MS 终于发布了Silverlight 2的正式版， http://silverlight.net 从和 Silverlight 1 比较中看, Silverlight 2 增加了诸多新特性：
Support for Visual Basic.NET and C#; Common Language Runtime (CLR) based languages
Support for IronPython, IronRuby, Managed JScript, and other Dynamic Language Runtime (DLR) based languages
Rich Core Framework (e.g. Generics, collections)
MultiThreading
Layout controls including StackPanel and Grid
Full suite of Controls (TextBox, RadioButton, Slider, Calendar, DatePicker, DataGrid, ListBox, TabControl, and others)
Managed Control Framework
Templating Model
Visual State Manager
Isolated Storage
Deep Zoom Technology
Media – DRM Powered by PlayReady
Media Windows Media Audio 10 Professional support
Media MediaStreamSource for managed code media file parser and protocol extensibility
High quality resizing
Media Basic SSPL Support
Cross Domain Network Access
Easy access to serverside data via Web Services
Direct access to TCP sockets
Interoperability with SOAP and REST services, including support for XML, JSON, RSS and Atom data formats
LINQ (including LINQ to XML, LINQ to JSON, and LINQ to Entities)
Duplex communications (“push” from Server to Silverlight client)
Data Binding
ADO.NET Data Services
Managed HTML Bridge
Managed Exception Handling
.NET Framework Security Enforcement
Type Safety Verification
XMLReader/Writer
Enhanced Keyboard Input Support
File Upload Support (via WebClient API)
WPF Compatibility
Accessibility
Localization
Remote Debugging (PC and Mac)