I ran into some issues:

- Source verification for C++ fails with USE_CONDA=1 because mamba for whatever 
reason resolves orc==1.6.4 which is too old to build adapters/orc/adapter.cc. 
Manually patching the extracted source after verification works around this 
(although this is annoying to do).
- A spurious error if you have a Conda environment activate without USE_CONDA=1 
(https://issues.apache.org/jira/browse/ARROW-16347)
- Binary verification consistently fails for Ubuntu hirsute.
- Wheel verification for Python 3.9/manylinux2014 segfaulted in 
test_exec_plan.py. It passed on a re-run.

I'm going to give everything another try tomorrow before voting and see if I 
can file an issue for the wheel issue.

On Tue, Apr 26, 2022, at 07:50, Krisztián Szűcs wrote:
> Hi,
>
> I would like to propose the following release candidate (RC0) of Apache
> Arrow version 8.0.0. This is a release consisting of 564
> resolved JIRA issues[1].
>
> This release candidate is based on commit:
> 4d2f6991574a7e494679c891ab76c6c110af89a0 [2]
>
> The source release rc0 is hosted at [3].
> The binary artifacts are hosted at [4][5][6][7][8][9][10][11].
> The changelog is located at [12].
>
> Please download, verify checksums and signatures, run the unit tests,
> and vote on the release. See [13] for how to validate a release candidate.
>
> The vote will be open for at least 72 hours.
>
> [ ] +1 Release this as Apache Arrow 8.0.0
> [ ] +0
> [ ] -1 Do not release this as Apache Arrow 8.0.0 because...
>
> [1]: 
> https://issues.apache.org/jira/issues/?jql=project%20%3D%20ARROW%20AND%20status%20in%20%28Resolved%2C%20Closed%29%20AND%20fixVersion%20%3D%208.0.0
> [2]: 
> https://github.com/apache/arrow/tree/4d2f6991574a7e494679c891ab76c6c110af89a0
> [3]: https://dist.apache.org/repos/dist/dev/arrow/apache-arrow-8.0.0-rc0
> [4]: https://apache.jfrog.io/artifactory/arrow/almalinux-rc/
> [5]: https://apache.jfrog.io/artifactory/arrow/amazon-linux-rc/
> [6]: https://apache.jfrog.io/artifactory/arrow/centos-rc/
> [7]: https://apache.jfrog.io/artifactory/arrow/debian-rc/
> [8]: https://apache.jfrog.io/artifactory/arrow/java-rc/8.0.0-rc0
> [9]: https://apache.jfrog.io/artifactory/arrow/nuget-rc/8.0.0-rc0
> [10]: https://apache.jfrog.io/artifactory/arrow/python-rc/8.0.0-rc0
> [11]: https://apache.jfrog.io/artifactory/arrow/ubuntu-rc/
> [12]: 
> https://github.com/apache/arrow/blob/4d2f6991574a7e494679c891ab76c6c110af89a0/CHANGELOG.md
> [13]: 
> https://cwiki.apache.org/confluence/display/ARROW/How+to+Verify+Release+Candidates

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