Add experimental options to the Spaces beta

res/css/views/beta/_BetaCard.scss

@@ -42,7 +42,7 @@ limitations under the License.
             margin-bottom: 20px;
         }
 
-        .mx_AccessibleButton {
+        .mx_BetaCard_buttons .mx_AccessibleButton {
             display: block;
             margin: 12px 0;
             padding: 7px 40px;
@@ -55,6 +55,12 @@ limitations under the License.
             color: $secondary-fg-color;
             margin-top: 20px;
         }
+
+        .mx_BetaCard_relatedSettings {
+            summary + .mx_SettingsFlag {
+                margin-top: 4px;
+            }
+        }
     }
 
     > img {

src/components/views/beta/BetaCard.tsx

@@ -25,6 +25,7 @@ import TextWithTooltip from "../elements/TextWithTooltip";
 import Modal from "../../../Modal";
 import BetaFeedbackDialog from "../dialogs/BetaFeedbackDialog";
 import SdkConfig from "../../../SdkConfig";
+import SettingsFlag from "../elements/SettingsFlag";
 
 interface IProps {
     title?: string;
@@ -66,7 +67,7 @@ const BetaCard = ({ title: titleOverride, featureId }: IProps) => {
     const info = SettingsStore.getBetaInfo(featureId);
     if (!info) return null; // Beta is invalid/disabled
 
-    const { title, caption, disclaimer, image, feedbackLabel, feedbackSubheading } = info;
+    const { title, caption, disclaimer, image, feedbackLabel, feedbackSubheading, extraSettings } = info;
     const value = SettingsStore.getValue(featureId);
 
     let feedbackButton;
@@ -88,7 +89,7 @@ const BetaCard = ({ title: titleOverride, featureId }: IProps) => {
                 <BetaPill />
             </h3>
             <span className="mx_BetaCard_caption">{ _t(caption) }</span>
-            <div>
+            <div className="mx_BetaCard_buttons">
                 { feedbackButton }
                 <AccessibleButton
                     onClick={() => SettingsStore.setValue(featureId, null, SettingLevel.DEVICE, !value)}
@@ -100,6 +101,12 @@ const BetaCard = ({ title: titleOverride, featureId }: IProps) => {
             { disclaimer && <div className="mx_BetaCard_disclaimer">
                 { disclaimer(value) }
             </div> }
+            { extraSettings && <details className="mx_BetaCard_relatedSettings">
+                <summary>{ _t("Experimental options") }</summary>
+                { extraSettings.map(key => (
+                    <SettingsFlag key={key} name={key} level={SettingLevel.DEVICE} />
+                )) }
+            </details> }
         </div>
         <img src={image} alt="" />
     </div>;

src/components/views/dialogs/BetaFeedbackDialog.tsx

@@ -44,7 +44,12 @@ const BetaFeedbackDialog: React.FC<IProps> = ({featureId, onFinished}) => {
     const sendFeedback = async (ok: boolean) => {
         if (!ok) return onFinished(false);
 
-        submitFeedback(SdkConfig.get().bug_report_endpoint_url, info.feedbackLabel, comment, canContact);
+        const extraData = SettingsStore.getBetaInfo(featureId)?.extraSettings.reduce((o, k) => {
+            o[k] = SettingsStore.getValue(k);
+            return o;
+        }, {});
+
+        submitFeedback(SdkConfig.get().bug_report_endpoint_url, info.feedbackLabel, comment, canContact, extraData);
         onFinished(true);
 
         Modal.createTrackedDialog("Beta Dialog Sent", featureId, InfoDialog, {

src/components/views/spaces/SpacePanel.tsx

@@ -26,6 +26,7 @@ import {SpaceItem} from "./SpaceTreeLevel";
 import AccessibleTooltipButton from "../elements/AccessibleTooltipButton";
 import {useEventEmitter} from "../../../hooks/useEventEmitter";
 import SpaceStore, {
+    HOME_SPACE,
     UPDATE_INVITED_SPACES,
     UPDATE_SELECTED_SPACE,
     UPDATE_TOP_LEVEL_SPACES,
@@ -40,6 +41,7 @@ import {
 import {Key} from "../../../Keyboard";
 import {RoomNotificationStateStore} from "../../../stores/notifications/RoomNotificationStateStore";
 import {NotificationState} from "../../../stores/notifications/NotificationState";
+import SettingsStore from "../../../settings/SettingsStore";
 
 interface IButtonProps {
     space?: Room;
@@ -205,6 +207,10 @@ const SpacePanel = () => {
 
     const activeSpaces = activeSpace ? [activeSpace] : [];
     const expandCollapseButtonTitle = isPanelCollapsed ? _t("Expand space panel") : _t("Collapse space panel");
+
+    const homeNotificationState = SettingsStore.getValue("feature_spaces.all_rooms")
+        ? RoomNotificationStateStore.instance.globalState : SpaceStore.instance.getNotificationState(HOME_SPACE);
+
     // TODO drag and drop for re-arranging order
     return <RovingTabIndexProvider handleHomeEnd={true} onKeyDown={onKeyDown}>
         {({onKeyDownHandler}) => (
@@ -218,8 +224,8 @@ const SpacePanel = () => {
                             className="mx_SpaceButton_home"
                             onClick={() => SpaceStore.instance.setActiveSpace(null)}
                             selected={!activeSpace}
-                            tooltip={_t("All rooms")}
+                            tooltip={SettingsStore.getValue("feature_spaces.all_rooms") ? _t("All rooms") : _t("Home")}
-                            notificationState={RoomNotificationStateStore.instance.globalState}
+                            notificationState={homeNotificationState}
                             isNarrow={isPanelCollapsed}
                         />
                         { invites.map(s => <SpaceItem

src/i18n/strings/en_EN.json

@@ -793,6 +793,9 @@
     "You can leave the beta any time from settings or tapping on a beta badge, like the one above.": "You can leave the beta any time from settings or tapping on a beta badge, like the one above.",
     "Beta available for web, desktop and Android. Some features may be unavailable on your homeserver.": "Beta available for web, desktop and Android. Some features may be unavailable on your homeserver.",
     "Your feedback will help make spaces better. The more detail you can go into, the better.": "Your feedback will help make spaces better. The more detail you can go into, the better.",
+    "Use an all rooms space instead of a home space.": "Use an all rooms space instead of a home space.",
+    "Show DMs for joined/invited members in the space.": "Show DMs for joined/invited members in the space.",
+    "Show notification badges for DMs in spaces.": "Show notification badges for DMs in spaces.",
     "Show options to enable 'Do not disturb' mode": "Show options to enable 'Do not disturb' mode",
     "Send and receive voice messages": "Send and receive voice messages",
     "Render LaTeX maths in messages": "Render LaTeX maths in messages",
@@ -1021,6 +1024,7 @@
     "Expand space panel": "Expand space panel",
     "Collapse space panel": "Collapse space panel",
     "All rooms": "All rooms",
+    "Home": "Home",
     "Click to copy": "Click to copy",
     "Copied!": "Copied!",
     "Failed to copy": "Failed to copy",
@@ -2027,7 +2031,6 @@
     "Continue with %(provider)s": "Continue with %(provider)s",
     "Sign in with single sign-on": "Sign in with single sign-on",
     "And %(count)s more...|other": "And %(count)s more...",
-    "Home": "Home",
     "Enter a server name": "Enter a server name",
     "Looks good": "Looks good",
     "You are not allowed to view this server's rooms list": "You are not allowed to view this server's rooms list",
@@ -2507,6 +2510,7 @@
     "Beta": "Beta",
     "Leave the beta": "Leave the beta",
     "Join the beta": "Join the beta",
+    "Experimental options": "Experimental options",
     "Avatar": "Avatar",
     "This room is public": "This room is public",
     "Away": "Away",

src/rageshake/submit-rageshake.ts

@@ -263,7 +263,13 @@ function uint8ToString(buf: Buffer) {
     return out;
 }
 
-export async function submitFeedback(endpoint: string, label: string, comment: string, canContact = false) {
+export async function submitFeedback(
+    endpoint: string,
+    label: string,
+    comment: string,
+    canContact = false,
+    extraData: Record<string, string> = {},
+) {
     let version = "UNKNOWN";
     try {
         version = await PlatformPeg.get().getAppVersion();
@@ -279,6 +285,10 @@ export async function submitFeedback(endpoint: string, label: string, comment: s
     body.append("platform", PlatformPeg.get().getHumanReadableName());
     body.append("user_id", MatrixClientPeg.get()?.getUserId());
 
+    for (const k in extraData) {
+        body.append(k, extraData[k]);
+    }
+
     await _submitReport(SdkConfig.get().bug_report_endpoint_url, body, () => {});
 }
 

src/settings/Settings.tsx

@@ -1,6 +1,6 @@
 /*
 Copyright 2017 Travis Ralston
-Copyright 2018, 2019, 2020 The Matrix.org Foundation C.I.C.
+Copyright 2018 - 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.
@@ -127,6 +127,7 @@ export interface ISetting {
         image: string; // require(...)
         feedbackSubheading?: string;
         feedbackLabel?: string;
+        extraSettings?: string[];
     };
 }
 
@@ -167,8 +168,31 @@ export const SETTINGS: {[setting: string]: ISetting} = {
             feedbackSubheading: _td("Your feedback will help make spaces better. " +
                 "The more detail you can go into, the better."),
             feedbackLabel: "spaces-feedback",
+            extraSettings: [
+                "feature_spaces.all_rooms",
+                "feature_spaces.space_member_dms",
+                "feature_spaces.space_dm_badges",
+            ],
         },
     },
+    "feature_spaces.all_rooms": {
+        displayName: _td("Use an all rooms space instead of a home space."),
+        supportedLevels: LEVELS_FEATURE,
+        default: true,
+        controller: new ReloadOnChangeController(),
+    },
+    "feature_spaces.space_member_dms": {
+        displayName: _td("Show DMs for joined/invited members in the space."),
+        supportedLevels: LEVELS_FEATURE,
+        default: true,
+        controller: new ReloadOnChangeController(),
+    },
+    "feature_spaces.space_dm_badges": {
+        displayName: _td("Show notification badges for DMs in spaces."),
+        supportedLevels: LEVELS_FEATURE,
+        default: false,
+        controller: new ReloadOnChangeController(),
+    },
     "feature_dnd": {
         isFeature: true,
         displayName: _td("Show options to enable 'Do not disturb' mode"),

src/stores/SpaceStore.tsx

@@ -14,36 +14,41 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import {ListIteratee, Many, sortBy, throttle} from "lodash";
+import { ListIteratee, Many, sortBy, throttle } from "lodash";
-import {EventType, RoomType} from "matrix-js-sdk/src/@types/event";
+import { EventType, RoomType } from "matrix-js-sdk/src/@types/event";
-import {Room} from "matrix-js-sdk/src/models/room";
+import { Room } from "matrix-js-sdk/src/models/room";
-import {MatrixEvent} from "matrix-js-sdk/src/models/event";
+import { MatrixEvent } from "matrix-js-sdk/src/models/event";
 
-import {AsyncStoreWithClient} from "./AsyncStoreWithClient";
+import { AsyncStoreWithClient } from "./AsyncStoreWithClient";
 import defaultDispatcher from "../dispatcher/dispatcher";
-import {ActionPayload} from "../dispatcher/payloads";
+import { ActionPayload } from "../dispatcher/payloads";
 import RoomListStore from "./room-list/RoomListStore";
 import SettingsStore from "../settings/SettingsStore";
 import DMRoomMap from "../utils/DMRoomMap";
-import {FetchRoomFn} from "./notifications/ListNotificationState";
+import { FetchRoomFn } from "./notifications/ListNotificationState";
-import {SpaceNotificationState} from "./notifications/SpaceNotificationState";
+import { SpaceNotificationState } from "./notifications/SpaceNotificationState";
-import {RoomNotificationStateStore} from "./notifications/RoomNotificationStateStore";
+import { RoomNotificationStateStore } from "./notifications/RoomNotificationStateStore";
-import {DefaultTagID} from "./room-list/models";
+import { DefaultTagID } from "./room-list/models";
-import {EnhancedMap, mapDiff} from "../utils/maps";
+import { EnhancedMap, mapDiff } from "../utils/maps";
-import {setHasDiff} from "../utils/sets";
+import { setHasDiff } from "../utils/sets";
-import {ISpaceSummaryEvent, ISpaceSummaryRoom} from "../components/structures/SpaceRoomDirectory";
+import { ISpaceSummaryEvent, ISpaceSummaryRoom } from "../components/structures/SpaceRoomDirectory";
 import RoomViewStore from "./RoomViewStore";
+import { arrayHasDiff } from "../utils/arrays";
+import { objectDiff } from "../utils/objects";
+
+type SpaceKey = string | symbol;
 
 interface IState {}
 
 const ACTIVE_SPACE_LS_KEY = "mx_active_space";
 
+export const HOME_SPACE = Symbol("home-space");
 export const SUGGESTED_ROOMS = Symbol("suggested-rooms");
 
 export const UPDATE_TOP_LEVEL_SPACES = Symbol("top-level-spaces");
 export const UPDATE_INVITED_SPACES = Symbol("invited-spaces");
 export const UPDATE_SELECTED_SPACE = Symbol("selected-space");
-// Space Room ID will be emitted when a Space's children change
+// Space Room ID/HOME_SPACE will be emitted when a Space's children change
 
 export interface ISuggestedRoom extends ISpaceSummaryRoom {
     viaServers: string[];
@@ -51,7 +56,8 @@ export interface ISuggestedRoom extends ISpaceSummaryRoom {
 
 const MAX_SUGGESTED_ROOMS = 20;
 
-const getSpaceContextKey = (space?: Room) => `mx_space_context_${space?.roomId || "ALL_ROOMS"}`;
+const homeSpaceKey = SettingsStore.getValue("feature_spaces.all_rooms") ? "ALL_ROOMS" : "HOME_SPACE";
+const getSpaceContextKey = (space?: Room) => `mx_space_context_${space?.roomId || homeSpaceKey}`;
 
 const partitionSpacesAndRooms = (arr: Room[]): [Room[], Room[]] => { // [spaces, rooms]
     return arr.reduce((result, room: Room) => {
@@ -85,13 +91,15 @@ export class SpaceStoreClass extends AsyncStoreWithClient<IState> {
 
     // The spaces representing the roots of the various tree-like hierarchies
     private rootSpaces: Room[] = [];
+    // The list of rooms not present in any currently joined spaces
+    private orphanedRooms = new Set<string>();
     // Map from room ID to set of spaces which list it as a child
     private parentMap = new EnhancedMap<string, Set<string>>();
-    // Map from spaceId to SpaceNotificationState instance representing that space
+    // Map from SpaceKey to SpaceNotificationState instance representing that space
-    private notificationStateMap = new Map<string, SpaceNotificationState>();
+    private notificationStateMap = new Map<SpaceKey, SpaceNotificationState>();
     // Map from space key to Set of room IDs that should be shown as part of that space's filter
-    private spaceFilteredRooms = new Map<string, Set<string>>();
+    private spaceFilteredRooms = new Map<SpaceKey, Set<string>>();
-    // The space currently selected in the Space Panel - if null then All Rooms is selected
+    // The space currently selected in the Space Panel - if null then Home is selected
     private _activeSpace?: Room = null;
     private _suggestedRooms: ISuggestedRoom[] = [];
     private _invitedSpaces = new Set<Room>();
@@ -251,7 +259,7 @@ export class SpaceStoreClass extends AsyncStoreWithClient<IState> {
     }
 
     public getSpaceFilteredRoomIds = (space: Room | null): Set<string> => {
-        if (!space) {
+        if (!space && SettingsStore.getValue("feature_spaces.all_rooms")) {
             return new Set(this.matrixClient.getVisibleRooms().map(r => r.roomId));
         }
         return this.spaceFilteredRooms.get(space.roomId) || new Set();
@@ -285,7 +293,7 @@ export class SpaceStoreClass extends AsyncStoreWithClient<IState> {
             });
         });
 
-        const [rootSpaces] = partitionSpacesAndRooms(Array.from(unseenChildren));
+        const [rootSpaces, orphanedRooms] = partitionSpacesAndRooms(Array.from(unseenChildren));
 
         // somewhat algorithm to handle full-cycles
         const detachedNodes = new Set<Room>(spaces);
@@ -326,6 +334,7 @@ export class SpaceStoreClass extends AsyncStoreWithClient<IState> {
         //     rootSpaces.push(space);
         // });
 
+        this.orphanedRooms = new Set(orphanedRooms);
         this.rootSpaces = rootSpaces;
         this.parentMap = backrefs;
 
@@ -342,10 +351,30 @@ export class SpaceStoreClass extends AsyncStoreWithClient<IState> {
         this.emit(UPDATE_INVITED_SPACES, this.invitedSpaces);
     }, 100, {trailing: true, leading: true});
 
-    onSpaceUpdate = () => {
+    private onSpaceUpdate = () => {
         this.rebuild();
     }
 
+    private showInHomeSpace = (room: Room) => {
+        if (SettingsStore.getValue("feature_spaces.all_rooms")) return true;
+        if (room.isSpaceRoom()) return false;
+        return !this.parentMap.get(room.roomId)?.size // put all orphaned rooms in the Home Space
+            || DMRoomMap.shared().getUserIdForRoomId(room.roomId) // put all DMs in the Home Space
+            || RoomListStore.instance.getTagsForRoom(room).includes(DefaultTagID.Favourite) // show all favourites
+    };
+
+    // Update a given room due to its tag changing (e.g DM-ness or Fav-ness)
+    // This can only change whether it shows up in the HOME_SPACE or not
+    private onRoomUpdate = (room: Room) => {
+        if (this.showInHomeSpace(room)) {
+            this.spaceFilteredRooms.get(HOME_SPACE)?.add(room.roomId);
+            this.emit(HOME_SPACE);
+        } else if (!this.orphanedRooms.has(room.roomId)) {
+            this.spaceFilteredRooms.get(HOME_SPACE)?.delete(room.roomId);
+            this.emit(HOME_SPACE);
+        }
+    };
+
     private onSpaceMembersChange = (ev: MatrixEvent) => {
         // skip this update if we do not have a DM with this user
         if (DMRoomMap.shared().getDMRoomsForUserId(ev.getStateKey()).length < 1) return;
@@ -359,6 +388,18 @@ export class SpaceStoreClass extends AsyncStoreWithClient<IState> {
         const oldFilteredRooms = this.spaceFilteredRooms;
         this.spaceFilteredRooms = new Map();
 
+        if (!SettingsStore.getValue("feature_spaces.all_rooms")) {
+            // put all room invites in the Home Space
+            const invites = visibleRooms.filter(r => !r.isSpaceRoom() && r.getMyMembership() === "invite");
+            this.spaceFilteredRooms.set(HOME_SPACE, new Set<string>(invites.map(room => room.roomId)));
+
+            visibleRooms.forEach(room => {
+                if (this.showInHomeSpace(room)) {
+                    this.spaceFilteredRooms.get(HOME_SPACE).add(room.roomId);
+                }
+            });
+        }
+
         this.rootSpaces.forEach(s => {
             // traverse each space tree in DFS to build up the supersets as you go up,
             // reusing results from like subtrees.
@@ -374,6 +415,7 @@ export class SpaceStoreClass extends AsyncStoreWithClient<IState> {
                 const roomIds = new Set(childRooms.map(r => r.roomId));
                 const space = this.matrixClient?.getRoom(spaceId);
 
+                if (SettingsStore.getValue("feature_spaces.space_member_dms")) {
                     // Add relevant DMs
                     space?.getMembers().forEach(member => {
                         if (member.membership !== "join" && member.membership !== "invite") return;
@@ -381,6 +423,7 @@ export class SpaceStoreClass extends AsyncStoreWithClient<IState> {
                             roomIds.add(roomId);
                         });
                     });
+                }
 
                 const newPath = new Set(parentPath).add(spaceId);
                 childSpaces.forEach(childSpace => {
@@ -406,6 +449,8 @@ export class SpaceStoreClass extends AsyncStoreWithClient<IState> {
             // Update NotificationStates
             this.getNotificationState(s)?.setRooms(visibleRooms.filter(room => {
                 if (roomIds.has(room.roomId)) {
+                    if (s !== HOME_SPACE && SettingsStore.getValue("feature_spaces.space_dm_badges")) return true;
+
                     return !DMRoomMap.shared().getUserIdForRoomId(room.roomId)
                         || RoomListStore.instance.getTagsForRoom(room).includes(DefaultTagID.Favourite);
                 }
@@ -489,6 +534,8 @@ export class SpaceStoreClass extends AsyncStoreWithClient<IState> {
                 // TODO confirm this after implementing parenting behaviour
                 if (room.isSpaceRoom()) {
                     this.onSpaceUpdate();
+                } else if (!SettingsStore.getValue("feature_spaces.all_rooms")) {
+                    this.onRoomUpdate(room);
                 }
                 this.emit(room.roomId);
                 break;
@@ -501,8 +548,38 @@ export class SpaceStoreClass extends AsyncStoreWithClient<IState> {
         }
     };
 
+    private onRoomAccountData = (ev: MatrixEvent, room: Room, lastEvent?: MatrixEvent) => {
+        if (ev.getType() === EventType.Tag && !room.isSpaceRoom()) {
+            // If the room was in favourites and now isn't or the opposite then update its position in the trees
+            const oldTags = lastEvent?.getContent()?.tags || {};
+            const newTags = ev.getContent()?.tags || {};
+            if (!!oldTags[DefaultTagID.Favourite] !== !!newTags[DefaultTagID.Favourite]) {
+                this.onRoomUpdate(room);
+            }
+        }
+    }
+
+    private onAccountData = (ev: MatrixEvent, lastEvent: MatrixEvent) => {
+        if (ev.getType() === EventType.Direct) {
+            const lastContent = lastEvent.getContent();
+            const content = ev.getContent();
+
+            const diff = objectDiff<Record<string, string[]>>(lastContent, content);
+            // filter out keys which changed by reference only by checking whether the sets differ
+            const changed = diff.changed.filter(k => arrayHasDiff(lastContent[k], content[k]));
+            // DM tag changes, refresh relevant rooms
+            new Set([...diff.added, ...diff.removed, ...changed]).forEach(roomId => {
+                const room = this.matrixClient?.getRoom(roomId);
+                if (room) {
+                    this.onRoomUpdate(room);
+                }
+            });
+        }
+    };
+
     protected async reset() {
         this.rootSpaces = [];
+        this.orphanedRooms = new Set();
         this.parentMap = new EnhancedMap();
         this.notificationStateMap = new Map();
         this.spaceFilteredRooms = new Map();
@@ -517,6 +594,10 @@ export class SpaceStoreClass extends AsyncStoreWithClient<IState> {
             this.matrixClient.removeListener("Room", this.onRoom);
             this.matrixClient.removeListener("Room.myMembership", this.onRoom);
             this.matrixClient.removeListener("RoomState.events", this.onRoomState);
+            if (!SettingsStore.getValue("feature_spaces.all_rooms")) {
+                this.matrixClient.removeListener("Room.accountData", this.onRoomAccountData);
+                this.matrixClient.removeListener("accountData", this.onAccountData);
+            }
         }
         await this.reset();
     }
@@ -526,6 +607,10 @@ export class SpaceStoreClass extends AsyncStoreWithClient<IState> {
         this.matrixClient.on("Room", this.onRoom);
         this.matrixClient.on("Room.myMembership", this.onRoom);
         this.matrixClient.on("RoomState.events", this.onRoomState);
+        if (!SettingsStore.getValue("feature_spaces.all_rooms")) {
+            this.matrixClient.on("Room.accountData", this.onRoomAccountData);
+            this.matrixClient.on("accountData", this.onAccountData);
+        }
 
         await this.onSpaceUpdate(); // trigger an initial update
 
@@ -550,7 +635,10 @@ export class SpaceStoreClass extends AsyncStoreWithClient<IState> {
                     // Don't context switch when navigating to the space room
                     // as it will cause you to end up in the wrong room
                     this.setActiveSpace(room, false);
-                } else if (this.activeSpace && !this.getSpaceFilteredRoomIds(this.activeSpace).has(roomId)) {
+                } else if (
+                    (!SettingsStore.getValue("feature_spaces.all_rooms") || this.activeSpace) &&
+                    !this.getSpaceFilteredRoomIds(this.activeSpace).has(roomId)
+                ) {
                     this.switchToRelatedSpace(roomId);
                 }
 
@@ -568,7 +656,7 @@ export class SpaceStoreClass extends AsyncStoreWithClient<IState> {
         }
     }
 
-    public getNotificationState(key: string): SpaceNotificationState {
+    public getNotificationState(key: SpaceKey): SpaceNotificationState {
         if (this.notificationStateMap.has(key)) {
             return this.notificationStateMap.get(key);
         }

src/stores/room-list/SpaceWatcher.ts

@@ -19,6 +19,7 @@ import { Room } from "matrix-js-sdk/src/models/room";
 import { RoomListStoreClass } from "./RoomListStore";
 import { SpaceFilterCondition } from "./filters/SpaceFilterCondition";
 import SpaceStore, { UPDATE_SELECTED_SPACE } from "../SpaceStore";
+import SettingsStore from "../../settings/SettingsStore";
 
 /**
  * Watches for changes in spaces to manage the filter on the provided RoomListStore
@@ -28,6 +29,10 @@ export class SpaceWatcher {
     private activeSpace: Room = SpaceStore.instance.activeSpace;
 
     constructor(private store: RoomListStoreClass) {
+        if (!SettingsStore.getValue("feature_spaces.all_rooms")) {
+            this.updateFilter();
+            store.addFilter(this.filter);
+        }
         SpaceStore.instance.on(UPDATE_SELECTED_SPACE, this.onSelectedSpaceUpdated);
     }
 
@@ -35,7 +40,7 @@ export class SpaceWatcher {
         this.activeSpace = activeSpace;
 
         if (this.filter) {
-            if (activeSpace) {
+            if (activeSpace || !SettingsStore.getValue("feature_spaces.all_rooms")) {
                 this.updateFilter();
             } else {
                 this.store.removeFilter(this.filter);
@@ -49,9 +54,11 @@ export class SpaceWatcher {
     };
 
     private updateFilter = () => {
+        if (this.activeSpace) {
             SpaceStore.instance.traverseSpace(this.activeSpace.roomId, roomId => {
                 this.store.matrixClient?.getRoom(roomId)?.loadMembersIfNeeded();
             });
+        }
         this.filter.updateSpace(this.activeSpace);
     };
 }

src/stores/room-list/filters/SpaceFilterCondition.ts

@@ -19,7 +19,7 @@ import { Room } from "matrix-js-sdk/src/models/room";
 
 import { FILTER_CHANGED, FilterKind, IFilterCondition } from "./IFilterCondition";
 import { IDestroyable } from "../../../utils/IDestroyable";
-import SpaceStore from "../../SpaceStore";
+import SpaceStore, { HOME_SPACE } from "../../SpaceStore";
 import { setHasDiff } from "../../../utils/sets";
 
 /**
@@ -55,12 +55,10 @@ export class SpaceFilterCondition extends EventEmitter implements IFilterConditi
         }
     };
 
-    private getSpaceEventKey = (space: Room) => space.roomId;
+    private getSpaceEventKey = (space: Room | null) => space ? space.roomId : HOME_SPACE;
 
     public updateSpace(space: Room) {
-        if (this.space) {
         SpaceStore.instance.off(this.getSpaceEventKey(this.space), this.onStoreUpdate);
-        }
         SpaceStore.instance.on(this.getSpaceEventKey(this.space = space), this.onStoreUpdate);
         this.onStoreUpdate(); // initial update from the change to the space
     }