V-Ray 6 for 3ds Max supports 3ds Max 2018–2023. Several V-Ray features require 3ds Max 2019 or newer to work, including V-Ray Proxy hierarchy, batch loading multi-sub textures, faster UI, and Chaos Cloud collaboration from the VFB.
Due to an exceptionally high number of inquiries, we're currently facing a larger than usual backlog of tickets. We sincerely apologize for any inconvenience this may cause and appreciate your understanding and patience.