We have released a new version of Aspose.Workflow v1.6.0.0 today.

Aspose.Workflow now provided built-in support for .NET Framework 3.5. Moreover, we also improved the performance of xpdl parsing and xml data processing.

Please check out the download page:

http://www.aspose.com/community/files/54/utility-components/aspose.workflow/default.aspx