Volume Shader and RenderGeometry Settings

[frame48]

When I turn the Primary visibility off on a volume using the new Volume Shader it seems to be completely turning it off so no shadows are being cast. Is this a known bug?

Using houdini 20.5.445
V-Ray for Houdini number:22910 hash:0c268b3 from 22 Mar 2025 01:42
V-Ray Core 7.00.12 [3b5b5b67] from 11 Mar 2025