Hi Christo, The configurations documentation looks good to me now. +1 (non-binding)
Thanks, Andrew On 2026/01/28 16:46:43 Christo Lolov wrote: > Hello Andrew, > > Thanks for catching this! > https://dist.apache.org/repos/dist/dev/kafka/4.2.0-rc2/kafka_2.13-4.2.0-site-docs.tgz > has the generated folder containing the correct HTML files. The same > generated folder has now been pushed as a new commit in > https://github.com/apache/kafka-site/pull/785/files. If you try running the > website locally the previously empty pages ought to be populated now! > > As an aside, as promised, test results for the system tests can be found > here > https://drive.google.com/drive/folders/1mFO6S1EvwMeTrM8w-ePTiRj6ko97Sv3A. I > have a single consistently failing > test > kafkatest.tests.tools.replica_verification_test.ReplicaVerificationToolTest.test_replica_lags.metadata_quorum=ISOLATED_KRAFT. > If somebody else can run it independently and confirm/deny whether it is > failing for them it would be greatly appreciated! > > Best, > Christo > > On Tue, 27 Jan 2026 at 21:32, Robert Young <[email protected]> wrote: > > > Hi Christo, > > > > I checked: > > * Downloaded binaries and verified signature, md5, sha512, sha1 for > > - kafka_2.13-4.2.0-site-docs.tgz > > - kafka_2.13-4.2.0.tgz > > - kafka-4.2.0-src.tgz > > - RELEASE_NOTES.html > > * Ran through the quickstart commands using binaries, > > apache/kafka:4.2.0-rc2 and apache/kafka-native:4.2.0-rc2 > > * Checked that you can consume from the quickstart clusters > > with bin/kafka-console-share-consumer.sh > > > > +1 (non-binding) > > > > Thanks, > > Rob > > > > On Wed, Jan 28, 2026 at 5:01 AM Christo Lolov <[email protected]> > > wrote: > > > > > Hello Kafka users, developers and client-developers, > > > > > > This is the RC2 candidate for release of Apache Kafka 4.2.0. > > > > > > This release has many exciting changes: > > > * Kafka Queues (Share Groups) is now production-ready with new > > > features like the RENEW acknowledgement type for extended processing > > > times, adaptive batching for coordinators, and comprehensive lag > > > metrics. > > > * Kafka Streams brings the server-side rebalance protocol to GA with a > > > limited feature set, adds dead letter queue support in exception > > > handlers, introduces anchored wall-clock punctuation for deterministic > > > scheduling, and gives users full control over whether to send a leave > > > group request on closing. > > > * This release also delivers significant improvements to consistency > > > and observability: CLI tools now feature standardized arguments like > > > --bootstrap-server across all tools, metric naming has been corrected > > > to follow the kafka.COMPONENT convention, and new idle ratio metrics > > > provide better visibility into controller and MetadataLoader > > > performance. > > > * Security is enhanced with a new allowlist connector client > > > configuration override policy, while thread-safety improvements to > > > RecordHeader eliminate concurrency risks. > > > * Additional highlights include external schema support in > > > JsonConverter for reduced message sizes, dynamic configuration for > > > remote log manager thread pools, and rack ID exposure in the Admin API > > > for consumer and share group members. > > > > > > Release notes for the 4.2.0 release: > > > > > https://dist.apache.org/repos/dist/dev/kafka/4.2.0-rc2/RELEASE_NOTES.html > > > > > > *** Please download, test and vote by Friday, January 30, 5pm UTC > > > > > > 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/4.2.0-rc2/ > > > > > > * Docker release artifacts to be voted upon: > > > apache/kafka:4.2.0-rc2 > > > apache/kafka-native:4.2.0-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/4.2.0-rc2/javadoc/index.html > > > > > > * Tag to be voted upon (off 4.2 branch) is the 4.2.0 tag: > > > https://github.com/apache/kafka/releases/tag/4.2.0-rc2 > > > > > > * Documentation: > > > * Protocol: > > > https://github.com/apache/kafka-site/pull/785 > > > > > > * Successful CI builds for the 4.2 branch: > > > Unit/integration tests: The ongoing build for the 4.2.0-rc2 tag can be > > > found > > > at > > > https://github.com/apache/kafka/actions/runs/21398201956/job/61611167690 > > > > > > System tests: I have started the tests in my environment and will share > > > test > > > results in the next ~24 hours. > > > > > > * Successful Docker Image Github Actions Pipeline for 4.2 branch: > > > Docker Build Test Pipeline (JVM): > > > https://github.com/apache/kafka/actions/runs/21402423697 > > > Docker Build Test Pipeline (Native): > > > https://github.com/apache/kafka/actions/runs/21398799585 > > > > > > Thanks, > > > Christo > > > > > >
