It appears that the only way to access any information about a cell's corner radius is obtained only via the cell's layer cornerRadius. List cells never get their corner configuration updated in grouped configurations.
Further, I have noted that as of Xcode 16.0 Beta 7, accessing .cornerConfiguration on UICollectionView.appearance() causes a segfault (FB20029166).
Topic:
UI Frameworks
SubTopic:
General
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