Chaos V-Ray 6 for Maya update 2.2 Free Download

New Features

V-Ray

Maya 2025 support
Allow selection of USD provider in V-Ray standalone
Added support for 0.23.11 USD for V-Ray standalone

MaterialX

Support for MaterialX Stack
Added support for color space correction of image nodes
Added AdobeRGB and Display P3 color space support for image node

MaterialX, V-Ray GPU

Extended initial support for MaterialX nodes on GPU

Chaos Scatter

Added support for Altitude
Added support for Camera Clipping
Added support for Planar mapping

Chaos Vantage

Render Animation with Chaos Vantage
Added Vantage Live-Link Settings
Added Cancel Vantage Live-Link option

VRayEnvironmentFog

Add Phase Function to Environment Fog

USD

Added support for crease weights

Modified Features

MaterialX

Add support for procedural textures
Add support for colorcorrect and randomcolor nodes
Allow negative colors for all textures in MaterialX
Add closest filtertype support for image node
Add support for Pivot and Scale in place2d node
Add fileprefix attribute support

VRayLightMeter

Add MEL command for average Total value

Bug Fixes

V-Ray

Fixed low Dynamic memory limit in old scenes
Fixed IPR crash when adding lights to scenes with specific Cosmos assets and VRayLightMix

V-Ray GPU

Fixed matte properties not working on some V-Ray materials
Fixed one-sided geometry not rendering
Fixed disabling Visibility Options not working

Chaos Vantage

Fixed a freeze when Vantage Live Link cannot find a suitable GPU device

MaterialX

Fixed SSS scale
Use degrees instead of radians for the place2d rotation values
Fixed rendering of Academy software materials
Wrong gamma applied to MaterialX image node

USD

Retain material connection when duplicating geometry from USD stage to Maya Data

VRayHairNext

Fixed artefacts and slowdowns in some scenes with VRayHairNext

VRayScene

Fixed IPR crash with proxy inside a .vrscene loaded in Geometry mode in Maya

VRayTriplanar

Fixed Rotation Texture in VRayTriplanar not exporting connected nodes

V-Ray 6, update 2.1

Official release
Date – Mar 27, 2024
Build 6.20.01

New features

USD

Added support for VRaySubdivisions as geometry attributes;
Added support for custom camera plugin

Modified features

USD

Added support for MayaUSD 0.27.0 for Maya 2024
Reworked displacement and subdivision export to USD

MaterialX

Add support for textures with alpha

Bug fixes

USD

Fixed “Export Materials to USD” tool exporting empty shading groups
Fixed incorrect UV mapping when exporting materials to USD
Fixed Maya failing to render USD materials and proxy on macOS
Fixed default file asset resolution not working in certain cases
Fixed resolving asset tags in USD in Maya 2022 and Maya 2023
Fixed export of Subdivision and Displacement when “Merge Transform and Shape Nodes” is enabled
Fixed crash with USD Export All if VFB is not initialized
Fixed crash when material in USD stage is deleted while IPR is running
Fixed export of animation settings
Fixed export of initialShadingGroup when exporting animation
Fixed discrepancy between rendering V-Ray subdivisions in Standalone and in Maya

MaterialX

Fixed crash with MaterialX in Standalone on Linux

V-Ray

Fixed crash when connecting texture to non-texturable VRayColorCorrection attribute

Volume Grid, Environment Fog

Incorrect shading of backfacing geometry in scenes with Phoenix Simulator, V-Ray Volume Grid or Environment Fog

V-Ray 6, update 2

Official release

Date – Feb 15, 2024

Build 6.20.00

New features

MaterialX

Support for rendering MaterialX shaders in USD stages
New VRayMaterialX node for loading mtlx files
Tool for exporting VRayMaterials to MaterialX
Support for rendering V-Ray materials exported to mtlx

LookdevX

Initial support for LookdevX
Support for V-Ray materials and nodes in LookdevX
IPR support for edits in LookdevX

USD

New Hydra-compatible USD implementation
Initial IPR support for USD
USD support in Chaos Cloud
Support for USD in V-Ray Standalone

Chaos Scatter

Support for Areas Include and Exclude lists
Support for Edge Trimming
Support for scattering Lights
Support for instancing entire groups
Tool for converting Chaos Scatter instances to Maya geometry
Option for Axis for Transformation Step and Map

Shadow Selects

Add Direct Diffuse and Direct Specular shadow select render elements
Add a Matte objects only option for Direct diffuse shadows

VRayDecal

VRayDecal cylindrical projection with viewport representation

V-Ray

Introduce Adaptivity clamp to avoid high sampling in overexposed regions of the image

V-Ray GPU

Use System Memory mode for texture loading
Direct Diffuse and Direct Specular shadow select render elements support
Support for VRayEnmesh
Support for Image planes
Add support for Raw render elements in V-Ray GPU

Modified Features

USD

Export to USD has been updated to be Hydra-compatible
Exporting UV sets to USD will now preserve set names
Support for MayaUSD 0.26.0 for Maya 2024
Droped support for MayaUSD versions lower than 0.16
Optimise USD export file size when one texture node is mapped to multiple input slots
Improved geometry compilation for instanced USD

VRayProxy, Viewport 2.0

Improved memory consumption of a VRayProxy for preview

VRayProxy

Improved memory consumption for smooth normals calculation during alembic load
Ability to assign material directly to the proxy without changing all material overrides one by one

V-Ray

Added VRayNormalMap for more control over bump map parameters
Improved geometry compilation speed for subdivision surface objects on high core count machines
Rename “Hidden Lights” option to “Export hidden lights” in render settings
Rename VRayLightSelect render element Material label to “Emissive material”
Fixed cases of incorrect character encoding in installer console output;
Redesigned the V-Ray Textures, Volumetrics and Utility nodes icons
Remove the Prepass Samples attribute in render settings
Always export scene_name for cameras in vrscene
Objects with attached volumetrics are not rendered correctly when the camera is inside them
Improved bump sampling method that eliminates artifacts with procedural textures

Chaos Scatter

New viewport visualization enhancements
Viewport visualization of transform randomization maps
Viewport visualization of target density maps
Move the Instance Count Limit to System

VRayUVWRandomize

Added option to flip UVs for randomization

Material importer

Added native import for VRayCarPaint2

Path Guiding

Updated path guiding support
Progressive path guiding training during light cache build;
Added support for scanned materials

VFB

Added button to select the Denoiser render element in Outliner
Add a link in the VFB History panel for enabling it

V-Ray Standalone

Print error and exit when a non-existing camera name is passed

V-Ray GPU

Cache bitmaps between frames when rendering animation
Added support for rendering Particle colors based on input channels
Fixed slow aborting of rendering while uploading bitmaps
Updated the minimum driver version for CUDA 12 and added a warning print

VRaySun

Added Affect atmopherics and Atmopheric Contribution options

Light Select

Add support for LPE light labels

VRayRectLight

Add a directional strength parameter

VRayTriplanar

Added negative axis projection

VRayMtl

VRayMtl SSS is written in Refraction render element

Bug Fixes

USD

Export Dome lights textures with arbitrary node graphs
SettingsVFB not exported to USD
IPR support for animation

VRayVolumeGrid

Fixed aur caches simulated on Windows randomly not rendering correctly with Linux distributed rendering
Fixed random 1KB cache export on Linux

V-Ray

Certain channels should be always 32-bit
Specific frames rendering black in V-Ray Standalone
Fixed slow progress printing in some cases
BitmapBuffer reported black as invalid color
Maya 2024.2 crash with VRayGeoSun animated
Crash when changing Diffuse Color option in Hypershade during swatch update
Shadow Catcher is not affected by Camera’s Image Plane
VRay Bercon Noise value parameters cannot be animated
Flake scale in VRayStochasticFlakesMtl loses texture connections
Particle Shader does not get updated with V-Ray IPR GPU in Maya when changing the current timeline frame

Chaos Scatter, VRayProxy

Scatter not showing in the viewport when using alembic proxy

Material Importer

VRayDirt radius multiplier wrong import

VFB

Progress tasks don’t get cleared in the VFB progress bar after finishing

VRayMeshLight

Fixed “overbright or invalid color” warnings with light meshes

VRayMtl

Changing the Textured channel option causes a “qualityMenu not found” mel
Some connections to materials are not exported

V-Ray GPU

IPR is rendering slower than production rendering with the Progressive image sampler
“Abort rendering on missing assets” does not work correctly for UDIM on GPU
Crash when scenes containing Image sequences and V-Ray Sky are rendered with CUDA and then RTX engine
Select object and Pick object material functionality in VFB is broken with V-Ray GPU IPR
Environment Background multiplier does not affect the Sky Clouds
GPU rendering performance is slower when some of the VRam is occupied
Render freeze when rendering animated object with RTX, motion blur and V-Ray Denoiser
VRaySphere is not rendered with RTX
Rendering stucks when using the Bucket image sampler and Textured render mask
VRayProxy with assigned Multi/Sub-Object material in V-Ray GPU has incorrect shading with material override
rhel8: V-Ray denoiser OpenCL sporadic initialization failure
Parsing version 470.161.03 failed
VRayClipper does not have correct material IDs when rendering with V-Ray GPU
Bump mapping differs comparing small objects between V-Ray and V-Ray GPU
Bump mapping doesn’t work correctly on a plane
MultiMatteID is not propagated through nested materials

Viewport 2.0, VRayBlendMtl, VRayMtlWrapper, VRaySwitchMtl

The viewport color attribute does not work in Blend and Switch materials

VRayEnvironmentFog

Environment Fog is missing from Light Select AOV if the fog is textured

VRayProxy

Crash to desktop with specific alembic in V-Ray Proxy

VRayRectLight

VRayLightRect viewport preview is inverted when a texture is used

VRayProxy, Cryptomatte

Cryptomatte’s VRay user attribute ID type does not work with alembics in VRayProxy

VRaySphereFade

Wrong VRaySphereFade in IPR with Dome Spherical ON

Viewport 2.0

Unnecessary shader fragment debug info written to a file
Light-caused edge artefacts in the viewport preview of a spherical mesh with VRayMtl

Known Issues and Limitations

Difference between IPR and Production rendering with distance text/bercon noise in Chaos Scatter
Disclaimer: Differences in export and render to USD – the old behaviour can be temporarily re-enabled with VRAY_USD_HYDRA_TRANSLATOR=0 environment variable
IPR crash when switching between materials in VRayMaterialX

V-Ray 6, update 1.1

Official release

Date – Sep 28, 2023

Build 6.10.01

New features

Chaos Cosmos

“Check for missing Cosmos assets” tool to automatically download and resolve missing assets

Modified features

V-Ray

Updated tooltips in the GI tab of the render settings

Bug fixes

V-Ray

Fixed objects having wrong transformations at random
Fixed No lights in the scene warning appearing incorrectly
Fixed an issue where OCIO color spaces are not applied to textures

VFB

Fixed .cube LUT files not saved from the VFB

VRayAlSurface

Fixed incorrect LPE contribution for coat and sheen with AlSurface

VRayProxy

Fixed Debug shading – Isolate Selected not working with V-Ray Proxy
Fixed wrong bounding box for V-Ray Proxy in Preview mode
Fixed missing velocity from V-Ray Proxy with V-Ray subdivision

Chaos Cloud

Fixed failing Chaos Cloud submit when the option to export vrscene to separate files is enabled

Chaos Cosmos

Fixed wrong material assignment when drag-and-dropping V-Ray Decal assets from Chaos Cosmos
Fixed an issue with previewing textures for Chaos Cosmos assets in Maya 2024

Chaos Scatter

Fixed a crash with Chaos Scatter when density is mapped with VRayDirt
Fixed a crash with Chaos Scatter in V-Ray Standalone on Linux CentOS 7
Fixed an issue that prevented Chaos Scatter from sometimes loading on Linux

USD

Fixed a crash when a user attribute with no value is exported to USD

V-Ray 6, update 1

Official release

Date – May 18, 2023

Build 6.10.00

New Features

V-Ray

Added support for Chaos Scatter
Added support for Maya 2024
Added support for Maya 2024 macOS universal builds for Apple Silicon and x86
Implemented a Bump To Glossiness model
Added light attenuation controls for custom decay
Added support for emissive materials in VRayLightSelect and VRayLightMix
Implemented Intel Open Path Guiding rendering with Light Cache (experimental)

Profiler

Added system profiler mode for tracking scene export, geometry compilation, bitmap loading and other render and pre-render events

V-Ray GPU

Implemented Compressed Textures
Added support for Clipper mesh mode
Initial support for RAW render elements in V-Ray GPU

USD

Added support for MayaUSD 0.22 and 0.23
Added support for render settings in USD
Added support for VRayProxy in USD
Added support for ExtraTex render element in USD
Added support for V-Ray Object Properties in USD
Added support for Dome Camera in USD

VFB

Added masking support for the Lens Effects, Denoiser and Sharpen/Blur layers in the VFB
Light Mix render element can be added directly from the VFB layers tab
Denoiser render element can be added directly from the VFB layers tab

Chaos Cosmos

Added support for VRayEnmesh assets from Chaos Cosmos
Added support for VRayDecal assets from Chaos Cosmos

Denoiser

Added NVIDIA AI upscaling denoiser

Modified Features

V-Ray

Faster rendering and geometry compilation of hair
Faster mesh geometry compilation
Improved progressive caustics convergence
Added support for multiple VRayEnvironmentFog nodes as Environment Volumes
Аdded Affect Alpha option for VRayAerialPerspective and VRayEnvironmentFog
Added an option to delete the resumable file when resumed rendering completes successfully
Scripts for starting vrayserver from portable installation now auto-discover paths
Dropped support for Maya 2019

VRayDecal

Added surface bump blend options

VRayMtl

Animatable thickness parameters for thin film in VRayMtl
Gray out IOR control in the UI when Metalness is 1.0

V-Ray GPU, VRayMtl

Added support for the Uniform Illumination mode of VRayMtl translucency

VRaySun

Added new sky cloud options for clouds density, seed and contrails
Changed sky model default to “PRG Clear Sky” for new scenes

VRayProxy

Faster loading time with Alembic
Ability to load a separate viewport preview file for the new V-Ray Proxy node

Profiler

Generate Profiler reports as browser-agnostic HTML
Added an option to control the trace depth when profiling shading
Profiler now writes a fixed number of files and overwrites the oldest ones for easier file management
Added a button for showing the last profile

LightMix

LightMix now works immediately in IPR even during Light Cache build and progressive undersampling

VRayLightDome

Textured Finite Dome viewport preview
Added soft min and max limits to Dome Tex A

Installer

Installer no longer modifies Maya MEL scripts

Bug Fixes

V-Ray

Execute Pre and Post Render MEL scripts in Viewport IPR. This allows rendering 3rd party plugins like Yeti in Viewport IPR.
Fixed artifacts with Adaptive Lights on Linux
Fixed EXR with just a red channel not rendering correctly
Fixed error “Extra attributes file not found”
Fixed renderable curves not working with Render Layers
Fixed a crash with VRayBerconNoise driving density of volume and displacement with UVW Explicit 2D
Fixed region render in IPR restarts the sampling
Fixed wrong Material Viewer render with ACEScg
Fixed Light Cache not working correctly with render regions in IPR
Fixed wrong source visibility when creating VRayEnmesh while IPR running
Fixed Enmesh Force Invisible Source not working in IPR with a moving source
Fixed animated V-Ray Perfect Sphere not animated in the viewport

Chaos Cosmos

Fixed a crash on Linux and macOS when importing materials
Fixed certain assets with multiple materials not importing correctly

V-Ray GPU

Fixed crash when changing the renderer to V-Ray GPU in the Hypershade Material Viewer
Fixed memory leak with textures when rendering animation
Fixed include option in exclude/include lists for V-Ray Clipper in mesh mode not working
Fixed incorrect render with mapped VRayCarpaintMtl with zero Flake density and Compressed textures
Fixed stuck render when specific nodes are used for 2D displacement
Fixed Cryptomatte render element not working for objects behind glass
Fixed “CUDA error 700” when toggling the Volumetric Environment in GPU IPR
Fixed crash with some VRayScannedMtl materials
Fixed a crash and artifacts with NVlink when a V-Ray light is at 90 degrees to a matte surface
Fixed wrong render of dynamic geometry with VRayMultiSubTex in Random By Poly Shell mode
Fixed incorrect clipping of V-Ray lights with OOC when VRayClipper is set to Use Object Material
Fixed a freeze with GPU Light Cache when scrubbing the timeline in IPR with a specific scene
Fixed Reflect/Refract Affect All Channels not working with VRayBackground RE
Fixed a crash in IPR with Brute Force GI and refractive glossy VRayMtl when changing translucency modes
Fixed render difference with VRayMultiSubTex Random By Poly Shell and non-default motion blur geometry samples
Fixed missing UVs with motion blur and viewport subdivision
Fixed a crash when GPU rendering is aborted early
Fixed deforming dynamic geometry not updared in IPR
Fixed broken Cryptomatte masks for lights in V-Ray GPU

USD

Fixed missing VRayPhysical camera extra attributes for invisible cameras

VRayLightDome

Fixed viewport preview for textures going through VRayColorCorrection

VRayDecal

Fixed VRayDecal missing in reflections and refractions

VRayDecal, VRayScene

Fixed missing VRayDecal viewport gizmo when loaded from VRayScene nodes

VRayScene

Fixed VRayScene objects with frozen transformations are rendered as bounding boxes

VRayClipper

Fixed missing viewport preview of VRayClipper when loaded from VRayScene nodes

VRayDirt

Fixed VRayDirt “Ignore Self Occlusion” not working

VRayProxy

Fixed wrong viewport visibility when proxies are part of render setup collections in Maya 2023.2

VRayStochasticFlakesMtl

Fixes wrong render when the reflection glossiness is 1

VRayVolumeGrid

Fixed node name not incremented for duplicated VRayVolumeGrid nodes

XGen

Fixed excessive memory used for exporting XGen groomable splines
Fixed temporal instability with VRayHairNextMtl Glint and XGen hair

LPE

Fixed the Light Path Expressions presets for reflection, refraction and SSS

Installer

Fixed installer not uninstalling environment variables on macOS
Stopped creating Maya.env files on macOS which duplicates envrionment variable storage

V-Ray 6, hotfix 1

Official release

Date – Dec 07, 2022

Build 6.00.03

New features

Profiler

Added support for profiler full mode for full ray path profiling;

Material importer

Added VRayMultiSubTex support in importer;

USD

Added support for MayaUSD 0.20;
Added support for V-Ray user attributes in USD;

Modified features

V-Ray

CPU IPR should read the mtl_maxdepth settings;
Profiler performance improvements;
Added new version notification in VFB;

Viewport 2.0

Higher viewport resolution of VRayDomeLight when texture goes through intermediate nodes;
VRayDomeLight viewport resolution will be affected by viewport quality presets in the V-Ray settings;

V-Ray GPU

GPU support for Affect All Channels;

VRayProxy

Improved Alembic render times;

Bug fixes

USD

Fixed crash when rendering Coat Render Elements in USD scene;
Fixed crash when rendering USD files with missing varname input;

V-Ray GPU

Fixed slowdown in specific scene from V-Ray Next;
Mask render elements do not appear through refraction even when the refract_affect_alpha = 2 for the material;
Sun disk from VRaySky environment map is rotated with VRayLight dome’s texture;
Incorrect Diffuse filter render element when All channels option is selected under Affect Channels.;

V-Ray

Fixed low CPU utilization with Intel Alder Lake CPUs on Windows 11;
Fixed crash when changing Engine on denoiser;
Decreasing the Start Width for renderable curves is not detected in IPR;
Missing Maya native 3d procedural textures when selecting a texture for the ExtraTex RE;
Changing Input texture correction does not grey out the Texture input gamma for Linear or RGB;
Inconsistent behavior of Texture input gamma option with applied texture;

Installer

Fixed module file for MacOS -unpackInstall installation;
Wrong installation layout after unpacking for portable install on macOS;
Fixed VRAY_OSL_PATH not being set by installer;

USD

USD Camera read with incorrect transform;
Stray UsdUVTexture when exporting materials to USD;
Wrong value of Angle of View for Physical camera in USD scenes;
Invalid handling of instanced non geometry primitives;

VRayProxy

Fixed crash with alembic when hair width multiplier is not 1;
Crash when importing proxy with full geometry mode;
Fixed slow geometry compilation with hundreds of proxy files referencing the same vrmesh file;

VFB

Fixed light mix light selection not working in IPR;
Show “Save RGB primaries conversion to image” only for sRGB Display Correction;
VFB color corrections in unsaved scene not baked in batch rendering output;

V-Ray IPR

IPR doesn’t detect changes to texture extra attributes;

V-Ray, USD, VRayScene

Disable render elements from mayaUsdProxyShape;

V-Ray GPU/VRayFur

V-Ray GPU not finding the correct UV channel;

VRayMeshLight

VRayDecal shouldn’t project on objects with vrayLightMeshProperties or VRayLightMtl;

VRayProxy/Viewport 2.0

Fixed high VRAM usage in the viewport with textured view disabled;

VRayScene

V-Ray Decal Inconsistent Behavior when imported as a vrscene;

VRayToon

Artifacts with Toon and ToonMtl;

VRayToonMtl

Incorrect VRayToonMtl shadow blend;
VRayMtl2Sided’s Translucency does not work with VRayToonMtls;

USD/VRayTriplanar

Wrong render of USD file with triplanar texture;

V-Ray 6

Official Release

Date – Aug 31, 2022

Build 6.00.02

New features

V-Ray

Added VRayEnmesh for efficient procedural geometry tiling
Added NoiseLevel render element
Added RenderTime render element
Add Metalness render element
Implement optimized auto-bump mode for displaced meshes

V-Ray Sun

Clouds for the V-Ray sky

V-Ray Profiler

Added V-Ray Profiler v1 for profiling materials, layered materials and heavy textures
Added -profilerMode option to profile scenes with V-Ray standalone

VRayLightDome

Finite radius for the dome light with option for ground projection

VRayMtl

New SSS translucency illumination mode in VRayMtl
Added a Thin Film layer in VRayMtl with easy thickness controls
Energy compensation option for the GTR BRDF

VRayDecal

VRayDecal displacement support

VFB

Added the Chaos Cloud Collaboration service

V-Ray, V-Ray GPU

Added V-Ray Perfect Sphere

VRayMultiSubTex

Ability to combine randomization options in VRayMultiSubTex
Added “by user ID” random option in VRayMultiSubTex

V-Ray IPR

Light cache support option for IPR

V-Ray GPU

New GPU device selection tool

USD

Support for VDB shaders in USD
Add support for MayaUSD versions up to 0.19

Chaos Cloud

Non-blocking Cloud export in the background (Windows only)

VRayEnvironmentFog

Faster light shading in fog
Faster textured fog with probabilistic shading option

VRayVolumeGrid

Added support for light depth sampling in the volume grid

Phase Function control in Ray-Traced Scattering mode for the Smoke Color allowing to render realistic clouds with V-Ray CPU

Velocity and Normals render elements in Volumetric mode with V-Ray 6 CPU

Cryptomatte and Multimatte render elements in Volumetric mode with V-Ray 6 CPU

 New "Volume Motion Blur" option allowing to choose between Ray-traced and Grid-based methods - the Grid-based method creates more visible streaks for fast moving fluids

Modified Features

Installer

-unpackInstall option to produce portable installation instead of separate zipped install
Added all V-Ray for Maya environment variables to the module file for easier portable install deployment
Changed default installation paths to be outside the Maya folder, matching portable install folder structure
Use online changelog
Embeded the Chaos Unified Login
Stop downloading the material library from the installation

Use dedicated icon for VRayProxy in the Outliner

Chaos Cosmos

Added support for Cosmos procedural materials and Cosmos-based material library

VRayMtl, Viewport 2.0

Viewport quality presets for VRayMtl
Add support for the V-Ray 6 VRayMtl features in the Viewport 2.0 shader
Support for Normal and bump maps with V-Ray materials in Viewport 2.0

V-Ray GPU

Added a new Samples Limit quality control that replaces the min and max subdivs for GPU
Auto-upgrade old scenes to the new Samples Limit control
Synchronize CPU bucket settings with the new samples limit GPU settings
New Device Selection options
Moved the RTX engine selection to the new Device Selection options
Add denoising options and per-device low thread priority in the GPU device select
Exposed the Global Material Overrides for V-Ray GPU
Improved the Trace Depth workflow
Support for “Affected by” in VRayDirt
Implement auto bump mapping for smoothed and displaced meshes
Autovoxelize dynamic geometry in V-Ray GPU

V-Ray

Optimize memory consumption by not subdividing objects that are far away from the camera
Redesigned the V-Ray Shelf and Material icons
Added a Shadow Catcher functionality to the V-Ray shelf
Added a search filter in the list of available render elements
Added an option to always write the frame number to the output file even for still images
Allow vfbControl MEL command in batch mode
Ability to prevent proxy import when drag-and-dropping in Maya through VRAY_DISABLE_DRAG_DROP_FILEEXT envvar
Use float controls for the explicit displacement bounds values
Added a C++ API for exporting simple parameters for third party translators
The VRAY_FOR_MAYA_SHADERS environment variable can now be used by third-party devs to point to additional extra attribute txt files
Add fit aspect ratio to material/bitmap functionality for VRayDecal

USD

Added support for dynamic USD plugins
Improved USD material importer UI
Export VRayMtl as V-Ray material and USD Preview Surface
Improve error handling and add help to the vrayExportUsdMaterials command
Assume -chaser “vray” flag when using mayaUSDImport command

VRayMtl

Added a Soap Bubble material preset
Hide the double-sided option in VRayMtl

Material Importer

Add VRayMultiSubTex support in importer
Add native support for MtlGLSL in importer

VFB

Added a “Show in folder” option to the VFB History context menu
Added functionality to select lights in LightMix
Better visibility of the A|B line in the VFB
Add menu items for enabling/disabling history and layers
Mark the scene dirty when making changes to layer compositing in VFB2

LightMix

Added options to include the Rest channel when saving to file and to Denoise the Light Mix

Denoiser

Expose temporal mode option for NVIDIA denoiser

V-Ray ExtraTex

Added a custom background color option in VRayExtraTex render element

V-Ray IPR

IPR should stop sampling after reaching the noise threshold

VRayEnvironmentFog

Аdded an Affect Alpha option for VRayEnvironmentFog

VRayMtl, VRayBumpMtl

Hide Local space bump map mode for BRDFBump and BRDFVRayMtl

VRayLightDome

Restored the Ray Distance options for the Dome light

VRayTriplanar

Added VRayTriplanar option to use displaced surfaces

VRayOSL

Support OSL camera shaders

ChaosCloud

Allow direct cloud submit with no project selected

VRayDecal

Animatable VRayDecal parameters

VRayProxy

Correctly apply proxy material overrides in the viewport
Limit number of faces per voxel to a sensible number

XGen

Enable parallel XGen export

Viewport IPR

Rename Viewport HUD label from VRayRT to VRay IPR

VRayVolumeGrid

Sped up rendering of grid volumes with up to 25% when Fully Visible Fire or Volume Light Cache is used
VRayVolumeGrid: Sped up rendering of grid volumes with up to 10% when the RGB channel was used

Bug Fixes

V-Ray

Fixed a crash on macOS Monterey caused by exceeding the OS max file handle limit
Fixed old scenes randomly using OCIO Display correction when rendered in batch
Wrong viewport preview for TX textures from Cosmos on macOS
Fixed memory tracking results discrepancy for “Texman” and “Tiled bitmap”
Wrong font on installer on MacOS
VRayTexOCIO Maya node crashes when used with Maya software renderer
VFB2 OCIO display corrections not synced with Maya in batch
Reflections computed in fully diffuse VRayMtl materials
Time reported by the progress for “Compiling geometry” is incorrect in Standalone
Memory leak in TexLut
Memory leak when saving multichannel/multipart OpenEXR files
TexLut fails to read file on Linux when the path is specified with backslashes
BitmapBuffer: <frame0*> tag support
VFB2 OCIO display correction not found with Maya batch on Linux
Wrong vrscene lights export when combined with “Separate files” option
Print a message for unsupported Chaos Cosmos Browser for Maya 2019 on both Linux and macOS
Ray derivatives are not computed for perfect refractions
Incorrect reflection on objects with motion blur and vray subdivisions
Recalculating bloom/glare lens effects produces artefacts on Linux
Error when selecting “Lens File” Distortion type of V-Ray Physical camera in IPR
Standalone installation cropped UI on HighDPI MacOS
Standalone installation cannot start a distributed rendering server on macOS
Log typo in Estimated time remaining line

USD

Fixed endless warnings for USD export material with UV linking
Importing V-Ray materials via mayaUSDImport does not work with MayaUSD 0.16
Invalid handling of instanced non geometry primitives
Show the warning for unsupported USD versions during render
Physical camera from USD scenes are imported with Depth of Field enabled
Mismatch with displacement in Houdini
Correctly export VRayMtl bump type as integer USD attribute
Importing USD scenes with usdPreviewSurface material is rendering wrong
Crash when rendering VRayMtlGLSL in USD scene with GPU
USD scenes with textures are imported black in Viewport
Crash when importing USD scenes with the -shadingMode flag and USD 0.15
USD scenes with particles are imported wrong in Maya Viewport
Locked camera parameters when imported from USD
Crash when importing specific USD scene with bitmap
Crash when importing USD scene with VRayPhysicalCamera through MEL command
Transform mismatch with Skel USD file
Unsupported shader parameters in USD
Fixed USD with VDB in IPR crashing on transform

V-Ray, VRayTriplanar

Wrong Normals when object has Triplanar mapped displacement and is a Texture Reference Object

V-Ray GPU

Clipped light geometry when ‘Clip lights geometry’ option is disabled and non-light geometry is in front of lights
Wrong VRayClipper material on clipped VRayLight objects when set to Use object material
VRayPhysicalCamera: Rendering on GPU with Depth of Field prints errors in the Log Window

XGen

Fixed XGen button label on high-DPI displays

Material Importer

Nodes connected to Thin Film attributes don’t get imported in Maya

USD, Material Importer

Specific Skel USD scene is not rendered

VFB

The persistent VFB setting to resize on resolution change does not persist
The VFB2 test resolution button isn’t reflecting the current resolution if it’s enabled when re-opening a scene
The VFB history option to copy the scene path also copies the project path

V-Ray GPU

Fixed excessive memory usage and low performance with GPU Light Cache
Crash with Physical camera’s position constraint
Crash when rendering specific alembic particles file
Some threads never finish with low_gpu_thread_priority=1
VRayMtl with translucency is not rendered properly after resuming a render using RTX mode of V-Ray GPU and Light cache
Projections using Spherical camera are not rendered correctly with V-Ray GPU
Instanced textured VRayLights don’t share loaded textures
Difference in HairNextMtl on surface geometry between V-Ray and V-Ray GPU
Crash with GPU Light cache subdivisions set to 2000 and sample size >0.1
Scene with Light Cache crashes if run in parallel on Linux
Render time difference between V-Ray versions
Wrong render of VRayMultiSubTex on geometry with motion blur
Incorrect render with VRayEdgesTex on subdivided geometry
Out of core related crashes in V-Ray GPU
Crash with texture baking and geometry with displacement
Wrong fog color alpha results when refraction set to affect all channels
The alpha of a transparent VRayMaterial is not working correctly
Different alpha compared to the CPU and older V-Ray GPU versions
VrayLayeredTex not working with more than 6 inputs on GPU;