Hello,
Since the same code works as expected in Xamarin.Forms and the Maui documentation does not mention changes to coordinates and RelativeLayout, this is an unexpected behavior. In this case, it is recommended that you report it to the Maui official code repository to make our development team aware of it.
For element stacking in Maui, it is recommended that you use Grid or AbsoluteLayout because they are supported during the life cycle of Maui, that is, they will be updated with fixes and new features.
Best Regards,
Alec Liu.
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