Thanks for the updates Mickael and David! Both jiras in the plan as
blockers.

Lianet

On Wed, Oct 8, 2025, 12:15 p.m. Mickael Maison <[email protected]>
wrote:

> Hi,
>
> Thanks Lianet for volunteering.
>
> Regarding the Connect issue, so far we've confirmed there's indeed a
> regression introduced in 4.1.0 regarding plugin loading.
> In the Jira [0] there is agreement on the expected behavior. I've
> started working on a fix.
>
> I'll update you once things have progressed.
>
> Thanks,
> Mickael
>
> 0: https://issues.apache.org/jira/browse/KAFKA-19758
>
> On Wed, Oct 8, 2025 at 9:32 AM David Jacot <[email protected]>
> wrote:
> >
> > Hi Lianet,
> >
> > Thanks for volunteering and the plan.
> >
> > I would like to get KAFKA-19760 in this release too. It is a nasty bug
> > which impacts the reliability of the group/share coordinators. The PR is
> > ready, it should be merged by the deadline.
> >
> > Best,
> > David
> >
> > On Wed, Oct 8, 2025 at 3:58 AM Lianet M. <[email protected]> wrote:
> >
> > > Hello,
> > >
> > > Based on the previous discussion, here is a proposal of release plan
> for
> > > 4.1.1
> > >
> > > https://cwiki.apache.org/confluence/display/KAFKA/Release+Plan+4.1.1
> > >
> > > Aiming for code freeze in a week from now, mainly to allow time to
> > > investigate the Connect  issue Mickael shared (
> > > https://issues.apache.org/jira/browse/KAFKA-19758), but still be able
> to
> > > ship this release as soon as possible. Note that there is also an open
> > > blocker but has a PR in review (I will follow-up with them)
> > >
> > > Let's wait to hear from Mickael, and we can adjust the target date if
> > > needed. Let me know if you have any thoughts in the meantime.
> > >
> > > Thanks!
> > >
> > > Lianet
> > >
> > >
> > > On Tue, Oct 7, 2025 at 1:09 PM Matthias J. Sax <[email protected]>
> wrote:
> > >
> > > > Any idea how much time you will need Mickael?
> > > >
> > > > Personally, I would like to move fast, and delaying the release for
> an
> > > > uncertain amount of time seems not desirable. We will do a 4.1.2
> release
> > > > for sure some time later.
> > > >
> > > > But I understand that it's a critical issue for Connect, so I agree
> that
> > > > it would be great to get into 4.1.1. (Or as a last resort, so a quick
> > > > 4.1.2 after you figured out a fix, in case you need more time...)
> > > >
> > > >
> > > > @Lianet: Thanks for volunteering to be the RM! Can you prepare a
> release
> > > > plan?
> > > >
> > > >
> > > > -Matthias
> > > >
> > > >
> > > > On 10/7/25 9:42 AM, Mickael Maison wrote:
> > > > > Hi,
> > > > >
> > > > > If we do a 4.1.1 I'd like to include
> > > > > https://issues.apache.org/jira/browse/KAFKA-19758.
> > > > > I'm still investigating but it looks like KIP-891 broke plugin
> > > > > isolation in Connect and thus workloads that worked with Connect
> 4.0.0
> > > > > don't work anymore on 4.1.0.
> > > > >
> > > > > Thanks,
> > > > > Mickael
> > > > >
> > > > > On Mon, Oct 6, 2025 at 3:54 PM Chia-Ping Tsai <[email protected]>
> > > > wrote:
> > > > >>
> > > > >> +1 to release 4.1.1 ASAP
> > > > >>
> > > > >>
> > > > >>
> > > > >> Lianet M. <[email protected]> 於 2025年10月6日 週一 下午9:33寫道:
> > > > >>
> > > > >>> Hello,
> > > > >>>
> > > > >>> Agree with the proposed 4.1.1 bug fix release to ship this asap.
> If
> > > we
> > > > all
> > > > >>> agree on the need for it, I would like to volunteer to be the
> release
> > > > >>> manager.
> > > > >>>
> > > > >>> Best,
> > > > >>> Lianet
> > > > >>>
> > > > >>> On Fri, Oct 3, 2025 at 5:44 PM Matthias J. Sax <[email protected]
> >
> > > > wrote:
> > > > >>>
> > > > >>>> Hello,
> > > > >>>>
> > > > >>>> we now understand the recently reported memory leak bug in Kafka
> > > > Streams
> > > > >>>> 4.1.0, and have a PR to fix it.
> > > > >>>>
> > > > >>>> https://issues.apache.org/jira/browse/KAFKA-19748
> > > > >>>>
> > > > >>>> I consider this bug severe, as we expect that it affects a large
> > > > number
> > > > >>>> of Kafka Streams user, makes Kafka Streams unusable, and there
> is no
> > > > >>>> workaround.
> > > > >>>>
> > > > >>>> So I would like to propose to start 4.1.1 bug-fix release
> > > immediately,
> > > > >>>> and also update the Kafka web page with a note that people
> should be
> > > > >>>> careful and maybe not even upgrade to Kafka Streams 4.1.0.
> > > > >>>>
> > > > >>>> Looking forward to your feedback.
> > > > >>>>
> > > > >>>>
> > > > >>>> -Matthias
> > > > >>>>
> > > > >>>
> > > >
> > > >
> > >
>

Reply via email to