Hello all,

I'd like to propose the 1st release candidate (rc0) of Apache
Arrow version 0.7.0.  This is a major release consisting of 131
resolved JIRAs [1].

The source release rc0 is hosted at [2].

This release candidate is based on commit
97f9029ce835dfc2655ca91b9820a2e6aed89107 [3]

The changelog is located at [4].

Please download, verify checksums and signatures, run the unit tests,
and vote on the release.

The vote will be open for at least 72 hours.

[ ] +1 Release this as Apache Arrow 0.7.0
[ ] +0
[ ] -1 Do not release this as Apache Arrow 0.7.0 because...


How to validate a release signature:

[2]: https://dist.apache.org/repos/dist/dev/arrow/apache-arrow-0.7.0-rc0/
[3]: https://github.com/apache/arrow/tree/97f9029ce835dfc2655ca91b9820a2e6aed89107
[4]: https://git-wip-us.apache.org/repos/asf?p=arrow.git;a=blob_plain;f=CHANGELOG.md;hb=b671dccbffd69f4c2177ec469e3cd1369ede2af5
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