Kafka

The Apache Kafka community is pleased to announce the release for Apache Kafka 4.3.0 All of the changes in this release can be found in the release notes: https://www.apache.org/dist/kafka/4.3.0/RELEASE_NOTES.html An overview of the release can be found in our announcement blog post: https://kafka.apache.org/blog/2026/05/22/apache-kafka-4.3.0-release-announcement/ You can download the source and binary release (Scala 2.13) from: https://kafka.apache.org/downloads#4.3.0 --------------------------------------------------------------------------------------------------- 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. ** The Consumer API allows an application to subscribe to one or more topics and process the stream of records produced to them. ** The Streams API allows an application to act as a stream processor, consuming an inpu...

+1 (non-binding). I used the staged binaries and Maven artifacts ... and did some manual testing and tested it with Strimzi tests as well. All seems to work fine. Jakub On Thu, May 14, 2026 at 12:42 PM PoAn Yang <yangpoan@gmail.com> wrote: > Hello Kafka users, developers and client-developers, > > This is the third candidate for release of Apache Kafka 4.2.1. > > This is the first bug fix release for Apache Kafka 4.2 with fixes as > described in the release notes. In the third candidate, it adds > KAFKA-20572. > > Release notes for the 4.2.1 release: > https://dist.apache.org/repos/dist/dev/kafka/4.2.1-rc5/RELEASE_NOTES.html > > Please download, test and vote by Thursday, May 20, 9pm 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/...

Hi, I'm now closing this vote, it has passed. I'll send the results and I'll continue with the release process. Thanks, Mickael On Tue, May 19, 2026 at 5:50 PM Federico Valeri <fedevaleri@gmail.com> wrote: > > Hi Mickael, > > I ran various test client applications on Java 21 using the staged > Maven artifacts. > > +1 non binding > > Thanks > > On Tue, May 19, 2026 at 2:02 PM Keith W <keith.wall@gmail.com> wrote: > > > > I tested out the staged Maven artifacts from > > https://repository.apache.org/content/groups/staging/org/apache/kafka/ > > against the Kroxylicious test suite. > > This relies on both kafka client and server artefacts. No issues encountered. > > > > Thank you > > > > +1 (non binding) > > > > On Fri, 15 May 2026 at 15:58, Josep Prat via dev <dev@kafka.apache.org> wrote: > > > > > > Hi Micka...

Hi Luke, Need answers to the following questions – 1. When is the next release planned which have fix for this CVE. 2. What log4j/jetty/Jackson-core version will be used in this upcoming kafka release. Share the JIRA links if available. Regards Vivek From: Luke Chen <showuon@gmail.com> Sent: 15 May 2026 12:39 To: users@kafka.apache.org Cc: users-subscribe@kafka.apache.org; Vivek Agarwal B <vivek.b.agarwal@ericsson.com>; Apoorva Maheshwari <apoorva.maheshwari@ericsson.com> Subject: Re: Kafka new version info You don't often get email from showuon@gmail.com<mailto:showuon@gmail.com>. Learn why this is important<https://aka.ms/LearnAboutSenderIdentification> Hi Apoorva, This is an open source project, so you can search in the JIRA or check the source code to find the answer. Like the first CVE-2025-67030, you will find this ticket after searching it: https://issues.apache.org/jira/browse/KAFKA-20373 And it showed it...

Hi Mickael, I ran various test client applications on Java 21 using the staged Maven artifacts. +1 non binding Thanks On Tue, May 19, 2026 at 2:02 PM Keith W <keith.wall@gmail.com> wrote: > > I tested out the staged Maven artifacts from > https://repository.apache.org/content/groups/staging/org/apache/kafka/ > against the Kroxylicious test suite. > This relies on both kafka client and server artefacts. No issues encountered. > > Thank you > > +1 (non binding) > > On Fri, 15 May 2026 at 15:58, Josep Prat via dev <dev@kafka.apache.org> wrote: > > > > Hi Mickael, > > > > I did the following: > > - checked the signatures and checksums > > - build from source > > - ran the test locally > > - Tested Docker Images: > > -- can start > > -- can create topics > > - ran quickstart > > - ran sample apps with consumer groups > > - checked J...

I tested out the staged Maven artifacts from https://repository.apache.org/content/groups/staging/org/apache/kafka/ against the Kroxylicious test suite. This relies on both kafka client and server artefacts. No issues encountered. Thank you +1 (non binding) On Fri, 15 May 2026 at 15:58, Josep Prat via dev <dev@kafka.apache.org> wrote: > > Hi Mickael, > > I did the following: > - checked the signatures and checksums > - build from source > - ran the test locally > - Tested Docker Images: > -- can start > -- can create topics > - ran quickstart > - ran sample apps with consumer groups > - checked Java client interaction from artifacts (admin, producer, consumer > and streams) > - checked Tiered Storage offloads to remote storage (with Aiven's plugin) > - checked Kafka Connect > > +1 (binding for me) > > Thanks for running the release! > > Best, > > On Fri, May 15, 2026 a...

Hi Mickael, I did the following: - checked the signatures and checksums - build from source - ran the test locally - Tested Docker Images: -- can start -- can create topics - ran quickstart - ran sample apps with consumer groups - checked Java client interaction from artifacts (admin, producer, consumer and streams) - checked Tiered Storage offloads to remote storage (with Aiven's plugin) - checked Kafka Connect +1 (binding for me) Thanks for running the release! Best, On Fri, May 15, 2026 at 3:52 PM Lianet Magrans <lianetm@apache.org> wrote: > Hi Mickael, > > I did the following on RC2: > - verified the checksums and signature > - downloaded and build from source (java 21) + run quickstart > - played with basic produce/consume, classic and consumer groups, mixed > groups, online upgrade/downgrade > - downloaded docker images & run quick start with both > - browsed the docs > > +1 (binding) > ...