Autodesk released AutoCAD 2017 on March 21st. New versions of PROCAD software compatible with this new release will be available within a couple of months from that date.
PROCAD V2017 will also support older version including AutoCAD 2016, 2015, 2014 and 2013. So even if you have an older version of AutoCAD, you will get the latest version of PROCAD.
The PROCAD+ V2017 products will follow shortly after and will include their own CAD engine.