Microsoft recently released ASP.NET AJAX 4.0 Preview 5.
The highlights of this release are
- Support for UpdatePanels with ASP.NET 3.5 SP1 or ASP.NET 4.0. There was a compatibility issue with the UpdatePanel in the Preview 4 version.
- Dynamic and recursive templates
- Binding Converters
You also get a Visual Studio project with sample code demonstrating the features of ASP.NET AJAX 4.0 Preview 5.Here are some useful links related to this release: