Blendmaterial wont work in Additive mode if the Base Material is partly transparent.

[oglu]

Blendmaterial wont work in Additive mode if the Base Material is partly transparent.
Is this a known issue?

Im on Maya2019.2 and Vray 4.12
Latest Nvidia Drivers

[hermit.crab]

Thanks for the report! I'll make a note about it for our developers to look into.