I got in a heated debate with a friend based on one of the keynote summary slides regarding Metal.
Why does the graphic have Open GL on the bottom layer? I think it is supposed to say Metal.
Please reference the image on:
http://www.apple.com/live/2015-june-event/
Please reference image url:
http://images.apple.com/live/2015-june-event/images/0e2d339400c1558dbad535dfd598b1639f2ee76a_expanded_xlarge.jpg