Hi,

Quick update on the status of 4.3.0.
We still have a bunch of open issues:
https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=406620771#ReleasePlan4.3.0-OpenIssues
They pretty much all have open PRs. Committers please help review them.

Thanks,
Mickael

On Thu, Apr 16, 2026 at 1:55 AM Matthias J. Sax <[email protected]> wrote:
>
> We found a blocker for Kafka Streams in our soak test. Introduced with
> KIP-1271.
>
> We already have a fix (it's just a one-liner plus a new test):
> https://github.com/apache/kafka/pull/22068 Didn't file a blocker ticket;
> do we need one?
>
>
> -Matthias
>
> On 4/15/26 3:14 PM, Bill Bejeck wrote:
> > Hi All,
> >
> > I think a community member may have found a regression from KIP-1035.
> > I've file a blocker https://issues.apache.org/jira/browse/KAFKA-20456 and
> > the investigation is underway, I've asked for more information and I'll
> > update here later.
> >
> > Thanks,
> > Bill
> >
> > On Tue, Apr 14, 2026 at 2:03 PM Matthias J. Sax <[email protected]> wrote:
> >
> >> Thanks. Done.
> >>
> >> On 4/14/26 9:37 AM, Mickael Maison wrote:
> >>> Hi Matthias,
> >>>
> >>> Yes go ahead.
> >>>
> >>> Thanks,
> >>> Mickael
> >>>
> >>> On Tue, Apr 14, 2026 at 6:16 PM Chia-Ping Tsai <[email protected]>
> >> wrote:
> >>>>
> >>>> hi Micakel
> >>>>
> >>>> I've backported PR 22053 <https://github.com/apache/kafka/pull/22053>
> >> to
> >>>> the 4.3 branch, as PoAn mentioned earlier.
> >>>>
> >>>> Matthias J. Sax <[email protected]> 於 2026年4月15日週三 上午12:13寫道:
> >>>>
> >>>>> Hi,
> >>>>>
> >>>>> I just merged a small PR to fix some JavaDocs for KIP-1271 changes. Can
> >>>>> I cherry-pick it to 4.3 branch?
> >>>>>
> >>>>> https://github.com/apache/kafka/pull/22043
> >>>>>
> >>>>> -Matthias
> >>>>>
> >>>>> On 4/14/26 5:03 AM, Mickael Maison wrote:
> >>>>>> Hi PoAn,
> >>>>>>
> >>>>>> Yes we'll want to address these if possible.
> >>>>>> Scanners will also spot the plexus-utils CVE in the binaries. Even
> >>>>>> though looking at the code it's not exploitable.
> >>>>>>
> >>>>>> Thanks,
> >>>>>> Mickael
> >>>>>>
> >>>>>> On Tue, Apr 14, 2026 at 1:18 PM PoAn Yang <[email protected]> wrote:
> >>>>>>>
> >>>>>>> Hi Mickael,
> >>>>>>>
> >>>>>>> I built image for 4.2.1-rc0 and found three CVE. Do we also want to
> >> add
> >>>>> this to 4.3.0?
> >>>>>>>
> >>>>>>> Failed Docker Build Test CI:
> >>>>>>> JVM:
> >>>>>
> >> https://github.com/apache/kafka/actions/runs/24325917628/job/71021064066
> >>>>>>> Native:
> >>>>>
> >> https://github.com/apache/kafka/actions/runs/24333619117/job/71044984045
> >>>>>>>
> >>>>>>> JVM image: https://issues.apache.org/jira/browse/KAFKA-20373
> >>>>>>>
> >>>>>>> Native image:
> >>>>>>> https://issues.apache.org/jira/browse/KAFKA-20446
> >>>>>>> https://issues.apache.org/jira/browse/KAFKA-20447
> >>>>>>>
> >>>>>>> Thanks,
> >>>>>>> PoAn
> >>>>>>>
> >>>>>>>> On Apr 13, 2026, at 10:30 PM, Mickael Maison <
> >> [email protected]>
> >>>>> wrote:
> >>>>>>>>
> >>>>>>>> Hi PoAn,
> >>>>>>>>
> >>>>>>>> Yes having these changes in 4.3 would be useful.
> >>>>>>>>
> >>>>>>>> Thanks,
> >>>>>>>> Mickael
> >>>>>>>>
> >>>>>>>> On Mon, Apr 13, 2026 at 1:52 PM PoAn Yang <[email protected]>
> >> wrote:
> >>>>>>>>>
> >>>>>>>>> Hi Mickael,
> >>>>>>>>>
> >>>>>>>>> I have some PRs related to trivy action and release.py. Can I
> >>>>> backport them to 4.3 branch?
> >>>>>>>>>
> >>>>>>>>> 1. Change trivy action to approved one in
> >>>>> apache/infrastructure-actions.
> >>>>>>>>>
> >>>>>>>>>
> >>>>>
> >> https://github.com/apache/kafka/commit/eb6ce0e3d9c22ea1c34ecca293555f9fcad17981
> >>>>>>>>>
> >>>>>
> >> https://github.com/apache/kafka/commit/acd37fc30c5fdbbae772144c73b4f2c7e1c21d27
> >>>>>>>>>
> >>>>>>>>> 2. Update release.py to remove -SNAPSHOT in version.py, so we don’t
> >>>>> get error in StreamsUpgradeTest.test_app_upgrade e2e.
> >>>>>>>>>
> >>>>>>>>> https://github.com/apache/kafka/pull/22031
> >>>>>>>>>
> >>>>>>>>> Thanks,
> >>>>>>>>> PoAn
> >>>>>>>>>
> >>>>>>>>>> On Apr 11, 2026, at 10:55 PM, Lianet Magrans <[email protected]>
> >>>>> wrote:
> >>>>>>>>>>
> >>>>>>>>>> Hi Mickael,
> >>>>>>>>>>
> >>>>>>>>>> I just merged the fix for the recent blocker
> >>>>>>>>>> https://issues.apache.org/jira/browse/KAFKA-20428
> >>>>>>>>>>
> >>>>>>>>>> Thanks!
> >>>>>>>>>> Lianet
> >>>>>>>>>>
> >>>>>>>>>> On Fri, Apr 10, 2026 at 7:07 PM Matthias J. Sax <[email protected]
> >>>
> >>>>> wrote:
> >>>>>>>>>>
> >>>>>>>>>>> Thanks. PR got merged.
> >>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>>>>> -Matthias
> >>>>>>>>>>>
> >>>>>>>>>>> On 4/10/26 12:32 PM, Mickael Maison wrote:
> >>>>>>>>>>>> Hi Matthias,
> >>>>>>>>>>>>
> >>>>>>>>>>>> Yes let's revert that commit.
> >>>>>>>>>>>>
> >>>>>>>>>>>> Thanks,
> >>>>>>>>>>>> Mickael
> >>>>>>>>>>>>
> >>>>>>>>>>>> On Fri, Apr 10, 2026 at 8:43 PM Matthias J. Sax <
> >> [email protected]>
> >>>>>>>>>>> wrote:
> >>>>>>>>>>>>>
> >>>>>>>>>>>>> Hey Mickael,
> >>>>>>>>>>>>>
> >>>>>>>>>>>>> I just realized that we did merge a PR to trunk (before 4.3
> >>>>> branch cut)
> >>>>>>>>>>>>> to add a new config for KIP-1071, but we are still not using
> >> this
> >>>>>>>>>>>>> config. To avoid confusing users, I propose to revert this
> >> change
> >>>>> in
> >>>>>>>>>>>>> 4.3. Prepared a PR for its. Please let me know if that's ok to
> >>>>> merge.
> >>>>>>>>>>>>>
> >>>>>>>>>>>>> https://github.com/apache/kafka/pull/22020
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>>>>>> -Matthias
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>>>>>> On 3/30/26 11:22 AM, Justine Olshan via dev wrote:
> >>>>>>>>>>>>>> I'll be picking a small bugfix to 4.3 -- KAFKA-20310, just
> >>>>> missed the
> >>>>>>>>>>>>>> branch cut and it's a bugfix.
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>> On Mon, Mar 30, 2026 at 9:58 AM Matthias J. Sax <
> >>>>> [email protected]>
> >>>>>>>>>>> wrote:
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>>> I took the liberty to update the release wiki page, adding
> >>>>> KIP-1271 as
> >>>>>>>>>>>>>>> "completed" -- it was incorrectly listed as postponed.
> >>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>> The Jira ticket is still open, as we add more test etc, but
> >> the
> >>>>> KIP is
> >>>>>>>>>>>>>>> already completed.
> >>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>> -Matthias
> >>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>> On 3/30/26 9:25 AM, Mickael Maison wrote:
> >>>>>>>>>>>>>>>> Hi Jose,
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>> Yes you can apply that to 4.3.
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>> Thanks,
> >>>>>>>>>>>>>>>> Mickael
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>> On Mon, Mar 30, 2026 at 6:08 PM José Armando García Sancio
> >> via
> >>>>> dev
> >>>>>>>>>>>>>>>> <[email protected]> wrote:
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>> Hi Mickael,
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>> I merged KAFKA-19541 to the 4.3 branch as discussed
> >> earlier.
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>> I also just merged a bug fix (1) to trunk for the issue
> >>>>> KAFKA-19851
> >>>>>>>>>>>>>>>>> (2) introduced in the 4.0 release. Some users have
> >>>>> encountered this
> >>>>>>>>>>>>>>>>> issue. The workaround is to delete all configurations
> >> removed
> >>>>> by AK
> >>>>>>>>>>>>>>>>> 4.0. It would be nice to make this fix available in the 4.3
> >>>>> release.
> >>>>>>>>>>>>>>>>> What do you think?
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>> (1)
> >>>>>>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>
> >> https://github.com/apache/kafka/commit/a35d6492fbf8068cdb025419178434cbae3a991b
> >>>>>>>>>>>>>>>>> (2) https://issues.apache.org/jira/browse/KAFKA-19851
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>> Thanks,
> >>>>>>>>>>>>>>>>> --
> >>>>>>>>>>>>>>>>> -José
> >>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>>>
> >>>>>>>
> >>>>>
> >>>>>
> >>
> >>
> >
>

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