Microsoft has announced the Release to Manufacturing (RTM) of Service Pack 2 (SP2) for Windows Vista and Windows Server 2008. It includes all updates that have been delivered since SP1, as well as support for new types of hardware and emerging hardware standards.
As was mentioned before, here are some of the key benefits of Windows Vista SP2:
•Windows Search 4.0 for faster and improved relevancy in searches
•Bluetooth 2.1 Feature Pack supporting the most recent specification for Bluetooth Technology
•Ability to record data on to Blu-Ray media natively in Windows Vista
•Adds Windows Connect Now (WCN) to simplify Wi-Fi Configuration
•Windows Vista SP2 enables the exFAT file system to support UTC timestamps, which allows correct file synchronization across time zones.
And since it comes with a single installer for both Windows Vista and Windows Server 2008, SP2 will be easy for IT Pros to manage, deploy, and support. For a complete overview of the changes introduced in SP2 for Windows Vista and Windows Server 2008, check out the notable changes document on TechNet.
Windows Vista and Windows Server 2008 SP2 to be publicly available in Q2 2009
Windows Vista SP1 Service Pack Blocker Tool is being removed today, as was announced back in January. For customers who previously had the blocker tool in place, Windows Vista SP1 will now be offered to them via Windows Update
Vista SP2 RTM (KB948465) has download size 338.2 MB – 388.3 MB.
Vista SP 1 is a prerequisite for installing Service Pack 2. Please make sure that your system is running Service Pack 1 before you install Service Pack 2. Windows Server 2008 SP2 Release Candidate and Windows Vista Service Pack 2 Release Candidate – Five Language Standalone version can be installed on systems with any of the following language versions: English, French, German, Japanese, or Spanish.
Source: The Windows Blog.