Rooted debugging is still there - and working - in my unofficial r build for lilac, built from the v0.23.9-r tag. I’ll check on some other devices running official builds later today.
However, all of the are dev builds rather than stable
I confirm (I have a non-rooted FP4 with your same version of 0.23).
If it’s a wanted behavior, this could be the reason why now app like italian CieID works for FP4 and not in other device, as wrote @nottolino.