DG Kernel is considered a new product. Most features of KernelCAD are supported
Improved support for parametric modeling using expanded and improved interface, new examples and documentation
Interface set has been redesigned to simplify and make it uniform across all technologies. Old interfaces are supported also
New .mdg file format is better suited for future development. The previus .glm format is still supported. It is possible to convert glm to mdg and vice versa
In the new interface (DG Interface) Section term has been replaced with Entity to follow closer the industry standard
New Geometry concept allows isolation of internal geometry of an object from its role in model hierarchy and its 3D placement and orientation
See more details in "what's new" help topic
Please visit this forum thread for an informal discussion.