Nope. I usually turn it off since it greatly slows down my old PC. So I guess I'll just turn it on when exporting 2d images.
Thanks for the suggestions!

Exactly what the title says. I upgraded my Sketchup version to 7.1 and every time I switch to Hidden line view, the softened edges won't appear. The only Plugin currently installed in my system is Sketchy Physics.
The problems can be seen on the shoulders, knees and abdomen of this model: