wha are new features of .net Framwork 3.5 service pack 1?

ASP.NET in the .NET Framework 3.5 Service Pack 1 release includes numerous bug fixes. In addition, it includes features for the following:

---Enabling high-productivity data scenarios by using ASP.NET Dynamic Data.
---Supporting the browser navigation in ASP.NET AJAX applications by using ASP.NET AJAX browser history.
---Increasing the download speed for ASP.NET applications by using ASP.NET AJAX script combining.