Secondary Channel for Optional Textures (Bump, Roughness)

So I was thinking how it would be awesome if we could possibly have a secondary image channel under the height and roughness properties.. that way instead of having to play around mixing multiple roughness / height maps you could simply upload two individually with Layer 1 and Layer 2 (bottom / top) and have opacity sliders respectively?

Not sure if that’s even possible but thought that it would be extremely helpful and allow for faster workflow.

e.g a tile with a displacement texture for the height (mortar and tile) and another texture for that slight wobble you get when looking at a tile..

Maybe too extreme idk haha

This has been brought up multiple times since 2018, see threads below.

RE: heigh maps drop down menu

Bump and displacement map

RE: normal and displacement maps?

RE: 3.1 is here, why are these features/ fixes still missing?

RE: Mixing materials

Material Editing & Render Physics