CoreImage macOS 10.13.2 to 10.13.4 API Differences

CIBarcodeDescriptor.h

Added NSUserActivity (CIBarcodeDescriptor)

Added NSUserActivity.detectedBarcodeDescriptor

CIContext.h

Added -[CIContext HEIFRepresentationOfImage:format:colorSpace:options:]

Added -[CIContext writeHEIFRepresentationOfImage:toURL:format:colorSpace:options:error:]