With each release the feature base is increased and/or enhanced. If you go
to the autodesk website/products/revit building you will be able to veiw
pdfs that describe the changes/enhancements for those releases.
wrote in message news:5454333@discussion.autodesk.com...
I'm a new user to Revit Building, i have AutoCAD background from 2002-2007
and minimum knowledge in Architectural Desktop. I was wondering what the
differences are in Revit Building 8.1 and Revit Building 9.1?