Chaos Phoenix is officially supported by the two most recent major V-Ray versions.
For example, Phoenix 5 is currently supported by V-Ray Next and V-Ray 5. Once V-Ray 6 is officially released, Phoenix 5 will be compatible with V-Ray 5 and V-Ray 6.
Important Notice: Due to a high volume of inquiries, our response times may be delayed. We apologize for this, and appreciate your patience as our team works diligently to address your concerns. Thank you for your understanding! If you are experiencing licensing issues related to the Enscape 4.1 release, please visit our detailed FAQ document here