The Step & Repeat 3D View and GridWarp 3D view (both using the ArtRender module) are not available in this version. You can continue using the ArtRender module in ArtPro 16.1.1.
The Preflight Profile Editor is not available in this version. You can use the built-in Enfocus Preflight Editor in ArtPro+ (ArtPro and ArtPro+ can be run on the same workstation using your ArtPro license, no additional license is required).
Viewer Compare is not available in this version. ArtPro+ has a Quality Control Compare tool that can be used to compare files (ArtPro and ArtPro+ can be run on the same workstation using your ArtPro license, no additional license is required).