Looks like the only known issue: https://github.com/apache/spark/pull/58870 <https://github.com/apache/spark/pull/58870>is merged. As Uros mentioned, will start the process, but feel free to reach out if any other blockers/known issues.
Thanks Szehon On Tue, Sep 22, 2026 at 4:41 PM Szehon Ho <[email protected]> wrote: > Thanks all for the broad support, looks like folks are in favor of 4.2.1. > I'll start this soon if there are no more fixes we need. > > Thanks > Szehon > > On Tue, Sep 22, 2026 at 7:58 AM Kousuke Saruta <[email protected]> wrote: > >> +1 >> >> 2026年9月22日(火) 22:28 Dongjoon Hyun <[email protected]>: >> >>> +1 >>> >>> Dongjoon >>> >>> On 2026/09/22 13:26:06 Peter Toth wrote: >>> > +1 >>> > >>> > On Tue, Sep 22, 2026 at 2:43 PM Wenchen Fan <[email protected]> >>> wrote: >>> > >>> > > +1 >>> > > >>> > > On Tue, Sep 22, 2026 at 5:29 PM Uroš Bojanić <[email protected]> >>> wrote: >>> > > >>> > >> +1 for this, thank you for proposing and driving the maintenance >>> release, >>> > >> Szehon! >>> > >> >>> > >> I would be happy to help with driving other releases (e.g. 4.1.4), >>> as I >>> > >> mentioned in a new thread. >>> > >> >>> > >> Please let me know what you think, and let's coordinate the releases >>> > >> together; we can also consider 4.0.5 (and possibly 3.5.10) >>> maintenance too. >>> > >> >>> > >> On 2026/09/21 23:56:43 Szehon Ho wrote: >>> > >> > Hi all, >>> > >> > >>> > >> > I'd like to start a discussion about releasing Apache Spark 4.2.1. >>> > >> > >>> > >> > I'm particularly interested in getting SPARK-59572 >>> > >> > <https://issues.apache.org/jira/browse/SPARK-59572> into 4.2.1. >>> It >>> > >> fixes a >>> > >> > correctness issue introduced in 4.2.0 where failures to evaluate >>> a DSv2 >>> > >> > PartitionPredicate can be treated as matches, leading to >>> incorrect query >>> > >> > results. >>> > >> > >>> > >> > It's been over two months since Spark 4.2.0 was released in July. >>> The >>> > >> changes >>> > >> > on branch-4.2 since 4.2.0 >>> > >> > <https://github.com/apache/spark/compare/v4.2.0...branch-4.2> now >>> > >> include >>> > >> > 99 PRs covering 97 JIRA issues. Besides SPARK-59572, these include >>> > >> > correctness and stability fixes across SQL, Core, Streaming, >>> PySpark, >>> > >> and >>> > >> > Kubernetes, with several addressing storage-partitioned joins. >>> > >> > >>> > >> > I'm happy to volunteer to drive the release to learn the process! >>> > >> > >>> > >> > Would folks be in favor of moving forward with a 4.2.1 release? >>> Are >>> > >> there >>> > >> > any other fixes or blockers we should address first? >>> > >> > >>> > >> > Thanks, >>> > >> > Szehon >>> > >> > >>> > >> >>> > >> >>> --------------------------------------------------------------------- >>> > >> To unsubscribe e-mail: [email protected] >>> > >> >>> > >> >>> > >>> >>> --------------------------------------------------------------------- >>> To unsubscribe e-mail: [email protected] >>> >>>
