Xcode13.2.1 Swift Concurrency cause crash in iOS 12 dyld: Symbol not found: ___chkstk_darwin Referenced from: //app.app/Frameworks/libswift_Concurrency.dylib (which was built for iOS 13.0) Expected in: /usr/lib/libSystem.B.dylib in //Frameworks/libswift_Concurrency.dylib Programming Languages Swift wwdc21-10194 9 0 7.7k Dec ’21