[guptaneil]

Nope, it's an iOS 7 feature. Retina iPads have done this since iOS 5, since that is when the iPad 3 was introduced, but non-retina iPads used non-retina graphics until iOS 7.

See http://www.iphonehacks.com/2013/07/ios-7-uses-retina-assets-... and http://bendodson.com/weblog/2013/10/16/dropping-non-retina-s...

[mikeash]

That must be my confusion. Thanks for the info.