The most significant addition is the Named Views panel .
When you insert a named view into paper space, AutoCAD automatically scales it, sizes the viewport, and locks it for you.
Utilize the Autodesk Support Network for technical troubleshooting and version compatibility guides.
Improved functionality for importing PDF geometry, including better scaling and a preview image to help identify files before importing.
The 18.1 update focused on workflow automation and improved external file handling.