From:  rayman
664.5 In reply to 664.2 
> 4. - to include conical extrude

Right now I was planning on including this for version 2.0. But here is a method that you can use to get the same result for the current version. Say you want to do a conical type extrude of this shape:

Like I posted in the new feature section ... a taper and a bend function that uses curves as rails would be better
that function could be used on curves as well ....