Discovered another potentially serious 4.0 bug.
I downgraded back to 3.2 just to test this… for some reason upgrading to 4.0 grants user installed apps the access_restricted_settings permission.
On Android 15 AppOps shows all my user apps set to Default - this denies unless you toggle it on.
After upgrading to Android 16 a bunch of apps have it set to Allow…
Bit odd and seems unintended?
Screenshot from 15:

Screenshot from 16 (can see apps have ‘Allow’ set when they have previously been denied with the Default permission:
