iOS 27 SDK: 3 Major Requirements That Might Break Your App
Apple introduced a number of SDK-enforced mandates with the iOS 27 SDK (Xcode 27). Apps built with the new SDK that don’t comply will either fail to launch or get rejected during App Store submission.
blog.makwanbk.com4 min read
alex-vasenin
I think UIApplicationSceneManifest and SceneDelegate are required only for UIKit-based apps