-`join` and `leave` methods moved from MembershipService to RoomService and SpaceService to split logic for rooms and spaces ([#5183](https://github.com/vector-im/element-android/issues/5183))
- Deprecates Matrix.initialize and Matrix.getInstance in favour of the client providing its own singleton instance via Matrix.createInstance ([#5185](https://github.com/vector-im/element-android/issues/5185))
- Adds support for MSC3283, additional homeserver capabilities ([#5207](https://github.com/vector-im/element-android/issues/5207))