+  componentDidMount () {
+    const { dispatch } = this.props;
+    dispatch(mountCompose());
+  }
+
+  componentWillUnmount () {
+    const { dispatch } = this.props;
+    dispatch(unmountCompose());
+  }
+
+  render() {
+    const { signedIn } = this.context.identity;
+
+    return (
+      <div className='compose-panel'>
+        <SearchContainer openInRoute />
+
+        {!signedIn && (
+          <React.Fragment>
+            <ServerBanner />
+            <div className='flex-spacer' />
+          </React.Fragment>
+        )}
+
+        {signedIn && (
+          <React.Fragment>
+            <NavigationContainer />
+            <ComposeFormContainer singleColumn />
+          </React.Fragment>
+        )}
+
+        <LinkFooter />
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/ui/components/confirmation_modal.js b/app/javascript/flavours/glitch/features/ui/components/confirmation_modal.js
new file mode 100644
index 000000000..94935de5d
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/confirmation_modal.js
@@ -0,0 +1,88 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { injectIntl, FormattedMessage } from 'react-intl';
+import Button from 'flavours/glitch/components/button';
+
+export default @injectIntl
+class ConfirmationModal extends React.PureComponent {
+
+  static propTypes = {
+    message: PropTypes.node.isRequired,
+    confirm: PropTypes.string.isRequired,
+    onClose: PropTypes.func.isRequired,
+    onConfirm: PropTypes.func.isRequired,
+    secondary: PropTypes.string,
+    onSecondary: PropTypes.func,
+    closeWhenConfirm: PropTypes.bool,
+    onDoNotAsk: PropTypes.func,
+    intl: PropTypes.object.isRequired,
+  };
+
+  static defaultProps = {
+    closeWhenConfirm: true,
+  };
+
+  componentDidMount() {
+    this.button.focus();
+  }
+
+  handleClick = () => {
+    if (this.props.closeWhenConfirm) {
+      this.props.onClose();
+    }
+    this.props.onConfirm();
+    if (this.props.onDoNotAsk && this.doNotAskCheckbox.checked) {
+      this.props.onDoNotAsk();
+    }
+  };
+
+  handleSecondary = () => {
+    this.props.onClose();
+    this.props.onSecondary();
+  };
+
+  handleCancel = () => {
+    this.props.onClose();
+  };
+
+  setRef = (c) => {
+    this.button = c;
+  };
+
+  setDoNotAskRef = (c) => {
+    this.doNotAskCheckbox = c;
+  };
+
+  render () {
+    const { message, confirm, secondary, onDoNotAsk } = this.props;
+
+    return (
+      <div className='modal-root__modal confirmation-modal'>
+        <div className='confirmation-modal__container'>
+          {message}
+        </div>
+
+        <div>
+          { onDoNotAsk && (
+            <div className='confirmation-modal__do_not_ask_again'>
+              <input type='checkbox' id='confirmation-modal__do_not_ask_again-checkbox' ref={this.setDoNotAskRef} />
+              <label for='confirmation-modal__do_not_ask_again-checkbox'>
+                <FormattedMessage id='confirmation_modal.do_not_ask_again' defaultMessage='Do not ask for confirmation again' />
+              </label>
+            </div>
+          )}
+          <div className='confirmation-modal__action-bar'>
+            <Button onClick={this.handleCancel} className='confirmation-modal__cancel-button'>
+              <FormattedMessage id='confirmation_modal.cancel' defaultMessage='Cancel' />
+            </Button>
+            {secondary !== undefined && (
+              <Button text={secondary} onClick={this.handleSecondary} className='confirmation-modal__secondary-button' />
+            )}
+            <Button text={confirm} onClick={this.handleClick} ref={this.setRef} />
+          </div>
+        </div>
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/ui/components/deprecated_settings_modal.js b/app/javascript/flavours/glitch/features/ui/components/deprecated_settings_modal.js
new file mode 100644
index 000000000..37f52b014
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/deprecated_settings_modal.js
@@ -0,0 +1,86 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
+import { preferenceLink } from 'flavours/glitch/utils/backend_links';
+import Button from 'flavours/glitch/components/button';
+import Icon from 'flavours/glitch/components/icon';
+import illustration from 'flavours/glitch/images/logo_warn_glitch.svg';
+
+const messages = defineMessages({
+  discardChanges: { id: 'confirmations.deprecated_settings.confirm', defaultMessage: 'Use Mastodon preferences' },
+  user_setting_expand_spoilers: { id: 'settings.enable_content_warnings_auto_unfold', defaultMessage: 'Automatically unfold content-warnings' },
+  user_setting_disable_swiping: { id: 'settings.swipe_to_change_columns', defaultMessage: 'Allow swiping to change columns (Mobile only)' },
+});
+
+export default @injectIntl
+class DeprecatedSettingsModal extends React.PureComponent {
+
+  static propTypes = {
+    settings: ImmutablePropTypes.list.isRequired,
+    onClose: PropTypes.func.isRequired,
+    onConfirm: PropTypes.func.isRequired,
+    intl: PropTypes.object.isRequired,
+  };
+
+  componentDidMount() {
+    this.button.focus();
+  }
+
+  handleClick = () => {
+    this.props.onConfirm();
+    this.props.onClose();
+  };
+
+  setRef = (c) => {
+    this.button = c;
+  };
+
+  render () {
+    const { settings, intl } = this.props;
+
+    return (
+      <div className='modal-root__modal confirmation-modal'>
+        <div className='confirmation-modal__container'>
+
+          <img src={illustration} className='modal-warning' alt='' />
+
+          <FormattedMessage
+            id='confirmations.deprecated_settings.message'
+            defaultMessage='Some of the glitch-soc device-specific {app_settings} you are using have been replaced by Mastodon {preferences} and will be overriden:'
+            values={{
+              app_settings: (
+                <strong className='deprecated-settings-label'>
+                  <Icon id='cogs' /> <FormattedMessage id='navigation_bar.app_settings' defaultMessage='App settings' />
+                </strong>
+              ),
+              preferences: (
+                <strong className='deprecated-settings-label'>
+                  <Icon id='cog' /> <FormattedMessage id='navigation_bar.preferences' defaultMessage='Preferences' />
+                </strong>
+              ),
+            }}
+          />
+
+          <div className='deprecated-settings-info'>
+            <ul>
+              { settings.map((setting_name) => (
+                <li>
+                  <a href={preferenceLink(setting_name)}><FormattedMessage {...messages[setting_name]} /></a>
+                </li>
+              )) }
+            </ul>
+          </div>
+        </div>
+
+        <div>
+          <div className='confirmation-modal__action-bar'>
+            <div />
+            <Button text={intl.formatMessage(messages.discardChanges)} onClick={this.handleClick} ref={this.setRef} />
+          </div>
+        </div>
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/ui/components/disabled_account_banner.js b/app/javascript/flavours/glitch/features/ui/components/disabled_account_banner.js
new file mode 100644
index 000000000..35933bedb
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/disabled_account_banner.js
@@ -0,0 +1,92 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { connect } from 'react-redux';
+import { Link } from 'react-router-dom';
+import { FormattedMessage, defineMessages, injectIntl } from 'react-intl';
+import { disabledAccountId, movedToAccountId, domain } from 'flavours/glitch/initial_state';
+import { openModal } from 'flavours/glitch/actions/modal';
+import { logOut } from 'flavours/glitch/utils/log_out';
+
+const messages = defineMessages({
+  logoutMessage: { id: 'confirmations.logout.message', defaultMessage: 'Are you sure you want to log out?' },
+  logoutConfirm: { id: 'confirmations.logout.confirm', defaultMessage: 'Log out' },
+});
+
+const mapStateToProps = (state) => ({
+  disabledAcct: state.getIn(['accounts', disabledAccountId, 'acct']),
+  movedToAcct: movedToAccountId ? state.getIn(['accounts', movedToAccountId, 'acct']) : undefined,
+});
+
+const mapDispatchToProps = (dispatch, { intl }) => ({
+  onLogout () {
+    dispatch(openModal('CONFIRM', {
+      message: intl.formatMessage(messages.logoutMessage),
+      confirm: intl.formatMessage(messages.logoutConfirm),
+      closeWhenConfirm: false,
+      onConfirm: () => logOut(),
+    }));
+  },
+});
+
+export default @injectIntl
+@connect(mapStateToProps, mapDispatchToProps)
+class DisabledAccountBanner extends React.PureComponent {
+
+  static propTypes = {
+    disabledAcct: PropTypes.string.isRequired,
+    movedToAcct: PropTypes.string,
+    onLogout: PropTypes.func.isRequired,
+    intl: PropTypes.object.isRequired,
+  };
+
+  handleLogOutClick = e => {
+    e.preventDefault();
+    e.stopPropagation();
+
+    this.props.onLogout();
+
+    return false;
+  };
+
+  render () {
+    const { disabledAcct, movedToAcct } = this.props;
+
+    const disabledAccountLink = (
+      <Link to={`/@${disabledAcct}`}>
+        {disabledAcct}@{domain}
+      </Link>
+    );
+
+    return (
+      <div className='sign-in-banner'>
+        <p>
+          {movedToAcct ? (
+            <FormattedMessage
+              id='moved_to_account_banner.text'
+              defaultMessage='Your account {disabledAccount} is currently disabled because you moved to {movedToAccount}.'
+              values={{
+                disabledAccount: disabledAccountLink,
+                movedToAccount: <Link to={`/@${movedToAcct}`}>{movedToAcct.includes('@') ? movedToAcct : `${movedToAcct}@${domain}`}</Link>,
+              }}
+            />
+          ) : (
+            <FormattedMessage
+              id='disabled_account_banner.text'
+              defaultMessage='Your account {disabledAccount} is currently disabled.'
+              values={{
+                disabledAccount: disabledAccountLink,
+              }}
+            />
+          )}
+        </p>
+        <a href='/auth/edit' className='button button--block'>
+          <FormattedMessage id='disabled_account_banner.account_settings' defaultMessage='Account settings' />
+        </a>
+        <button type='button' className='button button--block button-tertiary' onClick={this.handleLogOutClick}>
+          <FormattedMessage id='confirmations.logout.confirm' defaultMessage='Log out' />
+        </button>
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/ui/components/doodle_modal.js b/app/javascript/flavours/glitch/features/ui/components/doodle_modal.js
new file mode 100644
index 000000000..c8ea33a0e
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/doodle_modal.js
@@ -0,0 +1,614 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import Button from 'flavours/glitch/components/button';
+import ImmutablePureComponent from 'react-immutable-pure-component';
+import Atrament from 'atrament'; // the doodling library
+import { connect } from 'react-redux';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import { doodleSet, uploadCompose } from 'flavours/glitch/actions/compose';
+import IconButton from 'flavours/glitch/components/icon_button';
+import { debounce, mapValues } from 'lodash';
+import classNames from 'classnames';
+
+// palette nicked from MyPaint, CC0
+const palette = [
+  ['rgb(  0,    0,    0)', 'Black'],
+  ['rgb( 38,   38,   38)', 'Gray 15'],
+  ['rgb( 77,   77,   77)', 'Grey 30'],
+  ['rgb(128,  128,  128)', 'Grey 50'],
+  ['rgb(171,  171,  171)', 'Grey 67'],
+  ['rgb(217,  217,  217)', 'Grey 85'],
+  ['rgb(255,  255,  255)', 'White'],
+  ['rgb(128,    0,    0)', 'Maroon'],
+  ['rgb(209,    0,    0)', 'English-red'],
+  ['rgb(255,   54,   34)', 'Tomato'],
+  ['rgb(252,   60,    3)', 'Orange-red'],
+  ['rgb(255,  140,  105)', 'Salmon'],
+  ['rgb(252,  232,   32)', 'Cadium-yellow'],
+  ['rgb(243,  253,   37)', 'Lemon yellow'],
+  ['rgb(121,    5,   35)', 'Dark crimson'],
+  ['rgb(169,   32,   62)', 'Deep carmine'],
+  ['rgb(255,  140,    0)', 'Orange'],
+  ['rgb(255,  168,   18)', 'Dark tangerine'],
+  ['rgb(217,  144,   88)', 'Persian orange'],
+  ['rgb(194,  178,  128)', 'Sand'],
+  ['rgb(255,  229,  180)', 'Peach'],
+  ['rgb(100,   54,   46)', 'Bole'],
+  ['rgb(108,   41,   52)', 'Dark cordovan'],
+  ['rgb(163,   65,   44)', 'Chestnut'],
+  ['rgb(228,  136,  100)', 'Dark salmon'],
+  ['rgb(255,  195,  143)', 'Apricot'],
+  ['rgb(255,  219,  188)', 'Unbleached silk'],
+  ['rgb(242,  227,  198)', 'Straw'],
+  ['rgb( 53,   19,   13)', 'Bistre'],
+  ['rgb( 84,   42,   14)', 'Dark chocolate'],
+  ['rgb(102,   51,   43)', 'Burnt sienna'],
+  ['rgb(184,   66,    0)', 'Sienna'],
+  ['rgb(216,  153,   12)', 'Yellow ochre'],
+  ['rgb(210,  180,  140)', 'Tan'],
+  ['rgb(232,  204,  144)', 'Dark wheat'],
+  ['rgb(  0,   49,   83)', 'Prussian blue'],
+  ['rgb( 48,   69,  119)', 'Dark grey blue'],
+  ['rgb(  0,   71,  171)', 'Cobalt blue'],
+  ['rgb( 31,  117,  254)', 'Blue'],
+  ['rgb(120,  180,  255)', 'Bright french blue'],
+  ['rgb(171,  200,  255)', 'Bright steel blue'],
+  ['rgb(208,  231,  255)', 'Ice blue'],
+  ['rgb( 30,   51,   58)', 'Medium jungle green'],
+  ['rgb( 47,   79,   79)', 'Dark slate grey'],
+  ['rgb( 74,  104,   93)', 'Dark grullo green'],
+  ['rgb(  0,  128,  128)', 'Teal'],
+  ['rgb( 67,  170,  176)', 'Turquoise'],
+  ['rgb(109,  174,  199)', 'Cerulean frost'],
+  ['rgb(173,  217,  186)', 'Tiffany green'],
+  ['rgb( 22,   34,   29)', 'Gray-asparagus'],
+  ['rgb( 36,   48,   45)', 'Medium dark teal'],
+  ['rgb( 74,  104,   93)', 'Xanadu'],
+  ['rgb(119,  198,  121)', 'Mint'],
+  ['rgb(175,  205,  182)', 'Timberwolf'],
+  ['rgb(185,  245,  246)', 'Celeste'],
+  ['rgb(193,  255,  234)', 'Aquamarine'],
+  ['rgb( 29,   52,   35)', 'Cal Poly Pomona'],
+  ['rgb(  1,   68,   33)', 'Forest green'],
+  ['rgb( 42,  128,    0)', 'Napier green'],
+  ['rgb(128,  128,    0)', 'Olive'],
+  ['rgb( 65,  156,  105)', 'Sea green'],
+  ['rgb(189,  246,   29)', 'Green-yellow'],
+  ['rgb(231,  244,  134)', 'Bright chartreuse'],
+  ['rgb(138,   23,  137)', 'Purple'],
+  ['rgb( 78,   39,  138)', 'Violet'],
+  ['rgb(193,   75,  110)', 'Dark thulian pink'],
+  ['rgb(222,   49,   99)', 'Cerise'],
+  ['rgb(255,   20,  147)', 'Deep pink'],
+  ['rgb(255,  102,  204)', 'Rose pink'],
+  ['rgb(255,  203,  219)', 'Pink'],
+  ['rgb(255,  255,  255)', 'White'],
+  ['rgb(229,   17,    1)', 'RGB Red'],
+  ['rgb(  0,  255,    0)', 'RGB Green'],
+  ['rgb(  0,    0,  255)', 'RGB Blue'],
+  ['rgb(  0,  255,  255)', 'CMYK Cyan'],
+  ['rgb(255,    0,  255)', 'CMYK Magenta'],
+  ['rgb(255,  255,    0)', 'CMYK Yellow'],
+];
+
+// re-arrange to the right order for display
+let palReordered = [];
+for (let row = 0; row < 7; row++) {
+  for (let col = 0; col < 11; col++) {
+    palReordered.push(palette[col * 7 + row]);
+  }
+  palReordered.push(null); // null indicates a <br />
+}
+
+// Utility for converting base64 image to binary for upload
+// https://stackoverflow.com/questions/35940290/how-to-convert-base64-string-to-javascript-file-object-like-as-from-file-input-f
+function dataURLtoFile(dataurl, filename) {
+  let arr = dataurl.split(','), mime = arr[0].match(/:(.*?);/)[1],
+    bstr = atob(arr[1]), n = bstr.length, u8arr = new Uint8Array(n);
+  while(n--){
+    u8arr[n] = bstr.charCodeAt(n);
+  }
+  return new File([u8arr], filename, { type: mime });
+}
+/** Doodle canvas size options */
+const DOODLE_SIZES = {
+  normal: [500, 500, 'Square 500'],
+  tootbanner: [702, 330, 'Tootbanner'],
+  s640x480: [640, 480, '640×480 - 480p'],
+  s800x600: [800, 600, '800×600 - SVGA'],
+  s720x480: [720, 405, '720x405 - 16:9'],
+};
+
+
+const mapStateToProps = state => ({
+  options: state.getIn(['compose', 'doodle']),
+});
+
+const mapDispatchToProps = dispatch => ({
+  /** Set options in the redux store */
+  setOpt: (opts) => dispatch(doodleSet(opts)),
+  /** Submit doodle for upload */
+  submit: (file) => dispatch(uploadCompose([file])),
+});
+
+/**
+ * Doodling dialog with drawing canvas
+ *
+ * Keyboard shortcuts:
+ * - Delete: Clear screen, fill with background color
+ * - Backspace, Ctrl+Z: Undo one step
+ * - Ctrl held while drawing: Use background color
+ * - Shift held while clicking screen: Use fill tool
+ *
+ * Palette:
+ * - Left mouse button: pick foreground
+ * - Ctrl + left mouse button: pick background
+ * - Right mouse button: pick background
+ */
+export default @connect(mapStateToProps, mapDispatchToProps)
+class DoodleModal extends ImmutablePureComponent {
+
+  static propTypes = {
+    options: ImmutablePropTypes.map,
+    onClose: PropTypes.func.isRequired,
+    setOpt: PropTypes.func.isRequired,
+    submit: PropTypes.func.isRequired,
+  };
+
+  //region Option getters/setters
+
+  /** Foreground color */
+  get fg () {
+    return this.props.options.get('fg');
+  }
+  set fg (value) {
+    this.props.setOpt({ fg: value });
+  }
+
+  /** Background color */
+  get bg () {
+    return this.props.options.get('bg');
+  }
+  set bg (value) {
+    this.props.setOpt({ bg: value });
+  }
+
+  /** Swap Fg and Bg for drawing */
+  get swapped () {
+    return this.props.options.get('swapped');
+  }
+  set swapped (value) {
+    this.props.setOpt({ swapped: value });
+  }
+
+  /** Mode - 'draw' or 'fill' */
+  get mode () {
+    return this.props.options.get('mode');
+  }
+  set mode (value) {
+    this.props.setOpt({ mode: value });
+  }
+
+  /** Base line weight */
+  get weight () {
+    return this.props.options.get('weight');
+  }
+  set weight (value) {
+    this.props.setOpt({ weight: value });
+  }
+
+  /** Drawing opacity */
+  get opacity () {
+    return this.props.options.get('opacity');
+  }
+  set opacity (value) {
+    this.props.setOpt({ opacity: value });
+  }
+
+  /** Adaptive stroke - change width with speed */
+  get adaptiveStroke () {
+    return this.props.options.get('adaptiveStroke');
+  }
+  set adaptiveStroke (value) {
+    this.props.setOpt({ adaptiveStroke: value });
+  }
+
+  /** Smoothing (for mouse drawing) */
+  get smoothing () {
+    return this.props.options.get('smoothing');
+  }
+  set smoothing (value) {
+    this.props.setOpt({ smoothing: value });
+  }
+
+  /** Size preset */
+  get size () {
+    return this.props.options.get('size');
+  }
+  set size (value) {
+    this.props.setOpt({ size: value });
+  }
+
+  //endregion
+
+  /** Key up handler */
+  handleKeyUp = (e) => {
+    if (e.target.nodeName === 'INPUT') return;
+
+    if (e.key === 'Delete') {
+      e.preventDefault();
+      this.handleClearBtn();
+      return;
+    }
+
+    if (e.key === 'Backspace' || (e.key === 'z' && (e.ctrlKey || e.metaKey))) {
+      e.preventDefault();
+      this.undo();
+    }
+
+    if (e.key === 'Control' || e.key === 'Meta') {
+      this.controlHeld = false;
+      this.swapped = false;
+    }
+
+    if (e.key === 'Shift') {
+      this.shiftHeld = false;
+      this.mode = 'draw';
+    }
+  };
+
+  /** Key down handler */
+  handleKeyDown = (e) => {
+    if (e.key === 'Control' || e.key === 'Meta') {
+      this.controlHeld = true;
+      this.swapped = true;
+    }
+
+    if (e.key === 'Shift') {
+      this.shiftHeld = true;
+      this.mode = 'fill';
+    }
+  };
+
+  /**
+   * Component installed in the DOM, do some initial set-up
+   */
+  componentDidMount () {
+    this.controlHeld = false;
+    this.shiftHeld = false;
+    this.swapped = false;
+    window.addEventListener('keyup', this.handleKeyUp, false);
+    window.addEventListener('keydown', this.handleKeyDown, false);
+  }
+
+  /**
+   * Tear component down
+   */
+  componentWillUnmount () {
+    window.removeEventListener('keyup', this.handleKeyUp, false);
+    window.removeEventListener('keydown', this.handleKeyDown, false);
+    if (this.sketcher) this.sketcher.destroy();
+  }
+
+  /**
+   * Set reference to the canvas element.
+   * This is called during component init
+   *
+   * @param elem - canvas element
+   */
+  setCanvasRef = (elem) => {
+    this.canvas = elem;
+    if (elem) {
+      elem.addEventListener('dirty', () => {
+        this.saveUndo();
+        this.sketcher._dirty = false;
+      });
+
+      elem.addEventListener('click', () => {
+        // sketcher bug - does not fire dirty on fill
+        if (this.mode === 'fill') {
+          this.saveUndo();
+        }
+      });
+
+      // prevent context menu
+      elem.addEventListener('contextmenu', (e) => {
+        e.preventDefault();
+      });
+
+      elem.addEventListener('mousedown', (e) => {
+        if (e.button === 2) {
+          this.swapped = true;
+        }
+      });
+
+      elem.addEventListener('mouseup', (e) => {
+        if (e.button === 2) {
+          this.swapped = this.controlHeld;
+        }
+      });
+
+      this.initSketcher(elem);
+      this.mode = 'draw'; // Reset mode - it's confusing if left at 'fill'
+    }
+  };
+
+  /**
+   * Set up the sketcher instance
+   *
+   * @param canvas - canvas element. Null if we're just resizing
+   */
+  initSketcher (canvas = null) {
+    const sizepreset = DOODLE_SIZES[this.size];
+
+    if (this.sketcher) this.sketcher.destroy();
+    this.sketcher = new Atrament(canvas || this.canvas, sizepreset[0], sizepreset[1]);
+
+    if (canvas) {
+      this.ctx = this.sketcher.context;
+      this.updateSketcherSettings();
+    }
+
+    this.clearScreen();
+  }
+
+  /**
+   * Done button handler
+   */
+  onDoneButton = () => {
+    const dataUrl = this.sketcher.toImage();
+    const file = dataURLtoFile(dataUrl, 'doodle.png');
+    this.props.submit(file);
+    this.props.onClose(); // close dialog
+  };
+
+  /**
+   * Cancel button handler
+   */
+  onCancelButton = () => {
+    if (this.undos.length > 1 && !confirm('Discard doodle? All changes will be lost!')) {
+      return;
+    }
+
+    this.props.onClose(); // close dialog
+  };
+
+  /**
+   * Update sketcher options based on state
+   */
+  updateSketcherSettings () {
+    if (!this.sketcher) return;
+
+    if (this.oldSize !== this.size) this.initSketcher();
+
+    this.sketcher.color = (this.swapped ? this.bg : this.fg);
+    this.sketcher.opacity = this.opacity;
+    this.sketcher.weight = this.weight;
+    this.sketcher.mode = this.mode;
+    this.sketcher.smoothing = this.smoothing;
+    this.sketcher.adaptiveStroke = this.adaptiveStroke;
+
+    this.oldSize = this.size;
+  }
+
+  /**
+   * Fill screen with background color
+   */
+  clearScreen = () => {
+    this.ctx.fillStyle = this.bg;
+    this.ctx.fillRect(-1, -1, this.canvas.width+2, this.canvas.height+2);
+    this.undos = [];
+
+    this.doSaveUndo();
+  };
+
+  /**
+   * Undo one step
+   */
+  undo = () => {
+    if (this.undos.length > 1) {
+      this.undos.pop();
+      const buf = this.undos.pop();
+
+      this.sketcher.clear();
+      this.ctx.putImageData(buf, 0, 0);
+      this.doSaveUndo();
+    }
+  };
+
+  /**
+   * Save canvas content into the undo buffer immediately
+   */
+  doSaveUndo = () => {
+    this.undos.push(this.ctx.getImageData(0, 0, this.canvas.width, this.canvas.height));
+  };
+
+  /**
+   * Called on each canvas change.
+   * Saves canvas content to the undo buffer after some period of inactivity.
+   */
+  saveUndo = debounce(() => {
+    this.doSaveUndo();
+  }, 100);
+
+  /**
+   * Palette left click.
+   * Selects Fg color (or Bg, if Control/Meta is held)
+   *
+   * @param e - event
+   */
+  onPaletteClick = (e) => {
+    const c = e.target.dataset.color;
+
+    if (this.controlHeld) {
+      this.bg = c;
+    } else {
+      this.fg = c;
+    }
+
+    e.target.blur();
+    e.preventDefault();
+  };
+
+  /**
+   * Palette right click.
+   * Selects Bg color
+   *
+   * @param e - event
+   */
+  onPaletteRClick = (e) => {
+    this.bg = e.target.dataset.color;
+    e.target.blur();
+    e.preventDefault();
+  };
+
+  /**
+   * Handle click on the Draw mode button
+   *
+   * @param e - event
+   */
+  setModeDraw = (e) => {
+    this.mode = 'draw';
+    e.target.blur();
+  };
+
+  /**
+   * Handle click on the Fill mode button
+   *
+   * @param e - event
+   */
+  setModeFill = (e) => {
+    this.mode = 'fill';
+    e.target.blur();
+  };
+
+  /**
+   * Handle click on Smooth checkbox
+   *
+   * @param e - event
+   */
+  tglSmooth = (e) => {
+    this.smoothing = !this.smoothing;
+    e.target.blur();
+  };
+
+  /**
+   * Handle click on Adaptive checkbox
+   *
+   * @param e - event
+   */
+  tglAdaptive = (e) => {
+    this.adaptiveStroke = !this.adaptiveStroke;
+    e.target.blur();
+  };
+
+  /**
+   * Handle change of the Weight input field
+   *
+   * @param e - event
+   */
+  setWeight = (e) => {
+    this.weight = +e.target.value || 1;
+  };
+
+  /**
+   * Set size - clalback from the select box
+   *
+   * @param e - event
+   */
+  changeSize = (e) => {
+    let newSize = e.target.value;
+    if (newSize === this.oldSize) return;
+
+    if (this.undos.length > 1 && !confirm('Change canvas size? This will erase your current drawing!')) {
+      return;
+    }
+
+    this.size = newSize;
+  };
+
+  handleClearBtn = () => {
+    if (this.undos.length > 1 && !confirm('Clear canvas? This will erase your current drawing!')) {
+      return;
+    }
+
+    this.clearScreen();
+  };
+
+  /**
+   * Render the component
+   */
+  render () {
+    this.updateSketcherSettings();
+
+    return (
+      <div className='modal-root__modal doodle-modal'>
+        <div className='doodle-modal__container'>
+          <canvas ref={this.setCanvasRef} />
+        </div>
+
+        <div className='doodle-modal__action-bar'>
+          <div className='doodle-toolbar'>
+            <Button text='Done' onClick={this.onDoneButton} />
+            <Button text='Cancel' onClick={this.onCancelButton} />
+          </div>
+          <div className='filler' />
+          <div className='doodle-toolbar with-inputs'>
+            <div>
+              <label htmlFor='dd_smoothing'>Smoothing</label>
+              <span className='val'>
+                <input type='checkbox' id='dd_smoothing' onChange={this.tglSmooth} checked={this.smoothing} />
+              </span>
+            </div>
+            <div>
+              <label htmlFor='dd_adaptive'>Adaptive</label>
+              <span className='val'>
+                <input type='checkbox' id='dd_adaptive' onChange={this.tglAdaptive} checked={this.adaptiveStroke} />
+              </span>
+            </div>
+            <div>
+              <label htmlFor='dd_weight'>Weight</label>
+              <span className='val'>
+                <input type='number' min={1} id='dd_weight' value={this.weight} onChange={this.setWeight} />
+              </span>
+            </div>
+            <div>
+              <select aria-label='Canvas size' onInput={this.changeSize} defaultValue={this.size}>
+                { Object.values(mapValues(DOODLE_SIZES, (val, k) =>
+                  <option key={k} value={k}>{val[2]}</option>,
+                )) }
+              </select>
+            </div>
+          </div>
+          <div className='doodle-toolbar'>
+            <IconButton icon='pencil' title='Draw' label='Draw' onClick={this.setModeDraw} size={18} active={this.mode === 'draw'} inverted />
+            <IconButton icon='bath' title='Fill' label='Fill' onClick={this.setModeFill} size={18} active={this.mode === 'fill'} inverted />
+            <IconButton icon='undo' title='Undo' label='Undo' onClick={this.undo} size={18} inverted />
+            <IconButton icon='trash' title='Clear' label='Clear' onClick={this.handleClearBtn} size={18} inverted />
+          </div>
+          <div className='doodle-palette'>
+            {
+              palReordered.map((c, i) =>
+                c === null ?
+                  <br key={i} /> :
+                  <button
+                    key={i}
+                    style={{ backgroundColor: c[0] }}
+                    onClick={this.onPaletteClick}
+                    onContextMenu={this.onPaletteRClick}
+                    data-color={c[0]}
+                    title={c[1]}
+                    className={classNames({
+                      'foreground': this.fg === c[0],
+                      'background': this.bg === c[0],
+                    })}
+                  />,
+              )
+            }
+          </div>
+        </div>
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/ui/components/drawer_loading.js b/app/javascript/flavours/glitch/features/ui/components/drawer_loading.js
new file mode 100644
index 000000000..08b0d2347
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/drawer_loading.js
@@ -0,0 +1,11 @@
+import React from 'react';
+
+const DrawerLoading = () => (
+  <div className='drawer'>
+    <div className='drawer__pager'>
+      <div className='drawer__inner' />
+    </div>
+  </div>
+);
+
+export default DrawerLoading;
diff --git a/app/javascript/flavours/glitch/features/ui/components/embed_modal.js b/app/javascript/flavours/glitch/features/ui/components/embed_modal.js
new file mode 100644
index 000000000..92bfa79c4
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/embed_modal.js
@@ -0,0 +1,97 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import ImmutablePureComponent from 'react-immutable-pure-component';
+import { defineMessages, FormattedMessage, injectIntl } from 'react-intl';
+import api from 'flavours/glitch/api';
+import IconButton from 'flavours/glitch/components/icon_button';
+
+const messages = defineMessages({
+  close: { id: 'lightbox.close', defaultMessage: 'Close' },
+});
+
+export default @injectIntl
+class EmbedModal extends ImmutablePureComponent {
+
+  static propTypes = {
+    url: PropTypes.string.isRequired,
+    onClose: PropTypes.func.isRequired,
+    onError: PropTypes.func.isRequired,
+    intl: PropTypes.object.isRequired,
+  };
+
+  state = {
+    loading: false,
+    oembed: null,
+  };
+
+  componentDidMount () {
+    const { url } = this.props;
+
+    this.setState({ loading: true });
+
+    api().post('/api/web/embed', { url }).then(res => {
+      this.setState({ loading: false, oembed: res.data });
+
+      const iframeDocument = this.iframe.contentWindow.document;
+
+      iframeDocument.open();
+      iframeDocument.write(res.data.html);
+      iframeDocument.close();
+
+      iframeDocument.body.style.margin = 0;
+      this.iframe.width  = iframeDocument.body.scrollWidth;
+      this.iframe.height = iframeDocument.body.scrollHeight;
+    }).catch(error => {
+      this.props.onError(error);
+    });
+  }
+
+  setIframeRef = c =>  {
+    this.iframe = c;
+  };
+
+  handleTextareaClick = (e) => {
+    e.target.select();
+  };
+
+  render () {
+    const { intl, onClose } = this.props;
+    const { oembed } = this.state;
+
+    return (
+      <div className='modal-root__modal report-modal embed-modal'>
+        <div className='report-modal__target'>
+          <IconButton className='media-modal__close' title={intl.formatMessage(messages.close)} icon='times' onClick={onClose} size={16} />
+          <FormattedMessage id='status.embed' defaultMessage='Embed' />
+        </div>
+
+        <div className='report-modal__container embed-modal__container' style={{ display: 'block' }}>
+          <p className='hint'>
+            <FormattedMessage id='embed.instructions' defaultMessage='Embed this status on your website by copying the code below.' />
+          </p>
+
+          <input
+            type='text'
+            className='embed-modal__html'
+            readOnly
+            value={oembed && oembed.html || ''}
+            onClick={this.handleTextareaClick}
+          />
+
+          <p className='hint'>
+            <FormattedMessage id='embed.preview' defaultMessage='Here is what it will look like:' />
+          </p>
+
+          <iframe
+            className='embed-modal__iframe'
+            frameBorder='0'
+            ref={this.setIframeRef}
+            sandbox='allow-same-origin'
+            title='preview'
+          />
+        </div>
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/ui/components/favourite_modal.js b/app/javascript/flavours/glitch/features/ui/components/favourite_modal.js
new file mode 100644
index 000000000..78cbfeb51
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/favourite_modal.js
@@ -0,0 +1,101 @@
+import React from 'react';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import PropTypes from 'prop-types';
+import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
+import Button from 'flavours/glitch/components/button';
+import StatusContent from 'flavours/glitch/components/status_content';
+import Avatar from 'flavours/glitch/components/avatar';
+import RelativeTimestamp from 'flavours/glitch/components/relative_timestamp';
+import DisplayName from 'flavours/glitch/components/display_name';
+import AttachmentList from 'flavours/glitch/components/attachment_list';
+import Icon from 'flavours/glitch/components/icon';
+import ImmutablePureComponent from 'react-immutable-pure-component';
+import classNames from 'classnames';
+import VisibilityIcon from 'flavours/glitch/components/status_visibility_icon';
+
+const messages = defineMessages({
+  favourite: { id: 'status.favourite', defaultMessage: 'Favourite' },
+});
+
+export default @injectIntl
+class FavouriteModal extends ImmutablePureComponent {
+
+  static contextTypes = {
+    router: PropTypes.object,
+  };
+
+  static propTypes = {
+    status: ImmutablePropTypes.map.isRequired,
+    onFavourite: PropTypes.func.isRequired,
+    onClose: PropTypes.func.isRequired,
+    intl: PropTypes.object.isRequired,
+  };
+
+  componentDidMount() {
+    this.button.focus();
+  }
+
+  handleFavourite = () => {
+    this.props.onFavourite(this.props.status);
+    this.props.onClose();
+  };
+
+  handleAccountClick = (e) => {
+    if (e.button === 0) {
+      e.preventDefault();
+      this.props.onClose();
+      let state = { ...this.context.router.history.location.state };
+      state.mastodonBackSteps = (state.mastodonBackSteps || 0) + 1;
+      this.context.router.history.push(`/@${this.props.status.getIn(['account', 'acct'])}`, state);
+    }
+  };
+
+  setRef = (c) => {
+    this.button = c;
+  };
+
+  render () {
+    const { status, intl } = this.props;
+
+    return (
+      <div className='modal-root__modal boost-modal'>
+        <div className='boost-modal__container'>
+          <div className={classNames('status', `status-${status.get('visibility')}`, 'light')}>
+            <div className='boost-modal__status-header'>
+              <div className='boost-modal__status-time'>
+                <a href={status.get('url')} className='status__relative-time' target='_blank' rel='noopener noreferrer'>
+                  <VisibilityIcon visibility={status.get('visibility')} />
+                  <RelativeTimestamp timestamp={status.get('created_at')} />
+                </a>
+              </div>
+
+              <a onClick={this.handleAccountClick} href={status.getIn(['account', 'url'])} className='status__display-name'>
+                <div className='status__avatar'>
+                  <Avatar account={status.get('account')} size={48} />
+                </div>
+
+                <DisplayName account={status.get('account')} />
+
+              </a>
+            </div>
+
+            <StatusContent status={status} />
+
+            {status.get('media_attachments').size > 0 && (
+              <AttachmentList
+                compact
+                media={status.get('media_attachments')}
+              />
+            )}
+          </div>
+        </div>
+
+        <div className='boost-modal__action-bar'>
+          <div><FormattedMessage id='favourite_modal.combo' defaultMessage='You can press {combo} to skip this next time' values={{ combo: <span>Shift + <Icon id='star' /></span> }} /></div>
+          <Button text={intl.formatMessage(messages.favourite)} onClick={this.handleFavourite} ref={this.setRef} />
+        </div>
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/ui/components/filter_modal.js b/app/javascript/flavours/glitch/features/ui/components/filter_modal.js
new file mode 100644
index 000000000..d2482e733
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/filter_modal.js
@@ -0,0 +1,134 @@
+import React from 'react';
+import { connect } from 'react-redux';
+import { fetchStatus } from 'flavours/glitch/actions/statuses';
+import { fetchFilters, createFilter, createFilterStatus } from 'flavours/glitch/actions/filters';
+import PropTypes from 'prop-types';
+import { defineMessages, FormattedMessage, injectIntl } from 'react-intl';
+import ImmutablePureComponent from 'react-immutable-pure-component';
+import IconButton from 'flavours/glitch/components/icon_button';
+import SelectFilter from 'flavours/glitch/features/filters/select_filter';
+import AddedToFilter from 'flavours/glitch/features/filters/added_to_filter';
+
+const messages = defineMessages({
+  close: { id: 'lightbox.close', defaultMessage: 'Close' },
+});
+
+export default @connect(undefined)
+@injectIntl
+class FilterModal extends ImmutablePureComponent {
+
+  static propTypes = {
+    statusId: PropTypes.string.isRequired,
+    contextType: PropTypes.string,
+    dispatch: PropTypes.func.isRequired,
+    intl: PropTypes.object.isRequired,
+  };
+
+  state = {
+    step: 'select',
+    filterId: null,
+    isSubmitting: false,
+    isSubmitted: false,
+  };
+
+  handleNewFilterSuccess = (result) => {
+    this.handleSelectFilter(result.id);
+  };
+
+  handleSuccess = () => {
+    const { dispatch, statusId } = this.props;
+    dispatch(fetchStatus(statusId, true));
+    this.setState({ isSubmitting: false, isSubmitted: true, step: 'submitted' });
+  };
+
+  handleFail = () => {
+    this.setState({ isSubmitting: false });
+  };
+
+  handleNextStep = step => {
+    this.setState({ step });
+  };
+
+  handleSelectFilter = (filterId) => {
+    const { dispatch, statusId } = this.props;
+
+    this.setState({ isSubmitting: true, filterId });
+
+    dispatch(createFilterStatus({
+      filter_id: filterId,
+      status_id: statusId,
+    }, this.handleSuccess, this.handleFail));
+  };
+
+  handleNewFilter = (title) => {
+    const { dispatch } = this.props;
+
+    this.setState({ isSubmitting: true });
+
+    dispatch(createFilter({
+      title,
+      context: ['home', 'notifications', 'public', 'thread', 'account'],
+      action: 'warn',
+    }, this.handleNewFilterSuccess, this.handleFail));
+  };
+
+  componentDidMount () {
+    const { dispatch } = this.props;
+
+    dispatch(fetchFilters());
+  }
+
+  render () {
+    const {
+      intl,
+      statusId,
+      contextType,
+      onClose,
+    } = this.props;
+
+    const {
+      step,
+      filterId,
+    } = this.state;
+
+    let stepComponent;
+
+    switch(step) {
+    case 'select':
+      stepComponent = (
+        <SelectFilter
+          contextType={contextType}
+          onSelectFilter={this.handleSelectFilter}
+          onNewFilter={this.handleNewFilter}
+        />
+      );
+      break;
+    case 'create':
+      stepComponent = null;
+      break;
+    case 'submitted':
+      stepComponent = (
+        <AddedToFilter
+          contextType={contextType}
+          filterId={filterId}
+          statusId={statusId}
+          onClose={onClose}
+        />
+      );
+    }
+
+    return (
+      <div className='modal-root__modal report-dialog-modal'>
+        <div className='report-modal__target'>
+          <IconButton className='report-modal__close' title={intl.formatMessage(messages.close)} icon='times' onClick={onClose} size={20} />
+          <FormattedMessage id='filter_modal.title.status' defaultMessage='Filter a post' />
+        </div>
+
+        <div className='report-dialog-modal__container'>
+          {stepComponent}
+        </div>
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/ui/components/focal_point_modal.js b/app/javascript/flavours/glitch/features/ui/components/focal_point_modal.js
new file mode 100644
index 000000000..e36657fab
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/focal_point_modal.js
@@ -0,0 +1,419 @@
+import React from 'react';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import PropTypes from 'prop-types';
+import ImmutablePureComponent from 'react-immutable-pure-component';
+import { connect } from 'react-redux';
+import classNames from 'classnames';
+import { changeUploadCompose, uploadThumbnail, onChangeMediaDescription, onChangeMediaFocus } from 'flavours/glitch/actions/compose';
+import { getPointerPosition } from 'flavours/glitch/features/video';
+import { FormattedMessage, defineMessages, injectIntl } from 'react-intl';
+import IconButton from 'flavours/glitch/components/icon_button';
+import Button from 'flavours/glitch/components/button';
+import Video from 'flavours/glitch/features/video';
+import Audio from 'flavours/glitch/features/audio';
+import Textarea from 'react-textarea-autosize';
+import UploadProgress from 'flavours/glitch/features/compose/components/upload_progress';
+import CharacterCounter from 'flavours/glitch/features/compose/components/character_counter';
+import { length } from 'stringz';
+import { Tesseract as fetchTesseract } from 'flavours/glitch/features/ui/util/async-components';
+import GIFV from 'flavours/glitch/components/gifv';
+import { me } from 'flavours/glitch/initial_state';
+// eslint-disable-next-line import/no-extraneous-dependencies
+import tesseractCorePath from 'tesseract.js-core/tesseract-core.wasm.js';
+// eslint-disable-next-line import/extensions
+import tesseractWorkerPath from 'tesseract.js/dist/worker.min.js';
+import { assetHost } from 'flavours/glitch/utils/config';
+
+const messages = defineMessages({
+  close: { id: 'lightbox.close', defaultMessage: 'Close' },
+  apply: { id: 'upload_modal.apply', defaultMessage: 'Apply' },
+  applying: { id: 'upload_modal.applying', defaultMessage: 'Applying…' },
+  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' },
+  discardMessage: { id: 'confirmations.discard_edit_media.message', defaultMessage: 'You have unsaved changes to the media description or preview, discard them anyway?' },
+  discardConfirm: { id: 'confirmations.discard_edit_media.confirm', defaultMessage: 'Discard' },
+});
+
+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']),
+  description: state.getIn(['compose', 'media_modal', 'description']),
+  lang: state.getIn(['compose', 'language']),
+  focusX: state.getIn(['compose', 'media_modal', 'focusX']),
+  focusY: state.getIn(['compose', 'media_modal', 'focusY']),
+  dirty: state.getIn(['compose', 'media_modal', 'dirty']),
+  is_changing_upload: state.getIn(['compose', 'is_changing_upload']),
+});
+
+const mapDispatchToProps = (dispatch, { id }) => ({
+
+  onSave: (description, x, y) => {
+    dispatch(changeUploadCompose(id, { description, focus: `${x.toFixed(2)},${y.toFixed(2)}` }));
+  },
+
+  onChangeDescription: (description) => {
+    dispatch(onChangeMediaDescription(description));
+  },
+
+  onChangeFocus: (focusX, focusY) => {
+    dispatch(onChangeMediaFocus(focusX, focusY));
+  },
+
+  onSelectThumbnail: files => {
+    dispatch(uploadThumbnail(id, files[0]));
+  },
+
+});
+
+const removeExtraLineBreaks = str => str.replace(/\n\n/g, '******')
+  .replace(/\n/g, ' ')
+  .replace(/\*\*\*\*\*\*/g, '\n\n');
+
+class ImageLoader extends React.PureComponent {
+
+  static propTypes = {
+    src: PropTypes.string.isRequired,
+    width: PropTypes.number,
+    height: PropTypes.number,
+  };
+
+  state = {
+    loading: true,
+  };
+
+  componentDidMount() {
+    const image = new Image();
+    image.addEventListener('load', () => this.setState({ loading: false }));
+    image.src = this.props.src;
+  }
+
+  render () {
+    const { loading } = this.state;
+
+    if (loading) {
+      return <canvas width={this.props.width} height={this.props.height} />;
+    } else {
+      return <img {...this.props} alt='' />;
+    }
+  }
+
+}
+
+export default @connect(mapStateToProps, mapDispatchToProps, null, { forwardRef: true })
+@(component => injectIntl(component, { withRef: true }))
+class FocalPointModal extends ImmutablePureComponent {
+
+  static propTypes = {
+    media: ImmutablePropTypes.map.isRequired,
+    account: ImmutablePropTypes.map.isRequired,
+    isUploadingThumbnail: PropTypes.bool,
+    onSave: PropTypes.func.isRequired,
+    onChangeDescription: PropTypes.func.isRequired,
+    onChangeFocus: PropTypes.func.isRequired,
+    onSelectThumbnail: PropTypes.func.isRequired,
+    onClose: PropTypes.func.isRequired,
+    intl: PropTypes.object.isRequired,
+  };
+
+  state = {
+    dragging: false,
+    dirty: false,
+    progress: 0,
+    loading: true,
+    ocrStatus: '',
+  };
+
+  componentWillUnmount () {
+    document.removeEventListener('mousemove', this.handleMouseMove);
+    document.removeEventListener('mouseup', this.handleMouseUp);
+  }
+
+  handleMouseDown = e => {
+    document.addEventListener('mousemove', this.handleMouseMove);
+    document.addEventListener('mouseup', this.handleMouseUp);
+
+    this.updatePosition(e);
+    this.setState({ dragging: true });
+  };
+
+  handleTouchStart = e => {
+    document.addEventListener('touchmove', this.handleMouseMove);
+    document.addEventListener('touchend', this.handleTouchEnd);
+
+    this.updatePosition(e);
+    this.setState({ dragging: true });
+  };
+
+  handleMouseMove = e => {
+    this.updatePosition(e);
+  };
+
+  handleMouseUp = () => {
+    document.removeEventListener('mousemove', this.handleMouseMove);
+    document.removeEventListener('mouseup', this.handleMouseUp);
+
+    this.setState({ dragging: false });
+  };
+
+  handleTouchEnd = () => {
+    document.removeEventListener('touchmove', this.handleMouseMove);
+    document.removeEventListener('touchend', this.handleTouchEnd);
+
+    this.setState({ dragging: false });
+  };
+
+  updatePosition = e => {
+    const { x, y } = getPointerPosition(this.node, e);
+    const focusX   = (x - .5) *  2;
+    const focusY   = (y - .5) * -2;
+
+    this.props.onChangeFocus(focusX, focusY);
+  };
+
+  handleChange = e => {
+    this.props.onChangeDescription(e.target.value);
+  };
+
+  handleKeyDown = (e) => {
+    if (e.keyCode === 13 && (e.ctrlKey || e.metaKey)) {
+      e.preventDefault();
+      e.stopPropagation();
+      this.props.onChangeDescription(e.target.value);
+      this.handleSubmit();
+    }
+  };
+
+  handleSubmit = () => {
+    this.props.onSave(this.props.description, this.props.focusX, this.props.focusY);
+  };
+
+  getCloseConfirmationMessage = () => {
+    const { intl, dirty } = this.props;
+
+    if (dirty) {
+      return {
+        message: intl.formatMessage(messages.discardMessage),
+        confirm: intl.formatMessage(messages.discardConfirm),
+      };
+    } else {
+      return null;
+    }
+  };
+
+  setRef = c => {
+    this.node = c;
+  };
+
+  handleTextDetection = () => {
+    this._detectText();
+  };
+
+  _detectText = (refreshCache = false) => {
+    const { media } = this.props;
+
+    this.setState({ detecting: true });
+
+    fetchTesseract().then(({ createWorker }) => {
+      const worker = createWorker({
+        workerPath: tesseractWorkerPath,
+        corePath: tesseractCorePath,
+        langPath: `${assetHost}/ocr/lang-data/`,
+        logger: ({ status, progress }) => {
+          if (status === 'recognizing text') {
+            this.setState({ ocrStatus: 'detecting', progress });
+          } else {
+            this.setState({ ocrStatus: 'preparing', progress });
+          }
+        },
+        cacheMethod: refreshCache ? 'refresh' : 'write',
+      });
+
+      let media_url = media.get('url');
+
+      if (window.URL && URL.createObjectURL) {
+        try {
+          media_url = URL.createObjectURL(media.get('file'));
+        } catch (error) {
+          console.error(error);
+        }
+      }
+
+      return (async () => {
+        await worker.load();
+        await worker.loadLanguage('eng');
+        await worker.initialize('eng');
+        const { data: { text } } = await worker.recognize(media_url);
+        this.setState({ detecting: false });
+        this.props.onChangeDescription(removeExtraLineBreaks(text));
+        await worker.terminate();
+      })().catch((e) => {
+        if (refreshCache) {
+          throw e;
+        } else {
+          this._detectText(true);
+        }
+      });
+    }).catch((e) => {
+      console.error(e);
+      this.setState({ detecting: false });
+    });
+  };
+
+  handleThumbnailChange = e => {
+    if (e.target.files.length > 0) {
+      this.props.onSelectThumbnail(e.target.files);
+    }
+  };
+
+  setFileInputRef = c => {
+    this.fileInput = c;
+  };
+
+  handleFileInputClick = () => {
+    this.fileInput.click();
+  };
+
+  render () {
+    const { media, intl, account, onClose, isUploadingThumbnail, description, lang, focusX, focusY, dirty, is_changing_upload } = this.props;
+    const { dragging, detecting, progress, ocrStatus } = this.state;
+    const x = (focusX /  2) + .5;
+    const y = (focusY / -2) + .5;
+
+    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;
+    const previewHeight = previewWidth / previewRatio;
+
+    let descriptionLabel = null;
+
+    if (media.get('type') === 'audio') {
+      descriptionLabel = <FormattedMessage id='upload_form.audio_description' defaultMessage='Describe for people who are hard of hearing' />;
+    } else if (media.get('type') === 'video') {
+      descriptionLabel = <FormattedMessage id='upload_form.video_description' defaultMessage='Describe for people who are deaf, hard of hearing, blind or have low vision' />;
+    } else {
+      descriptionLabel = <FormattedMessage id='upload_form.description' defaultMessage='Describe for people who are blind or have low vision' />;
+    }
+
+    let ocrMessage = '';
+    if (ocrStatus === 'detecting') {
+      ocrMessage = <FormattedMessage id='upload_modal.analyzing_picture' defaultMessage='Analyzing picture…' />;
+    } else {
+      ocrMessage = <FormattedMessage id='upload_modal.preparing_ocr' defaultMessage='Preparing OCR…' />;
+    }
+
+    return (
+      <div className='modal-root__modal report-modal' style={{ maxWidth: 960 }}>
+        <div className='report-modal__target'>
+          <IconButton className='report-modal__close' title={intl.formatMessage(messages.close)} icon='times' onClick={onClose} size={20} />
+          <FormattedMessage id='upload_modal.edit_media' defaultMessage='Edit media' />
+        </div>
+
+        <div className='report-modal__container'>
+          <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 || !media.get('unattached')} 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 || is_changing_upload}
+                  />
+                </label>
+
+                <hr className='setting-divider' />
+              </React.Fragment>
+            )}
+
+            <label className='setting-text-label' htmlFor='upload-modal__description'>
+              {descriptionLabel}
+            </label>
+
+            <div className='setting-text__wrapper'>
+              <Textarea
+                id='upload-modal__description'
+                className='setting-text light'
+                value={detecting ? '…' : description}
+                lang={lang}
+                onChange={this.handleChange}
+                onKeyDown={this.handleKeyDown}
+                disabled={detecting || is_changing_upload}
+                autoFocus
+              />
+
+              <div className='setting-text__modifiers'>
+                <UploadProgress progress={progress * 100} active={detecting} icon='file-text-o' message={ocrMessage} />
+              </div>
+            </div>
+
+            <div className='setting-text__toolbar'>
+              <button disabled={detecting || media.get('type') !== 'image' || is_changing_upload} className='link-button' onClick={this.handleTextDetection}><FormattedMessage id='upload_modal.detect_text' defaultMessage='Detect text from picture' /></button>
+              <CharacterCounter max={1500} text={detecting ? '' : description} />
+            </div>
+
+            <Button disabled={!dirty || detecting || isUploadingThumbnail || length(description) > 1500 || is_changing_upload} text={intl.formatMessage(is_changing_upload ? messages.applying : messages.apply)} onClick={this.handleSubmit} />
+          </div>
+
+          <div className='focal-point-modal__content'>
+            {focals && (
+              <div className={classNames('focal-point', { dragging })} ref={this.setRef} onMouseDown={this.handleMouseDown} onTouchStart={this.handleTouchStart}>
+                {media.get('type') === 'image' && <ImageLoader src={media.get('url')} width={width} height={height} alt='' />}
+                {media.get('type') === 'gifv' && <GIFV src={media.get('url')} width={width} height={height} />}
+
+                <div className='focal-point__preview'>
+                  <strong><FormattedMessage id='upload_modal.preview_label' defaultMessage='Preview ({ratio})' values={{ ratio: '16:9' }} /></strong>
+                  <div style={{ width: previewWidth, height: previewHeight, backgroundImage: `url(${media.get('preview_url')})`, backgroundSize: 'cover', backgroundPosition: `${x * 100}% ${y * 100}%` }} />
+                </div>
+
+                <div className='focal-point__reticle' style={{ top: `${y * 100}%`, left: `${x * 100}%` }} />
+                <div className='focal-point__overlay' />
+              </div>
+            )}
+
+            {media.get('type') === 'video' && (
+              <Video
+                preview={media.get('preview_url')}
+                frameRate={media.getIn(['meta', 'original', 'frame_rate'])}
+                blurhash={media.get('blurhash')}
+                src={media.get('url')}
+                detailed
+                inline
+                editable
+              />
+            )}
+
+            {media.get('type') === 'audio' && (
+              <Audio
+                src={media.get('url')}
+                duration={media.getIn(['meta', 'original', 'duration'], 0)}
+                height={150}
+                poster={media.get('preview_url') || account.get('avatar_static')}
+                backgroundColor={media.getIn(['meta', 'colors', 'background'])}
+                foregroundColor={media.getIn(['meta', 'colors', 'foreground'])}
+                accentColor={media.getIn(['meta', 'colors', 'accent'])}
+                editable
+              />
+            )}
+          </div>
+        </div>
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/ui/components/follow_requests_column_link.js b/app/javascript/flavours/glitch/features/ui/components/follow_requests_column_link.js
new file mode 100644
index 000000000..301392a52
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/follow_requests_column_link.js
@@ -0,0 +1,51 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { fetchFollowRequests } from 'flavours/glitch/actions/accounts';
+import { connect } from 'react-redux';
+import ColumnLink from 'flavours/glitch/features/ui/components/column_link';
+import IconWithBadge from 'flavours/glitch/components/icon_with_badge';
+import { List as ImmutableList } from 'immutable';
+import { injectIntl, defineMessages } from 'react-intl';
+
+const messages = defineMessages({
+  text: { id: 'navigation_bar.follow_requests', defaultMessage: 'Follow requests' },
+});
+
+const mapStateToProps = state => ({
+  count: state.getIn(['user_lists', 'follow_requests', 'items'], ImmutableList()).size,
+});
+
+export default @injectIntl
+@connect(mapStateToProps)
+class FollowRequestsColumnLink extends React.Component {
+
+  static propTypes = {
+    dispatch: PropTypes.func.isRequired,
+    count: PropTypes.number.isRequired,
+    intl: PropTypes.object.isRequired,
+  };
+
+  componentDidMount () {
+    const { dispatch } = this.props;
+
+    dispatch(fetchFollowRequests());
+  }
+
+  render () {
+    const { count, intl } = this.props;
+
+    if (count === 0) {
+      return null;
+    }
+
+    return (
+      <ColumnLink
+        transparent
+        to='/follow_requests'
+        icon={<IconWithBadge className='column-link__icon' id='user-plus' count={count} />}
+        text={intl.formatMessage(messages.text)}
+      />
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/ui/components/header.js b/app/javascript/flavours/glitch/features/ui/components/header.js
new file mode 100644
index 000000000..d9ad94961
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/header.js
@@ -0,0 +1,88 @@
+import React from 'react';
+import Logo from 'flavours/glitch/components/logo';
+import { Link, withRouter } from 'react-router-dom';
+import { FormattedMessage } from 'react-intl';
+import { registrationsOpen, me } from 'flavours/glitch/initial_state';
+import Avatar from 'flavours/glitch/components/avatar';
+import Permalink from 'flavours/glitch/components/permalink';
+import PropTypes from 'prop-types';
+import { connect } from 'react-redux';
+import { openModal } from 'flavours/glitch/actions/modal';
+
+const Account = connect(state => ({
+  account: state.getIn(['accounts', me]),
+}))(({ account }) => (
+  <Permalink href={account.get('url')} to={`/@${account.get('acct')}`} title={account.get('acct')}>
+    <Avatar account={account} size={35} />
+  </Permalink>
+));
+
+const mapDispatchToProps = (dispatch) => ({
+  openClosedRegistrationsModal() {
+    dispatch(openModal('CLOSED_REGISTRATIONS'));
+  },
+});
+
+export default @connect(null, mapDispatchToProps)
+@withRouter
+class Header extends React.PureComponent {
+
+  static contextTypes = {
+    identity: PropTypes.object,
+  };
+
+  static propTypes = {
+    openClosedRegistrationsModal: PropTypes.func,
+    location: PropTypes.object,
+  };
+
+  render () {
+    const { signedIn } = this.context.identity;
+    const { location, openClosedRegistrationsModal } = this.props;
+
+    let content;
+
+    if (signedIn) {
+      content = (
+        <>
+          {location.pathname !== '/publish' && <Link to='/publish' className='button'><FormattedMessage id='compose_form.publish_form' defaultMessage='Publish' /></Link>}
+          <Account />
+        </>
+      );
+    } else {
+      let signupButton;
+
+      if (registrationsOpen) {
+        signupButton = (
+          <a href='/auth/sign_up' className='button button-tertiary'>
+            <FormattedMessage id='sign_in_banner.create_account' defaultMessage='Create account' />
+          </a>
+        );
+      } else {
+        signupButton = (
+          <button className='button button-tertiary' onClick={openClosedRegistrationsModal}>
+            <FormattedMessage id='sign_in_banner.create_account' defaultMessage='Create account' />
+          </button>
+        );
+      }
+
+      content = (
+        <>
+          <a href='/auth/sign_in' className='button'><FormattedMessage id='sign_in_banner.sign_in' defaultMessage='Sign in' /></a>
+          {signupButton}
+        </>
+      );
+    }
+
+    return (
+      <div className='ui__header'>
+        <Link to='/' className='ui__header__logo'><Logo /></Link>
+
+        <div className='ui__header__links'>
+          {content}
+        </div>
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/ui/components/image_loader.js b/app/javascript/flavours/glitch/features/ui/components/image_loader.js
new file mode 100644
index 000000000..92aeef5c4
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/image_loader.js
@@ -0,0 +1,168 @@
+import classNames from 'classnames';
+import PropTypes from 'prop-types';
+import React, { PureComponent } from 'react';
+import { LoadingBar } from 'react-redux-loading-bar';
+import ZoomableImage from './zoomable_image';
+
+export default class ImageLoader extends PureComponent {
+
+  static propTypes = {
+    alt: PropTypes.string,
+    src: PropTypes.string.isRequired,
+    previewSrc: PropTypes.string,
+    width: PropTypes.number,
+    height: PropTypes.number,
+    onClick: PropTypes.func,
+    zoomButtonHidden: PropTypes.bool,
+  };
+
+  static defaultProps = {
+    alt: '',
+    width: null,
+    height: null,
+  };
+
+  state = {
+    loading: true,
+    error: false,
+    width: null,
+  };
+
+  removers = [];
+  canvas = null;
+
+  get canvasContext() {
+    if (!this.canvas) {
+      return null;
+    }
+    this._canvasContext = this._canvasContext || this.canvas.getContext('2d');
+    return this._canvasContext;
+  }
+
+  componentDidMount () {
+    this.loadImage(this.props);
+  }
+
+  UNSAFE_componentWillReceiveProps (nextProps) {
+    if (this.props.src !== nextProps.src) {
+      this.loadImage(nextProps);
+    }
+  }
+
+  componentWillUnmount () {
+    this.removeEventListeners();
+  }
+
+  loadImage (props) {
+    this.removeEventListeners();
+    this.setState({ loading: true, error: false });
+    Promise.all([
+      props.previewSrc && this.loadPreviewCanvas(props),
+      this.hasSize() && this.loadOriginalImage(props),
+    ].filter(Boolean))
+      .then(() => {
+        this.setState({ loading: false, error: false });
+        this.clearPreviewCanvas();
+      })
+      .catch(() => this.setState({ loading: false, error: true }));
+  }
+
+  loadPreviewCanvas = ({ previewSrc, width, height }) => new Promise((resolve, reject) => {
+    const image = new Image();
+    const removeEventListeners = () => {
+      image.removeEventListener('error', handleError);
+      image.removeEventListener('load', handleLoad);
+    };
+    const handleError = () => {
+      removeEventListeners();
+      reject();
+    };
+    const handleLoad = () => {
+      removeEventListeners();
+      this.canvasContext.drawImage(image, 0, 0, width, height);
+      resolve();
+    };
+    image.addEventListener('error', handleError);
+    image.addEventListener('load', handleLoad);
+    image.src = previewSrc;
+    this.removers.push(removeEventListeners);
+  });
+
+  clearPreviewCanvas () {
+    const { width, height } = this.canvas;
+    this.canvasContext.clearRect(0, 0, width, height);
+  }
+
+  loadOriginalImage = ({ src }) => new Promise((resolve, reject) => {
+    const image = new Image();
+    const removeEventListeners = () => {
+      image.removeEventListener('error', handleError);
+      image.removeEventListener('load', handleLoad);
+    };
+    const handleError = () => {
+      removeEventListeners();
+      reject();
+    };
+    const handleLoad = () => {
+      removeEventListeners();
+      resolve();
+    };
+    image.addEventListener('error', handleError);
+    image.addEventListener('load', handleLoad);
+    image.src = src;
+    this.removers.push(removeEventListeners);
+  });
+
+  removeEventListeners () {
+    this.removers.forEach(listeners => listeners());
+    this.removers = [];
+  }
+
+  hasSize () {
+    const { width, height } = this.props;
+    return typeof width === 'number' && typeof height === 'number';
+  }
+
+  setCanvasRef = c => {
+    this.canvas = c;
+    if (c) this.setState({ width: c.offsetWidth });
+  };
+
+  render () {
+    const { alt, src, width, height, onClick } = this.props;
+    const { loading } = this.state;
+
+    const className = classNames('image-loader', {
+      'image-loader--loading': loading,
+      'image-loader--amorphous': !this.hasSize(),
+    });
+
+    return (
+      <div className={className}>
+        {loading ? (
+          <>
+            <div className='loading-bar__container' style={{ width: this.state.width || width }}>
+              <LoadingBar className='loading-bar' loading={1} />
+            </div>
+            <canvas
+              className='image-loader__preview-canvas'
+              ref={this.setCanvasRef}
+              width={width}
+              height={height}
+            />
+          </>
+        ) : (
+          <ZoomableImage
+            alt={alt}
+            src={src}
+            onClick={onClick}
+            width={width}
+            height={height}
+            zoomButtonHidden={this.props.zoomButtonHidden}
+          />
+        )}
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/ui/components/image_modal.js b/app/javascript/flavours/glitch/features/ui/components/image_modal.js
new file mode 100644
index 000000000..a792b9be7
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/image_modal.js
@@ -0,0 +1,59 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import classNames from 'classnames';
+import { defineMessages, injectIntl } from 'react-intl';
+import IconButton from 'flavours/glitch/components/icon_button';
+import ImageLoader from './image_loader';
+
+const messages = defineMessages({
+  close: { id: 'lightbox.close', defaultMessage: 'Close' },
+});
+
+export default @injectIntl
+class ImageModal extends React.PureComponent {
+
+  static propTypes = {
+    src: PropTypes.string.isRequired,
+    alt: PropTypes.string.isRequired,
+    onClose: PropTypes.func.isRequired,
+    intl: PropTypes.object.isRequired,
+  };
+
+  state = {
+    navigationHidden: false,
+  };
+
+  toggleNavigation = () => {
+    this.setState(prevState => ({
+      navigationHidden: !prevState.navigationHidden,
+    }));
+  };
+
+  render () {
+    const { intl, src, alt, onClose } = this.props;
+    const { navigationHidden } = this.state;
+
+    const navigationClassName = classNames('media-modal__navigation', {
+      'media-modal__navigation--hidden': navigationHidden,
+    });
+
+    return (
+      <div className='modal-root__modal media-modal'>
+        <div className='media-modal__closer' role='presentation' onClick={onClose} >
+          <ImageLoader
+            src={src}
+            width={400}
+            height={400}
+            alt={alt}
+            onClick={this.toggleNavigation}
+          />
+        </div>
+
+        <div className={navigationClassName}>
+          <IconButton className='media-modal__close' title={intl.formatMessage(messages.close)} icon='times' onClick={onClose} size={40} />
+        </div>
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/ui/components/link_footer.js b/app/javascript/flavours/glitch/features/ui/components/link_footer.js
new file mode 100644
index 000000000..0d1d4040f
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/link_footer.js
@@ -0,0 +1,102 @@
+import { connect } from 'react-redux';
+import React from 'react';
+import PropTypes from 'prop-types';
+import { FormattedMessage, defineMessages, injectIntl } from 'react-intl';
+import { Link } from 'react-router-dom';
+import { domain, version, source_url, statusPageUrl, profile_directory as profileDirectory } from 'flavours/glitch/initial_state';
+import { logOut } from 'flavours/glitch/utils/log_out';
+import { openModal } from 'flavours/glitch/actions/modal';
+import { PERMISSION_INVITE_USERS } from 'flavours/glitch/permissions';
+
+const messages = defineMessages({
+  logoutMessage: { id: 'confirmations.logout.message', defaultMessage: 'Are you sure you want to log out?' },
+  logoutConfirm: { id: 'confirmations.logout.confirm', defaultMessage: 'Log out' },
+});
+
+const mapDispatchToProps = (dispatch, { intl }) => ({
+  onLogout () {
+    dispatch(openModal('CONFIRM', {
+      message: intl.formatMessage(messages.logoutMessage),
+      confirm: intl.formatMessage(messages.logoutConfirm),
+      closeWhenConfirm: false,
+      onConfirm: () => logOut(),
+    }));
+  },
+});
+
+export default @injectIntl
+@connect(null, mapDispatchToProps)
+class LinkFooter extends React.PureComponent {
+
+  static contextTypes = {
+    identity: PropTypes.object,
+  };
+
+  static propTypes = {
+    onLogout: PropTypes.func.isRequired,
+    intl: PropTypes.object.isRequired,
+  };
+
+  handleLogoutClick = e => {
+    e.preventDefault();
+    e.stopPropagation();
+
+    this.props.onLogout();
+
+    return false;
+  };
+
+  render () {
+    const { signedIn, permissions } = this.context.identity;
+
+    const canInvite = signedIn && ((permissions & PERMISSION_INVITE_USERS) === PERMISSION_INVITE_USERS);
+    const canProfileDirectory = profileDirectory;
+
+    const DividingCircle = <span aria-hidden>{' · '}</span>;
+
+    return (
+      <div className='link-footer'>
+        <p>
+          <strong>{domain}</strong>:
+          {' '}
+          <Link to='/about'><FormattedMessage id='footer.about' defaultMessage='About' /></Link>
+          {statusPageUrl && (
+            <>
+              {DividingCircle}
+              <a href={statusPageUrl} target='_blank' rel='noopener'><FormattedMessage id='footer.status' defaultMessage='Status' /></a>
+            </>
+          )}
+          {canInvite && (
+            <>
+              {DividingCircle}
+              <a href='/invites' target='_blank'><FormattedMessage id='footer.invite' defaultMessage='Invite people' /></a>
+            </>
+          )}
+          {canProfileDirectory && (
+            <>
+              {DividingCircle}
+              <Link to='/directory'><FormattedMessage id='footer.directory' defaultMessage='Profiles directory' /></Link>
+            </>
+          )}
+          {DividingCircle}
+          <Link to='/privacy-policy'><FormattedMessage id='footer.privacy_policy' defaultMessage='Privacy policy' /></Link>
+        </p>
+
+        <p>
+          <strong>Mastodon</strong>:
+          {' '}
+          <a href='https://joinmastodon.org' target='_blank'><FormattedMessage id='footer.about' defaultMessage='About' /></a>
+          {DividingCircle}
+          <a href='https://joinmastodon.org/apps' target='_blank'><FormattedMessage id='footer.get_app' defaultMessage='Get the app' /></a>
+          {DividingCircle}
+          <Link to='/keyboard-shortcuts'><FormattedMessage id='footer.keyboard_shortcuts' defaultMessage='Keyboard shortcuts' /></Link>
+          {DividingCircle}
+          <a href={source_url} rel='noopener noreferrer' target='_blank'><FormattedMessage id='footer.source_code' defaultMessage='View source code' /></a>
+          {DividingCircle}
+          v{version}
+        </p>
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/ui/components/list_panel.js b/app/javascript/flavours/glitch/features/ui/components/list_panel.js
new file mode 100644
index 000000000..dff830065
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/list_panel.js
@@ -0,0 +1,55 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { createSelector } from 'reselect';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import ImmutablePureComponent from 'react-immutable-pure-component';
+import { connect } from 'react-redux';
+import { withRouter } from 'react-router-dom';
+import { fetchLists } from 'flavours/glitch/actions/lists';
+import ColumnLink from './column_link';
+
+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'))).take(4);
+});
+
+const mapStateToProps = state => ({
+  lists: getOrderedLists(state),
+});
+
+export default @withRouter
+@connect(mapStateToProps)
+class ListPanel extends ImmutablePureComponent {
+
+  static propTypes = {
+    dispatch: PropTypes.func.isRequired,
+    lists: ImmutablePropTypes.list,
+  };
+
+  componentDidMount () {
+    const { dispatch } = this.props;
+    dispatch(fetchLists());
+  }
+
+  render () {
+    const { lists } = this.props;
+
+    if (!lists || lists.isEmpty()) {
+      return null;
+    }
+
+    return (
+      <div className='list-panel'>
+        <hr />
+
+        {lists.map(list => (
+          <ColumnLink icon='list-ul' key={list.get('id')} strict text={list.get('title')} to={`/lists/${list.get('id')}`} transparent />
+        ))}
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/ui/components/media_modal.js b/app/javascript/flavours/glitch/features/ui/components/media_modal.js
new file mode 100644
index 000000000..24559264e
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/media_modal.js
@@ -0,0 +1,252 @@
+import React from 'react';
+import ReactSwipeableViews from 'react-swipeable-views';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import PropTypes from 'prop-types';
+import Video from 'flavours/glitch/features/video';
+import classNames from 'classnames';
+import { defineMessages, injectIntl } from 'react-intl';
+import IconButton from 'flavours/glitch/components/icon_button';
+import ImmutablePureComponent from 'react-immutable-pure-component';
+import ImageLoader from './image_loader';
+import Icon from 'flavours/glitch/components/icon';
+import GIFV from 'flavours/glitch/components/gifv';
+import Footer from 'flavours/glitch/features/picture_in_picture/components/footer';
+import { getAverageFromBlurhash } from 'flavours/glitch/blurhash';
+import { disableSwiping } from 'flavours/glitch/initial_state';
+
+const messages = defineMessages({
+  close: { id: 'lightbox.close', defaultMessage: 'Close' },
+  previous: { id: 'lightbox.previous', defaultMessage: 'Previous' },
+  next: { id: 'lightbox.next', defaultMessage: 'Next' },
+});
+
+export default @injectIntl
+class MediaModal extends ImmutablePureComponent {
+
+  static contextTypes = {
+    router: PropTypes.object,
+  };
+
+  static propTypes = {
+    media: ImmutablePropTypes.list.isRequired,
+    statusId: PropTypes.string,
+    index: PropTypes.number.isRequired,
+    onClose: PropTypes.func.isRequired,
+    intl: PropTypes.object.isRequired,
+    onChangeBackgroundColor: PropTypes.func.isRequired,
+    currentTime: PropTypes.number,
+    autoPlay: PropTypes.bool,
+    volume: PropTypes.number,
+  };
+
+  state = {
+    index: null,
+    navigationHidden: false,
+    zoomButtonHidden: false,
+  };
+
+  handleSwipe = (index) => {
+    this.setState({ index: index % this.props.media.size });
+  };
+
+  handleTransitionEnd = () => {
+    this.setState({
+      zoomButtonHidden: false,
+    });
+  };
+
+  handleNextClick = () => {
+    this.setState({
+      index: (this.getIndex() + 1) % this.props.media.size,
+      zoomButtonHidden: true,
+    });
+  };
+
+  handlePrevClick = () => {
+    this.setState({
+      index: (this.props.media.size + this.getIndex() - 1) % this.props.media.size,
+      zoomButtonHidden: true,
+    });
+  };
+
+  handleChangeIndex = (e) => {
+    const index = Number(e.currentTarget.getAttribute('data-index'));
+
+    this.setState({
+      index: index % this.props.media.size,
+      zoomButtonHidden: true,
+    });
+  };
+
+  handleKeyDown = (e) => {
+    switch(e.key) {
+    case 'ArrowLeft':
+      this.handlePrevClick();
+      e.preventDefault();
+      e.stopPropagation();
+      break;
+    case 'ArrowRight':
+      this.handleNextClick();
+      e.preventDefault();
+      e.stopPropagation();
+      break;
+    }
+  };
+
+  componentDidMount () {
+    window.addEventListener('keydown', this.handleKeyDown, false);
+    this._sendBackgroundColor();
+  }
+
+  componentWillUnmount () {
+    window.removeEventListener('keydown', this.handleKeyDown);
+    this.props.onChangeBackgroundColor(null);
+  }
+
+  getIndex () {
+    return this.state.index !== null ? this.state.index : this.props.index;
+  }
+
+  toggleNavigation = () => {
+    this.setState(prevState => ({
+      navigationHidden: !prevState.navigationHidden,
+    }));
+  };
+
+  componentDidUpdate (prevProps, prevState) {
+    if (prevState.index !== this.state.index) {
+      this._sendBackgroundColor();
+    }
+  }
+
+  _sendBackgroundColor () {
+    const { media, onChangeBackgroundColor } = this.props;
+    const index = this.getIndex();
+    const blurhash = media.getIn([index, 'blurhash']);
+
+    if (blurhash) {
+      const backgroundColor = getAverageFromBlurhash(blurhash);
+      onChangeBackgroundColor(backgroundColor);
+    }
+  }
+
+  render () {
+    const { media, statusId, intl, onClose } = this.props;
+    const { navigationHidden } = this.state;
+
+    const index = this.getIndex();
+
+    const leftNav  = media.size > 1 && <button tabIndex='0' className='media-modal__nav media-modal__nav--left' onClick={this.handlePrevClick} aria-label={intl.formatMessage(messages.previous)}><Icon id='chevron-left' fixedWidth /></button>;
+    const rightNav = media.size > 1 && <button tabIndex='0' className='media-modal__nav  media-modal__nav--right' onClick={this.handleNextClick} aria-label={intl.formatMessage(messages.next)}><Icon id='chevron-right' fixedWidth /></button>;
+
+    const content = media.map((image) => {
+      const width  = image.getIn(['meta', 'original', 'width']) || null;
+      const height = image.getIn(['meta', 'original', 'height']) || null;
+
+      if (image.get('type') === 'image') {
+        return (
+          <ImageLoader
+            previewSrc={image.get('preview_url')}
+            src={image.get('url')}
+            width={width}
+            height={height}
+            alt={image.get('description')}
+            key={image.get('url')}
+            onClick={this.toggleNavigation}
+            zoomButtonHidden={this.state.zoomButtonHidden}
+          />
+        );
+      } else if (image.get('type') === 'video') {
+        const { currentTime, autoPlay, volume } = this.props;
+
+        return (
+          <Video
+            preview={image.get('preview_url')}
+            blurhash={image.get('blurhash')}
+            src={image.get('url')}
+            width={image.get('width')}
+            height={image.get('height')}
+            frameRate={image.getIn(['meta', 'original', 'frame_rate'])}
+            currentTime={currentTime || 0}
+            autoPlay={autoPlay || false}
+            volume={volume || 1}
+            onCloseVideo={onClose}
+            detailed
+            alt={image.get('description')}
+            key={image.get('url')}
+          />
+        );
+      } else if (image.get('type') === 'gifv') {
+        return (
+          <GIFV
+            src={image.get('url')}
+            width={width}
+            height={height}
+            key={image.get('preview_url')}
+            alt={image.get('description')}
+            onClick={this.toggleNavigation}
+          />
+        );
+      }
+
+      return null;
+    }).toArray();
+
+    // you can't use 100vh, because the viewport height is taller
+    // than the visible part of the document in some mobile
+    // browsers when it's address bar is visible.
+    // https://developers.google.com/web/updates/2016/12/url-bar-resizing
+    const swipeableViewsStyle = {
+      width: '100%',
+      height: '100%',
+    };
+
+    const containerStyle = {
+      alignItems: 'center', // center vertically
+    };
+
+    const navigationClassName = classNames('media-modal__navigation', {
+      'media-modal__navigation--hidden': navigationHidden,
+    });
+
+    let pagination;
+
+    if (media.size > 1) {
+      pagination = media.map((item, i) => (
+        <button key={i} className={classNames('media-modal__page-dot', { active: i === index })} data-index={i} onClick={this.handleChangeIndex}>
+          {i + 1}
+        </button>
+      ));
+    }
+
+    return (
+      <div className='modal-root__modal media-modal'>
+        <div className='media-modal__closer' role='presentation' onClick={onClose} >
+          <ReactSwipeableViews
+            style={swipeableViewsStyle}
+            containerStyle={containerStyle}
+            onChangeIndex={this.handleSwipe}
+            onTransitionEnd={this.handleTransitionEnd}
+            index={index}
+            disabled={disableSwiping}
+          >
+            {content}
+          </ReactSwipeableViews>
+        </div>
+
+        <div className={navigationClassName}>
+          <IconButton className='media-modal__close' title={intl.formatMessage(messages.close)} icon='times' onClick={onClose} size={40} />
+
+          {leftNav}
+          {rightNav}
+
+          <div className='media-modal__overlay'>
+            {pagination && <ul className='media-modal__pagination'>{pagination}</ul>}
+            {statusId && <Footer statusId={statusId} withOpenButton onClose={onClose} />}
+          </div>
+        </div>
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/ui/components/modal_loading.js b/app/javascript/flavours/glitch/features/ui/components/modal_loading.js
new file mode 100644
index 000000000..b1c322154
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/modal_loading.js
@@ -0,0 +1,20 @@
+import React from 'react';
+
+import LoadingIndicator from 'flavours/glitch/components/loading_indicator';
+
+// Keep the markup in sync with <BundleModalError />
+// (make sure they have the same dimensions)
+const ModalLoading = () => (
+  <div className='modal-root__modal error-modal'>
+    <div className='error-modal__body'>
+      <LoadingIndicator />
+    </div>
+    <div className='error-modal__footer'>
+      <div>
+        <button className='error-modal__nav onboarding-modal__skip' />
+      </div>
+    </div>
+  </div>
+);
+
+export default ModalLoading;
diff --git a/app/javascript/flavours/glitch/features/ui/components/modal_root.js b/app/javascript/flavours/glitch/features/ui/components/modal_root.js
new file mode 100644
index 000000000..d04a2d53a
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/modal_root.js
@@ -0,0 +1,144 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { getScrollbarWidth } from 'flavours/glitch/utils/scrollbar';
+import Base from 'flavours/glitch/components/modal_root';
+import BundleContainer from '../containers/bundle_container';
+import BundleModalError from './bundle_modal_error';
+import ModalLoading from './modal_loading';
+import ActionsModal from './actions_modal';
+import MediaModal from './media_modal';
+import VideoModal from './video_modal';
+import BoostModal from './boost_modal';
+import FavouriteModal from './favourite_modal';
+import AudioModal from './audio_modal';
+import DoodleModal from './doodle_modal';
+import ConfirmationModal from './confirmation_modal';
+import FocalPointModal from './focal_point_modal';
+import DeprecatedSettingsModal from './deprecated_settings_modal';
+import ImageModal from './image_modal';
+import {
+  OnboardingModal,
+  MuteModal,
+  BlockModal,
+  ReportModal,
+  SettingsModal,
+  EmbedModal,
+  ListEditor,
+  ListAdder,
+  PinnedAccountsEditor,
+  CompareHistoryModal,
+  FilterModal,
+  InteractionModal,
+  SubscribedLanguagesModal,
+  ClosedRegistrationsModal,
+} from 'flavours/glitch/features/ui/util/async-components';
+import { Helmet } from 'react-helmet';
+
+const MODAL_COMPONENTS = {
+  'MEDIA': () => Promise.resolve({ default: MediaModal }),
+  'ONBOARDING': OnboardingModal,
+  'VIDEO': () => Promise.resolve({ default: VideoModal }),
+  'AUDIO': () => Promise.resolve({ default: AudioModal }),
+  'IMAGE': () => Promise.resolve({ default: ImageModal }),
+  'BOOST': () => Promise.resolve({ default: BoostModal }),
+  'FAVOURITE': () => Promise.resolve({ default: FavouriteModal }),
+  'DOODLE': () => Promise.resolve({ default: DoodleModal }),
+  'CONFIRM': () => Promise.resolve({ default: ConfirmationModal }),
+  'MUTE': MuteModal,
+  'BLOCK': BlockModal,
+  'REPORT': ReportModal,
+  'SETTINGS': SettingsModal,
+  'DEPRECATED_SETTINGS': () => Promise.resolve({ default: DeprecatedSettingsModal }),
+  'ACTIONS': () => Promise.resolve({ default: ActionsModal }),
+  'EMBED': EmbedModal,
+  'LIST_EDITOR': ListEditor,
+  'FOCAL_POINT': () => Promise.resolve({ default: FocalPointModal }),
+  'LIST_ADDER': ListAdder,
+  'PINNED_ACCOUNTS_EDITOR': PinnedAccountsEditor,
+  'COMPARE_HISTORY': CompareHistoryModal,
+  'FILTER': FilterModal,
+  'SUBSCRIBED_LANGUAGES': SubscribedLanguagesModal,
+  'INTERACTION': InteractionModal,
+  'CLOSED_REGISTRATIONS': ClosedRegistrationsModal,
+};
+
+export default class ModalRoot extends React.PureComponent {
+
+  static propTypes = {
+    type: PropTypes.string,
+    props: PropTypes.object,
+    onClose: PropTypes.func.isRequired,
+    ignoreFocus: PropTypes.bool,
+  };
+
+  state = {
+    backgroundColor: null,
+  };
+
+  componentDidUpdate () {
+    if (this.props.type) {
+      document.body.classList.add('with-modals--active');
+      document.documentElement.style.marginRight = `${getScrollbarWidth()}px`;
+    } else {
+      document.body.classList.remove('with-modals--active');
+      document.documentElement.style.marginRight = 0;
+    }
+  }
+
+  setBackgroundColor = color => {
+    this.setState({ backgroundColor: color });
+  };
+
+  renderLoading = modalId => () => {
+    return ['MEDIA', 'VIDEO', 'BOOST', 'FAVOURITE', 'DOODLE', 'CONFIRM', 'ACTIONS'].indexOf(modalId) === -1 ? <ModalLoading /> : null;
+  };
+
+  renderError = (props) => {
+    const { onClose } = this.props;
+
+    return <BundleModalError {...props} onClose={onClose} />;
+  };
+
+  handleClose = (ignoreFocus = false) => {
+    const { onClose } = this.props;
+    let message = null;
+    try {
+      message = this._modal?.getWrappedInstance?.().getCloseConfirmationMessage?.();
+    } catch (_) {
+      // injectIntl defines `getWrappedInstance` but errors out if `withRef`
+      // isn't set.
+      // This would be much smoother with react-intl 3+ and `forwardRef`.
+    }
+    onClose(message, ignoreFocus);
+  };
+
+  setModalRef = (c) => {
+    this._modal = c;
+  };
+
+  // prevent closing of modal when clicking the overlay
+  noop = () => {};
+
+  render () {
+    const { type, props, ignoreFocus } = this.props;
+    const { backgroundColor } = this.state;
+    const visible = !!type;
+
+    return (
+      <Base backgroundColor={backgroundColor} onClose={props && props.noClose ? this.noop : this.handleClose} noEsc={props ? props.noEsc : false} ignoreFocus={ignoreFocus}>
+        {visible && (
+          <>
+            <BundleContainer fetchComponent={MODAL_COMPONENTS[type]} loading={this.renderLoading(type)} error={this.renderError} renderDelay={200}>
+              {(SpecificComponent) => <SpecificComponent {...props} onChangeBackgroundColor={this.setBackgroundColor} onClose={this.handleClose} ref={this.setModalRef} />}
+            </BundleContainer>
+
+            <Helmet>
+              <meta name='robots' content='noindex' />
+            </Helmet>
+          </>
+        )}
+      </Base>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/ui/components/mute_modal.js b/app/javascript/flavours/glitch/features/ui/components/mute_modal.js
new file mode 100644
index 000000000..f8bb9a364
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/mute_modal.js
@@ -0,0 +1,140 @@
+import React from 'react';
+import { connect } from 'react-redux';
+import PropTypes from 'prop-types';
+import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
+import Toggle from 'react-toggle';
+import Button from 'flavours/glitch/components/button';
+import { closeModal } from 'flavours/glitch/actions/modal';
+import { muteAccount } from 'flavours/glitch/actions/accounts';
+import { toggleHideNotifications, changeMuteDuration } from 'flavours/glitch/actions/mutes';
+
+const messages = defineMessages({
+  minutes: { id: 'intervals.full.minutes', defaultMessage: '{number, plural, one {# minute} other {# minutes}}' },
+  hours: { id: 'intervals.full.hours', defaultMessage: '{number, plural, one {# hour} other {# hours}}' },
+  days: { id: 'intervals.full.days', defaultMessage: '{number, plural, one {# day} other {# days}}' },
+  indefinite: { id: 'mute_modal.indefinite', defaultMessage: 'Indefinite' },
+});
+
+const mapStateToProps = state => {
+  return {
+    account: state.getIn(['mutes', 'new', 'account']),
+    notifications: state.getIn(['mutes', 'new', 'notifications']),
+    muteDuration: state.getIn(['mutes', 'new', 'duration']),
+  };
+};
+
+const mapDispatchToProps = dispatch => {
+  return {
+    onConfirm(account, notifications, muteDuration) {
+      dispatch(muteAccount(account.get('id'), notifications, muteDuration));
+    },
+
+    onClose() {
+      dispatch(closeModal());
+    },
+
+    onToggleNotifications() {
+      dispatch(toggleHideNotifications());
+    },
+
+    onChangeMuteDuration(e) {
+      dispatch(changeMuteDuration(e.target.value));
+    },
+  };
+};
+
+export default @connect(mapStateToProps, mapDispatchToProps)
+@injectIntl
+class MuteModal extends React.PureComponent {
+
+  static propTypes = {
+    account: PropTypes.object.isRequired,
+    notifications: PropTypes.bool.isRequired,
+    onClose: PropTypes.func.isRequired,
+    onConfirm: PropTypes.func.isRequired,
+    onToggleNotifications: PropTypes.func.isRequired,
+    intl: PropTypes.object.isRequired,
+    muteDuration: PropTypes.number.isRequired,
+    onChangeMuteDuration: PropTypes.func.isRequired,
+  };
+
+  componentDidMount() {
+    this.button.focus();
+  }
+
+  handleClick = () => {
+    this.props.onClose();
+    this.props.onConfirm(this.props.account, this.props.notifications, this.props.muteDuration);
+  };
+
+  handleCancel = () => {
+    this.props.onClose();
+  };
+
+  setRef = (c) => {
+    this.button = c;
+  };
+
+  toggleNotifications = () => {
+    this.props.onToggleNotifications();
+  };
+
+  changeMuteDuration = (e) => {
+    this.props.onChangeMuteDuration(e);
+  };
+
+  render () {
+    const { account, notifications, muteDuration, intl } = this.props;
+
+    return (
+      <div className='modal-root__modal mute-modal'>
+        <div className='mute-modal__container'>
+          <p>
+            <FormattedMessage
+              id='confirmations.mute.message'
+              defaultMessage='Are you sure you want to mute {name}?'
+              values={{ name: <strong>@{account.get('acct')}</strong> }}
+            />
+          </p>
+          <p className='mute-modal__explanation'>
+            <FormattedMessage
+              id='confirmations.mute.explanation'
+              defaultMessage='This will hide posts from them and posts mentioning them, but it will still allow them to see your posts and follow you.'
+            />
+          </p>
+          <div className='setting-toggle'>
+            <Toggle id='mute-modal__hide-notifications-checkbox' checked={notifications} onChange={this.toggleNotifications} />
+            <label className='setting-toggle__label' htmlFor='mute-modal__hide-notifications-checkbox'>
+              <FormattedMessage id='mute_modal.hide_notifications' defaultMessage='Hide notifications from this user?' />
+            </label>
+          </div>
+          <div>
+            <span><FormattedMessage id='mute_modal.duration' defaultMessage='Duration' />: </span>
+
+            {/* eslint-disable-next-line jsx-a11y/no-onchange */}
+            <select value={muteDuration} onChange={this.changeMuteDuration}>
+              <option value={0}>{intl.formatMessage(messages.indefinite)}</option>
+              <option value={300}>{intl.formatMessage(messages.minutes, { number: 5 })}</option>
+              <option value={1800}>{intl.formatMessage(messages.minutes, { number: 30 })}</option>
+              <option value={3600}>{intl.formatMessage(messages.hours, { number: 1 })}</option>
+              <option value={21600}>{intl.formatMessage(messages.hours, { number: 6 })}</option>
+              <option value={86400}>{intl.formatMessage(messages.days, { number: 1 })}</option>
+              <option value={259200}>{intl.formatMessage(messages.days, { number: 3 })}</option>
+              <option value={604800}>{intl.formatMessage(messages.days, { number: 7 })}</option>
+            </select>
+          </div>
+        </div>
+
+        <div className='mute-modal__action-bar'>
+          <Button onClick={this.handleCancel} className='mute-modal__cancel-button'>
+            <FormattedMessage id='confirmation_modal.cancel' defaultMessage='Cancel' />
+          </Button>
+          <Button onClick={this.handleClick} ref={this.setRef}>
+            <FormattedMessage id='confirmations.mute.confirm' defaultMessage='Mute' />
+          </Button>
+        </div>
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/ui/components/navigation_panel.js b/app/javascript/flavours/glitch/features/ui/components/navigation_panel.js
new file mode 100644
index 000000000..3b46c6eec
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/navigation_panel.js
@@ -0,0 +1,104 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { defineMessages, injectIntl } from 'react-intl';
+import { Link } from 'react-router-dom';
+import { timelinePreview, showTrends } from 'flavours/glitch/initial_state';
+import ColumnLink from 'flavours/glitch/features/ui/components/column_link';
+import DisabledAccountBanner from './disabled_account_banner';
+import FollowRequestsColumnLink from './follow_requests_column_link';
+import ListPanel from './list_panel';
+import NotificationsCounterIcon from './notifications_counter_icon';
+import SignInBanner from './sign_in_banner';
+import { preferencesLink, relationshipsLink } from 'flavours/glitch/utils/backend_links';
+import NavigationPortal from 'flavours/glitch/components/navigation_portal';
+
+const messages = defineMessages({
+  home: { id: 'tabs_bar.home', defaultMessage: 'Home' },
+  notifications: { id: 'tabs_bar.notifications', defaultMessage: 'Notifications' },
+  explore: { id: 'explore.title', defaultMessage: 'Explore' },
+  local: { id: 'tabs_bar.local_timeline', defaultMessage: 'Local' },
+  federated: { id: 'tabs_bar.federated_timeline', defaultMessage: 'Federated' },
+  direct: { id: 'navigation_bar.direct', defaultMessage: 'Direct messages' },
+  favourites: { id: 'navigation_bar.favourites', defaultMessage: 'Favourites' },
+  bookmarks: { id: 'navigation_bar.bookmarks', defaultMessage: 'Bookmarks' },
+  lists: { id: 'navigation_bar.lists', defaultMessage: 'Lists' },
+  preferences: { id: 'navigation_bar.preferences', defaultMessage: 'Preferences' },
+  followsAndFollowers: { id: 'navigation_bar.follows_and_followers', defaultMessage: 'Follows and followers' },
+  about: { id: 'navigation_bar.about', defaultMessage: 'About' },
+  search: { id: 'navigation_bar.search', defaultMessage: 'Search' },
+  app_settings: { id: 'navigation_bar.app_settings', defaultMessage: 'App settings' },
+});
+
+export default @injectIntl
+class NavigationPanel extends React.Component {
+
+  static contextTypes = {
+    router: PropTypes.object.isRequired,
+    identity: PropTypes.object.isRequired,
+  };
+
+  static propTypes = {
+    onOpenSettings: PropTypes.func,
+  };
+
+  render() {
+    const { intl, onOpenSettings } = this.props;
+    const { signedIn, disabledAccountId } = this.context.identity;
+
+    return (
+      <div className='navigation-panel'>
+        {signedIn && (
+          <React.Fragment>
+            <ColumnLink transparent to='/home' icon='home' text={intl.formatMessage(messages.home)} />
+            <ColumnLink transparent to='/notifications' icon={<NotificationsCounterIcon className='column-link__icon' />} text={intl.formatMessage(messages.notifications)} />
+            <FollowRequestsColumnLink />
+          </React.Fragment>
+        )}
+
+        {showTrends ? (
+          <ColumnLink transparent to='/explore' icon='hashtag' text={intl.formatMessage(messages.explore)} />
+        ) : (
+          <ColumnLink transparent to='/search' icon='search' text={intl.formatMessage(messages.search)} />
+        )}
+
+        {(signedIn || timelinePreview) && (
+          <>
+            <ColumnLink transparent to='/public/local' icon='users' text={intl.formatMessage(messages.local)} />
+            <ColumnLink transparent exact to='/public' icon='globe' text={intl.formatMessage(messages.federated)} />
+          </>
+        )}
+
+        {!signedIn && (
+          <div className='navigation-panel__sign-in-banner'>
+            <hr />
+            { disabledAccountId ? <DisabledAccountBanner /> : <SignInBanner /> }
+          </div>
+        )}
+
+        {signedIn && (
+          <React.Fragment>
+            <ColumnLink transparent to='/conversations' icon='at' text={intl.formatMessage(messages.direct)} />
+            <ColumnLink transparent to='/favourites' icon='star' text={intl.formatMessage(messages.favourites)} />
+            <ColumnLink transparent to='/bookmarks' icon='bookmark' text={intl.formatMessage(messages.bookmarks)} />
+            <ColumnLink transparent to='/lists' icon='list-ul' text={intl.formatMessage(messages.lists)} />
+
+            <ListPanel />
+
+            <hr />
+
+            {!!preferencesLink && <ColumnLink transparent href={preferencesLink} icon='cog' text={intl.formatMessage(messages.preferences)} />}
+            <ColumnLink transparent onClick={onOpenSettings} icon='cogs' text={intl.formatMessage(messages.app_settings)} />
+          </React.Fragment>
+        )}
+
+        <div className='navigation-panel__legal'>
+          <hr />
+          <ColumnLink transparent to='/about' icon='ellipsis-h' text={intl.formatMessage(messages.about)} />
+        </div>
+
+        <NavigationPortal />
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/ui/components/notifications_counter_icon.js b/app/javascript/flavours/glitch/features/ui/components/notifications_counter_icon.js
new file mode 100644
index 000000000..6b52ef9b4
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/notifications_counter_icon.js
@@ -0,0 +1,9 @@
+import { connect } from 'react-redux';
+import IconWithBadge from 'flavours/glitch/components/icon_with_badge';
+
+const mapStateToProps = state => ({
+  count: state.getIn(['local_settings', 'notifications', 'tab_badge']) ? state.getIn(['notifications', 'unread']) : 0,
+  id: 'bell',
+});
+
+export default connect(mapStateToProps)(IconWithBadge);
diff --git a/app/javascript/flavours/glitch/features/ui/components/onboarding_modal.js b/app/javascript/flavours/glitch/features/ui/components/onboarding_modal.js
new file mode 100644
index 000000000..d972fe3b5
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/onboarding_modal.js
@@ -0,0 +1,321 @@
+import React from 'react';
+import { connect } from 'react-redux';
+import PropTypes from 'prop-types';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
+import ReactSwipeableViews from 'react-swipeable-views';
+import classNames from 'classnames';
+import Permalink from 'flavours/glitch/components/permalink';
+import ComposeForm from 'flavours/glitch/features/compose/components/compose_form';
+import DrawerAccount from 'flavours/glitch/features/compose/components/navigation_bar';
+import Search from 'flavours/glitch/features/compose/components/search';
+import ColumnHeader from './column_header';
+import { me, source_url } from 'flavours/glitch/initial_state';
+
+const noop = () => { };
+
+const messages = defineMessages({
+  home_title: { id: 'column.home', defaultMessage: 'Home' },
+  notifications_title: { id: 'column.notifications', defaultMessage: 'Notifications' },
+  local_title: { id: 'column.community', defaultMessage: 'Local timeline' },
+  federated_title: { id: 'column.public', defaultMessage: 'Federated timeline' },
+});
+
+const PageOne = ({ acct, domain }) => (
+  <div className='onboarding-modal__page onboarding-modal__page-one'>
+    <div style={{ flex: '0 0 auto' }}>
+      <div className='onboarding-modal__page-one__elephant-friend' />
+    </div>
+
+    <div>
+      <h1><FormattedMessage id='onboarding.page_one.welcome' defaultMessage='Welcome to {domain}!' values={{ domain }} /></h1>
+      <p><FormattedMessage id='onboarding.page_one.federation' defaultMessage='{domain} is an "instance" of Mastodon. Mastodon is a network of independent servers joining up to make one larger social network. We call these servers instances.' values={{ domain }} /></p>
+      <p><FormattedMessage id='onboarding.page_one.handle' defaultMessage='You are on {domain}, so your full handle is {handle}' values={{ domain, handle: <strong>@{acct}@{domain}</strong> }} /></p>
+    </div>
+  </div>
+);
+
+PageOne.propTypes = {
+  acct: PropTypes.string.isRequired,
+  domain: PropTypes.string.isRequired,
+};
+
+const PageTwo = ({ intl, myAccount }) => (
+  <div className='onboarding-modal__page onboarding-modal__page-two'>
+    <div className='figure non-interactive'>
+      <div className='pseudo-drawer'>
+        <DrawerAccount account={myAccount} />
+        <ComposeForm
+          privacy='public'
+          text='Awoo! #introductions'
+          spoilerText=''
+          suggestions={[]}
+        />
+      </div>
+    </div>
+
+    <p><FormattedMessage id='onboarding.page_two.compose' defaultMessage='Write posts from the compose column. You can upload images, change privacy settings, and add content warnings with the icons below.' /></p>
+  </div>
+);
+
+PageTwo.propTypes = {
+  intl: PropTypes.object.isRequired,
+  myAccount: ImmutablePropTypes.map.isRequired,
+};
+
+const PageThree = ({ intl, myAccount }) => (
+  <div className='onboarding-modal__page onboarding-modal__page-three'>
+    <div className='figure non-interactive'>
+      <Search
+        value=''
+        onChange={noop}
+        onSubmit={noop}
+        onClear={noop}
+        onShow={noop}
+      />
+
+      <div className='pseudo-drawer'>
+        <DrawerAccount account={myAccount} />
+      </div>
+    </div>
+
+    <p><FormattedMessage id='onboarding.page_three.search' defaultMessage='Use the search bar to find people and look at hashtags, such as {illustration} and {introductions}. To look for a person who is not on this instance, use their full handle.' values={{ illustration: <Permalink to='/tag/illustration' href='/tags/illustration'>#illustration</Permalink>, introductions: <Permalink to='/tag/introductions' href='/tags/introductions'>#introductions</Permalink> }} /></p>
+    <p><FormattedMessage id='onboarding.page_three.profile' defaultMessage='Edit your profile to change your avatar, bio, and display name. There, you will also find other preferences.' /></p>
+  </div>
+);
+
+PageThree.propTypes = {
+  intl: PropTypes.object.isRequired,
+  myAccount: ImmutablePropTypes.map.isRequired,
+};
+
+const PageFour = ({ domain, intl }) => (
+  <div className='onboarding-modal__page onboarding-modal__page-four'>
+    <div className='onboarding-modal__page-four__columns'>
+      <div className='row'>
+        <div>
+          <div className='figure non-interactive'><ColumnHeader icon='home' type={intl.formatMessage(messages.home_title)} /></div>
+          <p><FormattedMessage id='onboarding.page_four.home' defaultMessage='The home timeline shows posts from people you follow.' /></p>
+        </div>
+
+        <div>
+          <div className='figure non-interactive'><ColumnHeader icon='bell' type={intl.formatMessage(messages.notifications_title)} /></div>
+          <p><FormattedMessage id='onboarding.page_four.notifications' defaultMessage='The notifications column shows when someone interacts with you.' /></p>
+        </div>
+      </div>
+
+      <div className='row'>
+        <div>
+          <div className='figure non-interactive' style={{ marginBottom: 0 }}><ColumnHeader icon='users' type={intl.formatMessage(messages.local_title)} /></div>
+        </div>
+
+        <div>
+          <div className='figure non-interactive' style={{ marginBottom: 0 }}><ColumnHeader icon='globe' type={intl.formatMessage(messages.federated_title)} /></div>
+        </div>
+      </div>
+
+      <p><FormattedMessage id='onboarding.page_five.public_timelines' defaultMessage='The local timeline shows public posts from everyone on {domain}. The federated timeline shows public posts from everyone who people on {domain} follow. These are the Public Timelines, a great way to discover new people.' values={{ domain }} /></p>
+    </div>
+  </div>
+);
+
+PageFour.propTypes = {
+  domain: PropTypes.string.isRequired,
+  intl: PropTypes.object.isRequired,
+};
+
+const PageSix = ({ admin, domain }) => {
+  let adminSection = '';
+
+  if (admin) {
+    adminSection = (
+      <p>
+        <FormattedMessage id='onboarding.page_six.admin' defaultMessage="Your instance's admin is {admin}." values={{ admin: <Permalink href={admin.get('url')} to={`/@${admin.get('acct')}`}>@{admin.get('acct')}</Permalink> }} />
+        <br />
+        <FormattedMessage id='onboarding.page_six.read_guidelines' defaultMessage="Please read {domain}'s {guidelines}!" values={{ domain, guidelines: <a href='/about/more' target='_blank'><FormattedMessage id='onboarding.page_six.guidelines' defaultMessage='community guidelines' /></a> }} />
+      </p>
+    );
+  }
+
+  return (
+    <div className='onboarding-modal__page onboarding-modal__page-six'>
+      <h1><FormattedMessage id='onboarding.page_six.almost_done' defaultMessage='Almost done...' /></h1>
+      {adminSection}
+      <p>
+        <FormattedMessage
+          id='onboarding.page_six.github'
+          defaultMessage='{domain} runs on Glitchsoc. Glitchsoc is a friendly {fork} of {Mastodon}. Glitchsoc is fully compatible with all Mastodon apps and instances. Glitchsoc is free open-source software. You can report bugs, request features, or contribute to the code on {github}.'
+          values={{
+            domain,
+            fork: <a href='https://en.wikipedia.org/wiki/Fork_(software_development)' target='_blank' rel='noopener'>fork</a>,
+            Mastodon: <a href='https://github.com/mastodon/mastodon' target='_blank' rel='noopener'>Mastodon</a>,
+            github: <a href={source_url} target='_blank' rel='noopener'>GitHub</a>,
+          }}
+        />
+      </p>
+      <p><FormattedMessage id='onboarding.page_six.apps_available' defaultMessage='There are {apps} available for iOS, Android and other platforms.' values={{ domain, apps: <a href='https://joinmastodon.org/apps' target='_blank' rel='noopener'><FormattedMessage id='onboarding.page_six.various_app' defaultMessage='mobile apps' /></a> }} /></p>
+      <p><em><FormattedMessage id='onboarding.page_six.appetoot' defaultMessage='Bon Appetoot!' /></em></p>
+    </div>
+  );
+};
+
+PageSix.propTypes = {
+  admin: ImmutablePropTypes.map,
+  domain: PropTypes.string.isRequired,
+};
+
+const mapStateToProps = state => ({
+  myAccount: state.getIn(['accounts', me]),
+  admin: state.getIn(['accounts', state.getIn(['meta', 'admin'])]),
+  domain: state.getIn(['meta', 'domain']),
+});
+
+export default @connect(mapStateToProps)
+@injectIntl
+class OnboardingModal extends React.PureComponent {
+
+  static propTypes = {
+    onClose: PropTypes.func.isRequired,
+    intl: PropTypes.object.isRequired,
+    myAccount: ImmutablePropTypes.map.isRequired,
+    domain: PropTypes.string.isRequired,
+    admin: ImmutablePropTypes.map,
+  };
+
+  state = {
+    currentIndex: 0,
+  };
+
+  componentWillMount() {
+    const { myAccount, admin, domain, intl } = this.props;
+    this.pages = [
+      <PageOne acct={myAccount.get('acct')} domain={domain} />,
+      <PageTwo myAccount={myAccount} intl={intl} />,
+      <PageThree myAccount={myAccount} intl={intl} />,
+      <PageFour domain={domain} intl={intl} />,
+      <PageSix admin={admin} domain={domain} />,
+    ];
+  }
+
+  componentDidMount() {
+    window.addEventListener('keyup', this.handleKeyUp);
+  }
+
+  componentWillUnmount() {
+    window.addEventListener('keyup', this.handleKeyUp);
+  }
+
+  handleSkip = (e) => {
+    e.preventDefault();
+    this.props.onClose();
+  };
+
+  handleDot = (e) => {
+    const i = Number(e.currentTarget.getAttribute('data-index'));
+    e.preventDefault();
+    this.setState({ currentIndex: i });
+  };
+
+  handlePrev = () => {
+    this.setState(({ currentIndex }) => ({
+      currentIndex: Math.max(0, currentIndex - 1),
+    }));
+  };
+
+  handleNext = () => {
+    const { pages } = this;
+    this.setState(({ currentIndex }) => ({
+      currentIndex: Math.min(currentIndex + 1, pages.length - 1),
+    }));
+  };
+
+  handleSwipe = (index) => {
+    this.setState({ currentIndex: index });
+  };
+
+  handleKeyUp = ({ key }) => {
+    switch (key) {
+    case 'ArrowLeft':
+      this.handlePrev();
+      break;
+    case 'ArrowRight':
+      this.handleNext();
+      break;
+    }
+  };
+
+  handleClose = () => {
+    this.props.onClose();
+  };
+
+  render () {
+    const { pages } = this;
+    const { currentIndex } = this.state;
+    const hasMore = currentIndex < pages.length - 1;
+
+    const nextOrDoneBtn = hasMore ? (
+      <button
+        onClick={this.handleNext}
+        className='onboarding-modal__nav onboarding-modal__next'
+      >
+        <FormattedMessage id='onboarding.next' defaultMessage='Next' />
+      </button>
+    ) : (
+      <button
+        onClick={this.handleClose}
+        className='onboarding-modal__nav onboarding-modal__done'
+      >
+        <FormattedMessage id='onboarding.done' defaultMessage='Done' />
+      </button>
+    );
+
+    return (
+      <div className='modal-root__modal onboarding-modal'>
+        <ReactSwipeableViews index={currentIndex} onChangeIndex={this.handleSwipe} className='onboarding-modal__pager'>
+          {pages.map((page, i) => {
+            const className = classNames('onboarding-modal__page__wrapper', {
+              'onboarding-modal__page__wrapper--active': i === currentIndex,
+            });
+            return (
+              <div key={i} className={className}>{page}</div>
+            );
+          })}
+        </ReactSwipeableViews>
+
+        <div className='onboarding-modal__paginator'>
+          <div>
+            <button
+              onClick={this.handleSkip}
+              className='onboarding-modal__nav onboarding-modal__skip'
+            >
+              <FormattedMessage id='onboarding.skip' defaultMessage='Skip' />
+            </button>
+          </div>
+
+          <div className='onboarding-modal__dots'>
+            {pages.map((_, i) => {
+              const className = classNames('onboarding-modal__dot', {
+                active: i === currentIndex,
+              });
+              return (
+                <div
+                  key={`dot-${i}`}
+                  role='button'
+                  tabIndex='0'
+                  data-index={i}
+                  onClick={this.handleDot}
+                  className={className}
+                />
+              );
+            })}
+          </div>
+
+          <div>
+            {nextOrDoneBtn}
+          </div>
+        </div>
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/ui/components/report_modal.js b/app/javascript/flavours/glitch/features/ui/components/report_modal.js
new file mode 100644
index 000000000..4d7f84bae
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/report_modal.js
@@ -0,0 +1,221 @@
+import React from 'react';
+import { connect } from 'react-redux';
+import { submitReport } from 'flavours/glitch/actions/reports';
+import { expandAccountTimeline } from 'flavours/glitch/actions/timelines';
+import { fetchServer } from 'flavours/glitch/actions/server';
+import { fetchRelationships } from 'flavours/glitch/actions/accounts';
+import PropTypes from 'prop-types';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import { makeGetAccount } from 'flavours/glitch/selectors';
+import { defineMessages, FormattedMessage, injectIntl } from 'react-intl';
+import { OrderedSet } from 'immutable';
+import ImmutablePureComponent from 'react-immutable-pure-component';
+import IconButton from 'flavours/glitch/components/icon_button';
+import Category from 'flavours/glitch/features/report/category';
+import Statuses from 'flavours/glitch/features/report/statuses';
+import Rules from 'flavours/glitch/features/report/rules';
+import Comment from 'flavours/glitch/features/report/comment';
+import Thanks from 'flavours/glitch/features/report/thanks';
+
+const messages = defineMessages({
+  close: { id: 'lightbox.close', defaultMessage: 'Close' },
+});
+
+const makeMapStateToProps = () => {
+  const getAccount = makeGetAccount();
+
+  const mapStateToProps = (state, { accountId }) => ({
+    account: getAccount(state, accountId),
+  });
+
+  return mapStateToProps;
+};
+
+export default @connect(makeMapStateToProps)
+@injectIntl
+class ReportModal extends ImmutablePureComponent {
+
+  static propTypes = {
+    accountId: PropTypes.string.isRequired,
+    statusId: PropTypes.string,
+    dispatch: PropTypes.func.isRequired,
+    intl: PropTypes.object.isRequired,
+    account: ImmutablePropTypes.map.isRequired,
+  };
+
+  state = {
+    step: 'category',
+    selectedStatusIds: OrderedSet(this.props.statusId ? [this.props.statusId] : []),
+    comment: '',
+    category: null,
+    selectedRuleIds: OrderedSet(),
+    forward: true,
+    isSubmitting: false,
+    isSubmitted: false,
+  };
+
+  handleSubmit = () => {
+    const { dispatch, accountId } = this.props;
+    const { selectedStatusIds, comment, category, selectedRuleIds, forward } = this.state;
+
+    this.setState({ isSubmitting: true });
+
+    dispatch(submitReport({
+      account_id: accountId,
+      status_ids: selectedStatusIds.toArray(),
+      comment,
+      forward,
+      category,
+      rule_ids: selectedRuleIds.toArray(),
+    }, this.handleSuccess, this.handleFail));
+  };
+
+  handleSuccess = () => {
+    this.setState({ isSubmitting: false, isSubmitted: true, step: 'thanks' });
+  };
+
+  handleFail = () => {
+    this.setState({ isSubmitting: false });
+  };
+
+  handleStatusToggle = (statusId, checked) => {
+    const { selectedStatusIds } = this.state;
+
+    if (checked) {
+      this.setState({ selectedStatusIds: selectedStatusIds.add(statusId) });
+    } else {
+      this.setState({ selectedStatusIds: selectedStatusIds.remove(statusId) });
+    }
+  };
+
+  handleRuleToggle = (ruleId, checked) => {
+    const { selectedRuleIds } = this.state;
+
+    if (checked) {
+      this.setState({ selectedRuleIds: selectedRuleIds.add(ruleId) });
+    } else {
+      this.setState({ selectedRuleIds: selectedRuleIds.remove(ruleId) });
+    }
+  };
+
+  handleChangeCategory = category => {
+    this.setState({ category });
+  };
+
+  handleChangeComment = comment => {
+    this.setState({ comment });
+  };
+
+  handleChangeForward = forward => {
+    this.setState({ forward });
+  };
+
+  handleNextStep = step => {
+    this.setState({ step });
+  };
+
+  componentDidMount () {
+    const { dispatch, accountId } = this.props;
+
+    dispatch(fetchRelationships([accountId]));
+    dispatch(expandAccountTimeline(accountId, { withReplies: true }));
+    dispatch(fetchServer());
+  }
+
+  render () {
+    const {
+      accountId,
+      account,
+      intl,
+      onClose,
+    } = this.props;
+
+    if (!account) {
+      return null;
+    }
+
+    const {
+      step,
+      selectedStatusIds,
+      selectedRuleIds,
+      comment,
+      forward,
+      category,
+      isSubmitting,
+      isSubmitted,
+    } = this.state;
+
+    const domain   = account.get('acct').split('@')[1];
+    const isRemote = !!domain;
+
+    let stepComponent;
+
+    switch(step) {
+    case 'category':
+      stepComponent = (
+        <Category
+          onNextStep={this.handleNextStep}
+          startedFrom={this.props.statusId ? 'status' : 'account'}
+          category={category}
+          onChangeCategory={this.handleChangeCategory}
+        />
+      );
+      break;
+    case 'rules':
+      stepComponent = (
+        <Rules
+          onNextStep={this.handleNextStep}
+          selectedRuleIds={selectedRuleIds}
+          onToggle={this.handleRuleToggle}
+        />
+      );
+      break;
+    case 'statuses':
+      stepComponent = (
+        <Statuses
+          onNextStep={this.handleNextStep}
+          accountId={accountId}
+          selectedStatusIds={selectedStatusIds}
+          onToggle={this.handleStatusToggle}
+        />
+      );
+      break;
+    case 'comment':
+      stepComponent = (
+        <Comment
+          onSubmit={this.handleSubmit}
+          isSubmitting={isSubmitting}
+          isRemote={isRemote}
+          comment={comment}
+          forward={forward}
+          domain={domain}
+          onChangeComment={this.handleChangeComment}
+          onChangeForward={this.handleChangeForward}
+        />
+      );
+      break;
+    case 'thanks':
+      stepComponent = (
+        <Thanks
+          submitted={isSubmitted}
+          account={account}
+          onClose={onClose}
+        />
+      );
+    }
+
+    return (
+      <div className='modal-root__modal report-dialog-modal'>
+        <div className='report-modal__target'>
+          <IconButton className='report-modal__close' title={intl.formatMessage(messages.close)} icon='times' onClick={onClose} size={20} />
+          <FormattedMessage id='report.target' defaultMessage='Report {target}' values={{ target: <strong>{account.get('acct')}</strong> }} />
+        </div>
+
+        <div className='report-dialog-modal__container'>
+          {stepComponent}
+        </div>
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/ui/components/sign_in_banner.js b/app/javascript/flavours/glitch/features/ui/components/sign_in_banner.js
new file mode 100644
index 000000000..c0d62aca0
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/sign_in_banner.js
@@ -0,0 +1,40 @@
+import React, { useCallback } from 'react';
+import { FormattedMessage } from 'react-intl';
+import { useDispatch } from 'react-redux';
+import { registrationsOpen } from 'flavours/glitch/initial_state';
+import { openModal } from 'flavours/glitch/actions/modal';
+
+const SignInBanner = () => {
+  const dispatch = useDispatch();
+
+  const openClosedRegistrationsModal = useCallback(
+    () => dispatch(openModal('CLOSED_REGISTRATIONS')),
+    [dispatch],
+  );
+
+  let signupButton;
+
+  if (registrationsOpen) {
+    signupButton = (
+      <a href='/auth/sign_up' className='button button--block button-tertiary'>
+        <FormattedMessage id='sign_in_banner.create_account' defaultMessage='Create account' />
+      </a>
+    );
+  } else {
+    signupButton = (
+      <button className='button button--block button-tertiary' onClick={openClosedRegistrationsModal}>
+        <FormattedMessage id='sign_in_banner.create_account' defaultMessage='Create account' />
+      </button>
+    );
+  }
+
+  return (
+    <div className='sign-in-banner'>
+      <p><FormattedMessage id='sign_in_banner.text' defaultMessage='Sign in to follow profiles or hashtags, favourite, share and reply to posts. You can also interact from your account on a different server.' /></p>
+      <a href='/auth/sign_in' className='button button--block'><FormattedMessage id='sign_in_banner.sign_in' defaultMessage='Sign in' /></a>
+      {signupButton}
+    </div>
+  );
+};
+
+export default SignInBanner;
diff --git a/app/javascript/flavours/glitch/features/ui/components/upload_area.js b/app/javascript/flavours/glitch/features/ui/components/upload_area.js
new file mode 100644
index 000000000..0e07b67f8
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/upload_area.js
@@ -0,0 +1,52 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import Motion from '../../ui/util/optional_motion';
+import spring from 'react-motion/lib/spring';
+import { FormattedMessage } from 'react-intl';
+
+export default class UploadArea extends React.PureComponent {
+
+  static propTypes = {
+    active: PropTypes.bool,
+    onClose: PropTypes.func,
+  };
+
+  handleKeyUp = (e) => {
+    const keyCode = e.keyCode;
+    if (this.props.active) {
+      switch(keyCode) {
+      case 27:
+        e.preventDefault();
+        e.stopPropagation();
+        this.props.onClose();
+        break;
+      }
+    }
+  };
+
+  componentDidMount () {
+    window.addEventListener('keyup', this.handleKeyUp, false);
+  }
+
+  componentWillUnmount () {
+    window.removeEventListener('keyup', this.handleKeyUp);
+  }
+
+  render () {
+    const { active } = this.props;
+
+    return (
+      <Motion defaultStyle={{ backgroundOpacity: 0, backgroundScale: 0.95 }} style={{ backgroundOpacity: spring(active ? 1 : 0, { stiffness: 150, damping: 15 }), backgroundScale: spring(active ? 1 : 0.95, { stiffness: 200, damping: 3 }) }}>
+        {({ backgroundOpacity, backgroundScale }) =>
+          (<div className='upload-area' style={{ visibility: active ? 'visible' : 'hidden', opacity: backgroundOpacity }}>
+            <div className='upload-area__drop'>
+              <div className='upload-area__background' style={{ transform: `scale(${backgroundScale})` }} />
+              <div className='upload-area__content'><FormattedMessage id='upload_area.title' defaultMessage='Drag & drop to upload' /></div>
+            </div>
+          </div>)
+        }
+      </Motion>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/ui/components/video_modal.js b/app/javascript/flavours/glitch/features/ui/components/video_modal.js
new file mode 100644
index 000000000..90be11e4b
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/video_modal.js
@@ -0,0 +1,66 @@
+import React from 'react';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import PropTypes from 'prop-types';
+import Video from 'flavours/glitch/features/video';
+import ImmutablePureComponent from 'react-immutable-pure-component';
+import Footer from 'flavours/glitch/features/picture_in_picture/components/footer';
+import { getAverageFromBlurhash } from 'flavours/glitch/blurhash';
+
+export default class VideoModal extends ImmutablePureComponent {
+
+  static contextTypes = {
+    router: PropTypes.object,
+  };
+
+  static propTypes = {
+    media: ImmutablePropTypes.map.isRequired,
+    statusId: PropTypes.string,
+    options: PropTypes.shape({
+      startTime: PropTypes.number,
+      autoPlay: PropTypes.bool,
+      defaultVolume: PropTypes.number,
+    }),
+    onClose: PropTypes.func.isRequired,
+    onChangeBackgroundColor: PropTypes.func.isRequired,
+  };
+
+  componentDidMount () {
+    const { media, onChangeBackgroundColor, onClose } = this.props;
+
+    const backgroundColor = getAverageFromBlurhash(media.get('blurhash'));
+
+    if (backgroundColor) {
+      onChangeBackgroundColor(backgroundColor);
+    }
+  }
+
+  render () {
+    const { media, statusId, onClose } = this.props;
+    const options = this.props.options || {};
+
+    return (
+      <div className='modal-root__modal video-modal'>
+        <div className='video-modal__container'>
+          <Video
+            preview={media.get('preview_url')}
+            frameRate={media.getIn(['meta', 'original', 'frame_rate'])}
+            blurhash={media.get('blurhash')}
+            src={media.get('url')}
+            currentTime={options.startTime}
+            autoPlay={options.autoPlay}
+            volume={options.defaultVolume}
+            onCloseVideo={onClose}
+            autoFocus
+            detailed
+            alt={media.get('description')}
+          />
+        </div>
+
+        <div className='media-modal__overlay'>
+          {statusId && <Footer statusId={statusId} withOpenButton onClose={onClose} />}
+        </div>
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/ui/components/zoomable_image.js b/app/javascript/flavours/glitch/features/ui/components/zoomable_image.js
new file mode 100644
index 000000000..50b36b478
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/components/zoomable_image.js
@@ -0,0 +1,450 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import IconButton from 'flavours/glitch/components/icon_button';
+import { defineMessages, injectIntl } from 'react-intl';
+
+const messages = defineMessages({
+  compress: { id: 'lightbox.compress', defaultMessage: 'Compress image view box' },
+  expand: { id: 'lightbox.expand', defaultMessage: 'Expand image view box' },
+});
+
+const MIN_SCALE = 1;
+const MAX_SCALE = 4;
+const NAV_BAR_HEIGHT = 66;
+
+const getMidpoint = (p1, p2) => ({
+  x: (p1.clientX + p2.clientX) / 2,
+  y: (p1.clientY + p2.clientY) / 2,
+});
+
+const getDistance = (p1, p2) =>
+  Math.sqrt(Math.pow(p1.clientX - p2.clientX, 2) + Math.pow(p1.clientY - p2.clientY, 2));
+
+const clamp = (min, max, value) => Math.min(max, Math.max(min, value));
+
+// Normalizing mousewheel speed across browsers
+// copy from: https://github.com/facebookarchive/fixed-data-table/blob/master/src/vendor_upstream/dom/normalizeWheel.js
+const normalizeWheel = event => {
+  // Reasonable defaults
+  const PIXEL_STEP = 10;
+  const LINE_HEIGHT = 40;
+  const PAGE_HEIGHT = 800;
+
+  let sX = 0,
+    sY = 0, // spinX, spinY
+    pX = 0,
+    pY = 0; // pixelX, pixelY
+
+  // Legacy
+  if ('detail' in event) {
+    sY = event.detail;
+  }
+  if ('wheelDelta' in event) {
+    sY = -event.wheelDelta / 120;
+  }
+  if ('wheelDeltaY' in event) {
+    sY = -event.wheelDeltaY / 120;
+  }
+  if ('wheelDeltaX' in event) {
+    sX = -event.wheelDeltaX / 120;
+  }
+
+  // side scrolling on FF with DOMMouseScroll
+  if ('axis' in event && event.axis === event.HORIZONTAL_AXIS) {
+    sX = sY;
+    sY = 0;
+  }
+
+  pX = sX * PIXEL_STEP;
+  pY = sY * PIXEL_STEP;
+
+  if ('deltaY' in event) {
+    pY = event.deltaY;
+  }
+  if ('deltaX' in event) {
+    pX = event.deltaX;
+  }
+
+  if ((pX || pY) && event.deltaMode) {
+    if (event.deltaMode === 1) { // delta in LINE units
+      pX *= LINE_HEIGHT;
+      pY *= LINE_HEIGHT;
+    } else { // delta in PAGE units
+      pX *= PAGE_HEIGHT;
+      pY *= PAGE_HEIGHT;
+    }
+  }
+
+  // Fall-back if spin cannot be determined
+  if (pX && !sX) {
+    sX = (pX < 1) ? -1 : 1;
+  }
+  if (pY && !sY) {
+    sY = (pY < 1) ? -1 : 1;
+  }
+
+  return {
+    spinX: sX,
+    spinY: sY,
+    pixelX: pX,
+    pixelY: pY,
+  };
+};
+
+export default @injectIntl
+class ZoomableImage extends React.PureComponent {
+
+  static propTypes = {
+    alt: PropTypes.string,
+    src: PropTypes.string.isRequired,
+    width: PropTypes.number,
+    height: PropTypes.number,
+    onClick: PropTypes.func,
+    zoomButtonHidden: PropTypes.bool,
+    intl: PropTypes.object.isRequired,
+  };
+
+  static defaultProps = {
+    alt: '',
+    width: null,
+    height: null,
+  };
+
+  state = {
+    scale: MIN_SCALE,
+    zoomMatrix: {
+      type: null, // 'width' 'height'
+      fullScreen: null, // bool
+      rate: null, // full screen scale rate
+      clientWidth: null,
+      clientHeight: null,
+      offsetWidth: null,
+      offsetHeight: null,
+      clientHeightFixed: null,
+      scrollTop: null,
+      scrollLeft: null,
+      translateX: null,
+      translateY: null,
+    },
+    zoomState: 'expand', // 'expand' 'compress'
+    navigationHidden: false,
+    dragPosition: { top: 0, left: 0, x: 0, y: 0 },
+    dragged: false,
+    lockScroll: { x: 0, y: 0 },
+    lockTranslate: { x: 0, y: 0 },
+  };
+
+  removers = [];
+  container = null;
+  image = null;
+  lastTouchEndTime = 0;
+  lastDistance = 0;
+
+  componentDidMount () {
+    let handler = this.handleTouchStart;
+    this.container.addEventListener('touchstart', handler);
+    this.removers.push(() => this.container.removeEventListener('touchstart', handler));
+    handler = this.handleTouchMove;
+    // on Chrome 56+, touch event listeners will default to passive
+    // https://www.chromestatus.com/features/5093566007214080
+    this.container.addEventListener('touchmove', handler, { passive: false });
+    this.removers.push(() => this.container.removeEventListener('touchend', handler));
+
+    handler = this.mouseDownHandler;
+    this.container.addEventListener('mousedown', handler);
+    this.removers.push(() => this.container.removeEventListener('mousedown', handler));
+
+    handler = this.mouseWheelHandler;
+    this.container.addEventListener('wheel', handler);
+    this.removers.push(() => this.container.removeEventListener('wheel', handler));
+    // Old Chrome
+    this.container.addEventListener('mousewheel', handler);
+    this.removers.push(() => this.container.removeEventListener('mousewheel', handler));
+    // Old Firefox
+    this.container.addEventListener('DOMMouseScroll', handler);
+    this.removers.push(() => this.container.removeEventListener('DOMMouseScroll', handler));
+
+    this.initZoomMatrix();
+  }
+
+  componentWillUnmount () {
+    this.removeEventListeners();
+  }
+
+  componentDidUpdate () {
+    this.setState({ zoomState: this.state.scale >= this.state.zoomMatrix.rate ? 'compress' : 'expand' });
+
+    if (this.state.scale === MIN_SCALE) {
+      this.container.style.removeProperty('cursor');
+    }
+  }
+
+  UNSAFE_componentWillReceiveProps () {
+    // reset when slide to next image
+    if (this.props.zoomButtonHidden) {
+      this.setState({
+        scale: MIN_SCALE,
+        lockTranslate: { x: 0, y: 0 },
+      }, () => {
+        this.container.scrollLeft = 0;
+        this.container.scrollTop = 0;
+      });
+    }
+  }
+
+  removeEventListeners () {
+    this.removers.forEach(listeners => listeners());
+    this.removers = [];
+  }
+
+  mouseWheelHandler = e => {
+    e.preventDefault();
+
+    const event = normalizeWheel(e);
+
+    if (this.state.zoomMatrix.type === 'width') {
+      // full width, scroll vertical
+      this.container.scrollTop = Math.max(this.container.scrollTop + event.pixelY, this.state.lockScroll.y);
+    } else {
+      // full height, scroll horizontal
+      this.container.scrollLeft = Math.max(this.container.scrollLeft + event.pixelY, this.state.lockScroll.x);
+    }
+
+    // lock horizontal scroll
+    this.container.scrollLeft = Math.max(this.container.scrollLeft + event.pixelX, this.state.lockScroll.x);
+  };
+
+  mouseDownHandler = e => {
+    this.container.style.cursor = 'grabbing';
+    this.container.style.userSelect = 'none';
+
+    this.setState({ dragPosition: {
+      left: this.container.scrollLeft,
+      top: this.container.scrollTop,
+      // Get the current mouse position
+      x: e.clientX,
+      y: e.clientY,
+    } });
+
+    this.image.addEventListener('mousemove', this.mouseMoveHandler);
+    this.image.addEventListener('mouseup', this.mouseUpHandler);
+  };
+
+  mouseMoveHandler = e => {
+    const dx = e.clientX - this.state.dragPosition.x;
+    const dy = e.clientY - this.state.dragPosition.y;
+
+    this.container.scrollLeft = Math.max(this.state.dragPosition.left - dx, this.state.lockScroll.x);
+    this.container.scrollTop = Math.max(this.state.dragPosition.top - dy, this.state.lockScroll.y);
+
+    this.setState({ dragged: true });
+  };
+
+  mouseUpHandler = () => {
+    this.container.style.cursor = 'grab';
+    this.container.style.removeProperty('user-select');
+
+    this.image.removeEventListener('mousemove', this.mouseMoveHandler);
+    this.image.removeEventListener('mouseup', this.mouseUpHandler);
+  };
+
+  handleTouchStart = e => {
+    if (e.touches.length !== 2) return;
+
+    this.lastDistance = getDistance(...e.touches);
+  };
+
+  handleTouchMove = e => {
+    const { scrollTop, scrollHeight, clientHeight } = this.container;
+    if (e.touches.length === 1 && scrollTop !== scrollHeight - clientHeight) {
+      // prevent propagating event to MediaModal
+      e.stopPropagation();
+      return;
+    }
+    if (e.touches.length !== 2) return;
+
+    e.preventDefault();
+    e.stopPropagation();
+
+    const distance = getDistance(...e.touches);
+    const midpoint = getMidpoint(...e.touches);
+    const _MAX_SCALE = Math.max(MAX_SCALE, this.state.zoomMatrix.rate);
+    const scale = clamp(MIN_SCALE, _MAX_SCALE, this.state.scale * distance / this.lastDistance);
+
+    this.zoom(scale, midpoint);
+
+    this.lastMidpoint = midpoint;
+    this.lastDistance = distance;
+  };
+
+  zoom(nextScale, midpoint) {
+    const { scale, zoomMatrix } = this.state;
+    const { scrollLeft, scrollTop } = this.container;
+
+    // math memo:
+    // x = (scrollLeft + midpoint.x) / scrollWidth
+    // x' = (nextScrollLeft + midpoint.x) / nextScrollWidth
+    // scrollWidth = clientWidth * scale
+    // scrollWidth' = clientWidth * nextScale
+    // Solve x = x' for nextScrollLeft
+    const nextScrollLeft = (scrollLeft + midpoint.x) * nextScale / scale - midpoint.x;
+    const nextScrollTop = (scrollTop + midpoint.y) * nextScale / scale - midpoint.y;
+
+    this.setState({ scale: nextScale }, () => {
+      this.container.scrollLeft = nextScrollLeft;
+      this.container.scrollTop = nextScrollTop;
+      // reset the translateX/Y constantly
+      if (nextScale < zoomMatrix.rate) {
+        this.setState({
+          lockTranslate: {
+            x: zoomMatrix.fullScreen ? 0 : zoomMatrix.translateX * ((nextScale - MIN_SCALE) / (zoomMatrix.rate - MIN_SCALE)),
+            y: zoomMatrix.fullScreen ? 0 : zoomMatrix.translateY * ((nextScale - MIN_SCALE) / (zoomMatrix.rate - MIN_SCALE)),
+          },
+        });
+      }
+    });
+  }
+
+  handleClick = e => {
+    // don't propagate event to MediaModal
+    e.stopPropagation();
+    const dragged = this.state.dragged;
+    this.setState({ dragged: false });
+    if (dragged) return;
+    const handler = this.props.onClick;
+    if (handler) handler();
+    this.setState({ navigationHidden: !this.state.navigationHidden });
+  };
+
+  handleMouseDown = e => {
+    e.preventDefault();
+  };
+
+  initZoomMatrix = () => {
+    const { width, height } = this.props;
+    const { clientWidth, clientHeight } = this.container;
+    const { offsetWidth, offsetHeight } = this.image;
+    const clientHeightFixed = clientHeight - NAV_BAR_HEIGHT;
+
+    const type = width / height < clientWidth / clientHeightFixed ? 'width' : 'height';
+    const fullScreen = type === 'width' ?  width > clientWidth : height > clientHeightFixed;
+    const rate = type === 'width' ? Math.min(clientWidth, width) / offsetWidth : Math.min(clientHeightFixed, height) / offsetHeight;
+    const scrollTop = type === 'width' ?  (clientHeight - offsetHeight) / 2 - NAV_BAR_HEIGHT : (clientHeightFixed - offsetHeight) / 2;
+    const scrollLeft = (clientWidth - offsetWidth) / 2;
+    const translateX = type === 'width' ? (width - offsetWidth) / (2 * rate) : 0;
+    const translateY = type === 'height' ? (height - offsetHeight) / (2 * rate) : 0;
+
+    this.setState({
+      zoomMatrix: {
+        type: type,
+        fullScreen: fullScreen,
+        rate: rate,
+        clientWidth: clientWidth,
+        clientHeight: clientHeight,
+        offsetWidth: offsetWidth,
+        offsetHeight: offsetHeight,
+        clientHeightFixed: clientHeightFixed,
+        scrollTop: scrollTop,
+        scrollLeft: scrollLeft,
+        translateX: translateX,
+        translateY: translateY,
+      },
+    });
+  };
+
+  handleZoomClick = e => {
+    e.preventDefault();
+    e.stopPropagation();
+
+    const { scale, zoomMatrix } = this.state;
+
+    if ( scale >= zoomMatrix.rate ) {
+      this.setState({
+        scale: MIN_SCALE,
+        lockScroll: {
+          x: 0,
+          y: 0,
+        },
+        lockTranslate: {
+          x: 0,
+          y: 0,
+        },
+      }, () => {
+        this.container.scrollLeft = 0;
+        this.container.scrollTop = 0;
+      });
+    } else {
+      this.setState({
+        scale: zoomMatrix.rate,
+        lockScroll: {
+          x: zoomMatrix.scrollLeft,
+          y: zoomMatrix.scrollTop,
+        },
+        lockTranslate: {
+          x: zoomMatrix.fullScreen ? 0 : zoomMatrix.translateX,
+          y: zoomMatrix.fullScreen ? 0 : zoomMatrix.translateY,
+        },
+      }, () => {
+        this.container.scrollLeft = zoomMatrix.scrollLeft;
+        this.container.scrollTop = zoomMatrix.scrollTop;
+      });
+    }
+
+    this.container.style.cursor = 'grab';
+    this.container.style.removeProperty('user-select');
+  };
+
+  setContainerRef = c => {
+    this.container = c;
+  };
+
+  setImageRef = c => {
+    this.image = c;
+  };
+
+  render () {
+    const { alt, src, width, height, intl } = this.props;
+    const { scale, lockTranslate } = this.state;
+    const overflow = scale === MIN_SCALE ? 'hidden' : 'scroll';
+    const zoomButtonShouldHide = this.state.navigationHidden || this.props.zoomButtonHidden || this.state.zoomMatrix.rate <= MIN_SCALE ? 'media-modal__zoom-button--hidden' : '';
+    const zoomButtonTitle = this.state.zoomState === 'compress' ? intl.formatMessage(messages.compress) : intl.formatMessage(messages.expand);
+
+    return (
+      <React.Fragment>
+        <IconButton
+          className={`media-modal__zoom-button ${zoomButtonShouldHide}`}
+          title={zoomButtonTitle}
+          icon={this.state.zoomState}
+          onClick={this.handleZoomClick}
+          size={40}
+          style={{
+            fontSize: '30px', /* Fontawesome's fa-compress fa-expand is larger than fa-close */
+          }}
+        />
+        <div
+          className='zoomable-image'
+          ref={this.setContainerRef}
+          style={{ overflow }}
+        >
+          <img
+            role='presentation'
+            ref={this.setImageRef}
+            alt={alt}
+            title={alt}
+            src={src}
+            width={width}
+            height={height}
+            style={{
+              transform: `scale(${scale}) translate(-${lockTranslate.x}px, -${lockTranslate.y}px)`,
+              transformOrigin: '0 0',
+            }}
+            draggable={false}
+            onClick={this.handleClick}
+            onMouseDown={this.handleMouseDown}
+          />
+        </div>
+      </React.Fragment>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/ui/containers/bundle_container.js b/app/javascript/flavours/glitch/features/ui/containers/bundle_container.js
new file mode 100644
index 000000000..c9086c9bc
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/containers/bundle_container.js
@@ -0,0 +1,19 @@
+import { connect } from 'react-redux';
+
+import Bundle from '../components/bundle';
+
+import { fetchBundleRequest, fetchBundleSuccess, fetchBundleFail } from 'flavours/glitch/actions/bundles';
+
+const mapDispatchToProps = dispatch => ({
+  onFetch () {
+    dispatch(fetchBundleRequest());
+  },
+  onFetchSuccess () {
+    dispatch(fetchBundleSuccess());
+  },
+  onFetchFail (error) {
+    dispatch(fetchBundleFail(error));
+  },
+});
+
+export default connect(null, mapDispatchToProps)(Bundle);
diff --git a/app/javascript/flavours/glitch/features/ui/containers/columns_area_container.js b/app/javascript/flavours/glitch/features/ui/containers/columns_area_container.js
new file mode 100644
index 000000000..1107be740
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/containers/columns_area_container.js
@@ -0,0 +1,17 @@
+import { connect } from 'react-redux';
+import ColumnsArea from '../components/columns_area';
+import { openModal } from 'flavours/glitch/actions/modal';
+
+const mapStateToProps = state => ({
+  columns: state.getIn(['settings', 'columns']),
+});
+
+const mapDispatchToProps = dispatch => ({
+  openSettings (e) {
+    e.preventDefault();
+    e.stopPropagation();
+    dispatch(openModal('SETTINGS', {}));
+  },
+});
+
+export default connect(mapStateToProps, mapDispatchToProps, null, { forwardRef: true })(ColumnsArea);
diff --git a/app/javascript/flavours/glitch/features/ui/containers/loading_bar_container.js b/app/javascript/flavours/glitch/features/ui/containers/loading_bar_container.js
new file mode 100644
index 000000000..63e994f92
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/containers/loading_bar_container.js
@@ -0,0 +1,8 @@
+import { connect }    from 'react-redux';
+import LoadingBar from 'react-redux-loading-bar';
+
+const mapStateToProps = (state, ownProps) => ({
+  loading: state.get('loadingBar')[ownProps.scope || 'default'],
+});
+
+export default connect(mapStateToProps)(LoadingBar.WrappedComponent);
diff --git a/app/javascript/flavours/glitch/features/ui/containers/modal_container.js b/app/javascript/flavours/glitch/features/ui/containers/modal_container.js
new file mode 100644
index 000000000..560c34f01
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/containers/modal_container.js
@@ -0,0 +1,27 @@
+import { connect } from 'react-redux';
+import { openModal, closeModal } from 'flavours/glitch/actions/modal';
+import ModalRoot from '../components/modal_root';
+
+const mapStateToProps = state => ({
+  ignoreFocus: state.getIn(['modal', 'ignoreFocus']),
+  type: state.getIn(['modal', 'stack', 0, 'modalType'], null),
+  props: state.getIn(['modal', 'stack', 0, 'modalProps'], {}),
+});
+
+const mapDispatchToProps = dispatch => ({
+  onClose (confirmationMessage, ignoreFocus = false) {
+    if (confirmationMessage) {
+      dispatch(
+        openModal('CONFIRM', {
+          message: confirmationMessage.message,
+          confirm: confirmationMessage.confirm,
+          onConfirm: () => dispatch(closeModal(undefined, { ignoreFocus })),
+        }),
+      );
+    } else {
+      dispatch(closeModal(undefined, { ignoreFocus }));
+    }
+  },
+});
+
+export default connect(mapStateToProps, mapDispatchToProps)(ModalRoot);
diff --git a/app/javascript/flavours/glitch/features/ui/containers/notifications_container.js b/app/javascript/flavours/glitch/features/ui/containers/notifications_container.js
new file mode 100644
index 000000000..82278a3be
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/containers/notifications_container.js
@@ -0,0 +1,29 @@
+import { injectIntl } from 'react-intl';
+import { connect } from 'react-redux';
+import { NotificationStack } from 'react-notification';
+import { dismissAlert } from 'flavours/glitch/actions/alerts';
+import { getAlerts } from 'flavours/glitch/selectors';
+
+const mapStateToProps = (state, { intl }) => {
+  const notifications = getAlerts(state);
+
+  notifications.forEach(notification => ['title', 'message'].forEach(key => {
+    const value = notification[key];
+
+    if (typeof value === 'object') {
+      notification[key] = intl.formatMessage(value, notification[`${key}_values`]);
+    }
+  }));
+
+  return { notifications };
+};
+
+const mapDispatchToProps = (dispatch) => {
+  return {
+    onDismiss: alert => {
+      dispatch(dismissAlert(alert));
+    },
+  };
+};
+
+export default injectIntl(connect(mapStateToProps, mapDispatchToProps)(NotificationStack));
diff --git a/app/javascript/flavours/glitch/features/ui/containers/status_list_container.js b/app/javascript/flavours/glitch/features/ui/containers/status_list_container.js
new file mode 100644
index 000000000..3cd0707f2
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/containers/status_list_container.js
@@ -0,0 +1,86 @@
+import { connect } from 'react-redux';
+import StatusList from 'flavours/glitch/components/status_list';
+import { scrollTopTimeline, loadPending } from 'flavours/glitch/actions/timelines';
+import { Map as ImmutableMap, List as ImmutableList } from 'immutable';
+import { createSelector } from 'reselect';
+import { debounce } from 'lodash';
+import { me } from 'flavours/glitch/initial_state';
+
+const getRegex = createSelector([
+  (state, { regex }) => regex,
+], (rawRegex) => {
+  let regex = null;
+
+  try {
+    regex = rawRegex && new RegExp(rawRegex.trim(), 'i');
+  } catch (e) {
+    // Bad regex, don't affect filters
+  }
+  return regex;
+});
+
+const makeGetStatusIds = (pending = false) => createSelector([
+  (state, { type }) => state.getIn(['settings', type], ImmutableMap()),
+  (state, { type }) => state.getIn(['timelines', type, pending ? 'pendingItems' : 'items'], ImmutableList()),
+  (state)           => state.get('statuses'),
+  getRegex,
+], (columnSettings, statusIds, statuses, regex) => {
+  return statusIds.filter(id => {
+    if (id === null) return true;
+
+    const statusForId = statuses.get(id);
+    let showStatus    = true;
+
+    if (statusForId.get('account') === me) return true;
+
+    if (columnSettings.getIn(['shows', 'reblog']) === false) {
+      showStatus = showStatus && statusForId.get('reblog') === null;
+    }
+
+    if (columnSettings.getIn(['shows', 'reply']) === false) {
+      showStatus = showStatus && (statusForId.get('in_reply_to_id') === null || statusForId.get('in_reply_to_account_id') === me);
+    }
+
+    if (columnSettings.getIn(['shows', 'direct']) === false) {
+      showStatus = showStatus && statusForId.get('visibility') !== 'direct';
+    }
+
+    if (showStatus && regex) {
+      const searchIndex = statusForId.get('reblog') ? statuses.getIn([statusForId.get('reblog'), 'search_index']) : statusForId.get('search_index');
+      showStatus = !regex.test(searchIndex);
+    }
+
+    return showStatus;
+  });
+});
+
+const makeMapStateToProps = () => {
+  const getStatusIds = makeGetStatusIds();
+  const getPendingStatusIds = makeGetStatusIds(true);
+
+  const mapStateToProps = (state, { timelineId, regex }) => ({
+    statusIds: getStatusIds(state, { type: timelineId, regex }),
+    isLoading: state.getIn(['timelines', timelineId, 'isLoading'], true),
+    isPartial: state.getIn(['timelines', timelineId, 'isPartial'], false),
+    hasMore:   state.getIn(['timelines', timelineId, 'hasMore']),
+    numPending: getPendingStatusIds(state, { type: timelineId }).size,
+  });
+
+  return mapStateToProps;
+};
+
+const mapDispatchToProps = (dispatch, { timelineId }) => ({
+
+  onScrollToTop: debounce(() => {
+    dispatch(scrollTopTimeline(timelineId, true));
+  }, 100),
+
+  onScroll: debounce(() => {
+    dispatch(scrollTopTimeline(timelineId, false));
+  }, 100),
+
+  onLoadPending: () => dispatch(loadPending(timelineId)),
+
+});
+
+export default connect(makeMapStateToProps, mapDispatchToProps)(StatusList);
diff --git a/app/javascript/flavours/glitch/features/ui/index.js b/app/javascript/flavours/glitch/features/ui/index.js
new file mode 100644
index 000000000..9255e346e
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/index.js
@@ -0,0 +1,684 @@
+import React from 'react';
+import NotificationsContainer from './containers/notifications_container';
+import PropTypes from 'prop-types';
+import LoadingBarContainer from './containers/loading_bar_container';
+import ModalContainer from './containers/modal_container';
+import { connect } from 'react-redux';
+import { Redirect, Route, withRouter } from 'react-router-dom';
+import { layoutFromWindow } from 'flavours/glitch/is_mobile';
+import { debounce } from 'lodash';
+import { uploadCompose, resetCompose, changeComposeSpoilerness } from 'flavours/glitch/actions/compose';
+import { expandHomeTimeline } from 'flavours/glitch/actions/timelines';
+import { expandNotifications, notificationsSetVisibility } from 'flavours/glitch/actions/notifications';
+import { fetchServer } from 'flavours/glitch/actions/server';
+import { clearHeight } from 'flavours/glitch/actions/height_cache';
+import { changeLayout } from 'flavours/glitch/actions/app';
+import { synchronouslySubmitMarkers, submitMarkers, fetchMarkers } from 'flavours/glitch/actions/markers';
+import { WrappedSwitch, WrappedRoute } from './util/react_router_helpers';
+import BundleColumnError from './components/bundle_column_error';
+import UploadArea from './components/upload_area';
+import PermaLink from 'flavours/glitch/components/permalink';
+import ColumnsAreaContainer from './containers/columns_area_container';
+import classNames from 'classnames';
+import Favico from 'favico.js';
+import PictureInPicture from 'flavours/glitch/features/picture_in_picture';
+import {
+  Compose,
+  Status,
+  GettingStarted,
+  KeyboardShortcuts,
+  PublicTimeline,
+  CommunityTimeline,
+  AccountTimeline,
+  AccountGallery,
+  HomeTimeline,
+  Followers,
+  Following,
+  Reblogs,
+  Favourites,
+  DirectTimeline,
+  HashtagTimeline,
+  Notifications,
+  FollowRequests,
+  FavouritedStatuses,
+  BookmarkedStatuses,
+  FollowedTags,
+  ListTimeline,
+  Blocks,
+  DomainBlocks,
+  Mutes,
+  PinnedStatuses,
+  Lists,
+  GettingStartedMisc,
+  Directory,
+  Explore,
+  FollowRecommendations,
+  About,
+  PrivacyPolicy,
+} from './util/async-components';
+import { HotKeys } from 'react-hotkeys';
+import initialState, { me, owner, singleUserMode, showTrends, trendsAsLanding } from '../../initial_state';
+import { closeOnboarding, INTRODUCTION_VERSION } from 'flavours/glitch/actions/onboarding';
+import { defineMessages, FormattedMessage, injectIntl } from 'react-intl';
+import { Helmet } from 'react-helmet';
+import Header from './components/header';
+
+// Dummy import, to make sure that <Status /> ends up in the application bundle.
+// Without this it ends up in ~8 very commonly used bundles.
+import '../../../glitch/components/status';
+
+const messages = defineMessages({
+  beforeUnload: { id: 'ui.beforeunload', defaultMessage: 'Your draft will be lost if you leave Mastodon.' },
+});
+
+const mapStateToProps = state => ({
+  layout: state.getIn(['meta', 'layout']),
+  hasComposingText: state.getIn(['compose', 'text']).trim().length !== 0,
+  hasMediaAttachments: state.getIn(['compose', 'media_attachments']).size > 0,
+  canUploadMore: !state.getIn(['compose', 'media_attachments']).some(x => ['audio', 'video'].includes(x.get('type'))) && state.getIn(['compose', 'media_attachments']).size < 4,
+  layout: state.getIn(['meta', 'layout']),
+  layout_local_setting: state.getIn(['local_settings', 'layout']),
+  isWide: state.getIn(['local_settings', 'stretch']),
+  navbarUnder: state.getIn(['local_settings', 'navbar_under']),
+  dropdownMenuIsOpen: state.getIn(['dropdown_menu', 'openId']) !== null,
+  unreadNotifications: state.getIn(['notifications', 'unread']),
+  showFaviconBadge: state.getIn(['local_settings', 'notifications', 'favicon_badge']),
+  hicolorPrivacyIcons: state.getIn(['local_settings', 'hicolor_privacy_icons']),
+  moved: state.getIn(['accounts', me, 'moved']) && state.getIn(['accounts', state.getIn(['accounts', me, 'moved'])]),
+  firstLaunch: state.getIn(['settings', 'introductionVersion'], 0) < INTRODUCTION_VERSION,
+  username: state.getIn(['accounts', me, 'username']),
+});
+
+const keyMap = {
+  help: '?',
+  new: 'n',
+  search: 's',
+  forceNew: 'option+n',
+  toggleComposeSpoilers: 'option+x',
+  focusColumn: ['1', '2', '3', '4', '5', '6', '7', '8', '9'],
+  reply: 'r',
+  favourite: 'f',
+  boost: 'b',
+  mention: 'm',
+  open: ['enter', 'o'],
+  openProfile: 'p',
+  moveDown: ['down', 'j'],
+  moveUp: ['up', 'k'],
+  back: 'backspace',
+  goToHome: 'g h',
+  goToNotifications: 'g n',
+  goToLocal: 'g l',
+  goToFederated: 'g t',
+  goToDirect: 'g d',
+  goToStart: 'g s',
+  goToFavourites: 'g f',
+  goToPinned: 'g p',
+  goToProfile: 'g u',
+  goToBlocked: 'g b',
+  goToMuted: 'g m',
+  goToRequests: 'g r',
+  toggleSpoiler: 'x',
+  bookmark: 'd',
+  toggleCollapse: 'shift+x',
+  toggleSensitive: 'h',
+  openMedia: 'e',
+};
+
+class SwitchingColumnsArea extends React.PureComponent {
+
+  static contextTypes = {
+    identity: PropTypes.object,
+  };
+
+  static propTypes = {
+    children: PropTypes.node,
+    location: PropTypes.object,
+    navbarUnder: PropTypes.bool,
+    mobile: PropTypes.bool,
+  };
+
+  componentWillMount () {
+    if (this.props.mobile) {
+      document.body.classList.toggle('layout-single-column', true);
+      document.body.classList.toggle('layout-multiple-columns', false);
+    } else {
+      document.body.classList.toggle('layout-single-column', false);
+      document.body.classList.toggle('layout-multiple-columns', true);
+    }
+  }
+
+  componentDidUpdate (prevProps) {
+    if (![this.props.location.pathname, '/'].includes(prevProps.location.pathname)) {
+      this.node.handleChildrenContentChange();
+    }
+
+    if (prevProps.mobile !== this.props.mobile) {
+      document.body.classList.toggle('layout-single-column', this.props.mobile);
+      document.body.classList.toggle('layout-multiple-columns', !this.props.mobile);
+    }
+  }
+
+  setRef = c => {
+    if (c) {
+      this.node = c;
+    }
+  };
+
+  render () {
+    const { children, mobile, navbarUnder } = this.props;
+    const { signedIn } = this.context.identity;
+
+    let redirect;
+
+    if (signedIn) {
+      if (mobile) {
+        redirect = <Redirect from='/' to='/home' exact />;
+      } else {
+        redirect = <Redirect from='/' to='/getting-started' exact />;
+      }
+    } else if (singleUserMode && owner && initialState?.accounts[owner]) {
+      redirect = <Redirect from='/' to={`/@${initialState.accounts[owner].username}`} exact />;
+    } else if (showTrends && trendsAsLanding) {
+      redirect = <Redirect from='/' to='/explore' exact />;
+    } else {
+      redirect = <Redirect from='/' to='/about' exact />;
+    }
+
+    return (
+      <ColumnsAreaContainer ref={this.setRef} singleColumn={mobile} navbarUnder={navbarUnder}>
+        <WrappedSwitch>
+          {redirect}
+
+          <WrappedRoute path='/getting-started' component={GettingStarted} content={children} />
+          <WrappedRoute path='/keyboard-shortcuts' component={KeyboardShortcuts} content={children} />
+          <WrappedRoute path='/about' component={About} content={children} />
+          <WrappedRoute path='/privacy-policy' component={PrivacyPolicy} content={children} />
+
+          <WrappedRoute path={['/home', '/timelines/home']} component={HomeTimeline} content={children} />
+          <WrappedRoute path={['/public', '/timelines/public']} exact component={PublicTimeline} content={children} />
+          <WrappedRoute path={['/public/local', '/timelines/public/local']} exact component={CommunityTimeline} content={children} />
+          <WrappedRoute path={['/conversations', '/timelines/direct']} component={DirectTimeline} content={children} />
+          <WrappedRoute path='/tags/:id' component={HashtagTimeline} content={children} />
+          <WrappedRoute path='/lists/:id' component={ListTimeline} content={children} />
+          <WrappedRoute path='/notifications' component={Notifications} content={children} />
+          <WrappedRoute path='/favourites' component={FavouritedStatuses} content={children} />
+
+          <WrappedRoute path='/bookmarks' component={BookmarkedStatuses} content={children} />
+          <WrappedRoute path='/pinned' component={PinnedStatuses} content={children} />
+
+          <WrappedRoute path='/start' component={FollowRecommendations} content={children} />
+          <WrappedRoute path='/directory' component={Directory} content={children} />
+          <WrappedRoute path={['/explore', '/search']} component={Explore} content={children} />
+          <WrappedRoute path={['/publish', '/statuses/new']} component={Compose} content={children} />
+
+          <WrappedRoute path={['/@:acct', '/accounts/:id']} exact component={AccountTimeline} content={children} />
+          <WrappedRoute path='/@:acct/tagged/:tagged?' exact component={AccountTimeline} content={children} />
+          <WrappedRoute path={['/@:acct/with_replies', '/accounts/:id/with_replies']} component={AccountTimeline} content={children} componentParams={{ withReplies: true }} />
+          <WrappedRoute path={['/accounts/:id/followers', '/users/:acct/followers', '/@:acct/followers']} component={Followers} content={children} />
+          <WrappedRoute path={['/accounts/:id/following', '/users/:acct/following', '/@:acct/following']} component={Following} content={children} />
+          <WrappedRoute path={['/@:acct/media', '/accounts/:id/media']} component={AccountGallery} content={children} />
+          <WrappedRoute path='/@:acct/:statusId' exact component={Status} content={children} />
+          <WrappedRoute path='/@:acct/:statusId/reblogs' component={Reblogs} content={children} />
+          <WrappedRoute path='/@:acct/:statusId/favourites' component={Favourites} content={children} />
+
+          {/* Legacy routes, cannot be easily factored with other routes because they share a param name */}
+          <WrappedRoute path='/timelines/tag/:id' component={HashtagTimeline} content={children} />
+          <WrappedRoute path='/timelines/list/:id' component={ListTimeline} content={children} />
+          <WrappedRoute path='/statuses/:statusId' exact component={Status} content={children} />
+          <WrappedRoute path='/statuses/:statusId/reblogs' component={Reblogs} content={children} />
+          <WrappedRoute path='/statuses/:statusId/favourites' component={Favourites} content={children} />
+
+          <WrappedRoute path='/follow_requests' component={FollowRequests} content={children} />
+          <WrappedRoute path='/blocks' component={Blocks} content={children} />
+          <WrappedRoute path='/domain_blocks' component={DomainBlocks} content={children} />
+          <WrappedRoute path='/followed_tags' component={FollowedTags} content={children} />
+          <WrappedRoute path='/mutes' component={Mutes} content={children} />
+          <WrappedRoute path='/lists' component={Lists} content={children} />
+          <WrappedRoute path='/getting-started-misc' component={GettingStartedMisc} content={children} />
+
+          <Route component={BundleColumnError} />
+        </WrappedSwitch>
+      </ColumnsAreaContainer>
+    );
+  }
+
+}
+
+export default @connect(mapStateToProps)
+@injectIntl
+@withRouter
+class UI extends React.Component {
+
+  static contextTypes = {
+    identity: PropTypes.object.isRequired,
+  };
+
+  static propTypes = {
+    dispatch: PropTypes.func.isRequired,
+    children: PropTypes.node,
+    layout_local_setting: PropTypes.string,
+    isWide: PropTypes.bool,
+    systemFontUi: PropTypes.bool,
+    navbarUnder: PropTypes.bool,
+    isComposing: PropTypes.bool,
+    hasComposingText: PropTypes.bool,
+    hasMediaAttachments: PropTypes.bool,
+    canUploadMore: PropTypes.bool,
+    match: PropTypes.object.isRequired,
+    location: PropTypes.object.isRequired,
+    history: PropTypes.object.isRequired,
+    intl: PropTypes.object.isRequired,
+    dropdownMenuIsOpen: PropTypes.bool,
+    unreadNotifications: PropTypes.number,
+    showFaviconBadge: PropTypes.bool,
+    moved: PropTypes.map,
+    layout: PropTypes.string.isRequired,
+    firstLaunch: PropTypes.bool,
+    username: PropTypes.string,
+  };
+
+  state = {
+    draggingOver: false,
+  };
+
+  handleBeforeUnload = (e) => {
+    const { intl, dispatch, hasComposingText, hasMediaAttachments } = this.props;
+
+    dispatch(synchronouslySubmitMarkers());
+
+    if (hasComposingText || hasMediaAttachments) {
+      // Setting returnValue to any string causes confirmation dialog.
+      // Many browsers no longer display this text to users,
+      // but we set user-friendly message for other browsers, e.g. Edge.
+      e.returnValue = intl.formatMessage(messages.beforeUnload);
+    }
+  };
+
+  handleDragEnter = (e) => {
+    e.preventDefault();
+
+    if (!this.dragTargets) {
+      this.dragTargets = [];
+    }
+
+    if (this.dragTargets.indexOf(e.target) === -1) {
+      this.dragTargets.push(e.target);
+    }
+
+    if (e.dataTransfer && e.dataTransfer.types.includes('Files') && this.props.canUploadMore && this.context.identity.signedIn) {
+      this.setState({ draggingOver: true });
+    }
+  };
+
+  handleDragOver = (e) => {
+    if (this.dataTransferIsText(e.dataTransfer)) return false;
+    e.preventDefault();
+    e.stopPropagation();
+
+    try {
+      e.dataTransfer.dropEffect = 'copy';
+    } catch (err) {
+
+    }
+
+    return false;
+  };
+
+  handleDrop = (e) => {
+    if (this.dataTransferIsText(e.dataTransfer)) return;
+
+    e.preventDefault();
+
+    this.setState({ draggingOver: false });
+    this.dragTargets = [];
+
+    if (e.dataTransfer && e.dataTransfer.files.length >= 1 && this.props.canUploadMore && this.context.identity.signedIn) {
+      this.props.dispatch(uploadCompose(e.dataTransfer.files));
+    }
+  };
+
+  handleDragLeave = (e) => {
+    e.preventDefault();
+    e.stopPropagation();
+
+    this.dragTargets = this.dragTargets.filter(el => el !== e.target && this.node.contains(el));
+
+    if (this.dragTargets.length > 0) {
+      return;
+    }
+
+    this.setState({ draggingOver: false });
+  };
+
+  dataTransferIsText = (dataTransfer) => {
+    return (dataTransfer && Array.from(dataTransfer.types).filter((type) => type === 'text/plain').length === 1);
+  };
+
+  closeUploadModal = () => {
+    this.setState({ draggingOver: false });
+  };
+
+  handleServiceWorkerPostMessage = ({ data }) => {
+    if (data.type === 'navigate') {
+      this.props.history.push(data.path);
+    } else {
+      console.warn('Unknown message type:', data.type);
+    }
+  };
+
+  handleVisibilityChange = () => {
+    const visibility = !document[this.visibilityHiddenProp];
+    this.props.dispatch(notificationsSetVisibility(visibility));
+    if (visibility) {
+      this.props.dispatch(submitMarkers({ immediate: true }));
+    }
+  };
+
+  handleLayoutChange = debounce(() => {
+    this.props.dispatch(clearHeight()); // The cached heights are no longer accurate, invalidate
+  }, 500, {
+    trailing: true,
+  });
+
+  handleResize = () => {
+    const layout = layoutFromWindow(this.props.layout_local_setting);
+
+    if (layout !== this.props.layout) {
+      this.handleLayoutChange.cancel();
+      this.props.dispatch(changeLayout(layout));
+    } else {
+      this.handleLayoutChange();
+    }
+  };
+
+  componentDidMount () {
+    const { signedIn } = this.context.identity;
+
+    window.addEventListener('beforeunload', this.handleBeforeUnload, false);
+    window.addEventListener('resize', this.handleResize, { passive: true });
+
+    document.addEventListener('dragenter', this.handleDragEnter, false);
+    document.addEventListener('dragover', this.handleDragOver, false);
+    document.addEventListener('drop', this.handleDrop, false);
+    document.addEventListener('dragleave', this.handleDragLeave, false);
+    document.addEventListener('dragend', this.handleDragEnd, false);
+
+    if ('serviceWorker' in  navigator) {
+      navigator.serviceWorker.addEventListener('message', this.handleServiceWorkerPostMessage);
+    }
+
+    this.favicon = new Favico({ animation:'none' });
+
+    // On first launch, redirect to the follow recommendations page
+    if (signedIn && this.props.firstLaunch) {
+      this.context.router.history.replace('/start');
+      this.props.dispatch(closeOnboarding());
+    }
+
+    if (signedIn) {
+      this.props.dispatch(fetchMarkers());
+      this.props.dispatch(expandHomeTimeline());
+      this.props.dispatch(expandNotifications());
+
+      setTimeout(() => this.props.dispatch(fetchServer()), 3000);
+    }
+
+    this.hotkeys.__mousetrap__.stopCallback = (e, element) => {
+      return ['TEXTAREA', 'SELECT', 'INPUT'].includes(element.tagName);
+    };
+
+    if (typeof document.hidden !== 'undefined') { // Opera 12.10 and Firefox 18 and later support
+      this.visibilityHiddenProp = 'hidden';
+      this.visibilityChange = 'visibilitychange';
+    } else if (typeof document.msHidden !== 'undefined') {
+      this.visibilityHiddenProp = 'msHidden';
+      this.visibilityChange = 'msvisibilitychange';
+    } else if (typeof document.webkitHidden !== 'undefined') {
+      this.visibilityHiddenProp = 'webkitHidden';
+      this.visibilityChange = 'webkitvisibilitychange';
+    }
+
+    if (this.visibilityChange !== undefined) {
+      document.addEventListener(this.visibilityChange, this.handleVisibilityChange, false);
+      this.handleVisibilityChange();
+    }
+  }
+
+  componentWillReceiveProps (nextProps) {
+    if (nextProps.layout_local_setting !== this.props.layout_local_setting) {
+      const layout = layoutFromWindow(nextProps.layout_local_setting);
+
+      if (layout !== this.props.layout) {
+        this.handleLayoutChange.cancel();
+        this.props.dispatch(changeLayout(layout));
+      } else {
+        this.handleLayoutChange();
+      }
+    }
+  }
+
+  componentDidUpdate (prevProps) {
+    if (this.props.unreadNotifications != prevProps.unreadNotifications ||
+        this.props.showFaviconBadge != prevProps.showFaviconBadge) {
+      if (this.favicon) {
+        try {
+          this.favicon.badge(this.props.showFaviconBadge ? this.props.unreadNotifications : 0);
+        } catch (err) {
+          console.error(err);
+        }
+      }
+    }
+  }
+
+  componentWillUnmount () {
+    if (this.visibilityChange !== undefined) {
+      document.removeEventListener(this.visibilityChange, this.handleVisibilityChange);
+    }
+
+    window.removeEventListener('beforeunload', this.handleBeforeUnload);
+    window.removeEventListener('resize', this.handleResize);
+
+    document.removeEventListener('dragenter', this.handleDragEnter);
+    document.removeEventListener('dragover', this.handleDragOver);
+    document.removeEventListener('drop', this.handleDrop);
+    document.removeEventListener('dragleave', this.handleDragLeave);
+    document.removeEventListener('dragend', this.handleDragEnd);
+  }
+
+  setRef = c => {
+    this.node = c;
+  };
+
+  handleHotkeyNew = e => {
+    e.preventDefault();
+
+    const element = this.node.querySelector('.compose-form__autosuggest-wrapper textarea');
+
+    if (element) {
+      element.focus();
+    }
+  };
+
+  handleHotkeySearch = e => {
+    e.preventDefault();
+
+    const element = this.node.querySelector('.search__input');
+
+    if (element) {
+      element.focus();
+    }
+  };
+
+  handleHotkeyForceNew = e => {
+    this.handleHotkeyNew(e);
+    this.props.dispatch(resetCompose());
+  };
+
+  handleHotkeyToggleComposeSpoilers = e => {
+    e.preventDefault();
+    this.props.dispatch(changeComposeSpoilerness());
+  };
+
+  handleHotkeyFocusColumn = e => {
+    const index  = (e.key * 1) + 1; // First child is drawer, skip that
+    const column = this.node.querySelector(`.column:nth-child(${index})`);
+    if (!column) return;
+    const container = column.querySelector('.scrollable');
+
+    if (container) {
+      const status = container.querySelector('.focusable');
+
+      if (status) {
+        if (container.scrollTop > status.offsetTop) {
+          status.scrollIntoView(true);
+        }
+        status.focus();
+      }
+    }
+  };
+
+  handleHotkeyBack = () => {
+    // if history is exhausted, or we would leave mastodon, just go to root.
+    if (window.history.state) {
+      this.props.history.goBack();
+    } else {
+      this.props.history.push('/');
+    }
+  };
+
+  setHotkeysRef = c => {
+    this.hotkeys = c;
+  };
+
+  handleHotkeyToggleHelp = () => {
+    if (this.props.location.pathname === '/keyboard-shortcuts') {
+      this.props.history.goBack();
+    } else {
+      this.props.history.push('/keyboard-shortcuts');
+    }
+  };
+
+  handleHotkeyGoToHome = () => {
+    this.props.history.push('/home');
+  };
+
+  handleHotkeyGoToNotifications = () => {
+    this.props.history.push('/notifications');
+  };
+
+  handleHotkeyGoToLocal = () => {
+    this.props.history.push('/public/local');
+  };
+
+  handleHotkeyGoToFederated = () => {
+    this.props.history.push('/public');
+  };
+
+  handleHotkeyGoToDirect = () => {
+    this.props.history.push('/conversations');
+  };
+
+  handleHotkeyGoToStart = () => {
+    this.props.history.push('/getting-started');
+  };
+
+  handleHotkeyGoToFavourites = () => {
+    this.props.history.push('/favourites');
+  };
+
+  handleHotkeyGoToPinned = () => {
+    this.props.history.push('/pinned');
+  };
+
+  handleHotkeyGoToProfile = () => {
+    this.props.history.push(`/@${this.props.username}`);
+  };
+
+  handleHotkeyGoToBlocked = () => {
+    this.props.history.push('/blocks');
+  };
+
+  handleHotkeyGoToMuted = () => {
+    this.props.history.push('/mutes');
+  };
+
+  handleHotkeyGoToRequests = () => {
+    this.props.history.push('/follow_requests');
+  };
+
+  render () {
+    const { draggingOver } = this.state;
+    const { children, isWide, navbarUnder, location, dropdownMenuIsOpen, layout, moved } = this.props;
+
+    const columnsClass = layout => {
+      switch (layout) {
+      case 'single':
+        return 'single-column';
+      case 'multiple':
+        return 'multi-columns';
+      default:
+        return 'auto-columns';
+      }
+    };
+
+    const className = classNames('ui', columnsClass(layout), {
+      'wide': isWide,
+      'system-font': this.props.systemFontUi,
+      'navbar-under': navbarUnder,
+      'hicolor-privacy-icons': this.props.hicolorPrivacyIcons,
+    });
+
+    const handlers = {
+      help: this.handleHotkeyToggleHelp,
+      new: this.handleHotkeyNew,
+      search: this.handleHotkeySearch,
+      forceNew: this.handleHotkeyForceNew,
+      toggleComposeSpoilers: this.handleHotkeyToggleComposeSpoilers,
+      focusColumn: this.handleHotkeyFocusColumn,
+      back: this.handleHotkeyBack,
+      goToHome: this.handleHotkeyGoToHome,
+      goToNotifications: this.handleHotkeyGoToNotifications,
+      goToLocal: this.handleHotkeyGoToLocal,
+      goToFederated: this.handleHotkeyGoToFederated,
+      goToDirect: this.handleHotkeyGoToDirect,
+      goToStart: this.handleHotkeyGoToStart,
+      goToFavourites: this.handleHotkeyGoToFavourites,
+      goToPinned: this.handleHotkeyGoToPinned,
+      goToProfile: this.handleHotkeyGoToProfile,
+      goToBlocked: this.handleHotkeyGoToBlocked,
+      goToMuted: this.handleHotkeyGoToMuted,
+      goToRequests: this.handleHotkeyGoToRequests,
+    };
+
+    return (
+      <HotKeys keyMap={keyMap} handlers={handlers} ref={this.setHotkeysRef} attach={window} focused>
+        <div className={className} ref={this.setRef} style={{ pointerEvents: dropdownMenuIsOpen ? 'none' : null }}>
+          {moved && (<div className='flash-message alert'>
+            <FormattedMessage
+              id='moved_to_warning'
+              defaultMessage='This account is marked as moved to {moved_to_link}, and may thus not accept new follows.'
+              values={{ moved_to_link: (
+                <PermaLink href={moved.get('url')} to={`/@${moved.get('acct')}`}>
+                  @{moved.get('acct')}
+                </PermaLink>
+              ) }}
+            />
+          </div>)}
+
+          <Header />
+
+          <SwitchingColumnsArea location={location} mobile={layout === 'mobile' || layout === 'single-column'} navbarUnder={navbarUnder}>
+            {children}
+          </SwitchingColumnsArea>
+
+          {layout !== 'mobile' && <PictureInPicture />}
+          <NotificationsContainer />
+          <LoadingBarContainer className='loading-bar' />
+          <ModalContainer />
+          <UploadArea active={draggingOver} onClose={this.closeUploadModal} />
+        </div>
+      </HotKeys>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/ui/util/async-components.js b/app/javascript/flavours/glitch/features/ui/util/async-components.js
new file mode 100644
index 000000000..03e501628
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/util/async-components.js
@@ -0,0 +1,207 @@
+export function EmojiPicker () {
+  return import(/* webpackChunkName: "flavours/glitch/async/emoji_picker" */'flavours/glitch/features/emoji/emoji_picker');
+}
+
+export function Compose () {
+  return import(/* webpackChunkName: "flavours/glitch/async/compose" */'flavours/glitch/features/compose');
+}
+
+export function Notifications () {
+  return import(/* webpackChunkName: "flavours/glitch/async/notifications" */'flavours/glitch/features/notifications');
+}
+
+export function HomeTimeline () {
+  return import(/* webpackChunkName: "flavours/glitch/async/home_timeline" */'flavours/glitch/features/home_timeline');
+}
+
+export function PublicTimeline () {
+  return import(/* webpackChunkName: "flavours/glitch/async/public_timeline" */'flavours/glitch/features/public_timeline');
+}
+
+export function CommunityTimeline () {
+  return import(/* webpackChunkName: "flavours/glitch/async/community_timeline" */'flavours/glitch/features/community_timeline');
+}
+
+export function HashtagTimeline () {
+  return import(/* webpackChunkName: "flavours/glitch/async/hashtag_timeline" */'flavours/glitch/features/hashtag_timeline');
+}
+
+export function ListTimeline () {
+  return import(/* webpackChunkName: "flavours/glitch/async/list_timeline" */'flavours/glitch/features/list_timeline');
+}
+
+export function Lists () {
+  return import(/* webpackChunkName: "flavours/glitch/async/lists" */'flavours/glitch/features/lists');
+}
+
+export function ListEditor () {
+  return import(/* webpackChunkName: "flavours/glitch/async/list_editor" */'flavours/glitch/features/list_editor');
+}
+
+export function PinnedAccountsEditor () {
+  return import(/* webpackChunkName: "flavours/glitch/async/pinned_accounts_editor" */'flavours/glitch/features/pinned_accounts_editor');
+}
+
+export function DirectTimeline() {
+  return import(/* webpackChunkName: "flavours/glitch/async/direct_timeline" */'flavours/glitch/features/direct_timeline');
+}
+
+export function Status () {
+  return import(/* webpackChunkName: "flavours/glitch/async/status" */'flavours/glitch/features/status');
+}
+
+export function GettingStarted () {
+  return import(/* webpackChunkName: "flavours/glitch/async/getting_started" */'flavours/glitch/features/getting_started');
+}
+
+export function KeyboardShortcuts () {
+  return import(/* webpackChunkName: "flavours/glitch/async/keyboard_shortcuts" */'flavours/glitch/features/keyboard_shortcuts');
+}
+
+export function PinnedStatuses () {
+  return import(/* webpackChunkName: "flavours/glitch/async/pinned_statuses" */'flavours/glitch/features/pinned_statuses');
+}
+
+export function AccountTimeline () {
+  return import(/* webpackChunkName: "flavours/glitch/async/account_timeline" */'flavours/glitch/features/account_timeline');
+}
+
+export function AccountGallery () {
+  return import(/* webpackChunkName: "flavours/glitch/async/account_gallery" */'flavours/glitch/features/account_gallery');
+}
+
+export function Followers () {
+  return import(/* webpackChunkName: "flavours/glitch/async/followers" */'flavours/glitch/features/followers');
+}
+
+export function Following () {
+  return import(/* webpackChunkName: "flavours/glitch/async/following" */'flavours/glitch/features/following');
+}
+
+export function Reblogs () {
+  return import(/* webpackChunkName: "flavours/glitch/async/reblogs" */'flavours/glitch/features/reblogs');
+}
+
+export function Favourites () {
+  return import(/* webpackChunkName: "flavours/glitch/async/favourites" */'flavours/glitch/features/favourites');
+}
+
+export function FollowRequests () {
+  return import(/* webpackChunkName: "flavours/glitch/async/follow_requests" */'flavours/glitch/features/follow_requests');
+}
+
+export function GenericNotFound () {
+  return import(/* webpackChunkName: "flavours/glitch/async/generic_not_found" */'flavours/glitch/features/generic_not_found');
+}
+
+export function FavouritedStatuses () {
+  return import(/* webpackChunkName: "flavours/glitch/async/favourited_statuses" */'flavours/glitch/features/favourited_statuses');
+}
+
+export function FollowedTags () {
+  return import(/* webpackChunkName: "flavours/glitch/async/followed_tags" */'flavours/glitch/features/followed_tags');
+}
+
+export function BookmarkedStatuses () {
+  return import(/* webpackChunkName: "flavours/glitch/async/bookmarked_statuses" */'flavours/glitch/features/bookmarked_statuses');
+}
+
+export function Blocks () {
+  return import(/* webpackChunkName: "flavours/glitch/async/blocks" */'flavours/glitch/features/blocks');
+}
+
+export function DomainBlocks () {
+  return import(/* webpackChunkName: "flavours/glitch/async/domain_blocks" */'flavours/glitch/features/domain_blocks');
+}
+
+export function Mutes () {
+  return import(/* webpackChunkName: "flavours/glitch/async/mutes" */'flavours/glitch/features/mutes');
+}
+
+export function OnboardingModal () {
+  return import(/* webpackChunkName: "flavours/glitch/async/onboarding_modal" */'flavours/glitch/features/ui/components/onboarding_modal');
+}
+
+export function MuteModal () {
+  return import(/* webpackChunkName: "flavours/glitch/async/mute_modal" */'flavours/glitch/features/ui/components/mute_modal');
+}
+
+export function BlockModal () {
+  return import(/* webpackChunkName: "flavours/glitch/async/block_modal" */'flavours/glitch/features/ui/components/block_modal');
+}
+
+export function ReportModal () {
+  return import(/* webpackChunkName: "flavours/glitch/async/report_modal" */'flavours/glitch/features/ui/components/report_modal');
+}
+
+export function SettingsModal () {
+  return import(/* webpackChunkName: "flavours/glitch/async/settings_modal" */'flavours/glitch/features/local_settings');
+}
+
+export function MediaGallery () {
+  return import(/* webpackChunkName: "flavours/glitch/async/media_gallery" */'flavours/glitch/components/media_gallery');
+}
+
+export function Video () {
+  return import(/* webpackChunkName: "flavours/glitch/async/video" */'flavours/glitch/features/video');
+}
+
+export function Audio () {
+  return import(/* webpackChunkName: "features/glitch/async/audio" */'flavours/glitch/features/audio');
+}
+
+export function EmbedModal () {
+  return import(/* webpackChunkName: "flavours/glitch/async/embed_modal" */'flavours/glitch/features/ui/components/embed_modal');
+}
+
+export function GettingStartedMisc () {
+  return import(/* webpackChunkName: "flavours/glitch/async/getting_started_misc" */'flavours/glitch/features/getting_started_misc');
+}
+
+export function ListAdder () {
+  return import(/* webpackChunkName: "features/glitch/async/list_adder" */'flavours/glitch/features/list_adder');
+}
+
+export function Tesseract () {
+  return import(/*webpackChunkName: "tesseract" */'tesseract.js');
+}
+
+export function Directory () {
+  return import(/* webpackChunkName: "features/glitch/async/directory" */'flavours/glitch/features/directory');
+}
+
+export function FollowRecommendations () {
+  return import(/* webpackChunkName: "features/glitch/async/follow_recommendations" */'flavours/glitch/features/follow_recommendations');
+}
+
+export function CompareHistoryModal () {
+  return import(/*webpackChunkName: "flavours/glitch/async/compare_history_modal" */'flavours/glitch/features/ui/components/compare_history_modal');
+}
+
+export function FilterModal () {
+  return import(/*webpackChunkName: "flavours/glitch/async/filter_modal" */'flavours/glitch/features/ui/components/filter_modal');
+}
+
+export function Explore () {
+  return import(/* webpackChunkName: "flavours/glitch/async/explore" */'flavours/glitch/features/explore');
+}
+
+export function InteractionModal () {
+  return import(/*webpackChunkName: "flavours/glitch/async/modals/interaction_modal" */'flavours/glitch/features/interaction_modal');
+}
+
+export function SubscribedLanguagesModal () {
+  return import(/*webpackChunkName: "flavours/glitch/async/modals/subscribed_languages_modal" */'flavours/glitch/features/subscribed_languages_modal');
+}
+
+export function ClosedRegistrationsModal () {
+  return import(/*webpackChunkName: "flavours/glitch/async/modals/closed_registrations_modal" */'flavours/glitch/features/closed_registrations_modal');
+}
+
+export function About () {
+  return import(/*webpackChunkName: "features/glitch/async/about" */'flavours/glitch/features/about');
+}
+
+export function PrivacyPolicy () {
+  return import(/*webpackChunkName: "features/glitch/async/privacy_policy" */'flavours/glitch/features/privacy_policy');
+}
diff --git a/app/javascript/flavours/glitch/features/ui/util/fullscreen.js b/app/javascript/flavours/glitch/features/ui/util/fullscreen.js
new file mode 100644
index 000000000..cf5d0cf98
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/util/fullscreen.js
@@ -0,0 +1,46 @@
+// APIs for normalizing fullscreen operations. Note that Edge uses
+// the WebKit-prefixed APIs currently (as of Edge 16).
+
+export const isFullscreen = () => document.fullscreenElement ||
+  document.webkitFullscreenElement ||
+  document.mozFullScreenElement;
+
+export const exitFullscreen = () => {
+  if (document.exitFullscreen) {
+    document.exitFullscreen();
+  } else if (document.webkitExitFullscreen) {
+    document.webkitExitFullscreen();
+  } else if (document.mozCancelFullScreen) {
+    document.mozCancelFullScreen();
+  }
+};
+
+export const requestFullscreen = el => {
+  if (el.requestFullscreen) {
+    el.requestFullscreen();
+  } else if (el.webkitRequestFullscreen) {
+    el.webkitRequestFullscreen();
+  } else if (el.mozRequestFullScreen) {
+    el.mozRequestFullScreen();
+  }
+};
+
+export const attachFullscreenListener = (listener) => {
+  if ('onfullscreenchange' in document) {
+    document.addEventListener('fullscreenchange', listener);
+  } else if ('onwebkitfullscreenchange' in document) {
+    document.addEventListener('webkitfullscreenchange', listener);
+  } else if ('onmozfullscreenchange' in document) {
+    document.addEventListener('mozfullscreenchange', listener);
+  }
+};
+
+export const detachFullscreenListener = (listener) => {
+  if ('onfullscreenchange' in document) {
+    document.removeEventListener('fullscreenchange', listener);
+  } else if ('onwebkitfullscreenchange' in document) {
+    document.removeEventListener('webkitfullscreenchange', listener);
+  } else if ('onmozfullscreenchange' in document) {
+    document.removeEventListener('mozfullscreenchange', listener);
+  }
+};
diff --git a/app/javascript/flavours/glitch/features/ui/util/get_rect_from_entry.js b/app/javascript/flavours/glitch/features/ui/util/get_rect_from_entry.js
new file mode 100644
index 000000000..c266cd7dc
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/util/get_rect_from_entry.js
@@ -0,0 +1,21 @@
+
+// Get the bounding client rect from an IntersectionObserver entry.
+// This is to work around a bug in Chrome: https://crbug.com/737228
+
+let hasBoundingRectBug;
+
+function getRectFromEntry(entry) {
+  if (typeof hasBoundingRectBug !== 'boolean') {
+    const boundingRect = entry.target.getBoundingClientRect();
+    const observerRect = entry.boundingClientRect;
+    hasBoundingRectBug = boundingRect.height !== observerRect.height ||
+      boundingRect.top !== observerRect.top ||
+      boundingRect.width !== observerRect.width ||
+      boundingRect.bottom !== observerRect.bottom ||
+      boundingRect.left !== observerRect.left ||
+      boundingRect.right !== observerRect.right;
+  }
+  return hasBoundingRectBug ? entry.target.getBoundingClientRect() : entry.boundingClientRect;
+}
+
+export default getRectFromEntry;
diff --git a/app/javascript/flavours/glitch/features/ui/util/intersection_observer_wrapper.js b/app/javascript/flavours/glitch/features/ui/util/intersection_observer_wrapper.js
new file mode 100644
index 000000000..2b24c6583
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/util/intersection_observer_wrapper.js
@@ -0,0 +1,57 @@
+// Wrapper for IntersectionObserver in order to make working with it
+// a bit easier. We also follow this performance advice:
+// "If you need to observe multiple elements, it is both possible and
+// advised to observe multiple elements using the same IntersectionObserver
+// instance by calling observe() multiple times."
+// https://developers.google.com/web/updates/2016/04/intersectionobserver
+
+class IntersectionObserverWrapper {
+
+  callbacks = {};
+  observerBacklog = [];
+  observer = null;
+
+  connect (options) {
+    const onIntersection = (entries) => {
+      entries.forEach(entry => {
+        const id = entry.target.getAttribute('data-id');
+        if (this.callbacks[id]) {
+          this.callbacks[id](entry);
+        }
+      });
+    };
+
+    this.observer = new IntersectionObserver(onIntersection, options);
+    this.observerBacklog.forEach(([ id, node, callback ]) => {
+      this.observe(id, node, callback);
+    });
+    this.observerBacklog = null;
+  }
+
+  observe (id, node, callback) {
+    if (!this.observer) {
+      this.observerBacklog.push([ id, node, callback ]);
+    } else {
+      this.callbacks[id] = callback;
+      this.observer.observe(node);
+    }
+  }
+
+  unobserve (id, node) {
+    if (this.observer) {
+      delete this.callbacks[id];
+      this.observer.unobserve(node);
+    }
+  }
+
+  disconnect () {
+    if (this.observer) {
+      this.callbacks = {};
+      this.observer.disconnect();
+      this.observer = null;
+    }
+  }
+
+}
+
+export default IntersectionObserverWrapper;
diff --git a/app/javascript/flavours/glitch/features/ui/util/optional_motion.js b/app/javascript/flavours/glitch/features/ui/util/optional_motion.js
new file mode 100644
index 000000000..a7fbe6310
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/util/optional_motion.js
@@ -0,0 +1,5 @@
+import { reduceMotion } from 'flavours/glitch/initial_state';
+import ReducedMotion from './reduced_motion';
+import Motion from 'react-motion/lib/Motion';
+
+export default reduceMotion ? ReducedMotion : Motion;
diff --git a/app/javascript/flavours/glitch/features/ui/util/react_router_helpers.js b/app/javascript/flavours/glitch/features/ui/util/react_router_helpers.js
new file mode 100644
index 000000000..b1c952d87
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/util/react_router_helpers.js
@@ -0,0 +1,101 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { Switch, Route } from 'react-router-dom';
+import StackTrace from 'stacktrace-js';
+import ColumnLoading from 'flavours/glitch/features/ui/components/column_loading';
+import BundleColumnError from 'flavours/glitch/features/ui/components/bundle_column_error';
+import BundleContainer from 'flavours/glitch/features/ui/containers/bundle_container';
+
+// Small wrapper to pass multiColumn to the route components
+export class WrappedSwitch extends React.PureComponent {
+
+  render () {
+    const { multiColumn, children } = this.props;
+
+    return (
+      <Switch>
+        {React.Children.map(children, child => React.cloneElement(child, { multiColumn }))}
+      </Switch>
+    );
+  }
+
+}
+
+WrappedSwitch.propTypes = {
+  multiColumn: PropTypes.bool,
+  children: PropTypes.node,
+};
+
+// Small Wraper to extract the params from the route and pass
+// them to the rendered component, together with the content to
+// be rendered inside (the children)
+export class WrappedRoute extends React.Component {
+
+  static propTypes = {
+    component: PropTypes.func.isRequired,
+    content: PropTypes.node,
+    multiColumn: PropTypes.bool,
+    componentParams: PropTypes.object,
+  };
+
+  static defaultProps = {
+    componentParams: {},
+  };
+
+  static getDerivedStateFromError () {
+    return {
+      hasError: true,
+    };
+  }
+
+  state = {
+    hasError: false,
+    stacktrace: '',
+  };
+
+  componentDidCatch (error) {
+    StackTrace.fromError(error).then(stackframes => {
+      this.setState({ stacktrace: error.toString() + '\n' + stackframes.map(frame => frame.toString()).join('\n') });
+    }).catch(err => {
+      console.error(err);
+    });
+  }
+
+  renderComponent = ({ match }) => {
+    const { component, content, multiColumn, componentParams } = this.props;
+    const { hasError, stacktrace } = this.state;
+
+    if (hasError) {
+      return (
+        <BundleColumnError
+          stacktrace={stacktrace}
+          multiColumn={multiColumn}
+          errorType='error'
+        />
+      );
+    }
+
+    return (
+      <BundleContainer fetchComponent={component} loading={this.renderLoading} error={this.renderError}>
+        {Component => <Component params={match.params} multiColumn={multiColumn} {...componentParams}>{content}</Component>}
+      </BundleContainer>
+    );
+  };
+
+  renderLoading = () => {
+    const { multiColumn } = this.props;
+
+    return <ColumnLoading multiColumn={multiColumn} />;
+  };
+
+  renderError = (props) => {
+    return <BundleColumnError {...props} errorType='network' />;
+  };
+
+  render () {
+    const { component: Component, content, ...rest } = this.props;
+
+    return <Route {...rest} render={this.renderComponent} />;
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/ui/util/reduced_motion.js b/app/javascript/flavours/glitch/features/ui/util/reduced_motion.js
new file mode 100644
index 000000000..1123b80ed
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/util/reduced_motion.js
@@ -0,0 +1,44 @@
+// Like react-motion's Motion, but reduces all animations to cross-fades
+// for the benefit of users with motion sickness.
+import React from 'react';
+import Motion from 'react-motion/lib/Motion';
+import PropTypes from 'prop-types';
+
+const stylesToKeep = ['opacity', 'backgroundOpacity'];
+
+const extractValue = (value) => {
+  // This is either an object with a "val" property or it's a number
+  return (typeof value === 'object' && value && 'val' in value) ? value.val : value;
+};
+
+class ReducedMotion extends React.Component {
+
+  static propTypes = {
+    defaultStyle: PropTypes.object,
+    style: PropTypes.object,
+    children: PropTypes.func,
+  };
+
+  render() {
+
+    const { style, defaultStyle, children } = this.props;
+
+    Object.keys(style).forEach(key => {
+      if (stylesToKeep.includes(key)) {
+        return;
+      }
+      // If it's setting an x or height or scale or some other value, we need
+      // to preserve the end-state value without actually animating it
+      style[key] = defaultStyle[key] = extractValue(style[key]);
+    });
+
+    return (
+      <Motion style={style} defaultStyle={defaultStyle}>
+        {children}
+      </Motion>
+    );
+  }
+
+}
+
+export default ReducedMotion;
diff --git a/app/javascript/flavours/glitch/features/ui/util/schedule_idle_task.js b/app/javascript/flavours/glitch/features/ui/util/schedule_idle_task.js
new file mode 100644
index 000000000..b04d4a8ee
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/ui/util/schedule_idle_task.js
@@ -0,0 +1,29 @@
+// Wrapper to call requestIdleCallback() to schedule low-priority work.
+// See https://developer.mozilla.org/en-US/docs/Web/API/Background_Tasks_API
+// for a good breakdown of the concepts behind this.
+
+import Queue from 'tiny-queue';
+
+const taskQueue = new Queue();
+let runningRequestIdleCallback = false;
+
+function runTasks(deadline) {
+  while (taskQueue.length && deadline.timeRemaining() > 0) {
+    taskQueue.shift()();
+  }
+  if (taskQueue.length) {
+    requestIdleCallback(runTasks);
+  } else {
+    runningRequestIdleCallback = false;
+  }
+}
+
+function scheduleIdleTask(task) {
+  taskQueue.push(task);
+  if (!runningRequestIdleCallback) {
+    runningRequestIdleCallback = true;
+    requestIdleCallback(runTasks);
+  }
+}
+
+export default scheduleIdleTask;