- Fix perf-producer get OOM with high publish latency #20914
- Fix RawReader hasMessageAvailable returns true when no messages #21032
- Fix consumer can't consume resent chunked messages #21070
- Fix cannot retry chunk messages and send to DLQ #21048
- Fix logging problem in pulsar client #21094
- Avoid ack hole for chunk message #21101
- Fix repeat consume when using n-ack and batched messages #21116
- Fix same producer/consumer use more than one connection per broker #21144
- Merge lookup requests for the same topic #21232