Ray tracing is enabled in Diablo IV as of March 26, 2024 on all platforms that support it.
1.3.5 Build #51501 (All Platforms) – March 26, 2024
GAME UPDATES
Patch 1.3.5. introduces Raytracing to all supported platforms and updates to Ambient Occlusion and Contact Shadows. For more details, please visit this article.
BUG FIXES
Fixed an issue where the Portal entrance to the Gauntlet didn't apply Portal cosmetics.
Fixed an issue where the ability to interact with certain things would not function if Corpse Tendrils was equipped to the same key binding as ‘Interact’.
Fixed an issue where some elites could not properly spawn in the second half of the Path of the Blind dungeon.
Fixed an issue where some headstone cosmetics would not appear in the Wardrobe.
Various performance, stability, and visual improvements.
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That’s the short of it for the patch notes on March 26 for Diablo IV on all platforms.