"""""""""About a year ago, there were some issues with normals when the software just came out, but those were promptly fixed.""""""""

Pretty sure that the guy writing the software came here and outright denied there was any issue and told the user to shove off...

Maybe you can revisit that thread and do the "test" to see if they are still throwing away/overwriting/ignoring the original vertex nomals for the NURBS data...