User blog comment:Kirkburn/Technical Update: August 31, 2016/@comment-4568327-20160901140903

I noticed that the Publish button has been renamed to "Save page". This is interesting, considering Wikimedia is doing the exact opposite; changing "Save page" to "Publish", see https://phabricator.wikimedia.org/T131132 and https://phabricator.wikimedia.org/T139033.