Disclaimer: As of today, Autodesk Revit 2027 has not been officially released. The official release is typically expected in April 2025. The following write-up is a predictive analysis based on Autodesk's public roadmap, industry trends, and the trajectory of recent releases (Revit 2024 and 2025).
Revit 2027 is not the final destination. Autodesk has already leaked the roadmap for Revit 2028, which will include "Voice-activated BIM" (select by voice commands) and "Automated Code Compliance" (AI that highlights egress violations as you draw). revit 2027
.obj, .gltf, and .3dm import as "Reference Meshes" that can be snapped to, hosted on, and used as massing references. Meshes can be converted to native Revit geometry with a new "Mesh to Element" tool.