Render mask clear not clearing render from VFB

[seandunderdale]

I have mad a post about this but it didnt get any traction. My issue is if I render my shot, then try to isolate my foreground as a render, ticking the "render mask clear" doesnt not remove the previous render, so I cant render my layer in the VFB and save out my layers. I have attached a scene. If you render the blue layer, then try to render the red layer, you wont get two assets separated, which is the intent. You get a blue shape on the blue l;ayer, but a blue and red shape on the red layer. If Im misunderstanding the purpose of "render mask clear" then Id be happy to know.

Im using Maya 2020 and V-Ray 5 for Maya, update 1

(v5.10.20 from Jun 15 2021)

[hermit.crab]

Thanks for the report and provided scene. We are aware of the issue not functioning properly. Our developers are already informed about the matter.

EDIT: Found your previous topic. Just so you know the issue is logged (internal bug-tracker id: VMAYA-10419).