User blog comment:Kirkburn/Technical Update: September 21, 2015/@comment-15675979-20150923121706/@comment-126761-20150923140254

MW:Chat.js is loaded natively now - the hacky method is no longer needed (and I've removed it from your MediaWiki:Chat-edit-count). If it's not loading still, I suggest checking for any errors in the code - if you don't spot anything, please feel free to send a note in to Special:Contact about it.