diff --git a/package.json b/package.json
index 616f3f541e..7ba69c4272 100644
--- a/package.json
+++ b/package.json
@@ -89,7 +89,6 @@
     "qrcode-react": "^0.1.16",
     "qs": "^6.6.0",
     "react": "^16.9.0",
-    "react-addons-css-transition-group": "15.6.2",
     "react-beautiful-dnd": "^4.0.1",
     "react-dom": "^16.9.0",
     "react-focus-lock": "^2.2.1",
diff --git a/res/css/_components.scss b/res/css/_components.scss
index 8706772ad9..a5dc87a952 100644
--- a/res/css/_components.scss
+++ b/res/css/_components.scss
@@ -94,6 +94,7 @@
 @import "./views/elements/_AccessibleButton.scss";
 @import "./views/elements/_AddressSelector.scss";
 @import "./views/elements/_AddressTile.scss";
+@import "./views/elements/_ButtonPlaceholder.scss";
 @import "./views/elements/_DirectorySearchBox.scss";
 @import "./views/elements/_Dropdown.scss";
 @import "./views/elements/_EditableItemList.scss";
@@ -133,6 +134,7 @@
 @import "./views/messages/_MNoticeBody.scss";
 @import "./views/messages/_MStickerBody.scss";
 @import "./views/messages/_MTextBody.scss";
+@import "./views/messages/_MVideoBody.scss";
 @import "./views/messages/_MessageActionBar.scss";
 @import "./views/messages/_MessageTimestamp.scss";
 @import "./views/messages/_MjolnirBody.scss";
diff --git a/res/css/structures/auth/_CompleteSecurity.scss b/res/css/structures/auth/_CompleteSecurity.scss
index 3050840fe8..80e7aaada0 100644
--- a/res/css/structures/auth/_CompleteSecurity.scss
+++ b/res/css/structures/auth/_CompleteSecurity.scss
@@ -44,6 +44,7 @@ limitations under the License.
 .mx_CompleteSecurity_actionRow {
     display: flex;
     justify-content: flex-end;
+    margin-top: $font-28px;
 
     .mx_AccessibleButton {
         margin-inline-start: 18px;
diff --git a/res/css/views/elements/_ButtonPlaceholder.scss b/res/css/views/elements/_ButtonPlaceholder.scss
new file mode 100644
index 0000000000..858fcdecf6
--- /dev/null
+++ b/res/css/views/elements/_ButtonPlaceholder.scss
@@ -0,0 +1,24 @@
+/*
+Copyright 2020 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+.mx_ButtonPlaceholder {
+    font-size: $font-14px;
+    font-weight: 600;
+    padding: 7px 18px;
+    display: inline-block;
+    text-align: center;
+    color: $authpage-secondary-color;
+}
diff --git a/res/css/views/messages/_MVideoBody.scss b/res/css/views/messages/_MVideoBody.scss
new file mode 100644
index 0000000000..3b05c53f34
--- /dev/null
+++ b/res/css/views/messages/_MVideoBody.scss
@@ -0,0 +1,22 @@
+/*
+Copyright 2020 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+span.mx_MVideoBody {
+    video.mx_MVideoBody {
+        max-width: 100%;
+        height: auto;
+    }
+}
diff --git a/res/css/views/messages/_ReactionsRowButton.scss b/res/css/views/messages/_ReactionsRowButton.scss
index 941153ca5b..fe5b081042 100644
--- a/res/css/views/messages/_ReactionsRowButton.scss
+++ b/res/css/views/messages/_ReactionsRowButton.scss
@@ -34,12 +34,17 @@ limitations under the License.
         background-color: $reaction-row-button-selected-bg-color;
         border-color: $reaction-row-button-selected-border-color;
     }
-}
 
-.mx_ReactionsRowButton_content {
-    max-width: 100px;
-    overflow: hidden;
-    white-space: nowrap;
-    text-overflow: ellipsis;
-    padding-right: 4px;
+    // ignore mouse events for all children, treat it as one entire hoverable entity
+    * {
+        pointer-events: none;
+    }
+
+    .mx_ReactionsRowButton_content {
+        max-width: 100px;
+        overflow: hidden;
+        white-space: nowrap;
+        text-overflow: ellipsis;
+        padding-right: 4px;
+    }
 }
diff --git a/res/css/views/rooms/_BasicMessageComposer.scss b/res/css/views/rooms/_BasicMessageComposer.scss
index cc76623a8c..e9013eb7b7 100644
--- a/res/css/views/rooms/_BasicMessageComposer.scss
+++ b/res/css/views/rooms/_BasicMessageComposer.scss
@@ -44,27 +44,29 @@ limitations under the License.
         outline: none;
         overflow-x: hidden;
 
-        span.mx_UserPill, span.mx_RoomPill {
-            padding-left: 21px;
-            position: relative;
+        &.mx_BasicMessageComposer_input_shouldShowPillAvatar {
+            span.mx_UserPill, span.mx_RoomPill {
+                padding-left: 21px;
+                position: relative;
 
-            // avatar psuedo element
-            &::before {
-                position: absolute;
-                left: 2px;
-                top: 2px;
-                content: var(--avatar-letter);
-                width: 16px;
-                height: 16px;
-                background: var(--avatar-background), $avatar-bg-color;
-                color: $avatar-initial-color;
-                background-repeat: no-repeat;
-                background-size: 16px;
-                border-radius: 8px;
-                text-align: center;
-                font-weight: normal;
-                line-height: $font-16px;
-                font-size: $font-10-4px;
+                // avatar psuedo element
+                &::before {
+                    position: absolute;
+                    left: 2px;
+                    top: 2px;
+                    content: var(--avatar-letter);
+                    width: 16px;
+                    height: 16px;
+                    background: var(--avatar-background), $avatar-bg-color;
+                    color: $avatar-initial-color;
+                    background-repeat: no-repeat;
+                    background-size: 16px;
+                    border-radius: 8px;
+                    text-align: center;
+                    font-weight: normal;
+                    line-height: $font-16px;
+                    font-size: $font-10-4px;
+                }
             }
         }
     }
diff --git a/src/BasePlatform.js b/src/BasePlatform.js
index 5d809eb28f..7214031586 100644
--- a/src/BasePlatform.js
+++ b/src/BasePlatform.js
@@ -188,4 +188,8 @@ export default class BasePlatform {
         const callbackUrl = this.getSSOCallbackUrl(mxClient.getHomeserverUrl(), mxClient.getIdentityServerUrl());
         window.location.href = mxClient.getSsoLoginUrl(callbackUrl.toString(), loginType); // redirect to SSO
     }
+
+    onKeyDown(ev: KeyboardEvent): boolean {
+        return false; // no shortcuts implemented
+    }
 }
diff --git a/src/CrossSigningManager.js b/src/CrossSigningManager.js
index 1bcf1ba706..07ec776bd1 100644
--- a/src/CrossSigningManager.js
+++ b/src/CrossSigningManager.js
@@ -185,7 +185,7 @@ export async function promptForBackupPassphrase() {
 
     const RestoreKeyBackupDialog = sdk.getComponent('dialogs.keybackup.RestoreKeyBackupDialog');
     const { finished } = Modal.createTrackedDialog('Restore Backup', '', RestoreKeyBackupDialog, {
-            showSummary: false, keyCallback: k => key = k,
+        showSummary: false, keyCallback: k => key = k,
     }, null, /* priority = */ false, /* static = */ true);
 
     const success = await finished;
diff --git a/src/Keyboard.ts b/src/Keyboard.ts
index 23e2bbf0d6..7040898872 100644
--- a/src/Keyboard.ts
+++ b/src/Keyboard.ts
@@ -43,6 +43,8 @@ export const Key = {
     BACKTICK: "`",
     SPACE: " ",
     SLASH: "/",
+    SQUARE_BRACKET_LEFT: "[",
+    SQUARE_BRACKET_RIGHT: "]",
     A: "a",
     B: "b",
     C: "c",
diff --git a/src/ScalarMessaging.js b/src/ScalarMessaging.js
index 9be7730c3a..607f702c73 100644
--- a/src/ScalarMessaging.js
+++ b/src/ScalarMessaging.js
@@ -172,6 +172,7 @@ Request:
 Response:
 [
     {
+        // TODO: Enable support for m.widget event type (https://github.com/vector-im/riot-web/issues/13111)
         type: "im.vector.modular.widgets",
         state_key: "wid1",
         content: {
@@ -190,6 +191,7 @@ Example:
     room_id: "!foo:bar",
     response: [
         {
+            // TODO: Enable support for m.widget event type (https://github.com/vector-im/riot-web/issues/13111)
             type: "im.vector.modular.widgets",
             state_key: "wid1",
             content: {
diff --git a/src/SlashCommands.tsx b/src/SlashCommands.tsx
index 0afea63a78..d38dfc210a 100644
--- a/src/SlashCommands.tsx
+++ b/src/SlashCommands.tsx
@@ -351,7 +351,7 @@ export const Commands = [
                 return success(cli.setRoomTopic(roomId, args));
             }
             const room = cli.getRoom(roomId);
-            if (!room) return reject('Bad room ID: ' + roomId);
+            if (!room) return reject(_t("Failed to set topic"));
 
             const topicEvents = room.currentState.getStateEvents('m.room.topic', '');
             const topic = topicEvents && topicEvents.getContent().topic;
@@ -722,9 +722,10 @@ export const Commands = [
                     if (!isNaN(powerLevel)) {
                         const cli = MatrixClientPeg.get();
                         const room = cli.getRoom(roomId);
-                        if (!room) return reject('Bad room ID: ' + roomId);
+                        if (!room) return reject(_t("Command failed"));
 
                         const powerLevelEvent = room.currentState.getStateEvents('m.room.power_levels', '');
+                        if (!powerLevelEvent.getContent().users[args]) return reject(_t("Could not find user in room"));
                         return success(cli.setPowerLevel(roomId, userId, powerLevel, powerLevelEvent));
                     }
                 }
@@ -743,9 +744,10 @@ export const Commands = [
                 if (matches) {
                     const cli = MatrixClientPeg.get();
                     const room = cli.getRoom(roomId);
-                    if (!room) return reject('Bad room ID: ' + roomId);
+                    if (!room) return reject(_t("Command failed"));
 
                     const powerLevelEvent = room.currentState.getStateEvents('m.room.power_levels', '');
+                    if (!powerLevelEvent.getContent().users[args]) return reject(_t("Could not find user in room"));
                     return success(cli.setPowerLevel(roomId, args, undefined, powerLevelEvent));
                 }
             }
@@ -915,7 +917,7 @@ export const Commands = [
     // Command definitions for autocompletion ONLY:
     // /me is special because its not handled by SlashCommands.js and is instead done inside the Composer classes
     new Command({
-        command: 'me',
+        command: "me",
         args: '<message>',
         description: _td('Displays action'),
         category: CommandCategories.messages,
@@ -932,16 +934,7 @@ Commands.forEach(cmd => {
     });
 });
 
-
-/**
- * Process the given text for /commands and return a bound method to perform them.
- * @param {string} roomId The room in which the command was performed.
- * @param {string} input The raw text input by the user.
- * @return {null|function(): Object} Function returning an object with the property 'error' if there was an error
- * processing the command, or 'promise' if a request was sent out.
- * Returns null if the input didn't match a command.
- */
-export function getCommand(roomId, input) {
+export function parseCommandString(input) {
     // trim any trailing whitespace, as it can confuse the parser for
     // IRC-style commands
     input = input.replace(/\s+$/, '');
@@ -957,6 +950,20 @@ export function getCommand(roomId, input) {
         cmd = input;
     }
 
+    return {cmd, args};
+}
+
+/**
+ * Process the given text for /commands and return a bound method to perform them.
+ * @param {string} roomId The room in which the command was performed.
+ * @param {string} input The raw text input by the user.
+ * @return {null|function(): Object} Function returning an object with the property 'error' if there was an error
+ * processing the command, or 'promise' if a request was sent out.
+ * Returns null if the input didn't match a command.
+ */
+export function getCommand(roomId, input) {
+    const {cmd, args} = parseCommandString(input);
+
     if (CommandMap.has(cmd)) {
         return () => CommandMap.get(cmd).run(roomId, args, cmd);
     }
diff --git a/src/TextForEvent.js b/src/TextForEvent.js
index 6b1c1dcd2d..3607d7a676 100644
--- a/src/TextForEvent.js
+++ b/src/TextForEvent.js
@@ -603,6 +603,7 @@ const stateHandlers = {
     'm.room.guest_access': textForGuestAccessEvent,
     'm.room.related_groups': textForRelatedGroupsEvent,
 
+    // TODO: Enable support for m.widget event type (https://github.com/vector-im/riot-web/issues/13111)
     'im.vector.modular.widgets': textForWidgetEvent,
 };
 
diff --git a/src/async-components/views/dialogs/secretstorage/CreateSecretStorageDialog.js b/src/async-components/views/dialogs/secretstorage/CreateSecretStorageDialog.js
index 01a2856df0..d63db617d5 100644
--- a/src/async-components/views/dialogs/secretstorage/CreateSecretStorageDialog.js
+++ b/src/async-components/views/dialogs/secretstorage/CreateSecretStorageDialog.js
@@ -70,6 +70,7 @@ export default class CreateSecretStorageDialog extends React.PureComponent {
         this._recoveryKey = null;
         this._recoveryKeyNode = null;
         this._setZxcvbnResultTimeout = null;
+        this._backupKey = null;
 
         this.state = {
             phase: PHASE_LOADING,
@@ -243,7 +244,15 @@ export default class CreateSecretStorageDialog extends React.PureComponent {
                     createSecretStorageKey: async () => this._recoveryKey,
                     keyBackupInfo: this.state.backupInfo,
                     setupNewKeyBackup: !this.state.backupInfo && this.state.useKeyBackup,
-                    getKeyBackupPassphrase: promptForBackupPassphrase,
+                    getKeyBackupPassphrase: () => {
+                        // We may already have the backup key if we earlier went
+                        // through the restore backup path, so pass it along
+                        // rather than prompting again.
+                        if (this._backupKey) {
+                            return this._backupKey;
+                        }
+                        return promptForBackupPassphrase();
+                    },
                 });
             }
             this.setState({
@@ -272,10 +281,18 @@ export default class CreateSecretStorageDialog extends React.PureComponent {
     }
 
     _restoreBackup = async () => {
+        // It's possible we'll need the backup key later on for bootstrapping,
+        // so let's stash it here, rather than prompting for it twice.
+        const keyCallback = k => this._backupKey = k;
+
         const RestoreKeyBackupDialog = sdk.getComponent('dialogs.keybackup.RestoreKeyBackupDialog');
         const { finished } = Modal.createTrackedDialog(
-            'Restore Backup', '', RestoreKeyBackupDialog, {showSummary: false}, null,
-            /* priority = */ false, /* static = */ false,
+            'Restore Backup', '', RestoreKeyBackupDialog,
+            {
+                showSummary: false,
+                keyCallback,
+            },
+            null, /* priority = */ false, /* static = */ false,
         );
 
         await finished;
diff --git a/src/autocomplete/EmojiProvider.js b/src/autocomplete/EmojiProvider.js
index 9373ed662e..670776644e 100644
--- a/src/autocomplete/EmojiProvider.js
+++ b/src/autocomplete/EmojiProvider.js
@@ -100,6 +100,8 @@ export default class EmojiProvider extends AutocompleteProvider {
 
             // then sort by score (Infinity if matchedString not in shortname)
             sorters.push((c) => score(matchedString, c.shortname));
+            // then sort by max score of all shortcodes, trim off the `:`
+            sorters.push((c) => Math.min(...c.emoji.shortcodes.map(s => score(matchedString.substring(1), s))));
             // If the matchedString is not empty, sort by length of shortname. Example:
             //  matchedString = ":bookmark"
             //  completions = [":bookmark:", ":bookmark_tabs:", ...]
diff --git a/src/components/structures/LoggedInView.js b/src/components/structures/LoggedInView.tsx
similarity index 86%
rename from src/components/structures/LoggedInView.js
rename to src/components/structures/LoggedInView.tsx
index d9980aeca6..9de2aac8e9 100644
--- a/src/components/structures/LoggedInView.js
+++ b/src/components/structures/LoggedInView.tsx
@@ -1,7 +1,7 @@
 /*
 Copyright 2015, 2016 OpenMarket Ltd
 Copyright 2017 Vector Creations Ltd
-Copyright 2017, 2018 New Vector Ltd
+Copyright 2017, 2018, 2020 New Vector Ltd
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -16,10 +16,10 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import { MatrixClient } from 'matrix-js-sdk';
-import React, {createRef} from 'react';
-import createReactClass from 'create-react-class';
-import PropTypes from 'prop-types';
+import * as React from 'react';
+import * as PropTypes from 'prop-types';
+import { MatrixClient } from 'matrix-js-sdk/src/client';
+import { MatrixEvent } from 'matrix-js-sdk/src/models/event';
 import { DragDropContext } from 'react-beautiful-dnd';
 
 import {Key, isOnlyCtrlOrCmdKeyEvent, isOnlyCtrlOrCmdIgnoreShiftKeyEvent} from '../../Keyboard';
@@ -29,7 +29,7 @@ import { fixupColorFonts } from '../../utils/FontManager';
 import * as sdk from '../../index';
 import dis from '../../dispatcher';
 import sessionStore from '../../stores/SessionStore';
-import {MatrixClientPeg} from '../../MatrixClientPeg';
+import {MatrixClientPeg, MatrixClientCreds} from '../../MatrixClientPeg';
 import SettingsStore from "../../settings/SettingsStore";
 import RoomListStore from "../../stores/RoomListStore";
 
@@ -40,6 +40,8 @@ import {Resizer, CollapseDistributor} from '../../resizer';
 import MatrixClientContext from "../../contexts/MatrixClientContext";
 import * as KeyboardShortcuts from "../../accessibility/KeyboardShortcuts";
 import HomePage from "./HomePage";
+import ResizeNotifier from "../../utils/ResizeNotifier";
+import PlatformPeg from "../../PlatformPeg";
 // We need to fetch each pinned message individually (if we don't already have it)
 // so each pinned message may trigger a request. Limit the number per room for sanity.
 // NB. this is just for server notices rather than pinned messages in general.
@@ -52,6 +54,52 @@ function canElementReceiveInput(el) {
         !!el.getAttribute("contenteditable");
 }
 
+interface IProps {
+    matrixClient: MatrixClient;
+    onRegistered: (credentials: MatrixClientCreds) => Promise<MatrixClient>;
+    viaServers?: string[];
+    hideToSRUsers: boolean;
+    resizeNotifier: ResizeNotifier;
+    middleDisabled: boolean;
+    initialEventPixelOffset: number;
+    leftDisabled: boolean;
+    rightDisabled: boolean;
+    showCookieBar: boolean;
+    hasNewVersion: boolean;
+    userHasGeneratedPassword: boolean;
+    showNotifierToolbar: boolean;
+    page_type: string;
+    autoJoin: boolean;
+    thirdPartyInvite?: object;
+    roomOobData?: object;
+    currentRoomId: string;
+    ConferenceHandler?: object;
+    collapseLhs: boolean;
+    checkingForUpdate: boolean;
+    config: {
+        piwik: {
+            policyUrl: string;
+        },
+        [key: string]: any,
+    };
+    currentUserId?: string;
+    currentGroupId?: string;
+    currentGroupIsNew?: boolean;
+    version?: string;
+    newVersion?: string;
+    newVersionReleaseNotes?: string;
+}
+interface IState {
+    mouseDown?: {
+        x: number;
+        y: number;
+    };
+    syncErrorData: any;
+    useCompactLayout: boolean;
+    serverNoticeEvents: MatrixEvent[];
+    userHasGeneratedPassword: boolean;
+}
+
 /**
  * This is what our MatrixChat shows when we are logged in. The precise view is
  * determined by the page_type property.
@@ -61,10 +109,10 @@ function canElementReceiveInput(el) {
  *
  * Components mounted below us can access the matrix client via the react context.
  */
-const LoggedInView = createReactClass({
-    displayName: 'LoggedInView',
+class LoggedInView extends React.PureComponent<IProps, IState> {
+    static displayName = 'LoggedInView';
 
-    propTypes: {
+    static propTypes = {
         matrixClient: PropTypes.instanceOf(MatrixClient).isRequired,
         page_type: PropTypes.string.isRequired,
         onRoomCreated: PropTypes.func,
@@ -77,25 +125,28 @@ const LoggedInView = createReactClass({
         viaServers: PropTypes.arrayOf(PropTypes.string),
 
         // and lots and lots of other stuff.
-    },
+    };
 
-    getInitialState: function() {
-        return {
+    protected readonly _matrixClient: MatrixClient;
+    protected readonly _roomView: React.RefObject<any>;
+    protected readonly _resizeContainer: React.RefObject<ResizeHandle>;
+    protected readonly _sessionStore: sessionStore;
+    protected readonly _sessionStoreToken: { remove: () => void };
+    protected resizer: Resizer;
+
+    constructor(props, context) {
+        super(props, context);
+
+        this.state = {
+            mouseDown: undefined,
+            syncErrorData: undefined,
+            userHasGeneratedPassword: false,
             // use compact timeline view
             useCompactLayout: SettingsStore.getValue('useCompactLayout'),
             // any currently active server notice events
             serverNoticeEvents: [],
         };
-    },
 
-    componentDidMount: function() {
-        this.resizer = this._createResizer();
-        this.resizer.attach();
-        this._loadResizerPreferences();
-    },
-
-    // TODO: [REACT-WARNING] Replace component with real class, use constructor for refs
-    UNSAFE_componentWillMount: function() {
         // stash the MatrixClient in case we log out before we are unmounted
         this._matrixClient = this.props.matrixClient;
 
@@ -117,22 +168,29 @@ const LoggedInView = createReactClass({
 
         fixupColorFonts();
 
-        this._roomView = createRef();
-    },
+        this._roomView = React.createRef();
+        this._resizeContainer = React.createRef();
+    }
 
-    componentDidUpdate(prevProps) {
+    componentDidMount() {
+        this.resizer = this._createResizer();
+        this.resizer.attach();
+        this._loadResizerPreferences();
+    }
+
+    componentDidUpdate(prevProps, prevState) {
         // attempt to guess when a banner was opened or closed
         if (
             (prevProps.showCookieBar !== this.props.showCookieBar) ||
             (prevProps.hasNewVersion !== this.props.hasNewVersion) ||
-            (prevProps.userHasGeneratedPassword !== this.props.userHasGeneratedPassword) ||
+            (prevState.userHasGeneratedPassword !== this.state.userHasGeneratedPassword) ||
             (prevProps.showNotifierToolbar !== this.props.showNotifierToolbar)
         ) {
             this.props.resizeNotifier.notifyBannersChanged();
         }
-    },
+    }
 
-    componentWillUnmount: function() {
+    componentWillUnmount() {
         document.removeEventListener('keydown', this._onNativeKeyDown, false);
         this._matrixClient.removeListener("accountData", this.onAccountData);
         this._matrixClient.removeListener("sync", this.onSync);
@@ -141,7 +199,7 @@ const LoggedInView = createReactClass({
             this._sessionStoreToken.remove();
         }
         this.resizer.detach();
-    },
+    }
 
     // Child components assume that the client peg will not be null, so give them some
     // sort of assurance here by only allowing a re-render if the client is truthy.
@@ -149,22 +207,22 @@ const LoggedInView = createReactClass({
     // This is required because `LoggedInView` maintains its own state and if this state
     // updates after the client peg has been made null (during logout), then it will
     // attempt to re-render and the children will throw errors.
-    shouldComponentUpdate: function() {
+    shouldComponentUpdate() {
         return Boolean(MatrixClientPeg.get());
-    },
+    }
 
-    canResetTimelineInRoom: function(roomId) {
+    canResetTimelineInRoom = (roomId) => {
         if (!this._roomView.current) {
             return true;
         }
         return this._roomView.current.canResetTimeline();
-    },
+    };
 
-    _setStateFromSessionStore() {
+    _setStateFromSessionStore = () => {
         this.setState({
             userHasGeneratedPassword: Boolean(this._sessionStore.getCachedPassword()),
         });
-    },
+    };
 
     _createResizer() {
         const classNames = {
@@ -188,24 +246,22 @@ const LoggedInView = createReactClass({
             },
         };
         const resizer = new Resizer(
-            this.resizeContainer,
+            this._resizeContainer.current,
             CollapseDistributor,
             collapseConfig);
         resizer.setClassNames(classNames);
         return resizer;
-    },
+    }
 
     _loadResizerPreferences() {
-        let lhsSize = window.localStorage.getItem("mx_lhs_size");
-        if (lhsSize !== null) {
-            lhsSize = parseInt(lhsSize, 10);
-        } else {
+        let lhsSize = parseInt(window.localStorage.getItem("mx_lhs_size"), 10);
+        if (isNaN(lhsSize)) {
             lhsSize = 350;
         }
         this.resizer.forHandleAt(0).resize(lhsSize);
-    },
+    }
 
-    onAccountData: function(event) {
+    onAccountData = (event) => {
         if (event.getType() === "im.vector.web.settings") {
             this.setState({
                 useCompactLayout: event.getContent().useCompactLayout,
@@ -214,9 +270,9 @@ const LoggedInView = createReactClass({
         if (event.getType() === "m.ignored_user_list") {
             dis.dispatch({action: "ignore_state_changed"});
         }
-    },
+    };
 
-    onSync: function(syncState, oldSyncState, data) {
+    onSync = (syncState, oldSyncState, data) => {
         const oldErrCode = (
             this.state.syncErrorData &&
             this.state.syncErrorData.error &&
@@ -238,16 +294,16 @@ const LoggedInView = createReactClass({
         if (oldSyncState === 'PREPARED' && syncState === 'SYNCING') {
             this._updateServerNoticeEvents();
         }
-    },
+    };
 
-    onRoomStateEvents: function(ev, state) {
+    onRoomStateEvents = (ev, state) => {
         const roomLists = RoomListStore.getRoomLists();
         if (roomLists['m.server_notice'] && roomLists['m.server_notice'].some(r => r.roomId === ev.getRoomId())) {
             this._updateServerNoticeEvents();
         }
-    },
+    };
 
-    _updateServerNoticeEvents: async function() {
+    _updateServerNoticeEvents = async () => {
         const roomLists = RoomListStore.getRoomLists();
         if (!roomLists['m.server_notice']) return [];
 
@@ -260,16 +316,16 @@ const LoggedInView = createReactClass({
             const pinnedEventIds = pinStateEvent.getContent().pinned.slice(0, MAX_PINNED_NOTICES_PER_ROOM);
             for (const eventId of pinnedEventIds) {
                 const timeline = await this._matrixClient.getEventTimeline(room.getUnfilteredTimelineSet(), eventId, 0);
-                const ev = timeline.getEvents().find(ev => ev.getId() === eventId);
-                if (ev) pinnedEvents.push(ev);
+                const event = timeline.getEvents().find(ev => ev.getId() === eventId);
+                if (event) pinnedEvents.push(event);
             }
         }
         this.setState({
             serverNoticeEvents: pinnedEvents,
         });
-    },
+    };
 
-    _onPaste: function(ev) {
+    _onPaste = (ev) => {
         let canReceiveInput = false;
         let element = ev.target;
         // test for all parents because the target can be a child of a contenteditable element
@@ -283,7 +339,7 @@ const LoggedInView = createReactClass({
             // so dispatch synchronously before paste happens
             dis.dispatch({action: 'focus_composer'}, true);
         }
-    },
+    };
 
     /*
     SOME HACKERY BELOW:
@@ -307,22 +363,22 @@ const LoggedInView = createReactClass({
     We also listen with a native listener on the document to get keydown events when no element is focused.
     Bubbling is irrelevant here as the target is the body element.
     */
-    _onReactKeyDown: function(ev) {
+    _onReactKeyDown = (ev) => {
         // events caught while bubbling up on the root element
         // of this component, so something must be focused.
         this._onKeyDown(ev);
-    },
+    };
 
-    _onNativeKeyDown: function(ev) {
+    _onNativeKeyDown = (ev) => {
         // only pass this if there is no focused element.
         // if there is, _onKeyDown will be called by the
         // react keydown handler that respects the react bubbling order.
         if (ev.target === document.body) {
             this._onKeyDown(ev);
         }
-    },
+    };
 
-    _onKeyDown: function(ev) {
+    _onKeyDown = (ev) => {
             /*
             // Remove this for now as ctrl+alt = alt-gr so this breaks keyboards which rely on alt-gr for numbers
             // Will need to find a better meta key if anyone actually cares about using this.
@@ -407,6 +463,11 @@ const LoggedInView = createReactClass({
                     });
                     handled = true;
                 }
+                break;
+
+            default:
+                // if we do not have a handler for it, pass it to the platform which might
+                handled = PlatformPeg.get().onKeyDown(ev);
         }
 
         if (handled) {
@@ -432,19 +493,19 @@ const LoggedInView = createReactClass({
                 // that would prevent typing in the now-focussed composer
             }
         }
-    },
+    };
 
     /**
      * dispatch a page-up/page-down/etc to the appropriate component
      * @param {Object} ev The key event
      */
-    _onScrollKeyPressed: function(ev) {
+    _onScrollKeyPressed = (ev) => {
         if (this._roomView.current) {
             this._roomView.current.handleScrollKey(ev);
         }
-    },
+    };
 
-    _onDragEnd: function(result) {
+    _onDragEnd = (result) => {
         // Dragged to an invalid destination, not onto a droppable
         if (!result.destination) {
             return;
@@ -467,9 +528,9 @@ const LoggedInView = createReactClass({
         } else if (dest.startsWith('room-sub-list-droppable_')) {
             this._onRoomTileEndDrag(result);
         }
-    },
+    };
 
-    _onRoomTileEndDrag: function(result) {
+    _onRoomTileEndDrag = (result) => {
         let newTag = result.destination.droppableId.split('_')[1];
         let prevTag = result.source.droppableId.split('_')[1];
         if (newTag === 'undefined') newTag = undefined;
@@ -486,9 +547,9 @@ const LoggedInView = createReactClass({
             prevTag, newTag,
             oldIndex, newIndex,
         ), true);
-    },
+    };
 
-    _onMouseDown: function(ev) {
+    _onMouseDown = (ev) => {
         // When the panels are disabled, clicking on them results in a mouse event
         // which bubbles to certain elements in the tree. When this happens, close
         // any settings page that is currently open (user/room/group).
@@ -507,9 +568,9 @@ const LoggedInView = createReactClass({
                 });
             }
         }
-    },
+    };
 
-    _onMouseUp: function(ev) {
+    _onMouseUp = (ev) => {
         if (!this.state.mouseDown) return;
 
         const deltaX = ev.pageX - this.state.mouseDown.x;
@@ -528,13 +589,9 @@ const LoggedInView = createReactClass({
         // Always clear the mouseDown state to ensure we don't accidentally
         // use stale values due to the mouseDown checks.
         this.setState({mouseDown: null});
-    },
+    };
 
-    _setResizeContainerRef(div) {
-        this.resizeContainer = div;
-    },
-
-    render: function() {
+    render() {
         const LeftPanel = sdk.getComponent('structures.LeftPanel');
         const RoomView = sdk.getComponent('structures.RoomView');
         const UserView = sdk.getComponent('structures.UserView');
@@ -647,7 +704,7 @@ const LoggedInView = createReactClass({
                     { topBar }
                     <ToastContainer />
                     <DragDropContext onDragEnd={this._onDragEnd}>
-                        <div ref={this._setResizeContainerRef} className={bodyClasses}>
+                        <div ref={this._resizeContainer} className={bodyClasses}>
                             <LeftPanel
                                 resizeNotifier={this.props.resizeNotifier}
                                 collapsed={this.props.collapseLhs || false}
@@ -660,7 +717,7 @@ const LoggedInView = createReactClass({
                 </div>
             </MatrixClientContext.Provider>
         );
-    },
-});
+    }
+}
 
 export default LoggedInView;
diff --git a/src/components/structures/RoomView.js b/src/components/structures/RoomView.js
index 90bf3a5a99..78bd34bf7f 100644
--- a/src/components/structures/RoomView.js
+++ b/src/components/structures/RoomView.js
@@ -49,7 +49,6 @@ import RoomViewStore from '../../stores/RoomViewStore';
 import RoomScrollStateStore from '../../stores/RoomScrollStateStore';
 import WidgetEchoStore from '../../stores/WidgetEchoStore';
 import SettingsStore, {SettingLevel} from "../../settings/SettingsStore";
-import WidgetUtils from '../../utils/WidgetUtils';
 import AccessibleButton from "../views/elements/AccessibleButton";
 import RightPanelStore from "../../stores/RightPanelStore";
 import {haveTileForEvent} from "../views/rooms/EventTile";
@@ -406,13 +405,9 @@ export default createReactClass({
         const hideWidgetDrawer = localStorage.getItem(
             room.roomId + "_hide_widget_drawer");
 
-        if (hideWidgetDrawer === "true") {
-            return false;
-        }
-
-        const widgets = WidgetEchoStore.getEchoedRoomWidgets(room.roomId, WidgetUtils.getRoomWidgets(room));
-
-        return widgets.length > 0 || WidgetEchoStore.roomHasPendingWidgets(room.roomId, WidgetUtils.getRoomWidgets(room));
+        // This is confusing, but it means to say that we default to the tray being
+        // hidden unless the user clicked to open it.
+        return hideWidgetDrawer === "false";
     },
 
     componentDidMount: function() {
diff --git a/src/components/structures/auth/SetupEncryptionBody.js b/src/components/structures/auth/SetupEncryptionBody.js
index c7c73cd616..a982957ed0 100644
--- a/src/components/structures/auth/SetupEncryptionBody.js
+++ b/src/components/structures/auth/SetupEncryptionBody.js
@@ -108,14 +108,13 @@ export default class SetupEncryptionBody extends React.Component {
                 member={MatrixClientPeg.get().getUser(this.state.verificationRequest.otherUserId)}
             />;
         } else if (phase === PHASE_INTRO) {
-            const InlineSpinner = sdk.getComponent('elements.InlineSpinner');
+            const ButtonPlaceholder = sdk.getComponent("elements.ButtonPlaceholder");
             return (
                 <div>
                     <p>{_t(
-                        "Open an existing session & use it to verify this one, " +
+                        "Use an existing session to verify this one, " +
                         "granting it access to encrypted messages.",
                     )}</p>
-                    <p className="mx_CompleteSecurity_waiting"><InlineSpinner />{_t("Waiting…")}</p>
                     <p>{_t(
                         "If you can’t access one, <button>use your recovery key or passphrase.</button>",
                     {}, {
@@ -133,6 +132,7 @@ export default class SetupEncryptionBody extends React.Component {
                         >
                             {_t("Skip")}
                         </AccessibleButton>
+                        <ButtonPlaceholder>{_t("Use your other device to continue…")}</ButtonPlaceholder>
                     </div>
                 </div>
             );
diff --git a/src/components/views/dialogs/CreateRoomDialog.js b/src/components/views/dialogs/CreateRoomDialog.js
index 88e90627e8..f18e28b85e 100644
--- a/src/components/views/dialogs/CreateRoomDialog.js
+++ b/src/components/views/dialogs/CreateRoomDialog.js
@@ -66,7 +66,7 @@ export default createReactClass({
         }
 
         if (!this.state.isPublic && SettingsStore.isFeatureEnabled("feature_cross_signing")) {
-            createOpts.encryption = this.state.isEncrypted;
+            opts.encryption = this.state.isEncrypted;
         }
 
         return opts;
diff --git a/src/components/views/elements/ButtonPlaceholder.js b/src/components/views/elements/ButtonPlaceholder.js
new file mode 100644
index 0000000000..9c40df9db6
--- /dev/null
+++ b/src/components/views/elements/ButtonPlaceholder.js
@@ -0,0 +1,19 @@
+/*
+Copyright 2020 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+export default function ButtonPlaceholder(props) {
+    return <div class="mx_ButtonPlaceholder">{props.children}</div>;
+}
diff --git a/src/components/views/rooms/AppsDrawer.js b/src/components/views/rooms/AppsDrawer.js
index f7c5e8122f..b64eb33435 100644
--- a/src/components/views/rooms/AppsDrawer.js
+++ b/src/components/views/rooms/AppsDrawer.js
@@ -81,12 +81,14 @@ export default createReactClass({
         const hideWidgetKey = this.props.room.roomId + '_hide_widget_drawer';
         switch (action.action) {
             case 'appsDrawer':
+                // Note: these booleans are awkward because localstorage is fundamentally
+                // string-based. We also do exact equality on the strings later on.
                 if (action.show) {
-                    localStorage.removeItem(hideWidgetKey);
+                    localStorage.setItem(hideWidgetKey, "false");
                 } else {
                     // Store hidden state of widget
                     // Don't show if previously hidden
-                    localStorage.setItem(hideWidgetKey, true);
+                    localStorage.setItem(hideWidgetKey, "true");
                 }
 
                 break;
diff --git a/src/components/views/rooms/BasicMessageComposer.js b/src/components/views/rooms/BasicMessageComposer.js
index e3cffd59f8..2e4a966404 100644
--- a/src/components/views/rooms/BasicMessageComposer.js
+++ b/src/components/views/rooms/BasicMessageComposer.js
@@ -39,6 +39,7 @@ import EMOTICON_REGEX from 'emojibase-regex/emoticon';
 import * as sdk from '../../../index';
 import {Key} from "../../../Keyboard";
 import {EMOTICON_TO_EMOJI} from "../../../emoji";
+import {CommandCategories, CommandMap, parseCommandString} from "../../../SlashCommands";
 
 const REGEX_EMOTICON_WHITESPACE = new RegExp('(?:^|\\s)(' + EMOTICON_REGEX.source + ')\\s$');
 
@@ -84,6 +85,7 @@ export default class BasicMessageEditor extends React.Component {
         super(props);
         this.state = {
             autoComplete: null,
+            showPillAvatar: SettingsStore.getValue("Pill.shouldShowPillAvatar"),
         };
         this._editorRef = null;
         this._autocompleteRef = null;
@@ -92,6 +94,7 @@ export default class BasicMessageEditor extends React.Component {
         this._isIMEComposing = false;
         this._hasTextSelected = false;
         this._emoticonSettingHandle = null;
+        this._shouldShowPillAvatarSettingHandle = null;
     }
 
     componentDidUpdate(prevProps) {
@@ -162,7 +165,16 @@ export default class BasicMessageEditor extends React.Component {
         }
         this.setState({autoComplete: this.props.model.autoComplete});
         this.historyManager.tryPush(this.props.model, selection, inputType, diff);
-        TypingStore.sharedInstance().setSelfTyping(this.props.room.roomId, !this.props.model.isEmpty);
+
+        let isTyping = !this.props.model.isEmpty;
+        // If the user is entering a command, only consider them typing if it is one which sends a message into the room
+        if (isTyping && this.props.model.parts[0].type === "command") {
+            const {cmd} = parseCommandString(this.props.model.parts[0].text);
+            if (!CommandMap.has(cmd) || CommandMap.get(cmd).category !== CommandCategories.messages) {
+                isTyping = false;
+            }
+        }
+        TypingStore.sharedInstance().setSelfTyping(this.props.room.roomId, isTyping);
 
         if (this.props.onChange) {
             this.props.onChange();
@@ -508,10 +520,15 @@ export default class BasicMessageEditor extends React.Component {
         this.setState({completionIndex});
     }
 
-    _configureEmoticonAutoReplace() {
+    _configureEmoticonAutoReplace = () => {
         const shouldReplace = SettingsStore.getValue('MessageComposerInput.autoReplaceEmoji');
         this.props.model.setTransformCallback(shouldReplace ? this._replaceEmoticon : null);
-    }
+    };
+
+    _configureShouldShowPillAvatar = () => {
+        const showPillAvatar = SettingsStore.getValue("Pill.shouldShowPillAvatar");
+        this.setState({ showPillAvatar });
+    };
 
     componentWillUnmount() {
         document.removeEventListener("selectionchange", this._onSelectionChange);
@@ -519,15 +536,17 @@ export default class BasicMessageEditor extends React.Component {
         this._editorRef.removeEventListener("compositionstart", this._onCompositionStart, true);
         this._editorRef.removeEventListener("compositionend", this._onCompositionEnd, true);
         SettingsStore.unwatchSetting(this._emoticonSettingHandle);
+        SettingsStore.unwatchSetting(this._shouldShowPillAvatarSettingHandle);
     }
 
     componentDidMount() {
         const model = this.props.model;
         model.setUpdateCallback(this._updateEditorState);
-        this._emoticonSettingHandle = SettingsStore.watchSetting('MessageComposerInput.autoReplaceEmoji', null, () => {
-            this._configureEmoticonAutoReplace();
-        });
+        this._emoticonSettingHandle = SettingsStore.watchSetting('MessageComposerInput.autoReplaceEmoji', null,
+            this._configureEmoticonAutoReplace);
         this._configureEmoticonAutoReplace();
+        this._shouldShowPillAvatarSettingHandle = SettingsStore.watchSetting("Pill.shouldShowPillAvatar", null,
+            this._configureShouldShowPillAvatar);
         const partCreator = model.partCreator;
         // TODO: does this allow us to get rid of EditorStateTransfer?
         // not really, but we could not serialize the parts, and just change the autoCompleter
@@ -605,9 +624,12 @@ export default class BasicMessageEditor extends React.Component {
                 />
             </div>);
         }
-        const classes = classNames("mx_BasicMessageComposer", {
+        const wrapperClasses = classNames("mx_BasicMessageComposer", {
             "mx_BasicMessageComposer_input_error": this.state.showVisualBell,
         });
+        const classes = classNames("mx_BasicMessageComposer_input", {
+            "mx_BasicMessageComposer_input_shouldShowPillAvatar": this.state.showPillAvatar,
+        });
 
         const MessageComposerFormatBar = sdk.getComponent('rooms.MessageComposerFormatBar');
         const shortcuts = {
@@ -618,11 +640,11 @@ export default class BasicMessageEditor extends React.Component {
 
         const {completionIndex} = this.state;
 
-        return (<div className={classes}>
+        return (<div className={wrapperClasses}>
             { autoComplete }
             <MessageComposerFormatBar ref={ref => this._formatBarRef = ref} onAction={this._onFormatAction} shortcuts={shortcuts} />
             <div
-                className="mx_BasicMessageComposer_input"
+                className={classes}
                 contentEditable="true"
                 tabIndex="0"
                 onBlur={this._onBlur}
diff --git a/src/components/views/rooms/EventTile.js b/src/components/views/rooms/EventTile.js
index aed2d4b25b..75fbe5caa3 100644
--- a/src/components/views/rooms/EventTile.js
+++ b/src/components/views/rooms/EventTile.js
@@ -59,6 +59,7 @@ const stateEventTileTypes = {
     'm.room.power_levels': 'messages.TextualEvent',
     'm.room.pinned_events': 'messages.TextualEvent',
     'm.room.server_acl': 'messages.TextualEvent',
+    // TODO: Enable support for m.widget event type (https://github.com/vector-im/riot-web/issues/13111)
     'im.vector.modular.widgets': 'messages.TextualEvent',
     'm.room.tombstone': 'messages.TextualEvent',
     'm.room.join_rules': 'messages.TextualEvent',
diff --git a/src/components/views/settings/DevicesPanel.js b/src/components/views/settings/DevicesPanel.js
index e097ef9e47..fe4a4abfdc 100644
--- a/src/components/views/settings/DevicesPanel.js
+++ b/src/components/views/settings/DevicesPanel.js
@@ -139,7 +139,7 @@ export default class DevicesPanel extends React.Component {
                     body: _t("Click the button below to confirm deleting these sessions.", {
                         count: numDevices,
                     }),
-                    continueText: _t("Delete sessions"),
+                    continueText: _t("Delete sessions", {count: numDevices}),
                     continueKind: "danger",
                 },
             };
diff --git a/src/components/views/settings/tabs/room/RolesRoomSettingsTab.js b/src/components/views/settings/tabs/room/RolesRoomSettingsTab.js
index a3a9cb78c5..b812bb6b68 100644
--- a/src/components/views/settings/tabs/room/RolesRoomSettingsTab.js
+++ b/src/components/views/settings/tabs/room/RolesRoomSettingsTab.js
@@ -33,6 +33,7 @@ const plEventsToLabels = {
     "m.room.tombstone": _td("Upgrade the room"),
     "m.room.encryption": _td("Enable room encryption"),
 
+    // TODO: Enable support for m.widget event type (https://github.com/vector-im/riot-web/issues/13111)
     "im.vector.modular.widgets": _td("Modify widgets"),
 };
 
@@ -47,6 +48,7 @@ const plEventsToShow = {
     "m.room.tombstone": {isState: true},
     "m.room.encryption": {isState: true},
 
+    // TODO: Enable support for m.widget event type (https://github.com/vector-im/riot-web/issues/13111)
     "im.vector.modular.widgets": {isState: true},
 };
 
diff --git a/src/components/views/verification/VerificationQREmojiOptions.js b/src/components/views/verification/VerificationQREmojiOptions.js
index d72c6951fe..89b3a596d7 100644
--- a/src/components/views/verification/VerificationQREmojiOptions.js
+++ b/src/components/views/verification/VerificationQREmojiOptions.js
@@ -20,8 +20,8 @@ import { _t } from '../../../languageHandler';
 import AccessibleButton from "../elements/AccessibleButton";
 import {replaceableComponent} from "../../../utils/replaceableComponent";
 import VerificationQRCode from "../elements/crypto/VerificationQRCode";
-import {VerificationRequest} from "matrix-js-sdk/src/crypto/verification/request/VerificationRequest";
 import Spinner from "../elements/Spinner";
+import {SCAN_QR_CODE_METHOD} from "matrix-js-sdk/src/crypto/verification/QRCode";
 
 @replaceableComponent("views.verification.VerificationQREmojiOptions")
 export default class VerificationQREmojiOptions extends React.Component {
@@ -31,31 +31,17 @@ export default class VerificationQREmojiOptions extends React.Component {
         onStartEmoji: PropTypes.func.isRequired,
     };
 
-    constructor(props) {
-        super(props);
-
-        this.state = {
-            qrProps: null,
-        };
-
-        this._prepareQrCode(props.request);
-    }
-
-    async _prepareQrCode(request: VerificationRequest) {
-        try {
-            const props = await VerificationQRCode.getPropsForRequest(request);
-            this.setState({qrProps: props});
-        } catch (e) {
-            console.error(e);
-            // We just won't show a QR code
-        }
-    }
-
     render() {
-        let qrCode = <div className='mx_VerificationQREmojiOptions_noQR'><Spinner /></div>;
-        if (this.state.qrProps) {
-            qrCode = <VerificationQRCode {...this.state.qrProps} />;
+        const {request} = this.props;
+        const showQR = request.otherPartySupportsMethod(SCAN_QR_CODE_METHOD);
+
+        let qrCode;
+        if (showQR) {
+            qrCode = <VerificationQRCode qrCodeData={request.qrCodeData} />;
+        } else {
+            qrCode = <div className='mx_VerificationQREmojiOptions_noQR'><Spinner /></div>;
         }
+
         return (
             <div>
                 {_t("Verify this session by completing one of the following:")}
diff --git a/src/components/views/verification/VerificationShowSas.js b/src/components/views/verification/VerificationShowSas.js
index 5fd0dca267..0a8947f2c2 100644
--- a/src/components/views/verification/VerificationShowSas.js
+++ b/src/components/views/verification/VerificationShowSas.js
@@ -132,12 +132,12 @@ export default class VerificationShowSas extends React.Component {
             />;
         } else {
             confirm = <React.Fragment>
-                <AccessibleButton onClick={this.onMatchClick} kind="primary">
-                    { _t("They match") }
-                </AccessibleButton>
                 <AccessibleButton onClick={this.onDontMatchClick} kind="danger">
                     { _t("They don't match") }
                 </AccessibleButton>
+                <AccessibleButton onClick={this.onMatchClick} kind="primary">
+                    { _t("They match") }
+                </AccessibleButton>
             </React.Fragment>;
         }
 
diff --git a/src/i18n/strings/en_EN.json b/src/i18n/strings/en_EN.json
index 067d5d8eee..3c5be84f20 100644
--- a/src/i18n/strings/en_EN.json
+++ b/src/i18n/strings/en_EN.json
@@ -177,6 +177,7 @@
     "Changes your avatar in this current room only": "Changes your avatar in this current room only",
     "Changes your avatar in all rooms": "Changes your avatar in all rooms",
     "Gets or sets the room topic": "Gets or sets the room topic",
+    "Failed to set topic": "Failed to set topic",
     "This room has no topic.": "This room has no topic.",
     "Sets the room name": "Sets the room name",
     "Invites user with given id to current room": "Invites user with given id to current room",
@@ -196,6 +197,8 @@
     "Unignored user": "Unignored user",
     "You are no longer ignoring %(userId)s": "You are no longer ignoring %(userId)s",
     "Define the power level of a user": "Define the power level of a user",
+    "Command failed": "Command failed",
+    "Could not find user in room": "Could not find user in room",
     "Deops user with given id": "Deops user with given id",
     "Opens the Developer Tools dialog": "Opens the Developer Tools dialog",
     "Adds a custom widget by URL to the room": "Adds a custom widget by URL to the room",
@@ -618,7 +621,8 @@
     "Confirm deleting these sessions": "Confirm deleting these sessions",
     "Click the button below to confirm deleting these sessions.|other": "Click the button below to confirm deleting these sessions.",
     "Click the button below to confirm deleting these sessions.|one": "Click the button below to confirm deleting this session.",
-    "Delete sessions": "Delete sessions",
+    "Delete sessions|other": "Delete sessions",
+    "Delete sessions|one": "Delete session",
     "Authentication": "Authentication",
     "Delete %(count)s sessions|other": "Delete %(count)s sessions",
     "Delete %(count)s sessions|one": "Delete %(count)s session",
@@ -2111,9 +2115,9 @@
     "You can now close this window or <a>log in</a> to your new account.": "You can now close this window or <a>log in</a> to your new account.",
     "Registration Successful": "Registration Successful",
     "Create your account": "Create your account",
-    "Open an existing session & use it to verify this one, granting it access to encrypted messages.": "Open an existing session & use it to verify this one, granting it access to encrypted messages.",
-    "Waiting…": "Waiting…",
+    "Use an existing session to verify this one, granting it access to encrypted messages.": "Use an existing session to verify this one, granting it access to encrypted messages.",
     "If you can’t access one, <button>use your recovery key or passphrase.</button>": "If you can’t access one, <button>use your recovery key or passphrase.</button>",
+    "Use your other device to continue…": "Use your other device to continue…",
     "Your new session is now verified. It has access to your encrypted messages, and other users will see it as trusted.": "Your new session is now verified. It has access to your encrypted messages, and other users will see it as trusted.",
     "Your new session is now verified. Other users will see it as trusted.": "Your new session is now verified. Other users will see it as trusted.",
     "Without completing security on this session, it won’t have access to encrypted messages.": "Without completing security on this session, it won’t have access to encrypted messages.",
diff --git a/src/stores/ActiveWidgetStore.js b/src/stores/ActiveWidgetStore.js
index 60ea3f9106..c6f8dc69b7 100644
--- a/src/stores/ActiveWidgetStore.js
+++ b/src/stores/ActiveWidgetStore.js
@@ -64,6 +64,7 @@ class ActiveWidgetStore extends EventEmitter {
         // Everything else relies on views listening for events and calling setters
         // on this class which is terrible. This store should just listen for events
         // and keep itself up to date.
+        // TODO: Enable support for m.widget event type (https://github.com/vector-im/riot-web/issues/13111)
         if (ev.getType() !== 'im.vector.modular.widgets') return;
 
         if (ev.getStateKey() === this._persistentWidgetId) {
diff --git a/src/utils/WidgetUtils.js b/src/utils/WidgetUtils.js
index bebed54438..6a0556c2b3 100644
--- a/src/utils/WidgetUtils.js
+++ b/src/utils/WidgetUtils.js
@@ -68,6 +68,7 @@ export default class WidgetUtils {
             return false;
         }
 
+        // TODO: Enable support for m.widget event type (https://github.com/vector-im/riot-web/issues/13111)
         return room.currentState.maySendStateEvent('im.vector.modular.widgets', me);
     }
 
@@ -182,6 +183,7 @@ export default class WidgetUtils {
             }
 
             const room = MatrixClientPeg.get().getRoom(roomId);
+            // TODO: Enable support for m.widget event type (https://github.com/vector-im/riot-web/issues/13111)
             const startingWidgetEvents = room.currentState.getStateEvents('im.vector.modular.widgets');
             if (eventsInIntendedState(startingWidgetEvents)) {
                 resolve();
@@ -191,6 +193,7 @@ export default class WidgetUtils {
             function onRoomStateEvents(ev) {
                 if (ev.getRoomId() !== roomId) return;
 
+                // TODO: Enable support for m.widget event type (https://github.com/vector-im/riot-web/issues/13111)
                 const currentWidgetEvents = room.currentState.getStateEvents('im.vector.modular.widgets');
 
                 if (eventsInIntendedState(currentWidgetEvents)) {
@@ -272,8 +275,7 @@ export default class WidgetUtils {
         WidgetEchoStore.setRoomWidgetEcho(roomId, widgetId, content);
 
         const client = MatrixClientPeg.get();
-        // TODO - Room widgets need to be moved to 'm.widget' state events
-        // https://docs.google.com/document/d/1uPF7XWY_dXTKVKV7jZQ2KmsI19wn9-kFRgQ1tFQP7wQ/edit?usp=sharing
+        // TODO: Enable support for m.widget event type (https://github.com/vector-im/riot-web/issues/13111)
         return client.sendStateEvent(roomId, "im.vector.modular.widgets", content, widgetId).then(() => {
             return WidgetUtils.waitForRoomWidget(widgetId, roomId, addingWidget);
         }).finally(() => {
@@ -287,6 +289,7 @@ export default class WidgetUtils {
      * @return {[object]} Array containing current / active room widgets
      */
     static getRoomWidgets(room: Room) {
+        // TODO: Enable support for m.widget event type (https://github.com/vector-im/riot-web/issues/13111)
         const appsStateEvents = room.currentState.getStateEvents('im.vector.modular.widgets');
         if (!appsStateEvents) {
             return [];
diff --git a/src/verification.js b/src/verification.js
index 3170eb8825..e00e5e05fa 100644
--- a/src/verification.js
+++ b/src/verification.js
@@ -61,15 +61,18 @@ function UntrustedDeviceDialog(props) {
 }
 
 export async function verifyDevice(user, device) {
-    if (!await enable4SIfNeeded()) {
-        return;
+    const cli = MatrixClientPeg.get();
+    // if cross-signing is not explicitly disabled, check if it should be enabled first.
+    if (cli.getCryptoTrustCrossSignedDevices()) {
+        if (!await enable4SIfNeeded()) {
+            return;
+        }
     }
     Modal.createTrackedDialog("Verification warning", "unverified session", UntrustedDeviceDialog, {
         user,
         device,
         onFinished: async (action) => {
             if (action === "sas") {
-                const cli = MatrixClientPeg.get();
                 const verificationRequestPromise = cli.legacyDeviceVerification(
                     user.userId,
                     device.deviceId,
@@ -95,10 +98,13 @@ export async function verifyDevice(user, device) {
 }
 
 export async function legacyVerifyUser(user) {
-    if (!await enable4SIfNeeded()) {
-        return;
-    }
     const cli = MatrixClientPeg.get();
+    // if cross-signing is not explicitly disabled, check if it should be enabled first.
+    if (cli.getCryptoTrustCrossSignedDevices()) {
+        if (!await enable4SIfNeeded()) {
+            return;
+        }
+    }
     const verificationRequestPromise = cli.requestVerification(user.userId);
     dis.dispatch({
         action: "set_right_panel_phase",
diff --git a/test/components/views/rooms/RoomSettings-test.js b/test/components/views/rooms/RoomSettings-test.js
index 5e21f729d0..b3790b2507 100644
--- a/test/components/views/rooms/RoomSettings-test.js
+++ b/test/components/views/rooms/RoomSettings-test.js
@@ -177,6 +177,7 @@ describe.skip('RoomSettings', () => {
                         'm.room.history_visibility': 50,
                         'm.room.power_levels': 50,
                         'm.room.topic': 50,
+                        // TODO: Enable support for m.widget event type (https://github.com/vector-im/riot-web/issues/13111)
                         'im.vector.modular.widgets': 50,
                     },
                 },
diff --git a/yarn.lock b/yarn.lock
index 538a049bff..c42828e461 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1496,11 +1496,6 @@ abab@^2.0.0:
   resolved "https://registry.yarnpkg.com/abab/-/abab-2.0.3.tgz#623e2075e02eb2d3f2475e49f99c91846467907a"
   integrity sha512-tsFzPpcttalNjFBCFMqsKYQcWxxen1pgJR56by//QwvJc4/OUS3kPOOttx2tSIfjsylB0pYu7f5D3K1RCxUnUg==
 
-abbrev@1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.1.tgz#f8f2c887ad10bf67f634f005b6987fed3179aac8"
-  integrity sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q==
-
 acorn-globals@^4.1.0:
   version "4.3.4"
   resolved "https://registry.yarnpkg.com/acorn-globals/-/acorn-globals-4.3.4.tgz#9fa1926addc11c97308c4e66d7add0d40c3272e7"
@@ -1634,19 +1629,11 @@ anymatch@~3.1.1:
     normalize-path "^3.0.0"
     picomatch "^2.0.4"
 
-aproba@^1.0.3, aproba@^1.1.1:
+aproba@^1.1.1:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/aproba/-/aproba-1.2.0.tgz#6802e6264efd18c790a1b0d517f0f2627bf2c94a"
   integrity sha512-Y9J6ZjXtoYh8RnXVCMOU/ttDmk1aBjunq9vO0ta5x85WDQiQfUF9sIPBITdbiiIVcBo03Hi3jMxigBtsddlXRw==
 
-are-we-there-yet@~1.1.2:
-  version "1.1.5"
-  resolved "https://registry.yarnpkg.com/are-we-there-yet/-/are-we-there-yet-1.1.5.tgz#4b35c2944f062a8bfcda66410760350fe9ddfc21"
-  integrity sha512-5hYdAkZlcG8tOLujVDTgCT+uPX0VnpAH28gWsLfzpXYm7wP6mp5Q/gYyR7YQ0cKVJcXJnl3j2kpBan13PtQf6w==
-  dependencies:
-    delegates "^1.0.0"
-    readable-stream "^2.0.6"
-
 argparse@^1.0.7:
   version "1.0.10"
   resolved "https://registry.yarnpkg.com/argparse/-/argparse-1.0.10.tgz#bcd6791ea5ae09725e17e5ad988134cd40b3d911"
@@ -2283,11 +2270,6 @@ ccount@^1.0.0:
   resolved "https://registry.yarnpkg.com/ccount/-/ccount-1.0.5.tgz#ac82a944905a65ce204eb03023157edf29425c17"
   integrity sha512-MOli1W+nfbPLlKEhInaxhRdp7KVLFxLN5ykwzHgLsLI3H3gs5jjFAK4Eoj3OzzcxCtumDaI8onoVDeQyWaNTkw==
 
-chain-function@^1.0.0:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/chain-function/-/chain-function-1.0.1.tgz#c63045e5b4b663fb86f1c6e186adaf1de402a1cc"
-  integrity sha512-SxltgMwL9uCko5/ZCLiyG2B7R9fY4pDZUw7hJ4MhirdjBLosoDqkWABi3XMucddHdLiFJMb7PD2MZifZriuMTg==
-
 chalk@2.4.2, chalk@^2.0.0, chalk@^2.0.1, chalk@^2.1.0, chalk@^2.3.0, chalk@^2.4.1, chalk@^2.4.2:
   version "2.4.2"
   resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.2.tgz#cd42541677a54333cf541a49108c1432b44c9424"
@@ -2553,11 +2535,6 @@ console-browserify@^1.1.0:
   resolved "https://registry.yarnpkg.com/console-browserify/-/console-browserify-1.2.0.tgz#67063cef57ceb6cf4993a2ab3a55840ae8c49336"
   integrity sha512-ZMkYO/LkF17QvCPqM0gxw8yUzigAOZOSWSHg91FH6orS7vcEj5dVZTidN2fQ14yBSdg97RqhSNwLUXInd52OTA==
 
-console-control-strings@^1.0.0, console-control-strings@~1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/console-control-strings/-/console-control-strings-1.1.0.tgz#3d7cf4464db6446ea644bf4b39507f9851008e8e"
-  integrity sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4=
-
 constants-browserify@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/constants-browserify/-/constants-browserify-1.0.0.tgz#c20b96d8c617748aaf1c16021760cd27fcb8cb75"
@@ -2803,7 +2780,7 @@ debug@^2.2.0, debug@^2.3.3:
   dependencies:
     ms "2.0.0"
 
-debug@^3.1.0, debug@^3.2.6:
+debug@^3.1.0:
   version "3.2.6"
   resolved "https://registry.yarnpkg.com/debug/-/debug-3.2.6.tgz#e83d17de16d8a7efb7717edbe5fb10135eee629b"
   integrity sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==
@@ -2879,11 +2856,6 @@ delayed-stream@~1.0.0:
   resolved "https://registry.yarnpkg.com/delayed-stream/-/delayed-stream-1.0.0.tgz#df3ae199acadfb7d440aaae0b29e2272b24ec619"
   integrity sha1-3zrhmayt+31ECqrgsp4icrJOxhk=
 
-delegates@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/delegates/-/delegates-1.0.0.tgz#84c6e159b81904fdca59a0ef44cd870d31250f9a"
-  integrity sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o=
-
 des.js@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/des.js/-/des.js-1.0.1.tgz#5382142e1bdc53f85d86d53e5f4aa7deb91e0843"
@@ -2897,11 +2869,6 @@ detect-file@^1.0.0:
   resolved "https://registry.yarnpkg.com/detect-file/-/detect-file-1.0.0.tgz#f0d66d03672a825cb1b73bdb3fe62310c8e552b7"
   integrity sha1-8NZtA2cqglyxtzvbP+YjEMjlUrc=
 
-detect-libc@^1.0.2:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/detect-libc/-/detect-libc-1.0.3.tgz#fa137c4bd698edf55cd5cd02ac559f91a4c4ba9b"
-  integrity sha1-+hN8S9aY7fVc1c0CrFWfkaTEups=
-
 detect-newline@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/detect-newline/-/detect-newline-2.1.0.tgz#f41f1c10be4b00e87b5f13da680759f2c5bfd3e2"
@@ -2975,13 +2942,6 @@ doctrine@^3.0.0:
   dependencies:
     esutils "^2.0.2"
 
-dom-helpers@^3.2.0:
-  version "3.4.0"
-  resolved "https://registry.yarnpkg.com/dom-helpers/-/dom-helpers-3.4.0.tgz#e9b369700f959f62ecde5a6babde4bccd9169af8"
-  integrity sha512-LnuPJ+dwqKDIyotW1VzmOZ5TONUN7CwkCR5hrgawTUbkBGYdeoNLZo6nNfGkCrjtE1nXXaj7iMMpDa8/d9WoIA==
-  dependencies:
-    "@babel/runtime" "^7.1.2"
-
 dom-serializer@0, dom-serializer@^0.2.1:
   version "0.2.2"
   resolved "https://registry.yarnpkg.com/dom-serializer/-/dom-serializer-0.2.2.tgz#1afb81f533717175d478655debc5e332d9f9bb51"
@@ -3916,13 +3876,6 @@ from2@^2.1.0:
     inherits "^2.0.1"
     readable-stream "^2.0.0"
 
-fs-minipass@^1.2.5:
-  version "1.2.7"
-  resolved "https://registry.yarnpkg.com/fs-minipass/-/fs-minipass-1.2.7.tgz#ccff8570841e7fe4265693da88936c55aed7f7c7"
-  integrity sha512-GWSSJGFy4e9GUeCcbIkED+bgAoFyj7XF1mV8rma3QW4NIqX9Kyx79N/PF61H5udOV3aY1IaMLs6pGbH71nlCTA==
-  dependencies:
-    minipass "^2.6.0"
-
 fs-readdir-recursive@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/fs-readdir-recursive/-/fs-readdir-recursive-1.1.0.tgz#e32fc030a2ccee44a6b5371308da54be0b397d27"
@@ -3985,20 +3938,6 @@ fuse.js@^2.2.0:
   resolved "https://registry.yarnpkg.com/fuse.js/-/fuse.js-2.7.4.tgz#96e420fde7ef011ac49c258a621314fe576536f9"
   integrity sha1-luQg/efvARrEnCWKYhMU/ldlNvk=
 
-gauge@~2.7.3:
-  version "2.7.4"
-  resolved "https://registry.yarnpkg.com/gauge/-/gauge-2.7.4.tgz#2c03405c7538c39d7eb37b317022e325fb018bf7"
-  integrity sha1-LANAXHU4w51+s3sxcCLjJfsBi/c=
-  dependencies:
-    aproba "^1.0.3"
-    console-control-strings "^1.0.0"
-    has-unicode "^2.0.0"
-    object-assign "^4.1.0"
-    signal-exit "^3.0.0"
-    string-width "^1.0.1"
-    strip-ansi "^3.0.1"
-    wide-align "^1.1.0"
-
 gensync@^1.0.0-beta.1:
   version "1.0.0-beta.1"
   resolved "https://registry.yarnpkg.com/gensync/-/gensync-1.0.0-beta.1.tgz#58f4361ff987e5ff6e1e7a210827aa371eaac269"
@@ -4196,11 +4135,6 @@ has-symbols@^1.0.0, has-symbols@^1.0.1:
   resolved "https://registry.yarnpkg.com/has-symbols/-/has-symbols-1.0.1.tgz#9f5214758a44196c406d9bd76cebf81ec2dd31e8"
   integrity sha512-PLcsoqu++dmEIZB+6totNFKq/7Do+Z0u4oT0zKOJNl3lYK6vGwwu2hjHs+68OEZbTjiUE9bgOABXbP/GvrS0Kg==
 
-has-unicode@^2.0.0:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/has-unicode/-/has-unicode-2.0.1.tgz#e0e6fe6a28cf51138855e086d1691e771de2a8b9"
-  integrity sha1-4Ob+aijPUROIVeCG0Wkedx3iqLk=
-
 has-value@^0.3.1:
   version "0.3.1"
   resolved "https://registry.yarnpkg.com/has-value/-/has-value-0.3.1.tgz#7b1f58bada62ca827ec0a2078025654845995e1f"
@@ -4388,7 +4322,7 @@ humanize-ms@^1.2.1:
   dependencies:
     ms "^2.0.0"
 
-iconv-lite@0.4.24, iconv-lite@^0.4.24, iconv-lite@^0.4.4, iconv-lite@~0.4.13:
+iconv-lite@0.4.24, iconv-lite@^0.4.24, iconv-lite@~0.4.13:
   version "0.4.24"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.24.tgz#2022b4b25fbddc21d2f524974a474aafe733908b"
   integrity sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==
@@ -4405,13 +4339,6 @@ iferr@^0.1.5:
   resolved "https://registry.yarnpkg.com/iferr/-/iferr-0.1.5.tgz#c60eed69e6d8fdb6b3104a1fcbca1c192dc5b501"
   integrity sha1-xg7taebY/bazEEofy8ocGS3FtQE=
 
-ignore-walk@^3.0.1:
-  version "3.0.3"
-  resolved "https://registry.yarnpkg.com/ignore-walk/-/ignore-walk-3.0.3.tgz#017e2447184bfeade7c238e4aefdd1e8f95b1e37"
-  integrity sha512-m7o6xuOaT1aqheYHKf8W6J5pYH85ZI9w077erOzLje3JsB1gkafkAhHHY19dqjulgIZHFm32Cp5uNZgcQqdJKw==
-  dependencies:
-    minimatch "^3.0.4"
-
 ignore@^4.0.3, ignore@^4.0.6:
   version "4.0.6"
   resolved "https://registry.yarnpkg.com/ignore/-/ignore-4.0.6.tgz#750e3db5862087b4737ebac8207ffd1ef27b25fc"
@@ -5975,21 +5902,6 @@ minimist@^1.1.1, minimist@^1.2.0, minimist@^1.2.5, "minimist@~ 1.2.0":
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.5.tgz#67d66014b66a6a8aaa0c083c5fd58df4e4e97602"
   integrity sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==
 
-minipass@^2.6.0, minipass@^2.8.6, minipass@^2.9.0:
-  version "2.9.0"
-  resolved "https://registry.yarnpkg.com/minipass/-/minipass-2.9.0.tgz#e713762e7d3e32fed803115cf93e04bca9fcc9a6"
-  integrity sha512-wxfUjg9WebH+CUDX/CdbRlh5SmfZiy/hpkxaRI16Y9W56Pa75sWgd/rvFilSgrauD9NyFymP/+JFV3KwzIsJeg==
-  dependencies:
-    safe-buffer "^5.1.2"
-    yallist "^3.0.0"
-
-minizlib@^1.2.1:
-  version "1.3.3"
-  resolved "https://registry.yarnpkg.com/minizlib/-/minizlib-1.3.3.tgz#2290de96818a34c29551c8a8d301216bd65a861d"
-  integrity sha512-6ZYMOEnmVsdCeTJVE0W9ZD+pVnE8h9Hma/iOwwRDsdQoePpoX56/8B6z3P9VNwppJuBKNRuFDRNRqRWexT9G9Q==
-  dependencies:
-    minipass "^2.9.0"
-
 mississippi@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/mississippi/-/mississippi-3.0.0.tgz#ea0a3291f97e0b5e8776b363d5f0a12d94c67022"
@@ -6014,7 +5926,7 @@ mixin-deep@^1.2.0:
     for-in "^1.0.2"
     is-extendable "^1.0.1"
 
-mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@^0.5.3:
+mkdirp@^0.5.1, mkdirp@^0.5.3:
   version "0.5.5"
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.5.tgz#d91cefd62d1436ca0f41620e251288d420099def"
   integrity sha512-NKmAlESf6jMGym1++R0Ra7wvhV+wFW63FaSOFPwRahvea0gMUcGUhVeAg/0BC0wiv9ih5NYPB1Wn1UEI1/L+xQ==
@@ -6091,15 +6003,6 @@ nearley@^2.7.10:
     randexp "0.4.6"
     semver "^5.4.1"
 
-needle@^2.2.1:
-  version "2.4.1"
-  resolved "https://registry.yarnpkg.com/needle/-/needle-2.4.1.tgz#14af48732463d7475696f937626b1b993247a56a"
-  integrity sha512-x/gi6ijr4B7fwl6WYL9FwlCvRQKGlUNvnceho8wxkwXqN8jvVmmmATTmZPRRG7b/yC1eode26C2HO9jl78Du9g==
-  dependencies:
-    debug "^3.2.6"
-    iconv-lite "^0.4.4"
-    sax "^1.2.4"
-
 neo-async@^2.5.0, neo-async@^2.6.1:
   version "2.6.1"
   resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.6.1.tgz#ac27ada66167fa8849a6addd837f6b189ad2081c"
@@ -6177,35 +6080,11 @@ node-notifier@^5.4.2:
     shellwords "^0.1.1"
     which "^1.3.0"
 
-node-pre-gyp@*:
-  version "0.14.0"
-  resolved "https://registry.yarnpkg.com/node-pre-gyp/-/node-pre-gyp-0.14.0.tgz#9a0596533b877289bcad4e143982ca3d904ddc83"
-  integrity sha512-+CvDC7ZttU/sSt9rFjix/P05iS43qHCOOGzcr3Ry99bXG7VX953+vFyEuph/tfqoYu8dttBkE86JSKBO2OzcxA==
-  dependencies:
-    detect-libc "^1.0.2"
-    mkdirp "^0.5.1"
-    needle "^2.2.1"
-    nopt "^4.0.1"
-    npm-packlist "^1.1.6"
-    npmlog "^4.0.2"
-    rc "^1.2.7"
-    rimraf "^2.6.1"
-    semver "^5.3.0"
-    tar "^4.4.2"
-
 node-releases@^1.1.53:
   version "1.1.53"
   resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-1.1.53.tgz#2d821bfa499ed7c5dffc5e2f28c88e78a08ee3f4"
   integrity sha512-wp8zyQVwef2hpZ/dJH7SfSrIPD6YoJz6BDQDpGEkcA0s3LpAQoxBIYmfIq6QAhC1DhwsyCgTaTTcONwX8qzCuQ==
 
-nopt@^4.0.1:
-  version "4.0.3"
-  resolved "https://registry.yarnpkg.com/nopt/-/nopt-4.0.3.tgz#a375cad9d02fd921278d954c2254d5aa57e15e48"
-  integrity sha512-CvaGwVMztSMJLOeXPrez7fyfObdZqNUK1cPAEzLHrTybIua9pMdmmPR5YwtfNftIOMv3DPUhFaxsZMNTQO20Kg==
-  dependencies:
-    abbrev "1"
-    osenv "^0.1.4"
-
 normalize-package-data@^2.3.2, normalize-package-data@^2.3.4:
   version "2.5.0"
   resolved "https://registry.yarnpkg.com/normalize-package-data/-/normalize-package-data-2.5.0.tgz#e66db1838b200c1dfc233225d12cb36520e234a8"
@@ -6238,27 +6117,6 @@ normalize-selector@^0.2.0:
   resolved "https://registry.yarnpkg.com/normalize-selector/-/normalize-selector-0.2.0.tgz#d0b145eb691189c63a78d201dc4fdb1293ef0c03"
   integrity sha1-0LFF62kRicY6eNIB3E/bEpPvDAM=
 
-npm-bundled@^1.0.1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/npm-bundled/-/npm-bundled-1.1.1.tgz#1edd570865a94cdb1bc8220775e29466c9fb234b"
-  integrity sha512-gqkfgGePhTpAEgUsGEgcq1rqPXA+tv/aVBlgEzfXwA1yiUJF7xtEt3CtVwOjNYQOVknDk0F20w58Fnm3EtG0fA==
-  dependencies:
-    npm-normalize-package-bin "^1.0.1"
-
-npm-normalize-package-bin@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/npm-normalize-package-bin/-/npm-normalize-package-bin-1.0.1.tgz#6e79a41f23fd235c0623218228da7d9c23b8f6e2"
-  integrity sha512-EPfafl6JL5/rU+ot6P3gRSCpPDW5VmIzX959Ob1+ySFUuuYHWHekXpwdUZcKP5C+DS4GEtdJluwBjnsNDl+fSA==
-
-npm-packlist@^1.1.6:
-  version "1.4.8"
-  resolved "https://registry.yarnpkg.com/npm-packlist/-/npm-packlist-1.4.8.tgz#56ee6cc135b9f98ad3d51c1c95da22bbb9b2ef3e"
-  integrity sha512-5+AZgwru5IevF5ZdnFglB5wNlHG1AOOuw28WhUq8/8emhBmLv6jX5by4WJCh7lW0uSYZYS6DXqIsyZVIXRZU9A==
-  dependencies:
-    ignore-walk "^3.0.1"
-    npm-bundled "^1.0.1"
-    npm-normalize-package-bin "^1.0.1"
-
 npm-run-path@^2.0.0:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/npm-run-path/-/npm-run-path-2.0.2.tgz#35a9232dfa35d7067b4cb2ddf2357b1871536c5f"
@@ -6266,16 +6124,6 @@ npm-run-path@^2.0.0:
   dependencies:
     path-key "^2.0.0"
 
-npmlog@^4.0.2:
-  version "4.1.2"
-  resolved "https://registry.yarnpkg.com/npmlog/-/npmlog-4.1.2.tgz#08a7f2a8bf734604779a9efa4ad5cc717abb954b"
-  integrity sha512-2uUqazuKlTaSI/dC8AzicUck7+IrEaOnN/e0jd3Xtt1KcGpwx30v50mL7oPyr/h9bL3E4aZccVwpwP+5W9Vjkg==
-  dependencies:
-    are-we-there-yet "~1.1.2"
-    console-control-strings "~1.1.0"
-    gauge "~2.7.3"
-    set-blocking "~2.0.0"
-
 nth-check@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/nth-check/-/nth-check-1.0.2.tgz#b2bd295c37e3dd58a3bf0700376663ba4d9cf05c"
@@ -6425,11 +6273,6 @@ os-browserify@^0.3.0:
   resolved "https://registry.yarnpkg.com/os-browserify/-/os-browserify-0.3.0.tgz#854373c7f5c2315914fc9bfc6bd8238fdda1ec27"
   integrity sha1-hUNzx/XCMVkU/Jv8a9gjj92h7Cc=
 
-os-homedir@^1.0.0:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/os-homedir/-/os-homedir-1.0.2.tgz#ffbc4988336e0e833de0c168c7ef152121aa7fb3"
-  integrity sha1-/7xJiDNuDoM94MFox+8VISGqf7M=
-
 os-locale@^3.0.0, os-locale@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/os-locale/-/os-locale-3.1.0.tgz#a802a6ee17f24c10483ab9935719cef4ed16bf1a"
@@ -6439,19 +6282,11 @@ os-locale@^3.0.0, os-locale@^3.1.0:
     lcid "^2.0.0"
     mem "^4.0.0"
 
-os-tmpdir@^1.0.0, os-tmpdir@~1.0.2:
+os-tmpdir@~1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/os-tmpdir/-/os-tmpdir-1.0.2.tgz#bbe67406c79aa85c5cfec766fe5734555dfa1274"
   integrity sha1-u+Z0BseaqFxc/sdm/lc0VV36EnQ=
 
-osenv@^0.1.4:
-  version "0.1.5"
-  resolved "https://registry.yarnpkg.com/osenv/-/osenv-0.1.5.tgz#85cdfafaeb28e8677f416e287592b5f3f49ea410"
-  integrity sha512-0CWcCECdMVc2Rw3U5w9ZjqX6ga6ubk1xDVKxtBQPK7wis/0F2r9T6k4ydGYhecl7YUBxBVxhL5oisPsNxAPe2g==
-  dependencies:
-    os-homedir "^1.0.0"
-    os-tmpdir "^1.0.0"
-
 p-defer@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/p-defer/-/p-defer-1.0.0.tgz#9f6eb182f6c9aa8cd743004a7d4f96b196b0fb0c"
@@ -6923,7 +6758,7 @@ prop-types-exact@^1.2.0:
     object.assign "^4.1.0"
     reflect.ownkeys "^0.2.0"
 
-prop-types@^15.5.6, prop-types@^15.5.8, prop-types@^15.6.0, prop-types@^15.6.1, prop-types@^15.6.2, prop-types@^15.7.2:
+prop-types@^15.5.8, prop-types@^15.6.0, prop-types@^15.6.1, prop-types@^15.6.2, prop-types@^15.7.2:
   version "15.7.2"
   resolved "https://registry.yarnpkg.com/prop-types/-/prop-types-15.7.2.tgz#52c41e75b8c87e72b9d9360e0206b99dcbffa6c5"
   integrity sha512-8QQikdH7//R2vurIJSutZ1smHYTcLpRWEOlHnzcWHmBYrOGUysKwSsrC89BCiFj3CbrfJ/nXFdJepOVrY1GCHQ==
@@ -7096,7 +6931,7 @@ randomfill@^1.0.3:
     randombytes "^2.0.5"
     safe-buffer "^5.1.0"
 
-rc@1.2.8, rc@^1.2.7, rc@^1.2.8:
+rc@1.2.8, rc@^1.2.8:
   version "1.2.8"
   resolved "https://registry.yarnpkg.com/rc/-/rc-1.2.8.tgz#cd924bf5200a075b83c188cd6b9e211b7fc0d3ed"
   integrity sha512-y3bGgqKj3QBdxLbLkomlohkvsA8gdAiUQlSBJnBhfn+BPxg4bc62d8TcBW15wavDfgexCgccckhcZvywyQYPOw==
@@ -7106,13 +6941,6 @@ rc@1.2.8, rc@^1.2.7, rc@^1.2.8:
     minimist "^1.2.0"
     strip-json-comments "~2.0.1"
 
-react-addons-css-transition-group@15.6.2:
-  version "15.6.2"
-  resolved "https://registry.yarnpkg.com/react-addons-css-transition-group/-/react-addons-css-transition-group-15.6.2.tgz#9e4376bcf40b5217d14ec68553081cee4b08a6d6"
-  integrity sha1-nkN2vPQLUhfRTsaFUwgc7ksIptY=
-  dependencies:
-    react-transition-group "^1.2.0"
-
 react-beautiful-dnd@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/react-beautiful-dnd/-/react-beautiful-dnd-4.0.1.tgz#3b0a49bf6be75af351176c904f012611dd292b81"
@@ -7200,17 +7028,6 @@ react-test-renderer@^16.0.0-0, react-test-renderer@^16.9.0:
     react-is "^16.8.6"
     scheduler "^0.19.1"
 
-react-transition-group@^1.2.0:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/react-transition-group/-/react-transition-group-1.2.1.tgz#e11f72b257f921b213229a774df46612346c7ca6"
-  integrity sha512-CWaL3laCmgAFdxdKbhhps+c0HRGF4c+hdM4H23+FI1QBNUyx/AMeIJGWorehPNSaKnQNOAxL7PQmqMu78CDj3Q==
-  dependencies:
-    chain-function "^1.0.0"
-    dom-helpers "^3.2.0"
-    loose-envify "^1.3.1"
-    prop-types "^15.5.6"
-    warning "^3.0.0"
-
 react@^16.9.0:
   version "16.13.1"
   resolved "https://registry.yarnpkg.com/react/-/react-16.13.1.tgz#2e818822f1a9743122c063d6410d85c1e3afe48e"
@@ -7254,7 +7071,7 @@ read-pkg@^4.0.1:
     parse-json "^4.0.0"
     pify "^3.0.0"
 
-"readable-stream@1 || 2", readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.6, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.3.3, readable-stream@^2.3.6, readable-stream@~2.3.6:
+"readable-stream@1 || 2", readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.3.3, readable-stream@^2.3.6, readable-stream@~2.3.6:
   version "2.3.7"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.7.tgz#1eca1cf711aef814c04f62252a36a62f6cb23b57"
   integrity sha512-Ebho8K4jIbHAxnuxi7o42OrZgF/ZTNcsZj6nRKyUmkhLFq8CHItp/fy6hQZuZmP/n3yZ9VBUbp4zz/mX8hmYPw==
@@ -7614,7 +7431,7 @@ rimraf@2.6.3:
   dependencies:
     glob "^7.1.3"
 
-rimraf@^2.4.3, rimraf@^2.5.4, rimraf@^2.6.1, rimraf@^2.6.3:
+rimraf@^2.4.3, rimraf@^2.5.4, rimraf@^2.6.3:
   version "2.7.1"
   resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.7.1.tgz#35797f13a7fdadc566142c29d4f07ccad483e3ec"
   integrity sha512-uWjbaKIK3T1OSVptzX7Nl6PvQ3qAGtKEtVRjRuazjfL3Bx5eI409VZSqgND+4UNnmzLVdPj9FqFJNPqBZFve4w==
@@ -7776,7 +7593,7 @@ serialize-javascript@^2.1.2:
   resolved "https://registry.yarnpkg.com/serialize-javascript/-/serialize-javascript-2.1.2.tgz#ecec53b0e0317bdc95ef76ab7074b7384785fa61"
   integrity sha512-rs9OggEUF0V4jUSecXazOYsLfu7OGK2qIn3c7IPBiffz32XniEp/TX9Xmc9LQfK2nQ2QKHvZ2oygKUGU0lG4jQ==
 
-set-blocking@^2.0.0, set-blocking@~2.0.0:
+set-blocking@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/set-blocking/-/set-blocking-2.0.0.tgz#045f9782d011ae9a6803ddd382b24392b3d890f7"
   integrity sha1-BF+XgtARrppoA93TgrJDkrPYkPc=
@@ -8112,7 +7929,7 @@ string-width@^1.0.1:
     is-fullwidth-code-point "^1.0.0"
     strip-ansi "^3.0.0"
 
-"string-width@^1.0.2 || 2", string-width@^2.0.0, string-width@^2.1.0, string-width@^2.1.1:
+string-width@^2.0.0, string-width@^2.1.0, string-width@^2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/string-width/-/string-width-2.1.1.tgz#ab93f27a8dc13d28cac815c462143a6d9012ae9e"
   integrity sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==
@@ -8393,19 +8210,6 @@ tapable@^1.0.0, tapable@^1.1.3:
   resolved "https://registry.yarnpkg.com/tapable/-/tapable-1.1.3.tgz#a1fccc06b58db61fd7a45da2da44f5f3a3e67ba2"
   integrity sha512-4WK/bYZmj8xLr+HUCODHGF1ZFzsYffasLUgEiMBY4fgtltdO6B4WJtlSbPaDTLpYTcGVwM2qLnFTICEcNxs3kA==
 
-tar@^4.4.2:
-  version "4.4.13"
-  resolved "https://registry.yarnpkg.com/tar/-/tar-4.4.13.tgz#43b364bc52888d555298637b10d60790254ab525"
-  integrity sha512-w2VwSrBoHa5BsSyH+KxEqeQBAllHhccyMFVHtGtdMpF4W7IRWfZjFiQceJPChOeTsSDVUpER2T8FA93pr0L+QA==
-  dependencies:
-    chownr "^1.1.1"
-    fs-minipass "^1.2.5"
-    minipass "^2.8.6"
-    minizlib "^1.2.1"
-    mkdirp "^0.5.0"
-    safe-buffer "^5.1.2"
-    yallist "^3.0.3"
-
 terser-webpack-plugin@^1.4.3:
   version "1.4.3"
   resolved "https://registry.yarnpkg.com/terser-webpack-plugin/-/terser-webpack-plugin-1.4.3.tgz#5ecaf2dbdc5fb99745fd06791f46fc9ddb1c9a7c"
@@ -8964,13 +8768,6 @@ walker@^1.0.7, walker@~1.0.5:
   dependencies:
     makeerror "1.0.x"
 
-warning@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/warning/-/warning-3.0.0.tgz#32e5377cb572de4ab04753bdf8821c01ed605b7c"
-  integrity sha1-MuU3fLVy3kqwR1O9+IIcAe1gW3w=
-  dependencies:
-    loose-envify "^1.0.0"
-
 watchpack@^1.6.0:
   version "1.6.1"
   resolved "https://registry.yarnpkg.com/watchpack/-/watchpack-1.6.1.tgz#280da0a8718592174010c078c7585a74cd8cd0e2"
@@ -9128,13 +8925,6 @@ which@^1.2.14, which@^1.2.9, which@^1.3.0, which@^1.3.1:
   dependencies:
     isexe "^2.0.0"
 
-wide-align@^1.1.0:
-  version "1.1.3"
-  resolved "https://registry.yarnpkg.com/wide-align/-/wide-align-1.1.3.tgz#ae074e6bdc0c14a431e804e624549c633b000457"
-  integrity sha512-QGkOQc8XL6Bt5PwnsExKBPuMKBxnGxWWW3fU55Xt4feHozMUhdUMaBCk290qpm/wG5u/RSKzwdAC4i51YigihA==
-  dependencies:
-    string-width "^1.0.2 || 2"
-
 word-wrap@~1.2.3:
   version "1.2.3"
   resolved "https://registry.yarnpkg.com/word-wrap/-/word-wrap-1.2.3.tgz#610636f6b1f703891bd34771ccb17fb93b47079c"
@@ -9219,7 +9009,7 @@ xtend@^4.0.0, xtend@^4.0.1, xtend@~4.0.1:
   resolved "https://registry.yarnpkg.com/y18n/-/y18n-4.0.0.tgz#95ef94f85ecc81d007c264e190a120f0a3c8566b"
   integrity sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==
 
-yallist@^3.0.0, yallist@^3.0.2, yallist@^3.0.3:
+yallist@^3.0.2:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/yallist/-/yallist-3.1.1.tgz#dbb7daf9bfd8bac9ab45ebf602b8cbad0d5d08fd"
   integrity sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g==