* Support for call upgrades. `setLocalVideoMuted()` and `setMicrophoneMuted()` are now `async` and return the new mute state ([\#1827](https://github.com/matrix-org/matrix-js-sdk/pull/1827)). Contributed by [SimonBrandner](https://github.com/SimonBrandner). * Implement file versioning for tree spaces ([\#1952](https://github.com/matrix-org/matrix-js-sdk/pull/1952)). * Allow answering calls without audio/video ([\#1950](https://github.com/matrix-org/matrix-js-sdk/pull/1950)). Contributed by [SimonBrandner](https://github.com/SimonBrandner). * Add `bound` to `IThreepid` ([\#1941](https://github.com/matrix-org/matrix-js-sdk/pull/1941)). Contributed by [SimonBrandner](https://github.com/SimonBrandner). * Add `trusted_locally` to `TrustInfo` ([\#1942](https://github.com/matrix-org/matrix-js-sdk/pull/1942)). Contributed by [SimonBrandner](https://github.com/SimonBrandner). * Fix incorrect return value type in getJoinedRooms() ([\#1959](https://github.com/matrix-org/matrix-js-sdk/pull/1959)). Contributed by [psrpinto](https://github.com/psrpinto). * Make sure to set `callLengthInterval` only once ([\#1958](https://github.com/matrix-org/matrix-js-sdk/pull/1958)). Fixes vector-im/element-web#19221 and vector-im/element-web#19221. Contributed by [SimonBrandner](https://github.com/SimonBrandner). * Fix event partitioning from non threading ready clients ([\#1948](https://github.com/matrix-org/matrix-js-sdk/pull/1948)). * Ensure unencrypted fields get exposed by getEffectiveEvent() ([\#1938](https://github.com/matrix-org/matrix-js-sdk/pull/1938)). Fixes vector-im/element-web#19062 and vector-im/element-web#19062.