talk:Append&preload=Template:H:hns§ion=new append Template:H:hns to Template talk:Append
Software help for MediaWiki — Readers, Editors, Moderators, Admins, Hackers
Wikimedia's sites have been upgraded to MediaWiki 1.5. It looks like about every site has been done: List of wikis that have been converted.
See also w:en:Wikipedia:MW 1.5 bugs.