The Release to Manufacturing of Service Pack 2 for Windows Vista and Windows Server 2008.
This document describes the notable changes in the Windows Vista SP2 and Windows Server 2008 SP2 release. For a complete list of all the hotfixes and security updates in SP2, see Hotfixes and Security Updates in Windows Server 2008 SP2 and Windows Vista SP2.
Overview: Notable changes document
Programs that are known to experience a loss of functionality after you install Service Pack 2 for Windows Vista or for Windows Server 2008.
http://support.microsoft.com/kb/969707/
This article should not be considered a comprehensive list of programs that experience loss of functionality when they run on a Windows Vista SP2-based or a Windows Server 2008 SP2-based computer.
