User blog comment:Dopp/Technical Update: June 7, 2011/@comment-3080486-20110609015434/@comment-1656630-20110612001530

The Time Travel feature has been closed to new wikis at this time. The engineers decided it was a case of wrong timing, and that we need to put further launches on hold until April 1st. Since it's still active on Godisme's wiki, you can talk to him to find out what the functionality will be like in 2012. Chances are, he's already been there by now.