* 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)).