Hello Kafka users, developers and client-developers,

This is the first release candidate of Apache Kafka 3.2.1.

This is a bugfix release with several fixes since the release of 3.2.0. A
few of the major issues include:

* KAFKA-14062 OAuth client token refresh fails with SASL extensions
* KAFKA-14079 Memory leak in connectors using errors.tolerance=all
* KAFKA-14024 Cooperative rebalance regression causing clients to get stuck


Release notes for the 3.2.1 release:
https://home.apache.org/~davidarthur/kafka-3.2.1-rc3/RELEASE_NOTES.html



**** Please download, test and vote by Wednesday July 27, 2022 at 17:00 PT.
****
Kafka's KEYS file containing PGP keys we use to sign the release:
https://kafka.apache.org/KEYS

Release artifacts to be voted upon (source and binary):
https://home.apache.org/~davidarthur/kafka-3.2.1-rc3/

Maven artifacts to be voted upon:
https://repository.apache.org/content/groups/staging/org/apache/kafka/

Javadoc: https://home.apache.org/~davidarthur/kafka-3.2.1-rc3/javadoc/

Tag to be voted upon (off 3.2 branch) is the 3.2.1 tag:
https://github.com/apache/kafka/releases/tag/3.2.1-rc3

Documentation: https://kafka.apache.org/32/documentation.html

Protocol: https://kafka.apache.org/32/protocol.html


The past few builds have had flaky test failures. I will update this thread
with passing build links soon.

Unit/Integration test job:
https://ci-builds.apache.org/job/Kafka/job/kafka/job/3.2/
System test job: https://jenkins.confluent.io/job/system-test-kafka/job/3.2/


Thanks!
David Arthur

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