Apple could and should run this as part of their compression routine. They should also optimise images - it's very common for apps to bundle images that can be

Apple could and should run this as part of their compression routine. They should also optimise images - it's very common for apps to bundle images that can be shrunk without any quality loss. ImageOptim is a decent tool to throw your images at: https://imageoptim.com/mac https://imageoptim.com/mac