[Full Changelog](https://github.com/matrix-org/matrix-js-sdk/compare/v2.2.0...v2.3.0-rc.1) * Add support for IS v2 API with authentication [\#1002](https://github.com/matrix-org/matrix-js-sdk/pull/1002) * Tombstone bugfixes [\#1001](https://github.com/matrix-org/matrix-js-sdk/pull/1001) * Support for MSC2140 (terms of service for IS/IM) [\#988](https://github.com/matrix-org/matrix-js-sdk/pull/988) * Add a request method to /devices [\#994](https://github.com/matrix-org/matrix-js-sdk/pull/994)