Mobile9to5Macabout 1 hour ago
iPhone Duo App Compatibility Levels Detailed
1 min read
iPhone Duo launches October 23 with three app compatibility levels. Apps built for iOS 26 run in a non-optimized mode, iOS 27 apps use more screen space, and fully compatible apps move controls to the side. Developers need Xcode and iOS 27.1 beta to test with a simulator before launch.
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