For surfacing related commands, I think this is the current list of changes.
FilletSrf has now a dialog box version (old style is using dashed version -FilletSrf) with more options:
- Interactive preview
- Deformable G1 blends
FilletSrfToRail (new)
FilletSrfCrv (new)
RefitTrim has been improved
SplitRefitSurface (new)
BlendSrf will now remember its handle slider settings when editing
FitCurveToSurface (new)
ConvertToSingleSpans (new)