Version 7.1 is a maintenance release that contains many improvements since the IntelliCAD 7.0 release, while also including performance enhancements throughout in areas such as printing, zooming, multiline text, and .pdf file export. CMS IntelliCAD 7.1 also supports new features: attach .dgn files, drag-and-drop layouts between drawings, invert image clips (raster image support is available in Professional versions).