

– The local peer-to-peer GameKit API (GKSession, GKPeerPickerController, and related classes) is not supported – In the Game Center app, game detail information such as game provider, pricing, etc. – Multiplayer gaming with Game Center between iOS and OS X is not available in this seed
#OS X MAIL PREVIEW PANE FOR MAC#
Code signing, entitlements, and provisioning profiles are all described in detail in Tools Workflow Guide for Mac
#OS X MAIL PREVIEW PANE INSTALL#
– To use Game Center in your game on OS X, you must install a provisioning profile that enables Game Center for your app. – No Top Games are displayed on the Me tab and no game recommendations are shown on the Games tab Games in development will be programmatically switched to use the Sandbox server environment – In this seed, the Game Center application will view Production data by default. – QuickTime screen recordings may produce corrupted videos or cause an exception when run on machines with NVDIA graphics – 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

– Display brightness may be dim after sleep or reboot – Brightness settings may change unexpectedly after reboot – Migration from a Time Machine backup that excludes paths such as /System may yield an unusable system – Restoring from a Time Machine backup via AFP does not work – Time Machine restoration via a AFP share does not work – Network Utility’s Lookup pane does not work

– DVD Player may not launch after inserting a DVD on some systems – Most help topics are unavailable in this Developer Preview – Back to My Mac doesn’t work for the first 5 minutes after rebooting – Mail’s photo browser cannot access the iPhoto library – Some Apple menu items such as Restart may not work when a sandboxed app is in the foreground – iTunes no longer syncs Notes – Pre-Lion FileVault user accounts are not supported in this Developer Preview – Installing OS X 10.8 over 10.7.2 or earlier with FileVault turned on may fail 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. – 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.
