The OS X Mavericks 10.9.3 Update is recommended for all Mavericks users. It improves the stability, compatibility, and security of your Mac.
● Improves 4K display support on Mac Pro (Late 2013) and MacBook Pro with 15-inch Retina Display (Late 2013)
● Adds the ability to sync contacts and calendars between a Mac and iOS device using a USB Connection
● Improves the reliability of VPN connections using IPsec
● Includes Safari 7.0.3
For detailed information about this update, please visit:
For detailed information about the security content of this update, please visit:
You can download the update by selecting Software Update from the Apple menu at the top left of your screen.