Board Thread:Support Requests - Community Management/@comment-25206135-20170825031146/@comment-24258073-20170827033736

Just because they aren't on that list does not necessarily mean that they won't work. That page isn't necessarily fully up to date, and there are a few CSS and JS pages that are missing from the list. Also according to Special:Allmessages, those pages are still official system messages, implying that they still function.