Changelog (v6.4.49...v6.4.50)
- bug #67792 Don't reuse a serialized body after replacing the message (@dalerazimov)
- minor #67763 Treat encoded envelopes whose body or type isn't a string as decoding failures (@nicolas-grekas)
- minor #67739 Mark transport options as # (@nicolas-grekas)
- bug #67654 Wait for all batch handlers before acknowledging a message (@andreybolonin)
- bug #67655 Retry the messages whose batch was flushed during a failed dispatch (@nicolas-grekas)
- bug #67651 Let the worker flush the batches that contain a failed message (@nicolas-grekas)
- bug #67647 Don't hide handler failures when a batch handler acks the same message (@nicolas-grekas)
- bug #67643 Preserve handled stamps when a batch handler nacks (@dalerazimov)
[EOM] End of maintenance release for branch 6.4
[SECURITY] Security release