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Table of Contents


V-Ray 7

Official release

Date - Jan 28, 2025

Build 7.00.02


Download V-Ray for Maya

New features


V-Ray

  • Added support for rendering Gaussian splatting models
  • Added support for OpenPBR mode in VRayMtl
  • Added support for OpenPBR Surface in MaterialX
  • Added support for Maya native OpenPBR Surface introduced in Maya 2025.3
  • Implement Firefly removal algorithm for Bucket mode
  • Added support for shadow contribution in Light Path Expressions
  • Implemented Pin Corners mode for Preserve Map Borders for V-Ray Subdivisions

Denoiser

  • Added prefilter option to Intel Open Image Denoiser for better detail retention

USD

  • Added support for MayaUSD 0.28 for 2024 and 2025
  • Added support for MayaUSD 0.30 for Maya 2024 and 2025
  • Added support for USD 0.23.11 for standalone and moved USD installation to versioned folders
  • Added support for VRayClipper
  • Added USD 0.23.11 to Windows builds of Maya 2022, 2023 and 2024

Chaos Cosmos

  • Added Multi-asset Selection import for Chaos Cosmos
  • Implemented support for Cosmos Assets with Variants
  • Implemented support for V-Ray Luminaire

Chaos Scatter

  • Introduced altitude falloff curve
  • Introduced Look At function

VFB

  • Implemented custom regions
  • Added "Soft" stop for retaining post effects when stopping rendering
  • Added ability to drag and open a file directly in VFB
  • Added file format options for file saving from the VFB
  • Added Filters tab for color corrections presets
  • Added Vignette layer
  • Image Alpha can be used as a mask


V-Ray GPU

  • Implement support of caustics

Installer

  • Enable Metal support on macOS


Modified features

V-Ray

  • Switch to AVX2
  • Store the cryptomatte manifest in a separate file
  • Added V-Ray Material Overrides for standardSurface and usdPreviewSurface
  • Added support for mixing material and light tags in LPE
  • Added V-Ray Ideas portal link in the V-Ray tab menu
  • Hid Default Geometry from the interface and set to auto internally
  • Hid Embree Conserve Memory from the interface and set to false internally
  • Hid the Blue Noise Sampling from the interface and set default to true internally
  • Hid the GI Probabilistic Volumetric Samples from the interface and set default to 1 internally
  • Hid the GI Texture Filter Multiplier from the interface and set value to 5 internally
  • Hid the Unclamped Color render element
  • Hid Use Global Hair Tree from the interface and set to true internally
  • Removed Don't Render Final Image option from the interface and set to off by default
  • Removed Dynamic Memory Limit from the interface and always set to 0
  • Removed legacy color-mapping options
  • Removed Material Library from the V-Ray shelf
  • Added links to EULA and GCPP from Render Settings
  • Improve jpg texture loading speed
  • Improve loading performance and memory use of png bitmaps
  • Improved loading performance and memory use of OpenEXR bitmaps
  • Optimized loading performance and memory use of TIFF bitmaps
  • Added additional ray and hit info to the visual debugger output

Installer

  • Change default directories from Chaos Group to Chaos
  • Remove the Maya root directory field and variable from the installer
  • Add new plugininfo tool
  • Add support for installing V-Ray on QT minimal and offscreen platforms
  • Add the new text for the Global Consumer Privacy Policy to the installer

VFB

  • Added color space support for lookup layers in the VFB
  • Added fine-sliding and step-sliding functionality to VFB sliders
  • Added thin lines to indicate fixed layers
  • Improved performance with scenes using multiple Curve layers
  • Improved the Curves layer interface
  • Refined control over the Strength slider in Chromatic aberration menu

MaterialX

  • Add support for default color, Address Mode U, Address Mode V and closest filter mode in Image node
  • Added support for Blend value for MaterialX triplanar texture
  • Fixed incorrect Color correction texture defaults
  • Support for fallback color in UsdUVTexture

Denoiser

  • Updated Intel Open Image Denoiser to version 2.3.0

USD

  • Added USD support for crease sets

VRaySun/VRaySky

  • Implemented improved PRG sky model to VRaySky

Chaos Scatter

  • Added support for curves as targets in 2D mode

Chaos Vantage

  • Skip Vantage home screen in Live-Link
  • Export attribute used for Chaos Vantage Wind for relevant Cosmos assets

Viewport IPR

  • Update the default settings for the GPU IPR

VRayMtl

  • Hid legacy Use Irradiance Map and Fix dark edges options from the interface
  • Hid GTR Energy Compensation and Use Legacy GTR Anisotropy from the interface

VRayProxy

  • Add Force Default Shader option to VRayProxy

VRayDecal

  • Added support for Custom user data parameters support for V-Ray Decal

V-Ray GPU

  • Improved the bitmap sampling before transferring them to the GPU
  • Updated the default settings for IPR Rays Per Pixel and IPR Ray Bundle Size
  • Disabled Post Effects Rate for Production rendering with Progressive Sampler for better performance
  • Improved error message when the texcompress library fails to load
  • Removed Low Priority option from the GPU device selection tab
  • Removed Low Priority option from the standalone Device Selector tool;
  • Removed on-demand mip-mapping Textures Mode from the GPU interface


Bug fixes

V-Ray

  • Fixed artefacts on thicker hair/fur strands
  • Fixed artefacts with overlapping animated geometry
  • Fixed crash when applying VRayMtl in scenes with large HDRs in VRayDomeLight
  • Fixed crash when creating V-Ray Light and Chaos Scatter nodes
  • Fixed crash when opening a new scene during rendering
  • Fixed crash when ParticleTex doesn't have "color" parameter set
  • Fixed disappearing USD prims when translating the usd node from the outliner during IPR
  • Fixed Displacement sequence files not loading on random frames
  • Fixed fatal error with some Path guiding scenes rendered with USD
  • Fixed Fog color in VRayMtl not rendering animated values
  • Fixed incorrect Denoiser results with Xeon processors on specific scene
  • Fixed incorrect name export for custom OCIO Colorspace
  • Fixed incorrect Preserve borders effect on UV subdivisions on closed meshes with VRay Subdivisions
  • Fixed incorrect result with Color Logic node and equals mode
  • Fixed instance user attributes not being applied to the light instances
  • Fixed IPR Updates with animated groups containing cameras
  • Fixed Maya forcibly shutting down when scattering an object with applied Attribute Material ID
  • Fixed slow render start with specific USD stage
  • Fixed slowdown in Compiling geometry with specific scene
  • Fixed some random crashes with volumetrics
  • Results from UVW Randomizer's By Node Name won't change when deleting an object
  • Results from UVW Randomizer's By Node Name won't change when turning object into a VRayMeshLight
  • Added missing Extra attributes about raycast and primitive count stats from Raw images
  • Added V-Ray as a Renderer option for XGen Descriptions
  • Fixed some nodes not having an Extra attributes tab

USD

  • Fixed crash on Maya exit with USD scene
  • Fixed crash when material in USD stage is deleted while IPR is running
  • Fixed incorrect UV mapping when exporting materials to USD
  • Fixed Maya Direct Light rendering with no intensity
  • Fixed wrong render result from exported Camera FOV

Chaos Scatter

  • Fixed camera clipping not working when the camera is renamed
  • Fixed Maya crash when hiding the primary light during IPR with Chaos Scatter

Chaos Vantage

  • Fixed Live-Link Settings not persisting between Maya sessions

Installer

  • Removed unnecessary warning when using installer in debug mode

Material Importer

  • Fixed wrong import for materials coming from Houdini

MaterialX

  • Fixed incorrect ND_overlay implementation
  • Fixed Normal Map node scale not working with inputs
  • Fixed Triplanar texture bitmaps not being set
  • Fixed unexpected results when using "Mix" with a Standard Surface with Opacity less than 1.0


VRayMtl

  • Fixed incorrect metallic reflection contribution for secondary rays with VRayMtl
  • Fixed incorrect reflection highlight contribution for secondary rays with VRayMtl
  • Incorrect sheen contribution for secondary rays
  • Fixed light bump attenuation for the sheen/fuzz layers in VRayMtl
  • Confirm image quality and compression settings when saving images with “Always confirm image options when saving” toggled on
  • Fixed crash when pressing the Back mouse button during rendering with V-Ray Frame Buffer
  • Fixed crash when saving EXRs with dataWindow region and Filmic Tonemap correction
  • Fixed duplicated images in VFB history when specific vrscene is rendered
  • Fixed half pixel offset when enabling chromatic aberration
  • Fixed obstacle image not written into the logs
  • Fixed Raw vrimg image file not being correctly saved using soft-stop
  • Fixed vfbControl commands for follow mouse lock not working
  • Fixed Pick material and Select object in VFB not working with V-Ray GPU and RTX engine


VRayFur

  • Fixed crash when using static tessellation for XGen hair with motion blur
  • Fixed ripple artifact when rendering Yeti fur

VRayProxy

  • Fixed fatal error with proxy files in animation
  • Fixed VRayProxy not loading sub-frames of animated alembic caches

VRayVolumeGrid

  • Fixed IPR render crash in Maya with Volume Grid and vrscene when changing Smoke Opacity parameters

V-Ray GPU

  • Fixed "Use System Memory for Textures" option ignoring the ACEScg color management setup
  • Fixed incorrect result with Bump delta scale parameter
  • Fixed crash at Light cache building stage with DR
  • Fixed crash with Hypershade on shader update
  • Fixed crash with specific HDRI map in Dome light
  • Fixed Directional Light changing light direction
  • Fixed disabling Raytrace Properties not working
  •  Fixed GPU IPR not refreshing when lights and geometry are deleted
  • Fixed incorrect Raw RE with Camera exposure and Bucket sampler
  • Fixed incorrect RawSheenReflection with Bucket sampler
  • Fixed long light cache generation time in V-Ray GPU IPR with Light Cache subdivisions above 1500
  • Fixed Maya Directional Light always rendering with an intensity of 1
  • Fixed missing UDIM texture with GPU On-demand mipmapping and Yeti fur
  • Fixed the back side of VRayClipper plane being visible in already clipped zone
  • Fixed V-Ray GPU not loading some big textures in parallel
  • Fixed VRayBump ignoring simple values for Bump multiplier tex
  • Fixed wrong Multimatte render element with Camera Vignetting
  • Fixed wrong render after the second frame with VRayBitmap's Inverse gamma color space transfer function
  • Fixed wrong size when VRaySphere is scaled
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