Board Thread:The Time Lord Academy/@comment-33878615-20160907105306/@comment-10983683-20160909214703

NewDiffStyle has been deprecated.

NOTICE: As of the September 1st, 2016 release, this functionality has been backported by Wikia and is available by default. As such, this stylesheet is no longer required.

From http://dev.wikia.com/wiki/NewDiffStyle.