* Make calls go back to 'connecting' state when media lost ([\#2880](https://github.com/matrix-org/matrix-js-sdk/pull/2880)).
* Add ability to send unthreaded receipt ([\#2878](https://github.com/matrix-org/matrix-js-sdk/pull/2878)).
* Add way to abort search requests ([\#2877](https://github.com/matrix-org/matrix-js-sdk/pull/2877)).
* sliding sync: add custom room subscriptions support ([\#2834](https://github.com/matrix-org/matrix-js-sdk/pull/2834)).
* webrtc: add advanced audio settings ([\#2434](https://github.com/matrix-org/matrix-js-sdk/pull/2434)). Contributed by @MrAnno.
* Add support for group calls using MSC3401 ([\#2553](https://github.com/matrix-org/matrix-js-sdk/pull/2553)).
* Make the js-sdk conform to tsc --strict ([\#2835](https://github.com/matrix-org/matrix-js-sdk/pull/2835)). Fixes #2112 #2116 and #2124.
* Let leave requests outlive the window ([\#2815](https://github.com/matrix-org/matrix-js-sdk/pull/2815)). Fixes vector-im/element-call#639.
* Add event and message capabilities to RoomWidgetClient ([\#2797](https://github.com/matrix-org/matrix-js-sdk/pull/2797)).
* Misc fixes for group call widgets ([\#2657](https://github.com/matrix-org/matrix-js-sdk/pull/2657)).
* Support nested Matrix clients via the widget API ([\#2473](https://github.com/matrix-org/matrix-js-sdk/pull/2473)).
* Set max average bitrate on PTT calls ([\#2499](https://github.com/matrix-org/matrix-js-sdk/pull/2499)). Fixes vector-im/element-call#440.
* Add config option for e2e group call signalling ([\#2492](https://github.com/matrix-org/matrix-js-sdk/pull/2492)).
* Enable DTX on audio tracks in calls ([\#2482](https://github.com/matrix-org/matrix-js-sdk/pull/2482)).
* Don't ignore call member events with a distant future expiration date ([\#2466](https://github.com/matrix-org/matrix-js-sdk/pull/2466)).
* Expire call member state events after 1 hour ([\#2446](https://github.com/matrix-org/matrix-js-sdk/pull/2446)).
* Emit unknown device errors for group call participants without e2e ([\#2447](https://github.com/matrix-org/matrix-js-sdk/pull/2447)).
* Mute disconnected peers in PTT mode ([\#2421](https://github.com/matrix-org/matrix-js-sdk/pull/2421)).
* Add support for sending encrypted to-device events with OLM ([\#2322](https://github.com/matrix-org/matrix-js-sdk/pull/2322)). Contributed by @robertlong.
* Support for PTT group call mode ([\#2338](https://github.com/matrix-org/matrix-js-sdk/pull/2338)).
* Fix registration add phone number not working ([\#2876](https://github.com/matrix-org/matrix-js-sdk/pull/2876)). Contributed by @bagvand.
* Use an underride rule for Element Call notifications ([\#2873](https://github.com/matrix-org/matrix-js-sdk/pull/2873)). Fixes vector-im/element-web#23691.
* Fixes unwanted highlight notifications with encrypted threads ([\#2862](https://github.com/matrix-org/matrix-js-sdk/pull/2862)).
* Extra insurance that we don't mix events in the wrong timelines - v2 ([\#2856](https://github.com/matrix-org/matrix-js-sdk/pull/2856)). Contributed by @MadLittleMods.
* Hide pending events in thread timelines ([\#2843](https://github.com/matrix-org/matrix-js-sdk/pull/2843)). Fixes vector-im/element-web#23684.
* Fix pagination token tracking for mixed room timelines ([\#2855](https://github.com/matrix-org/matrix-js-sdk/pull/2855)). Fixes vector-im/element-web#23695.
* Extra insurance that we don't mix events in the wrong timelines ([\#2848](https://github.com/matrix-org/matrix-js-sdk/pull/2848)). Contributed by @MadLittleMods.
* Do not freeze state in `initialiseState()` ([\#2846](https://github.com/matrix-org/matrix-js-sdk/pull/2846)).
* Don't remove our own member for a split second when entering a call ([\#2844](https://github.com/matrix-org/matrix-js-sdk/pull/2844)).
* Resolve races between `initLocalCallFeed` and `leave` ([\#2826](https://github.com/matrix-org/matrix-js-sdk/pull/2826)).
* Add throwOnFail to groupCall.setScreensharingEnabled ([\#2787](https://github.com/matrix-org/matrix-js-sdk/pull/2787)).
* Fix connectivity regressions ([\#2780](https://github.com/matrix-org/matrix-js-sdk/pull/2780)).
* Fix screenshare failing after several attempts ([\#2771](https://github.com/matrix-org/matrix-js-sdk/pull/2771)). Fixes vector-im/element-call#625.
* Don't block muting/unmuting on network requests ([\#2754](https://github.com/matrix-org/matrix-js-sdk/pull/2754)). Fixes vector-im/element-call#592.
* Fix ICE restarts ([\#2702](https://github.com/matrix-org/matrix-js-sdk/pull/2702)).
* Target widget actions at a specific room ([\#2670](https://github.com/matrix-org/matrix-js-sdk/pull/2670)).
* Add tests for ice candidate sending ([\#2674](https://github.com/matrix-org/matrix-js-sdk/pull/2674)).
* Prevent exception when muting ([\#2667](https://github.com/matrix-org/matrix-js-sdk/pull/2667)). Fixes vector-im/element-call#578.
* Fix race in creating calls ([\#2662](https://github.com/matrix-org/matrix-js-sdk/pull/2662)).
* Add client.waitUntilRoomReadyForGroupCalls() ([\#2641](https://github.com/matrix-org/matrix-js-sdk/pull/2641)).
* Wait for client to start syncing before making group calls ([\#2632](https://github.com/matrix-org/matrix-js-sdk/pull/2632)). Fixes #2589.
* Add GroupCallEventHandlerEvent.Room ([\#2631](https://github.com/matrix-org/matrix-js-sdk/pull/2631)).
* Add missing events from reemitter to GroupCall ([\#2527](https://github.com/matrix-org/matrix-js-sdk/pull/2527)). Contributed by @toger5.
* Prevent double mute status changed events ([\#2502](https://github.com/matrix-org/matrix-js-sdk/pull/2502)).
* Don't mute the remote side immediately in PTT calls ([\#2487](https://github.com/matrix-org/matrix-js-sdk/pull/2487)). Fixes vector-im/element-call#425.
* Fix some MatrixCall leaks and use a shared AudioContext ([\#2484](https://github.com/matrix-org/matrix-js-sdk/pull/2484)). Fixes vector-im/element-call#412.
* Don't block muting on determining whether the device exists ([\#2461](https://github.com/matrix-org/matrix-js-sdk/pull/2461)).
* Only clone streams on Safari ([\#2450](https://github.com/matrix-org/matrix-js-sdk/pull/2450)). Fixes vector-im/element-call#267.
* Set PTT mode on call correctly ([\#2445](https://github.com/matrix-org/matrix-js-sdk/pull/2445)). Fixes vector-im/element-call#382.
* Wait for mute event to send in PTT mode ([\#2401](https://github.com/matrix-org/matrix-js-sdk/pull/2401)).
* Handle other members having no e2e keys ([\#2383](https://github.com/matrix-org/matrix-js-sdk/pull/2383)). Fixes vector-im/element-call#338.
* Fix races when muting/unmuting ([\#2370](https://github.com/matrix-org/matrix-js-sdk/pull/2370)).

* Make calls go back to 'connecting' state when media lost ([\#2880](https://github.com/matrix-org/matrix-js-sdk/pull/2880)).
* Add ability to send unthreaded receipt ([\#2878](https://github.com/matrix-org/matrix-js-sdk/pull/2878)).
* Add way to abort search requests ([\#2877](https://github.com/matrix-org/matrix-js-sdk/pull/2877)).
* sliding sync: add custom room subscriptions support ([\#2834](https://github.com/matrix-org/matrix-js-sdk/pull/2834)).
* webrtc: add advanced audio settings ([\#2434](https://github.com/matrix-org/matrix-js-sdk/pull/2434)). Contributed by @MrAnno.
* Add support for group calls using MSC3401 ([\#2553](https://github.com/matrix-org/matrix-js-sdk/pull/2553)).
* Make the js-sdk conform to tsc --strict ([\#2835](https://github.com/matrix-org/matrix-js-sdk/pull/2835)). Fixes #2112 #2116 and #2124.
* Let leave requests outlive the window ([\#2815](https://github.com/matrix-org/matrix-js-sdk/pull/2815)). Fixes vector-im/element-call#639.
* Add event and message capabilities to RoomWidgetClient ([\#2797](https://github.com/matrix-org/matrix-js-sdk/pull/2797)).
* Misc fixes for group call widgets ([\#2657](https://github.com/matrix-org/matrix-js-sdk/pull/2657)).
* Support nested Matrix clients via the widget API ([\#2473](https://github.com/matrix-org/matrix-js-sdk/pull/2473)).
* Set max average bitrate on PTT calls ([\#2499](https://github.com/matrix-org/matrix-js-sdk/pull/2499)). Fixes vector-im/element-call#440.
* Add config option for e2e group call signalling ([\#2492](https://github.com/matrix-org/matrix-js-sdk/pull/2492)).
* Enable DTX on audio tracks in calls ([\#2482](https://github.com/matrix-org/matrix-js-sdk/pull/2482)).
* Don't ignore call member events with a distant future expiration date ([\#2466](https://github.com/matrix-org/matrix-js-sdk/pull/2466)).
* Expire call member state events after 1 hour ([\#2446](https://github.com/matrix-org/matrix-js-sdk/pull/2446)).
* Emit unknown device errors for group call participants without e2e ([\#2447](https://github.com/matrix-org/matrix-js-sdk/pull/2447)).
* Mute disconnected peers in PTT mode ([\#2421](https://github.com/matrix-org/matrix-js-sdk/pull/2421)).
* Add support for sending encrypted to-device events with OLM ([\#2322](https://github.com/matrix-org/matrix-js-sdk/pull/2322)). Contributed by @robertlong.
* Support for PTT group call mode ([\#2338](https://github.com/matrix-org/matrix-js-sdk/pull/2338)).
* Fix registration add phone number not working ([\#2876](https://github.com/matrix-org/matrix-js-sdk/pull/2876)). Contributed by @bagvand.
* Use an underride rule for Element Call notifications ([\#2873](https://github.com/matrix-org/matrix-js-sdk/pull/2873)). Fixes vector-im/element-web#23691.
* Fixes unwanted highlight notifications with encrypted threads ([\#2862](https://github.com/matrix-org/matrix-js-sdk/pull/2862)).
* Extra insurance that we don't mix events in the wrong timelines - v2 ([\#2856](https://github.com/matrix-org/matrix-js-sdk/pull/2856)). Contributed by @MadLittleMods.
* Hide pending events in thread timelines ([\#2843](https://github.com/matrix-org/matrix-js-sdk/pull/2843)). Fixes vector-im/element-web#23684.
* Fix pagination token tracking for mixed room timelines ([\#2855](https://github.com/matrix-org/matrix-js-sdk/pull/2855)). Fixes vector-im/element-web#23695.
* Extra insurance that we don't mix events in the wrong timelines ([\#2848](https://github.com/matrix-org/matrix-js-sdk/pull/2848)). Contributed by @MadLittleMods.
* Do not freeze state in `initialiseState()` ([\#2846](https://github.com/matrix-org/matrix-js-sdk/pull/2846)).
* Don't remove our own member for a split second when entering a call ([\#2844](https://github.com/matrix-org/matrix-js-sdk/pull/2844)).
* Resolve races between `initLocalCallFeed` and `leave` ([\#2826](https://github.com/matrix-org/matrix-js-sdk/pull/2826)).
* Add throwOnFail to groupCall.setScreensharingEnabled ([\#2787](https://github.com/matrix-org/matrix-js-sdk/pull/2787)).
* Fix connectivity regressions ([\#2780](https://github.com/matrix-org/matrix-js-sdk/pull/2780)).
* Fix screenshare failing after several attempts ([\#2771](https://github.com/matrix-org/matrix-js-sdk/pull/2771)). Fixes vector-im/element-call#625.
* Don't block muting/unmuting on network requests ([\#2754](https://github.com/matrix-org/matrix-js-sdk/pull/2754)). Fixes vector-im/element-call#592.
* Fix ICE restarts ([\#2702](https://github.com/matrix-org/matrix-js-sdk/pull/2702)).
* Target widget actions at a specific room ([\#2670](https://github.com/matrix-org/matrix-js-sdk/pull/2670)).
* Add tests for ice candidate sending ([\#2674](https://github.com/matrix-org/matrix-js-sdk/pull/2674)).
* Prevent exception when muting ([\#2667](https://github.com/matrix-org/matrix-js-sdk/pull/2667)). Fixes vector-im/element-call#578.
* Fix race in creating calls ([\#2662](https://github.com/matrix-org/matrix-js-sdk/pull/2662)).
* Add client.waitUntilRoomReadyForGroupCalls() ([\#2641](https://github.com/matrix-org/matrix-js-sdk/pull/2641)).
* Wait for client to start syncing before making group calls ([\#2632](https://github.com/matrix-org/matrix-js-sdk/pull/2632)). Fixes #2589.
* Add GroupCallEventHandlerEvent.Room ([\#2631](https://github.com/matrix-org/matrix-js-sdk/pull/2631)).
* Add missing events from reemitter to GroupCall ([\#2527](https://github.com/matrix-org/matrix-js-sdk/pull/2527)). Contributed by @toger5.
* Prevent double mute status changed events ([\#2502](https://github.com/matrix-org/matrix-js-sdk/pull/2502)).
* Don't mute the remote side immediately in PTT calls ([\#2487](https://github.com/matrix-org/matrix-js-sdk/pull/2487)). Fixes vector-im/element-call#425.
* Fix some MatrixCall leaks and use a shared AudioContext ([\#2484](https://github.com/matrix-org/matrix-js-sdk/pull/2484)). Fixes vector-im/element-call#412.
* Don't block muting on determining whether the device exists ([\#2461](https://github.com/matrix-org/matrix-js-sdk/pull/2461)).
* Only clone streams on Safari ([\#2450](https://github.com/matrix-org/matrix-js-sdk/pull/2450)). Fixes vector-im/element-call#267.
* Set PTT mode on call correctly ([\#2445](https://github.com/matrix-org/matrix-js-sdk/pull/2445)). Fixes vector-im/element-call#382.
* Wait for mute event to send in PTT mode ([\#2401](https://github.com/matrix-org/matrix-js-sdk/pull/2401)).
* Handle other members having no e2e keys ([\#2383](https://github.com/matrix-org/matrix-js-sdk/pull/2383)). Fixes vector-im/element-call#338.
* Fix races when muting/unmuting ([\#2370](https://github.com/matrix-org/matrix-js-sdk/pull/2370)).

* Enable users to join group calls from multiple devices ([\#2902](https://github.com/matrix-org/matrix-js-sdk/pull/2902)).
* Deprecate a function containing a typo ([\#2904](https://github.com/matrix-org/matrix-js-sdk/pull/2904)).
* sliding sync: add receipts extension ([\#2912](https://github.com/matrix-org/matrix-js-sdk/pull/2912)).
* Define a spec support policy for the js-sdk ([\#2882](https://github.com/matrix-org/matrix-js-sdk/pull/2882)).
* Further improvements to e2ee logging ([\#2900](https://github.com/matrix-org/matrix-js-sdk/pull/2900)).
* sliding sync: add support for typing extension ([\#2893](https://github.com/matrix-org/matrix-js-sdk/pull/2893)).
* Improve logging on Olm session errors ([\#2885](https://github.com/matrix-org/matrix-js-sdk/pull/2885)).
* Improve logging of e2ee messages ([\#2884](https://github.com/matrix-org/matrix-js-sdk/pull/2884)).
* Fix 3pid invite acceptance not working due to mxid being sent in body ([\#2907](https://github.com/matrix-org/matrix-js-sdk/pull/2907)). Fixes vector-im/element-web#23823.
* Don't hang up calls that haven't started yet ([\#2898](https://github.com/matrix-org/matrix-js-sdk/pull/2898)).
* Read receipt accumulation for threads ([\#2881](https://github.com/matrix-org/matrix-js-sdk/pull/2881)).

* Make GroupCall work better with widgets ([\#2935](https://github.com/matrix-org/matrix-js-sdk/pull/2935)).
* Fix highlight notifications increasing when total notification is zero ([\#2937](https://github.com/matrix-org/matrix-js-sdk/pull/2937)). Fixes vector-im/element-web#23885.
* Fix synthesizeReceipt ([\#2916](https://github.com/matrix-org/matrix-js-sdk/pull/2916)). Fixes vector-im/element-web#23827 vector-im/element-web#23754 and vector-im/element-web#23847.

* Enable users to join group calls from multiple devices ([\#2902](https://github.com/matrix-org/matrix-js-sdk/pull/2902)).
* Deprecate a function containing a typo ([\#2904](https://github.com/matrix-org/matrix-js-sdk/pull/2904)).
* sliding sync: add receipts extension ([\#2912](https://github.com/matrix-org/matrix-js-sdk/pull/2912)).
* Define a spec support policy for the js-sdk ([\#2882](https://github.com/matrix-org/matrix-js-sdk/pull/2882)).
* Further improvements to e2ee logging ([\#2900](https://github.com/matrix-org/matrix-js-sdk/pull/2900)).
* sliding sync: add support for typing extension ([\#2893](https://github.com/matrix-org/matrix-js-sdk/pull/2893)).
* Improve logging on Olm session errors ([\#2885](https://github.com/matrix-org/matrix-js-sdk/pull/2885)).
* Improve logging of e2ee messages ([\#2884](https://github.com/matrix-org/matrix-js-sdk/pull/2884)).
* Fix 3pid invite acceptance not working due to mxid being sent in body ([\#2907](https://github.com/matrix-org/matrix-js-sdk/pull/2907)). Fixes vector-im/element-web#23823.
* Don't hang up calls that haven't started yet ([\#2898](https://github.com/matrix-org/matrix-js-sdk/pull/2898)).
* Read receipt accumulation for threads ([\#2881](https://github.com/matrix-org/matrix-js-sdk/pull/2881)).
* Make GroupCall work better with widgets ([\#2935](https://github.com/matrix-org/matrix-js-sdk/pull/2935)).
* Fix highlight notifications increasing when total notification is zero ([\#2937](https://github.com/matrix-org/matrix-js-sdk/pull/2937)). Fixes vector-im/element-web#23885.
* Fix synthesizeReceipt ([\#2916](https://github.com/matrix-org/matrix-js-sdk/pull/2916)). Fixes vector-im/element-web#23827 vector-im/element-web#23754 and vector-im/element-web#23847.

* Process `m.room.encryption` events before emitting `RoomMember` events ([\#2914](https://github.com/matrix-org/matrix-js-sdk/pull/2914)). Fixes vector-im/element-web#23819.
* Support MSC3391: Account data deletion ([\#2967](https://github.com/matrix-org/matrix-js-sdk/pull/2967)).
* Add a message ID on each to-device message ([\#2938](https://github.com/matrix-org/matrix-js-sdk/pull/2938)).
* Enable multiple users' power levels to be set at once ([\#2892](https://github.com/matrix-org/matrix-js-sdk/pull/2892)). Contributed by @GoodGuyMarco.
* Include pending events in thread summary and count again ([\#2922](https://github.com/matrix-org/matrix-js-sdk/pull/2922)). Fixes vector-im/element-web#23642.
* Make GroupCall work better with widgets ([\#2935](https://github.com/matrix-org/matrix-js-sdk/pull/2935)).
* Add method to get outgoing room key requests for a given event ([\#2930](https://github.com/matrix-org/matrix-js-sdk/pull/2930)).
* Fix messages loaded during initial fetch ending up out of order ([\#2971](https://github.com/matrix-org/matrix-js-sdk/pull/2971)). Fixes vector-im/element-web#23972.
* Fix #23919: Root message for new thread loaded from network ([\#2965](https://github.com/matrix-org/matrix-js-sdk/pull/2965)). Fixes vector-im/element-web#23919.
* Fix #23916: Prevent edits of the last message in a thread getting lost ([\#2951](https://github.com/matrix-org/matrix-js-sdk/pull/2951)). Fixes vector-im/element-web#23916 and vector-im/element-web#23942.
* Fix infinite loop when restoring cached read receipts ([\#2963](https://github.com/matrix-org/matrix-js-sdk/pull/2963)). Fixes vector-im/element-web#23951.
* Don't swallow errors coming from the shareSession call ([\#2962](https://github.com/matrix-org/matrix-js-sdk/pull/2962)). Fixes vector-im/element-web#23792.
* Make sure that MegolmEncryption.setupPromise always resolves  ([\#2960](https://github.com/matrix-org/matrix-js-sdk/pull/2960)).
* Do not calculate highlight notifs for threads unknown to the room ([\#2957](https://github.com/matrix-org/matrix-js-sdk/pull/2957)).
* Cache read receipts for unknown threads ([\#2953](https://github.com/matrix-org/matrix-js-sdk/pull/2953)).
* bugfix: sliding sync initial room timelines shouldn't notify ([\#2933](https://github.com/matrix-org/matrix-js-sdk/pull/2933)).
* Redo key sharing after own device verification ([\#2921](https://github.com/matrix-org/matrix-js-sdk/pull/2921)). Fixes vector-im/element-web#23333.
* Move updated threads to the end of the thread list ([\#2923](https://github.com/matrix-org/matrix-js-sdk/pull/2923)). Fixes vector-im/element-web#23876.
* Fix highlight notifications increasing when total notification is zero ([\#2937](https://github.com/matrix-org/matrix-js-sdk/pull/2937)). Fixes vector-im/element-web#23885.
* Fix synthesizeReceipt ([\#2916](https://github.com/matrix-org/matrix-js-sdk/pull/2916)). Fixes vector-im/element-web#23827 vector-im/element-web#23754 and vector-im/element-web#23847.

* Process `m.room.encryption` events before emitting `RoomMember` events ([\#2914](https://github.com/matrix-org/matrix-js-sdk/pull/2914)). Fixes vector-im/element-web#23819.
* Don't expose `calls` on `GroupCall` ([\#2941](https://github.com/matrix-org/matrix-js-sdk/pull/2941)).
* Support MSC3391: Account data deletion ([\#2967](https://github.com/matrix-org/matrix-js-sdk/pull/2967)).
* Add a message ID on each to-device message ([\#2938](https://github.com/matrix-org/matrix-js-sdk/pull/2938)).
* Enable multiple users' power levels to be set at once ([\#2892](https://github.com/matrix-org/matrix-js-sdk/pull/2892)). Contributed by @GoodGuyMarco.
* Include pending events in thread summary and count again ([\#2922](https://github.com/matrix-org/matrix-js-sdk/pull/2922)). Fixes vector-im/element-web#23642.
* Make GroupCall work better with widgets ([\#2935](https://github.com/matrix-org/matrix-js-sdk/pull/2935)).
* Add method to get outgoing room key requests for a given event ([\#2930](https://github.com/matrix-org/matrix-js-sdk/pull/2930)).
* Fix messages loaded during initial fetch ending up out of order ([\#2971](https://github.com/matrix-org/matrix-js-sdk/pull/2971)). Fixes vector-im/element-web#23972.
* Fix #23919: Root message for new thread loaded from network ([\#2965](https://github.com/matrix-org/matrix-js-sdk/pull/2965)). Fixes vector-im/element-web#23919.
* Fix #23916: Prevent edits of the last message in a thread getting lost ([\#2951](https://github.com/matrix-org/matrix-js-sdk/pull/2951)). Fixes vector-im/element-web#23916 and vector-im/element-web#23942.
* Fix infinite loop when restoring cached read receipts ([\#2963](https://github.com/matrix-org/matrix-js-sdk/pull/2963)). Fixes vector-im/element-web#23951.
* Don't swallow errors coming from the shareSession call ([\#2962](https://github.com/matrix-org/matrix-js-sdk/pull/2962)). Fixes vector-im/element-web#23792.
* Make sure that MegolmEncryption.setupPromise always resolves  ([\#2960](https://github.com/matrix-org/matrix-js-sdk/pull/2960)).
* Do not calculate highlight notifs for threads unknown to the room ([\#2957](https://github.com/matrix-org/matrix-js-sdk/pull/2957)).
* Cache read receipts for unknown threads ([\#2953](https://github.com/matrix-org/matrix-js-sdk/pull/2953)).
* bugfix: sliding sync initial room timelines shouldn't notify ([\#2933](https://github.com/matrix-org/matrix-js-sdk/pull/2933)).
* Redo key sharing after own device verification ([\#2921](https://github.com/matrix-org/matrix-js-sdk/pull/2921)). Fixes vector-im/element-web#23333.
* Move updated threads to the end of the thread list ([\#2923](https://github.com/matrix-org/matrix-js-sdk/pull/2923)). Fixes vector-im/element-web#23876.
* Fix highlight notifications increasing when total notification is zero ([\#2937](https://github.com/matrix-org/matrix-js-sdk/pull/2937)). Fixes vector-im/element-web#23885.
* Fix synthesizeReceipt ([\#2916](https://github.com/matrix-org/matrix-js-sdk/pull/2916)). Fixes vector-im/element-web#23827 vector-im/element-web#23754 and vector-im/element-web#23847.

* Remove extensible events v1 field population on legacy events ([\#3040](https://github.com/matrix-org/matrix-js-sdk/pull/3040)).
* Improve hasUserReadEvent and getUserReadUpTo realibility with threads ([\#3031](https://github.com/matrix-org/matrix-js-sdk/pull/3031)). Fixes vector-im/element-web#24164.
* Remove video track when muting video ([\#3028](https://github.com/matrix-org/matrix-js-sdk/pull/3028)). Fixes vector-im/element-call#209.
* Make poll start event type available (PSG-962) ([\#3034](https://github.com/matrix-org/matrix-js-sdk/pull/3034)).
* Add alt event type matching in Relations model ([\#3018](https://github.com/matrix-org/matrix-js-sdk/pull/3018)).
* Remove usage of v1 Identity Server API ([\#3003](https://github.com/matrix-org/matrix-js-sdk/pull/3003)).
* Add `device_id` to `/account/whoami` types ([\#3005](https://github.com/matrix-org/matrix-js-sdk/pull/3005)).
* Implement MSC3912: Relation-based redactions ([\#2954](https://github.com/matrix-org/matrix-js-sdk/pull/2954)).
* Introduce a mechanism for using the rust-crypto-sdk ([\#2969](https://github.com/matrix-org/matrix-js-sdk/pull/2969)).
* Support MSC3391: Account data deletion ([\#2967](https://github.com/matrix-org/matrix-js-sdk/pull/2967)).
* Fix threaded cache receipt when event holds multiple receipts ([\#3026](https://github.com/matrix-org/matrix-js-sdk/pull/3026)).
* Fix false key requests after verifying new device ([\#3029](https://github.com/matrix-org/matrix-js-sdk/pull/3029)). Fixes vector-im/element-web#24167 and vector-im/element-web#23333.
* Avoid triggering decryption errors when decrypting redacted events ([\#3004](https://github.com/matrix-org/matrix-js-sdk/pull/3004)). Fixes vector-im/element-web#24084.
* bugfix: upload OTKs in sliding sync mode ([\#3008](https://github.com/matrix-org/matrix-js-sdk/pull/3008)).
* Apply edits discovered from sync after thread is initialised ([\#3002](https://github.com/matrix-org/matrix-js-sdk/pull/3002)). Fixes vector-im/element-web#23921.
* sliding sync: Fix issue where no unsubs are sent when switching rooms ([\#2991](https://github.com/matrix-org/matrix-js-sdk/pull/2991)).
* Threads are missing from the timeline ([\#2996](https://github.com/matrix-org/matrix-js-sdk/pull/2996)). Fixes vector-im/element-web#24036.
* Close all streams when a call ends ([\#2992](https://github.com/matrix-org/matrix-js-sdk/pull/2992)). Fixes vector-im/element-call#742.
* Resume to-device message queue after resumed sync ([\#2920](https://github.com/matrix-org/matrix-js-sdk/pull/2920)). Fixes matrix-org/element-web-rageshakes#17170.

* Fix browser entrypoint ([\#3051](https://github.com/matrix-org/matrix-js-sdk/pull/3051)). Fixes #3013.

* Fix failure to start in firefox private browser ([\#3058](https://github.com/matrix-org/matrix-js-sdk/pull/3058)). Fixes vector-im/element-web#24216.

* Correctly handle limited sync responses by resetting the thread timeline ([\#3056](https://github.com/matrix-org/matrix-js-sdk/pull/3056)). Fixes vector-im/element-web#23952.

* Remove extensible events v1 field population on legacy events ([\#3040](https://github.com/matrix-org/matrix-js-sdk/pull/3040)).
* Improve hasUserReadEvent and getUserReadUpTo realibility with threads ([\#3031](https://github.com/matrix-org/matrix-js-sdk/pull/3031)). Fixes vector-im/element-web#24164.
* Remove video track when muting video ([\#3028](https://github.com/matrix-org/matrix-js-sdk/pull/3028)). Fixes vector-im/element-call#209.
* Make poll start event type available (PSG-962) ([\#3034](https://github.com/matrix-org/matrix-js-sdk/pull/3034)).
* Add alt event type matching in Relations model ([\#3018](https://github.com/matrix-org/matrix-js-sdk/pull/3018)).
* Remove usage of v1 Identity Server API ([\#3003](https://github.com/matrix-org/matrix-js-sdk/pull/3003)).
* Add `device_id` to `/account/whoami` types ([\#3005](https://github.com/matrix-org/matrix-js-sdk/pull/3005)).
* Implement MSC3912: Relation-based redactions ([\#2954](https://github.com/matrix-org/matrix-js-sdk/pull/2954)).
* Introduce a mechanism for using the rust-crypto-sdk ([\#2969](https://github.com/matrix-org/matrix-js-sdk/pull/2969)).
* Support MSC3391: Account data deletion ([\#2967](https://github.com/matrix-org/matrix-js-sdk/pull/2967)).
* Fix threaded cache receipt when event holds multiple receipts ([\#3026](https://github.com/matrix-org/matrix-js-sdk/pull/3026)).
* Fix false key requests after verifying new device ([\#3029](https://github.com/matrix-org/matrix-js-sdk/pull/3029)). Fixes vector-im/element-web#24167 and vector-im/element-web#23333.
* Avoid triggering decryption errors when decrypting redacted events ([\#3004](https://github.com/matrix-org/matrix-js-sdk/pull/3004)). Fixes vector-im/element-web#24084.
* bugfix: upload OTKs in sliding sync mode ([\#3008](https://github.com/matrix-org/matrix-js-sdk/pull/3008)).
* Apply edits discovered from sync after thread is initialised ([\#3002](https://github.com/matrix-org/matrix-js-sdk/pull/3002)). Fixes vector-im/element-web#23921.
* Sliding sync: Fix issue where no unsubs are sent when switching rooms ([\#2991](https://github.com/matrix-org/matrix-js-sdk/pull/2991)).
* Threads are missing from the timeline ([\#2996](https://github.com/matrix-org/matrix-js-sdk/pull/2996)). Fixes vector-im/element-web#24036.
* Close all streams when a call ends ([\#2992](https://github.com/matrix-org/matrix-js-sdk/pull/2992)). Fixes vector-im/element-call#742.
* Resume to-device message queue after resumed sync ([\#2920](https://github.com/matrix-org/matrix-js-sdk/pull/2920)). Fixes matrix-org/element-web-rageshakes#17170.
* Fix browser entrypoint ([\#3051](https://github.com/matrix-org/matrix-js-sdk/pull/3051)). Fixes #3013.
* Fix failure to start in firefox private browser ([\#3058](https://github.com/matrix-org/matrix-js-sdk/pull/3058)). Fixes vector-im/element-web#24216.
* Correctly handle limited sync responses by resetting the thread timeline ([\#3056](https://github.com/matrix-org/matrix-js-sdk/pull/3056)). Fixes vector-im/element-web#23952.

* Fix backwards compability for environment not support Array.prototype.at ([\#3080](https://github.com/matrix-org/matrix-js-sdk/pull/3080)).

* Implement decryption via the rust sdk ([\#3074](https://github.com/matrix-org/matrix-js-sdk/pull/3074)).
* Handle edits which are bundled with an event, per MSC3925 ([\#3045](https://github.com/matrix-org/matrix-js-sdk/pull/3045)).
* Add null check for our own member event ([\#3082](https://github.com/matrix-org/matrix-js-sdk/pull/3082)).
* Handle group call getting initialised twice in quick succession ([\#3078](https://github.com/matrix-org/matrix-js-sdk/pull/3078)). Fixes vector-im/element-call#847.
* Correctly handle limited sync responses by resetting the thread timeline ([\#3056](https://github.com/matrix-org/matrix-js-sdk/pull/3056)). Fixes vector-im/element-web#23952. Contributed by @justjanne.
* Fix failure to start in firefox private browser ([\#3058](https://github.com/matrix-org/matrix-js-sdk/pull/3058)). Fixes vector-im/element-web#24216.
* Fix spurious "Decryption key withheld" messages ([\#3061](https://github.com/matrix-org/matrix-js-sdk/pull/3061)). Fixes vector-im/element-web#23803.
* Fix browser entrypoint ([\#3051](https://github.com/matrix-org/matrix-js-sdk/pull/3051)). Fixes #3013.

* Implement decryption via the rust sdk ([\#3074](https://github.com/matrix-org/matrix-js-sdk/pull/3074)).
* Handle edits which are bundled with an event, per MSC3925 ([\#3045](https://github.com/matrix-org/matrix-js-sdk/pull/3045)).
* Add null check for our own member event ([\#3082](https://github.com/matrix-org/matrix-js-sdk/pull/3082)).
* Handle group call getting initialised twice in quick succession ([\#3078](https://github.com/matrix-org/matrix-js-sdk/pull/3078)). Fixes vector-im/element-call#847.
* Correctly handle limited sync responses by resetting the thread timeline ([\#3056](https://github.com/matrix-org/matrix-js-sdk/pull/3056)). Fixes vector-im/element-web#23952. Contributed by @justjanne.
* Fix failure to start in firefox private browser ([\#3058](https://github.com/matrix-org/matrix-js-sdk/pull/3058)). Fixes vector-im/element-web#24216.
* Fix spurious "Decryption key withheld" messages ([\#3061](https://github.com/matrix-org/matrix-js-sdk/pull/3061)). Fixes vector-im/element-web#23803.
* Fix browser entrypoint ([\#3051](https://github.com/matrix-org/matrix-js-sdk/pull/3051)). Fixes #3013.

* Element-R: implement encryption of outgoing events ([\#3122](https://github.com/matrix-org/matrix-js-sdk/pull/3122)).
* Poll model - page /relations results ([\#3073](https://github.com/matrix-org/matrix-js-sdk/pull/3073)). Contributed by @kerryarchibald.
* Poll model - validate end events ([\#3072](https://github.com/matrix-org/matrix-js-sdk/pull/3072)). Contributed by @kerryarchibald.
* Handle optional last_known_event_id property in m.predecessor ([\#3119](https://github.com/matrix-org/matrix-js-sdk/pull/3119)). Contributed by @andybalaam.
* Add support for stable identifier for fixed MAC in SAS verification ([\#3101](https://github.com/matrix-org/matrix-js-sdk/pull/3101)).
* Provide eventId as well as roomId from Room.findPredecessor ([\#3095](https://github.com/matrix-org/matrix-js-sdk/pull/3095)). Contributed by @andybalaam.
* MSC3946 Dynamic room predecessors ([\#3042](https://github.com/matrix-org/matrix-js-sdk/pull/3042)). Contributed by @andybalaam.
* Poll model ([\#3036](https://github.com/matrix-org/matrix-js-sdk/pull/3036)). Contributed by @kerryarchibald.
* Remove video tracks on video mute without renegotiating ([\#3091](https://github.com/matrix-org/matrix-js-sdk/pull/3091)).
* Introduces a backwards-compatible API change. `MegolmEncrypter#prepareToEncrypt`'s return type has changed from `void` to `() => void`. ([\#3035](https://github.com/matrix-org/matrix-js-sdk/pull/3035)). Contributed by @clarkf.
* Element-R: fix a bug which prevented encryption working after a reload ([\#3126](https://github.com/matrix-org/matrix-js-sdk/pull/3126)).
* Element-R: Fix invite processing ([\#3121](https://github.com/matrix-org/matrix-js-sdk/pull/3121)).
* Don't throw with no `opponentDeviceInfo` ([\#3107](https://github.com/matrix-org/matrix-js-sdk/pull/3107)).
* Remove flaky megolm test ([\#3098](https://github.com/matrix-org/matrix-js-sdk/pull/3098)). Contributed by @clarkf.
* Fix "verifyLinks" functionality of getRoomUpgradeHistory ([\#3089](https://github.com/matrix-org/matrix-js-sdk/pull/3089)). Contributed by @andybalaam.

* Element-R: implement encryption of outgoing events ([\#3122](https://github.com/matrix-org/matrix-js-sdk/pull/3122)).
* Poll model - page /relations results ([\#3073](https://github.com/matrix-org/matrix-js-sdk/pull/3073)). Contributed by @kerryarchibald.
* Poll model - validate end events ([\#3072](https://github.com/matrix-org/matrix-js-sdk/pull/3072)). Contributed by @kerryarchibald.
* Handle optional last_known_event_id property in m.predecessor ([\#3119](https://github.com/matrix-org/matrix-js-sdk/pull/3119)). Contributed by @andybalaam.
* Add support for stable identifier for fixed MAC in SAS verification ([\#3101](https://github.com/matrix-org/matrix-js-sdk/pull/3101)).
* Provide eventId as well as roomId from Room.findPredecessor ([\#3095](https://github.com/matrix-org/matrix-js-sdk/pull/3095)). Contributed by @andybalaam.
* MSC3946 Dynamic room predecessors ([\#3042](https://github.com/matrix-org/matrix-js-sdk/pull/3042)). Contributed by @andybalaam.
* Poll model ([\#3036](https://github.com/matrix-org/matrix-js-sdk/pull/3036)). Contributed by @kerryarchibald.
* Remove video tracks on video mute without renegotiating ([\#3091](https://github.com/matrix-org/matrix-js-sdk/pull/3091)).
* Introduces a backwards-compatible API change. `MegolmEncrypter#prepareToEncrypt`'s return type has changed from `void` to `() => void`. ([\#3035](https://github.com/matrix-org/matrix-js-sdk/pull/3035)). Contributed by @clarkf.
* Stop the ICE disconnected timer on call terminate ([\#3147](https://github.com/matrix-org/matrix-js-sdk/pull/3147)).
* Clear notifications when we can infer read status from receipts ([\#3139](https://github.com/matrix-org/matrix-js-sdk/pull/3139)). Fixes vector-im/element-web#23991.
* Messages sent out of order after one message fails ([\#3131](https://github.com/matrix-org/matrix-js-sdk/pull/3131)). Fixes vector-im/element-web#22885 and vector-im/element-web#18942. Contributed by @justjanne.
* Element-R: fix a bug which prevented encryption working after a reload ([\#3126](https://github.com/matrix-org/matrix-js-sdk/pull/3126)).
* Element-R: Fix invite processing ([\#3121](https://github.com/matrix-org/matrix-js-sdk/pull/3121)).
* Don't throw with no `opponentDeviceInfo` ([\#3107](https://github.com/matrix-org/matrix-js-sdk/pull/3107)).
* Remove flaky megolm test ([\#3098](https://github.com/matrix-org/matrix-js-sdk/pull/3098)). Contributed by @clarkf.
* Fix "verifyLinks" functionality of getRoomUpgradeHistory ([\#3089](https://github.com/matrix-org/matrix-js-sdk/pull/3089)). Contributed by @andybalaam.

* Polls: expose end event id on poll model ([\#3160](https://github.com/matrix-org/matrix-js-sdk/pull/3160)). Contributed by @kerryarchibald.
* Polls: count undecryptable poll relations ([\#3163](https://github.com/matrix-org/matrix-js-sdk/pull/3163)). Contributed by @kerryarchibald.
* Better type guard parseTopicContent ([\#3165](https://github.com/matrix-org/matrix-js-sdk/pull/3165)). Fixes matrix-org/element-web-rageshakes#20177 and matrix-org/element-web-rageshakes#20178.
* Fix a bug where events in encrypted rooms would sometimes erroneously increment the total unread counter after being processed locally. ([\#3130](https://github.com/matrix-org/matrix-js-sdk/pull/3130)). Fixes vector-im/element-web#24448. Contributed by @Half-Shot.
* Stop the ICE disconnected timer on call terminate ([\#3147](https://github.com/matrix-org/matrix-js-sdk/pull/3147)).
* Clear notifications when we can infer read status from receipts ([\#3139](https://github.com/matrix-org/matrix-js-sdk/pull/3139)). Fixes vector-im/element-web#23991.
* Messages sent out of order after one message fails ([\#3131](https://github.com/matrix-org/matrix-js-sdk/pull/3131)). Fixes vector-im/element-web#22885 and vector-im/element-web#18942. Contributed by @justjanne.

* Add easy way to determine if the decryption failure is due to "DecryptionError: The sender has disabled encrypting to unverified devices." ([\#3167](https://github.com/matrix-org/matrix-js-sdk/pull/3167)). Contributed by @florianduros.

* Add easy way to determine if the decryption failure is due to "DecryptionError: The sender has disabled encrypting to unverified devices." ([\#3167](https://github.com/matrix-org/matrix-js-sdk/pull/3167)). Contributed by @florianduros.
* Polls: expose end event id on poll model ([\#3160](https://github.com/matrix-org/matrix-js-sdk/pull/3160)). Contributed by @kerryarchibald.
* Polls: count undecryptable poll relations ([\#3163](https://github.com/matrix-org/matrix-js-sdk/pull/3163)). Contributed by @kerryarchibald.
* 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.
* Better type guard parseTopicContent ([\#3165](https://github.com/matrix-org/matrix-js-sdk/pull/3165)). Fixes matrix-org/element-web-rageshakes#20177 and matrix-org/element-web-rageshakes#20178.
* Fix a bug where events in encrypted rooms would sometimes erroneously increment the total unread counter after being processed locally. ([\#3130](https://github.com/matrix-org/matrix-js-sdk/pull/3130)). Fixes vector-im/element-web#24448. Contributed by @Half-Shot.
* Stop the ICE disconnected timer on call terminate ([\#3147](https://github.com/matrix-org/matrix-js-sdk/pull/3147)).
* Clear notifications when we can infer read status from receipts ([\#3139](https://github.com/matrix-org/matrix-js-sdk/pull/3139)). Fixes vector-im/element-web#23991.
* Messages sent out of order after one message fails ([\#3131](https://github.com/matrix-org/matrix-js-sdk/pull/3131)). Fixes vector-im/element-web#22885 and vector-im/element-web#18942. Contributed by @justjanne.