OS X Mavericks v10.9.3 Update

  • 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
  • Resolves an issue that prevented Font Book from installing PostScript Type 1 fonts
  • Improves reliability of copying, editing and inspecting permissions of files on an SMB file server
  • Improves reliability of network home directories
  • Improves stability when installing configuration profiles
  • Improves login speed for users in Active Directory groups
  • Includes Safari 7.0.3

Hit the app store for the update or for those so inclined, here’s the link for the standalone installer.

It hasn’t happened to me on two different machines but some users are apparently having an issue with their “Users” folder disappearing after upgrading though there does appear to be a simple fix.