[Full Changelog](https://github.com/matrix-org/matrix-js-sdk/compare/v2.4.1...v2.4.2-rc.1) * Log state of Olm sessions [\#1047](https://github.com/matrix-org/matrix-js-sdk/pull/1047) * Add method to get access to all timelines [\#1048](https://github.com/matrix-org/matrix-js-sdk/pull/1048)