It's useful to use `git-webkit pickable` to query multiple refs at the same time, especially given that release branches often share a parent branch and will have many of the same set of 'pickable' commits.
<rdar://problem/104100860>
Pull request: https://github.com/WebKit/WebKit/pull/8500
Committed 260014@main (314c5c8a883d): <https://commits.webkit.org/260014@main> Reviewed commits have been landed. Closing PR #8500 and removing active labels.
Committed 259548.67@safari-7615-branch (a3b2b56b98e0): <https://commits.webkit.org/259548.67@safari-7615-branch> Reviewed commits have been landed. Closing PR #368 and removing active labels.