I've been noticing this after a bridge, and it's becoming very frustrating. I get these floating edges when i try and smooth, what are they and how do I get rid of them? Thanks!
It's normal, they are often left over vertices. If you want to get rid of them select the unwanted edges or vertices and press "backspace" key on the keyboard, as this will delete your selection but will leave everything around it untouched, contrary to delete that will remove shared geo. You can also look for floating…