Is it gfx.webrender.enabled that you are talking about, because that's the only one i could find?

Is there really no way of getting rid of this annoying screen tearing, besides buying a g-sync monitor? I have gotten rid of screen tearing in my games by using nvidia's fast sync, so it should be...

I have already disabled smooth scrolling a long time ago, as i find it a bit annoying.

I have a seriously annoying problem with screen tearing in firefox. It's so bad that it sometimes makes it unwatchable if im watching a video. I have tried enabling v-sync for firefox in nvidias...