- Single sign on for Facebook
- Adds Facebook as an option when sharing links and photos
- See Facebook friends’ contact information and profile pictures in Contacts
- Facebook notifications now appear in Notification Center
Game Center
- Share scores to Facebook, Twitter, Mail, or Messages
- Facebook friends are included in Game Center friend recommendations
- Added Facebook “Like” button for games
- Challenge friends to beat your score or achievement
Other new features
- Adds Power Nap support for MacBook Air (Late 2010)
- iMessages sent to your phone number now appear in Messages on your Mac*
- You can now add passes to Passbook (on your iPhone or iPod touch) from Safari and Mail on your Mac*
- FaceTime can now receive calls sent to your phone number*
- New shared Reminders lists
- New sort options allow you to sort notes by title, the date you edited them, and when you created them
- Dictation now supports additional languages: Mandarin, Cantonese, Spanish, Korean, Canadian English, Canadian French, and Italian
- Dictionary app now includes a French definition dictionary
- Sina Weibo profile photos can now be added to Contacts
* Requires iOS 6
General fixes
The OS X Mountain Lion v10.8.2 update also includes general operating system fixes that improve the stability, compatibility and security of your Mac, including the following fixes:
- Adds an option to discard the changes in the original document when choosing Save As
- Unsent drafts are now opened automatically when launching Mail
- Receive Twitter notifications for mentions and replies from anyone
- URLs are shortened when sending tweets from Notification Center
- Notifications are disabled when AirPlay Mirroring is being used
- Adds SSL support for Google searches from the Smart Search Field in Safari
- Adds a new preference to have Safari launch with previously open webpages
- Resolves an issue that may cause the “Enable Autodiscover” checkbox to always remain checked
- Enables access to the Mac App Store when Parental Controls are enabled
- Support for @icloud.com email addresses
- Resolves a video issue with some VGA projectors when connected to certain Mac notebooks
- Addresses an issue that may prevent Active Directory accounts from being locked out
- Resolves an issue that may cause the policy banner to re-appear prior to logging in
- Improvements to SMB
- Addresses an issue with NIS users when auto-login is enabled
- Addresses an issue in which the Keychain may not be accessible
- Ability to pre-authenticate a FileVault protected system
- Addresses an issue that may cause Xsan to not automatically start after migrating from Mac OS X Snow Leopard