[Full Changelog](https://github.com/matrix-org/matrix-js-sdk/compare/v8.4.1...v8.5.0-rc.1) * Add support for olm fallback keys [\#1467](https://github.com/matrix-org/matrix-js-sdk/pull/1467) * Fix editing local echoes not updating them in real time [\#1492](https://github.com/matrix-org/matrix-js-sdk/pull/1492) * Fix re-emit of Event.replaced to be on client and not room [\#1491](https://github.com/matrix-org/matrix-js-sdk/pull/1491) * Add space to log line [\#1496](https://github.com/matrix-org/matrix-js-sdk/pull/1496) * Revert "Convert call.js to Typescript & update WebRTC APIs" [\#1493](https://github.com/matrix-org/matrix-js-sdk/pull/1493) * Convert call.js to Typescript & update WebRTC APIs [\#1487](https://github.com/matrix-org/matrix-js-sdk/pull/1487) * Dehydrate and rehydrate devices [\#1436](https://github.com/matrix-org/matrix-js-sdk/pull/1436) * Keep local device after processing device list sync [\#1490](https://github.com/matrix-org/matrix-js-sdk/pull/1490) * Enforce logger module via lint rules [\#1489](https://github.com/matrix-org/matrix-js-sdk/pull/1489) * Extend method redactEvent with reason [\#1462](https://github.com/matrix-org/matrix-js-sdk/pull/1462) * Catch exception from call event handler [\#1484](https://github.com/matrix-org/matrix-js-sdk/pull/1484) * Ignore invalid candidates [\#1483](https://github.com/matrix-org/matrix-js-sdk/pull/1483) * Always push docs if they are generated [\#1478](https://github.com/matrix-org/matrix-js-sdk/pull/1478) * Only sign key backup with cross-signing keys when available [\#1481](https://github.com/matrix-org/matrix-js-sdk/pull/1481) * Upgrade dependencies [\#1479](https://github.com/matrix-org/matrix-js-sdk/pull/1479)