V-Ray 7

Official release

Date - Jan 28, 2025

Build 7.00.02

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