User blog comment:BertH/Technical Update: October 9, 2012/@comment-166269-20121010044124/@comment-166269-20121012083430

Wait, it is? We've noticed some oddities with SMW since the upgrade on the YGO wiki, but not outright brokenness... Also, Negref isn't part of SMW, unless I've been missing something for a very long time. =/