GameController macOS 11.0 Beta 4 to Beta 5 API Differences

GCControllerElement.h

Added GCSystemGestureState

Added GCSystemGestureStateEnabled

Added GCSystemGestureStateAlwaysReceive

Added GCSystemGestureStateDisabled

Added GCControllerElement.boundToSystemGesture

Added GCControllerElement.preferredSystemGestureState