What’s new in .NET Framework 4.0?

Good question. There are a few things we know about Microsoft’s managed application runtime and class library: There will be major updates to the Windows Communication Foundation (WCF) and Workflow Foundation (WF). According to this announcement along with this post by Steven Martin we are going to see “better support for Web 2.0 technologies like REST, POX and ATOM” and a 10x performance increase in WF.