In blender when baking with a multiresolution modifier from this highpoly: The baked normal-map on the low-poly looks like this when using "Bake from multires": These are the UV seams: I thought it had to do with UV seams first, but it's unable to bake round edges anywhere at all, anywhere on the model. I noticed that…
If you're using bake from multires, what it considers low-poly is what the Viewport Level is in the modifier. What's considered the high-poly is the render level in the modifier. This is the settings I baked this with: Isn't this workflow pretty default in zbrush though? Was a long time since I used it but I remember you…