Kafka

Hello Kafka users, developers and client-developers, This is the first candidate for release of Apache Kafka 4.3.1. This is a bugfix release for the 4.3 line. The most significant fix is KAFKA-20616, a critical native memory leak in Kafka Streams caused by RocksDB ColumnFamily handles and ColumnFamilyOptions not being released (notably the offsets column family added for KIP-1035). The release also includes: - KAFKA-20663: Kafka Streams stale-offset / OffsetOutOfRangeException on restart (StateDirectory task-lock release on startup-manager close, and returning the committed offset from the newest segment first) - KAFKA-20673: AdminClient partition-leader APIs hang when a cached leader has left the cluster - KAFKA-20634 / KAFKA-20635: spurious group-coordinator errors after a partition leadership change - KAFKA-20535: improved async consumer CPU usage under low max.poll.records - Additional documentation updates (KIP-1035, KIP-1271 headers-aware sta...

Thanks for running the release, PoAn! On 2026/06/03 01:28:38 Eric Chang wrote: > Thanks for managing the release PoAn! > > On 2026/06/02 14:11:05 PoAn Yang wrote: > > The Apache Kafka community is pleased to announce the release for Apache > > Kafka 4.2.1 > > > > This bug-fix release includes several critical fixes as documented in the > > release notes. > > > > All of the changes in this release can be found in the release notes: > > https://www.apache.org/dist/kafka/4.2.1/RELEASE_NOTES.html > > > > An overview of the release can be found in our announcement blog post: > > https://kafka.apache.org/blog > > > > You can download the source and binary release from: > > https://kafka.apache.org/downloads#4.2.1 > > > > --------------------------------------------------------------------------------------------------- > > > > > > Apache ...

Thanks for managing the release PoAn! On Wed, Jun 3, 2026 at 7:53 PM jian fu <fujian1115@gmail.com> wrote: > Thanks for PoAn to manage this release > > Regards > Jian > > Christo Lolov <christololov@gmail.com>于2026年6月3日 周三19:28写道： > > > Thank you for running the release, PoAn! > > > > On Tue, 2 Jun 2026 at 19:50, Lucas Brutschy via dev > > <dev@kafka.apache.org> wrote: > > > > > > Thanks for managing the release PoAn! > > > > > > On Tue, Jun 2, 2026 at 5:46 PM Chia-Ping Tsai <chia7712@gmail.com> > > wrote: > > > > > > > > > > > > Thanks for PoAn to manage this release > > > > > > > > > sunil chaudhari <sunilmchaudhari05@gmail.com> 於 2026年6月2日 晚上11:23 > > 寫道： > > > > > > > > > > Hi, > > > > > Thanks for announcement. > > ...

Thanks for PoAn to manage this release Regards Jian Christo Lolov <christololov@gmail.com>于2026年6月3日 周三19:28写道： > Thank you for running the release, PoAn! > > On Tue, 2 Jun 2026 at 19:50, Lucas Brutschy via dev > <dev@kafka.apache.org> wrote: > > > > Thanks for managing the release PoAn! > > > > On Tue, Jun 2, 2026 at 5:46 PM Chia-Ping Tsai <chia7712@gmail.com> > wrote: > > > > > > > > > Thanks for PoAn to manage this release > > > > > > > sunil chaudhari <sunilmchaudhari05@gmail.com> 於 2026年6月2日 晚上11:23 > 寫道： > > > > > > > > Hi, > > > > Thanks for announcement. > > > > Are these changes available in 4.3.0 > > > > We are setting up new cluster version 4.3.0. > > > > Dont want to miss these bug fixes. > > > > > > > > Regards, > > > > S...

Thank you for running the release, PoAn! On Tue, 2 Jun 2026 at 19:50, Lucas Brutschy via dev <dev@kafka.apache.org> wrote: > > Thanks for managing the release PoAn! > > On Tue, Jun 2, 2026 at 5:46 PM Chia-Ping Tsai <chia7712@gmail.com> wrote: > > > > > > Thanks for PoAn to manage this release > > > > > sunil chaudhari <sunilmchaudhari05@gmail.com> 於 2026年6月2日 晚上11:23 寫道： > > > > > > Hi, > > > Thanks for announcement. > > > Are these changes available in 4.3.0 > > > We are setting up new cluster version 4.3.0. > > > Dont want to miss these bug fixes. > > > > > > Regards, > > > Sunil. > > > > > >> On Tue, 2 Jun 2026 at 7:41 PM, PoAn Yang <payang@apache.org> wrote: > > >> > > >> The Apache Kafka community is pleased to announce the release for Apache > > >> ...

Thanks for managing the release PoAn! On 2026/06/02 14:11:05 PoAn Yang wrote: > The Apache Kafka community is pleased to announce the release for Apache > Kafka 4.2.1 > > This bug-fix release includes several critical fixes as documented in the > release notes. > > All of the changes in this release can be found in the release notes: > https://www.apache.org/dist/kafka/4.2.1/RELEASE_NOTES.html > > An overview of the release can be found in our announcement blog post: > https://kafka.apache.org/blog > > You can download the source and binary release from: > https://kafka.apache.org/downloads#4.2.1 > > --------------------------------------------------------------------------------------------------- > > > Apache Kafka is a distributed streaming platform with four core APIs: > > > ** The Producer API allows an application to publish a stream of records to > one or more Kafka topics. ...

Thanks for managing the release PoAn! On Tue, Jun 2, 2026 at 5:46 PM Chia-Ping Tsai <chia7712@gmail.com> wrote: > > > Thanks for PoAn to manage this release > > > sunil chaudhari <sunilmchaudhari05@gmail.com> 於 2026年6月2日 晚上11:23 寫道： > > > > Hi, > > Thanks for announcement. > > Are these changes available in 4.3.0 > > We are setting up new cluster version 4.3.0. > > Dont want to miss these bug fixes. > > > > Regards, > > Sunil. > > > >> On Tue, 2 Jun 2026 at 7:41 PM, PoAn Yang <payang@apache.org> wrote: > >> > >> The Apache Kafka community is pleased to announce the release for Apache > >> Kafka 4.2.1 > >> > >> This bug-fix release includes several critical fixes as documented in the > >> release notes. > >> > >> All of the changes in this release can be found in the release notes: ...