Patches + updates Revit, Robot, Steel 14MB 7625× 10.08.2023 BIM Interoperability Tools for Revit 2021, V9.1.8599 - Classification Manager, COBie Extension, Model Checker (subscription) Ver: 9.1.8599 LINK External link β opens in a new browser window. The Autodesk server may require users to log in separately (with their Autodesk ID). Open Link ▶ β Close