New Ruby Scripting
New scripting language, compatible with Google SketchUp Ruby scripts, uses the Ruby Scripting Console for writing program scripts suitable for both mechanical and architectural design. (Deluxe, Pro, and Platinum)
Enhanced Software Development Kit
SDK samples and .NET support have been added. (Pro and Platinum only)
New AutoCAD® 2011 .DWG/.DXF Compatibility
Filter enhancements offer improved file sharing with AutoCAD 2010 and 2011. (All levels)
New Support for Google SketchUp v8
Updates to TurboCAD’s .SKP filter allows users to now read/write Google SketchUp files up to version 8. (Deluxe, Pro, and Platinum)