We noticed this when we shipped 13.0b1 today - it wasn't showing up in the Play store. Turns out that it was compiled to only support large+xlarge screens.
Created attachment 619031 [details] [diff] [review]
This patch just changes the compat mode back to "All" for all branding types.
Just noting it odd that the Galaxy Note sees Firefox Beta, and downloads the XUL (phone layout).
Verified Fixed w/ build (#2):
https://play.google.com/store/apps/details?id=org.mozilla.firefox_beta (compatible with all devices on left side)
I backed out this change (with a=akeybl via IRC) on mozilla-beta (including the relbranch we plan to use for respins) to re-enable split builds for the XUL 13 / Native 14 beta release: