@Jdlrobson: The phrase "MediaWiki developer's" in this edit was meant to be plural (developers) rather than genitive (developer’s), wasn’t it? I also don’t understand why it’s in quotation marks.
Topic on Talk:Stable interface policy/Frontend
Thanks for pointing that out! Fixed in https://www.mediawiki.org/w/index.php?title=User%3AJdlrobson%2FStable_interface_policy%2Ffrontend&diff=6066442&oldid=6066441