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Posted to users@kafka.apache.org by Mickael Maison <mi...@gmail.com> on 2025/08/27 12:39:30 UTC
[VOTE] 4.1.0 RC3
Hello Kafka users, developers and client-developers,
This is the 4th 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-rc3/RELEASE_NOTES.html
*** Please download, test and vote by Monday September 1
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-rc3/
* Docker release artifacts to be voted upon:
apache/kafka:4.1.0-rc3
apache/kafka-native:4.1.0-rc3
* 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-rc3/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-rc3
* Documentation:
https://kafka.apache.org/41/documentation.html
PR (https://github.com/apache/kafka-site/pull/702) updated for RC3 is
not merged yet
* Protocol:
https://kafka.apache.org/41/protocol.html
PR (https://github.com/apache/kafka-site/pull/702) updated for RC3 is
not merged yet
* Successful CI builds for the 4.1 branch:
Unit/integration tests: https://github.com/apache/kafka/actions/runs/17263427471
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/17263452575
Docker Build Test Pipeline (Native):
https://github.com/apache/kafka/actions/runs/17263456887
Thanks,
Mickael
Re: [VOTE] 4.1.0 RC3
Posted by Mickael Maison <mi...@gmail.com>.
Hi,
The vote passes with:
- 3 binding votes from Bill, Justine and Luke
- 5 non binding votes from Paolo, Kuan-Po, Andrew, Federico and Jiunn-Yang
Thanks,
Mickael
On Tue, Sep 2, 2025 at 5:11 AM Luke Chen <sh...@gmail.com> wrote:
>
> Hi Mickael,
>
> I did the following:
> - Run quickstart using the artifacts
> - Verified the static quorum upgrading to dynamic quorum works
> - Browsed the document, focusing on the dynamic quorum sections
> - Browsed the java doc
>
> +1 (binding) from me.
>
> Thank you,
> Luke
>
> On Mon, Sep 1, 2025 at 7:05 PM 黃竣陽 <s7...@gmail.com> wrote:
>
> > Hello Mickael,
> >
> > I did the following:
> >
> > - Built from source using JDK 21
> > - Executed all unit and integration tests
> > - Ran the KRaft quickstart successfully
> > - test console producer and consumer
> >
> > +1 (non-binding)
> >
> > Best Regards,
> > Jiunn-Yang
> >
> > > Federico Valeri <fe...@gmail.com> 於 2025年9月1日 下午5:56 寫道：
> > >
> > > btw, I'm +1 non binding
> > >
> > > On Mon, Sep 1, 2025 at 11:53 AM Federico Valeri <fe...@gmail.com>
> > wrote:
> > >>
> > >> Hi Mickael,
> > >>
> > >> I've done the following:
> > >>
> > >> - Verified signature and checksum
> > >> - Built from source using JDK 17
> > >> - Ran all unit tests
> > >> - Failing (KAFKA-18912):
> > MetadataSchemaCheckerToolTest.testVerifyEvolutionGit
> > >> - Flaky (first one is mentioned in KAFKA-18834):
> > >> ./gradlew connect:runtime:test --tests LoggersTest --tests
> > >> OffsetUtilsTest -PmaxParallelForks=1 --rerun-tasks
> > >> - OffsetUtilsTest.testProcessPartitionKeyListWithElementsOfWrongType
> > >> - OffsetUtilsTest.testProcessPartitionKeyNotList
> > >> - OffsetUtilsTest.testProcessPartitionKeyListWithOneElement
> > >> - OffsetUtilsTest.testProcessPartitionKeyWithUnknownSerialization
> > >> - Flaky (KAFKA-19578): RemoteLogManagerTest#testCopyQuota
> > >> - Ran all integration tests
> > >> - Flaky (KAFKA-19452, fixed):
> > >> LogRecoveryTest.testHWCheckpointWithFailuresMultipleLogSegments
> > >> - Ran clients from Kafka examples module
> > >> - Tested share group using staging Maven artifacts
> > >> - Spot checked documentation
> > >> - Ran Docker image
> > >>
> > >> The failing test is now fixed, the rest is flaky. If you can confirm
> > >> OffsetUtilsTest flakiness, I will open a dedicated Jiras.
> > >>
> > >> Cheers
> > >> Fede
> > >>
> > >> On Wed, Aug 27, 2025 at 2:39 PM Mickael Maison <
> > mickael.maison@gmail.com> wrote:
> > >>>
> > >>> Hello Kafka users, developers and client-developers,
> > >>>
> > >>> This is the 4th 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-rc3/RELEASE_NOTES.html
> > >>>
> > >>> *** Please download, test and vote by Monday September 1
> > >>>
> > >>> 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-rc3/
> > >>>
> > >>> * Docker release artifacts to be voted upon:
> > >>> apache/kafka:4.1.0-rc3
> > >>> apache/kafka-native:4.1.0-rc3
> > >>>
> > >>> * 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-rc3/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-rc3
> > >>>
> > >>> * Documentation:
> > >>> https://kafka.apache.org/41/documentation.html
> > >>> PR (https://github.com/apache/kafka-site/pull/702) updated for RC3 is
> > >>> not merged yet
> > >>>
> > >>> * Protocol:
> > >>> https://kafka.apache.org/41/protocol.html
> > >>> PR (https://github.com/apache/kafka-site/pull/702) updated for RC3 is
> > >>> not merged yet
> > >>>
> > >>> * Successful CI builds for the 4.1 branch:
> > >>> Unit/integration tests:
> > https://github.com/apache/kafka/actions/runs/17263427471
> > >>> 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/17263452575
> > >>> Docker Build Test Pipeline (Native):
> > >>> https://github.com/apache/kafka/actions/runs/17263456887
> > >>>
> > >>> Thanks,
> > >>> Mickael
> >
> >
Re: [VOTE] 4.1.0 RC3
Posted by Luke Chen <sh...@gmail.com>.
Hi Mickael,
I did the following:
- Run quickstart using the artifacts
- Verified the static quorum upgrading to dynamic quorum works
- Browsed the document, focusing on the dynamic quorum sections
- Browsed the java doc
+1 (binding) from me.
Thank you,
Luke
On Mon, Sep 1, 2025 at 7:05 PM 黃竣陽 <s7...@gmail.com> wrote:
> Hello Mickael,
>
> I did the following:
>
> - Built from source using JDK 21
> - Executed all unit and integration tests
> - Ran the KRaft quickstart successfully
> - test console producer and consumer
>
> +1 (non-binding)
>
> Best Regards,
> Jiunn-Yang
>
> > Federico Valeri <fe...@gmail.com> 於 2025年9月1日 下午5:56 寫道：
> >
> > btw, I'm +1 non binding
> >
> > On Mon, Sep 1, 2025 at 11:53 AM Federico Valeri <fe...@gmail.com>
> wrote:
> >>
> >> Hi Mickael,
> >>
> >> I've done the following:
> >>
> >> - Verified signature and checksum
> >> - Built from source using JDK 17
> >> - Ran all unit tests
> >> - Failing (KAFKA-18912):
> MetadataSchemaCheckerToolTest.testVerifyEvolutionGit
> >> - Flaky (first one is mentioned in KAFKA-18834):
> >> ./gradlew connect:runtime:test --tests LoggersTest --tests
> >> OffsetUtilsTest -PmaxParallelForks=1 --rerun-tasks
> >> - OffsetUtilsTest.testProcessPartitionKeyListWithElementsOfWrongType
> >> - OffsetUtilsTest.testProcessPartitionKeyNotList
> >> - OffsetUtilsTest.testProcessPartitionKeyListWithOneElement
> >> - OffsetUtilsTest.testProcessPartitionKeyWithUnknownSerialization
> >> - Flaky (KAFKA-19578): RemoteLogManagerTest#testCopyQuota
> >> - Ran all integration tests
> >> - Flaky (KAFKA-19452, fixed):
> >> LogRecoveryTest.testHWCheckpointWithFailuresMultipleLogSegments
> >> - Ran clients from Kafka examples module
> >> - Tested share group using staging Maven artifacts
> >> - Spot checked documentation
> >> - Ran Docker image
> >>
> >> The failing test is now fixed, the rest is flaky. If you can confirm
> >> OffsetUtilsTest flakiness, I will open a dedicated Jiras.
> >>
> >> Cheers
> >> Fede
> >>
> >> On Wed, Aug 27, 2025 at 2:39 PM Mickael Maison <
> mickael.maison@gmail.com> wrote:
> >>>
> >>> Hello Kafka users, developers and client-developers,
> >>>
> >>> This is the 4th 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-rc3/RELEASE_NOTES.html
> >>>
> >>> *** Please download, test and vote by Monday September 1
> >>>
> >>> 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-rc3/
> >>>
> >>> * Docker release artifacts to be voted upon:
> >>> apache/kafka:4.1.0-rc3
> >>> apache/kafka-native:4.1.0-rc3
> >>>
> >>> * 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-rc3/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-rc3
> >>>
> >>> * Documentation:
> >>> https://kafka.apache.org/41/documentation.html
> >>> PR (https://github.com/apache/kafka-site/pull/702) updated for RC3 is
> >>> not merged yet
> >>>
> >>> * Protocol:
> >>> https://kafka.apache.org/41/protocol.html
> >>> PR (https://github.com/apache/kafka-site/pull/702) updated for RC3 is
> >>> not merged yet
> >>>
> >>> * Successful CI builds for the 4.1 branch:
> >>> Unit/integration tests:
> https://github.com/apache/kafka/actions/runs/17263427471
> >>> 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/17263452575
> >>> Docker Build Test Pipeline (Native):
> >>> https://github.com/apache/kafka/actions/runs/17263456887
> >>>
> >>> Thanks,
> >>> Mickael
>
>
Re: [VOTE] 4.1.0 RC3
Posted by 黃竣陽 <s7...@gmail.com>.
Hello Mickael,
I did the following:
- Built from source using JDK 21
- Executed all unit and integration tests
- Ran the KRaft quickstart successfully
- test console producer and consumer
+1 (non-binding)
Best Regards,
Jiunn-Yang
> Federico Valeri <fe...@gmail.com> 於 2025年9月1日 下午5:56 寫道：
>
> btw, I'm +1 non binding
>
> On Mon, Sep 1, 2025 at 11:53 AM Federico Valeri <fe...@gmail.com> wrote:
>>
>> Hi Mickael,
>>
>> I've done the following:
>>
>> - Verified signature and checksum
>> - Built from source using JDK 17
>> - Ran all unit tests
>> - Failing (KAFKA-18912): MetadataSchemaCheckerToolTest.testVerifyEvolutionGit
>> - Flaky (first one is mentioned in KAFKA-18834):
>> ./gradlew connect:runtime:test --tests LoggersTest --tests
>> OffsetUtilsTest -PmaxParallelForks=1 --rerun-tasks
>> - OffsetUtilsTest.testProcessPartitionKeyListWithElementsOfWrongType
>> - OffsetUtilsTest.testProcessPartitionKeyNotList
>> - OffsetUtilsTest.testProcessPartitionKeyListWithOneElement
>> - OffsetUtilsTest.testProcessPartitionKeyWithUnknownSerialization
>> - Flaky (KAFKA-19578): RemoteLogManagerTest#testCopyQuota
>> - Ran all integration tests
>> - Flaky (KAFKA-19452, fixed):
>> LogRecoveryTest.testHWCheckpointWithFailuresMultipleLogSegments
>> - Ran clients from Kafka examples module
>> - Tested share group using staging Maven artifacts
>> - Spot checked documentation
>> - Ran Docker image
>>
>> The failing test is now fixed, the rest is flaky. If you can confirm
>> OffsetUtilsTest flakiness, I will open a dedicated Jiras.
>>
>> Cheers
>> Fede
>>
>> On Wed, Aug 27, 2025 at 2:39 PM Mickael Maison <mi...@gmail.com> wrote:
>>>
>>> Hello Kafka users, developers and client-developers,
>>>
>>> This is the 4th 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-rc3/RELEASE_NOTES.html
>>>
>>> *** Please download, test and vote by Monday September 1
>>>
>>> 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-rc3/
>>>
>>> * Docker release artifacts to be voted upon:
>>> apache/kafka:4.1.0-rc3
>>> apache/kafka-native:4.1.0-rc3
>>>
>>> * 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-rc3/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-rc3
>>>
>>> * Documentation:
>>> https://kafka.apache.org/41/documentation.html
>>> PR (https://github.com/apache/kafka-site/pull/702) updated for RC3 is
>>> not merged yet
>>>
>>> * Protocol:
>>> https://kafka.apache.org/41/protocol.html
>>> PR (https://github.com/apache/kafka-site/pull/702) updated for RC3 is
>>> not merged yet
>>>
>>> * Successful CI builds for the 4.1 branch:
>>> Unit/integration tests: https://github.com/apache/kafka/actions/runs/17263427471
>>> 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/17263452575
>>> Docker Build Test Pipeline (Native):
>>> https://github.com/apache/kafka/actions/runs/17263456887
>>>
>>> Thanks,
>>> Mickael
Re: [VOTE] 4.1.0 RC3
Posted by Federico Valeri <fe...@gmail.com>.
btw, I'm +1 non binding
On Mon, Sep 1, 2025 at 11:53 AM Federico Valeri <fe...@gmail.com> wrote:
>
> Hi Mickael,
>
> I've done the following:
>
> - Verified signature and checksum
> - Built from source using JDK 17
> - Ran all unit tests
> - Failing (KAFKA-18912): MetadataSchemaCheckerToolTest.testVerifyEvolutionGit
> - Flaky (first one is mentioned in KAFKA-18834):
> ./gradlew connect:runtime:test --tests LoggersTest --tests
> OffsetUtilsTest -PmaxParallelForks=1 --rerun-tasks
> - OffsetUtilsTest.testProcessPartitionKeyListWithElementsOfWrongType
> - OffsetUtilsTest.testProcessPartitionKeyNotList
> - OffsetUtilsTest.testProcessPartitionKeyListWithOneElement
> - OffsetUtilsTest.testProcessPartitionKeyWithUnknownSerialization
> - Flaky (KAFKA-19578): RemoteLogManagerTest#testCopyQuota
> - Ran all integration tests
> - Flaky (KAFKA-19452, fixed):
> LogRecoveryTest.testHWCheckpointWithFailuresMultipleLogSegments
> - Ran clients from Kafka examples module
> - Tested share group using staging Maven artifacts
> - Spot checked documentation
> - Ran Docker image
>
> The failing test is now fixed, the rest is flaky. If you can confirm
> OffsetUtilsTest flakiness, I will open a dedicated Jiras.
>
> Cheers
> Fede
>
> On Wed, Aug 27, 2025 at 2:39 PM Mickael Maison <mi...@gmail.com> wrote:
> >
> > Hello Kafka users, developers and client-developers,
> >
> > This is the 4th 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-rc3/RELEASE_NOTES.html
> >
> > *** Please download, test and vote by Monday September 1
> >
> > 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-rc3/
> >
> > * Docker release artifacts to be voted upon:
> > apache/kafka:4.1.0-rc3
> > apache/kafka-native:4.1.0-rc3
> >
> > * 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-rc3/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-rc3
> >
> > * Documentation:
> > https://kafka.apache.org/41/documentation.html
> > PR (https://github.com/apache/kafka-site/pull/702) updated for RC3 is
> > not merged yet
> >
> > * Protocol:
> > https://kafka.apache.org/41/protocol.html
> > PR (https://github.com/apache/kafka-site/pull/702) updated for RC3 is
> > not merged yet
> >
> > * Successful CI builds for the 4.1 branch:
> > Unit/integration tests: https://github.com/apache/kafka/actions/runs/17263427471
> > 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/17263452575
> > Docker Build Test Pipeline (Native):
> > https://github.com/apache/kafka/actions/runs/17263456887
> >
> > Thanks,
> > Mickael
Re: [VOTE] 4.1.0 RC3
Posted by Federico Valeri <fe...@gmail.com>.
Hi Mickael,
I've done the following:
- Verified signature and checksum
- Built from source using JDK 17
- Ran all unit tests
- Failing (KAFKA-18912): MetadataSchemaCheckerToolTest.testVerifyEvolutionGit
- Flaky (first one is mentioned in KAFKA-18834):
./gradlew connect:runtime:test --tests LoggersTest --tests
OffsetUtilsTest -PmaxParallelForks=1 --rerun-tasks
- OffsetUtilsTest.testProcessPartitionKeyListWithElementsOfWrongType
- OffsetUtilsTest.testProcessPartitionKeyNotList
- OffsetUtilsTest.testProcessPartitionKeyListWithOneElement
- OffsetUtilsTest.testProcessPartitionKeyWithUnknownSerialization
- Flaky (KAFKA-19578): RemoteLogManagerTest#testCopyQuota
- Ran all integration tests
- Flaky (KAFKA-19452, fixed):
LogRecoveryTest.testHWCheckpointWithFailuresMultipleLogSegments
- Ran clients from Kafka examples module
- Tested share group using staging Maven artifacts
- Spot checked documentation
- Ran Docker image
The failing test is now fixed, the rest is flaky. If you can confirm
OffsetUtilsTest flakiness, I will open a dedicated Jiras.
Cheers
Fede
On Wed, Aug 27, 2025 at 2:39 PM Mickael Maison <mi...@gmail.com> wrote:
>
> Hello Kafka users, developers and client-developers,
>
> This is the 4th 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-rc3/RELEASE_NOTES.html
>
> *** Please download, test and vote by Monday September 1
>
> 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-rc3/
>
> * Docker release artifacts to be voted upon:
> apache/kafka:4.1.0-rc3
> apache/kafka-native:4.1.0-rc3
>
> * 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-rc3/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-rc3
>
> * Documentation:
> https://kafka.apache.org/41/documentation.html
> PR (https://github.com/apache/kafka-site/pull/702) updated for RC3 is
> not merged yet
>
> * Protocol:
> https://kafka.apache.org/41/protocol.html
> PR (https://github.com/apache/kafka-site/pull/702) updated for RC3 is
> not merged yet
>
> * Successful CI builds for the 4.1 branch:
> Unit/integration tests: https://github.com/apache/kafka/actions/runs/17263427471
> 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/17263452575
> Docker Build Test Pipeline (Native):
> https://github.com/apache/kafka/actions/runs/17263456887
>
> Thanks,
> Mickael
Re: [VOTE] 4.1.0 RC3
Posted by Andrew Schofield <an...@outlook.com>.
Hi Mickael,
I did the following:
* Built from source with Java 17
* Ran client tests
* Validated that share groups are not enabled by default, and give correct message if use attempted
* Enabled share.version=1 feature
* Validated that share groups worked with console tools
* Checked protocol and documentation changes in AK 4.1
+1 (non-binding)
Thanks,
Andrew
________________________________________
From: Kuan-Po Tseng <br...@gmail.com>
Sent: 30 August 2025 16:46
To: dev@kafka.apache.org <de...@kafka.apache.org>
Subject: Re: [VOTE] 4.1.0 RC3
Hi Mickael,
I did the following:
- Built from source with Java 23 zulu
- Validated all checksums and signatures
- Ran unit tests&integration tests
- Ran quick-start for streams with kafka-native 4.1.0-rc3 image
- Ran instructions with dynamic voter set
- Skimmed the rc3 doc
I noticed that the documentation for the dynamic voter set needs to be
updated.
I’ve already opened a PR for this:
https://github.com/apache/kafka-site/pull/713
<https://github.com/apache/kafka-site/pull/713?utm_source=chatgpt.com>.
It would be great if we could get this merged before the 4.1.0 release.
+1 (non-binding)
Thanks,
Kuan-Po Tseng
On Sat, Aug 30, 2025 at 4:03 AM Mickael Maison <mi...@gmail.com>
wrote:
> Hi Justine,
>
> Yes this is a known issue, tracked in
> https://issues.apache.org/jira/browse/KAFKA-18973
>
> Thanks,
> Mickael
>
> On Fri, Aug 29, 2025 at 8:44 PM Justine Olshan
> <jo...@confluent.io.invalid> wrote:
> >
> > Hi Mickael,
> >
> > I've done the following:
> > - built from source with Java 21
> > - Validated checksums and signatures
> > - Ran unit tests (interestly one test fails because it requires the test
> to
> > be run in a git repo, but I don't think this is a blocker)
> > - I quickly checked the diff between rc2 and rc3
> > - Quick peek at the documentation and other artifacts
> >
> > +1 (binding)
> >
> > Thanks,
> > Justine
> >
> > On Fri, Aug 29, 2025 at 10:18 AM Bill Bejeck <bb...@apache.org> wrote:
> >
> > > Hi Mickael,
> > >
> > > I did the following:
> > >
> > > - Built from source with Java 17
> > > - Validated all checksums and signatures
> > > - Ran unit tests
> > > - Spot checked the docs and java doc
> > > - Ran the broker quickstarts including the docker images
> > > - Ran the Kafka Streams quickstart
> > > - Used classic and the new streams mode
> > > - Ran through the instructions for the Early access of the Streams
> > > Rebalance Protocol
> > >
> > > +1(binding)
> > >
> > > Thanks,
> > > Bill
> > >
> > > On Fri, Aug 29, 2025 at 12:36 PM Mickael Maison <
> mickael.maison@gmail.com>
> > > wrote:
> > >
> > > > Hi,
> > > >
> > > > The docs PR has been merged so the documentation and protocol for
> 4.1 are
> > > > up:
> > > > - https://kafka.apache.org/41/documentation.html
> > > > - https://kafka.apache.org/41/protocol.html
> > > >
> > > > The system tests have completed.
> > > > I still got the network_degrade_test failure (tracked by
> > > > https://issues.apache.org/jira/browse/KAFKA-19549).
> > > > Also I reverted by mistake the temporary fix [0] I had made to the
> 4.1
> > > > branch for https://issues.apache.org/jira/browse/KAFKA-19581, so the
> > > > Streams upgrade tests failed in the results, but they pass locally.
> > > > - Core:
> > > >
> > >
> https://drive.google.com/file/d/1-XdhozO1t78vWW4z127lweNa45DiYbmd/view?usp=drive_link
> > > > - Non core:
> > > >
> > >
> https://drive.google.com/file/d/1BLydIgKGBsV6B0UtnKJMNKNwAgz0ABGy/view?usp=drive_link
> > > >
> > > > 0:
> > > >
> > >
> https://github.com/apache/kafka/commit/de16dd103af93bb68a329987ff19469941f85cbc
> > > >
> > > > Thanks,
> > > > Mickael
> > > >
> > > > On Fri, Aug 29, 2025 at 12:54 PM Paolo Patierno
> > > > <pa...@gmail.com> wrote:
> > > > >
> > > > > We ran all regression tests with Strimzi and everything looks good.
> > > > >
> > > > > +1 (non binding)
> > > > >
> > > > > Thanks,
> > > > > Paolo
> > > > >
> > > > > On Wed, 27 Aug 2025 at 14:39, Mickael Maison <
> mickael.maison@gmail.com
> > > >
> > > > > wrote:
> > > > >
> > > > > > Hello Kafka users, developers and client-developers,
> > > > > >
> > > > > > This is the 4th 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-rc3/RELEASE_NOTES.html
> > > > > >
> > > > > > *** Please download, test and vote by Monday September 1
> > > > > >
> > > > > > 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-rc3/
> > > > > >
> > > > > > * Docker release artifacts to be voted upon:
> > > > > > apache/kafka:4.1.0-rc3
> > > > > > apache/kafka-native:4.1.0-rc3
> > > > > >
> > > > > > * 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-rc3/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-rc3
> > > > > >
> > > > > > * Documentation:
> > > > > > https://kafka.apache.org/41/documentation.html
> > > > > > PR (https://github.com/apache/kafka-site/pull/702) updated for
> RC3
> > > is
> > > > > > not merged yet
> > > > > >
> > > > > > * Protocol:
> > > > > > https://kafka.apache.org/41/protocol.html
> > > > > > PR (https://github.com/apache/kafka-site/pull/702) updated for
> RC3
> > > is
> > > > > > not merged yet
> > > > > >
> > > > > > * Successful CI builds for the 4.1 branch:
> > > > > > Unit/integration tests:
> > > > > > https://github.com/apache/kafka/actions/runs/17263427471
> > > > > > 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/17263452575
> > > > > > Docker Build Test Pipeline (Native):
> > > > > > https://github.com/apache/kafka/actions/runs/17263456887
> > > > > >
> > > > > > Thanks,
> > > > > > Mickael
> > > > > >
> > > > >
> > > > >
> > > > > --
> > > > > Paolo Patierno
> > > > >
> > > > > *Senior Principal Software Engineer @ IBM**CNCF Ambassador*
> > > > >
> > > > > Twitter : @ppatierno <http://twitter.com/ppatierno>
> > > > > Linkedin : paolopatierno <http://it.linkedin.com/in/paolopatierno>
> > > > > GitHub : ppatierno <https://github.com/ppatierno>
> > > >
> > >
>
Re: [VOTE] 4.1.0 RC3
Posted by Kuan-Po Tseng <br...@gmail.com>.
Hi Mickael,
I did the following:
- Built from source with Java 23 zulu
- Validated all checksums and signatures
- Ran unit tests&integration tests
- Ran quick-start for streams with kafka-native 4.1.0-rc3 image
- Ran instructions with dynamic voter set
- Skimmed the rc3 doc
I noticed that the documentation for the dynamic voter set needs to be
updated.
I’ve already opened a PR for this:
https://github.com/apache/kafka-site/pull/713
<https://github.com/apache/kafka-site/pull/713?utm_source=chatgpt.com>.
It would be great if we could get this merged before the 4.1.0 release.
+1 (non-binding)
Thanks,
Kuan-Po Tseng
On Sat, Aug 30, 2025 at 4:03 AM Mickael Maison <mi...@gmail.com>
wrote:
> Hi Justine,
>
> Yes this is a known issue, tracked in
> https://issues.apache.org/jira/browse/KAFKA-18973
>
> Thanks,
> Mickael
>
> On Fri, Aug 29, 2025 at 8:44 PM Justine Olshan
> <jo...@confluent.io.invalid> wrote:
> >
> > Hi Mickael,
> >
> > I've done the following:
> > - built from source with Java 21
> > - Validated checksums and signatures
> > - Ran unit tests (interestly one test fails because it requires the test
> to
> > be run in a git repo, but I don't think this is a blocker)
> > - I quickly checked the diff between rc2 and rc3
> > - Quick peek at the documentation and other artifacts
> >
> > +1 (binding)
> >
> > Thanks,
> > Justine
> >
> > On Fri, Aug 29, 2025 at 10:18 AM Bill Bejeck <bb...@apache.org> wrote:
> >
> > > Hi Mickael,
> > >
> > > I did the following:
> > >
> > > - Built from source with Java 17
> > > - Validated all checksums and signatures
> > > - Ran unit tests
> > > - Spot checked the docs and java doc
> > > - Ran the broker quickstarts including the docker images
> > > - Ran the Kafka Streams quickstart
> > > - Used classic and the new streams mode
> > > - Ran through the instructions for the Early access of the Streams
> > > Rebalance Protocol
> > >
> > > +1(binding)
> > >
> > > Thanks,
> > > Bill
> > >
> > > On Fri, Aug 29, 2025 at 12:36 PM Mickael Maison <
> mickael.maison@gmail.com>
> > > wrote:
> > >
> > > > Hi,
> > > >
> > > > The docs PR has been merged so the documentation and protocol for
> 4.1 are
> > > > up:
> > > > - https://kafka.apache.org/41/documentation.html
> > > > - https://kafka.apache.org/41/protocol.html
> > > >
> > > > The system tests have completed.
> > > > I still got the network_degrade_test failure (tracked by
> > > > https://issues.apache.org/jira/browse/KAFKA-19549).
> > > > Also I reverted by mistake the temporary fix [0] I had made to the
> 4.1
> > > > branch for https://issues.apache.org/jira/browse/KAFKA-19581, so the
> > > > Streams upgrade tests failed in the results, but they pass locally.
> > > > - Core:
> > > >
> > >
> https://drive.google.com/file/d/1-XdhozO1t78vWW4z127lweNa45DiYbmd/view?usp=drive_link
> > > > - Non core:
> > > >
> > >
> https://drive.google.com/file/d/1BLydIgKGBsV6B0UtnKJMNKNwAgz0ABGy/view?usp=drive_link
> > > >
> > > > 0:
> > > >
> > >
> https://github.com/apache/kafka/commit/de16dd103af93bb68a329987ff19469941f85cbc
> > > >
> > > > Thanks,
> > > > Mickael
> > > >
> > > > On Fri, Aug 29, 2025 at 12:54 PM Paolo Patierno
> > > > <pa...@gmail.com> wrote:
> > > > >
> > > > > We ran all regression tests with Strimzi and everything looks good.
> > > > >
> > > > > +1 (non binding)
> > > > >
> > > > > Thanks,
> > > > > Paolo
> > > > >
> > > > > On Wed, 27 Aug 2025 at 14:39, Mickael Maison <
> mickael.maison@gmail.com
> > > >
> > > > > wrote:
> > > > >
> > > > > > Hello Kafka users, developers and client-developers,
> > > > > >
> > > > > > This is the 4th 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-rc3/RELEASE_NOTES.html
> > > > > >
> > > > > > *** Please download, test and vote by Monday September 1
> > > > > >
> > > > > > 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-rc3/
> > > > > >
> > > > > > * Docker release artifacts to be voted upon:
> > > > > > apache/kafka:4.1.0-rc3
> > > > > > apache/kafka-native:4.1.0-rc3
> > > > > >
> > > > > > * 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-rc3/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-rc3
> > > > > >
> > > > > > * Documentation:
> > > > > > https://kafka.apache.org/41/documentation.html
> > > > > > PR (https://github.com/apache/kafka-site/pull/702) updated for
> RC3
> > > is
> > > > > > not merged yet
> > > > > >
> > > > > > * Protocol:
> > > > > > https://kafka.apache.org/41/protocol.html
> > > > > > PR (https://github.com/apache/kafka-site/pull/702) updated for
> RC3
> > > is
> > > > > > not merged yet
> > > > > >
> > > > > > * Successful CI builds for the 4.1 branch:
> > > > > > Unit/integration tests:
> > > > > > https://github.com/apache/kafka/actions/runs/17263427471
> > > > > > 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/17263452575
> > > > > > Docker Build Test Pipeline (Native):
> > > > > > https://github.com/apache/kafka/actions/runs/17263456887
> > > > > >
> > > > > > Thanks,
> > > > > > Mickael
> > > > > >
> > > > >
> > > > >
> > > > > --
> > > > > Paolo Patierno
> > > > >
> > > > > *Senior Principal Software Engineer @ IBM**CNCF Ambassador*
> > > > >
> > > > > Twitter : @ppatierno <http://twitter.com/ppatierno>
> > > > > Linkedin : paolopatierno <http://it.linkedin.com/in/paolopatierno>
> > > > > GitHub : ppatierno <https://github.com/ppatierno>
> > > >
> > >
>
Re: [VOTE] 4.1.0 RC3
Posted by Mickael Maison <mi...@gmail.com>.
Hi Justine,
Yes this is a known issue, tracked in
https://issues.apache.org/jira/browse/KAFKA-18973
Thanks,
Mickael
On Fri, Aug 29, 2025 at 8:44 PM Justine Olshan
<jo...@confluent.io.invalid> wrote:
>
> Hi Mickael,
>
> I've done the following:
> - built from source with Java 21
> - Validated checksums and signatures
> - Ran unit tests (interestly one test fails because it requires the test to
> be run in a git repo, but I don't think this is a blocker)
> - I quickly checked the diff between rc2 and rc3
> - Quick peek at the documentation and other artifacts
>
> +1 (binding)
>
> Thanks,
> Justine
>
> On Fri, Aug 29, 2025 at 10:18 AM Bill Bejeck <bb...@apache.org> wrote:
>
> > Hi Mickael,
> >
> > I did the following:
> >
> > - Built from source with Java 17
> > - Validated all checksums and signatures
> > - Ran unit tests
> > - Spot checked the docs and java doc
> > - Ran the broker quickstarts including the docker images
> > - Ran the Kafka Streams quickstart
> > - Used classic and the new streams mode
> > - Ran through the instructions for the Early access of the Streams
> > Rebalance Protocol
> >
> > +1(binding)
> >
> > Thanks,
> > Bill
> >
> > On Fri, Aug 29, 2025 at 12:36 PM Mickael Maison <mi...@gmail.com>
> > wrote:
> >
> > > Hi,
> > >
> > > The docs PR has been merged so the documentation and protocol for 4.1 are
> > > up:
> > > - https://kafka.apache.org/41/documentation.html
> > > - https://kafka.apache.org/41/protocol.html
> > >
> > > The system tests have completed.
> > > I still got the network_degrade_test failure (tracked by
> > > https://issues.apache.org/jira/browse/KAFKA-19549).
> > > Also I reverted by mistake the temporary fix [0] I had made to the 4.1
> > > branch for https://issues.apache.org/jira/browse/KAFKA-19581, so the
> > > Streams upgrade tests failed in the results, but they pass locally.
> > > - Core:
> > >
> > https://drive.google.com/file/d/1-XdhozO1t78vWW4z127lweNa45DiYbmd/view?usp=drive_link
> > > - Non core:
> > >
> > https://drive.google.com/file/d/1BLydIgKGBsV6B0UtnKJMNKNwAgz0ABGy/view?usp=drive_link
> > >
> > > 0:
> > >
> > https://github.com/apache/kafka/commit/de16dd103af93bb68a329987ff19469941f85cbc
> > >
> > > Thanks,
> > > Mickael
> > >
> > > On Fri, Aug 29, 2025 at 12:54 PM Paolo Patierno
> > > <pa...@gmail.com> wrote:
> > > >
> > > > We ran all regression tests with Strimzi and everything looks good.
> > > >
> > > > +1 (non binding)
> > > >
> > > > Thanks,
> > > > Paolo
> > > >
> > > > On Wed, 27 Aug 2025 at 14:39, Mickael Maison <mickael.maison@gmail.com
> > >
> > > > wrote:
> > > >
> > > > > Hello Kafka users, developers and client-developers,
> > > > >
> > > > > This is the 4th 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-rc3/RELEASE_NOTES.html
> > > > >
> > > > > *** Please download, test and vote by Monday September 1
> > > > >
> > > > > 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-rc3/
> > > > >
> > > > > * Docker release artifacts to be voted upon:
> > > > > apache/kafka:4.1.0-rc3
> > > > > apache/kafka-native:4.1.0-rc3
> > > > >
> > > > > * 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-rc3/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-rc3
> > > > >
> > > > > * Documentation:
> > > > > https://kafka.apache.org/41/documentation.html
> > > > > PR (https://github.com/apache/kafka-site/pull/702) updated for RC3
> > is
> > > > > not merged yet
> > > > >
> > > > > * Protocol:
> > > > > https://kafka.apache.org/41/protocol.html
> > > > > PR (https://github.com/apache/kafka-site/pull/702) updated for RC3
> > is
> > > > > not merged yet
> > > > >
> > > > > * Successful CI builds for the 4.1 branch:
> > > > > Unit/integration tests:
> > > > > https://github.com/apache/kafka/actions/runs/17263427471
> > > > > 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/17263452575
> > > > > Docker Build Test Pipeline (Native):
> > > > > https://github.com/apache/kafka/actions/runs/17263456887
> > > > >
> > > > > Thanks,
> > > > > Mickael
> > > > >
> > > >
> > > >
> > > > --
> > > > Paolo Patierno
> > > >
> > > > *Senior Principal Software Engineer @ IBM**CNCF Ambassador*
> > > >
> > > > Twitter : @ppatierno <http://twitter.com/ppatierno>
> > > > Linkedin : paolopatierno <http://it.linkedin.com/in/paolopatierno>
> > > > GitHub : ppatierno <https://github.com/ppatierno>
> > >
> >
Re: [VOTE] 4.1.0 RC3
Posted by Justine Olshan <jo...@confluent.io.INVALID>.
Hi Mickael,
I've done the following:
- built from source with Java 21
- Validated checksums and signatures
- Ran unit tests (interestly one test fails because it requires the test to
be run in a git repo, but I don't think this is a blocker)
- I quickly checked the diff between rc2 and rc3
- Quick peek at the documentation and other artifacts
+1 (binding)
Thanks,
Justine
On Fri, Aug 29, 2025 at 10:18 AM Bill Bejeck <bb...@apache.org> wrote:
> Hi Mickael,
>
> I did the following:
>
> - Built from source with Java 17
> - Validated all checksums and signatures
> - Ran unit tests
> - Spot checked the docs and java doc
> - Ran the broker quickstarts including the docker images
> - Ran the Kafka Streams quickstart
> - Used classic and the new streams mode
> - Ran through the instructions for the Early access of the Streams
> Rebalance Protocol
>
> +1(binding)
>
> Thanks,
> Bill
>
> On Fri, Aug 29, 2025 at 12:36 PM Mickael Maison <mi...@gmail.com>
> wrote:
>
> > Hi,
> >
> > The docs PR has been merged so the documentation and protocol for 4.1 are
> > up:
> > - https://kafka.apache.org/41/documentation.html
> > - https://kafka.apache.org/41/protocol.html
> >
> > The system tests have completed.
> > I still got the network_degrade_test failure (tracked by
> > https://issues.apache.org/jira/browse/KAFKA-19549).
> > Also I reverted by mistake the temporary fix [0] I had made to the 4.1
> > branch for https://issues.apache.org/jira/browse/KAFKA-19581, so the
> > Streams upgrade tests failed in the results, but they pass locally.
> > - Core:
> >
> https://drive.google.com/file/d/1-XdhozO1t78vWW4z127lweNa45DiYbmd/view?usp=drive_link
> > - Non core:
> >
> https://drive.google.com/file/d/1BLydIgKGBsV6B0UtnKJMNKNwAgz0ABGy/view?usp=drive_link
> >
> > 0:
> >
> https://github.com/apache/kafka/commit/de16dd103af93bb68a329987ff19469941f85cbc
> >
> > Thanks,
> > Mickael
> >
> > On Fri, Aug 29, 2025 at 12:54 PM Paolo Patierno
> > <pa...@gmail.com> wrote:
> > >
> > > We ran all regression tests with Strimzi and everything looks good.
> > >
> > > +1 (non binding)
> > >
> > > Thanks,
> > > Paolo
> > >
> > > On Wed, 27 Aug 2025 at 14:39, Mickael Maison <mickael.maison@gmail.com
> >
> > > wrote:
> > >
> > > > Hello Kafka users, developers and client-developers,
> > > >
> > > > This is the 4th 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-rc3/RELEASE_NOTES.html
> > > >
> > > > *** Please download, test and vote by Monday September 1
> > > >
> > > > 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-rc3/
> > > >
> > > > * Docker release artifacts to be voted upon:
> > > > apache/kafka:4.1.0-rc3
> > > > apache/kafka-native:4.1.0-rc3
> > > >
> > > > * 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-rc3/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-rc3
> > > >
> > > > * Documentation:
> > > > https://kafka.apache.org/41/documentation.html
> > > > PR (https://github.com/apache/kafka-site/pull/702) updated for RC3
> is
> > > > not merged yet
> > > >
> > > > * Protocol:
> > > > https://kafka.apache.org/41/protocol.html
> > > > PR (https://github.com/apache/kafka-site/pull/702) updated for RC3
> is
> > > > not merged yet
> > > >
> > > > * Successful CI builds for the 4.1 branch:
> > > > Unit/integration tests:
> > > > https://github.com/apache/kafka/actions/runs/17263427471
> > > > 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/17263452575
> > > > Docker Build Test Pipeline (Native):
> > > > https://github.com/apache/kafka/actions/runs/17263456887
> > > >
> > > > Thanks,
> > > > Mickael
> > > >
> > >
> > >
> > > --
> > > Paolo Patierno
> > >
> > > *Senior Principal Software Engineer @ IBM**CNCF Ambassador*
> > >
> > > Twitter : @ppatierno <http://twitter.com/ppatierno>
> > > Linkedin : paolopatierno <http://it.linkedin.com/in/paolopatierno>
> > > GitHub : ppatierno <https://github.com/ppatierno>
> >
>
Re: [VOTE] 4.1.0 RC3
Posted by Bill Bejeck <bb...@apache.org>.
Hi Mickael,
I did the following:
- Built from source with Java 17
- Validated all checksums and signatures
- Ran unit tests
- Spot checked the docs and java doc
- Ran the broker quickstarts including the docker images
- Ran the Kafka Streams quickstart
- Used classic and the new streams mode
- Ran through the instructions for the Early access of the Streams
Rebalance Protocol
+1(binding)
Thanks,
Bill
On Fri, Aug 29, 2025 at 12:36 PM Mickael Maison <mi...@gmail.com>
wrote:
> Hi,
>
> The docs PR has been merged so the documentation and protocol for 4.1 are
> up:
> - https://kafka.apache.org/41/documentation.html
> - https://kafka.apache.org/41/protocol.html
>
> The system tests have completed.
> I still got the network_degrade_test failure (tracked by
> https://issues.apache.org/jira/browse/KAFKA-19549).
> Also I reverted by mistake the temporary fix [0] I had made to the 4.1
> branch for https://issues.apache.org/jira/browse/KAFKA-19581, so the
> Streams upgrade tests failed in the results, but they pass locally.
> - Core:
> https://drive.google.com/file/d/1-XdhozO1t78vWW4z127lweNa45DiYbmd/view?usp=drive_link
> - Non core:
> https://drive.google.com/file/d/1BLydIgKGBsV6B0UtnKJMNKNwAgz0ABGy/view?usp=drive_link
>
> 0:
> https://github.com/apache/kafka/commit/de16dd103af93bb68a329987ff19469941f85cbc
>
> Thanks,
> Mickael
>
> On Fri, Aug 29, 2025 at 12:54 PM Paolo Patierno
> <pa...@gmail.com> wrote:
> >
> > We ran all regression tests with Strimzi and everything looks good.
> >
> > +1 (non binding)
> >
> > Thanks,
> > Paolo
> >
> > On Wed, 27 Aug 2025 at 14:39, Mickael Maison <mi...@gmail.com>
> > wrote:
> >
> > > Hello Kafka users, developers and client-developers,
> > >
> > > This is the 4th 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-rc3/RELEASE_NOTES.html
> > >
> > > *** Please download, test and vote by Monday September 1
> > >
> > > 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-rc3/
> > >
> > > * Docker release artifacts to be voted upon:
> > > apache/kafka:4.1.0-rc3
> > > apache/kafka-native:4.1.0-rc3
> > >
> > > * 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-rc3/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-rc3
> > >
> > > * Documentation:
> > > https://kafka.apache.org/41/documentation.html
> > > PR (https://github.com/apache/kafka-site/pull/702) updated for RC3 is
> > > not merged yet
> > >
> > > * Protocol:
> > > https://kafka.apache.org/41/protocol.html
> > > PR (https://github.com/apache/kafka-site/pull/702) updated for RC3 is
> > > not merged yet
> > >
> > > * Successful CI builds for the 4.1 branch:
> > > Unit/integration tests:
> > > https://github.com/apache/kafka/actions/runs/17263427471
> > > 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/17263452575
> > > Docker Build Test Pipeline (Native):
> > > https://github.com/apache/kafka/actions/runs/17263456887
> > >
> > > Thanks,
> > > Mickael
> > >
> >
> >
> > --
> > Paolo Patierno
> >
> > *Senior Principal Software Engineer @ IBM**CNCF Ambassador*
> >
> > Twitter : @ppatierno <http://twitter.com/ppatierno>
> > Linkedin : paolopatierno <http://it.linkedin.com/in/paolopatierno>
> > GitHub : ppatierno <https://github.com/ppatierno>
>
Re: [VOTE] 4.1.0 RC3
Posted by Bill Bejeck <bb...@apache.org>.
Hi Mickael,
I did the following:
- Built from source with Java 17
- Validated all checksums and signatures
- Ran unit tests
- Spot checked the docs and java doc
- Ran the broker quickstarts including the docker images
- Ran the Kafka Streams quickstart
- Used classic and the new streams mode
- Ran through the instructions for the Early access of the Streams
Rebalance Protocol
+1(binding)
Thanks,
Bill
On Fri, Aug 29, 2025 at 12:36 PM Mickael Maison <mi...@gmail.com>
wrote:
> Hi,
>
> The docs PR has been merged so the documentation and protocol for 4.1 are
> up:
> - https://kafka.apache.org/41/documentation.html
> - https://kafka.apache.org/41/protocol.html
>
> The system tests have completed.
> I still got the network_degrade_test failure (tracked by
> https://issues.apache.org/jira/browse/KAFKA-19549).
> Also I reverted by mistake the temporary fix [0] I had made to the 4.1
> branch for https://issues.apache.org/jira/browse/KAFKA-19581, so the
> Streams upgrade tests failed in the results, but they pass locally.
> - Core:
> https://drive.google.com/file/d/1-XdhozO1t78vWW4z127lweNa45DiYbmd/view?usp=drive_link
> - Non core:
> https://drive.google.com/file/d/1BLydIgKGBsV6B0UtnKJMNKNwAgz0ABGy/view?usp=drive_link
>
> 0:
> https://github.com/apache/kafka/commit/de16dd103af93bb68a329987ff19469941f85cbc
>
> Thanks,
> Mickael
>
> On Fri, Aug 29, 2025 at 12:54 PM Paolo Patierno
> <pa...@gmail.com> wrote:
> >
> > We ran all regression tests with Strimzi and everything looks good.
> >
> > +1 (non binding)
> >
> > Thanks,
> > Paolo
> >
> > On Wed, 27 Aug 2025 at 14:39, Mickael Maison <mi...@gmail.com>
> > wrote:
> >
> > > Hello Kafka users, developers and client-developers,
> > >
> > > This is the 4th 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-rc3/RELEASE_NOTES.html
> > >
> > > *** Please download, test and vote by Monday September 1
> > >
> > > 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-rc3/
> > >
> > > * Docker release artifacts to be voted upon:
> > > apache/kafka:4.1.0-rc3
> > > apache/kafka-native:4.1.0-rc3
> > >
> > > * 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-rc3/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-rc3
> > >
> > > * Documentation:
> > > https://kafka.apache.org/41/documentation.html
> > > PR (https://github.com/apache/kafka-site/pull/702) updated for RC3 is
> > > not merged yet
> > >
> > > * Protocol:
> > > https://kafka.apache.org/41/protocol.html
> > > PR (https://github.com/apache/kafka-site/pull/702) updated for RC3 is
> > > not merged yet
> > >
> > > * Successful CI builds for the 4.1 branch:
> > > Unit/integration tests:
> > > https://github.com/apache/kafka/actions/runs/17263427471
> > > 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/17263452575
> > > Docker Build Test Pipeline (Native):
> > > https://github.com/apache/kafka/actions/runs/17263456887
> > >
> > > Thanks,
> > > Mickael
> > >
> >
> >
> > --
> > Paolo Patierno
> >
> > *Senior Principal Software Engineer @ IBM**CNCF Ambassador*
> >
> > Twitter : @ppatierno <http://twitter.com/ppatierno>
> > Linkedin : paolopatierno <http://it.linkedin.com/in/paolopatierno>
> > GitHub : ppatierno <https://github.com/ppatierno>
>
Re: [VOTE] 4.1.0 RC3
Posted by Mickael Maison <mi...@gmail.com>.
Hi,
The docs PR has been merged so the documentation and protocol for 4.1 are up:
- https://kafka.apache.org/41/documentation.html
- https://kafka.apache.org/41/protocol.html
The system tests have completed.
I still got the network_degrade_test failure (tracked by
https://issues.apache.org/jira/browse/KAFKA-19549).
Also I reverted by mistake the temporary fix [0] I had made to the 4.1
branch for https://issues.apache.org/jira/browse/KAFKA-19581, so the
Streams upgrade tests failed in the results, but they pass locally.
- Core: https://drive.google.com/file/d/1-XdhozO1t78vWW4z127lweNa45DiYbmd/view?usp=drive_link
- Non core: https://drive.google.com/file/d/1BLydIgKGBsV6B0UtnKJMNKNwAgz0ABGy/view?usp=drive_link
0: https://github.com/apache/kafka/commit/de16dd103af93bb68a329987ff19469941f85cbc
Thanks,
Mickael
On Fri, Aug 29, 2025 at 12:54 PM Paolo Patierno
<pa...@gmail.com> wrote:
>
> We ran all regression tests with Strimzi and everything looks good.
>
> +1 (non binding)
>
> Thanks,
> Paolo
>
> On Wed, 27 Aug 2025 at 14:39, Mickael Maison <mi...@gmail.com>
> wrote:
>
> > Hello Kafka users, developers and client-developers,
> >
> > This is the 4th 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-rc3/RELEASE_NOTES.html
> >
> > *** Please download, test and vote by Monday September 1
> >
> > 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-rc3/
> >
> > * Docker release artifacts to be voted upon:
> > apache/kafka:4.1.0-rc3
> > apache/kafka-native:4.1.0-rc3
> >
> > * 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-rc3/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-rc3
> >
> > * Documentation:
> > https://kafka.apache.org/41/documentation.html
> > PR (https://github.com/apache/kafka-site/pull/702) updated for RC3 is
> > not merged yet
> >
> > * Protocol:
> > https://kafka.apache.org/41/protocol.html
> > PR (https://github.com/apache/kafka-site/pull/702) updated for RC3 is
> > not merged yet
> >
> > * Successful CI builds for the 4.1 branch:
> > Unit/integration tests:
> > https://github.com/apache/kafka/actions/runs/17263427471
> > 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/17263452575
> > Docker Build Test Pipeline (Native):
> > https://github.com/apache/kafka/actions/runs/17263456887
> >
> > Thanks,
> > Mickael
> >
>
>
> --
> Paolo Patierno
>
> *Senior Principal Software Engineer @ IBM**CNCF Ambassador*
>
> Twitter : @ppatierno <http://twitter.com/ppatierno>
> Linkedin : paolopatierno <http://it.linkedin.com/in/paolopatierno>
> GitHub : ppatierno <https://github.com/ppatierno>
Re: [VOTE] 4.1.0 RC3
Posted by Mickael Maison <mi...@gmail.com>.
Hi,
The docs PR has been merged so the documentation and protocol for 4.1 are up:
- https://kafka.apache.org/41/documentation.html
- https://kafka.apache.org/41/protocol.html
The system tests have completed.
I still got the network_degrade_test failure (tracked by
https://issues.apache.org/jira/browse/KAFKA-19549).
Also I reverted by mistake the temporary fix [0] I had made to the 4.1
branch for https://issues.apache.org/jira/browse/KAFKA-19581, so the
Streams upgrade tests failed in the results, but they pass locally.
- Core: https://drive.google.com/file/d/1-XdhozO1t78vWW4z127lweNa45DiYbmd/view?usp=drive_link
- Non core: https://drive.google.com/file/d/1BLydIgKGBsV6B0UtnKJMNKNwAgz0ABGy/view?usp=drive_link
0: https://github.com/apache/kafka/commit/de16dd103af93bb68a329987ff19469941f85cbc
Thanks,
Mickael
On Fri, Aug 29, 2025 at 12:54 PM Paolo Patierno
<pa...@gmail.com> wrote:
>
> We ran all regression tests with Strimzi and everything looks good.
>
> +1 (non binding)
>
> Thanks,
> Paolo
>
> On Wed, 27 Aug 2025 at 14:39, Mickael Maison <mi...@gmail.com>
> wrote:
>
> > Hello Kafka users, developers and client-developers,
> >
> > This is the 4th 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-rc3/RELEASE_NOTES.html
> >
> > *** Please download, test and vote by Monday September 1
> >
> > 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-rc3/
> >
> > * Docker release artifacts to be voted upon:
> > apache/kafka:4.1.0-rc3
> > apache/kafka-native:4.1.0-rc3
> >
> > * 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-rc3/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-rc3
> >
> > * Documentation:
> > https://kafka.apache.org/41/documentation.html
> > PR (https://github.com/apache/kafka-site/pull/702) updated for RC3 is
> > not merged yet
> >
> > * Protocol:
> > https://kafka.apache.org/41/protocol.html
> > PR (https://github.com/apache/kafka-site/pull/702) updated for RC3 is
> > not merged yet
> >
> > * Successful CI builds for the 4.1 branch:
> > Unit/integration tests:
> > https://github.com/apache/kafka/actions/runs/17263427471
> > 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/17263452575
> > Docker Build Test Pipeline (Native):
> > https://github.com/apache/kafka/actions/runs/17263456887
> >
> > Thanks,
> > Mickael
> >
>
>
> --
> Paolo Patierno
>
> *Senior Principal Software Engineer @ IBM**CNCF Ambassador*
>
> Twitter : @ppatierno <http://twitter.com/ppatierno>
> Linkedin : paolopatierno <http://it.linkedin.com/in/paolopatierno>
> GitHub : ppatierno <https://github.com/ppatierno>
Re: [VOTE] 4.1.0 RC3
Posted by Paolo Patierno <pa...@gmail.com>.
We ran all regression tests with Strimzi and everything looks good.
+1 (non binding)
Thanks,
Paolo
On Wed, 27 Aug 2025 at 14:39, Mickael Maison <mi...@gmail.com>
wrote:
> Hello Kafka users, developers and client-developers,
>
> This is the 4th 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-rc3/RELEASE_NOTES.html
>
> *** Please download, test and vote by Monday September 1
>
> 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-rc3/
>
> * Docker release artifacts to be voted upon:
> apache/kafka:4.1.0-rc3
> apache/kafka-native:4.1.0-rc3
>
> * 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-rc3/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-rc3
>
> * Documentation:
> https://kafka.apache.org/41/documentation.html
> PR (https://github.com/apache/kafka-site/pull/702) updated for RC3 is
> not merged yet
>
> * Protocol:
> https://kafka.apache.org/41/protocol.html
> PR (https://github.com/apache/kafka-site/pull/702) updated for RC3 is
> not merged yet
>
> * Successful CI builds for the 4.1 branch:
> Unit/integration tests:
> https://github.com/apache/kafka/actions/runs/17263427471
> 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/17263452575
> Docker Build Test Pipeline (Native):
> https://github.com/apache/kafka/actions/runs/17263456887
>
> Thanks,
> Mickael
>
--
Paolo Patierno
*Senior Principal Software Engineer @ IBM**CNCF Ambassador*
Twitter : @ppatierno <http://twitter.com/ppatierno>
Linkedin : paolopatierno <http://it.linkedin.com/in/paolopatierno>
GitHub : ppatierno <https://github.com/ppatierno>
Re: [VOTE] 4.1.0 RC3
Posted by Paolo Patierno <pa...@gmail.com>.
We ran all regression tests with Strimzi and everything looks good.
+1 (non binding)
Thanks,
Paolo
On Wed, 27 Aug 2025 at 14:39, Mickael Maison <mi...@gmail.com>
wrote:
> Hello Kafka users, developers and client-developers,
>
> This is the 4th 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-rc3/RELEASE_NOTES.html
>
> *** Please download, test and vote by Monday September 1
>
> 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-rc3/
>
> * Docker release artifacts to be voted upon:
> apache/kafka:4.1.0-rc3
> apache/kafka-native:4.1.0-rc3
>
> * 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-rc3/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-rc3
>
> * Documentation:
> https://kafka.apache.org/41/documentation.html
> PR (https://github.com/apache/kafka-site/pull/702) updated for RC3 is
> not merged yet
>
> * Protocol:
> https://kafka.apache.org/41/protocol.html
> PR (https://github.com/apache/kafka-site/pull/702) updated for RC3 is
> not merged yet
>
> * Successful CI builds for the 4.1 branch:
> Unit/integration tests:
> https://github.com/apache/kafka/actions/runs/17263427471
> 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/17263452575
> Docker Build Test Pipeline (Native):
> https://github.com/apache/kafka/actions/runs/17263456887
>
> Thanks,
> Mickael
>
--
Paolo Patierno
*Senior Principal Software Engineer @ IBM**CNCF Ambassador*
Twitter : @ppatierno <http://twitter.com/ppatierno>
Linkedin : paolopatierno <http://it.linkedin.com/in/paolopatierno>
GitHub : ppatierno <https://github.com/ppatierno>