[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)
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