diff --git a/src/components/views/auth/AuthBody.js b/src/components/views/auth/AuthBody.js
index 9a078efb52..fa7ad2b285 100644
--- a/src/components/views/auth/AuthBody.js
+++ b/src/components/views/auth/AuthBody.js
@@ -17,7 +17,9 @@ limitations under the License.
 'use strict';
 
 import React from 'react';
+import {replaceableComponent} from "../../../utils/replaceableComponent";
 
+@replaceableComponent("views.auth.AuthBody")
 export default class AuthBody extends React.PureComponent {
     render() {
         return <div className="mx_AuthBody">
diff --git a/src/components/views/auth/AuthFooter.js b/src/components/views/auth/AuthFooter.js
index 3de5a19350..f167e16283 100644
--- a/src/components/views/auth/AuthFooter.js
+++ b/src/components/views/auth/AuthFooter.js
@@ -18,7 +18,9 @@ limitations under the License.
 
 import { _t } from '../../../languageHandler';
 import React from 'react';
+import {replaceableComponent} from "../../../utils/replaceableComponent";
 
+@replaceableComponent("views.auth.AuthFooter")
 export default class AuthFooter extends React.Component {
     render() {
         return (
diff --git a/src/components/views/auth/AuthHeader.js b/src/components/views/auth/AuthHeader.js
index 57499e397c..323299b3a8 100644
--- a/src/components/views/auth/AuthHeader.js
+++ b/src/components/views/auth/AuthHeader.js
@@ -18,7 +18,9 @@ limitations under the License.
 import React from 'react';
 import PropTypes from 'prop-types';
 import * as sdk from '../../../index';
+import {replaceableComponent} from "../../../utils/replaceableComponent";
 
+@replaceableComponent("views.auth.AuthHeader")
 export default class AuthHeader extends React.Component {
     static propTypes = {
         disableLanguageSelector: PropTypes.bool,
diff --git a/src/components/views/auth/AuthHeaderLogo.js b/src/components/views/auth/AuthHeaderLogo.js
index 9edf149a83..ea649893c6 100644
--- a/src/components/views/auth/AuthHeaderLogo.js
+++ b/src/components/views/auth/AuthHeaderLogo.js
@@ -17,7 +17,9 @@ limitations under the License.
 'use strict';
 
 import React from 'react';
+import {replaceableComponent} from "../../../utils/replaceableComponent";
 
+@replaceableComponent("views.auth.AuthHeaderLogo")
 export default class AuthHeaderLogo extends React.PureComponent {
     render() {
         return <div className="mx_AuthHeaderLogo">
diff --git a/src/components/views/auth/CaptchaForm.js b/src/components/views/auth/CaptchaForm.js
index e2d7d594fa..50de24d403 100644
--- a/src/components/views/auth/CaptchaForm.js
+++ b/src/components/views/auth/CaptchaForm.js
@@ -18,12 +18,14 @@ import React, {createRef} from 'react';
 import PropTypes from 'prop-types';
 import { _t } from '../../../languageHandler';
 import CountlyAnalytics from "../../../CountlyAnalytics";
+import {replaceableComponent} from "../../../utils/replaceableComponent";
 
 const DIV_ID = 'mx_recaptcha';
 
 /**
  * A pure UI component which displays a captcha form.
  */
+@replaceableComponent("views.auth.CaptchaForm")
 export default class CaptchaForm extends React.Component {
     static propTypes = {
         sitePublicKey: PropTypes.string,
diff --git a/src/components/views/auth/CompleteSecurityBody.js b/src/components/views/auth/CompleteSecurityBody.js
index d757de9fe0..91cd66f150 100644
--- a/src/components/views/auth/CompleteSecurityBody.js
+++ b/src/components/views/auth/CompleteSecurityBody.js
@@ -17,7 +17,9 @@ limitations under the License.
 'use strict';
 
 import React from 'react';
+import {replaceableComponent} from "../../../utils/replaceableComponent";
 
+@replaceableComponent("views.auth.CompleteSecurityBody")
 export default class CompleteSecurityBody extends React.PureComponent {
     render() {
         return <div className="mx_CompleteSecurityBody">
diff --git a/src/components/views/auth/CountryDropdown.js b/src/components/views/auth/CountryDropdown.js
index 3296b574a4..e21f112865 100644
--- a/src/components/views/auth/CountryDropdown.js
+++ b/src/components/views/auth/CountryDropdown.js
@@ -22,6 +22,7 @@ import * as sdk from '../../../index';
 import {COUNTRIES, getEmojiFlag} from '../../../phonenumber';
 import SdkConfig from "../../../SdkConfig";
 import { _t } from "../../../languageHandler";
+import {replaceableComponent} from "../../../utils/replaceableComponent";
 
 const COUNTRIES_BY_ISO2 = {};
 for (const c of COUNTRIES) {
@@ -40,6 +41,7 @@ function countryMatchesSearchQuery(query, country) {
     return false;
 }
 
+@replaceableComponent("views.auth.CountryDropdown")
 export default class CountryDropdown extends React.Component {
     constructor(props) {
         super(props);
diff --git a/src/components/views/auth/InteractiveAuthEntryComponents.js b/src/components/views/auth/InteractiveAuthEntryComponents.js
index 7dc1976641..6cbecd22ee 100644
--- a/src/components/views/auth/InteractiveAuthEntryComponents.js
+++ b/src/components/views/auth/InteractiveAuthEntryComponents.js
@@ -26,6 +26,7 @@ import SettingsStore from "../../../settings/SettingsStore";
 import AccessibleButton from "../elements/AccessibleButton";
 import Spinner from "../elements/Spinner";
 import CountlyAnalytics from "../../../CountlyAnalytics";
+import {replaceableComponent} from "../../../utils/replaceableComponent";
 
 /* This file contains a collection of components which are used by the
  * InteractiveAuth to prompt the user to enter the information needed
@@ -75,6 +76,7 @@ import CountlyAnalytics from "../../../CountlyAnalytics";
 
 export const DEFAULT_PHASE = 0;
 
+@replaceableComponent("views.auth.PasswordAuthEntry")
 export class PasswordAuthEntry extends React.Component {
     static LOGIN_TYPE = "m.login.password";
 
@@ -173,6 +175,7 @@ export class PasswordAuthEntry extends React.Component {
     }
 }
 
+@replaceableComponent("views.auth.RecaptchaAuthEntry")
 export class RecaptchaAuthEntry extends React.Component {
     static LOGIN_TYPE = "m.login.recaptcha";
 
@@ -235,6 +238,7 @@ export class RecaptchaAuthEntry extends React.Component {
     }
 }
 
+@replaceableComponent("views.auth.TermsAuthEntry")
 export class TermsAuthEntry extends React.Component {
     static LOGIN_TYPE = "m.login.terms";
 
@@ -385,6 +389,7 @@ export class TermsAuthEntry extends React.Component {
     }
 }
 
+@replaceableComponent("views.auth.EmailIdentityAuthEntry")
 export class EmailIdentityAuthEntry extends React.Component {
     static LOGIN_TYPE = "m.login.email.identity";
 
@@ -432,6 +437,7 @@ export class EmailIdentityAuthEntry extends React.Component {
     }
 }
 
+@replaceableComponent("views.auth.MsisdnAuthEntry")
 export class MsisdnAuthEntry extends React.Component {
     static LOGIN_TYPE = "m.login.msisdn";
 
@@ -578,6 +584,7 @@ export class MsisdnAuthEntry extends React.Component {
     }
 }
 
+@replaceableComponent("views.auth.SSOAuthEntry")
 export class SSOAuthEntry extends React.Component {
     static propTypes = {
         matrixClient: PropTypes.object.isRequired,
@@ -708,6 +715,7 @@ export class SSOAuthEntry extends React.Component {
     }
 }
 
+@replaceableComponent("views.auth.FallbackAuthEntry")
 export class FallbackAuthEntry extends React.Component {
     static propTypes = {
         matrixClient: PropTypes.object.isRequired,
diff --git a/src/components/views/auth/PassphraseField.tsx b/src/components/views/auth/PassphraseField.tsx
index e240ad61ca..274c244b2a 100644
--- a/src/components/views/auth/PassphraseField.tsx
+++ b/src/components/views/auth/PassphraseField.tsx
@@ -22,6 +22,7 @@ import SdkConfig from "../../../SdkConfig";
 import withValidation, {IFieldState, IValidationResult} from "../elements/Validation";
 import {_t, _td} from "../../../languageHandler";
 import Field, {IInputProps} from "../elements/Field";
+import {replaceableComponent} from "../../../utils/replaceableComponent";
 
 interface IProps extends Omit<IInputProps, "onValidate"> {
     autoFocus?: boolean;
@@ -40,6 +41,7 @@ interface IProps extends Omit<IInputProps, "onValidate"> {
     onValidate(result: IValidationResult);
 }
 
+@replaceableComponent("views.auth.PassphraseField")
 class PassphraseField extends PureComponent<IProps> {
     static defaultProps = {
         label: _td("Password"),
diff --git a/src/components/views/auth/PasswordLogin.tsx b/src/components/views/auth/PasswordLogin.tsx
index b2a3d62f55..2a42804a61 100644
--- a/src/components/views/auth/PasswordLogin.tsx
+++ b/src/components/views/auth/PasswordLogin.tsx
@@ -26,6 +26,7 @@ import withValidation from "../elements/Validation";
 import * as Email from "../../../email";
 import Field from "../elements/Field";
 import CountryDropdown from "./CountryDropdown";
+import {replaceableComponent} from "../../../utils/replaceableComponent";
 
 // For validating phone numbers without country codes
 const PHONE_NUMBER_REGEX = /^[0-9()\-\s]*$/;
@@ -66,6 +67,7 @@ enum LoginField {
  * A pure UI component which displays a username/password form.
  * The email/username/phone fields are fully-controlled, the password field is not.
  */
+@replaceableComponent("views.auth.PasswordLogin")
 export default class PasswordLogin extends React.PureComponent<IProps, IState> {
     static defaultProps = {
         onUsernameChanged: function() {},
diff --git a/src/components/views/auth/RegistrationForm.tsx b/src/components/views/auth/RegistrationForm.tsx
index e42ed88f99..85e0933be9 100644
--- a/src/components/views/auth/RegistrationForm.tsx
+++ b/src/components/views/auth/RegistrationForm.tsx
@@ -30,6 +30,7 @@ import PassphraseField from "./PassphraseField";
 import CountlyAnalytics from "../../../CountlyAnalytics";
 import Field from '../elements/Field';
 import RegistrationEmailPromptDialog from '../dialogs/RegistrationEmailPromptDialog';
+import {replaceableComponent} from "../../../utils/replaceableComponent";
 
 enum RegistrationField {
     Email = "field_email",
@@ -80,6 +81,7 @@ interface IState {
 /*
  * A pure UI component which displays a registration form.
  */
+@replaceableComponent("views.auth.RegistrationForm")
 export default class RegistrationForm extends React.PureComponent<IProps, IState> {
     static defaultProps = {
         onValidationChange: console.error,
diff --git a/src/components/views/auth/Welcome.js b/src/components/views/auth/Welcome.js
index 0205f4e0b9..fca66fcf9b 100644
--- a/src/components/views/auth/Welcome.js
+++ b/src/components/views/auth/Welcome.js
@@ -24,10 +24,12 @@ import {_td} from "../../../languageHandler";
 import SettingsStore from "../../../settings/SettingsStore";
 import {UIFeature} from "../../../settings/UIFeature";
 import CountlyAnalytics from "../../../CountlyAnalytics";
+import {replaceableComponent} from "../../../utils/replaceableComponent";
 
 // translatable strings for Welcome pages
 _td("Sign in with SSO");
 
+@replaceableComponent("views.auth.Welcome")
 export default class Welcome extends React.PureComponent {
     constructor(props) {
         super(props);
diff --git a/src/components/views/avatars/DecoratedRoomAvatar.tsx b/src/components/views/avatars/DecoratedRoomAvatar.tsx
index d7e012467b..e95022687a 100644
--- a/src/components/views/avatars/DecoratedRoomAvatar.tsx
+++ b/src/components/views/avatars/DecoratedRoomAvatar.tsx
@@ -30,6 +30,7 @@ import {MatrixClientPeg} from "../../../MatrixClientPeg";
 import {_t} from "../../../languageHandler";
 import TextWithTooltip from "../elements/TextWithTooltip";
 import DMRoomMap from "../../../utils/DMRoomMap";
+import {replaceableComponent} from "../../../utils/replaceableComponent";
 
 interface IProps {
     room: Room;
@@ -68,6 +69,7 @@ function tooltipText(variant: Icon) {
     }
 }
 
+@replaceableComponent("views.avatars.DecoratedRoomAvatar")
 export default class DecoratedRoomAvatar extends React.PureComponent<IProps, IState> {
     private _dmUser: User;
     private isUnmounted = false;
diff --git a/src/components/views/avatars/GroupAvatar.tsx b/src/components/views/avatars/GroupAvatar.tsx
index 51327605c0..a033257871 100644
--- a/src/components/views/avatars/GroupAvatar.tsx
+++ b/src/components/views/avatars/GroupAvatar.tsx
@@ -17,6 +17,7 @@ limitations under the License.
 import React from 'react';
 import {MatrixClientPeg} from '../../../MatrixClientPeg';
 import BaseAvatar from './BaseAvatar';
+import {replaceableComponent} from "../../../utils/replaceableComponent";
 
 export interface IProps {
         groupId?: string;
@@ -28,6 +29,7 @@ export interface IProps {
         onClick?: React.MouseEventHandler;
 }
 
+@replaceableComponent("views.avatars.GroupAvatar")
 export default class GroupAvatar extends React.Component<IProps> {
     public static defaultProps = {
         width: 36,
diff --git a/src/components/views/avatars/MemberAvatar.tsx b/src/components/views/avatars/MemberAvatar.tsx
index 60b043016b..641046aa55 100644
--- a/src/components/views/avatars/MemberAvatar.tsx
+++ b/src/components/views/avatars/MemberAvatar.tsx
@@ -22,6 +22,7 @@ import dis from "../../../dispatcher/dispatcher";
 import {Action} from "../../../dispatcher/actions";
 import {MatrixClientPeg} from "../../../MatrixClientPeg";
 import BaseAvatar from "./BaseAvatar";
+import {replaceableComponent} from "../../../utils/replaceableComponent";
 
 interface IProps extends Omit<React.ComponentProps<typeof BaseAvatar>, "name" | "idName" | "url"> {
     member: RoomMember;
@@ -42,6 +43,7 @@ interface IState {
     imageUrl?: string;
 }
 
+@replaceableComponent("views.avatars.MemberAvatar")
 export default class MemberAvatar extends React.Component<IProps, IState> {
     public static defaultProps = {
         width: 40,
diff --git a/src/components/views/avatars/MemberStatusMessageAvatar.js b/src/components/views/avatars/MemberStatusMessageAvatar.js
index d5d927106c..acf190f17f 100644
--- a/src/components/views/avatars/MemberStatusMessageAvatar.js
+++ b/src/components/views/avatars/MemberStatusMessageAvatar.js
@@ -23,7 +23,9 @@ import classNames from 'classnames';
 import StatusMessageContextMenu from "../context_menus/StatusMessageContextMenu";
 import SettingsStore from "../../../settings/SettingsStore";
 import {ContextMenu, ContextMenuButton} from "../../structures/ContextMenu";
+import {replaceableComponent} from "../../../utils/replaceableComponent";
 
+@replaceableComponent("views.avatars.MemberStatusMessageAvatar")
 export default class MemberStatusMessageAvatar extends React.Component {
     static propTypes = {
         member: PropTypes.object.isRequired,
diff --git a/src/components/views/avatars/RoomAvatar.tsx b/src/components/views/avatars/RoomAvatar.tsx
index 952b9d4cb6..0a59f6e36a 100644
--- a/src/components/views/avatars/RoomAvatar.tsx
+++ b/src/components/views/avatars/RoomAvatar.tsx
@@ -23,6 +23,7 @@ import {MatrixClientPeg} from '../../../MatrixClientPeg';
 import Modal from '../../../Modal';
 import * as Avatar from '../../../Avatar';
 import {ResizeMethod} from "../../../Avatar";
+import {replaceableComponent} from "../../../utils/replaceableComponent";
 
 interface IProps extends Omit<ComponentProps<typeof BaseAvatar>, "name" | "idName" | "url" | "onClick"> {
     // Room may be left unset here, but if it is,
@@ -42,6 +43,7 @@ interface IState {
     urls: string[];
 }
 
+@replaceableComponent("views.avatars.RoomAvatar")
 export default class RoomAvatar extends React.Component<IProps, IState> {
     public static defaultProps = {
         width: 36,
diff --git a/src/components/views/context_menus/CallContextMenu.tsx b/src/components/views/context_menus/CallContextMenu.tsx
index 3557976326..97473059a6 100644
--- a/src/components/views/context_menus/CallContextMenu.tsx
+++ b/src/components/views/context_menus/CallContextMenu.tsx
@@ -22,11 +22,13 @@ import { MatrixCall } from 'matrix-js-sdk/src/webrtc/call';
 import CallHandler from '../../../CallHandler';
 import InviteDialog, { KIND_CALL_TRANSFER } from '../dialogs/InviteDialog';
 import Modal from '../../../Modal';
+import {replaceableComponent} from "../../../utils/replaceableComponent";
 
 interface IProps extends IContextMenuProps {
     call: MatrixCall;
 }
 
+@replaceableComponent("views.context_menus.CallContextMenu")
 export default class CallContextMenu extends React.Component<IProps> {
     static propTypes = {
         // js-sdk User object. Not required because it might not exist.
diff --git a/src/components/views/context_menus/DialpadContextMenu.tsx b/src/components/views/context_menus/DialpadContextMenu.tsx
index e3aed0179b..17abce0c61 100644
--- a/src/components/views/context_menus/DialpadContextMenu.tsx
+++ b/src/components/views/context_menus/DialpadContextMenu.tsx
@@ -19,6 +19,7 @@ import { _t } from '../../../languageHandler';
 import { ContextMenu, IProps as IContextMenuProps } from '../../structures/ContextMenu';
 import { MatrixCall } from 'matrix-js-sdk/src/webrtc/call';
 import Dialpad from '../voip/DialPad';
+import {replaceableComponent} from "../../../utils/replaceableComponent";
 
 interface IProps extends IContextMenuProps {
     call: MatrixCall;
@@ -28,6 +29,7 @@ interface IState {
     value: string;
 }
 
+@replaceableComponent("views.context_menus.DialpadContextMenu")
 export default class DialpadContextMenu extends React.Component<IProps, IState> {
     constructor(props) {
         super(props);
diff --git a/src/components/views/context_menus/GenericElementContextMenu.js b/src/components/views/context_menus/GenericElementContextMenu.js
index cea684b663..e04e3f7695 100644
--- a/src/components/views/context_menus/GenericElementContextMenu.js
+++ b/src/components/views/context_menus/GenericElementContextMenu.js
@@ -16,6 +16,7 @@ limitations under the License.
 
 import React from 'react';
 import PropTypes from 'prop-types';
+import {replaceableComponent} from "../../../utils/replaceableComponent";
 
 /*
  * This component can be used to display generic HTML content in a contextual
@@ -23,6 +24,7 @@ import PropTypes from 'prop-types';
  */
 
 
+@replaceableComponent("views.context_menus.GenericElementContextMenu")
 export default class GenericElementContextMenu extends React.Component {
     static propTypes = {
         element: PropTypes.element.isRequired,
diff --git a/src/components/views/context_menus/GenericTextContextMenu.js b/src/components/views/context_menus/GenericTextContextMenu.js
index 068f83be5f..3d3add006f 100644
--- a/src/components/views/context_menus/GenericTextContextMenu.js
+++ b/src/components/views/context_menus/GenericTextContextMenu.js
@@ -16,7 +16,9 @@ limitations under the License.
 
 import React from 'react';
 import PropTypes from 'prop-types';
+import {replaceableComponent} from "../../../utils/replaceableComponent";
 
+@replaceableComponent("views.context_menus.GenericTextContextMenu")
 export default class GenericTextContextMenu extends React.Component {
     static propTypes = {
         message: PropTypes.string.isRequired,
diff --git a/src/components/views/context_menus/GroupInviteTileContextMenu.js b/src/components/views/context_menus/GroupInviteTileContextMenu.js
index 27ef76452f..11a9d90ac2 100644
--- a/src/components/views/context_menus/GroupInviteTileContextMenu.js
+++ b/src/components/views/context_menus/GroupInviteTileContextMenu.js
@@ -23,7 +23,9 @@ import Modal from '../../../Modal';
 import {Group} from 'matrix-js-sdk';
 import GroupStore from "../../../stores/GroupStore";
 import {MenuItem} from "../../structures/ContextMenu";
+import {replaceableComponent} from "../../../utils/replaceableComponent";
 
+@replaceableComponent("views.context_menus.GroupInviteTileContextMenu")
 export default class GroupInviteTileContextMenu extends React.Component {
     static propTypes = {
         group: PropTypes.instanceOf(Group).isRequired,
diff --git a/src/components/views/context_menus/MessageContextMenu.js b/src/components/views/context_menus/MessageContextMenu.js
index 6b871e4f24..e19cfab809 100644
--- a/src/components/views/context_menus/MessageContextMenu.js
+++ b/src/components/views/context_menus/MessageContextMenu.js
@@ -32,11 +32,13 @@ import { isUrlPermitted } from '../../../HtmlUtils';
 import { isContentActionable } from '../../../utils/EventUtils';
 import {MenuItem} from "../../structures/ContextMenu";
 import {EventType} from "matrix-js-sdk/src/@types/event";
+import {replaceableComponent} from "../../../utils/replaceableComponent";
 
 function canCancel(eventStatus) {
     return eventStatus === EventStatus.QUEUED || eventStatus === EventStatus.NOT_SENT;
 }
 
+@replaceableComponent("views.context_menus.MessageContextMenu")
 export default class MessageContextMenu extends React.Component {
     static propTypes = {
         /* the MatrixEvent associated with the context menu */
diff --git a/src/components/views/context_menus/StatusMessageContextMenu.js b/src/components/views/context_menus/StatusMessageContextMenu.js
index 5e6f06dd5d..41f0e0ba61 100644
--- a/src/components/views/context_menus/StatusMessageContextMenu.js
+++ b/src/components/views/context_menus/StatusMessageContextMenu.js
@@ -20,7 +20,9 @@ import { _t } from '../../../languageHandler';
 import {MatrixClientPeg} from '../../../MatrixClientPeg';
 import * as sdk from '../../../index';
 import AccessibleButton from '../elements/AccessibleButton';
+import {replaceableComponent} from "../../../utils/replaceableComponent";
 
+@replaceableComponent("views.context_menus.StatusMessageContextMenu")
 export default class StatusMessageContextMenu extends React.Component {
     static propTypes = {
         // js-sdk User object. Not required because it might not exist.
diff --git a/src/components/views/context_menus/TagTileContextMenu.js b/src/components/views/context_menus/TagTileContextMenu.js
index 8d690483a8..8dea62690c 100644
--- a/src/components/views/context_menus/TagTileContextMenu.js
+++ b/src/components/views/context_menus/TagTileContextMenu.js
@@ -22,7 +22,9 @@ import dis from '../../../dispatcher/dispatcher';
 import TagOrderActions from '../../../actions/TagOrderActions';
 import {MenuItem} from "../../structures/ContextMenu";
 import MatrixClientContext from "../../../contexts/MatrixClientContext";
+import {replaceableComponent} from "../../../utils/replaceableComponent";
 
+@replaceableComponent("views.context_menus.TagTileContextMenu")
 export default class TagTileContextMenu extends React.Component {
     static propTypes = {
         tag: PropTypes.string.isRequired,
diff --git a/src/components/views/dialogs/AddressPickerDialog.js b/src/components/views/dialogs/AddressPickerDialog.js
index 2cd09874b2..929d688e47 100644
--- a/src/components/views/dialogs/AddressPickerDialog.js
+++ b/src/components/views/dialogs/AddressPickerDialog.js
@@ -33,6 +33,7 @@ import { abbreviateUrl } from '../../../utils/UrlUtils';
 import {sleep} from "../../../utils/promise";
 import {Key} from "../../../Keyboard";
 import {Action} from "../../../dispatcher/actions";
+import {replaceableComponent} from "../../../utils/replaceableComponent";
 
 const TRUNCATE_QUERY_LIST = 40;
 const QUERY_USER_DIRECTORY_DEBOUNCE_MS = 200;
@@ -43,7 +44,7 @@ const addressTypeName = {
     'email': _td("email address"),
 };
 
-
+@replaceableComponent("views.dialogs.AddressPickerDialog")
 export default class AddressPickerDialog extends React.Component {
     static propTypes = {
         title: PropTypes.string.isRequired,
diff --git a/src/components/views/dialogs/AskInviteAnywayDialog.js b/src/components/views/dialogs/AskInviteAnywayDialog.js
index c69400977a..e6cd45ba6b 100644
--- a/src/components/views/dialogs/AskInviteAnywayDialog.js
+++ b/src/components/views/dialogs/AskInviteAnywayDialog.js
@@ -20,7 +20,9 @@ import * as sdk from '../../../index';
 import { _t } from '../../../languageHandler';
 import SettingsStore from "../../../settings/SettingsStore";
 import {SettingLevel} from "../../../settings/SettingLevel";
+import {replaceableComponent} from "../../../utils/replaceableComponent";
 
+@replaceableComponent("views.dialogs.AskInviteAnywayDialog")
 export default class AskInviteAnywayDialog extends React.Component {
     static propTypes = {
         unknownProfileUsers: PropTypes.array.isRequired, // [ {userId, errorText}... ]
diff --git a/src/components/views/dialogs/BaseDialog.js b/src/components/views/dialogs/BaseDialog.js
index 9ba5368ee5..0858e53e50 100644
--- a/src/components/views/dialogs/BaseDialog.js
+++ b/src/components/views/dialogs/BaseDialog.js
@@ -26,6 +26,7 @@ import AccessibleButton from '../elements/AccessibleButton';
 import {MatrixClientPeg} from '../../../MatrixClientPeg';
 import { _t } from "../../../languageHandler";
 import MatrixClientContext from "../../../contexts/MatrixClientContext";
+import {replaceableComponent} from "../../../utils/replaceableComponent";
 
 /*
  * Basic container for modal dialogs.
@@ -33,6 +34,7 @@ import MatrixClientContext from "../../../contexts/MatrixClientContext";
  * Includes a div for the title, and a keypress handler which cancels the
  * dialog on escape.
  */
+@replaceableComponent("views.dialogs.BaseDialog")
 export default class BaseDialog extends React.Component {
     static propTypes = {
         // onFinished callback to call when Escape is pressed
diff --git a/src/components/views/dialogs/BugReportDialog.js b/src/components/views/dialogs/BugReportDialog.js
index c4dd0a1430..8948c14c7c 100644
--- a/src/components/views/dialogs/BugReportDialog.js
+++ b/src/components/views/dialogs/BugReportDialog.js
@@ -25,7 +25,9 @@ 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";
 
+@replaceableComponent("views.dialogs.BugReportDialog")
 export default class BugReportDialog extends React.Component {
     constructor(props) {
         super(props);
diff --git a/src/components/views/dialogs/CommunityPrototypeInviteDialog.tsx b/src/components/views/dialogs/CommunityPrototypeInviteDialog.tsx
index 1c8a4ad6f6..d1080566ac 100644
--- a/src/components/views/dialogs/CommunityPrototypeInviteDialog.tsx
+++ b/src/components/views/dialogs/CommunityPrototypeInviteDialog.tsx
@@ -31,6 +31,7 @@ import {inviteMultipleToRoom, showAnyInviteErrors} from "../../../RoomInvite";
 import StyledCheckbox from "../elements/StyledCheckbox";
 import Modal from "../../../Modal";
 import ErrorDialog from "./ErrorDialog";
+import {replaceableComponent} from "../../../utils/replaceableComponent";
 
 interface IProps extends IDialogProps {
     roomId: string;
@@ -52,6 +53,7 @@ interface IState {
     busy: boolean;
 }
 
+@replaceableComponent("views.dialogs.CommunityPrototypeInviteDialog")
 export default class CommunityPrototypeInviteDialog extends React.PureComponent<IProps, IState> {
     constructor(props: IProps) {
         super(props);
diff --git a/src/components/views/dialogs/ConfirmAndWaitRedactDialog.js b/src/components/views/dialogs/ConfirmAndWaitRedactDialog.js
index 0622dd7dfb..37d5510756 100644
--- a/src/components/views/dialogs/ConfirmAndWaitRedactDialog.js
+++ b/src/components/views/dialogs/ConfirmAndWaitRedactDialog.js
@@ -17,6 +17,7 @@ limitations under the License.
 import React from 'react';
 import * as sdk from '../../../index';
 import { _t } from '../../../languageHandler';
+import {replaceableComponent} from "../../../utils/replaceableComponent";
 
 /*
  * A dialog for confirming a redaction.
@@ -30,6 +31,7 @@ import { _t } from '../../../languageHandler';
  *
  * To avoid this, we keep the dialog open as long as /redact is in progress.
  */
+@replaceableComponent("views.dialogs.ConfirmAndWaitRedactDialog")
 export default class ConfirmAndWaitRedactDialog extends React.PureComponent {
     constructor(props) {
         super(props);
diff --git a/src/components/views/dialogs/ConfirmRedactDialog.js b/src/components/views/dialogs/ConfirmRedactDialog.js
index 2216f9a93a..bd63d3acc1 100644
--- a/src/components/views/dialogs/ConfirmRedactDialog.js
+++ b/src/components/views/dialogs/ConfirmRedactDialog.js
@@ -17,10 +17,12 @@ limitations under the License.
 import React from 'react';
 import * as sdk from '../../../index';
 import { _t } from '../../../languageHandler';
+import {replaceableComponent} from "../../../utils/replaceableComponent";
 
 /*
  * A dialog for confirming a redaction.
  */
+@replaceableComponent("views.dialogs.ConfirmRedactDialog")
 export default class ConfirmRedactDialog extends React.Component {
     render() {
         const TextInputDialog = sdk.getComponent('views.dialogs.TextInputDialog');
diff --git a/src/components/views/dialogs/ConfirmUserActionDialog.js b/src/components/views/dialogs/ConfirmUserActionDialog.js
index 44f57f047e..8827f161f1 100644
--- a/src/components/views/dialogs/ConfirmUserActionDialog.js
+++ b/src/components/views/dialogs/ConfirmUserActionDialog.js
@@ -20,6 +20,7 @@ import { MatrixClient } from 'matrix-js-sdk';
 import * as sdk from '../../../index';
 import { _t } from '../../../languageHandler';
 import { GroupMemberType } from '../../../groups';
+import {replaceableComponent} from "../../../utils/replaceableComponent";
 
 /*
  * A dialog for confirming an operation on another user.
@@ -29,6 +30,7 @@ import { GroupMemberType } from '../../../groups';
  * to make it obvious what is going to happen.
  * Also tweaks the style for 'dangerous' actions (albeit only with colour)
  */
+@replaceableComponent("views.dialogs.ConfirmUserActionDialog")
 export default class ConfirmUserActionDialog extends React.Component {
     static propTypes = {
         // matrix-js-sdk (room) member object. Supply either this or 'groupMember'
diff --git a/src/components/views/dialogs/security/ConfirmDestroyCrossSigningDialog.js b/src/components/views/dialogs/security/ConfirmDestroyCrossSigningDialog.js
index abc1586205..43fb25f152 100644
--- a/src/components/views/dialogs/security/ConfirmDestroyCrossSigningDialog.js
+++ b/src/components/views/dialogs/security/ConfirmDestroyCrossSigningDialog.js
@@ -18,7 +18,9 @@ import React from 'react';
 import PropTypes from 'prop-types';
 import {_t} from "../../../../languageHandler";
 import * as sdk from "../../../../index";
+import {replaceableComponent} from "../../../../utils/replaceableComponent";
 
+@replaceableComponent("views.dialogs.security.ConfirmDestroyCrossSigningDialog")
 export default class ConfirmDestroyCrossSigningDialog extends React.Component {
     static propTypes = {
         onFinished: PropTypes.func.isRequired,
diff --git a/src/components/views/dialogs/security/CreateCrossSigningDialog.js b/src/components/views/dialogs/security/CreateCrossSigningDialog.js
index be546d2616..fedcc02f89 100644
--- a/src/components/views/dialogs/security/CreateCrossSigningDialog.js
+++ b/src/components/views/dialogs/security/CreateCrossSigningDialog.js
@@ -25,12 +25,14 @@ import DialogButtons from '../../elements/DialogButtons';
 import BaseDialog from '../BaseDialog';
 import Spinner from '../../elements/Spinner';
 import InteractiveAuthDialog from '../InteractiveAuthDialog';
+import {replaceableComponent} from "../../../../utils/replaceableComponent";
 
 /*
  * Walks the user through the process of creating a cross-signing keys. In most
  * cases, only a spinner is shown, but for more complex auth like SSO, the user
  * may need to complete some steps to proceed.
  */
+@replaceableComponent("views.dialogs.security.CreateCrossSigningDialog")
 export default class CreateCrossSigningDialog extends React.PureComponent {
     static propTypes = {
         accountPassword: PropTypes.string,
diff --git a/src/components/views/dialogs/security/SetupEncryptionDialog.js b/src/components/views/dialogs/security/SetupEncryptionDialog.js
index 9ce3144534..3c15ea9f1d 100644
--- a/src/components/views/dialogs/security/SetupEncryptionDialog.js
+++ b/src/components/views/dialogs/security/SetupEncryptionDialog.js
@@ -20,6 +20,7 @@ import SetupEncryptionBody from '../../../structures/auth/SetupEncryptionBody';
 import BaseDialog from '../BaseDialog';
 import { _t } from '../../../../languageHandler';
 import { SetupEncryptionStore, PHASE_DONE } from '../../../../stores/SetupEncryptionStore';
+import {replaceableComponent} from "../../../../utils/replaceableComponent";
 
 function iconFromPhase(phase) {
     if (phase === PHASE_DONE) {
@@ -29,6 +30,7 @@ function iconFromPhase(phase) {
     }
 }
 
+@replaceableComponent("views.dialogs.security.SetupEncryptionDialog")
 export default class SetupEncryptionDialog extends React.Component {
     static propTypes = {
         onFinished: PropTypes.func.isRequired,