User blog comment:Kirkburn/Technical Update: July 18, 2016/@comment-24014422-20160719121116/@comment-1251315-20160719140621

I can confirm that the actual rollback is no longer removing the rollbacked edit from the wiki activity feed the way it used to. This started up about a month or so ago, but I never bothered much about it, since I'm using RecentChanges.