When I click edit button on any template namespace page, I am supposed to be taken to the full page text editor. This is supposed to be true for any page where the MobileFormatter is not ran (https://github.com/wikimedia/mediawiki-extensions-MobileFrontend/blob/master/README.md#wgmfmobileformatternamespaceblacklist)
When I go to https://en.m.wikipedia.beta.wmflabs.org/w/index.php?title=Module:T173949, for example, I see this screen:
On production, this workflow is much better - clicking edit takes me to the non-js editor:
To edit, I now must click "reload the page."
This means editing now takes 2 clicks and if editing on mobile, the 2nd click forces me out of the mobile view into the desktop site.
Non-js editor is broken
Although the editor loads successfully when you have JavaScript disabled or are using a grade C browser, completing an edit is impossible. When clicking publish changes, the user is redirected back to the editor without the editor being completed.