Merge branch 'develop' of github.com:matrix-org/matrix-react-sdk into t3chguy/fix/17686

Conflicts: src/SlashCommands.tsx src/components/views/settings/tabs/room/SecurityRoomSettingsTab.tsx src/createRoom.ts
2021-07-09 08:13:39 +01:00 · 2021-07-09 08:13:39 +01:00 · f412fb44a7
commit f412fb44a7
parent 894bce7813 013a81148b
111 changed files with 448 additions and 584 deletions
--- a/package.json
+++ b/package.json
@ -54,7 +54,6 @@
  },
  "dependencies": {
    "@babel/runtime": "^7.12.5",
-    "@types/commonmark": "^0.27.4",
    "await-lock": "^2.1.0",
    "blurhash": "^1.1.3",
    "browser-encrypt-attachment": "^0.3.0",
@ -92,6 +91,7 @@
    "re-resizable": "^6.9.0",
    "react": "^17.0.2",
    "react-beautiful-dnd": "^13.1.0",
+    "react-blurhash": "^0.1.3",
    "react-dom": "^17.0.2",
    "react-focus-lock": "^2.5.0",
    "react-transition-group": "^4.4.1",
@ -124,6 +124,7 @@
    "@peculiar/webcrypto": "^1.1.4",
    "@sinonjs/fake-timers": "^7.0.2",
    "@types/classnames": "^2.2.11",
+    "@types/commonmark": "^0.27.4",
    "@types/counterpart": "^0.18.1",
    "@types/diff-match-patch": "^1.0.32",
    "@types/flux": "^3.1.9",
--- a/res/css/_components.scss
+++ b/res/css/_components.scss
@ -202,6 +202,7 @@
@import "./views/rooms/_GroupLayout.scss";
@import "./views/rooms/_IRCLayout.scss";
@import "./views/rooms/_JumpToBottomButton.scss";
+@import "./views/rooms/_LinkPreviewGroup.scss";
@import "./views/rooms/_LinkPreviewWidget.scss";
@import "./views/rooms/_MemberInfo.scss";
@import "./views/rooms/_MemberList.scss";
--- a/res/css/views/rooms/_EventTile.scss
+++ b/res/css/views/rooms/_EventTile.scss
@ -477,8 +477,7 @@ $hover-select-border: 4px;

    pre, code {
        font-family: $monospace-font-family !important;
-        // deliberate constants as we're behind an invert filter
-        color: #333;
+        background-color: $header-panel-bg-color;
    }

    pre {
@ -488,11 +487,6 @@ $hover-select-border: 4px;
        overflow-x: overlay;
        overflow-y: visible;
    }
-
-    code {
-        // deliberate constants as we're behind an invert filter
-        background-color: #f8f8f8;
-    }
 }

 .mx_EventTile_lineNumbers {
--- a/res/css/views/rooms/_LinkPreviewGroup.scss
+++ b/res/css/views/rooms/_LinkPreviewGroup.scss
@ -0,0 +1,38 @@
+/*
+Copyright 2021 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_LinkPreviewGroup {
+    .mx_LinkPreviewGroup_hide {
+        cursor: pointer;
+        width: 18px;
+        height: 18px;
+
+        img {
+            flex: 0 0 40px;
+            visibility: hidden;
+        }
+    }
+
+    &:hover .mx_LinkPreviewGroup_hide img,
+    .mx_LinkPreviewGroup_hide.focus-visible:focus img {
+        visibility: visible;
+    }
+
+    > .mx_AccessibleButton {
+        color: $accent-color;
+        text-align: center;
+    }
+}
--- a/res/css/views/rooms/_LinkPreviewWidget.scss
+++ b/res/css/views/rooms/_LinkPreviewWidget.scss
@ -33,12 +33,16 @@ limitations under the License.
 .mx_LinkPreviewWidget_caption {
    margin-left: 15px;
    flex: 1 1 auto;
+    overflow-x: hidden; // cause it to wrap rather than clip
 }

 .mx_LinkPreviewWidget_title {
-    display: inline;
    font-weight: bold;
    white-space: normal;
+    display: -webkit-box;
+    -webkit-line-clamp: 2;
+    -webkit-box-orient: vertical;
+    overflow: hidden;
 }

 .mx_LinkPreviewWidget_siteName {
@ -49,22 +53,9 @@ limitations under the License.
    margin-top: 8px;
    white-space: normal;
    word-wrap: break-word;
-}
-
-.mx_LinkPreviewWidget_cancel {
-    cursor: pointer;
-    width: 18px;
-    height: 18px;
-
-    img {
-        flex: 0 0 40px;
-        visibility: hidden;
-    }
-}
-
-.mx_LinkPreviewWidget:hover .mx_LinkPreviewWidget_cancel img,
-.mx_LinkPreviewWidget_cancel.focus-visible:focus img {
-    visibility: visible;
+    display: -webkit-box;
+    -webkit-line-clamp: 3;
+    -webkit-box-orient: vertical;
 }

 .mx_MatrixChat_useCompactLayout {
--- a/res/themes/dark/css/_dark.scss
+++ b/res/themes/dark/css/_dark.scss
@ -119,8 +119,6 @@ $voipcall-plinth-color: #394049;

 $theme-button-bg-color: #e3e8f0;
 $dialpad-button-bg-color: #6F7882;
-;
-

 $roomlist-button-bg-color: rgba(141, 151, 165, 0.2); // Buttons include the filter box, explore button, and sublist buttons
 $roomlist-filter-active-bg-color: $bg-color;
@ -274,24 +272,7 @@ $composer-shadow-color: rgba(0, 0, 0, 0.28);
 }

 // markdown overrides:
-.mx_EventTile_content .markdown-body pre:hover {
-    border-color: #808080 !important; // inverted due to rules below
-    scrollbar-color: rgba(0, 0, 0, 0.2) transparent; // copied from light theme due to inversion below
-    // the code above works only in Firefox, this is for other browsers
-    // see https://developer.mozilla.org/en-US/docs/Web/CSS/scrollbar-color
-    &::-webkit-scrollbar-thumb {
-        background-color: rgba(0, 0, 0, 0.2); // copied from light theme due to inversion below
-    }
-}
 .mx_EventTile_content .markdown-body {
-    pre, code {
-        filter: invert(1);
-    }
-
-    pre code {
-        filter: none;
-    }
-
    table {
        tr {
            background-color: #000000;
@ -301,18 +282,9 @@ $composer-shadow-color: rgba(0, 0, 0, 0.28);
            background-color: #080808;
        }
    }
-
-    blockquote {
-        color: #919191;
-    }
 }

-// diff highlight colors
-// intentionally swapped to avoid inversion
-.hljs-addition {
-    background: #fdd;
-}
-
-.hljs-deletion {
-    background: #dfd;
+// highlight.js overrides
+.hljs-tag {
+    color: inherit; // Without this they'd be weirdly blue which doesn't match the theme
 }
--- a/res/themes/dark/css/dark.scss
+++ b/res/themes/dark/css/dark.scss
@ -9,3 +9,4 @@
@import "_dark.scss";
@import "../../light/css/_mods.scss";
@import "../../../../res/css/_components.scss";
+@import url("highlight.js/styles/atom-one-dark.css");
--- a/res/themes/legacy-dark/css/_legacy-dark.scss
+++ b/res/themes/legacy-dark/css/_legacy-dark.scss
@ -118,7 +118,7 @@ $voipcall-plinth-color: #394049;

 $theme-button-bg-color: #e3e8f0;
 $dialpad-button-bg-color: #6F7882;
-;
+

 $roomlist-button-bg-color: #1A1D23; // Buttons include the filter box, explore button, and sublist buttons
 $roomlist-filter-active-bg-color: $roomlist-button-bg-color;
@ -249,7 +249,7 @@ $composer-shadow-color: tranparent;
@define-mixin mx_DialogButton_secondary {
    // flip colours for the secondary ones
    font-weight: 600;
-    border: 1px solid $accent-color ! important;
+    border: 1px solid $accent-color !important;
    color: $accent-color;
    background-color: $button-secondary-bg-color;
 }
@ -267,18 +267,7 @@ $composer-shadow-color: tranparent;
 }

 // markdown overrides:
-.mx_EventTile_content .markdown-body pre:hover {
-    border-color: #808080 !important; // inverted due to rules below
-}
 .mx_EventTile_content .markdown-body {
-    pre, code {
-        filter: invert(1);
-    }
-
-    pre code {
-        filter: none;
-    }
-
    table {
        tr {
            background-color: #000000;
@ -290,12 +279,7 @@ $composer-shadow-color: tranparent;
    }
 }

-// diff highlight colors
-// intentionally swapped to avoid inversion
-.hljs-addition {
-    background: #fdd;
-}
-
-.hljs-deletion {
-    background: #dfd;
+// highlight.js overrides:
+.hljs-tag {
+    color: inherit; // Without this they'd be weirdly blue which doesn't match the theme
 }
--- a/res/themes/legacy-dark/css/legacy-dark.scss
+++ b/res/themes/legacy-dark/css/legacy-dark.scss
@ -4,3 +4,4 @@
@import "../../legacy-light/css/_legacy-light.scss";
@import "_legacy-dark.scss";
@import "../../../../res/css/_components.scss";
+@import url("highlight.js/styles/atom-one-dark.css");
--- a/res/themes/legacy-light/css/legacy-light.scss
+++ b/res/themes/legacy-light/css/legacy-light.scss
@ -3,3 +3,4 @@
@import "_fonts.scss";
@import "_legacy-light.scss";
@import "../../../../res/css/_components.scss";
+@import url("highlight.js/styles/atom-one-light.css");
--- a/res/themes/light/css/light.scss
+++ b/res/themes/light/css/light.scss
@ -4,3 +4,4 @@
@import "_light.scss";
@import "_mods.scss";
@import "../../../../res/css/_components.scss";
+@import url("highlight.js/styles/atom-one-light.css");
--- a/scripts/ci/install-deps.sh
+++ b/scripts/ci/install-deps.sh
@ -6,8 +6,8 @@ scripts/fetchdep.sh matrix-org matrix-js-sdk

 pushd matrix-js-sdk
 yarn link
-yarn install $@
+yarn install --pure-lockfile $@
 popd

 yarn link matrix-js-sdk
-yarn install $@
+yarn install --pure-lockfile $@
--- a/scripts/ci/layered.sh
+++ b/scripts/ci/layered.sh
@ -13,13 +13,13 @@
 scripts/fetchdep.sh matrix-org matrix-js-sdk
 pushd matrix-js-sdk
 yarn link
-yarn install
+yarn install --pure-lockfile
 popd

 # Now set up the react-sdk
 yarn link matrix-js-sdk
 yarn link
-yarn install
+yarn install --pure-lockfile
 yarn reskindex

 # Finally, set up element-web
@ -27,6 +27,6 @@ scripts/fetchdep.sh vector-im element-web
 pushd element-web
 yarn link matrix-js-sdk
 yarn link matrix-react-sdk
-yarn install
+yarn install --pure-lockfile
 yarn build:res
 popd
--- a/src/Analytics.tsx
+++ b/src/Analytics.tsx
@ -390,6 +390,7 @@ export class Analytics {
            { expl: _td('Your device resolution'), value: resolution },
        ];

+        // FIXME: Using an import will result in test failures
        const ErrorDialog = sdk.getComponent('dialogs.ErrorDialog');
        Modal.createTrackedDialog('Analytics Details', '', ErrorDialog, {
            title: _t('Analytics'),
--- a/src/AsyncWrapper.tsx
+++ b/src/AsyncWrapper.tsx
@ -77,6 +77,7 @@ export default class AsyncWrapper extends React.Component<IProps, IState> {
            const Component = this.state.component;
            return <Component {...this.props} />;
        } else if (this.state.error) {
+            // FIXME: Using an import will result in test failures
            const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
            const DialogButtons = sdk.getComponent('views.elements.DialogButtons');
            return <BaseDialog onFinished={this.props.onFinished} title={_t("Error")}>
--- a/src/ContentMessages.tsx
+++ b/src/ContentMessages.tsx
@ -49,8 +49,6 @@ const MAX_HEIGHT = 600;
 const PHYS_HIDPI = [0x00, 0x00, 0x16, 0x25, 0x00, 0x00, 0x16, 0x25, 0x01];

 export const BLURHASH_FIELD = "xyz.amorgan.blurhash"; // MSC2448
-const BLURHASH_X_COMPONENTS = 6;
-const BLURHASH_Y_COMPONENTS = 6;

 export class UploadCanceledError extends Error {}

@ -137,8 +135,9 @@ function createThumbnail(
            imageData.data,
            imageData.width,
            imageData.height,
-            BLURHASH_X_COMPONENTS,
-            BLURHASH_Y_COMPONENTS,
+            // use 4 components on the longer dimension, if square then both
+            imageData.width >= imageData.height ? 4 : 3,
+            imageData.height >= imageData.width ? 4 : 3,
        );
        canvas.toBlob(function(thumbnail) {
            resolve({
@ -419,6 +418,7 @@ export default class ContentMessages {

        const isQuoting = Boolean(RoomViewStore.getQuotingEvent());
        if (isQuoting) {
+            // FIXME: Using an import will result in Element crashing
            const QuestionDialog = sdk.getComponent("dialogs.QuestionDialog");
            const { finished } = Modal.createTrackedDialog<[boolean]>('Upload Reply Warning', '', QuestionDialog, {
                title: _t('Replying With Files'),
@ -453,6 +453,7 @@ export default class ContentMessages {
        }

        if (tooBigFiles.length > 0) {
+            // FIXME: Using an import will result in Element crashing
            const UploadFailureDialog = sdk.getComponent("dialogs.UploadFailureDialog");
            const { finished } = Modal.createTrackedDialog<[boolean]>('Upload Failure', '', UploadFailureDialog, {
                badFiles: tooBigFiles,
@ -463,7 +464,6 @@ export default class ContentMessages {
            if (!shouldContinue) return;
        }

-        const UploadConfirmDialog = sdk.getComponent("dialogs.UploadConfirmDialog");
        let uploadAll = false;
        // Promise to complete before sending next file into room, used for synchronisation of file-sending
        // to match the order the files were specified in
@ -471,6 +471,8 @@ export default class ContentMessages {
        for (let i = 0; i < okFiles.length; ++i) {
            const file = okFiles[i];
            if (!uploadAll) {
+                // FIXME: Using an import will result in Element crashing
+                const UploadConfirmDialog = sdk.getComponent("dialogs.UploadConfirmDialog");
                const { finished } = Modal.createTrackedDialog<[boolean, boolean]>('Upload Files confirmation',
                    '', UploadConfirmDialog, {
                        file,
@ -606,6 +608,7 @@ export default class ContentMessages {
                        { fileName: upload.fileName },
                    );
                }
+                // FIXME: Using an import will result in Element crashing
                const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
                Modal.createTrackedDialog('Upload failed', '', ErrorDialog, {
                    title: _t('Upload Failed'),
--- a/src/DeviceListener.ts
+++ b/src/DeviceListener.ts
@ -160,7 +160,8 @@ export default class DeviceListener {
        // which result in account data changes affecting checks below.
        if (
            ev.getType().startsWith('m.secret_storage.') ||
-            ev.getType().startsWith('m.cross_signing.')
+            ev.getType().startsWith('m.cross_signing.') ||
+            ev.getType() === 'm.megolm_backup.v1'
        ) {
            this._recheck();
        }
--- a/src/Lifecycle.ts
+++ b/src/Lifecycle.ts
@ -33,7 +33,6 @@ import Presence from './Presence';
 import dis from './dispatcher/dispatcher';
 import DMRoomMap from './utils/DMRoomMap';
 import Modal from './Modal';
-import * as sdk from './index';
 import ActiveWidgetStore from './stores/ActiveWidgetStore';
 import PlatformPeg from "./PlatformPeg";
 import { sendLoginRequest } from "./Login";
@ -52,6 +51,10 @@ import CallHandler from './CallHandler';
 import LifecycleCustomisations from "./customisations/Lifecycle";
 import ErrorDialog from "./components/views/dialogs/ErrorDialog";
 import { _t } from "./languageHandler";
+import LazyLoadingResyncDialog from "./components/views/dialogs/LazyLoadingResyncDialog";
+import LazyLoadingDisabledDialog from "./components/views/dialogs/LazyLoadingDisabledDialog";
+import SessionRestoreErrorDialog from "./components/views/dialogs/SessionRestoreErrorDialog";
+import StorageEvictedDialog from "./components/views/dialogs/StorageEvictedDialog";

 const HOMESERVER_URL_KEY = "mx_hs_url";
 const ID_SERVER_URL_KEY = "mx_is_url";
@ -238,8 +241,6 @@ export function handleInvalidStoreError(e: InvalidStoreError): Promise<void> {
        return Promise.resolve().then(() => {
            const lazyLoadEnabled = e.value;
            if (lazyLoadEnabled) {
-                const LazyLoadingResyncDialog =
-                    sdk.getComponent("views.dialogs.LazyLoadingResyncDialog");
                return new Promise((resolve) => {
                    Modal.createDialog(LazyLoadingResyncDialog, {
                        onFinished: resolve,
@ -250,8 +251,6 @@ export function handleInvalidStoreError(e: InvalidStoreError): Promise<void> {
                // between LL/non-LL version on same host.
                // as disabling LL when previously enabled
                // is a strong indicator of this (/develop & /app)
-                const LazyLoadingDisabledDialog =
-                    sdk.getComponent("views.dialogs.LazyLoadingDisabledDialog");
                return new Promise((resolve) => {
                    Modal.createDialog(LazyLoadingDisabledDialog, {
                        onFinished: resolve,
@ -451,9 +450,6 @@ export async function restoreFromLocalStorage(opts?: { ignoreGuest?: boolean }):
 async function handleLoadSessionFailure(e: Error): Promise<boolean> {
    console.error("Unable to load session", e);

-    const SessionRestoreErrorDialog =
-          sdk.getComponent('views.dialogs.SessionRestoreErrorDialog');
-
    const modal = Modal.createTrackedDialog('Session Restore Error', '', SessionRestoreErrorDialog, {
        error: e.message,
    });
@ -612,7 +608,6 @@ async function doSetLoggedIn(
 }

 function showStorageEvictedDialog(): Promise<boolean> {
-    const StorageEvictedDialog = sdk.getComponent('views.dialogs.StorageEvictedDialog');
    return new Promise(resolve => {
        Modal.createTrackedDialog('Storage evicted', '', StorageEvictedDialog, {
            onFinished: resolve,
--- a/src/MatrixClientPeg.ts
+++ b/src/MatrixClientPeg.ts
@ -219,6 +219,7 @@ class _MatrixClientPeg implements IMatrixClientPeg {
        } catch (e) {
            if (e && e.name === 'InvalidCryptoStoreError') {
                // The js-sdk found a crypto DB too new for it to use
+                // FIXME: Using an import will result in test failures
                const CryptoStoreTooNewDialog =
                    sdk.getComponent("views.dialogs.CryptoStoreTooNewDialog");
                Modal.createDialog(CryptoStoreTooNewDialog);
--- a/src/Notifier.ts
+++ b/src/Notifier.ts
@ -27,7 +27,6 @@ import * as TextForEvent from './TextForEvent';
 import Analytics from './Analytics';
 import * as Avatar from './Avatar';
 import dis from './dispatcher/dispatcher';
-import * as sdk from './index';
 import { _t } from './languageHandler';
 import Modal from './Modal';
 import SettingsStore from "./settings/SettingsStore";
@ -37,6 +36,7 @@ import { isPushNotifyDisabled } from "./settings/controllers/NotificationControl
 import RoomViewStore from "./stores/RoomViewStore";
 import UserActivity from "./UserActivity";
 import { mediaFromMxc } from "./customisations/Media";
+import ErrorDialog from "./components/views/dialogs/ErrorDialog";

 /*
 * Dispatches:
@ -240,7 +240,6 @@ export const Notifier = {
                        ? _t('%(brand)s does not have permission to send you notifications - ' +
                            'please check your browser settings', { brand })
                        : _t('%(brand)s was not given permission to send notifications - please try again', { brand });
-                    const ErrorDialog = sdk.getComponent('dialogs.ErrorDialog');
                    Modal.createTrackedDialog('Unable to enable Notifications', result, ErrorDialog, {
                        title: _t('Unable to enable Notifications'),
                        description,
--- a/src/RoomInvite.tsx
+++ b/src/RoomInvite.tsx
@ -22,13 +22,13 @@ import { User } from "matrix-js-sdk/src/models/user";
 import { MatrixClientPeg } from './MatrixClientPeg';
 import MultiInviter, { CompletionStates } from './utils/MultiInviter';
 import Modal from './Modal';
-import * as sdk from './';
 import { _t } from './languageHandler';
 import InviteDialog, { KIND_DM, KIND_INVITE, Member } from "./components/views/dialogs/InviteDialog";
 import CommunityPrototypeInviteDialog from "./components/views/dialogs/CommunityPrototypeInviteDialog";
 import { CommunityPrototypeStore } from "./stores/CommunityPrototypeStore";
 import BaseAvatar from "./components/views/avatars/BaseAvatar";
 import { mediaFromMxc } from "./customisations/Media";
+import ErrorDialog from "./components/views/dialogs/ErrorDialog";

 export interface IInviteResult {
    states: CompletionStates;
@ -51,7 +51,6 @@ export function inviteMultipleToRoom(roomId: string, addresses: string[]): Promi

 export function showStartChatInviteDialog(initialText = ""): void {
    // This dialog handles the room creation internally - we don't need to worry about it.
-    const InviteDialog = sdk.getComponent("dialogs.InviteDialog");
    Modal.createTrackedDialog(
        'Start DM', '', InviteDialog, { kind: KIND_DM, initialText },
        /*className=*/null, /*isPriority=*/false, /*isStatic=*/true,
@ -111,7 +110,6 @@ export function inviteUsersToRoom(roomId: string, userIds: string[]): Promise<vo
        showAnyInviteErrors(result.states, room, result.inviter);
    }).catch((err) => {
        console.error(err.stack);
-        const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
        Modal.createTrackedDialog('Failed to invite', '', ErrorDialog, {
            title: _t("Failed to invite"),
            description: ((err && err.message) ? err.message : _t("Operation failed")),
@ -131,7 +129,6 @@ export function showAnyInviteErrors(
        // Just get the first message because there was a fatal problem on the first
        // user. This usually means that no other users were attempted, making it
        // pointless for us to list who failed exactly.
-        const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
        Modal.createTrackedDialog('Failed to invite users to the room', '', ErrorDialog, {
            title: _t("Failed to invite users to the room:", { roomName: room.name }),
            description: inviter.getErrorText(failedUsers[0]),
@ -178,7 +175,6 @@ export function showAnyInviteErrors(
                </div>
            </div>;

-            const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
            Modal.createTrackedDialog("Some invites could not be sent", "", ErrorDialog, {
                title: _t("Some invites couldn't be sent"),
                description,
--- a/src/SecurityManager.ts
+++ b/src/SecurityManager.ts
@ -14,7 +14,8 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */

-import { ICryptoCallbacks, ISecretStorageKeyInfo } from 'matrix-js-sdk/src/matrix';
+import { ICryptoCallbacks } from 'matrix-js-sdk/src/matrix';
+import { ISecretStorageKeyInfo } from 'matrix-js-sdk/src/crypto/api';
 import { MatrixClient } from 'matrix-js-sdk/src/client';
 import Modal from './Modal';
 import * as sdk from './index';
@ -354,6 +355,7 @@ export async function accessSecretStorage(func = async () => { }, forceReset = f
                throw new Error("Secret storage creation canceled");
            }
        } else {
+            // FIXME: Using an import will result in test failures
            const InteractiveAuthDialog = sdk.getComponent("dialogs.InteractiveAuthDialog");
            await cli.bootstrapCrossSigning({
                authUploadDeviceSigningKeys: async (makeRequest) => {
--- a/src/SlashCommands.tsx
+++ b/src/SlashCommands.tsx
@ -23,7 +23,6 @@ import { User } from "matrix-js-sdk/src/models/user";
 import * as ContentHelpers from 'matrix-js-sdk/src/content-helpers';
 import { MatrixClientPeg } from './MatrixClientPeg';
 import dis from './dispatcher/dispatcher';
-import * as sdk from './index';
 import { _t, _td } from './languageHandler';
 import Modal from './Modal';
 import MultiInviter from './utils/MultiInviter';
@ -50,6 +49,12 @@ import { CHAT_EFFECTS } from "./effects";
 import CallHandler from "./CallHandler";
 import { guessAndSetDMRoom } from "./Rooms";
 import { upgradeRoom } from './utils/RoomUpgrade';
+import UploadConfirmDialog from './components/views/dialogs/UploadConfirmDialog';
+import ErrorDialog from './components/views/dialogs/ErrorDialog';
+import DevtoolsDialog from './components/views/dialogs/DevtoolsDialog';
+import RoomUpgradeWarningDialog from "./components/views/dialogs/RoomUpgradeWarningDialog";
+import InfoDialog from "./components/views/dialogs/InfoDialog";
+import SlashCommandHelpDialog from "./components/views/dialogs/SlashCommandHelpDialog";

 // XXX: workaround for https://github.com/microsoft/TypeScript/issues/31816
 interface HTMLInputEvent extends Event {
@ -63,7 +68,6 @@ const singleMxcUpload = async (): Promise<any> => {
        fileSelector.onchange = (ev: HTMLInputEvent) => {
            const file = ev.target.files[0];

-            const UploadConfirmDialog = sdk.getComponent("dialogs.UploadConfirmDialog");
            Modal.createTrackedDialog('Upload Files confirmation', '', UploadConfirmDialog, {
                file,
                onFinished: (shouldContinue) => {
@ -246,7 +250,6 @@ export const Commands = [
        args: '<query>',
        description: _td('Searches DuckDuckGo for results'),
        runFn: function() {
-            const ErrorDialog = sdk.getComponent('dialogs.ErrorDialog');
            // TODO Don't explain this away, actually show a search UI here.
            Modal.createTrackedDialog('Slash Commands', '/ddg is not a command', ErrorDialog, {
                title: _t('/ddg is not a command'),
@ -269,8 +272,6 @@ export const Commands = [
                    return reject(_t("You do not have the required permissions to use this command."));
                }

-                const RoomUpgradeWarningDialog = sdk.getComponent("dialogs.RoomUpgradeWarningDialog");
-
                const { finished } = Modal.createTrackedDialog('Slash Commands', 'upgrade room confirmation',
                    RoomUpgradeWarningDialog, { roomId: roomId, targetVersion: args }, /*className=*/null,
                    /*isPriority=*/false, /*isStatic=*/true);
@ -391,7 +392,6 @@ export const Commands = [
            const topic = topicEvents && topicEvents.getContent().topic;
            const topicHtml = topic ? linkifyAndSanitizeHtml(topic) : _t('This room has no topic.');

-            const InfoDialog = sdk.getComponent('dialogs.InfoDialog');
            Modal.createTrackedDialog('Slash Commands', 'Topic', InfoDialog, {
                title: room.name,
                description: <div dangerouslySetInnerHTML={{ __html: topicHtml }} />,
@ -694,7 +694,6 @@ export const Commands = [
                    ignoredUsers.push(userId); // de-duped internally in the js-sdk
                    return success(
                        cli.setIgnoredUsers(ignoredUsers).then(() => {
-                            const InfoDialog = sdk.getComponent('dialogs.InfoDialog');
                            Modal.createTrackedDialog('Slash Commands', 'User ignored', InfoDialog, {
                                title: _t('Ignored user'),
                                description: <div>
@ -725,7 +724,6 @@ export const Commands = [
                    if (index !== -1) ignoredUsers.splice(index, 1);
                    return success(
                        cli.setIgnoredUsers(ignoredUsers).then(() => {
-                            const InfoDialog = sdk.getComponent('dialogs.InfoDialog');
                            Modal.createTrackedDialog('Slash Commands', 'User unignored', InfoDialog, {
                                title: _t('Unignored user'),
                                description: <div>
@ -795,7 +793,6 @@ export const Commands = [
        command: 'devtools',
        description: _td('Opens the Developer Tools dialog'),
        runFn: function(roomId) {
-            const DevtoolsDialog = sdk.getComponent('dialogs.DevtoolsDialog');
            Modal.createDialog(DevtoolsDialog, { roomId });
            return success();
        },
@ -900,7 +897,6 @@ export const Commands = [
                        await cli.setDeviceVerified(userId, deviceId, true);

                        // Tell the user we verified everything
-                        const InfoDialog = sdk.getComponent('dialogs.InfoDialog');
                        Modal.createTrackedDialog('Slash Commands', 'Verified key', InfoDialog, {
                            title: _t('Verified key'),
                            description: <div>
@ -957,8 +953,6 @@ export const Commands = [
        command: "help",
        description: _td("Displays list of commands with usages and descriptions"),
        runFn: function() {
-            const SlashCommandHelpDialog = sdk.getComponent('dialogs.SlashCommandHelpDialog');
-
            Modal.createTrackedDialog('Slash Commands', 'Help', SlashCommandHelpDialog);
            return success();
        },
--- a/src/Terms.ts
+++ b/src/Terms.ts
@ -189,6 +189,7 @@ export function dialogTermsInteractionCallback(
 ): Promise<string[]> {
    return new Promise((resolve, reject) => {
        console.log("Terms that need agreement", policiesAndServicePairs);
+        // FIXME: Using an import will result in test failures
        const TermsDialog = sdk.getComponent("views.dialogs.TermsDialog");

        Modal.createTrackedDialog('Terms of Service', '', TermsDialog, {
--- a/src/accessibility/KeyboardShortcuts.tsx
+++ b/src/accessibility/KeyboardShortcuts.tsx
@ -17,10 +17,10 @@ limitations under the License.
 import * as React from "react";
 import classNames from "classnames";

-import * as sdk from "../index";
 import Modal from "../Modal";
 import { _t, _td } from "../languageHandler";
 import { isMac, Key } from "../Keyboard";
+import InfoDialog from "../components/views/dialogs/InfoDialog";

 // TS: once languageHandler is TS we can probably inline this into the enum
 _td("Navigation");
@ -375,7 +375,6 @@ export const toggleDialog = () => {
        </div>;
    });

-    const InfoDialog = sdk.getComponent('dialogs.InfoDialog');
    activeModal = Modal.createTrackedDialog("Keyboard Shortcuts", "", InfoDialog, {
        className: "mx_KeyboardShortcutsDialog",
        title: _t("Keyboard Shortcuts"),
--- a/src/actions/RoomListActions.ts
+++ b/src/actions/RoomListActions.ts
@ -19,13 +19,13 @@ import { asyncAction } from './actionCreators';
 import Modal from '../Modal';
 import * as Rooms from '../Rooms';
 import { _t } from '../languageHandler';
-import * as sdk from '../index';
 import { MatrixClient } from "matrix-js-sdk/src/client";
 import { Room } from "matrix-js-sdk/src/models/room";
 import { AsyncActionPayload } from "../dispatcher/payloads";
 import RoomListStore from "../stores/room-list/RoomListStore";
 import { SortAlgorithm } from "../stores/room-list/algorithms/models";
 import { DefaultTagID } from "../stores/room-list/models";
+import ErrorDialog from '../components/views/dialogs/ErrorDialog';

 export default class RoomListActions {
    /**
@ -88,7 +88,6 @@ export default class RoomListActions {
                return Rooms.guessAndSetDMRoom(
                    room, newTag === DefaultTagID.DM,
                ).catch((err) => {
-                    const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
                    console.error("Failed to set direct chat tag " + err);
                    Modal.createTrackedDialog('Failed to set direct chat tag', '', ErrorDialog, {
                        title: _t('Failed to set direct chat tag'),
@ -109,7 +108,6 @@ export default class RoomListActions {
                const promiseToDelete = matrixClient.deleteRoomTag(
                    roomId, oldTag,
                ).catch(function(err) {
-                    const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
                    console.error("Failed to remove tag " + oldTag + " from room: " + err);
                    Modal.createTrackedDialog('Failed to remove tag from room', '', ErrorDialog, {
                        title: _t('Failed to remove tag %(tagName)s from room', { tagName: oldTag }),
@ -129,7 +127,6 @@ export default class RoomListActions {
                metaData = metaData || {};

                const promiseToAdd = matrixClient.setRoomTag(roomId, newTag, metaData).catch(function(err) {
-                    const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
                    console.error("Failed to add tag " + newTag + " to room: " + err);
                    Modal.createTrackedDialog('Failed to add tag to room', '', ErrorDialog, {
                        title: _t('Failed to add tag %(tagName)s to room', { tagName: newTag }),
--- a/src/async-components/views/dialogs/eventindex/ManageEventIndexDialog.tsx
+++ b/src/async-components/views/dialogs/eventindex/ManageEventIndexDialog.tsx
@ -15,7 +15,6 @@ limitations under the License.
 */

 import React from 'react';
-import * as sdk from '../../../../index';
 import { _t } from '../../../../languageHandler';
 import SdkConfig from '../../../../SdkConfig';
 import SettingsStore from "../../../../settings/SettingsStore";
@ -24,6 +23,9 @@ import Modal from '../../../../Modal';
 import { formatBytes, formatCountLong } from "../../../../utils/FormattingUtils";
 import EventIndexPeg from "../../../../indexing/EventIndexPeg";
 import { SettingLevel } from "../../../../settings/SettingLevel";
+import Field from '../../../../components/views/elements/Field';
+import BaseDialog from "../../../../components/views/dialogs/BaseDialog";
+import DialogButtons from "../../../../components/views/elements/DialogButtons";

 interface IProps {
    onFinished: (confirmed: boolean) => void;
@ -145,7 +147,6 @@ export default class ManageEventIndexDialog extends React.Component<IProps, ISta

    render() {
        const brand = SdkConfig.get().brand;
-        const Field = sdk.getComponent('views.elements.Field');

        let crawlerState;
        if (this.state.currentRoom === null) {
@ -176,15 +177,12 @@ export default class ManageEventIndexDialog extends React.Component<IProps, ISta
                    <Field
                        label={_t('Message downloading sleep time(ms)')}
                        type='number'
-                        value={this.state.crawlerSleepTime}
+                        value={this.state.crawlerSleepTime.toString()}
                        onChange={this.onCrawlerSleepTimeChange} />
                </div>
            </div>
        );

-        const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
-        const DialogButtons = sdk.getComponent('views.elements.DialogButtons');
-
        return (
            <BaseDialog className='mx_ManageEventIndexDialog'
                onFinished={this.props.onFinished}
--- a/src/autocomplete/CommunityProvider.tsx
+++ b/src/autocomplete/CommunityProvider.tsx
@ -22,12 +22,12 @@ import AutocompleteProvider from './AutocompleteProvider';
 import { MatrixClientPeg } from '../MatrixClientPeg';
 import QueryMatcher from './QueryMatcher';
 import { PillCompletion } from './Components';
-import * as sdk from '../index';
 import { sortBy } from "lodash";
 import { makeGroupPermalink } from "../utils/permalinks/Permalinks";
 import { ICompletion, ISelectionRange } from "./Autocompleter";
 import FlairStore from "../stores/FlairStore";
 import { mediaFromMxc } from "../customisations/Media";
+import BaseAvatar from '../components/views/avatars/BaseAvatar';

 const COMMUNITY_REGEX = /\B\+\S*/g;

@ -56,8 +56,6 @@ export default class CommunityProvider extends AutocompleteProvider {
        force = false,
        limit = -1,
    ): Promise<ICompletion[]> {
-        const BaseAvatar = sdk.getComponent('views.avatars.BaseAvatar');
-
        // Disable autocompletions when composing commands because of various issues
        // (see https://github.com/vector-im/element-web/issues/4762)
        if (/^(\/join|\/leave)/.test(query)) {
--- a/src/autocomplete/NotifProvider.tsx
+++ b/src/autocomplete/NotifProvider.tsx
@ -21,8 +21,8 @@ import AutocompleteProvider from './AutocompleteProvider';
 import { _t } from '../languageHandler';
 import { MatrixClientPeg } from '../MatrixClientPeg';
 import { PillCompletion } from './Components';
-import * as sdk from '../index';
 import { ICompletion, ISelectionRange } from "./Autocompleter";
+import RoomAvatar from '../components/views/avatars/RoomAvatar';

 const AT_ROOM_REGEX = /@\S*/g;

@ -40,8 +40,6 @@ export default class NotifProvider extends AutocompleteProvider {
        force = false,
        limit = -1,
    ): Promise<ICompletion[]> {
-        const RoomAvatar = sdk.getComponent('views.avatars.RoomAvatar');
-
        const client = MatrixClientPeg.get();

        if (!this.room.currentState.mayTriggerNotifOfType('room', client.credentials.userId)) return [];
--- a/src/autocomplete/UserProvider.tsx
+++ b/src/autocomplete/UserProvider.tsx
@ -21,7 +21,6 @@ import React from 'react';
 import { _t } from '../languageHandler';
 import AutocompleteProvider from './AutocompleteProvider';
 import { PillCompletion } from './Components';
-import * as sdk from '../index';
 import QueryMatcher from './QueryMatcher';
 import { sortBy } from 'lodash';
 import { MatrixClientPeg } from '../MatrixClientPeg';
@ -33,6 +32,7 @@ import { RoomState } from "matrix-js-sdk/src/models/room-state";
 import { EventTimeline } from "matrix-js-sdk/src/models/event-timeline";
 import { makeUserPermalink } from "../utils/permalinks/Permalinks";
 import { ICompletion, ISelectionRange } from "./Autocompleter";
+import MemberAvatar from '../components/views/avatars/MemberAvatar';

 const USER_REGEX = /\B@\S*/g;

@ -108,8 +108,6 @@ export default class UserProvider extends AutocompleteProvider {
        force = false,
        limit = -1,
    ): Promise<ICompletion[]> {
-        const MemberAvatar = sdk.getComponent('views.avatars.MemberAvatar');
-
        // lazy-load user list into matcher
        if (!this.users) this._makeUsers();

--- a/src/components/structures/FilePanel.tsx
+++ b/src/components/structures/FilePanel.tsx
@ -24,7 +24,6 @@ import { MatrixEvent } from "matrix-js-sdk/src/models/event";
 import { Room } from 'matrix-js-sdk/src/models/room';
 import { TimelineWindow } from 'matrix-js-sdk/src/timeline-window';

-import * as sdk from '../../index';
 import { MatrixClientPeg } from '../../MatrixClientPeg';
 import EventIndexPeg from "../../indexing/EventIndexPeg";
 import { _t } from '../../languageHandler';
@ -34,6 +33,9 @@ import DesktopBuildsNotice, { WarningKind } from "../views/elements/DesktopBuild
 import { replaceableComponent } from "../../utils/replaceableComponent";

 import ResizeNotifier from '../../utils/ResizeNotifier';
+import TimelinePanel from "./TimelinePanel";
+import Spinner from "../views/elements/Spinner";
+import { TileShape } from '../views/rooms/EventTile';

 interface IProps {
    roomId: string;
@ -237,8 +239,6 @@ class FilePanel extends React.Component<IProps, IState> {
        }

        // wrap a TimelinePanel with the jump-to-event bits turned off.
-        const TimelinePanel = sdk.getComponent("structures.TimelinePanel");
-        const Loader = sdk.getComponent("elements.Spinner");

        const emptyState = (<div className="mx_RightPanel_empty mx_FilePanel_empty">
            <h2>{_t('No files visible in this room')}</h2>
@ -264,7 +264,7 @@ class FilePanel extends React.Component<IProps, IState> {
                        timelineSet={this.state.timelineSet}
                        showUrlPreview = {false}
                        onPaginationRequest={this.onPaginationRequest}
-                        tileShape="file_grid"
+                        tileShape={TileShape.FileGrid}
                        resizeNotifier={this.props.resizeNotifier}
                        empty={emptyState}
                    />
@ -277,7 +277,7 @@ class FilePanel extends React.Component<IProps, IState> {
                    onClose={this.props.onClose}
                    previousPhase={RightPanelPhases.RoomSummary}
                >
-                    <Loader />
+                    <Spinner />
                </BaseCard>
            );
        }
--- a/src/components/structures/HomePage.tsx
+++ b/src/components/structures/HomePage.tsx
@ -96,6 +96,7 @@ const HomePage: React.FC<IProps> = ({ justRegistered = false }) => {
    const pageUrl = getHomePageUrl(config);

    if (pageUrl) {
+        // FIXME: Using an import will result in wrench-element-tests failures
        const EmbeddedPage = sdk.getComponent('structures.EmbeddedPage');
        return <EmbeddedPage className="mx_HomePage" url={pageUrl} scrollbar={true} />;
    }
--- a/src/components/structures/LoggedInView.tsx
+++ b/src/components/structures/LoggedInView.tsx
@ -24,7 +24,6 @@ import { Key } from '../../Keyboard';
 import PageTypes from '../../PageTypes';
 import MediaDeviceHandler from '../../MediaDeviceHandler';
 import { fixupColorFonts } from '../../utils/FontManager';
-import * as sdk from '../../index';
 import dis from '../../dispatcher/dispatcher';
 import { IMatrixClientCreds } from '../../MatrixClientPeg';
 import SettingsStore from "../../settings/SettingsStore";
@ -59,6 +58,11 @@ import { replaceableComponent } from "../../utils/replaceableComponent";
 import CallHandler, { CallHandlerEvent } from '../../CallHandler';
 import { MatrixCall } from 'matrix-js-sdk/src/webrtc/call';
 import AudioFeedArrayForCall from '../views/voip/AudioFeedArrayForCall';
+import RoomView from './RoomView';
+import ToastContainer from './ToastContainer';
+import MyGroups from "./MyGroups";
+import UserView from "./UserView";
+import GroupView from "./GroupView";

 // 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.
@ -78,8 +82,8 @@ interface IProps {
    hideToSRUsers: boolean;
    resizeNotifier: ResizeNotifier;
    // eslint-disable-next-line camelcase
-    page_type: string;
-    autoJoin: boolean;
+    page_type?: string;
+    autoJoin?: boolean;
    threepidInvite?: IThreepidInvite;
    roomOobData?: IOOBData;
    currentRoomId: string;
@ -567,12 +571,6 @@ class LoggedInView extends React.Component<IProps, IState> {
    };

    render() {
-        const RoomView = sdk.getComponent('structures.RoomView');
-        const UserView = sdk.getComponent('structures.UserView');
-        const GroupView = sdk.getComponent('structures.GroupView');
-        const MyGroups = sdk.getComponent('structures.MyGroups');
-        const ToastContainer = sdk.getComponent('structures.ToastContainer');
-
        let pageElement;

        switch (this.props.page_type) {
--- a/src/components/structures/MatrixChat.tsx
+++ b/src/components/structures/MatrixChat.tsx
@ -36,7 +36,6 @@ import dis from "../../dispatcher/dispatcher";
 import Notifier from '../../Notifier';

 import Modal from "../../Modal";
-import * as sdk from '../../index';
 import { showRoomInviteDialog, showStartChatInviteDialog } from '../../RoomInvite';
 import * as Rooms from '../../Rooms';
 import linkifyMatrix from "../../linkify-matrix";
@ -85,9 +84,27 @@ import RoomListStore from "../../stores/room-list/RoomListStore";
 import { RoomUpdateCause } from "../../stores/room-list/models";
 import defaultDispatcher from "../../dispatcher/dispatcher";
 import SecurityCustomisations from "../../customisations/Security";
+import Spinner from "../views/elements/Spinner";
+import QuestionDialog from "../views/dialogs/QuestionDialog";
+import UserSettingsDialog from '../views/dialogs/UserSettingsDialog';
+import CreateGroupDialog from '../views/dialogs/CreateGroupDialog';
+import CreateRoomDialog from '../views/dialogs/CreateRoomDialog';
+import RoomDirectory from './RoomDirectory';
+import KeySignatureUploadFailedDialog from "../views/dialogs/KeySignatureUploadFailedDialog";
+import IncomingSasDialog from "../views/dialogs/IncomingSasDialog";
+import CompleteSecurity from "./auth/CompleteSecurity";
+import LoggedInView from './LoggedInView';
+import Welcome from "../views/auth/Welcome";
+import ForgotPassword from "./auth/ForgotPassword";
+import E2eSetup from "./auth/E2eSetup";
+import Registration from './auth/Registration';
+import Login from "./auth/Login";
+import ErrorBoundary from '../views/elements/ErrorBoundary';
+import VerificationRequestToast from '../views/toasts/VerificationRequestToast';

 import PerformanceMonitor, { PerformanceEntryNames } from "../../performance";
 import UIStore, { UI_EVENTS } from "../../stores/UIStore";
+import SoftLogout from './auth/SoftLogout';

 /** constants for MatrixChat.state.view */
 export enum Views {
@ -156,7 +173,12 @@ interface IRoomInfo {
 /* eslint-enable camelcase */

 interface IProps { // TODO type things better
-    config: Record<string, any>;
+    config: {
+        piwik: {
+            policyUrl: string;
+        };
+        [key: string]: any;
+    };
    serverConfig?: ValidatedServerConfig;
    onNewScreen: (screen: string, replaceLast: boolean) => void;
    enableGuest?: boolean;
@ -519,7 +541,6 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {

    onAction = (payload) => {
        // console.log(`MatrixClientPeg.onAction: ${payload.action}`);
-        const QuestionDialog = sdk.getComponent("dialogs.QuestionDialog");

        // Start the onboarding process for certain actions
        if (MatrixClientPeg.get() && MatrixClientPeg.get().isGuest() &&
@ -613,8 +634,7 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
                    onFinished: (confirm) => {
                        if (confirm) {
                            // FIXME: controller shouldn't be loading a view :(
-                            const Loader = sdk.getComponent("elements.Spinner");
-                            const modal = Modal.createDialog(Loader, null, 'mx_Dialog_spinner');
+                            const modal = Modal.createDialog(Spinner, null, 'mx_Dialog_spinner');

                            MatrixClientPeg.get().leave(payload.room_id).then(() => {
                                modal.close();
@ -650,7 +670,6 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
            }
            case Action.ViewUserSettings: {
                const tabPayload = payload as OpenToTabPayload;
-                const UserSettingsDialog = sdk.getComponent("dialogs.UserSettingsDialog");
                Modal.createTrackedDialog('User settings', '', UserSettingsDialog,
                    { initialTabId: tabPayload.initialTabId },
                    /*className=*/null, /*isPriority=*/false, /*isStatic=*/true);
@ -663,11 +682,12 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
                this.createRoom(payload.public, payload.defaultName);
                break;
            case 'view_create_group': {
-                let CreateGroupDialog = sdk.getComponent("dialogs.CreateGroupDialog");
-                if (SettingsStore.getValue("feature_communities_v2_prototypes")) {
-                    CreateGroupDialog = CreateCommunityPrototypeDialog;
-                }
-                Modal.createTrackedDialog('Create Community', '', CreateGroupDialog);
+                const prototype = SettingsStore.getValue("feature_communities_v2_prototypes");
+                Modal.createTrackedDialog(
+                    'Create Community',
+                    '',
+                    prototype ? CreateCommunityPrototypeDialog : CreateGroupDialog,
+                );
                break;
            }
            case Action.ViewRoomDirectory: {
@ -677,7 +697,6 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
                        room_id: SpaceStore.instance.activeSpace.roomId,
                    });
                } else {
-                    const RoomDirectory = sdk.getComponent("structures.RoomDirectory");
                    Modal.createTrackedDialog('Room directory', '', RoomDirectory, {
                        initialText: payload.initialText,
                    }, 'mx_RoomDirectory_dialogWrapper', false, true);
@ -1019,7 +1038,6 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
            }
        }

-        const CreateRoomDialog = sdk.getComponent('dialogs.CreateRoomDialog');
        const modal = Modal.createTrackedDialog('Create Room', '', CreateRoomDialog, {
            defaultPublic,
            defaultName,
@ -1116,7 +1134,6 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
    }

    private leaveRoom(roomId: string) {
-        const QuestionDialog = sdk.getComponent("dialogs.QuestionDialog");
        const roomToLeave = MatrixClientPeg.get().getRoom(roomId);
        const warnings = this.leaveRoomWarnings(roomId);

@ -1143,8 +1160,7 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
                    const d = leaveRoomBehaviour(roomId);

                    // FIXME: controller shouldn't be loading a view :(
-                    const Loader = sdk.getComponent("elements.Spinner");
-                    const modal = Modal.createDialog(Loader, null, 'mx_Dialog_spinner');
+                    const modal = Modal.createDialog(Spinner, null, 'mx_Dialog_spinner');

                    d.finally(() => modal.close());
                    dis.dispatch({
@ -1439,7 +1455,6 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
            });
        });
        cli.on('no_consent', function(message, consentUri) {
-            const QuestionDialog = sdk.getComponent("dialogs.QuestionDialog");
            Modal.createTrackedDialog('No Consent Dialog', '', QuestionDialog, {
                title: _t('Terms and Conditions'),
                description: <div>
@ -1548,8 +1563,6 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
        });

        cli.on("crypto.keySignatureUploadFailure", (failures, source, continuation) => {
-            const KeySignatureUploadFailedDialog =
-                sdk.getComponent('views.dialogs.KeySignatureUploadFailedDialog');
            Modal.createTrackedDialog(
                'Failed to upload key signatures',
                'Failed to upload key signatures',
@ -1559,7 +1572,6 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {

        cli.on("crypto.verification.request", request => {
            if (request.verifier) {
-                const IncomingSasDialog = sdk.getComponent("views.dialogs.IncomingSasDialog");
                Modal.createTrackedDialog('Incoming Verification', '', IncomingSasDialog, {
                    verifier: request.verifier,
                }, null, /* priority = */ false, /* static = */ true);
@ -1569,7 +1581,7 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
                    title: _t("Verification requested"),
                    icon: "verification",
                    props: { request },
-                    component: sdk.getComponent("toasts.VerificationRequestToast"),
+                    component: VerificationRequestToast,
                    priority: 90,
                });
            }
@ -1977,21 +1989,18 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
        let view = null;

        if (this.state.view === Views.LOADING) {
-            const Spinner = sdk.getComponent('elements.Spinner');
            view = (
                <div className="mx_MatrixChat_splash">
                    <Spinner />
                </div>
            );
        } else if (this.state.view === Views.COMPLETE_SECURITY) {
-            const CompleteSecurity = sdk.getComponent('structures.auth.CompleteSecurity');
            view = (
                <CompleteSecurity
                    onFinished={this.onCompleteSecurityE2eSetupFinished}
                />
            );
        } else if (this.state.view === Views.E2E_SETUP) {
-            const E2eSetup = sdk.getComponent('structures.auth.E2eSetup');
            view = (
                <E2eSetup
                    onFinished={this.onCompleteSecurityE2eSetupFinished}
@ -2012,7 +2021,6 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
                 * we should go through and figure out what we actually need to pass down, as well
                 * as using something like redux to avoid having a billion bits of state kicking around.
                 */
-                const LoggedInView = sdk.getComponent('structures.LoggedInView');
                view = (
                    <LoggedInView
                        {...this.props}
@ -2020,14 +2028,12 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
                        ref={this.loggedInView}
                        matrixClient={MatrixClientPeg.get()}
                        onRoomCreated={this.onRoomCreated}
-                        onCloseAllSettings={this.onCloseAllSettings}
                        onRegistered={this.onRegistered}
                        currentRoomId={this.state.currentRoomId}
                    />
                );
            } else {
                // we think we are logged in, but are still waiting for the /sync to complete
-                const Spinner = sdk.getComponent('elements.Spinner');
                let errorBox;
                if (this.state.syncError && !isStoreError) {
                    errorBox = <div className="mx_MatrixChat_syncError">
@ -2045,10 +2051,8 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
                );
            }
        } else if (this.state.view === Views.WELCOME) {
-            const Welcome = sdk.getComponent('auth.Welcome');
            view = <Welcome />;
        } else if (this.state.view === Views.REGISTER && SettingsStore.getValue(UIFeature.Registration)) {
-            const Registration = sdk.getComponent('structures.auth.Registration');
            const email = ThreepidInviteStore.instance.pickBestInvite()?.toEmail;
            view = (
                <Registration
@ -2067,7 +2071,6 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
                />
            );
        } else if (this.state.view === Views.FORGOT_PASSWORD && SettingsStore.getValue(UIFeature.PasswordReset)) {
-            const ForgotPassword = sdk.getComponent('structures.auth.ForgotPassword');
            view = (
                <ForgotPassword
                    onComplete={this.onLoginClick}
@ -2078,7 +2081,6 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
            );
        } else if (this.state.view === Views.LOGIN) {
            const showPasswordReset = SettingsStore.getValue(UIFeature.PasswordReset);
-            const Login = sdk.getComponent('structures.auth.Login');
            view = (
                <Login
                    isSyncing={this.state.pendingInitialSync}
@ -2094,7 +2096,6 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
                />
            );
        } else if (this.state.view === Views.SOFT_LOGOUT) {
-            const SoftLogout = sdk.getComponent('structures.auth.SoftLogout');
            view = (
                <SoftLogout
                    realQueryParams={this.props.realQueryParams}
@ -2106,7 +2107,6 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
            console.error(`Unknown view ${this.state.view}`);
        }

-        const ErrorBoundary = sdk.getComponent('elements.ErrorBoundary');
        return <ErrorBoundary>
            {view}
        </ErrorBoundary>;
--- a/src/components/structures/RoomView.tsx
+++ b/src/components/structures/RoomView.tsx
@ -34,7 +34,6 @@ import { RoomPermalinkCreator } from '../../utils/permalinks/Permalinks';
 import ResizeNotifier from '../../utils/ResizeNotifier';
 import ContentMessages from '../../ContentMessages';
 import Modal from '../../Modal';
-import * as sdk from '../../index';
 import CallHandler, { PlaceCallType } from '../../CallHandler';
 import dis from '../../dispatcher/dispatcher';
 import * as Rooms from '../../Rooms';
@ -82,6 +81,14 @@ import { replaceableComponent } from "../../utils/replaceableComponent";
 import UIStore from "../../stores/UIStore";
 import EditorStateTransfer from "../../utils/EditorStateTransfer";
 import { throttle } from "lodash";
+import ErrorDialog from '../views/dialogs/ErrorDialog';
+import SearchResultTile from '../views/rooms/SearchResultTile';
+import Spinner from "../views/elements/Spinner";
+import UploadBar from './UploadBar';
+import RoomStatusBar from "./RoomStatusBar";
+import MessageComposer from '../views/rooms/MessageComposer';
+import JumpToBottomButton from "../views/rooms/JumpToBottomButton";
+import TopUnreadMessagesBar from "../views/rooms/TopUnreadMessagesBar";

 const DEBUG = false;
 let debuglog = function(msg: string) {};
@ -1328,7 +1335,6 @@ export default class RoomView extends React.Component<IProps, IState> {
                searchResults: results,
            });
        }, (error) => {
-            const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
            console.error("Search failed", error);
            Modal.createTrackedDialog('Search failed', '', ErrorDialog, {
                title: _t("Search failed"),
@ -1344,9 +1350,6 @@ export default class RoomView extends React.Component<IProps, IState> {
    }

    private getSearchResultTiles() {
-        const SearchResultTile = sdk.getComponent('rooms.SearchResultTile');
-        const Spinner = sdk.getComponent("elements.Spinner");
-
        // XXX: todo: merge overlapping results somehow?
        // XXX: why doesn't searching on name work?

@ -1466,7 +1469,6 @@ export default class RoomView extends React.Component<IProps, IState> {
            console.error("Failed to reject invite: %s", error);

            const msg = error.message ? error.message : JSON.stringify(error);
-            const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
            Modal.createTrackedDialog('Failed to reject invite', '', ErrorDialog, {
                title: _t("Failed to reject invite"),
                description: msg,
@ -1500,7 +1502,6 @@ export default class RoomView extends React.Component<IProps, IState> {
            console.error("Failed to reject invite: %s", error);

            const msg = error.message ? error.message : JSON.stringify(error);
-            const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
            Modal.createTrackedDialog('Failed to reject invite', '', ErrorDialog, {
                title: _t("Failed to reject invite"),
                description: msg,
@ -1834,10 +1835,8 @@ export default class RoomView extends React.Component<IProps, IState> {
        let isStatusAreaExpanded = true;

        if (ContentMessages.sharedInstance().getCurrentUploads().length > 0) {
-            const UploadBar = sdk.getComponent('structures.UploadBar');
            statusBar = <UploadBar room={this.state.room} />;
        } else if (!this.state.searchResults) {
-            const RoomStatusBar = sdk.getComponent('structures.RoomStatusBar');
            isStatusAreaExpanded = this.state.statusBarVisible;
            statusBar = <RoomStatusBar
                room={this.state.room}
@ -1943,12 +1942,9 @@ export default class RoomView extends React.Component<IProps, IState> {
            myMembership === 'join' && !this.state.searchResults
        );
        if (canSpeak) {
-            const MessageComposer = sdk.getComponent('rooms.MessageComposer');
            messageComposer =
                <MessageComposer
                    room={this.state.room}
-                    callState={this.state.callState}
-                    showApps={this.state.showApps}
                    e2eStatus={this.state.e2eStatus}
                    resizeNotifier={this.props.resizeNotifier}
                    replyToEvent={this.state.replyToEvent}
@ -2034,7 +2030,6 @@ export default class RoomView extends React.Component<IProps, IState> {
        let topUnreadMessagesBar = null;
        // Do not show TopUnreadMessagesBar if we have search results showing, it makes no sense
        if (this.state.showTopUnreadMessagesBar && !this.state.searchResults) {
-            const TopUnreadMessagesBar = sdk.getComponent('rooms.TopUnreadMessagesBar');
            topUnreadMessagesBar = (
                <TopUnreadMessagesBar onScrollUpClick={this.jumpToReadMarker} onCloseClick={this.forgetReadMarker} />
            );
@ -2042,7 +2037,6 @@ export default class RoomView extends React.Component<IProps, IState> {
        let jumpToBottom;
        // Do not show JumpToBottomButton if we have search results showing, it makes no sense
        if (!this.state.atEndOfLiveTimeline && !this.state.searchResults) {
-            const JumpToBottomButton = sdk.getComponent('rooms.JumpToBottomButton');
            jumpToBottom = (<JumpToBottomButton
                highlight={this.state.room.getUnreadNotificationCount(NotificationCountType.Highlight) > 0}
                numUnreadMessages={this.state.numUnreadMessages}
--- a/src/components/structures/TabbedView.tsx
+++ b/src/components/structures/TabbedView.tsx
@ -18,9 +18,9 @@ limitations under the License.

 import * as React from "react";
 import { _t } from '../../languageHandler';
-import * as sdk from "../../index";
 import AutoHideScrollbar from './AutoHideScrollbar';
 import { replaceableComponent } from "../../utils/replaceableComponent";
+import AccessibleButton from "../views/elements/AccessibleButton";

 /**
 * Represents a tab for the TabbedView.
@ -82,8 +82,6 @@ export default class TabbedView extends React.Component<IProps, IState> {
    }

    private _renderTabLabel(tab: Tab) {
-        const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
-
        let classes = "mx_TabbedView_tabLabel ";

        const idx = this.props.tabs.indexOf(tab);
--- a/src/components/structures/TimelinePanel.tsx
+++ b/src/components/structures/TimelinePanel.tsx
@ -32,7 +32,6 @@ import RoomContext from "../../contexts/RoomContext";
 import UserActivity from "../../UserActivity";
 import Modal from "../../Modal";
 import dis from "../../dispatcher/dispatcher";
-import * as sdk from "../../index";
 import { Key } from '../../Keyboard';
 import Timer from '../../utils/Timer';
 import shouldHideEvent from '../../shouldHideEvent';
@ -47,6 +46,7 @@ import ResizeNotifier from "../../utils/ResizeNotifier";
 import { RoomPermalinkCreator } from "../../utils/permalinks/Permalinks";
 import Spinner from "../views/elements/Spinner";
 import EditorStateTransfer from '../../utils/EditorStateTransfer';
+import ErrorDialog from '../views/dialogs/ErrorDialog';

 const PAGINATE_SIZE = 20;
 const INITIAL_SIZE = 20;
@ -1096,7 +1096,6 @@ class TimelinePanel extends React.Component<IProps, IState> {
            console.error(
                `Error loading timeline panel at ${eventId}: ${error}`,
            );
-            const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");

            let onFinished;

--- a/src/components/structures/auth/ForgotPassword.tsx
+++ b/src/components/structures/auth/ForgotPassword.tsx
@ -45,7 +45,7 @@ enum Phase {

 interface IProps {
    serverConfig: ValidatedServerConfig;
-    onServerConfigChange: () => void;
+    onServerConfigChange: (serverConfig: ValidatedServerConfig) => void;
    onLoginClick?: () => void;
    onComplete: () => void;
 }
--- a/src/components/structures/auth/Login.tsx
+++ b/src/components/structures/auth/Login.tsx
@ -18,7 +18,6 @@ import React, { ReactNode } from 'react';
 import { MatrixError } from "matrix-js-sdk/src/http-api";

 import { _t, _td } from '../../../languageHandler';
-import * as sdk from '../../../index';
 import Login, { ISSOFlow, LoginFlow } from '../../../Login';
 import SdkConfig from '../../../SdkConfig';
 import { messageForResourceLimitError } from '../../../utils/ErrorUtils';
@ -36,6 +35,8 @@ import Spinner from "../../views/elements/Spinner";
 import SSOButtons from "../../views/elements/SSOButtons";
 import ServerPicker from "../../views/elements/ServerPicker";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import AuthBody from "../../views/auth/AuthBody";
+import AuthHeader from "../../views/auth/AuthHeader";

 // These are used in several places, and come from the js-sdk's autodiscovery
 // stuff. We define them here so that they'll be picked up by i18n.
@ -541,8 +542,6 @@ export default class LoginComponent extends React.PureComponent<IProps, IState>
    };

    render() {
-        const AuthHeader = sdk.getComponent("auth.AuthHeader");
-        const AuthBody = sdk.getComponent("auth.AuthBody");
        const loader = this.isBusy() && !this.state.busyLoggingIn ?
            <div className="mx_Login_loader"><Spinner /></div> : null;

--- a/src/components/structures/auth/Registration.tsx
+++ b/src/components/structures/auth/Registration.tsx
@ -18,19 +18,24 @@ import { createClient } from 'matrix-js-sdk/src/matrix';
 import React, { ReactNode } from 'react';
 import { MatrixClient } from "matrix-js-sdk/src/client";

-import * as sdk from '../../../index';
 import { _t, _td } from '../../../languageHandler';
 import { messageForResourceLimitError } from '../../../utils/ErrorUtils';
 import AutoDiscoveryUtils, { ValidatedServerConfig } from "../../../utils/AutoDiscoveryUtils";
 import classNames from "classnames";
 import * as Lifecycle from '../../../Lifecycle';
-import { MatrixClientPeg } from "../../../MatrixClientPeg";
+import { IMatrixClientCreds, MatrixClientPeg } from "../../../MatrixClientPeg";
 import AuthPage from "../../views/auth/AuthPage";
 import Login, { ISSOFlow } from "../../../Login";
 import dis from "../../../dispatcher/dispatcher";
 import SSOButtons from "../../views/elements/SSOButtons";
 import ServerPicker from '../../views/elements/ServerPicker';
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import RegistrationForm from '../../views/auth/RegistrationForm';
+import AccessibleButton from '../../views/elements/AccessibleButton';
+import AuthBody from "../../views/auth/AuthBody";
+import AuthHeader from "../../views/auth/AuthHeader";
+import InteractiveAuth from "../InteractiveAuth";
+import Spinner from "../../views/elements/Spinner";

 interface IProps {
    serverConfig: ValidatedServerConfig;
@ -47,13 +52,7 @@ interface IProps {
    // - The user's password, if available and applicable (may be cached in memory
    //   for a short time so the user is not required to re-enter their password
    //   for operations like uploading cross-signing keys).
-    onLoggedIn(params: {
-        userId: string;
-        deviceId: string;
-        homeserverUrl: string;
-        identityServerUrl?: string;
-        accessToken: string;
-    }, password: string): void;
+    onLoggedIn(params: IMatrixClientCreds, password: string): void;
    makeRegistrationUrl(params: {
        /* eslint-disable camelcase */
        client_secret: string;
@ -246,7 +245,7 @@ export default class Registration extends React.Component<IProps, IState> {
        }
    }

-    private onFormSubmit = formVals => {
+    private onFormSubmit = async (formVals): Promise<void> => {
        this.setState({
            errorText: "",
            busy: true,
@ -442,10 +441,6 @@ export default class Registration extends React.Component<IProps, IState> {
    };

    private renderRegisterComponent() {
-        const InteractiveAuth = sdk.getComponent('structures.InteractiveAuth');
-        const Spinner = sdk.getComponent('elements.Spinner');
-        const RegistrationForm = sdk.getComponent('auth.RegistrationForm');
-
        if (this.state.matrixClient && this.state.doingUIAuth) {
            return <InteractiveAuth
                matrixClient={this.state.matrixClient}
@ -516,10 +511,6 @@ export default class Registration extends React.Component<IProps, IState> {
    }

    render() {
-        const AuthHeader = sdk.getComponent('auth.AuthHeader');
-        const AuthBody = sdk.getComponent("auth.AuthBody");
-        const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
-
        let errorText;
        const err = this.state.errorText;
        if (err) {
--- a/src/components/structures/auth/SetupEncryptionBody.tsx
+++ b/src/components/structures/auth/SetupEncryptionBody.tsx
@ -21,7 +21,7 @@ import Modal from '../../../Modal';
 import VerificationRequestDialog from '../../views/dialogs/VerificationRequestDialog';
 import { SetupEncryptionStore, Phase } from '../../../stores/SetupEncryptionStore';
 import { replaceableComponent } from "../../../utils/replaceableComponent";
-import { ISecretStorageKeyInfo } from 'matrix-js-sdk';
+import { ISecretStorageKeyInfo } from 'matrix-js-sdk/src/crypto/api';
 import EncryptionPanel from "../../views/right_panel/EncryptionPanel";
 import AccessibleButton from '../../views/elements/AccessibleButton';
 import Spinner from '../../views/elements/Spinner';
--- a/src/components/structures/auth/SoftLogout.tsx
+++ b/src/components/structures/auth/SoftLogout.tsx
@ -16,7 +16,6 @@ limitations under the License.

 import React from 'react';
 import { _t } from '../../../languageHandler';
-import * as sdk from '../../../index';
 import dis from '../../../dispatcher/dispatcher';
 import * as Lifecycle from '../../../Lifecycle';
 import Modal from '../../../Modal';
@ -26,6 +25,12 @@ import AuthPage from "../../views/auth/AuthPage";
 import { SSO_HOMESERVER_URL_KEY, SSO_ID_SERVER_URL_KEY } from "../../../BasePlatform";
 import SSOButtons from "../../views/elements/SSOButtons";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import ConfirmWipeDeviceDialog from '../../views/dialogs/ConfirmWipeDeviceDialog';
+import Field from '../../views/elements/Field';
+import AccessibleButton from '../../views/elements/AccessibleButton';
+import Spinner from "../../views/elements/Spinner";
+import AuthHeader from "../../views/auth/AuthHeader";
+import AuthBody from "../../views/auth/AuthBody";

 const LOGIN_VIEW = {
    LOADING: 1,
@ -94,7 +99,6 @@ export default class SoftLogout extends React.Component<IProps, IState> {
    }

    onClearAll = () => {
-        const ConfirmWipeDeviceDialog = sdk.getComponent('dialogs.ConfirmWipeDeviceDialog');
        Modal.createTrackedDialog('Clear Data', 'Soft Logout', ConfirmWipeDeviceDialog, {
            onFinished: (wipeData) => {
                if (!wipeData) return;
@ -202,7 +206,6 @@ export default class SoftLogout extends React.Component<IProps, IState> {

    private renderSignInSection() {
        if (this.state.loginView === LOGIN_VIEW.LOADING) {
-            const Spinner = sdk.getComponent("elements.Spinner");
            return <Spinner />;
        }

@ -214,9 +217,6 @@ export default class SoftLogout extends React.Component<IProps, IState> {
        }

        if (this.state.loginView === LOGIN_VIEW.PASSWORD) {
-            const Field = sdk.getComponent("elements.Field");
-            const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
-
            let error = null;
            if (this.state.errorText) {
                error = <span className='mx_Login_error'>{this.state.errorText}</span>;
@ -286,10 +286,6 @@ export default class SoftLogout extends React.Component<IProps, IState> {
    }

    render() {
-        const AuthHeader = sdk.getComponent("auth.AuthHeader");
-        const AuthBody = sdk.getComponent("auth.AuthBody");
-        const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
-
        return (
            <AuthPage>
                <AuthHeader />
--- a/src/components/views/auth/InteractiveAuthEntryComponents.tsx
+++ b/src/components/views/auth/InteractiveAuthEntryComponents.tsx
@ -18,7 +18,6 @@ import React, { ChangeEvent, createRef, FormEvent, MouseEvent } from 'react';
 import classNames from 'classnames';
 import { MatrixClient } from "matrix-js-sdk/src/client";

-import * as sdk from '../../../index';
 import { _t } from '../../../languageHandler';
 import SettingsStore from "../../../settings/SettingsStore";
 import AccessibleButton from "../elements/AccessibleButton";
@ -26,6 +25,8 @@ import Spinner from "../elements/Spinner";
 import CountlyAnalytics from "../../../CountlyAnalytics";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
 import { LocalisedPolicy, Policies } from '../../../Terms';
+import Field from '../elements/Field';
+import CaptchaForm from "./CaptchaForm";

 /* This file contains a collection of components which are used by the
 * InteractiveAuth to prompt the user to enter the information needed
@ -164,8 +165,7 @@ export class PasswordAuthEntry extends React.Component<IAuthEntryProps, IPasswor

        let submitButtonOrSpinner;
        if (this.props.busy) {
-            const Loader = sdk.getComponent("elements.Spinner");
-            submitButtonOrSpinner = <Loader />;
+            submitButtonOrSpinner = <Spinner />;
        } else {
            submitButtonOrSpinner = (
                <input type="submit"
@ -185,8 +185,6 @@ export class PasswordAuthEntry extends React.Component<IAuthEntryProps, IPasswor
            );
        }

-        const Field = sdk.getComponent('elements.Field');
-
        return (
            <div>
                <p>{ _t("Confirm your identity by entering your account password below.") }</p>
@ -236,13 +234,11 @@ export class RecaptchaAuthEntry extends React.Component<IRecaptchaAuthEntryProps

    render() {
        if (this.props.busy) {
-            const Loader = sdk.getComponent("elements.Spinner");
-            return <Loader />;
+            return <Spinner />;
        }

        let errorText = this.props.errorText;

-        const CaptchaForm = sdk.getComponent("views.auth.CaptchaForm");
        let sitePublicKey;
        if (!this.props.stageParams || !this.props.stageParams.public_key) {
            errorText = _t(
@ -390,8 +386,7 @@ export class TermsAuthEntry extends React.Component<ITermsAuthEntryProps, ITerms

    render() {
        if (this.props.busy) {
-            const Loader = sdk.getComponent("elements.Spinner");
-            return <Loader />;
+            return <Spinner />;
        }

        const checkboxes = [];
@ -590,8 +585,7 @@ export class MsisdnAuthEntry extends React.Component<IMsisdnAuthEntryProps, IMsi

    render() {
        if (this.state.requestingToken) {
-            const Loader = sdk.getComponent("elements.Spinner");
-            return <Loader />;
+            return <Spinner />;
        } else {
            const enableSubmit = Boolean(this.state.token);
            const submitClasses = classNames({
--- a/src/components/views/auth/RegistrationForm.tsx
+++ b/src/components/views/auth/RegistrationForm.tsx
@ -17,7 +17,6 @@ limitations under the License.

 import React from 'react';

-import * as sdk from '../../../index';
 import * as Email from '../../../email';
 import { looksValid as phoneNumberLooksValid } from '../../../phonenumber';
 import Modal from '../../../Modal';
@ -31,6 +30,7 @@ import CountlyAnalytics from "../../../CountlyAnalytics";
 import Field from '../elements/Field';
 import RegistrationEmailPromptDialog from '../dialogs/RegistrationEmailPromptDialog';
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import CountryDropdown from "./CountryDropdown";

 enum RegistrationField {
    Email = "field_email",
@ -471,7 +471,6 @@ export default class RegistrationForm extends React.PureComponent<IProps, IState
        if (!this.showPhoneNumber()) {
            return null;
        }
-        const CountryDropdown = sdk.getComponent('views.auth.CountryDropdown');
        const phoneLabel = this.authStepIsRequired('m.login.msisdn') ?
            _t("Phone") :
            _t("Phone (optional)");
--- a/src/components/views/context_menus/MessageContextMenu.js
+++ b/src/components/views/context_menus/MessageContextMenu.js
@ -327,7 +327,6 @@ export default class MessageContextMenu extends React.Component {
        if (this.props.permalinkCreator) {
            permalink = this.props.permalinkCreator.forEvent(this.props.mxEvent.getId());
        }
-        // XXX: if we use room ID, we should also include a server where the event can be found (other than in the domain of the event ID)
        const permalinkButton = (
            <IconizedContextMenuOption
                iconClassName="mx_MessageContextMenu_iconPermalink"
--- a/src/components/views/dialogs/AskInviteAnywayDialog.tsx
+++ b/src/components/views/dialogs/AskInviteAnywayDialog.tsx
@ -15,11 +15,11 @@ limitations under the License.
 */

 import React from 'react';
-import * as sdk from '../../../index';
 import { _t } from '../../../languageHandler';
 import SettingsStore from "../../../settings/SettingsStore";
 import { SettingLevel } from "../../../settings/SettingLevel";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import BaseDialog from "./BaseDialog";

 interface IProps {
    unknownProfileUsers: Array<{
@ -50,8 +50,6 @@ export default class AskInviteAnywayDialog extends React.Component<IProps> {
    };

    public render() {
-        const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
-
        const errorList = this.props.unknownProfileUsers
            .map(address => <li key={address.userId}>{address.userId}: {address.errorText}</li>);

--- a/src/components/views/dialogs/BugReportDialog.tsx
+++ b/src/components/views/dialogs/BugReportDialog.tsx
@ -18,13 +18,17 @@ limitations under the License.
 */

 import React from 'react';
-import * as sdk from '../../../index';
 import SdkConfig from '../../../SdkConfig';
 import Modal from '../../../Modal';
 import { _t } from '../../../languageHandler';
 import sendBugReport, { downloadBugReport } from '../../../rageshake/submit-rageshake';
 import AccessibleButton from "../elements/AccessibleButton";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import QuestionDialog from "./QuestionDialog";
+import BaseDialog from "./BaseDialog";
+import Field from '../elements/Field';
+import Spinner from "../elements/Spinner";
+import DialogButtons from "../elements/DialogButtons";

 interface IProps {
    onFinished: (success: boolean) => void;
@ -93,7 +97,6 @@ export default class BugReportDialog extends React.Component<IProps, IState> {
        }).then(() => {
            if (!this.unmounted) {
                this.props.onFinished(false);
-                const QuestionDialog = sdk.getComponent("dialogs.QuestionDialog");
                // N.B. first param is passed to piwik and so doesn't want i18n
                Modal.createTrackedDialog('Bug report sent', '', QuestionDialog, {
                    title: _t('Logs sent'),
@ -160,11 +163,6 @@ export default class BugReportDialog extends React.Component<IProps, IState> {
    };

    public render() {
-        const Loader = sdk.getComponent("elements.Spinner");
-        const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
-        const DialogButtons = sdk.getComponent('views.elements.DialogButtons');
-        const Field = sdk.getComponent('elements.Field');
-
        let error = null;
        if (this.state.err) {
            error = <div className="error">
@ -176,7 +174,7 @@ export default class BugReportDialog extends React.Component<IProps, IState> {
        if (this.state.busy) {
            progress = (
                <div className="progress">
-                    <Loader />
+                    <Spinner />
                    {this.state.progress} ...
                </div>
            );
--- a/src/components/views/dialogs/ChangelogDialog.tsx
+++ b/src/components/views/dialogs/ChangelogDialog.tsx
@ -16,9 +16,10 @@ Copyright 2019 Michael Telatynski <7t3chguy@gmail.com>
 */

 import React from 'react';
-import * as sdk from '../../../index';
 import request from 'browser-request';
 import { _t } from '../../../languageHandler';
+import QuestionDialog from "./QuestionDialog";
+import Spinner from "../elements/Spinner";

 interface IProps {
    newVersion: string;
@ -65,9 +66,6 @@ export default class ChangelogDialog extends React.Component<IProps> {
    }

    public render() {
-        const Spinner = sdk.getComponent('views.elements.Spinner');
-        const QuestionDialog = sdk.getComponent('dialogs.QuestionDialog');
-
        const logs = REPOS.map(repo => {
            let content;
            if (this.state[repo] == null) {
--- a/src/components/views/dialogs/ConfirmAndWaitRedactDialog.tsx
+++ b/src/components/views/dialogs/ConfirmAndWaitRedactDialog.tsx
@ -15,9 +15,12 @@ limitations under the License.
 */

 import React from 'react';
-import * as sdk from '../../../index';
 import { _t } from '../../../languageHandler';
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import ConfirmRedactDialog from './ConfirmRedactDialog';
+import ErrorDialog from './ErrorDialog';
+import BaseDialog from "./BaseDialog";
+import Spinner from "../elements/Spinner";

 interface IProps {
    redact: () => Promise<void>;
@ -73,7 +76,6 @@ export default class ConfirmAndWaitRedactDialog extends React.PureComponent<IPro
    public render() {
        if (this.state.isRedacting) {
            if (this.state.redactionErrorCode) {
-                const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
                const code = this.state.redactionErrorCode;
                return (
                    <ErrorDialog
@ -83,8 +85,6 @@ export default class ConfirmAndWaitRedactDialog extends React.PureComponent<IPro
                    />
                );
            } else {
-                const BaseDialog = sdk.getComponent("dialogs.BaseDialog");
-                const Spinner = sdk.getComponent('elements.Spinner');
                return (
                    <BaseDialog
                        onFinished={this.props.onFinished}
@ -95,7 +95,6 @@ export default class ConfirmAndWaitRedactDialog extends React.PureComponent<IPro
                );
            }
        } else {
-            const ConfirmRedactDialog = sdk.getComponent("dialogs.ConfirmRedactDialog");
            return <ConfirmRedactDialog onFinished={this.onParentFinished} />;
        }
    }
--- a/src/components/views/dialogs/ConfirmRedactDialog.tsx
+++ b/src/components/views/dialogs/ConfirmRedactDialog.tsx
@ -15,9 +15,9 @@ limitations under the License.
 */

 import React from 'react';
-import * as sdk from '../../../index';
 import { _t } from '../../../languageHandler';
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import TextInputDialog from "./TextInputDialog";

 interface IProps {
    onFinished: (success: boolean) => void;
@ -29,7 +29,6 @@ interface IProps {
@replaceableComponent("views.dialogs.ConfirmRedactDialog")
 export default class ConfirmRedactDialog extends React.Component<IProps> {
    render() {
-        const TextInputDialog = sdk.getComponent('views.dialogs.TextInputDialog');
        return (
            <TextInputDialog onFinished={this.props.onFinished}
                title={_t("Confirm Removal")}
--- a/src/components/views/dialogs/ConfirmUserActionDialog.tsx
+++ b/src/components/views/dialogs/ConfirmUserActionDialog.tsx
@ -17,11 +17,14 @@ limitations under the License.
 import React from 'react';
 import { MatrixClient } from 'matrix-js-sdk/src/client';
 import { RoomMember } from "matrix-js-sdk/src/models/room-member";
-import * as sdk from '../../../index';
 import { _t } from '../../../languageHandler';
 import { GroupMemberType } from '../../../groups';
 import { replaceableComponent } from "../../../utils/replaceableComponent";
 import { mediaFromMxc } from "../../../customisations/Media";
+import MemberAvatar from '../avatars/MemberAvatar';
+import BaseAvatar from '../avatars/BaseAvatar';
+import BaseDialog from "./BaseDialog";
+import DialogButtons from "../elements/DialogButtons";

 interface IProps {
    // matrix-js-sdk (room) member object. Supply either this or 'groupMember'
@ -67,11 +70,6 @@ export default class ConfirmUserActionDialog extends React.Component<IProps> {
    };

    public render() {
-        const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
-        const DialogButtons = sdk.getComponent('views.elements.DialogButtons');
-        const MemberAvatar = sdk.getComponent("views.avatars.MemberAvatar");
-        const BaseAvatar = sdk.getComponent("views.avatars.BaseAvatar");
-
        const confirmButtonClass = this.props.danger ? 'danger' : '';

        let reasonBox;
--- a/src/components/views/dialogs/ConfirmWipeDeviceDialog.tsx
+++ b/src/components/views/dialogs/ConfirmWipeDeviceDialog.tsx
@ -16,8 +16,9 @@ limitations under the License.

 import React from 'react';
 import { _t } from "../../../languageHandler";
-import * as sdk from "../../../index";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import BaseDialog from "./BaseDialog";
+import DialogButtons from "../elements/DialogButtons";

 interface IProps {
    onFinished: (success: boolean) => void;
@ -34,9 +35,6 @@ export default class ConfirmWipeDeviceDialog extends React.Component<IProps> {
    };

    render() {
-        const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
-        const DialogButtons = sdk.getComponent('views.elements.DialogButtons');
-
        return (
            <BaseDialog
                className='mx_ConfirmWipeDeviceDialog'
--- a/src/components/views/dialogs/CreateGroupDialog.tsx
+++ b/src/components/views/dialogs/CreateGroupDialog.tsx
@ -15,11 +15,12 @@ limitations under the License.
 */

 import React from 'react';
-import * as sdk from '../../../index';
 import dis from '../../../dispatcher/dispatcher';
 import { _t } from '../../../languageHandler';
 import { MatrixClientPeg } from '../../../MatrixClientPeg';
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import BaseDialog from "./BaseDialog";
+import Spinner from "../elements/Spinner";

 interface IProps {
    onFinished: (success: boolean) => void;
@ -106,9 +107,6 @@ export default class CreateGroupDialog extends React.Component<IProps, IState> {
    };

    render() {
-        const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
-        const Spinner = sdk.getComponent('elements.Spinner');
-
        if (this.state.creating) {
            return <Spinner />;
        }
--- a/src/components/views/dialogs/CryptoStoreTooNewDialog.tsx
+++ b/src/components/views/dialogs/CryptoStoreTooNewDialog.tsx
@ -16,21 +16,22 @@ limitations under the License.
 */

 import React from 'react';
-import * as sdk from '../../../index';
 import dis from '../../../dispatcher/dispatcher';
 import { _t } from '../../../languageHandler';
 import SdkConfig from '../../../SdkConfig';
 import Modal from '../../../Modal';
+import BaseDialog from "./BaseDialog";
+import DialogButtons from "../elements/DialogButtons";
+import QuestionDialog from "./QuestionDialog";

 interface IProps {
    onFinished: (success: boolean) => void;
 }

-export default (props: IProps) => {
+const CryptoStoreTooNewDialog: React.FC<IProps> = (props: IProps) => {
    const brand = SdkConfig.get().brand;

    const _onLogoutClicked = () => {
-        const QuestionDialog = sdk.getComponent("dialogs.QuestionDialog");
        Modal.createTrackedDialog('Logout e2e db too new', '', QuestionDialog, {
            title: _t("Sign out"),
            description: _t(
@ -58,8 +59,6 @@ export default (props: IProps) => {
            { brand },
        );

-    const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
-    const DialogButtons = sdk.getComponent('views.elements.DialogButtons');
    return (<BaseDialog className="mx_CryptoStoreTooNewDialog"
        contentId='mx_Dialog_content'
        title={_t("Incompatible Database")}
@ -79,3 +78,5 @@ export default (props: IProps) => {
        </DialogButtons>
    </BaseDialog>);
 };
+
+export default CryptoStoreTooNewDialog;
--- a/src/components/views/dialogs/DeactivateAccountDialog.tsx
+++ b/src/components/views/dialogs/DeactivateAccountDialog.tsx
@ -17,7 +17,6 @@ limitations under the License.

 import React from 'react';

-import * as sdk from '../../../index';
 import Analytics from '../../../Analytics';
 import { MatrixClientPeg } from '../../../MatrixClientPeg';
 import * as Lifecycle from '../../../Lifecycle';
@ -26,6 +25,7 @@ import InteractiveAuth, { ERROR_USER_CANCELLED } from "../../structures/Interact
 import { DEFAULT_PHASE, PasswordAuthEntry, SSOAuthEntry } from "../auth/InteractiveAuthEntryComponents";
 import StyledCheckbox from "../elements/StyledCheckbox";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import BaseDialog from "./BaseDialog";

 interface IProps {
    onFinished: (success: boolean) => void;
@ -165,8 +165,6 @@ export default class DeactivateAccountDialog extends React.Component<IProps, ISt
    }

    public render() {
-        const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
-
        let error = null;
        if (this.state.errStr) {
            error = <div className="error">
--- a/src/components/views/dialogs/DevtoolsDialog.tsx
+++ b/src/components/views/dialogs/DevtoolsDialog.tsx
@ -16,7 +16,6 @@ limitations under the License.
 */

 import React, { useState, useEffect, ChangeEvent, MouseEvent } from 'react';
-import * as sdk from '../../../index';
 import SyntaxHighlight from '../elements/SyntaxHighlight';
 import { _t } from '../../../languageHandler';
 import Field from "../elements/Field";
@ -42,6 +41,8 @@ import { replaceableComponent } from "../../../utils/replaceableComponent";
 import { Room } from "matrix-js-sdk/src/models/room";
 import { MatrixEvent } from "matrix-js-sdk/src/models/event";
 import { SettingLevel } from '../../../settings/SettingLevel';
+import BaseDialog from "./BaseDialog";
+import TruncatedList from "../elements/TruncatedList";

 interface IGenericEditorProps {
    onBack: () => void;
@ -369,7 +370,6 @@ class FilteredList extends React.PureComponent<IFilteredListProps, IFilteredList
    };

    render() {
-        const TruncatedList = sdk.getComponent("elements.TruncatedList");
        return <div>
            <Field label={_t('Filter results')} autoFocus={true} size={64}
                type="text" autoComplete="off" value={this.props.query} onChange={this.onQuery}
@ -1261,7 +1261,6 @@ export default class DevtoolsDialog extends React.PureComponent<IProps, IState>
            </React.Fragment>;
        }

-        const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
        return (
            <BaseDialog className="mx_QuestionDialog" onFinished={this.props.onFinished} title={_t('Developer Tools')}>
                { body }
--- a/src/components/views/dialogs/ErrorDialog.tsx
+++ b/src/components/views/dialogs/ErrorDialog.tsx
@ -26,9 +26,9 @@ limitations under the License.
 */

 import React from 'react';
-import * as sdk from '../../../index';
 import { _t } from '../../../languageHandler';
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import BaseDialog from "./BaseDialog";

 interface IProps {
    onFinished: (success: boolean) => void;
@ -57,7 +57,6 @@ export default class ErrorDialog extends React.Component<IProps, IState> {
    };

    public render() {
-        const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
        return (
            <BaseDialog
                className="mx_ErrorDialog"
--- a/src/components/views/dialogs/InviteDialog.tsx
+++ b/src/components/views/dialogs/InviteDialog.tsx
@ -18,7 +18,6 @@ import React, { createRef } from 'react';
 import classNames from 'classnames';

 import { _t, _td } from "../../../languageHandler";
-import * as sdk from "../../../index";
 import { MatrixClientPeg } from "../../../MatrixClientPeg";
 import { makeRoomPermalink, makeUserPermalink } from "../../../utils/permalinks/Permalinks";
 import DMRoomMap from "../../../utils/DMRoomMap";
@ -65,6 +64,9 @@ import { copyPlaintext, selectText } from "../../../utils/strings";
 import * as ContextMenu from "../../structures/ContextMenu";
 import { toRightOf } from "../../structures/ContextMenu";
 import GenericTextContextMenu from "../context_menus/GenericTextContextMenu";
+import QuestionDialog from "./QuestionDialog";
+import Spinner from "../elements/Spinner";
+import BaseDialog from "./BaseDialog";

 // we have a number of types defined from the Matrix spec which can't reasonably be altered here.
 /* eslint-disable camelcase */
@ -1046,7 +1048,6 @@ export default class InviteDialog extends React.PureComponent<IInviteDialogProps
        if (this.unmounted) return;

        if (failed.length > 0) {
-            const QuestionDialog = sdk.getComponent('dialogs.QuestionDialog');
            Modal.createTrackedDialog('Invite Paste Fail', '', QuestionDialog, {
                title: _t('Failed to find the following users'),
                description: _t(
@ -1158,7 +1159,6 @@ export default class InviteDialog extends React.PureComponent<IInviteDialogProps
        const toRender = sourceMembers.slice(0, showNum);
        const hasMore = toRender.length < sourceMembers.length;

-        const AccessibleButton = sdk.getComponent("elements.AccessibleButton");
        let showMore = null;
        if (hasMore) {
            showMore = (
@ -1269,10 +1269,6 @@ export default class InviteDialog extends React.PureComponent<IInviteDialogProps
    };

    render() {
-        const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
-        const AccessibleButton = sdk.getComponent("elements.AccessibleButton");
-        const Spinner = sdk.getComponent("elements.Spinner");
-
        let spinner = null;
        if (this.state.busy) {
            spinner = <Spinner w={20} h={20} />;
--- a/src/components/views/dialogs/ReportEventDialog.tsx
+++ b/src/components/views/dialogs/ReportEventDialog.tsx
@ -15,7 +15,6 @@ limitations under the License.
 */

 import React from 'react';
-import * as sdk from '../../../index';
 import { _t } from '../../../languageHandler';
 import { ensureDMExists } from "../../../createRoom";
 import { IDialogProps } from "./IDialogProps";
@ -26,6 +25,10 @@ import Markdown from '../../../Markdown';
 import { replaceableComponent } from "../../../utils/replaceableComponent";
 import SettingsStore from "../../../settings/SettingsStore";
 import StyledRadioButton from "../elements/StyledRadioButton";
+import BaseDialog from "./BaseDialog";
+import DialogButtons from "../elements/DialogButtons";
+import Field from "../elements/Field";
+import Spinner from "../elements/Spinner";

 interface IProps extends IDialogProps {
    mxEvent: MatrixEvent;
@ -239,11 +242,6 @@ export default class ReportEventDialog extends React.Component<IProps, IState> {
    };

    render() {
-        const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
-        const DialogButtons = sdk.getComponent('views.elements.DialogButtons');
-        const Loader = sdk.getComponent('elements.Spinner');
-        const Field = sdk.getComponent('elements.Field');
-
        let error = null;
        if (this.state.err) {
            error = <div className="error">
@ -255,7 +253,7 @@ export default class ReportEventDialog extends React.Component<IProps, IState> {
        if (this.state.busy) {
            progress = (
                <div className="progress">
-                    <Loader />
+                    <Spinner />
                </div>
            );
        }
--- a/src/components/views/dialogs/RoomSettingsDialog.tsx
+++ b/src/components/views/dialogs/RoomSettingsDialog.tsx
@ -24,12 +24,12 @@ import GeneralRoomSettingsTab from "../settings/tabs/room/GeneralRoomSettingsTab
 import SecurityRoomSettingsTab from "../settings/tabs/room/SecurityRoomSettingsTab";
 import NotificationSettingsTab from "../settings/tabs/room/NotificationSettingsTab";
 import BridgeSettingsTab from "../settings/tabs/room/BridgeSettingsTab";
-import * as sdk from "../../../index";
 import { MatrixClientPeg } from "../../../MatrixClientPeg";
 import dis from "../../../dispatcher/dispatcher";
 import SettingsStore from "../../../settings/SettingsStore";
 import { UIFeature } from "../../../settings/UIFeature";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import BaseDialog from "./BaseDialog";

 export const ROOM_GENERAL_TAB = "ROOM_GENERAL_TAB";
 export const ROOM_SECURITY_TAB = "ROOM_SECURITY_TAB";
@ -119,8 +119,6 @@ export default class RoomSettingsDialog extends React.Component<IProps> {
    }

    render() {
-        const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
-
        const roomName = MatrixClientPeg.get().getRoom(this.props.roomId).name;
        return (
            <BaseDialog
--- a/src/components/views/dialogs/ShareDialog.tsx
+++ b/src/components/views/dialogs/ShareDialog.tsx
@ -22,7 +22,6 @@ import { User } from "matrix-js-sdk/src/models/user";
 import { Group } from "matrix-js-sdk/src/models/group";
 import { RoomMember } from "matrix-js-sdk/src/models/room-member";
 import { MatrixEvent } from "matrix-js-sdk/src/models/event";
-import * as sdk from '../../../index';
 import { _t } from '../../../languageHandler';
 import QRCode from "../elements/QRCode";
 import { RoomPermalinkCreator, makeGroupPermalink, makeUserPermalink } from "../../../utils/permalinks/Permalinks";
@ -35,6 +34,8 @@ import { IDialogProps } from "./IDialogProps";
 import SettingsStore from "../../../settings/SettingsStore";
 import { UIFeature } from "../../../settings/UIFeature";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import BaseDialog from "./BaseDialog";
+import GenericTextContextMenu from "../context_menus/GenericTextContextMenu.js";

 const socials = [
    {
@ -119,7 +120,6 @@ export default class ShareDialog extends React.PureComponent<IProps, IState> {

        const successful = await copyPlaintext(this.getUrl());
        const buttonRect = target.getBoundingClientRect();
-        const GenericTextContextMenu = sdk.getComponent('context_menus.GenericTextContextMenu');
        const { close } = ContextMenu.createMenu(GenericTextContextMenu, {
            ...toRightOf(buttonRect, 2),
            message: successful ? _t('Copied!') : _t('Failed to copy'),
@ -230,7 +230,6 @@ export default class ShareDialog extends React.PureComponent<IProps, IState> {
            </>;
        }

-        const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
        return <BaseDialog
            title={title}
            className='mx_ShareDialog'
--- a/src/components/views/dialogs/TermsDialog.tsx
+++ b/src/components/views/dialogs/TermsDialog.tsx
@ -16,11 +16,12 @@ limitations under the License.

 import url from 'url';
 import React from 'react';
-import * as sdk from '../../../index';
 import { _t, pickBestLanguage } from '../../../languageHandler';

 import { replaceableComponent } from "../../../utils/replaceableComponent";
 import { SERVICE_TYPES } from "matrix-js-sdk/src/service-types";
+import DialogButtons from "../elements/DialogButtons";
+import BaseDialog from "./BaseDialog";

 interface ITermsCheckboxProps {
    onChange: (url: string, checked: boolean) => void;
@ -117,9 +118,6 @@ export default class TermsDialog extends React.PureComponent<ITermsDialogProps,
    };

    public render() {
-        const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
-        const DialogButtons = sdk.getComponent('views.elements.DialogButtons');
-
        const rows = [];
        for (const policiesAndService of this.props.policiesAndServicePairs) {
            const parsedBaseUrl = url.parse(policiesAndService.service.baseUrl);
--- a/src/components/views/dialogs/UploadConfirmDialog.tsx
+++ b/src/components/views/dialogs/UploadConfirmDialog.tsx
@ -16,11 +16,12 @@ limitations under the License.
 */

 import React from 'react';
-import * as sdk from '../../../index';
 import { _t } from '../../../languageHandler';
 import filesize from "filesize";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
 import { getBlobSafeMimeType } from '../../../utils/blobs';
+import BaseDialog from "./BaseDialog";
+import DialogButtons from "../elements/DialogButtons";

 interface IProps {
    file: File;
@ -67,9 +68,6 @@ export default class UploadConfirmDialog extends React.Component<IProps> {
    };

    render() {
-        const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
-        const DialogButtons = sdk.getComponent('views.elements.DialogButtons');
-
        let title;
        if (this.props.totalFiles > 1 && this.props.currentIndex !== undefined) {
            title = _t(
--- a/src/components/views/dialogs/UserSettingsDialog.tsx
+++ b/src/components/views/dialogs/UserSettingsDialog.tsx
@ -28,11 +28,11 @@ import PreferencesUserSettingsTab from "../settings/tabs/user/PreferencesUserSet
 import VoiceUserSettingsTab from "../settings/tabs/user/VoiceUserSettingsTab";
 import HelpUserSettingsTab from "../settings/tabs/user/HelpUserSettingsTab";
 import FlairUserSettingsTab from "../settings/tabs/user/FlairUserSettingsTab";
-import * as sdk from "../../../index";
 import SdkConfig from "../../../SdkConfig";
 import MjolnirUserSettingsTab from "../settings/tabs/user/MjolnirUserSettingsTab";
 import { UIFeature } from "../../../settings/UIFeature";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import BaseDialog from "./BaseDialog";

 export enum UserTab {
    General = "USER_GENERAL_TAB",
@ -162,8 +162,6 @@ export default class UserSettingsDialog extends React.Component<IProps, IState>
    }

    render() {
-        const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
-
        return (
            <BaseDialog
                className='mx_UserSettingsDialog'
--- a/src/components/views/dialogs/security/AccessSecretStorageDialog.tsx
+++ b/src/components/views/dialogs/security/AccessSecretStorageDialog.tsx
@ -17,7 +17,7 @@ limitations under the License.
 import { debounce } from "lodash";
 import classNames from 'classnames';
 import React, { ChangeEvent, FormEvent } from 'react';
-import { ISecretStorageKeyInfo } from "matrix-js-sdk/src";
+import { ISecretStorageKeyInfo } from "matrix-js-sdk/src/crypto/api";

 import * as sdk from '../../../../index';
 import { MatrixClientPeg } from '../../../../MatrixClientPeg';
--- a/src/components/views/dialogs/security/ConfirmDestroyCrossSigningDialog.tsx
+++ b/src/components/views/dialogs/security/ConfirmDestroyCrossSigningDialog.tsx
@ -16,8 +16,9 @@ limitations under the License.

 import React from 'react';
 import { _t } from "../../../../languageHandler";
-import * as sdk from "../../../../index";
 import { replaceableComponent } from "../../../../utils/replaceableComponent";
+import BaseDialog from "../BaseDialog";
+import DialogButtons from "../../elements/DialogButtons";

 interface IProps {
    onFinished: (success: boolean) => void;
@ -34,9 +35,6 @@ export default class ConfirmDestroyCrossSigningDialog extends React.Component<IP
    };

    render() {
-        const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
-        const DialogButtons = sdk.getComponent('views.elements.DialogButtons');
-
        return (
            <BaseDialog
                className='mx_ConfirmDestroyCrossSigningDialog'
--- a/src/components/views/elements/BlurhashPlaceholder.tsx
+++ b/src/components/views/elements/BlurhashPlaceholder.tsx
@ -1,56 +0,0 @@
-/*
- 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.
- */
-
-import React from 'react';
-import { decode } from "blurhash";
-
-interface IProps {
-    blurhash: string;
-    width: number;
-    height: number;
-}
-
-export default class BlurhashPlaceholder extends React.PureComponent<IProps> {
-    private canvas: React.RefObject<HTMLCanvasElement> = React.createRef();
-
-    public componentDidMount() {
-        this.draw();
-    }
-
-    public componentDidUpdate() {
-        this.draw();
-    }
-
-    private draw() {
-        if (!this.canvas.current) return;
-
-        try {
-            const { width, height } = this.props;
-
-            const pixels = decode(this.props.blurhash, Math.ceil(width), Math.ceil(height));
-            const ctx = this.canvas.current.getContext("2d");
-            const imgData = ctx.createImageData(width, height);
-            imgData.data.set(pixels);
-            ctx.putImageData(imgData, 0, 0);
-        } catch (e) {
-            console.error("Error rendering blurhash: ", e);
-        }
-    }
-
-    public render() {
-        return <canvas height={this.props.height} width={this.props.width} ref={this.canvas} />;
-    }
-}
--- a/src/components/views/elements/Field.tsx
+++ b/src/components/views/elements/Field.tsx
@ -260,6 +260,7 @@ export default class Field extends React.PureComponent<PropShapes, IState> {
        });

        // Handle displaying feedback on validity
+        // FIXME: Using an import will result in test failures
        const Tooltip = sdk.getComponent("elements.Tooltip");
        let fieldTooltip;
        if (tooltipContent || this.state.feedback) {
--- a/src/components/views/elements/ImageView.tsx
+++ b/src/components/views/elements/ImageView.tsx
@ -24,7 +24,7 @@ import FocusLock from "react-focus-lock";
 import MemberAvatar from "../avatars/MemberAvatar";
 import { ContextMenuTooltipButton } from "../../../accessibility/context_menu/ContextMenuTooltipButton";
 import MessageContextMenu from "../context_menus/MessageContextMenu";
-import { aboveLeftOf, ContextMenu } from '../../structures/ContextMenu';
+import { aboveLeftOf } from '../../structures/ContextMenu';
 import MessageTimestamp from "../messages/MessageTimestamp";
 import SettingsStore from "../../../settings/SettingsStore";
 import { formatFullDate } from "../../../DateUtils";
@ -304,17 +304,13 @@ export default class ImageView extends React.Component<IProps, IState> {
        let contextMenu = null;
        if (this.state.contextMenuDisplayed) {
            contextMenu = (
-                <ContextMenu
+                <MessageContextMenu
                    {...aboveLeftOf(this.contextMenuButton.current.getBoundingClientRect())}
+                    mxEvent={this.props.mxEvent}
+                    permalinkCreator={this.props.permalinkCreator}
                    onFinished={this.onCloseContextMenu}
-                >
-                    <MessageContextMenu
-                        mxEvent={this.props.mxEvent}
-                        permalinkCreator={this.props.permalinkCreator}
-                        onFinished={this.onCloseContextMenu}
-                        onCloseDialog={this.props.onFinished}
-                    />
-                </ContextMenu>
+                    onCloseDialog={this.props.onFinished}
+                />
            );
        }

--- a/src/components/views/elements/RoomAliasField.tsx
+++ b/src/components/views/elements/RoomAliasField.tsx
@ -27,6 +27,7 @@ interface IProps {
    value: string;
    label?: string;
    placeholder?: string;
+    disabled?: boolean;
    onChange?(value: string): void;
 }

@ -68,6 +69,7 @@ export default class RoomAliasField extends React.PureComponent<IProps, IState>
                onChange={this.onChange}
                value={this.props.value.substring(1, this.props.value.length - this.props.domain.length - 1)}
                maxLength={maxlength}
+                disabled={this.props.disabled}
            />
        );
    }
--- a/src/components/views/elements/SpellCheckLanguagesDropdown.tsx
+++ b/src/components/views/elements/SpellCheckLanguagesDropdown.tsx
@ -17,11 +17,11 @@ limitations under the License.
 import React from 'react';

 import Dropdown from "../../views/elements/Dropdown";
-import * as sdk from '../../../index';
 import PlatformPeg from "../../../PlatformPeg";
 import SettingsStore from "../../../settings/SettingsStore";
 import { _t } from "../../../languageHandler";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import Spinner from "./Spinner";

 function languageMatchesSearchQuery(query, language) {
    if (language.label.toUpperCase().includes(query.toUpperCase())) return true;
@ -84,7 +84,6 @@ export default class SpellCheckLanguagesDropdown extends React.Component<SpellCh

    render() {
        if (this.state.languages === null) {
-            const Spinner = sdk.getComponent('elements.Spinner');
            return <Spinner />;
        }

--- a/src/components/views/elements/ToggleSwitch.tsx
+++ b/src/components/views/elements/ToggleSwitch.tsx
@ -17,7 +17,7 @@ limitations under the License.

 import React from "react";
 import classNames from "classnames";
-import * as sdk from "../../../index";
+import AccessibleButton from "./AccessibleButton";

 interface IProps {
    // Whether or not this toggle is in the 'on' position.
@ -43,7 +43,6 @@ export default ({ checked, disabled = false, onChange, ...props }: IProps) => {
        "mx_ToggleSwitch_enabled": !disabled,
    });

-    const AccessibleButton = sdk.getComponent("elements.AccessibleButton");
    return (
        <AccessibleButton {...props}
            className={classes}
--- a/src/components/views/elements/TooltipButton.tsx
+++ b/src/components/views/elements/TooltipButton.tsx
@ -16,11 +16,11 @@ limitations under the License.
 */

 import React from 'react';
-import * as sdk from '../../../index';
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import Tooltip from './Tooltip';

 interface IProps {
-    helpText: string;
+    helpText: React.ReactNode | string;
 }

 interface IState {
@ -49,7 +49,6 @@ export default class TooltipButton extends React.Component<IProps, IState> {
    };

    render() {
-        const Tooltip = sdk.getComponent("elements.Tooltip");
        const tip = this.state.hover ? <Tooltip
            className="mx_TooltipButton_container"
            tooltipClassName="mx_TooltipButton_helpText"
--- a/src/components/views/emojipicker/EmojiPicker.tsx
+++ b/src/components/views/emojipicker/EmojiPicker.tsx
@ -33,7 +33,7 @@ export const EMOJI_HEIGHT = 37;
 export const EMOJIS_PER_ROW = 8;

 interface IProps {
-    selectedEmojis: Set<string>;
+    selectedEmojis?: Set<string>;
    showQuickReactions?: boolean;
    onChoose(unicode: string): boolean;
 }
--- a/src/components/views/messages/MImageBody.js
+++ b/src/components/views/messages/MImageBody.js
@ -18,6 +18,7 @@ limitations under the License.

 import React, { createRef } from 'react';
 import PropTypes from 'prop-types';
+import { Blurhash } from "react-blurhash";

 import MFileBody from './MFileBody';
 import Modal from '../../../Modal';
@ -29,7 +30,6 @@ import MatrixClientContext from "../../../contexts/MatrixClientContext";
 import InlineSpinner from '../elements/InlineSpinner';
 import { replaceableComponent } from "../../../utils/replaceableComponent";
 import { mediaFromContent } from "../../../customisations/Media";
-import BlurhashPlaceholder from "../elements/BlurhashPlaceholder";
 import { BLURHASH_FIELD } from "../../../ContentMessages";

@replaceableComponent("views.messages.MImageBody")
@ -436,7 +436,7 @@ export default class MImageBody extends React.Component {
    // Overidden by MStickerBody
    getPlaceholder(width, height) {
        const blurhash = this.props.mxEvent.getContent().info[BLURHASH_FIELD];
-        if (blurhash) return <BlurhashPlaceholder blurhash={blurhash} width={width} height={height} />;
+        if (blurhash) return <Blurhash hash={blurhash} width={width} height={height} />;
        return <div className="mx_MImageBody_thumbnail_spinner">
            <InlineSpinner w={32} h={32} />
        </div>;
--- a/src/components/views/messages/MKeyVerificationRequest.tsx
+++ b/src/components/views/messages/MKeyVerificationRequest.tsx
@ -17,7 +17,6 @@ limitations under the License.
 import React from 'react';
 import { MatrixEvent } from 'matrix-js-sdk/src';
 import { MatrixClientPeg } from '../../../MatrixClientPeg';
-import * as sdk from '../../../index';
 import { _t } from '../../../languageHandler';
 import { getNameForEventRoom, userLabelForEventRoom }
    from '../../../utils/KeyVerificationStateObserver';
@ -26,6 +25,7 @@ import { RightPanelPhases } from "../../../stores/RightPanelStorePhases";
 import { Action } from "../../../dispatcher/actions";
 import EventTileBubble from "./EventTileBubble";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import AccessibleButton from '../elements/AccessibleButton';

 interface IProps {
    mxEvent: MatrixEvent;
@ -115,8 +115,6 @@ export default class MKeyVerificationRequest extends React.Component<IProps> {
    }

    public render() {
-        const AccessibleButton = sdk.getComponent("elements.AccessibleButton");
-
        const { mxEvent } = this.props;
        const request = mxEvent.verificationRequest;

--- a/src/components/views/messages/SenderProfile.tsx
+++ b/src/components/views/messages/SenderProfile.tsx
@ -24,7 +24,7 @@ import { MatrixEvent } from "matrix-js-sdk/src/models/event";

 interface IProps {
    mxEvent: MatrixEvent;
-    onClick(): void;
+    onClick?(): void;
    enableFlair: boolean;
 }

--- a/src/components/views/messages/TextualBody.tsx
+++ b/src/components/views/messages/TextualBody.tsx
@ -45,7 +45,7 @@ import Spoiler from "../elements/Spoiler";
 import QuestionDialog from "../dialogs/QuestionDialog";
 import MessageEditHistoryDialog from "../dialogs/MessageEditHistoryDialog";
 import EditMessageComposer from '../rooms/EditMessageComposer';
-import LinkPreviewWidget from '../rooms/LinkPreviewWidget';
+import LinkPreviewGroup from '../rooms/LinkPreviewGroup';

 interface IProps {
    /* the MatrixEvent to show */
@ -294,14 +294,8 @@ export default class TextualBody extends React.Component<IProps, IState> {
            // pass only the first child which is the event tile otherwise this recurses on edited events
            let links = this.findLinks([this.contentRef.current]);
            if (links.length) {
-                // de-duplicate the links after stripping hashes as they don't affect the preview
-                // using a set here maintains the order
-                links = Array.from(new Set(links.map(link => {
-                    const url = new URL(link);
-                    url.hash = "";
-                    return url.toString();
-                })));
-
+                // de-duplicate the links using a set here maintains the order
+                links = Array.from(new Set(links));
                this.setState({ links });

                // lazy-load the hidden state of the preview widget from localstorage
@ -530,15 +524,12 @@ export default class TextualBody extends React.Component<IProps, IState> {

        let widgets;
        if (this.state.links.length && !this.state.widgetHidden && this.props.showUrlPreview) {
-            widgets = this.state.links.map((link)=>{
-                return <LinkPreviewWidget
-                    key={link}
-                    link={link}
-                    mxEvent={this.props.mxEvent}
-                    onCancelClick={this.onCancelClick}
-                    onHeightChanged={this.props.onHeightChanged}
-                />;
-            });
+            widgets = <LinkPreviewGroup
+                links={this.state.links}
+                mxEvent={this.props.mxEvent}
+                onCancelClick={this.onCancelClick}
+                onHeightChanged={this.props.onHeightChanged}
+            />;
        }

        switch (content.msgtype) {
--- a/src/components/views/right_panel/EncryptionInfo.tsx
+++ b/src/components/views/right_panel/EncryptionInfo.tsx
@ -16,13 +16,13 @@ limitations under the License.

 import React from "react";

-import * as sdk from "../../../index";
 import { _t } from "../../../languageHandler";
 import { RoomMember } from "matrix-js-sdk/src/models/room-member";
 import { User } from "matrix-js-sdk/src/models/user";
+import AccessibleButton from "../elements/AccessibleButton";
+import Spinner from "../elements/Spinner";

 export const PendingActionSpinner = ({ text }) => {
-    const Spinner = sdk.getComponent('elements.Spinner');
    return <div className="mx_EncryptionInfo_spinner">
        <Spinner />
        { text }
@ -64,7 +64,6 @@ const EncryptionInfo: React.FC<IProps> = ({
        }
        content = <PendingActionSpinner text={text} />;
    } else {
-        const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
        content = (
            <AccessibleButton kind="primary" className="mx_UserInfo_wideButton" onClick={onStartVerification}>
                {_t("Start Verification")}
--- a/src/components/views/right_panel/EncryptionPanel.tsx
+++ b/src/components/views/right_panel/EncryptionPanel.tsx
@ -81,6 +81,7 @@ const EncryptionPanel: React.FC<IProps> = (props: IProps) => {
    const changeHandler = useCallback(() => {
        // handle transitions -> cancelled for mismatches which fire a modal instead of showing a card
        if (request && request.cancelled && MISMATCHES.includes(request.cancellationCode)) {
+            // FIXME: Using an import will result in test failures
            const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
            Modal.createTrackedDialog("Verification failed", "insecure", ErrorDialog, {
                headerImage: require("../../../../res/img/e2e/warning.svg"),
--- a/src/components/views/right_panel/VerificationPanel.tsx
+++ b/src/components/views/right_panel/VerificationPanel.tsx
@ -17,7 +17,6 @@ limitations under the License.
 import React from "react";

 import { MatrixClientPeg } from "../../../MatrixClientPeg";
-import * as sdk from '../../../index';
 import { verificationMethods } from 'matrix-js-sdk/src/crypto';
 import { SCAN_QR_CODE_METHOD } from "matrix-js-sdk/src/crypto/verification/QRCode";
 import { VerificationRequest } from "matrix-js-sdk/src/crypto/verification/request/VerificationRequest";
@ -38,6 +37,8 @@ import {
 } from "matrix-js-sdk/src/crypto/verification/request/VerificationRequest";
 import Spinner from "../elements/Spinner";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import AccessibleButton from "../elements/AccessibleButton";
+import VerificationShowSas from "../verification/VerificationShowSas";

 // XXX: Should be defined in matrix-js-sdk
 enum VerificationPhase {
@ -81,7 +82,6 @@ export default class VerificationPanel extends React.PureComponent<IProps, IStat
        const { member, request } = this.props;
        const showSAS: boolean = request.otherPartySupportsMethod(verificationMethods.SAS);
        const showQR: boolean = request.otherPartySupportsMethod(SCAN_QR_CODE_METHOD);
-        const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
        const brand = SdkConfig.get().brand;

        const noCommonMethodError: JSX.Element = !showSAS && !showQR ?
@ -195,7 +195,6 @@ export default class VerificationPanel extends React.PureComponent<IProps, IStat

    private renderQRReciprocatePhase() {
        const { member, request } = this.props;
-        const AccessibleButton = sdk.getComponent("elements.AccessibleButton");
        const description = request.isSelfVerification ?
            _t("Almost there! Is your other session showing the same shield?") :
            _t("Almost there! Is %(displayName)s showing the same shield?", {
@ -265,7 +264,6 @@ export default class VerificationPanel extends React.PureComponent<IProps, IStat
            });
        }

-        const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
        return (
            <div className="mx_UserInfo_container mx_VerificationPanel_verified_section">
                <h3>{_t("Verified")}</h3>
@ -282,8 +280,6 @@ export default class VerificationPanel extends React.PureComponent<IProps, IStat
    private renderCancelledPhase() {
        const { member, request } = this.props;

-        const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
-
        let startAgainInstruction: string;
        if (request.isSelfVerification) {
            startAgainInstruction = _t("Start verification again from the notification.");
@ -332,7 +328,6 @@ export default class VerificationPanel extends React.PureComponent<IProps, IStat
                    case verificationMethods.RECIPROCATE_QR_CODE:
                        return this.renderQRReciprocatePhase();
                    case verificationMethods.SAS: {
-                        const VerificationShowSas = sdk.getComponent('views.verification.VerificationShowSas');
                        const emojis = this.state.sasEvent ?
                            <VerificationShowSas
                                displayName={displayName}
--- a/src/components/views/rooms/BasicMessageComposer.tsx
+++ b/src/components/views/rooms/BasicMessageComposer.tsx
@ -711,6 +711,7 @@ export default class BasicMessageEditor extends React.Component<IProps, IState>
    }

    public insertMention(userId: string): void {
+        this.modifiedFlag = true;
        const { model } = this.props;
        const { partCreator } = model;
        const member = this.props.room.getMember(userId);
@ -729,6 +730,7 @@ export default class BasicMessageEditor extends React.Component<IProps, IState>
    }

    public insertQuotedMessage(event: MatrixEvent): void {
+        this.modifiedFlag = true;
        const { model } = this.props;
        const { partCreator } = model;
        const quoteParts = parseEvent(event, partCreator, { isQuotedMessage: true });
@ -744,6 +746,7 @@ export default class BasicMessageEditor extends React.Component<IProps, IState>
    }

    public insertPlaintext(text: string): void {
+        this.modifiedFlag = true;
        const { model } = this.props;
        const { partCreator } = model;
        const caret = this.getCaret();
--- a/src/components/views/rooms/EditMessageComposer.tsx
+++ b/src/components/views/rooms/EditMessageComposer.tsx
@ -131,11 +131,12 @@ export default class EditMessageComposer extends React.Component<IProps, IState>
        super(props);
        this.context = context; // otherwise React will only set it prior to render due to type def above

+        const isRestored = this.createEditorModel();
+        const ev = this.props.editState.getEvent();
        this.state = {
-            saveDisabled: true,
+            saveDisabled: !isRestored || !this.isContentModified(createEditContent(this.model, ev)["m.new_content"]),
        };

-        this.createEditorModel();
        window.addEventListener("beforeunload", this.saveStoredEditorState);
        this.dispatcherRef = dis.register(this.onAction);
    }
@ -230,12 +231,12 @@ export default class EditMessageComposer extends React.Component<IProps, IState>
        }
    }

-    private saveStoredEditorState(): void {
+    private saveStoredEditorState = (): void => {
        const item = SendHistoryManager.createItem(this.model);
        this.clearPreviousEdit();
        localStorage.setItem(this.editorRoomKey, this.props.editState.getEvent().getId());
        localStorage.setItem(this.editorStateKey, JSON.stringify(item));
-    }
+    };

    private isSlashCommand(): boolean {
        const parts = this.model.parts;
@ -256,10 +257,9 @@ export default class EditMessageComposer extends React.Component<IProps, IState>
    private isContentModified(newContent: IContent): boolean {
        // if nothing has changed then bail
        const oldContent = this.props.editState.getEvent().getContent();
-        if (!this.editorRef.current?.isModified() ||
-            (oldContent["msgtype"] === newContent["msgtype"] && oldContent["body"] === newContent["body"] &&
+        if (oldContent["msgtype"] === newContent["msgtype"] && oldContent["body"] === newContent["body"] &&
            oldContent["format"] === newContent["format"] &&
-            oldContent["formatted_body"] === newContent["formatted_body"])) {
+            oldContent["formatted_body"] === newContent["formatted_body"]) {
            return false;
        }
        return true;
@ -410,36 +410,27 @@ export default class EditMessageComposer extends React.Component<IProps, IState>
        dis.unregister(this.dispatcherRef);
    }

-    private createEditorModel(): void {
+    private createEditorModel(): boolean {
        const { editState } = this.props;
        const room = this.getRoom();
        const partCreator = new CommandPartCreator(room, this.context);
+
        let parts;
+        let isRestored = false;
        if (editState.hasEditorState()) {
            // if restoring state from a previous editor,
            // restore serialized parts from the state
            parts = editState.getSerializedParts().map(p => partCreator.deserializePart(p));
        } else {
-            //otherwise, either restore serialized parts from localStorage or parse the body of the event
-            parts = this.restoreStoredEditorState(partCreator) || parseEvent(editState.getEvent(), partCreator);
+            // otherwise, either restore serialized parts from localStorage or parse the body of the event
+            const restoredParts = this.restoreStoredEditorState(partCreator);
+            parts = restoredParts || parseEvent(editState.getEvent(), partCreator);
+            isRestored = !!restoredParts;
        }
        this.model = new EditorModel(parts, partCreator);
        this.saveStoredEditorState();
-    }

-    private getInitialCaretPosition(): CaretPosition {
-        const { editState } = this.props;
-        let caretPosition;
-        if (editState.hasEditorState() && editState.getCaret()) {
-            // if restoring state from a previous editor,
-            // restore caret position from the state
-            const caret = editState.getCaret();
-            caretPosition = this.model.positionForOffset(caret.offset, caret.atNodeEnd);
-        } else {
-            // otherwise, set it at the end
-            caretPosition = this.model.getPositionAtEnd();
-        }
-        return caretPosition;
+        return isRestored;
    }

    private onChange = (): void => {
--- a/src/components/views/rooms/EventTile.tsx
+++ b/src/components/views/rooms/EventTile.tsx
@ -47,6 +47,13 @@ import { StaticNotificationState } from "../../../stores/notifications/StaticNot
 import NotificationBadge from "./NotificationBadge";
 import { ComposerInsertPayload } from "../../../dispatcher/payloads/ComposerInsertPayload";
 import { Action } from '../../../dispatcher/actions';
+import MemberAvatar from '../avatars/MemberAvatar';
+import SenderProfile from '../messages/SenderProfile';
+import MessageTimestamp from '../messages/MessageTimestamp';
+import TooltipButton from '../elements/TooltipButton';
+import ReadReceiptMarker from "./ReadReceiptMarker";
+import MessageActionBar from "../messages/MessageActionBar";
+import ReactionsRow from '../messages/ReactionsRow';

 const eventTileTypes = {
    [EventType.RoomMessage]: 'messages.MessageEvent',
@ -666,7 +673,6 @@ export default class EventTile extends React.Component<IProps, IState> {
            );
        }

-        const ReadReceiptMarker = sdk.getComponent('rooms.ReadReceiptMarker');
        const avatars = [];
        const receiptOffset = 15;
        let left = 0;
@ -733,7 +739,7 @@ export default class EventTile extends React.Component<IProps, IState> {
        );
    }

-    onSenderProfileClick = event => {
+    onSenderProfileClick = () => {
        const mxEvent = this.props.mxEvent;
        dis.dispatch<ComposerInsertPayload>({
            action: Action.ComposerInsert,
@ -841,10 +847,6 @@ export default class EventTile extends React.Component<IProps, IState> {
    };

    render() {
-        const MessageTimestamp = sdk.getComponent('messages.MessageTimestamp');
-        const SenderProfile = sdk.getComponent('messages.SenderProfile');
-        const MemberAvatar = sdk.getComponent('avatars.MemberAvatar');
-
        //console.info("EventTile showUrlPreview for %s is %s", this.props.mxEvent.getId(), this.props.showUrlPreview);

        const content = this.props.mxEvent.getContent();
@ -987,7 +989,6 @@ export default class EventTile extends React.Component<IProps, IState> {
            }
        }

-        const MessageActionBar = sdk.getComponent('messages.MessageActionBar');
        const actionBar = !isEditing ? <MessageActionBar
            mxEvent={this.props.mxEvent}
            reactions={this.state.reactions}
@ -1027,7 +1028,6 @@ export default class EventTile extends React.Component<IProps, IState> {
                { 'requestLink': (sub) => <a onClick={this.onRequestKeysClick}>{ sub }</a> },
            );

-        const TooltipButton = sdk.getComponent('elements.TooltipButton');
        const keyRequestInfo = isEncryptionFailure && !isRedacted ?
            <div className="mx_EventTile_keyRequestInfo">
                <span className="mx_EventTile_keyRequestInfo_text">
@ -1038,7 +1038,6 @@ export default class EventTile extends React.Component<IProps, IState> {

        let reactionsRow;
        if (!isRedacted) {
-            const ReactionsRow = sdk.getComponent('messages.ReactionsRow');
            reactionsRow = <ReactionsRow
                mxEvent={this.props.mxEvent}
                reactions={this.state.reactions}
--- a/src/components/views/rooms/LinkPreviewGroup.tsx
+++ b/src/components/views/rooms/LinkPreviewGroup.tsx
@ -0,0 +1,76 @@
+/*
+Copyright 2021 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.
+*/
+
+import React, { useEffect } from "react";
+import { MatrixEvent } from "matrix-js-sdk/src/models/event";
+
+import { useStateToggle } from "../../../hooks/useStateToggle";
+import LinkPreviewWidget from "./LinkPreviewWidget";
+import AccessibleButton from "../elements/AccessibleButton";
+import { _t } from "../../../languageHandler";
+
+const INITIAL_NUM_PREVIEWS = 2;
+
+interface IProps {
+    links: string[]; // the URLs to be previewed
+    mxEvent: MatrixEvent; // the Event associated with the preview
+    onCancelClick?(): void; // called when the preview's cancel ('hide') button is clicked
+    onHeightChanged?(): void; // called when the preview's contents has loaded
+}
+
+const LinkPreviewGroup: React.FC<IProps> = ({ links, mxEvent, onCancelClick, onHeightChanged }) => {
+    const [expanded, toggleExpanded] = useStateToggle();
+    useEffect(() => {
+        onHeightChanged();
+    }, [onHeightChanged, expanded]);
+
+    const shownLinks = expanded ? links : links.slice(0, INITIAL_NUM_PREVIEWS);
+
+    let toggleButton;
+    if (links.length > INITIAL_NUM_PREVIEWS) {
+        toggleButton = <AccessibleButton onClick={toggleExpanded}>
+            { expanded
+                ? _t("Collapse")
+                : _t("Show %(count)s other previews", { count: links.length - shownLinks.length }) }
+        </AccessibleButton>;
+    }
+
+    return <div className="mx_LinkPreviewGroup">
+        { shownLinks.map((link, i) => (
+            <LinkPreviewWidget key={link} link={link} mxEvent={mxEvent} onHeightChanged={onHeightChanged}>
+                { i === 0 ? (
+                    <AccessibleButton
+                        className="mx_LinkPreviewGroup_hide"
+                        onClick={onCancelClick}
+                        aria-label={_t("Close preview")}
+                    >
+                        <img
+                            className="mx_filterFlipColor"
+                            alt=""
+                            role="presentation"
+                            src={require("../../../../res/img/cancel.svg")}
+                            width="18"
+                            height="18"
+                        />
+                    </AccessibleButton>
+                ): undefined }
+            </LinkPreviewWidget>
+        )) }
+        { toggleButton }
+    </div>;
+};
+
+export default LinkPreviewGroup;
--- a/src/components/views/rooms/LinkPreviewWidget.tsx
+++ b/src/components/views/rooms/LinkPreviewWidget.tsx
@ -1,6 +1,5 @@
 /*
-Copyright 2016 OpenMarket Ltd
-Copyright 2019 The Matrix.org Foundation C.I.C.
+Copyright 2016 - 2021 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.
@ -16,26 +15,33 @@ limitations under the License.
 */

 import React, { createRef } from 'react';
-import PropTypes from 'prop-types';
 import { AllHtmlEntities } from 'html-entities';
+import { MatrixEvent } from 'matrix-js-sdk/src/models/event';
+import { IPreviewUrlResponse } from 'matrix-js-sdk/src/client';
+
 import { linkifyElement } from '../../../HtmlUtils';
 import SettingsStore from "../../../settings/SettingsStore";
 import { MatrixClientPeg } from "../../../MatrixClientPeg";
-import * as sdk from "../../../index";
 import Modal from "../../../Modal";
 import * as ImageUtils from "../../../ImageUtils";
-import { _t } from "../../../languageHandler";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
 import { mediaFromMxc } from "../../../customisations/Media";
+import ImageView from '../elements/ImageView';
+
+interface IProps {
+    link: string; // the URL being previewed
+    mxEvent: MatrixEvent; // the Event associated with the preview
+    onHeightChanged(): void; // called when the preview's contents has loaded
+}
+
+interface IState {
+    preview?: IPreviewUrlResponse;
+}

@replaceableComponent("views.rooms.LinkPreviewWidget")
-export default class LinkPreviewWidget extends React.Component {
-    static propTypes = {
-        link: PropTypes.string.isRequired, // the URL being previewed
-        mxEvent: PropTypes.object.isRequired, // the Event associated with the preview
-        onCancelClick: PropTypes.func, // called when the preview's cancel ('hide') button is clicked
-        onHeightChanged: PropTypes.func, // called when the preview's contents has loaded
-    };
+export default class LinkPreviewWidget extends React.Component<IProps, IState> {
+    private unmounted = false;
+    private readonly description = createRef<HTMLDivElement>();

    constructor(props) {
        super(props);
@ -44,31 +50,25 @@ export default class LinkPreviewWidget extends React.Component {
            preview: null,
        };

-        this.unmounted = false;
-        MatrixClientPeg.get().getUrlPreview(this.props.link, this.props.mxEvent.getTs()).then((res)=>{
+        MatrixClientPeg.get().getUrlPreview(this.props.link, this.props.mxEvent.getTs()).then((preview) => {
            if (this.unmounted) {
                return;
            }
-            this.setState(
-                { preview: res },
-                this.props.onHeightChanged,
-            );
-        }, (error)=>{
+            this.setState({ preview }, this.props.onHeightChanged);
+        }, (error) => {
            console.error("Failed to get URL preview: " + error);
        });
-
-        this._description = createRef();
    }

    componentDidMount() {
-        if (this._description.current) {
-            linkifyElement(this._description.current);
+        if (this.description.current) {
+            linkifyElement(this.description.current);
        }
    }

    componentDidUpdate() {
-        if (this._description.current) {
-            linkifyElement(this._description.current);
+        if (this.description.current) {
+            linkifyElement(this.description.current);
        }
    }

@ -76,11 +76,10 @@ export default class LinkPreviewWidget extends React.Component {
        this.unmounted = true;
    }

-    onImageClick = ev => {
+    private onImageClick = ev => {
        const p = this.state.preview;
        if (ev.button != 0 || ev.metaKey) return;
        ev.preventDefault();
-        const ImageView = sdk.getComponent("elements.ImageView");

        let src = p["og:image"];
        if (src && src.startsWith("mxc://")) {
@ -136,21 +135,17 @@ export default class LinkPreviewWidget extends React.Component {
        // opaque string. This does not allow any HTML to be injected into the DOM.
        const description = AllHtmlEntities.decode(p["og:description"] || "");

-        const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
        return (
            <div className="mx_LinkPreviewWidget">
                { img }
                <div className="mx_LinkPreviewWidget_caption">
                    <div className="mx_LinkPreviewWidget_title"><a href={this.props.link} target="_blank" rel="noreferrer noopener">{ p["og:title"] }</a></div>
                    <div className="mx_LinkPreviewWidget_siteName">{ p["og:site_name"] ? (" - " + p["og:site_name"]) : null }</div>
-                    <div className="mx_LinkPreviewWidget_description" ref={this._description}>
+                    <div className="mx_LinkPreviewWidget_description" ref={this.description}>
                        { description }
                    </div>
                </div>
-                <AccessibleButton className="mx_LinkPreviewWidget_cancel" onClick={this.props.onCancelClick} aria-label={_t("Close preview")}>
-                    <img className="mx_filterFlipColor" alt="" role="presentation"
-                        src={require("../../../../res/img/cancel.svg")} width="18" height="18" />
-                </AccessibleButton>
+                { this.props.children }
            </div>
        );
    }
--- a/src/components/views/rooms/MessageComposer.tsx
+++ b/src/components/views/rooms/MessageComposer.tsx
@ -17,7 +17,6 @@ import React from 'react';
 import classNames from 'classnames';
 import { _t } from '../../../languageHandler';
 import { MatrixClientPeg } from '../../../MatrixClientPeg';
-import * as sdk from '../../../index';
 import { MatrixEvent } from "matrix-js-sdk/src/models/event";
 import { Room } from "matrix-js-sdk/src/models/room";
 import { RoomMember } from "matrix-js-sdk/src/models/room-member";
@ -44,13 +43,14 @@ import SendMessageComposer from "./SendMessageComposer";
 import { ComposerInsertPayload } from "../../../dispatcher/payloads/ComposerInsertPayload";
 import { Action } from "../../../dispatcher/actions";
 import EditorModel from "../../../editor/model";
+import EmojiPicker from '../emojipicker/EmojiPicker';
+import MemberStatusMessageAvatar from "../avatars/MemberStatusMessageAvatar";

 interface IComposerAvatarProps {
    me: object;
 }

 function ComposerAvatar(props: IComposerAvatarProps) {
-    const MemberStatusMessageAvatar = sdk.getComponent('avatars.MemberStatusMessageAvatar');
    return <div className="mx_MessageComposer_avatar">
        <MemberStatusMessageAvatar member={props.me} width={24} height={24} />
    </div>;
@ -76,7 +76,6 @@ const EmojiButton = ({ addEmoji }) => {
    let contextMenu;
    if (menuDisplayed) {
        const buttonRect = button.current.getBoundingClientRect();
-        const EmojiPicker = sdk.getComponent('emojipicker.EmojiPicker');
        contextMenu = <ContextMenu {...aboveLeftOf(buttonRect)} onFinished={closeMenu} managed={false}>
            <EmojiPicker onChoose={addEmoji} showQuickReactions={true} />
        </ContextMenu>;
@ -366,15 +365,12 @@ export default class MessageComposer extends React.Component<IProps, IState> {
        ];

        if (!this.state.tombstone && this.state.canSendMessages) {
-            const SendMessageComposer = sdk.getComponent("rooms.SendMessageComposer");
-
            controls.push(
                <SendMessageComposer
                    ref={(c) => this.messageComposerInput = c}
                    key="controls_input"
                    room={this.props.room}
                    placeholder={this.renderPlaceholderText()}
-                    resizeNotifier={this.props.resizeNotifier}
                    permalinkCreator={this.props.permalinkCreator}
                    replyToEvent={this.props.replyToEvent}
                    onChange={this.onChange}
--- a/src/components/views/rooms/ThirdPartyMemberInfo.tsx
+++ b/src/components/views/rooms/ThirdPartyMemberInfo.tsx
@ -20,13 +20,14 @@ import { MatrixEvent } from "matrix-js-sdk/src/models/event";
 import { Room } from "matrix-js-sdk/src/models/room";
 import { _t } from "../../../languageHandler";
 import dis from "../../../dispatcher/dispatcher";
-import * as sdk from "../../../index";
 import Modal from "../../../Modal";
 import { isValid3pidInvite } from "../../../RoomInvite";
 import RoomAvatar from "../avatars/RoomAvatar";
 import RoomName from "../elements/RoomName";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
 import SettingsStore from "../../../settings/SettingsStore";
+import ErrorDialog from '../dialogs/ErrorDialog';
+import AccessibleButton from '../elements/AccessibleButton';

 interface IProps {
    event: MatrixEvent;
@ -104,7 +105,6 @@ export default class ThirdPartyMemberInfo extends React.Component<IProps, IState
                // Revert echo because of error
                this.setState({ invited: true });

-                const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
                Modal.createTrackedDialog('Revoke 3pid invite failed', '', ErrorDialog, {
                    title: _t("Failed to revoke invite"),
                    description: _t(
@ -119,8 +119,6 @@ export default class ThirdPartyMemberInfo extends React.Component<IProps, IState
    };

    render() {
-        const AccessibleButton = sdk.getComponent("elements.AccessibleButton");
-
        let adminTools = null;
        if (this.state.canKick && this.state.invited) {
            adminTools = (
--- a/src/components/views/settings/E2eAdvancedPanel.tsx
+++ b/src/components/views/settings/E2eAdvancedPanel.tsx
@ -16,15 +16,14 @@ limitations under the License.

 import React from 'react';

-import * as sdk from '../../../index';
 import { _t } from "../../../languageHandler";
 import { SettingLevel } from "../../../settings/SettingLevel";
 import SettingsStore from "../../../settings/SettingsStore";
+import SettingsFlag from '../elements/SettingsFlag';

 const SETTING_MANUALLY_VERIFY_ALL_SESSIONS = "e2ee.manuallyVerifyAllSessions";

 const E2eAdvancedPanel = props => {
-    const SettingsFlag = sdk.getComponent('views.elements.SettingsFlag');
    return <div className="mx_SettingsTab_section">
        <span className="mx_SettingsTab_subheading">{_t("Encryption")}</span>

--- a/src/components/views/settings/EventIndexPanel.tsx
+++ b/src/components/views/settings/EventIndexPanel.tsx
@ -18,7 +18,6 @@ import React from 'react';

 import { _t } from '../../../languageHandler';
 import SdkConfig from "../../../SdkConfig";
-import * as sdk from '../../../index';
 import Modal from '../../../Modal';
 import SettingsStore from "../../../settings/SettingsStore";
 import AccessibleButton from "../elements/AccessibleButton";
@ -27,6 +26,7 @@ import EventIndexPeg from "../../../indexing/EventIndexPeg";
 import { SettingLevel } from "../../../settings/SettingLevel";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
 import SeshatResetDialog from '../dialogs/SeshatResetDialog';
+import InlineSpinner from '../elements/InlineSpinner';

 interface IState {
    enabling: boolean;
@ -147,7 +147,6 @@ export default class EventIndexPanel extends React.Component<{}, IState> {

    render() {
        let eventIndexingSettings = null;
-        const InlineSpinner = sdk.getComponent('elements.InlineSpinner');
        const brand = SdkConfig.get().brand;

        if (EventIndexPeg.get() !== null) {
--- a/src/components/views/settings/SetIdServer.tsx
+++ b/src/components/views/settings/SetIdServer.tsx
@ -17,7 +17,6 @@ limitations under the License.
 import url from 'url';
 import React from 'react';
 import { _t } from "../../../languageHandler";
-import * as sdk from '../../../index';
 import { MatrixClientPeg } from "../../../MatrixClientPeg";
 import Modal from '../../../Modal';
 import dis from "../../../dispatcher/dispatcher";
@ -28,6 +27,10 @@ import { getDefaultIdentityServerUrl, doesIdentityServerHaveTerms } from '../../
 import { timeout } from "../../../utils/promise";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
 import { ActionPayload } from '../../../dispatcher/payloads';
+import InlineSpinner from '../elements/InlineSpinner';
+import AccessibleButton from '../elements/AccessibleButton';
+import Field from '../elements/Field';
+import QuestionDialog from "../dialogs/QuestionDialog";

 // We'll wait up to this long when checking for 3PID bindings on the IS.
 const REACHABILITY_TIMEOUT = 10000; // ms
@ -126,7 +129,6 @@ export default class SetIdServer extends React.Component<IProps, IState> {

    private getTooltip = () => {
        if (this.state.checking) {
-            const InlineSpinner = sdk.getComponent('views.elements.InlineSpinner');
            return <div>
                <InlineSpinner />
                { _t("Checking server") }
@ -217,7 +219,6 @@ export default class SetIdServer extends React.Component<IProps, IState> {
    };

    private showNoTermsWarning(fullUrl) {
-        const QuestionDialog = sdk.getComponent("views.dialogs.QuestionDialog");
        const { finished } = Modal.createTrackedDialog('No Terms Warning', '', QuestionDialog, {
            title: _t("Identity server has no terms of service"),
            description: (
@ -319,7 +320,6 @@ export default class SetIdServer extends React.Component<IProps, IState> {
            message = unboundMessage;
        }

-        const QuestionDialog = sdk.getComponent("dialogs.QuestionDialog");
        const { finished } = Modal.createTrackedDialog('Identity Server Bound Warning', '', QuestionDialog, {
            title,
            description: message,
@ -352,8 +352,6 @@ export default class SetIdServer extends React.Component<IProps, IState> {
    };

    render() {
-        const AccessibleButton = sdk.getComponent('views.elements.AccessibleButton');
-        const Field = sdk.getComponent('elements.Field');
        const idServerUrl = this.state.currentClientIdServer;
        let sectionTitle;
        let bodyText;
@ -398,7 +396,6 @@ export default class SetIdServer extends React.Component<IProps, IState> {
                discoButtonContent = _t("Do not use an identity server");
            }
            if (this.state.disconnectBusy) {
-                const InlineSpinner = sdk.getComponent('views.elements.InlineSpinner');
                discoButtonContent = <InlineSpinner />;
            }
            discoSection = <div>
--- a/src/components/views/settings/tabs/room/RolesRoomSettingsTab.tsx
+++ b/src/components/views/settings/tabs/room/RolesRoomSettingsTab.tsx
@ -17,7 +17,6 @@ limitations under the License.
 import React from 'react';
 import { _t, _td } from "../../../../../languageHandler";
 import { MatrixClientPeg } from "../../../../../MatrixClientPeg";
-import * as sdk from "../../../../..";
 import AccessibleButton from "../../../elements/AccessibleButton";
 import Modal from "../../../../../Modal";
 import { replaceableComponent } from "../../../../../utils/replaceableComponent";
@ -26,6 +25,8 @@ import { RoomMember } from "matrix-js-sdk/src/models/room-member";
 import { MatrixEvent } from "matrix-js-sdk/src/models/event";
 import { RoomState } from "matrix-js-sdk/src/models/room-state";
 import { compare } from "../../../../../utils/strings";
+import ErrorDialog from '../../../dialogs/ErrorDialog';
+import PowerSelector from "../../../elements/PowerSelector";

 const plEventsToLabels = {
    // These will be translated for us later.
@ -76,7 +77,6 @@ interface IBannedUserProps {
 export class BannedUser extends React.Component<IBannedUserProps> {
    private onUnbanClick = (e) => {
        MatrixClientPeg.get().unban(this.props.member.roomId, this.props.member.userId).catch((err) => {
-            const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
            console.error("Failed to unban: " + err);
            Modal.createTrackedDialog('Failed to unban', '', ErrorDialog, {
                title: _t('Error'),
@ -176,7 +176,6 @@ export default class RolesRoomSettingsTab extends React.Component<IProps> {
        client.sendStateEvent(this.props.roomId, "m.room.power_levels", plContent).catch(e => {
            console.error(e);

-            const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
            Modal.createTrackedDialog('Power level requirement change failed', '', ErrorDialog, {
                title: _t('Error changing power level requirement'),
                description: _t(
@ -203,7 +202,6 @@ export default class RolesRoomSettingsTab extends React.Component<IProps> {
        client.sendStateEvent(this.props.roomId, "m.room.power_levels", plContent).catch(e => {
            console.error(e);

-            const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
            Modal.createTrackedDialog('Power level change failed', '', ErrorDialog, {
                title: _t('Error changing power level'),
                description: _t(
@ -215,8 +213,6 @@ export default class RolesRoomSettingsTab extends React.Component<IProps> {
    };

    render() {
-        const PowerSelector = sdk.getComponent('elements.PowerSelector');
-
        const client = MatrixClientPeg.get();
        const room = client.getRoom(this.props.roomId);
        const plEvent = room.currentState.getStateEvents('m.room.power_levels', '');
--- a/src/components/views/settings/tabs/room/SecurityRoomSettingsTab.tsx
+++ b/src/components/views/settings/tabs/room/SecurityRoomSettingsTab.tsx
@ -21,7 +21,6 @@ import { EventType } from 'matrix-js-sdk/src/@types/event';

 import { _t } from "../../../../../languageHandler";
 import { MatrixClientPeg } from "../../../../../MatrixClientPeg";
-import * as sdk from "../../../../..";
 import LabelledToggleSwitch from "../../../elements/LabelledToggleSwitch";
 import Modal from "../../../../../Modal";
 import QuestionDialog from "../../../dialogs/QuestionDialog";
@ -37,6 +36,7 @@ import ManageRestrictedJoinRuleDialog from '../../../dialogs/ManageRestrictedJoi
 import RoomUpgradeWarningDialog from '../../../dialogs/RoomUpgradeWarningDialog';
 import { upgradeRoom } from "../../../../../utils/RoomUpgrade";
 import { arrayHasDiff } from "../../../../../utils/arrays";
+import SettingsFlag from '../../../elements/SettingsFlag';

 interface IProps {
    roomId: string;
@ -503,8 +503,6 @@ export default class SecurityRoomSettingsTab extends React.Component<IProps, ISt
    }

    render() {
-        const SettingsFlag = sdk.getComponent("elements.SettingsFlag");
-
        const client = MatrixClientPeg.get();
        const room = client.getRoom(this.props.roomId);
        const isEncrypted = this.state.encrypted;
--- a/src/components/views/settings/tabs/user/HelpUserSettingsTab.tsx
+++ b/src/components/views/settings/tabs/user/HelpUserSettingsTab.tsx
@ -22,7 +22,6 @@ import AccessibleTooltipButton from '../../../elements/AccessibleTooltipButton';
 import SdkConfig from "../../../../../SdkConfig";
 import createRoom from "../../../../../createRoom";
 import Modal from "../../../../../Modal";
-import * as sdk from "../../../../..";
 import PlatformPeg from "../../../../../PlatformPeg";
 import * as KeyboardShortcuts from "../../../../../accessibility/KeyboardShortcuts";
 import UpdateCheckButton from "../../UpdateCheckButton";
@ -30,6 +29,8 @@ import { replaceableComponent } from "../../../../../utils/replaceableComponent"
 import { copyPlaintext } from "../../../../../utils/strings";
 import * as ContextMenu from "../../../../structures/ContextMenu";
 import { toRightOf } from "../../../../structures/ContextMenu";
+import BugReportDialog from '../../../dialogs/BugReportDialog';
+import GenericTextContextMenu from "../../../context_menus/GenericTextContextMenu";

 interface IProps {
    closeSettingsFn: () => void;
@ -81,10 +82,6 @@ export default class HelpUserSettingsTab extends React.Component<IProps, IState>
    };

    private onBugReport = (e) => {
-        const BugReportDialog = sdk.getComponent("dialogs.BugReportDialog");
-        if (!BugReportDialog) {
-            return;
-        }
        Modal.createTrackedDialog('Bug Report Dialog', '', BugReportDialog, {});
    };

@ -171,7 +168,6 @@ export default class HelpUserSettingsTab extends React.Component<IProps, IState>

        const successful = await copyPlaintext(MatrixClientPeg.get().getAccessToken());
        const buttonRect = target.getBoundingClientRect();
-        const GenericTextContextMenu = sdk.getComponent('context_menus.GenericTextContextMenu');
        const { close } = ContextMenu.createMenu(GenericTextContextMenu, {
            ...toRightOf(buttonRect, 2),
            message: successful ? _t('Copied!') : _t('Failed to copy'),
--- a/src/components/views/settings/tabs/user/MjolnirUserSettingsTab.tsx
+++ b/src/components/views/settings/tabs/user/MjolnirUserSettingsTab.tsx
@ -22,8 +22,11 @@ import { ListRule } from "../../../../../mjolnir/ListRule";
 import { BanList, RULE_SERVER, RULE_USER } from "../../../../../mjolnir/BanList";
 import Modal from "../../../../../Modal";
 import { MatrixClientPeg } from "../../../../../MatrixClientPeg";
-import * as sdk from "../../../../../index";
 import { replaceableComponent } from "../../../../../utils/replaceableComponent";
+import ErrorDialog from "../../../dialogs/ErrorDialog";
+import QuestionDialog from "../../../dialogs/QuestionDialog";
+import AccessibleButton from "../../../elements/AccessibleButton";
+import Field from "../../../elements/Field";

 interface IState {
    busy: boolean;
@ -68,7 +71,6 @@ export default class MjolnirUserSettingsTab extends React.Component<{}, IState>
        } catch (e) {
            console.error(e);

-            const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
            Modal.createTrackedDialog('Failed to add Mjolnir rule', '', ErrorDialog, {
                title: _t('Error adding ignored user/server'),
                description: _t('Something went wrong. Please try again or view your console for hints.'),
@ -90,7 +92,6 @@ export default class MjolnirUserSettingsTab extends React.Component<{}, IState>
        } catch (e) {
            console.error(e);

-            const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
            Modal.createTrackedDialog('Failed to subscribe to Mjolnir list', '', ErrorDialog, {
                title: _t('Error subscribing to list'),
                description: _t('Please verify the room ID or address and try again.'),
@ -108,7 +109,6 @@ export default class MjolnirUserSettingsTab extends React.Component<{}, IState>
        } catch (e) {
            console.error(e);

-            const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
            Modal.createTrackedDialog('Failed to remove Mjolnir rule', '', ErrorDialog, {
                title: _t('Error removing ignored user/server'),
                description: _t('Something went wrong. Please try again or view your console for hints.'),
@ -126,7 +126,6 @@ export default class MjolnirUserSettingsTab extends React.Component<{}, IState>
        } catch (e) {
            console.error(e);

-            const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
            Modal.createTrackedDialog('Failed to unsubscribe from Mjolnir list', '', ErrorDialog, {
                title: _t('Error unsubscribing from list'),
                description: _t('Please try again or view your console for hints.'),
@ -137,8 +136,6 @@ export default class MjolnirUserSettingsTab extends React.Component<{}, IState>
    }

    private viewListRules(list: BanList) {
-        const QuestionDialog = sdk.getComponent("dialogs.QuestionDialog");
-
        const room = MatrixClientPeg.get().getRoom(list.roomId);
        const name = room ? room.name : list.roomId;

@ -168,8 +165,6 @@ export default class MjolnirUserSettingsTab extends React.Component<{}, IState>
    }

    private renderPersonalBanListRules() {
-        const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
-
        const list = Mjolnir.sharedInstance().getPersonalList();
        const rules = list ? [...list.userRules, ...list.serverRules] : [];
        if (!list || rules.length <= 0) return <i>{_t("You have not ignored anyone.")}</i>;
@ -199,8 +194,6 @@ export default class MjolnirUserSettingsTab extends React.Component<{}, IState>
    }

    private renderSubscribedBanLists() {
-        const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
-
        const personalList = Mjolnir.sharedInstance().getPersonalList();
        const lists = Mjolnir.sharedInstance().lists.filter(b => {
            return personalList? personalList.roomId !== b.roomId : true;
@ -241,8 +234,6 @@ export default class MjolnirUserSettingsTab extends React.Component<{}, IState>
    }

    render() {
-        const Field = sdk.getComponent('elements.Field');
-        const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
        const brand = SdkConfig.get().brand;

        return (
--- a/src/components/views/settings/tabs/user/PreferencesUserSettingsTab.tsx
+++ b/src/components/views/settings/tabs/user/PreferencesUserSettingsTab.tsx
@ -20,10 +20,10 @@ import { _t } from "../../../../../languageHandler";
 import LabelledToggleSwitch from "../../../elements/LabelledToggleSwitch";
 import SettingsStore from "../../../../../settings/SettingsStore";
 import Field from "../../../elements/Field";
-import * as sdk from "../../../../..";
 import PlatformPeg from "../../../../../PlatformPeg";
 import { SettingLevel } from "../../../../../settings/SettingLevel";
 import { replaceableComponent } from "../../../../../utils/replaceableComponent";
+import SettingsFlag from '../../../elements/SettingsFlag';
 import * as KeyboardShortcuts from "../../../../../accessibility/KeyboardShortcuts";
 import AccessibleButton from "../../../elements/AccessibleButton";

@ -184,7 +184,6 @@ export default class PreferencesUserSettingsTab extends React.Component<{}, ISta
    };

    private renderGroup(settingIds: string[]): React.ReactNodeArray {
-        const SettingsFlag = sdk.getComponent("views.elements.SettingsFlag");
        return settingIds.filter(SettingsStore.isEnabled).map(i => {
            return <SettingsFlag key={i} name={i} level={SettingLevel.ACCOUNT} />;
        });
--- a/src/components/views/spaces/SpaceCreateMenu.tsx
+++ b/src/components/views/spaces/SpaceCreateMenu.tsx
@ -220,6 +220,7 @@ const SpaceCreateMenu = ({ onFinished }) => {
                        value={alias}
                        placeholder={name ? nameToAlias(name, domain) : _t("e.g. my-space")}
                        label={_t("Address")}
+                        disabled={busy}
                    />
                    : null
                }
--- a/src/components/views/spaces/SpaceSettingsGeneralTab.tsx
+++ b/src/components/views/spaces/SpaceSettingsGeneralTab.tsx
@ -96,7 +96,7 @@ const SpaceSettingsGeneralTab = ({ matrixClient: cli, space, onFinished }: IProp

        { error && <div className="mx_SpaceRoomView_errorText">{ error }</div> }

-        <SpaceFeedbackPrompt onClick={() => onFinished(false)} />
+        <SpaceFeedbackPrompt />

        <div className="mx_SettingsTab_section">
            <SpaceBasicSettings
--- a/src/createRoom.ts
+++ b/src/createRoom.ts
@ -23,7 +23,6 @@ import { JoinRule, Preset, RestrictedAllowType, Visibility } from "matrix-js-sdk

 import { MatrixClientPeg } from './MatrixClientPeg';
 import Modal from './Modal';
-import * as sdk from './index';
 import { _t } from './languageHandler';
 import dis from "./dispatcher/dispatcher";
 import * as Rooms from "./Rooms";
@ -37,6 +36,8 @@ import { VIRTUAL_ROOM_EVENT_TYPE } from "./CallHandler";
 import SpaceStore from "./stores/SpaceStore";
 import { makeSpaceParentEvent } from "./utils/space";
 import { Action } from "./dispatcher/actions";
+import ErrorDialog from "./components/views/dialogs/ErrorDialog";
+import Spinner from "./components/views/elements/Spinner";

 // we define a number of interfaces which take their names from the js-sdk
 /* eslint-disable camelcase */
@ -81,9 +82,6 @@ export default async function createRoom(opts: IOpts): Promise<string | null> {

    const startTime = CountlyAnalytics.getTimestamp();

-    const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
-    const Loader = sdk.getComponent("elements.Spinner");
-
    const client = MatrixClientPeg.get();
    if (client.isGuest()) {
        dis.dispatch({ action: 'require_registration' });
@ -178,7 +176,7 @@ export default async function createRoom(opts: IOpts): Promise<string | null> {
    }

    let modal;
-    if (opts.spinner) modal = Modal.createDialog(Loader, null, 'mx_Dialog_spinner');
+    if (opts.spinner) modal = Modal.createDialog(Spinner, null, 'mx_Dialog_spinner');

    let roomId;
    return client.createRoom(createOpts).finally(function() {
--- a/src/customisations/Security.ts
+++ b/src/customisations/Security.ts
@ -16,7 +16,7 @@ limitations under the License.

 import { IMatrixClientCreds } from "../MatrixClientPeg";
 import { Kind as SetupEncryptionKind } from "../toasts/SetupEncryptionToast";
-import { ISecretStorageKeyInfo } from 'matrix-js-sdk/src/matrix';
+import { ISecretStorageKeyInfo } from 'matrix-js-sdk/src/crypto/api';

 /* eslint-disable-next-line @typescript-eslint/no-unused-vars */
 function examineLoginResponse(
--- a/Show more
+++ b/Show more