Description of the update for Silverlight 1.0: April 4, 2008

An update is available for Microsoft Silverlight 1.0. This new build (1.0.30401.0) is an upgrade to previous builds. This update is included in current Silverlight installers. If your computer does not have Silverlight installed, the installer may be offered to you by Microsoft Update or by WSUS.

This update includes improved media performance. This improved performance includes support for custom attributes in ASX files. The update also includes improved font support for Apple OS X v10.5 (also known as Leopard), an improved media shutdown experience, and improved multiple language support during installation.

For more information, see the Silverlight 1.0 release notes. To do this, visit the following Microsoft Web site:

Installation information

This update is available from the following sources.

Microsoft Silverlight site

The Silverlight installer includes all previous updates, together with this update. To install the latest version of Silverlight, visit the following Microsoft Silverlight Web site:

Microsoft Update

Microsoft Silverlight 1.0 is also available to users of Microsoft Update. If you have an earlier version of Microsoft Silverlight 1.0 that is installed, you will be offered this update as “Update for Microsoft Silverlight 1.0 (KB951213)." If you do not have Silverlight 1.0 installed, you may be offered the latest Silverlight 1.0 installer, “Microsoft Silverlight 1.0 (KB 951213)."

To install the latest version of Silverlight 1.0 from Microsoft Update, visit the following Microsoft Web site:

WSUS

This update is also available on Microsoft Update through Microsoft Windows Server Update Services (WSUS). If a computer has an earlier version of Microsoft Silverlight 1.0 installed, the computer will be offered this update as “Update for Microsoft Silverlight 1.0 (KB951213)." If a computer does not have Silverlight 1.0 installed, the computer may be offered the latest Silverlight 1.0 installer, “Microsoft Silverlight 1.0 (KB 951213)."

Silverlight 1.0 contains an auto-updating mechanism. By default, this mechanism is turned off in the WSUS package. Future updates will be provided through WSUS updates.

Microsoft Silverlight is a cross-browser, multi-environment plug-in that intends to deliver the next generation of Microsoft .NET–based media experiences and rich interactive applications for the Web. For more information, visit the following Microsoft Web site: The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.