Now that Fusion has control point splines. It would be nice to have this option for Lofting also. What Rhino calls a "loose Loft". There the profiles are used as control curves for a surface instead of like a regular spline where the surface is forced through the profile. Instead it can "drag" the surface in that direction.
This will improve Fusion360 to produce complex smooth (faired) surfaces.
A nice inspiration is how this is done with Rhino in this blogpost:
http://rhinocentre.blogspot.com/2009/11/rhino-rapid-hull-modeling-methodology.html