Hello Kafka users, developers and client-developers, This is the second candidate for release of Apache Kafka 4.1.0.
The release brings many new features and improvements: - Mechanism for plugin to register metrics - Allow running multiple versions of connector plugins - Queue are now in preview access - New Streams rebalance protocol in early access - Support for OAuth jwt-bearer grant type - Improved metadata replication Release notes for the 4.1.0 release: https://dist.apache.org/repos/dist/dev/kafka/4.1.0-rc1/RELEASE_NOTES.html *** Please download, test and vote by Friday July 25. 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/4.1.0-rc1/ * Docker release artifacts to be voted upon: apache/kafka:4.1.0-rc1 apache/kafka-native:4.1.0-rc1 * 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/4.1.0-rc1/javadoc/ * Tag to be voted upon (off 4.1 branch) is the 4.1.0 tag: https://github.com/apache/kafka/releases/tag/4.1.0-rc1 * Documentation: https://kafka.apache.org/41/documentation.html PR (https://github.com/apache/kafka-site/pull/702) is not merged yet * Protocol: https://kafka.apache.org/41/protocol.html PR (https://github.com/apache/kafka-site/pull/702) is not merged yet * Successful CI builds for the 4.1 branch: Unit/integration tests: https://github.com/apache/kafka/actions/runs/16415760777 System tests: The environment I use for running the system tests is under maintenance. If someone can run the system tests, go ahead. Otherwise I'll send an update once I'm able to run them. * Successful Docker Image Github Actions Pipeline for 4.1 branch: Docker Build Test Pipeline (JVM): https://github.com/apache/kafka/actions/runs/16415783067 Docker Build Test Pipeline (Native): https://github.com/apache/kafka/actions/runs/16415786103 Thanks, Mickael
