Animation choppy for parallax sections - Firefox and Safari OSX

[hogash]

Hey guys. I've been playing a lot lately with SM and love it and it helps throughout the entire project.

I'm currently experiencing jittery / choppy / jumpy /etc. on Safari / Firefox OSX but from what i've heard on Windows as well. For example for the parallax section scrolling example http://scrollmagic.io/examples/advanced/parallax_scrolling.html .

Here's a screencast on Firefox OSX - http://hogash.d.pr/19nbG. When it's smooth, i'm using keys or touchpad, so it basically happens only on mousewheel. Also here's for Safari http://hogash.d.pr/1hYZl .

Thanks!

[kate-ivanova]

The same problem. I'm using scrollmagic + GSAP for parallax.

[krnlde]

Possible dupe of #316, #488.