This beta version 1.0 is not compatible with SilverLight 2.0. So, the pages that require Silver light 2 will show mistake and demanding to install it.It is expected that the SilverLight 2 supported version will be implemented soon.
This release has performance enhancements with animation, media and rendering and supports Microsoft Media Pack. The plug-in is available for Intel 32-bit and 64-bit platforms and supports Firefox2 and 3. Supported operating systems: SUSE Linux, Ubuntu 8.04, Fedora Core 9, etc[via]