Ok, it’s a feature suggestion to blender.
As far as I know there are no official support for parallax mapping in blender (you can make one yourself and there is an example right here: Parallax shader with Silhouette Clipping for Blender 2.8 Eevee and Cycles )
but I hear there is a (edit:ok not new but new to me! ) technique called Cone step mapping that is far superior to parallax.
documented here I think:
example of Cone step mapping:
Could we have that in blender? I was going to suggest this in right click select but right now it gives me 503 error.
This will look very good in eevee.