Announcing the immediate availability of the XAML Spy March 2013 Update. Among others this update adds support for Silverlight 5.1.20125.0 and JetBrains dotPeek decompiler.
Decompilation with XAML Spy now supports dotPeek, the free .NET decompiler from JetBrains. Configure your favorite decompiler, whether it’s dotPeek, ILSpy, JustDecompile or .NET Reflector, in the XAML Spy settings.
For a complete list of changes see the release history.