I had the same problem today, trying to get rid of the dashed lines for sotf edges (they drive me mad...).
While trying about every option in the attribute editor I went to shapes/ drawing overrides...

Hi,
Did you get in the end a way just to not show the dotted line soft edges?
Was great before, like, il maya 2010 till 2014? Drives me mad too.

Hi me again 3 years later. Same problem still unsolved. Any idea?

Hi,
I work a lot with printscreen, so fine tuning of polygon display in viewports is crucial. I'm trying to jump from Maya 2010 to Maya 2017. In version 2010 hard edge display was 1 pixel wide. In...