Update for Microsoft Silverlight 4 (4.0.50826.0)

Available via Windows Update Web Site or http://www.microsoft.com/silverlight/


Issues fixed by this update:

* improves the native extensibility of media stream source that uses the Silverlight technology and the Expression Encoder.

* enables new Add Row functionality in the Silverlight DataGrid control.

* enables you to increase the isolated storage size through registry keys or Group Policy settings.

* improves the startup performance of applications on a computer that enables the Silverlight technology.

* adds the mouse wheel support for out of browser applications on a computer that is running a Mac operating system.

* resolves a security issue. Playback of PlayReady-protected content through a remote desktop connection or a terminal session is now disabled.


* Fixed various memory leaks including:

Memory leaks that occur when mouse capture is used. For example, memory leaks that occur when you use CaptureMouse() in drag-and-drop scenarios.

Memory leaks that occur when UserControl cannot be garbage-collected because it contains inline data template.