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After several beta releases, Apple today released the 10.9.3 software update to OS X Mavericks. The update is recommended for all users running OS X Mavericks, and brings a list of improvements including improved support for 4K displays. The update also restores contacts and calendar syncing from Macs to iOS devices over USB which was previously removed in favor of OTA syncing. Mac users running the public beta version of OS X 10.9.3 introduced last month can update to the public version via the Mac App Store. 

The update also includes the latest version of the Safari web browser with the release of 7.0.3 as well as VPN connection improvements. iTunes 11.2 was also released with improvements to podcast features including managing unplayed episodes, saved episodes, and deleted episodes. As per the release notes, Apple recommends using Podcasts for iOS 2.1 or later with the syncing improvements, but the current App Store version is 2.0.2 so a new version should arrive soon. (Thanks Richard!)

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OS X 10.9.3 was first released in beta earlier this year in March, with several new builds being released since. As we reported then, OS X 10.9.3 allows users to natively set super hi-resolution 4K monitors to display OS X at pixel-doubled resolution creating a “Retina” experience.


From our report with the release:

Apple building in improved 4K display settings and support for driving 4K screens at 60Hz could indicate that the Cupertino company is nearing the launch of a high-resolution external monitor. Sources say that Apple has been developing 4K, high-resolution large standalone displays and iMacs.

OS X 10.9.3, Safari 7.0.3, and iTunes 11.2 are available as software updates in the Mac App Store.

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About the Author

Zac Hall

Zac covers Apple news, hosts the 9to5Mac Happy Hour podcast, and created