Thank you Yuepeng for driving the release.

+1 (non-binding)

- Verified SHA512 for source and binary
- Verified GPG signature matches B5B638DCA5F94E4A
- Verify source release has LICENSe and NOTICE, version 2.3.0 and NOTICE
year 2026
- Verified binary distribution by running local WordCount on local cluster
- Verified source build succeeded with JDK 17 on arm64
- Tested LRUCache leak in compactor [1] no longer occurring

Best regards,
Keith

[1] https://issues.apache.org/jira/browse/FLINK-39753

On Wed, Jun 17, 2026 at 12:15 AM David Anderson <[email protected]>
wrote:

> +1 (binding)
>
> - verified GPG signatures for both source and binary
> - verified SHA512 checksums for both source and binary
> - verified that every module resolves to Flink version 2.3.0
> - verified that all of Flink's own (non-shaded) classes in the binary
> distribution use bytecode version 55 (Java 11) - correct for Flink 2.x
> - verified all LICENSE and NOTICE files
> - built from source with JDK 21.0.3 and Maven 3.9.11 on macOS arm64
> - tested both my local build and the binary release: started standalone
> cluster, ran WordCount, ran SQL Client with SELECT 1, no errors in logs,
> checked web UI, verified results
>
> Regards,
> David
>
>
> On Tue, Jun 16, 2026 at 11:00 AM Rich Bowen <[email protected]> wrote:
>
> >
> >
> > On 2026/06/14 19:28:00 Yuepeng Pan wrote:
> > > Hi everyone,
> > >
> > > Please review and vote on the release candidate #4 for the version
> > > 2.3.0, as follows:
> > > [ ] +1, Approve the release
> > > [ ] -1, Do not approve the release (please provide specific comments)
> >
> > +1 (non-binding)
> >
> > * Verified signatures and hashes on the following files as per
> > https://apache.org/info/verification.html
> >   - flink-2.3.0-bin-scala_2.12.tgz (SHA512, GPG signature)
> >   - flink-2.3.0-src.tgz (SHA512, GPG signature)
> > * Verified LICENSE and NOTICE files
> >
>

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