Hi Chia-Ping, I'm about to announce 4.3.0 RC0 but we still have 1 known blocker (KAFKA-20441) and a couple of doc updates pending so there will be another RC.
If there's a blocker or an important fix to backport, it's still possible. Thanks, Mickael On Tue, Apr 28, 2026 at 3:28 PM Chia-Ping Tsai <[email protected]> wrote: > > hi Mickael > > Sorry for the delay on KAFKA-20426. Did we miss the boat for the 4.3 release? > If so, we're fine with waiting for the next one :) > > Best, > Chia-Ping > > On 2026/04/22 09:03:16 Mickael Maison wrote: > > Hi Matthias, > > > > No objections, you can go ahead. > > > > Thanks, > > Mickael > > > > On Wed, Apr 22, 2026 at 12:57 AM Matthias J. Sax <[email protected]> wrote: > > > > > > Any objections to cherry-pick https://github.com/apache/kafka/pull/22002 > > > (adds a new test for KIP-1285) to 4.3 branch? > > > > > > > > > -Matthias > > > > > > On 4/17/26 2:10 PM, Matthias J. Sax wrote: > > > > Thanks. Done. > > > > > > > > On 4/17/26 9:15 AM, Mickael Maison wrote: > > > >> Hi Matthias, > > > >> > > > >> Yes please backport the fix to 4.3 as well. > > > >> We probably don't need a Jira as it's about KIP-1271 which is not > > > >> released yet. > > > >> > > > >> Thanks, > > > >> Mickael > > > >> > > > >> On Fri, Apr 17, 2026 at 3:51 PM Mickael Maison > > > >> <[email protected]> wrote: > > > >>> > > > >>> 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 > > > >>>>>>>>>>>>>>>>>>> > > > >>>>>>>>>>>>>>>>>>> > > > >>>>>>>>>>>>>>>>>> > > > >>>>>>>>>>>>>>>>> > > > >>>>>>>>>>>>>>> > > > >>>>>>>>>>>>>>> > > > >>>>>>>>>>>>> > > > >>>>>>>>>>> > > > >>>>>>>>> > > > >>>>>>>>> > > > >>>>>> > > > >>>>>> > > > >>>>> > > > >>>> > > > > > > > > >
