---
title: "7.40.04"
canonical: "https://documentation.chaos.com/space/VMAX/1115029538/7.40.04"
format: markdown
---
## V-Ray 7, update 4, hotfix 2

*Official release*

Date - Aug 13, 2026


> Macro (ui-button)

 


### **New features**

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**V-Ray**

- Initial rendering support of the native 3D Gaussian Splat from 3ds Max
- Initial implementation of In-product Notification


### **Modified features**

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**V-Ray**

- Added support for USD 0.15 & USD 0.16
- Restore editing capabilities for the Scans materials in V-Ray Solo plan
- Set middle layers in V-Ray Parallax Texture to visible by default
- Add Autoexposure to Chaos Vantage in viewport when using Perspective view


### **Bugfixes**

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**V-Ray**

- Reflections data of GI from light surface remains in Rest channel of V-Ray LightMix if Denoise Light Cache is enabled in V-Ray Denoiser
- V-Ray not being saved as default renderer
- Wrong visibility overrides for Gaussian splats in V-Ray Physical Camera on Interactive Production Rendering
- Chaos Veras: Copy buttons for Share links don't work
- Chaos Veras: Improve "Loading" loop after "Render" with Chaos Veras in V-Ray for 3ds Max
- Wrong visibility overrides for lights in V-Ray Physical Camera on Interactive Production Rendering.
- Wrong visibility overrides for objects in V-Ray Physical Camera on export
- FumeFX scene with cloth crashes with V-Ray 7.4.1
- Chaos Vantage Live-Link is immediately started when selected from the fly-out in Chaos Vantage toolbar, but the button state is not updated to active this way


**V-Ray GPU**

- HIP shows as Unknown Engine type in the stats tab in the frame buffer
- Scenes with texture compression are crashing with HIP engine


**VFB**

- Bad blending between environment color and VFB's image layer in the Background
- VRayGaussiansGeom's lighting blend value different from 1 causes B2B differences
- Rotation of Vignette layer > 45deg causes issues with offset UI handles


**VRayVolumeGrid **

- Incorrect shading of backfacing geometry when there is Chaos Phoenix Simulator, V-Ray Volume Grid, or Environment Fog in the scene