OS X Mountain Lion Developer Preview 4 及 OS X Mountain Lion Server Developer Preview 5 已向開發人員釋出

在 WWDC 2012 發表會後，Apple 向開發人員釋出了 OS X Mountain Lion Developer Preview 4（build 12A239）及 OS X Mountain Lion Server Developer Preview 5（12S254j），這兩個 Developer Preview 作業系統主要加入了如發表會所提到的新功能。此外，Apple 亦同時提供 OS X Facebook Developer Preview 的 .dmg 檔案以加入 Facebook 整合功能，跳轉後是更新說明（release notes）。

引用來源 / 圖片轉自：http://9to5mac.com/2012/06/11/apple-seeds-os-x-mountain-lion-developer-preview-4/（9to5Mac）

OS X Mountain Lion Developer Preview 4 Seed Note

OS X Mountain Lion Developer Preview 4 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 4 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 newer)
• • MacBook (Late 2008 Aluminum, or Early 2009 or newer)
• • MacBook Pro (Mid/Late 2007 or newer)
• • MacBook Air (Late 2008 or newer)
• • Mac mini (Early 2009 or newer)
• • Mac Pro (Early 2008 or newer)
• • Xserve (Early 2009)

Known Issues

• Network Migration requires OS X 10.7.3 or later in this Developer Preview

⁃ International users may be unable to enter a Wi-Fi password while in Setup Assistant.  Users can select Other Network Options and continue setting up their system without a Wi-Fi network

• On systems with FileVault enabled, the login window may be displayed incorrectly
• Rotating an external display may cause a panic on AMD Radeon-based machines
• QuickTime screen recordings may produce corrupted videos or cause an exception when run on machines with NVDIA graphics
• Installation of Final Cut Studio 3 may cause a hang unless Automatic Graphics Switching is disabled in Energy Saver Preferences

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
• Tell-a-Friend functionality is not available
• 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 <http://bugreporter.apple.com/>. Please make sure to include “10.8 (12A239)” 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 ‘sudo sysdiagnose’ 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.

Worldwide Developer Relations

Apple Inc.