[Full Changelog](https://github.com/matrix-org/matrix-js-sdk/compare/v5.1.1-rc.1...v5.1.1) * Fix: ensureOlmSessionsForDevices parameter format [\#1265](https://github.com/matrix-org/matrix-js-sdk/pull/1265) * Fix: prevent error being thrown during sync in some cases [\#1262](https://github.com/matrix-org/matrix-js-sdk/pull/1262) * Force `is_verified` for key backups to bool and fix computation [\#1260](https://github.com/matrix-org/matrix-js-sdk/pull/1260)