: Improved hydronic networks to support headered systems and parallel pump analysis. Risk Considerations
: Enabled the visibility and manipulation of level heights directly in orthographic and perspective 3D views. Uncropped Perspective Views
: Added tools for modeling structural steel connections, including plates, bolts, welds, and anchors directly within the 3D model. Complex Piping Networks
For safe and official access, you can explore legitimate options on the Autodesk Revit Product Page Revit 2019 New Features - - Man and Machine
: Provided an immersive 3D experience by allowing users to work in uncropped perspective views, similar to other visualization tools. Detailed Steel Design