* Improve fallback key behaviour ([\#2037](https://github.com/matrix-org/matrix-js-sdk/pull/2037)). * Add new room event filter fields ([\#2051](https://github.com/matrix-org/matrix-js-sdk/pull/2051)). * Add method to fetch /account/whoami ([\#2046](https://github.com/matrix-org/matrix-js-sdk/pull/2046)). * Filter out falsey opts in /relations API hits ([\#2059](https://github.com/matrix-org/matrix-js-sdk/pull/2059)). Fixes vector-im/element-web#20137. * Fix paginateEventTimeline resolve to boolean ([\#2054](https://github.com/matrix-org/matrix-js-sdk/pull/2054)). * Fix incorrect MSC3089 typings and add null checks ([\#2049](https://github.com/matrix-org/matrix-js-sdk/pull/2049)).