Apple Seeds Near Final OS X 10.8.2 Developer Seed Ahead of Media Event

mountainlionApple has seeded developers with a new build of OS X Mountain Lion (12C50) to developers this evening. The version contains complete release notes as posted by 9to5Mac, suggesting the release is near complete. Apple is holding a media even on Wednesday where they are likely to detail the new iPhone and iOS 6.

The release notes reveal the following features:

Facebook
- Single sign on for Facebook
- Facebook as an option when sharing links and photos
- Facebook friends’ contact information and profile pictures in Contacts
- Facebook notifications in Notification Center

Game Center
- Share scores to Facebook, Twitter, Mail, or Messages
- Facebook friends are included in Game Center friend recommendations
- Facebook Like button for games
- Challenge friends to beat your score or achievement

Other new features
- Power Nap support for MacBook Air (Late 2010)
- iMessages sent to your phone number now appear in Messages on your Mac
- From Safari and Mail on your Mac you can add passes to Passbook on your iPhone or iPod touch running iOS 6
- New shared Reminders lists
- FaceTime now receives calls sent to your phone number
- New sort options allow you to sort notes by title, the date you edited them, and when you created them
- Dictation now supports Mandarin, Cantonese, Spanish, Korean, Canadian English, Canadian French, and Italian
- The Dictionary application now includes a French definition dictionary
- Sina Weibo profile photos can now be added to Contacts

The 10.8.2 update also includes general operating system fixes that improve the stability, compatibility and security of your Mac, including the following fixes:

- An option to discard the changes in the original document when choosing Save As
- Unsent drafts are 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
- SSL support for Google searches from the Smart Search Field in Safari
- New preference to have Safari launch with previously open webpages

messages unified
One notable feature is the unification of the Apple ID and phone number in OS X Messages. As described by TheVerge:

Now, if someone calls your phone number for Facetime, you'll be able to answer on your Mac or iPad. The same goes for Messages — if you get an iMessage on your phone, it'll be delivered to your Mac and other iOS devices, even if the sender sent the message to your cell phone number and not your Apple ID email.

Apple will likely coordinate the release OS X Mountain Lion alongside iOS 6. We will learn more tomorrow at Apple's media event.

Popular Stories

Aston Martin CarPlay Ultra Screen

Apple's CarPlay Ultra to Expand to These Vehicle Brands Later This Year

Sunday February 1, 2026 10:08 am PST by
Last year, Apple launched CarPlay Ultra, the long-awaited next-generation version of its CarPlay software system for vehicles. Nearly nine months later, CarPlay Ultra is still limited to Aston Martin's latest luxury vehicles, but that should change fairly soon. In May 2025, Apple said many other vehicle brands planned to offer CarPlay Ultra, including Hyundai, Kia, and Genesis. In his Powe...
Apple Logo Black

Apple's Next Launch is 'Imminent'

Sunday February 1, 2026 12:31 pm PST by
The calendar has turned to February, and a new report indicates that Apple's next product launch is "imminent," in the form of new MacBook Pro models. "All signs point to an imminent launch of next-generation MacBook Pros that retain the current form factor but deliver faster chips," Bloomberg's Mark Gurman said on Sunday. "I'm told the new models — code-named J714 and J716 — are slated...
Apple MacBook Pro M4 hero

New MacBook Pros Reportedly Launching Alongside macOS 26.3

Sunday February 1, 2026 5:42 am PST by
Apple is planning to launch new MacBook Pro models with M5 Pro and M5 Max chips alongside macOS 26.3, according to Bloomberg's Mark Gurman. "Apple's faster MacBook Pros are planned for the macOS 26.3 release cycle," wrote Gurman, in his Power On newsletter today. "I'm told the new models — code-named J714 and J716 — are slated for the macOS 26.3 software cycle, which runs from...
iOS 26

iOS 26.3 and iOS 26.4 Will Add These New Features to Your iPhone

Tuesday February 3, 2026 7:47 am PST by
We are still waiting for the iOS 26.3 Release Candidate to come out, so the first iOS 26.4 beta is likely still at least a week or two away. Following beta testing, iOS 26.4 will likely be released to the general public in March or April. Below, we have recapped known or rumored iOS 26.3 and iOS 26.4 features so far. iOS 26.3 iPhone to Android Transfer Tool iOS 26.3 makes it easier...
14 inch MacBook Pro Keyboard

Apple Changes How You Order a Mac

Saturday January 31, 2026 10:51 am PST by
Apple recently updated its online store with a new ordering process for Macs, including the MacBook Air, MacBook Pro, iMac, Mac mini, Mac Studio, and Mac Pro. There used to be a handful of standard configurations available for each Mac, but now you must configure a Mac entirely from scratch on a feature-by-feature basis. In other words, ordering a new Mac now works much like ordering an...

Top Rated Comments

iPhoneApple Avatar
175 months ago
so excited. Tomorrow is going to be amazing.
Score: 15 Votes (Like | Disagree)
Small White Car Avatar
175 months ago
- iMessages sent to your phone number now appear in Messages on your Mac

How was this not included until this point?

I'm struggling to understand how Apple thought that giving people 'Messages' on the Mac that didn't do this from the start was a good idea.
Score: 12 Votes (Like | Disagree)
verniesgarden Avatar
175 months ago
safari may not be snappier, but the macbook air is now nappier.... too lame?:rolleyes:
Score: 11 Votes (Like | Disagree)
rpaloalto Avatar
175 months ago
safari should be much snappier now:)
Score: 10 Votes (Like | Disagree)
emwgradstudent Avatar
175 months ago
Wow

That is quite a list of updates! Can't wait until 10 AM!
Score: 8 Votes (Like | Disagree)
Icaras Avatar
175 months ago
Yay for Power Nap support on the 2010 MBA! :D
Score: 7 Votes (Like | Disagree)