Thread:Support/About MediaWiki:Mobile-frontend-profile-last-thanked/cs

and specify an optional GENDER-related parameter in their documentation (  in MediaWiki:Mobile-frontend-profile-last-thanked/qqq,   in MediaWiki:Mobile-frontend-profile-usertalk/qqq), however, using the parameters causes the "undefined parameter" errors to be displayed, and the messages marked as fuzzy.