These issues are a major pain in the ass.....In no particular order......
1.) Non equal weighting of spline tangent length at endpoints, especially out of whack on 2 point spline.
2.) Erratic behavior of spline curvature when sketching a spline (even more so when sketching around a shape.)
3.) Control polygon no longer shows all of the CV’s (control polygon points). When a 3 point spline is drawn in 2010 only 3 CV’s are shown. In 2008 all 5 CV’s are shown
Can Solidworks please stop guessing curvature of splines for me?? It guesses wrong almost everytime. Making adjustments to correct this is a major workflow slowdown.