- Numerous fixes to crashing issues.
- Fixed the crashing issue when switching between tabs- this led many people to always open new files in new copies of AutoCAD. This is no longer necessary, you can simply do a File->Open and work with another file.
- Fixed issues with polyline routes and direction of drawing vs inside/outside.
- Speed improvements in transferring data to S2M.
- Fix for metric drawings not outputing proper sizes.
- Support for AutoCAD 2021.
- Drop support for AutoCAD editions 2014-2017. Sorry.
- Added arc as an machinable entity.