Microsoft announce release candidate. Their hitepaper “describes the major differences between the final CTP release (made publicly available in July 2006) and the upcoming Microsoft ASP.NET AJAX v1.0 release (here called the RTM release). It also discusses a “futures” preview version (the Futures release) that adds functionality to the RTM release. (The RTM and the Futures releases together enable the full functionality and customer scenarios that were supported in the early CTP releases.)”.
To download click here ASP.NET AJAX RC download.