* Implement MSC3758: a push rule condition to match event properties exactly ([\#3179](https://github.com/matrix-org/matrix-js-sdk/pull/3179)).
* Enable group calls without video and audio track by configuration of MatrixClient ([\#3162](https://github.com/matrix-org/matrix-js-sdk/pull/3162)). Contributed by @EnricoSchw.
* Updates to protocol used for Sign in with QR code ([\#3155](https://github.com/matrix-org/matrix-js-sdk/pull/3155)). Contributed by @hughns.
* Implement MSC3873 to handle escaped dots in push rule keys ([\#3134](https://github.com/matrix-org/matrix-js-sdk/pull/3134)). Fixes undefined/matrix-js-sdk#1454.
* Fix spec compliance issue around encrypted `m.relates_to` ([\#3178](https://github.com/matrix-org/matrix-js-sdk/pull/3178)).
* Fix reactions in threads sometimes causing stuck notifications ([\#3146](https://github.com/matrix-org/matrix-js-sdk/pull/3146)). Fixes vector-im/element-web#24000. Contributed by @justjanne.

* Implement MSC3758: a push rule condition to match event properties exactly ([\#3179](https://github.com/matrix-org/matrix-js-sdk/pull/3179)).
* Enable group calls without video and audio track by configuration of MatrixClient ([\#3162](https://github.com/matrix-org/matrix-js-sdk/pull/3162)). Contributed by @EnricoSchw.
* Updates to protocol used for Sign in with QR code ([\#3155](https://github.com/matrix-org/matrix-js-sdk/pull/3155)). Contributed by @hughns.
* Implement MSC3873 to handle escaped dots in push rule keys ([\#3134](https://github.com/matrix-org/matrix-js-sdk/pull/3134)). Fixes undefined/matrix-js-sdk#1454.
* Fix spec compliance issue around encrypted `m.relates_to` ([\#3178](https://github.com/matrix-org/matrix-js-sdk/pull/3178)).
* Fix reactions in threads sometimes causing stuck notifications ([\#3146](https://github.com/matrix-org/matrix-js-sdk/pull/3146)). Fixes vector-im/element-web#24000. Contributed by @justjanne.

* Changes for matrix-js-sdk v24.0.0

* Allow via_servers property in findPredecessor (update to MSC3946) ([\#3240](https://github.com/matrix-org/matrix-js-sdk/pull/3240)). Contributed by @andybalaam.
* Fire `closed` event when IndexedDB closes unexpectedly ([\#3218](https://github.com/matrix-org/matrix-js-sdk/pull/3218)).
* Implement MSC3952: intentional mentions ([\#3092](https://github.com/matrix-org/matrix-js-sdk/pull/3092)). Fixes vector-im/element-web#24376.
* Send one time key count and unused fallback keys for rust-crypto ([\#3215](https://github.com/matrix-org/matrix-js-sdk/pull/3215)). Fixes vector-im/element-web#24795. Contributed by @florianduros.
* Improve `processBeaconEvents` hotpath ([\#3200](https://github.com/matrix-org/matrix-js-sdk/pull/3200)).
* Implement MSC3966: a push rule condition to check if an array contains a value ([\#3180](https://github.com/matrix-org/matrix-js-sdk/pull/3180)).
* indexddb-local-backend - return the current sync to database promise … ([\#3222](https://github.com/matrix-org/matrix-js-sdk/pull/3222)). Contributed by @texuf.
* Revert "Add the call object to Call events" ([\#3236](https://github.com/matrix-org/matrix-js-sdk/pull/3236)).
* Handle group call redaction ([\#3231](https://github.com/matrix-org/matrix-js-sdk/pull/3231)). Fixes vector-im/voip-internal#128.
* Stop doing O(n^2) work to find event's home (`eventShouldLiveIn`) ([\#3227](https://github.com/matrix-org/matrix-js-sdk/pull/3227)). Contributed by @jryans.
* Fix bug where video would not unmute if it started muted ([\#3213](https://github.com/matrix-org/matrix-js-sdk/pull/3213)). Fixes vector-im/element-call#925.
* Fixes to event encryption in the Rust Crypto implementation ([\#3202](https://github.com/matrix-org/matrix-js-sdk/pull/3202)).

* Allow via_servers property in findPredecessor (update to MSC3946) ([\#3240](https://github.com/matrix-org/matrix-js-sdk/pull/3240)). Contributed by @andybalaam.
* Fire `closed` event when IndexedDB closes unexpectedly ([\#3218](https://github.com/matrix-org/matrix-js-sdk/pull/3218)).
* Implement MSC3952: intentional mentions ([\#3092](https://github.com/matrix-org/matrix-js-sdk/pull/3092)). Fixes vector-im/element-web#24376.
* Send one time key count and unused fallback keys for rust-crypto ([\#3215](https://github.com/matrix-org/matrix-js-sdk/pull/3215)). Fixes vector-im/element-web#24795. Contributed by @florianduros.
* Improve `processBeaconEvents` hotpath ([\#3200](https://github.com/matrix-org/matrix-js-sdk/pull/3200)).
* Implement MSC3966: a push rule condition to check if an array contains a value ([\#3180](https://github.com/matrix-org/matrix-js-sdk/pull/3180)).
* indexddb-local-backend - return the current sync to database promise … ([\#3222](https://github.com/matrix-org/matrix-js-sdk/pull/3222)). Contributed by @texuf.
* Revert "Add the call object to Call events" ([\#3236](https://github.com/matrix-org/matrix-js-sdk/pull/3236)).
* Handle group call redaction ([\#3231](https://github.com/matrix-org/matrix-js-sdk/pull/3231)). Fixes vector-im/voip-internal#128.
* Stop doing O(n^2) work to find event's home (`eventShouldLiveIn`) ([\#3227](https://github.com/matrix-org/matrix-js-sdk/pull/3227)). Contributed by @jryans.
* Fix bug where video would not unmute if it started muted ([\#3213](https://github.com/matrix-org/matrix-js-sdk/pull/3213)). Fixes vector-im/element-call#925.
* Fixes to event encryption in the Rust Crypto implementation ([\#3202](https://github.com/matrix-org/matrix-js-sdk/pull/3202)).

* Change `Store.save()` to return a `Promise` ([\#3221](https://github.com/matrix-org/matrix-js-sdk/pull/3221)). Contributed by @texuf.
* Add typedoc-plugin-mdn-links ([\#3292](https://github.com/matrix-org/matrix-js-sdk/pull/3292)).
* Annotate events with executed push rule ([\#3284](https://github.com/matrix-org/matrix-js-sdk/pull/3284)). Contributed by @kerryarchibald.
* Element-R: pass device list change notifications into rust crypto-sdk ([\#3254](https://github.com/matrix-org/matrix-js-sdk/pull/3254)). Fixes vector-im/element-web#24795. Contributed by @florianduros.
* Support for MSC3882 revision 1 ([\#3228](https://github.com/matrix-org/matrix-js-sdk/pull/3228)). Contributed by @hughns.
* Fix screen sharing on Firefox 113 ([\#3282](https://github.com/matrix-org/matrix-js-sdk/pull/3282)). Contributed by @tulir.
* Retry processing potential poll events after decryption ([\#3246](https://github.com/matrix-org/matrix-js-sdk/pull/3246)). Fixes vector-im/element-web#24568.
* Element-R: handle events which arrive before their keys ([\#3230](https://github.com/matrix-org/matrix-js-sdk/pull/3230)). Fixes vector-im/element-web#24489.

* Change `Store.save()` to return a `Promise` ([\#3221](https://github.com/matrix-org/matrix-js-sdk/pull/3221)). Contributed by @texuf.
* Add typedoc-plugin-mdn-links ([\#3292](https://github.com/matrix-org/matrix-js-sdk/pull/3292)).
* Annotate events with executed push rule ([\#3284](https://github.com/matrix-org/matrix-js-sdk/pull/3284)). Contributed by @kerryarchibald.
* Element-R: pass device list change notifications into rust crypto-sdk ([\#3254](https://github.com/matrix-org/matrix-js-sdk/pull/3254)). Fixes vector-im/element-web#24795. Contributed by @florianduros.
* Support for MSC3882 revision 1 ([\#3228](https://github.com/matrix-org/matrix-js-sdk/pull/3228)). Contributed by @hughns.
* Fix screen sharing on Firefox 113 ([\#3282](https://github.com/matrix-org/matrix-js-sdk/pull/3282)). Contributed by @tulir.
* Retry processing potential poll events after decryption ([\#3246](https://github.com/matrix-org/matrix-js-sdk/pull/3246)). Fixes vector-im/element-web#24568.
* Element-R: handle events which arrive before their keys ([\#3230](https://github.com/matrix-org/matrix-js-sdk/pull/3230)). Fixes vector-im/element-web#24489.

* Deprecate MatrixClient::resolveRoomAlias ([\#3316](https://github.com/matrix-org/matrix-js-sdk/pull/3316)).
* add client method to remove pusher ([\#3324](https://github.com/matrix-org/matrix-js-sdk/pull/3324)). Contributed by @kerryarchibald.
* Implement MSC 3981 ([\#3248](https://github.com/matrix-org/matrix-js-sdk/pull/3248)). Fixes vector-im/element-web#25021. Contributed by @justjanne.
* Added `Room.getLastLiveEvent` and `Room.getLastThread`. Deprecated `Room.lastThread` in favour of `Room.getLastThread`. ([\#3321](https://github.com/matrix-org/matrix-js-sdk/pull/3321)).
* Element-R: wire up device lists ([\#3272](https://github.com/matrix-org/matrix-js-sdk/pull/3272)). Contributed by @florianduros.
* Node 20 support ([\#3302](https://github.com/matrix-org/matrix-js-sdk/pull/3302)).
* Fix racing between one-time-keys processing and sync ([\#3327](https://github.com/matrix-org/matrix-js-sdk/pull/3327)). Fixes vector-im/element-web#25214. Contributed by @florianduros.
* Fix lack of media when a user reconnects ([\#3318](https://github.com/matrix-org/matrix-js-sdk/pull/3318)).
* Fix TimelineWindow getEvents exploding if no neigbouring timeline ([\#3285](https://github.com/matrix-org/matrix-js-sdk/pull/3285)). Fixes vector-im/element-web#25104.

* Deprecate MatrixClient::resolveRoomAlias ([\#3316](https://github.com/matrix-org/matrix-js-sdk/pull/3316)).
* add client method to remove pusher ([\#3324](https://github.com/matrix-org/matrix-js-sdk/pull/3324)). Contributed by @kerryarchibald.
* Implement MSC 3981 ([\#3248](https://github.com/matrix-org/matrix-js-sdk/pull/3248)). Fixes vector-im/element-web#25021. Contributed by @justjanne.
* Added `Room.getLastLiveEvent` and `Room.getLastThread`. Deprecated `Room.lastThread` in favour of `Room.getLastThread`. ([\#3321](https://github.com/matrix-org/matrix-js-sdk/pull/3321)).
* Element-R: wire up device lists ([\#3272](https://github.com/matrix-org/matrix-js-sdk/pull/3272)). Contributed by @florianduros.
* Node 20 support ([\#3302](https://github.com/matrix-org/matrix-js-sdk/pull/3302)).
* Fix racing between one-time-keys processing and sync ([\#3327](https://github.com/matrix-org/matrix-js-sdk/pull/3327)). Fixes vector-im/element-web#25214. Contributed by @florianduros.
* Fix lack of media when a user reconnects ([\#3318](https://github.com/matrix-org/matrix-js-sdk/pull/3318)).
* Fix TimelineWindow getEvents exploding if no neigbouring timeline ([\#3285](https://github.com/matrix-org/matrix-js-sdk/pull/3285)). Fixes vector-im/element-web#25104.

* Rebuild to fix packaging glitch in 25.1.0. Fixes #3363

* Deprecate device methods in MatrixClient ([\#3357](https://github.com/matrix-org/matrix-js-sdk/pull/3357)).
* Total summary count ([\#3351](https://github.com/matrix-org/matrix-js-sdk/pull/3351)). Contributed by @toger5.
* Audio concealment ([\#3349](https://github.com/matrix-org/matrix-js-sdk/pull/3349)). Contributed by @toger5.
* Correctly accumulate sync summaries. ([\#3366](https://github.com/matrix-org/matrix-js-sdk/pull/3366)). Fixes vector-im/element-web#23345.
* Keep measuring a call feed's volume after a stream replacement ([\#3361](https://github.com/matrix-org/matrix-js-sdk/pull/3361)). Fixes vector-im/element-call#1051.
* Element-R: Avoid uploading a new fallback key at every `/sync` ([\#3338](https://github.com/matrix-org/matrix-js-sdk/pull/3338)). Fixes vector-im/element-web#25215.
* Accumulate receipts for the main thread and unthreaded separately ([\#3339](https://github.com/matrix-org/matrix-js-sdk/pull/3339)). Fixes vector-im/element-web#24629.

* Deprecate device methods in MatrixClient ([\#3357](https://github.com/matrix-org/matrix-js-sdk/pull/3357)).
* Total summary count ([\#3351](https://github.com/matrix-org/matrix-js-sdk/pull/3351)). Contributed by @toger5.
* Audio concealment ([\#3349](https://github.com/matrix-org/matrix-js-sdk/pull/3349)). Contributed by @toger5.
* Correctly accumulate sync summaries. ([\#3366](https://github.com/matrix-org/matrix-js-sdk/pull/3366)). Fixes vector-im/element-web#23345.
* Keep measuring a call feed's volume after a stream replacement ([\#3361](https://github.com/matrix-org/matrix-js-sdk/pull/3361)). Fixes vector-im/element-call#1051.
* Element-R: Avoid uploading a new fallback key at every `/sync` ([\#3338](https://github.com/matrix-org/matrix-js-sdk/pull/3338)). Fixes vector-im/element-web#25215.
* Accumulate receipts for the main thread and unthreaded separately ([\#3339](https://github.com/matrix-org/matrix-js-sdk/pull/3339)). Fixes vector-im/element-web#24629.

* Deprecate device methods in MatrixClient ([\#3357](https://github.com/matrix-org/matrix-js-sdk/pull/3357)).
* Total summary count ([\#3351](https://github.com/matrix-org/matrix-js-sdk/pull/3351)). Contributed by @toger5.
* Audio concealment ([\#3349](https://github.com/matrix-org/matrix-js-sdk/pull/3349)). Contributed by @toger5.
* Correctly accumulate sync summaries. ([\#3366](https://github.com/matrix-org/matrix-js-sdk/pull/3366)). Fixes vector-im/element-web#23345.
* Keep measuring a call feed's volume after a stream replacement ([\#3361](https://github.com/matrix-org/matrix-js-sdk/pull/3361)). Fixes vector-im/element-call#1051.
* Element-R: Avoid uploading a new fallback key at every `/sync` ([\#3338](https://github.com/matrix-org/matrix-js-sdk/pull/3338)). Fixes vector-im/element-web#25215.
* Accumulate receipts for the main thread and unthreaded separately ([\#3339](https://github.com/matrix-org/matrix-js-sdk/pull/3339)). Fixes vector-im/element-web#24629.

* Attempt a potential workaround for stuck notifs ([\#3384](https://github.com/matrix-org/matrix-js-sdk/pull/3384)). Fixes vector-im/element-web#25406. Contributed by @andybalaam.

* Ensure we do not add relations to the wrong timeline ([\#3427](https://github.com/matrix-org/matrix-js-sdk/pull/3427)). Fixes vector-im/element-web#25450 and vector-im/element-web#25494.
* Deprecate `QrCodeEvent`, `SasEvent` and `VerificationEvent` ([\#3386](https://github.com/matrix-org/matrix-js-sdk/pull/3386)).
* Move crypto classes into a separate namespace ([\#3385](https://github.com/matrix-org/matrix-js-sdk/pull/3385)).
* Mention deno support in the README ([\#3417](https://github.com/matrix-org/matrix-js-sdk/pull/3417)). Contributed by @sigmaSd.
* Mark room version 10 as safe ([\#3425](https://github.com/matrix-org/matrix-js-sdk/pull/3425)).
* Prioritise entirely supported flows for UIA ([\#3402](https://github.com/matrix-org/matrix-js-sdk/pull/3402)).
* Add methods to terminate idb worker ([\#3362](https://github.com/matrix-org/matrix-js-sdk/pull/3362)).
* Total summary count ([\#3351](https://github.com/matrix-org/matrix-js-sdk/pull/3351)). Contributed by @toger5.
* Audio concealment ([\#3349](https://github.com/matrix-org/matrix-js-sdk/pull/3349)). Contributed by @toger5.
* Correctly accumulate sync summaries. ([\#3366](https://github.com/matrix-org/matrix-js-sdk/pull/3366)). Fixes vector-im/element-web#23345.
* Keep measuring a call feed's volume after a stream replacement ([\#3361](https://github.com/matrix-org/matrix-js-sdk/pull/3361)). Fixes vector-im/element-call#1051.
* Element-R: Avoid uploading a new fallback key at every `/sync` ([\#3338](https://github.com/matrix-org/matrix-js-sdk/pull/3338)). Fixes vector-im/element-web#25215.
* Accumulate receipts for the main thread and unthreaded separately ([\#3339](https://github.com/matrix-org/matrix-js-sdk/pull/3339)). Fixes vector-im/element-web#24629.
* Remove spec non-compliant extended glob format ([\#3423](https://github.com/matrix-org/matrix-js-sdk/pull/3423)). Fixes vector-im/element-web#25474.
* Fix bug where original event was inserted into timeline instead of the edit event ([\#3398](https://github.com/matrix-org/matrix-js-sdk/pull/3398)). Contributed by @andybalaam.
* Only add a local receipt if it's after an existing receipt ([\#3399](https://github.com/matrix-org/matrix-js-sdk/pull/3399)). Contributed by @andybalaam.
* Attempt a potential workaround for stuck notifs ([\#3384](https://github.com/matrix-org/matrix-js-sdk/pull/3384)). Fixes vector-im/element-web#25406. Contributed by @andybalaam.
* Fix verification bug with `pendingEventOrdering: "chronological"` ([\#3382](https://github.com/matrix-org/matrix-js-sdk/pull/3382)).

* Ensure we do not add relations to the wrong timeline ([\#3427](https://github.com/matrix-org/matrix-js-sdk/pull/3427)). Fixes vector-im/element-web#25450 and vector-im/element-web#25494.
* Deprecate `QrCodeEvent`, `SasEvent` and `VerificationEvent` ([\#3386](https://github.com/matrix-org/matrix-js-sdk/pull/3386)).
* Move crypto classes into a separate namespace ([\#3385](https://github.com/matrix-org/matrix-js-sdk/pull/3385)).
* Mention deno support in the README ([\#3417](https://github.com/matrix-org/matrix-js-sdk/pull/3417)). Contributed by @sigmaSd.
* Mark room version 10 as safe ([\#3425](https://github.com/matrix-org/matrix-js-sdk/pull/3425)).
* Prioritise entirely supported flows for UIA ([\#3402](https://github.com/matrix-org/matrix-js-sdk/pull/3402)).
* Add methods to terminate idb worker ([\#3362](https://github.com/matrix-org/matrix-js-sdk/pull/3362)).
* Total summary count ([\#3351](https://github.com/matrix-org/matrix-js-sdk/pull/3351)). Contributed by @toger5.
* Audio concealment ([\#3349](https://github.com/matrix-org/matrix-js-sdk/pull/3349)). Contributed by @toger5.
* Correctly accumulate sync summaries. ([\#3366](https://github.com/matrix-org/matrix-js-sdk/pull/3366)). Fixes vector-im/element-web#23345.
* Keep measuring a call feed's volume after a stream replacement ([\#3361](https://github.com/matrix-org/matrix-js-sdk/pull/3361)). Fixes vector-im/element-call#1051.
* Element-R: Avoid uploading a new fallback key at every `/sync` ([\#3338](https://github.com/matrix-org/matrix-js-sdk/pull/3338)). Fixes vector-im/element-web#25215.
* Accumulate receipts for the main thread and unthreaded separately ([\#3339](https://github.com/matrix-org/matrix-js-sdk/pull/3339)). Fixes vector-im/element-web#24629.
* Remove spec non-compliant extended glob format ([\#3423](https://github.com/matrix-org/matrix-js-sdk/pull/3423)). Fixes vector-im/element-web#25474.
* Fix bug where original event was inserted into timeline instead of the edit event ([\#3398](https://github.com/matrix-org/matrix-js-sdk/pull/3398)). Contributed by @andybalaam.
* Only add a local receipt if it's after an existing receipt ([\#3399](https://github.com/matrix-org/matrix-js-sdk/pull/3399)). Contributed by @andybalaam.
* Attempt a potential workaround for stuck notifs ([\#3384](https://github.com/matrix-org/matrix-js-sdk/pull/3384)). Fixes vector-im/element-web#25406. Contributed by @andybalaam.
* Fix verification bug with `pendingEventOrdering: "chronological"` ([\#3382](https://github.com/matrix-org/matrix-js-sdk/pull/3382)).

* Fix: handle `baseUrl` with trailing slash in `fetch.getUrl` ([\#3455](https://github.com/matrix-org/matrix-js-sdk/pull/3455)). Fixes vector-im/element-web#25526. Contributed by @kerryarchibald.

* Introduce a new `Crypto.Verifier` interface, and deprecate direct access to `VerificationBase`, `SAS` and `ReciprocateQRCode` ([\#3414](https://github.com/matrix-org/matrix-js-sdk/pull/3414)).
* Add `rust-crypto#isCrossSigningReady` implementation ([\#3462](https://github.com/matrix-org/matrix-js-sdk/pull/3462)). Contributed by @florianduros.
* OIDC: Validate `m.authentication` configuration ([\#3419](https://github.com/matrix-org/matrix-js-sdk/pull/3419)). Contributed by @kerryarchibald.
* ElementR: Add `CryptoApi.getCrossSigningStatus` ([\#3452](https://github.com/matrix-org/matrix-js-sdk/pull/3452)). Contributed by @florianduros.
* Extend stats summary with call device and user count based on room state ([\#3424](https://github.com/matrix-org/matrix-js-sdk/pull/3424)). Contributed by @toger5.
* Update MSC3912 implementation to use `with_rel_type` instead of `with_relations` ([\#3420](https://github.com/matrix-org/matrix-js-sdk/pull/3420)).
* Export thread-related types from SDK ([\#3447](https://github.com/matrix-org/matrix-js-sdk/pull/3447)). Contributed by @stas-demydiuk.
* Use correct /v3 prefix for /refresh ([\#3016](https://github.com/matrix-org/matrix-js-sdk/pull/3016)). Contributed by @davidisaaclee.
* Fix thread list being ordered based on all updates ([\#3458](https://github.com/matrix-org/matrix-js-sdk/pull/3458)). Fixes vector-im/element-web#25522.
* Fix: handle `baseUrl` with trailing slash in `fetch.getUrl` ([\#3455](https://github.com/matrix-org/matrix-js-sdk/pull/3455)). Fixes vector-im/element-web#25526. Contributed by @kerryarchibald.
* use cli.canSupport to determine intentional mentions support ([\#3445](https://github.com/matrix-org/matrix-js-sdk/pull/3445)). Fixes vector-im/element-web#25497. Contributed by @kerryarchibald.
* Make sliding sync linearize processing of sync requests ([\#3442](https://github.com/matrix-org/matrix-js-sdk/pull/3442)).
* Fix edge cases around 2nd order relations and threads ([\#3437](https://github.com/matrix-org/matrix-js-sdk/pull/3437)).

* Introduce a new `Crypto.Verifier` interface, and deprecate direct access to `VerificationBase`, `SAS` and `ReciprocateQRCode` ([\#3414](https://github.com/matrix-org/matrix-js-sdk/pull/3414)).
* Add `rust-crypto#isCrossSigningReady` implementation ([\#3462](https://github.com/matrix-org/matrix-js-sdk/pull/3462)). Contributed by @florianduros.
* OIDC: Validate `m.authentication` configuration ([\#3419](https://github.com/matrix-org/matrix-js-sdk/pull/3419)). Contributed by @kerryarchibald.
* ElementR: Add `CryptoApi.getCrossSigningStatus` ([\#3452](https://github.com/matrix-org/matrix-js-sdk/pull/3452)). Contributed by @florianduros.
* Extend stats summary with call device and user count based on room state ([\#3424](https://github.com/matrix-org/matrix-js-sdk/pull/3424)). Contributed by @toger5.
* Update MSC3912 implementation to use `with_rel_type` instead of `with_relations` ([\#3420](https://github.com/matrix-org/matrix-js-sdk/pull/3420)).
* Export thread-related types from SDK ([\#3447](https://github.com/matrix-org/matrix-js-sdk/pull/3447)). Contributed by @stas-demydiuk.
* Use correct /v3 prefix for /refresh ([\#3016](https://github.com/matrix-org/matrix-js-sdk/pull/3016)). Contributed by @davidisaaclee.
* Fix thread list being ordered based on all updates ([\#3458](https://github.com/matrix-org/matrix-js-sdk/pull/3458)). Fixes vector-im/element-web#25522.
* Fix: handle `baseUrl` with trailing slash in `fetch.getUrl` ([\#3455](https://github.com/matrix-org/matrix-js-sdk/pull/3455)). Fixes vector-im/element-web#25526. Contributed by @kerryarchibald.
* use cli.canSupport to determine intentional mentions support ([\#3445](https://github.com/matrix-org/matrix-js-sdk/pull/3445)). Fixes vector-im/element-web#25497. Contributed by @kerryarchibald.
* Make sliding sync linearize processing of sync requests ([\#3442](https://github.com/matrix-org/matrix-js-sdk/pull/3442)).
* Fix edge cases around 2nd order relations and threads ([\#3437](https://github.com/matrix-org/matrix-js-sdk/pull/3437)).