About model and data exchange with 3rd party solutions: Revit, Solibri, dRofus, Bluebeam, structural analysis solutions, and IFC, BCF and DXF/DWG-based exchange, etc.
You have probably installed 3ds-in plugin after applying the hotfix, right?
if so You should apply the hotfix once again on the same AC. 3ds plug installer contains the first version of the plug and is updated with every AC hotfix.