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Cache power levels, widgets, abbreviations, and banners with sliding sync #1118

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Merged
7w1 merged 1 commit into from
Jul 18, 2026
+10 −0
Merged

Cache power levels, widgets, abbreviations, and banners with sliding sync #1118

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5 changes: 5 additions & 0 deletions .changeset/cache-sliding-sync-room-metadata.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
default: patch
---

Cache room banners, abbreviations, power-level labels, and widgets for faster sliding sync warm starts.
5 changes: 5 additions & 0 deletions src/client/slidingSyncSidebarCache.ts
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
import type { MatrixClient, MSC3575RoomData, SlidingSync } from '$types/matrix-sdk';
import { EventType, MatrixEvent, SlidingSyncEvent } from '$types/matrix-sdk';
import { CustomAccountDataEvent } from '$types/matrix/accountData';
import { CustomStateEvent } from '$types/matrix/room';

const CACHE_VERSION = 1;
const CACHE_KEY_PREFIX = 'sable.slidingSyncSidebarCache.';
Expand Down Expand Up @@ -37,6 +38,10 @@ const CACHED_STATE_TYPES = new Set<string>([
EventType.RoomServerAcl,
EventType.SpaceChild,
EventType.SpaceParent,
CustomStateEvent.PowerLevelTags,
CustomStateEvent.RoomWidget,
CustomStateEvent.RoomAbbreviations,
CustomStateEvent.RoomBanner,
]);

const emptyCache = (): SidebarCacheData => ({
Expand Down
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