Last modified: 2012-04-16 09:16:05 UTC
See http://en.wikipedia.org/w/index.php?title=Special%3ALog&type=&user=Someoneisnotthere&page=Someoneisnotthere&year=&month=-1&tagfilter=&hide_patrol_log=1&hide_review_log=1
It should be "Performer" field now.