This copy of libswiftCore.dylib requires an OS version prior to 12.2.0

Question

The app crashes on launch when running from XCode 10.2 (before and after Swift 5.0 migration) with this on console

This copy of libswiftCore.dylib req

Answer 1

Check that the version of iOS Deployment Target in Build Settings are installed correctly, especially when you use app extensions (todayextension, shareextension) all versions must be the same.