Less than a week before Apple will show us the next version of OS X, the company issues some key bug fixes for Mountain Lion.


If you’ve had trouble connecting to some Wi-Fi networks or noticed that conversations in your Messages app were often out of order, you’re not alone. And Apple says it’s now squashed those and nearly a dozen other bugs in the software with an update to OS X Mountain Lion, released Tuesday afternoon.

Mountain Lion updateOS X 10.8.4 is now out and promises to: improve compatibility for connecting to some enterprise Wi-Fi networks and for Microsoft Exchange working with Calendar, resolve an issue where conversation threads in Messages appear non-chronologically, and lets FaceTime calls properly connect to users outside the U.S.

Here’s the full list of what this update addresses:

  • Compatibility improvements when connecting to certain enterprise Wi-Fi networks
  • Microsoft Exchange compatibility improvements in Calendar
  • A fix for an issue that prevented FaceTime calls to non-U.S. phone numbers
  • A fix for an issue that may prevent scheduled sleep after using Boot Camp
  • Improves VoiceOver compatibility with text in PDF documents
  • Includes Safari 6.0.5, which improves stability for some websites with chat features and games
  • A fix for an issue that may cause iMessages to display out of order in Messages
  • Resolves an issue in which Calendars Birthdays may appear incorrectly in certain time zones
  • A fix for an issue that may prevent the desktop background picture from being preserved after restart
  • A fix for an issue that may prevent documents from being saved to a server using SMB
  • Addresses an issue that may prevent certain files from opening after copied to a volume named “Home”
  • A fix for an issue that may prevent changes to files made over NFS from displaying
  • Resolves an issue saving files to an Xsan volume from certain applications
  • Improves Active Directory log-in performance, especially for cached accounts or when using a .local domain
  • Improves OpenDirectory data replication
  • Improves 802.1X compatibility with ActiveDirectory networks
  • Improves compatibility when using mobile accounts

Apple has said it will unveil the next version of OS X (10.9) next week at WWDC.

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