Apple’s OS X 10.9.3 Beta 1 Brings ‘True’ Retina Support For External 4K Displays

AppAdvice
By Joe WhiteMar 7, 2014, 3:30 am241 pts
OS X 10.9.3 beta 1 reached Mac developers a matter of hours ago, and now it's been discovered that the updated desktop OS makes one useful change to the way external 4K displays are handled. Prior to OS X 10.9.3, connecting a 4K display up to a MacBook Pro with Retina display saw OS X reproduce content on a…

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