* Return send event response from MSC3089Branch.createNewVersion() ([\#2186](https://github.com/matrix-org/matrix-js-sdk/pull/2186)). * Add functions to support refresh tokens ([\#2178](https://github.com/matrix-org/matrix-js-sdk/pull/2178)). * [Release] Fix bug with the /hierarchy API sending invalid requests ([\#2202](https://github.com/matrix-org/matrix-js-sdk/pull/2202)). * Fix bug where calls could break if rejected from somewhere else ([\#2189](https://github.com/matrix-org/matrix-js-sdk/pull/2189)). * Fix camera stuck on after call transfer ([\#2188](https://github.com/matrix-org/matrix-js-sdk/pull/2188)). * Fix synthetic read receipt handling ([\#2174](https://github.com/matrix-org/matrix-js-sdk/pull/2174)). Fixes vector-im/element-web#21016. * Revert "Sign backup with cross-signing key when we reset it." ([\#2175](https://github.com/matrix-org/matrix-js-sdk/pull/2175)). * Sign backup with cross-signing key when we reset it. ([\#2170](https://github.com/matrix-org/matrix-js-sdk/pull/2170)). * Fix error in uploadContent() when file is empty under Node.js ([\#2155](https://github.com/matrix-org/matrix-js-sdk/pull/2155)). * Check the backup info against the stored private key when determining trust. ([\#2167](https://github.com/matrix-org/matrix-js-sdk/pull/2167)). * Back up keys before logging out ([\#2158](https://github.com/matrix-org/matrix-js-sdk/pull/2158)). Fixes vector-im/element-web#13151.