[00:15:15] tgr|away: Regarding https://gerrit.wikimedia.org/r/1054931 - I think the hook approach you laid out sounds good. I've suggested a narrower variation of it, but it seems a fine place for a hook if that's what we need to get going. [00:15:58] We could optimistically make reference inline to T214998, hinting that it's basically for MobileFrontend and we won't need it after that. [00:15:58] T214998: RFC: Remove .m. subdomain, serve mobile and desktop variants through the same URL - https://phabricator.wikimedia.org/T214998