The Deep Zoom Composer got an update with new added features and numerous bug fixes; you can check if you have the latest version by opening up Deep Zoom composer, then navigate to Help > About Deep Zoom Composer and check if it says November 2008 Release.

What’s new in this release:

• Seadragon Ajax Support, you can now export your compositions as a Seadragon Ajax project
  Seadragon AJAX is a JavaScript-based implementation of the Deep Zoom functionality found in Silverlight. This can be used if you don’t want to “force” your readers to install Silverlight and still want to offer zoom capabilities.
• New and Improved API, easier integration of Deep Zoom tiling functionality into your own applications through a .NET/managed DLL
• Updated Project Templates for both Silverlight and Seadragon AJAX

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