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• Swift pointers in Swift 6: Span by default, unsafe at the edges

  Which Swift pointer to use in Swift 6: Span and scoped access by default, Unsafe*Pointer only at the C boundary or when a type owns its memory.

  Written 2020Updated November 13, 2026iOS / macOS Developmenten

• Rounded corners and a shadow on UIKit cells

  One UIKit view can't easily have both rounded corners and a shadow. Put the shadow on the collection view once instead of on every cell.

  Written 2019iOS / macOS Developmenten