Apple Releases Mac OS X Mountain Lion 10.8 Developer Preview

Apple released new version of it’s operating system – Mac OS X Mountain Lion to the developers.


They are planning to release it’s stable version in this summer.

Apple says

You’re about to use your Mac in all-new ways with OS X Mountain Lion. Because it’s designed with innovations from iPad and it works even better with iCloud. And that makes everything you do on the Mac smarter, easier, and even more fun.

Applications like Messages, Reminders, Notification Center, Twitter etc. which are available in iPad/iPhone is now available in Mac.

Main features are


  • iCloud

    In OS X Mountain Lion, sign in once with your Apple ID and iCloud is automatically set up across your Mac.1 That means right away iCloud keeps your mail, calendars, contacts, documents, and more up to date on every device you use. So when you add, delete, or edit something on your Mac, it happens on your iPad, iPhone, and iPod touch. And vice versa.

  • Messages

    Messages does everything iChat does, and so much more. For starters, it comes with iMessage. And just like iMessage in iOS, it lets you send unlimited messages to anyone on a Mac or an iPhone, iPad, or iPod touch running iOS 5. Send photos, videos, documents, and contacts — even send messages to a group.

  • Reminders

    Reminders is a to-do list app and Notes is a, well, a notes-taking app. Both sync with iCloud so your items show up on other connected devices.

  • Notifications Center

    Notifications Center works just like it does on iOS and it can be brought up with a simple swipe to the left.

  • Share Sheets

    You’ll find the Share button in many OS X Mountain Lion apps. It’s the new, easy way to spread the word — links, photos, and videos, too. Send links from Safari. Send your notes via Mail and Messages. Post photos to Flickr. Send videos to Vimeo. And tweet just about anything.

  • Twitter

    Most of OS X Mountain’s built-in apps will come with the ability to directly share items to various social networks. You can send links to Twitter from Safari, share links via Mail, upload photos to Flickr and more.

  • Game Center

    Sign in with an Apple ID and start playing against friends on iPad, iPhone and iPod touch.

  • AirPlay Mirroring

    With AirPlay Mirroring, you can stream what’s on your Mac to your HDTV via Apple TV.

  • Gatekeeper

    Gatekeeper in OS X Mountain Lion makes the Mac safer than ever. It helps prevent you from unknowingly downloading and installing malicious software. And it gives you control over which applications to download and run on your Mac. Now you can choose from three security options. You can download and run applications from anywhere, just as in OS X Lion. To be even safer, download and run apps from the Mac App Store and apps with a Developer ID. Or download and run only apps from the Mac App Store — the safest setting of all. Gatekeeper lets you decide which setting is best for you.

If you have a Mac Developer account, you can download and try all these.


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