I’m using a 1st generation iPad Pro 11” (model number MTXN2B/A) which has rounded screen corners, however the “Use Full Screen” option seems to have been erroneously removed for this model with the r...
After further investigation this appears to only be an issue if Stage Manager is enabled - if multitasking is disabled or “Split View and Slide Over” is enabled then the setting appears as expected.
For clarification I am using iOS 17.1.