Distance Field grass noise flickering

I’ve been playing around with the resolution and every single two sided box tick for the mesh, two signed nodes for the normal and anything that could be related to the distance field but I don’t understand what causes that. The light? The AO? Anyone had the issue and solved it? This makes it unusable for landscapes and grass in general. Is DF only meant to be used for indoors and cities or something?

Ok it seems the two sign node was causing that…

Distancefield does not support vertex animation

Sometimes it seems you need that node in order to get rid of two sided foliage black faces? Have you ever seen that? Can you get rid of that in any other way? That grass is using pivot painter and it went away as soon as I removed that node.