This is the behavior for ArcGIS Pro in relation to reading digital models coming from Autodesk Revit:
ArcGIS Pro 3.0 read Revit files 2022 to 2017
ArcGIS Pro 2.9 read Revit files 2022 to 2017
ArcGIS Pro 2.8 read Revit files 2021 to 2016
Older files get the Unsupported message