Merge pull request #15521 from agh1/5.19.0-releasenotes-initial
authorEileen McNaughton <emcnaughton@wikimedia.org>
Thu, 17 Oct 2019 03:58:07 +0000 (16:58 +1300)
committerGitHub <noreply@github.com>
Thu, 17 Oct 2019 03:58:07 +0000 (16:58 +1300)
5.19.0 release notes initial run


Trivial merge