Board Thread:Support Requests - Getting Technical/@comment-38764438-20200914094127/@comment-1038387-20200915105404

Hexirp wrote: It said, "MediaWiki:Mobile.js - specific to the mobile website and provided by Extension:MobileFrontend". I thought Mobile.js could be used in FANDOM as well.

Extension:FrontEnd is MediaWiki 1.33+. It's not on Legacy, and I don't think it's enabled on UCP either. Fandom does not have the vanilla mobile experience, but instead, its own skin, Mercury.