OS X Mavericks 10.9.3 arrives with better 4K display support, USB synching with iOS

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Nearly three months since the last update, Apple released OS X version 10.9.3 on Thursday. According to Apple’s own support page detailing the changes, the software provides a better 4K scaling experience on both the Mac Pro and MacBook Pro with 15-inch Retina Display computers. That’s assuming you own a 4K monitor, of course. There’s something for every Mac owner though including Safari 7.0.3 and the ability to sync both contacts and calendar events over a USB connection between your Mac and iPhone, iPad or iPod touch.

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