Hello! I carried out the following checks:
* Built Kafka from source using JDK 24 * Ran unit tests * Validated signatures and checksums * Ran the quickstart tutorial * Tested disabling and reenabling of ELR * Tested ELR defaulting to enabled after an upgrade from a 4.0.0 cluster to 4.1.0 * Tested enabling, producing, consuming and disabling of queues * Spot checked the Javadocs +1 (non-binding) Best, Christo On Wed, 20 Aug 2025 at 18:23, Federico Valeri <fedeval...@gmail.com> wrote: > Hello Mickael, > > I did the following: > > - Build from source using JDK 17 > - Ran all unit and integration tests > - Ran Docker image > - Ran clients from Kafka examples module > - Spot checked documentation > - Tested share group using staging Maven artifacts > - Tested KIP-1152 > - Tested KIP-1131 > - Tested KIP-891 > > +1 non binding > > Cheers > Fede > > On Tue, Aug 5, 2025 at 7:57 PM Mickael Maison <mickael.mai...@gmail.com> > wrote: > > > > Hello Kafka users, developers and client-developers, > > > > This is the third 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-rc2/RELEASE_NOTES.html > > > > *** Please download, test and vote by Friday August 8. > > > > 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-rc2/ > > > > * Docker release artifacts to be voted upon: > > apache/kafka:4.1.0-rc2 > > apache/kafka-native:4.1.0-rc2 > > > > * 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-rc2/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-rc2 > > > > * Documentation: > > https://kafka.apache.org/41/documentation.html > > PR (https://github.com/apache/kafka-site/pull/702) updated for RC2 is > > not merged yet > > > > * Protocol: > > https://kafka.apache.org/41/protocol.html > > PR (https://github.com/apache/kafka-site/pull/702) updated for RC2 is > > not merged yet > > > > * Successful CI builds for the 4.1 branch: > > Unit/integration tests: > https://github.com/apache/kafka/actions/runs/16753255070 > > System tests: Tests are currently running, I'll post the results once > > they complete > > > > * Successful Docker Image Github Actions Pipeline for 4.1 branch: > > Docker Build Test Pipeline (JVM): > > https://github.com/apache/kafka/actions/runs/16753270537 > > Docker Build Test Pipeline (Native): > > https://github.com/apache/kafka/actions/runs/16753280218 > > > > Thanks, > > Mickael >