User blog comment:Dopp/Technical Update: October 4, 2011/@comment-2022446-20111004180315/@comment-1656630-20111004192157

For the first week, it will just be on five wikis plus communitytest.wikia.com. We don't want to send a lot of extra users to those wikis just for feature testing, so it's up to them if they want to announce it on Community Central. :)