zašao OS X Mountain Lion 10.8 (12A154Q) DP2.
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CUPERTINO, California—February 16, 2012—Apple® today released a developer preview of OS X® Mountain Lion, the ninth major release of the world’s most advanced operating system, which brings popular apps and features from iPad® to the Mac® and accelerates the pace of OS X innovation. Mountain Lion introduces Messages, Notes, Reminders and Game Center to the Mac, as well as Notification Center, Share Sheets, Twitter integration and AirPlay® Mirroring. Mountain Lion is the first OS X release built with iCloud® in mind for easy setup and integration with apps. The developer preview of Mountain Lion also introduces Gatekeeper, a revolutionary security feature that helps keep you safe from malicious software by giving you complete control over what apps are installed on your Mac. The preview release of Mountain Lion is available to Mac Developer Program members starting today. Mac users will be able to upgrade to Mountain Lion from the Mac App Store™ in late summer 2012.
OS X Mountain Lion requires a Mac with a 64-bit kernel. Mountain Lion supports the following Mac models:
• iMac (mid 2007 or later)
• MacBook (13-inch Aluminum, 2008); (13-inch, Early 2009 or later)
• MacBook Pro (13-inch, Mid-2009 or later); (15-inch, 2.4/2.2 GHz); (17-inch, Late 2007 or later)
• MacBook Air (Late 2008 or later)
• Mac Mini (Early 2009 or later)
• Mac Pro (Early 2008 or later)
• Xserve (Early 2009)
Known issues
- Installing OS X 10.8 over 10.7.2 or earlier with FileVault turned on may fail
- Upgrades over Lion Server will offer to migrate data again in Setup Assistant even though an in place migration has already succeeded.
- Entering your Apple ID in the Setup Assistant does not sign into iCloud
- Migration does not migrate RADIUS configurations
- Creating an iCloud account using a non-me.com address in the Setup Assistant requires verification before it can be used in Mail, Contacts, and Calendars.
- Some Apple menu items such as Restart may not work when a sandboxed app is in the foreground
- Twitter accounts added in Developer Preview 1 will need to be re-added after installing Developer Preview 2
- The first time an unsigned or unidentified app is launched when ‘Mac App Store’ or ‘Mac App Store and identified developers’ is selected in the Security & Privacy pref pane, the exception mechanism may fail. Subsequent attempts to run the application with an exception will work as expected.
- iTunes no longer syncs Notes
- Notes shared via Messages may not include note content
- After quitting and reopening Messages, the message window is blank. Continuing a conversation will bring the data back.
- TextEdit may hang after enabling Documents & Data in iCloud preferences
- Screen Sharing in Messages does not work
- Screen Sharing sometimes fails when no users are logged in
- Mail’s photo browser cannot access the iPhoto library
- VoiceOver cannot access the Notification Center on some machines
- Documents stored in iCloud cannot be renamed in the open panel by setting an insertion point and typing. The document can be renamed only by overwriting the entire name.
- Back to My Mac doesn’t work for the first 5 minutes after rebooting
- Find My Mac is not enabled if checked in Setup Assistant iCloud setup
- To enable Find My Mac, turn on Find My Mac in iCloud preferences and then close and reopen the preference panel.
- DVD Player may not launch after inserting a DVD on some systems
- Some Nvidia GPUs limit the resolution on an external HD display to 1280x800
- Some AppleScript applets may not run when Gatekeeper is set to Mac App Store or Mac App Store and identified developers
- Selecting Open PDF from the Print Dialog displays the message ‘Error while printing’
- Network scanning does not work in Developer Preview 2
- The system may hang after several hours when an external drive is connected
- After entering your redemption code, the Mac App Store may not show download progress on the Purchases tab. Quitting and re-launching the Mac App Store will show download progress as expected.
