Sounds typical of software behemoths and sometimes even software companies a bit more on the svelte side (hint, hint).
I know you have probably as much or more invested (both in time and dollars) in D-Tools as I do. I just wanted to give you a hard time

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I'll let you know if I get any feedback fromthe platform group or the labs folks. They both know the ACAD package intimately.
FYI: Shocking to know that the code base for AutoCAD exceeds that for Windows. Some of which goes back to the 80's...