First Windows 7 patch is out

Seems the first patch for Windows 7 is already out. Actually it is for both Windows 7 and Windows Server 2008.
From the KB974332:
The Windows 7 and Windows Server 2008 R2 Application Compatibility Update is a software update that improves the compatibility experience in Windows 7 and Windows Server 2008 R2. Microsoft regularly releases Windows 7 and Windows Server 2008 R2 Application Compatibility Updates.
The kinds of problems that are resolved by application compatibility updates
When you try to install and run certain legacy games or applications in Windows 7 and Windows Server 2008 R2, you may experience one or more of the following symptoms:
* The game, the application, or the firmware is installed incorrectly.
* The game, the application, or the firmware causes system instability.
* The primary functions of the game, the application, or the firmware do not work correctly.