[Full Changelog](https://github.com/matrix-org/matrix-react-sdk/compare/v1.4.0-rc.2...v1.4.0-rc.3) * Check content and content.users in power levels [\#3223](https://github.com/matrix-org/matrix-react-sdk/pull/3223) * Take adjacent invisible events into account for read receipt, even if any but first should be ignored. [\#3222](https://github.com/matrix-org/matrix-react-sdk/pull/3222)