UIDesignRequiresCompatibility stops working with the iOS 27 SDK

Apple ignores the UIDesignRequiresCompatibility key when building with the iOS 27 SDK, and from April 2027 App Store submissions must use that SDK. A developer released glassready, an open-source CLI that finds iOS, Flutter and React Native code conflicting with Liquid Glass.

• The UIDesignRequiresCompatibility key is ignored when building with the iOS 27 SDK
• From April 2027 App Store apps must be built with the iOS 27 SDK
• glassready flags custom bar styles and blur layers in iOS, Flutter and React Native projects
• The tool uses regex rules and skips dependencies and .xcconfig files