The Microsoft Dynamics CRM 4.0 SDK download package has been updated. Version 4.0.1 includes several important changes:
1) The Plug-in walk through in the SDK has been updated to match the readme that is included in the SDK\Walkthroughs folder.
2) The Readme file in the SDK\tools\deployworkflowtool folder has been corrected.
3) Additional sample code has been added in the Scripting Sample Code topic.
4) New content has been added to the URL Addressable Forms topic.
In addition to the download, this release will be appearing live on MSDN in the developer center library any day now! Also coming soon is a new series of introductory technical articles on the Learn tab in the developer center.