Firefox for Android's Play Integrity check hits custom ROMs - OMG! Ubuntu
www.omgubuntu.co.uk
Mozilla has added support for Google's Play Integrity API, known for blocking users of custom ROMs from accessing banking apps, to Firefox for Android.

It’s an unintended side effect that the majority of custom ROM users will appreciate.

Firefox being the first and only browser on Android enforcing Google play integrity verification wasn’t on my bingo card