Board Thread:Support Requests - Getting Technical/@comment-5428376-20200803064653/@comment-9605025-20200803070709

Give it a try and see what happens. 2009 is only a few years after Fandom was started so I think there is a decent chance Fandom's fork (i.e. custom version) of Mediawiki may have happened after this feature was added. I don't know when the fork happened though so I can't say for sure.