Does anyone on the list know what are the latest security improvements of Microsoft Silverlight Build  3.0.50106.00, released on 19th January?

References:
http://support.microsoft.com/kb/979202 

http://download.microsoft.com/download/F/D/8/FD8F5947-78FF-40A5-9A34-5E35243C12E4/50106/Microsoft%20Silverlight%20Release%20History.htm#SL_3_50106 
(downloadable .htm file)

Juha-Matti