I think would be very usefull and lightweight instead of using layer nodes, mostly for procedural stuff like darkening/tint areas with cuvature/dirt, or lookdev characters with dedicated maps for make up, sweat, skintones.
Transparency for rendered export elements such as shadows or lighting
Many architects export rendered elements such as shadows, lighting or occlusions to use as underlays and overlays with linework. However, VRay only exports these with a black background. For example, if you wish to use these rendered elements unde...
If I change small details at a scene after a rendering is done than I would like to start a new rendering without the previous rendering is reset and no prepasses are shown. So I could move the mouse to the interesting areas per "follow mouse" and...