Microsoft ASP.NET AJAX is finally final...
Microsoft announced final release of Microsoft AJAX 1.0 for ASP.NET 2.0 (known as code name ATLAS). You can download it from ajax.asp.net. More in-depth information about breaking changes in thise release can be found on Scott Guthrie's blog at weblogs.asp.net/scottgu, (just to be precise, take a look at this post). As usual, Scott posted more useful information on AJAX here: Links to ASP.NET AJAX 1.0 resources, and answers to some common questions.
This release is followed with final version of AJAX Control Toolkit, that
offers developers a rich variety of client-side controls and extenders through a compilation of code samples and components...