Links that use Special:MyLanguage/ prefix don't currently work with Hovercards.
Is it possible to make these work?
(I see that navpopups also does not work with these links, so perhaps unfeasible)
Example URL: The first 2 links within https://www.mediawiki.org/wiki/Extension:Popups (Special:MyLanguage/Beta_Features and Special:MyLanguage/Beta_Features/Hovercards)
(Discussed onwiki at https://www.mediawiki.org/wiki/Topic:Tbb6kuwn6l95dppd )