Hello Kafka users, developers, and client-developers, This is the first candidate for the release of Apache Kafka 3.9.1.
This is a bug-fix release with several fixes, and most importantly, it adds Java 23 support for 3.9 Release notes for the 3.9.1 release: https://dist.apache.org/repos/dist/dev/kafka/3.9.1-rc0/RELEASE_NOTES.html Please download, test, and vote by *Wednesday, April 23, 9:00 AM 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://dist.apache.org/repos/dist/dev/kafka/3.9.1-rc0/ * Docker release artifacts to be voted upon: apache/kafka:3.9.1-rc0 https://hub.docker.com/layers/apache/kafka/3.9.1-rc0/images/sha256-3f7d1298c0ff2cdfac2a65e36c2515ca9288d89c64e071300008bc61843b648e apache/kafka-native:3.9.1-rc0 https://hub.docker.com/layers/apache/kafka-native/3.9.1-rc0/images/sha256-2a7f7f178d862b7f0b41b007732edb1c5882f2f6062c47dda48f90a10e1bd6fa * Maven artifacts to be voted upon: https://repository.apache.org/content/groups/staging/org/apache/kafka/ * Javadoc: https://dist.apache.org/repos/dist/dev/kafka/3.9.1-rc0/javadoc/ * Tag to be voted upon (off 3.9 branch) is the 3.9.1 tag: https://github.com/apache/kafka/releases/tag/3.9.1-rc0 * Documentation: https://kafka.apache.org/39/documentation.html * Protocol: https://kafka.apache.org/39/protocol.html *CI builds for the 3.9 branch: Unit/integration tests (There are some flaky tests): https://ci-builds.apache.org/job/Kafka/job/kafka/job/3.9/191/ System tests: In progress. Will provide it once it is finished. * Successful Docker Image Github Actions Pipeline for 3.9 branch: Docker Build Test Pipeline (JVM): https://github.com/apache/kafka/actions/runs/14485509197 Docker Build Test Pipeline (Native): https://github.com/apache/kafka/actions/runs/14485512365 Thanks, TengYao Chi