The best vray all versions list hot for production in 2025 is V-Ray 6.10.02 (for stability) and V-Ray 6.20.00 (for features). For legacy hardware, V-Ray 3.60.04 remains the undisputed king of "hot fixes."
Throughout the history of V-Ray, Chaos Group has released numerous hot fixes and minor updates to address specific issues, improve stability, and add small features. Some notable hot fixes include: vray+all+versions+list+hot