- `RtxStream`: Don't check if RTP timestamp moved backwards ([PR #1668](https://github.com/versatica/mediasoup/pull/1668), credits to @Lynnworld). - Fix RTX packets containing non yet seen RTP packets being discarded ([PR #1653](https://github.com/versatica/mediasoup/pull/1653), credits to @penguinol, @mengbieting and @Lynnworld).