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Core Animation wasn't integrated into the OS window server until somewhere around Mac OS X 10.7. Before then, Core Animation on Mac OS X ran in your own process
by pcwalton 7y ago
Core Animation wasn't integrated into the OS window server until somewhere around Mac OS X 10.7. Before then, Core Animation on Mac OS X ran in your own process, so there wasn't really an advantage to using it over just doing your compositing yourself.