Versions

WPF 4.0

The latest of release of WPF adds a number of refinements, including some valuable new features that build on the existing WPF infrastructure. Some of the most notable changes include better text rendering, more natural animation, and support for Windows 7 features such as multitouch and the new taskbar.

WPF 3.5 SP1

When the .NET Framework Service Pack 1 (SP1) was released, the designers of WPF had a chance to slip in a few new features, such as slick graphical effects (courtesy of pixel shaders) and the sophisticated DataGrid control.

WPF 3.5.

A year later, a new version of WPF was released as part of the .NET
Framework 3.5. The new features in WPF are mostly minor refinements, including
bug fixes and performance improvements.

WPF 3.0.

The first version of WPF was released with two other new technologies:
Windows Communication Foundation (WCF) and Windows Workflow Foundation
(WF). Together, these three technologies were called the .NET Framework 3.0.