Does Create support output a gray image?

can not find from doc, any plan to support it?

I do not know about Create, but Machinima has this option:

Maybe you could render out your Create scene from Machinima. I do it all the time…

Thank for you reply, I will check it

reshade seem not work with fisheye camera, and it reduce fps.
I want acquire single channel output from viewport, not default rgb, viewport seems not support it.