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From your link: * Open source UNIX foundation ** Support for multiple CPU and GPU cores via Grand Central Dispatch and OpenCL * Comprehensive UNIX user
by kevin_b_er 8y ago
From your link:
* Open source UNIX foundation
** Support for multiple CPU and GPU cores via Grand Central Dispatch and OpenCL
* Comprehensive UNIX user environment
** Standards-based graphics built on PDF (Quartz), OpenGL, and H.264 (QuickTime)
Your 2011/2012 document gives less assurance towards any future POSIX compliance.