Hi! What the point of this restriction now? I can't see any reason for that and we used that more than year without issues. We used ARF in 2020.1 without problem on ScreenSpace - Overlay parent canvas (and have nested canvases for reducing canvas rebuild cost), but now it completely breaks our UI because fitter disabled and our UI now has wrong sizes @Stephan_B I know you're most responsible for TMP, but I can see only you answer the questions in this forum. (in addition @phil-Unity) As temp fix (because we need deliver build for investors today) we copied com.unity.ugui into the project and commented out that restriction.