Board Thread:Support Requests - Getting Technical/@comment-25021327-20150705013551/@comment-452-20150705055024

Not in the exact way that you're asking, but you could edit mediawiki:recentchanges-summary and add a link to it there, I've seen several wikis add links and messages that way.

There is also MediaWiki:Recentchangestext, but mediawiki:recentchanges-summary is probably the better one to edit.