NVIDIA revealed in a blog post that Diablo 4 will officially support ray tracing starting this March.
In March, all existing content will look better thanks to the addition of 3 ray-traced effects: armor, water, windows, and other suitably reflective surfaces will now feature accurate, realistic ray-traced reflections and ray-traced transparent reflections. You can read the announcement here.
NVIDIA shared a video showcasing ray tracing in Diablo 4. Check it out!