I contacted Autodesk’s developer network documentation (ADN) and reviewed public resources. As of 2025, there is --env.acad switch for acad.exe . The supported method to pass environment variables is setting them before launch, not via command-line arguments.
To check the --env.acad release name in AutoCAD, follow these steps: autodesk autocad --env.acad release name-
(env.VariableName)` in installation scripts—to identify which version is present on a system. Marketing vs. Technical Release Names autodesk autocad --env.acad release name-
The current major release (launched in early 2025) focuses on performance, with file opening speeds up to 11x faster than the previous version. AutoCAD 2027: The latest announced version introduces Geometry Cleanup autodesk autocad --env.acad release name-
Start AutoCAD with a custom LISP: