Mountain Lion Developer Preview 3 und Xcode 4.4 Developer Preview 3 erschienen

Mountain Lion Developer Preview 3 und Xcode 4.4 Developer Preview 3 erschienen

Gut einen Monat nach dem Release der Mountain Lion Developer Preview 2 hat Apple heute Abend die dritte Developer Preview für Mountain Lion und Xcode 4.4 veröffentlicht.

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OS X Mountain Lion Developer Preview 3 is prerelease software. Do not use this prerelease software in a commercial operating environment or with important data. You should back up all of your data before installing this software and regularly back up data while using the software. You will not be able to upgrade from the OS X Mountain Lion Developer Preview to the final release.

If an installation of OS X Developer Preview 3 fails, try using Disk Utility from a Recovery HD to repair the disk.

Architecture Requirements

The OS X Mountain Lion Developer Preview supports the following Macs:

  • iMac (Mid 2007 or later)
  • MacBook (13-inch Aluminum, Late 2008), (13-inch, Early 2009 or later)
  • MacBook Pro (13-inch, Mid-2009 or later), (15-inch, Mid/Late 2007 or later), (17-inch, Late 2007 or later)
  • MacBook Air (Late 2008 or later)
  • Mac Mini (Early 2009 or later)
  • Mac Pro (Early 2008 or later)

Known Issues

  • On systems with FileVault enabled, canceling the restart to the Mountain Lion Developer Preview 3 Installer may leave your system unable to present a password dialog at boot time. You
    can repair the problem by holding down command-R to boot to the Recovery OS and then using Disk Utility to unlock and Repair your volume.
  • Installing OS X 10.8 over 10.7.2 or earlier with FileVault turned on may fail
  • Pre-Lion FileVault user accounts are not supported in this Developer Preview
  • Some Apple menu items such as Restart may not work when a sandboxed app is in the foreground
  • iTunes no longer syncs Notes
  • Mail’s photo browser cannot access the iPhoto library
  • Back to My Mac doesn’t work for the first 5 minutes after rebooting
  • DVD Player may not launch after inserting a DVD on some systems
  • Most help topics are unavailable in this Developer Preview
  • In the Recovery HD:
  • Some icons may be missing
  • Network Utility’s Lookup pane does not work
  • Time Machine restoration via a AFP share does not work
  • Restoring from a Time Machine backup via AFP does not work
  • Migration from a Time Machine backup that excludes paths such as /System may yield an unusable system
  • Brightness settings may change unexpectedly after reboot
  • Display brightness may be dim after sleep or reboot
  • If Mail is hidden at logout time, it may not be correctly relaunched during a subsequent login but will appear to be running
    Java applets may not work in Safari
  • QuickTime screen recordings may produce corrupted videos or cause an exception when run on machines with NVDIA graphics
    Game Center
  • In this seed, the Game Center application will view Production data by default. Games in development will be programmatically switched to use the Sandbox server environment
  • No Top Games are displayed on the Me tab and no game recommendations are shown on the Games tab
  • To use Game Center in your game on OS X, you must install a provisioning profile that enables Game Center for your app. Code signing, entitlements, and provisioning profiles are all described in detail in Tools Workflow Guide for Mac
  • Multiplayer gaming with Game Center between iOS and OS X is not available in this seed
  • In the Game Center app, game detail information such as game provider, pricing, etc. is not displayed
  • The local peer-to-peer GameKit API (GKSession, GKPeerPickerController, and related classes) is not supported

Bug Reporting

This build is being provided to you for testing and development purposes. Should you encounter any problems, please submit a bug report using the online Bug Reporter at bugreporter.apple.com/>. Please make sure to include “10.8 (12A178q)” in the bug title and description. This information will ensure that your bug is processed quickly.

When submitting a bug report, please make sure to include a Summary, Steps to Reproduce, Expected Results, Actual Results, and the diagnostic output generated by running ʻsudo sysdiagnoseʼ in the Terminal.

For complete instructions on submitting bug reports, please visit the Bug Reporting page at <http://developer.apple.com/bugreporter/>.

Thank you for your support.
Apple World wide Developer Relations

Mac OS X Mountain Lion und Xcode 4.4 Developer Preview 3 könnt ihr euch als Mac Entwickler, wie gewohnt im Developer Center herunterladen. Alle anderen müssen im Netz nach Links suchen.

Viel Spass beim testen von Mac OS X 10.8 wünscht euch das hack2learn Team ;)

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  • Michael Kleinschmidt

    Wie kann man denn von der Developer Preview 2 aus updaten? Gibt es dafür ein Delta-Update oder muss man nochmal die knapp 3,5 GB runterladen?

    • http://www.hack2learn.org/ hack2learn

      Gibt leider kein Delta Update für die Developer Preview 3.