Reading Concentric Corner Radii with GeometryProxy in SwiftUI

Greetings, traveler! SwiftUI can create shapes whose corners follow the curvature of their container. ConcentricRectangle handles this automatically, but sometimes you need the calculated radius values themselves. In iOS 27, GeometryProxy provides two APIs for this: They let you use SwiftUI s concentric corner calculations in custom shapes, drawing code, animations, and layouts. The APIs were [ ]…