Upgraded from 4.26 to 5, my plants and Niagara FX now have this odd motion blur

[IzzyMC]

Looks like the same issue as this post:

WPO issue in UE 5.0 on all materials, severe smear/dither

All materials that use WPO for animation have this issue. For example, this is the Megascans trees, the ‘BlackAlder_Asset_Zoo’ map: (It might not be fully visible on the compressed video, if so, please try downloading the mp4 file) Is it a known issue? It’s quite hard to miss. Update: Some materials seem to be ok, for example, my grass material in Dynamic Grass System. But my tree materials (and other Marketplace trees that I have) all have this smearing.dithering issue. I’m inves…