A suggestion, if possible, is to add an option to VrayDecal to apply it to a specific material. For example, in the case of objects with multi-material, apply it only to the specified ID or material name.
Light filters like Barndoors, Gobos, Attenuation,...
There's currently only a very limited set of ways to control vray lights. Other renderers have a wide range of ways to shape and affect light sources. Ranging from simple barndoor controls, over spotlight control and softness to focus tinting and ...
V-Ray implementation of Ray Portal BSDF is expected. The Blender version is below. https://docs.blender.org/manual/en/4.3/render/shader_nodes/shader/ray_portal.html
Min/Max settings for VRayAerialPerspective - height and distance
As per this post: https://forums.chaos.com/forum/v-ray-for-3ds-max-forums/v-ray-for-3ds-max-wishlist/1153390-min-max-settings-for-both-vrayaerialperspective-and-vrayenvironmentfog-height-and-distance#post1215996 VRayAerialPerspective Visibility ra...
There could be a notification in the log window in VFB where the problematic assets could have a link. This link will point to the object in the scene. Once the link is clicked it will select the object.
Similar to Arnold Lights where you can change the shape and soft edges of the light, suitable for reflections, currently we can use VraySoftBox map to achieve soft edges but its nott very practical