V-Ray 5

V-Ray 5, update 2.2

Official release

Date - Apr 20, 2022

Build 5.20.02

New features

V-Ray

Adaptive bucket splitting;
Maya 2023 support;
Added a transparency_level output to Sampler Info node and TexSampler plug-in;

V-Ray GPU

Objects Receive Shadows attribute support;

Bifrost/USD

Support for rendering Bifrost USD graphs;

USD

Support for importing V-Ray materials from USD to Maya nodes;
Support for importing cameras from USD to Maya nodes;
UI for exporting V-Ray materials to USD in the V-Ray>Tools menu;
vrayExportUsdMaterials command for exporting V-Ray materials & displacement directly to USD;
Support for in-memory only USD stages coming from plug-ins;
Support for VRayLightMesh;
Support for UsdGeomPoints particles;
Support for USD BasisCurves hair;
Support for USD Skel;
Support for VDBs in USD;
Initial support for rendering USDPreviewSurface node in Maya;
MayaUSD 0.15 and 0.16 support;

USD/VRayPhysicalCamera

Support for V-Ray physical cameras from Maya to USD;

Ornatrix

Support for "user color attributes" from Ornatrix;

Denoiser

Added an option to not denoise alpha;

Chaos Vantage

Vantage Live-Link;

Modified features

VFB

Made ON/OFF state in buttons in VFB2 visible;

USD

Fixed certain lights in USD not rendering correctly;

V-Ray

Automatically add Render Setup layer override for the enabled attribute of toggled Render Elements;
More robust IPR change detection while mouse dragging;

Bug fixes

V-Ray

Fixed crash with reflection exclude list in VRayObjectProperties;
Fixed textures not updating in IPR when changing file path;
Fixed loading a .tx textures with UDIM crashing Maya;
Fixed illegible symbols in memory tracking log on Linux;
Fixed a server-side distributed rendering crash involving Light Mix;
Fixed an issue with standalone installation preventing starting a distributed rendering server on MacOS;
Fixed a rare crash when using Alembic proxies in IPR;

USD

Fixed memory leak when rendering USD
Fixed error with MDL material;
Fixed crash with instanced transforms in USD;
Fixed wrong import of USDPreviewSurface;

VRayTriplanar/VRayProxy

Fixed wrong local object projection on instanced proxies;

VRayToonMtl

Fixed difference between IPR and Production rendering;

Cosmos

Fixed drag & drop asset position on MacOS HiDPI displays;

Installer

Fixed standalone installation incorrectly proceeding while Maya is running;

Texture Baking

Fixed baking of more than one object through the V-Ray Baking Options;

VRayScene

Fixed unnecessary "Preview for Node" error messages;

VFB

Fixed an issue with lens effects sometimes being computed wrong;

V-Ray 5, update 2.1

Official release

Date - Dec 21, 2021

Build 5.20.01

New features

V-Ray GPU

Support for the texture mode of the lens distortion option in Physical Camera;

VRayDecal

Added an option for back side projection in VRayDecal;

Modified features

Cryptomatte

New more robust Cryptomatte implementation;

Material importer

Added support for real world scaling when importing Cosmos materials;

Chaos Cloud

Changed defaults for cloud submit window to be single camera and single layer;

V-Ray GPU

TotalLight Render Element now available with V-Ray GPU;
Reduced kernel compilation times by up to 60%;

V-Ray

Changed the default Compensate Energy in VRayHairNextMtl to OFF;

USD

Improved the V-Ray chaser UI;
Support for exporting VRayDisplacement via chaser now available in the UI;
Support for exporting light texture files to USD;

VRayLightDome, VrayLightIES, VRayMeshLight

Show Atmospheric contribution controls in GPU UI for V-Ray lights;

Viewport 2.0

Updated the local anisotropy axis for VRayMtl in Viewport 2.0;

Chaos Cosmos

Proxies from assets are now with a nicer name;

Bug fixes

V-Ray

Fixed V-Ray not utilizing more than 64 threads in some cases on Windows 11;
Fixed reversed bump in reflections;
Support UDIM textures with more than 99 tiles in one dimension;
Fixed unnecessary prompt for EULA in Maya 2018;

VRayScene

Fixed Preview for Node not supported error when loading vrscene;

Installer

Fix font style in the installer on MacOS;

VFB

Fixed crash with VFB Clear log when a search is open;
Fixed crash with IPR rendering and VFB Log set to All when using High DPI scaling;
Fixed VFB2 log verbosity level resetting to 0 after crash;

Chaos Cosmos

Fixed assets imported with wrong offset and translate frame placement attributes;
Fixed materials category in Cosmos disappearing when multiple Maya sessions are open;
Fixed button for minimizing of the Cosmos Browser disabled on Linux and macOS;
Fixed Drag and Drop of Cosmos assets to the Maya Viewport on Linux and MacOS;

USD

Fixed rendering an anonymous USD layer;
Fixed error when rendering empty USD layer;
Fixed crash when rendering different USD files with VRayScene and mayaUsdProxy in the same scene on Linux/MacOS (regression);

V-Ray GPU

Fixed black Light Cache prepass on high resolution renders;
Fixed standalone from Maya installation failing to render with GPU;
Fixed crash with multiple instances of VRayDecal;
Fixed crash in V-Ray GPU IPR when moving camera;
Fixed memory leak with Light Cache Subdivs;
Textured VRayDecal does not work with on-demand-mip-mapped mode;
The Light Mix render element does not work correctly on GPU when Auto Exposure is enabled;

V-Ray GPU/LPE

Fixed LPE not capturing scattered self illumination of EnvironmentFog or VolumeGrid;

V-Ray GPU, VRayDirt

Fixed VRayDirt objects casting shadows even with shadows disabled;

VRayHairNextMtl, V-Ray GPU

Fixed different GI results with enabled/disabled render elements and HairNextMtl;

V-Ray 5, update 2

Official release

Date - Nov 11, 2021

Build 5.20.00

New Features

Cosmos

Added Cosmos asset browser
Cosmos Materials support

VRayDecal

An easy way of projecting one material on top of another

Chaos Cloud

Option to submit all render layers and cameras to Chaos Cloud

USD

Support for exporting V-Ray lights to USD
Support for V-Ray lights in USD
Support for exporting V-Ray Displacement to USD via the MayaUSD chaser API
Added support for MayaUSD 0.13

VRayScene/USD

Viewport preview for USD files in a VRayScene node

VRayMtl

Physically correct GGX/GTR anisotropy
VRayMtl thin-walled mode

VFB

Added a Sharpen/Blur post effect layer
Integrated rendering log in VFB2
Option to create an "effectsResult" channel when only Lens Effects layer is enabled (no Denoiser)
Batch image processing in VFB2 for vrimg files
Ability to add color corrections to the VFB Background layer
Added a functionality for adding VFB color corrections to all render channels

VRayHairNextMtl

Added a Compensate Energy option for faster and more realistic rendering of white or bright hair and fur

V-Ray, Material importer

Add support for real world scaling when importing Cosmos materials

VRayLightDome, VrayLightIES, VRayMeshLight, VRayRectLight, VRayLightSphere

Atmospherics contribution option for lights

VRayLayeredTex

Ability to rename the layers in VRayLayeredTex

VRayDirt

Added Streaks blur option to VRayDirt
Added Streaks density to VRayDirt
Added Ignore bump option to VRayDirt
Added Thin mesh mode to VRayDirt

VRayMtl/V-Ray GPU

Implemented the thin-walled mode of the VRayMtl on the GPU
Implemented the new volumetric translucency modes of the VRayMtl on the GPU

Modified Features

V-Ray

Notarized installation on MacOS
Discontinued zip builds on MacOS
Anima AXYZ animated textures are now working
Added an option to force infinity color to black for ZDepth
Updated Embree to 3.13.0
Removed the GPU Light Cache option, it will now be always ON
Made the proxy filter update on keystroke
A prompt for EULA for interactive rendering after a zip or automated install
Removed the Clamp Output option
Removed the Sinc AA filter
Removed the World Scale option for Light Cache
Help link for Post Translate Python Script available in toolclip on hover
Automatically add extension when adding tokens for Light Cache to match saved files
Report time spent tracing photons during rendering with progressive caustics

Chaos Cloud

Added support for VFB2 OCIO color corrections when exporting to Chaos Cloud
Calling Cloud and Archive Scene windows when already open now brings them on top

VRayCurvature

Curvature texture support for isolating Convex or Concave values
Ignore bump options

VFB

Apply color corrections to the RGB channel when saving
Extended vfbControl with commands for V-Ray VFB2 layers
Better control when deleting layer groups

V-Ray GPU

Use small buckets when rendering with CUDA CPU Only
Calculate LC only on the GPU when V-Ray GPU is used
Added support for tiled textures with large amount of tiles on V-Ray GPU

VRaySun

Renamed the Improved Sky model to PRG Clear Sky

LPE, VRayScannedMtl

Support for the coat layer in VRayScanned materials

V-Ray, Chaos Cloud

Ability to export multiple renderable cameras to vrscene

VRayBlendMtl, VRayLayeredTex

Removed map button for non-texturable opacities in VRayLayeredTex and VRayBlendMtl

VRayDirt

Hid the Invert normal parameter for VRayDirt

VRayProxy

Added number of voxels to VRayProxy info tab
Fixed wrong viewport preview with alembic instancing
Visibility rules working in preview mode

VRayScene

Set the flip axis option to Auto for VRayScene nodes

USD

Fixed lights from USD are all positioned at (0, 0, 0) in some USD files

VRayToonMtl

Fixed animated Toon Edge Priority not working

Bug Fixes

V-Ray GPU

V-Ray GPU fails to load and render tiles texture with Mudbox filename format with lowercase $u and $v

Material importer

Material importer crash with specific VRayBlendMtl

V-Ray

Maya remap nodes not correctly encoded in USD
Film gate not respected in Viewport IPR with VRay Physical camera
"matrixAttributeWidget" error when selecting the uvwgen node
Limit the warning for connected VRayNormalMap to only when bump type is non-default
Duplicated textures exported multiple plugins in the vrscene
Enabling Diffuse render element causes VRayScannedMtl's LPE label to be ignored
Render layer manager node in scene causes Render Settings Common tab to shrink
Progressive caustics use the world units radius instead of the pixels one
Incorrect progressive caustics contribution when using region render
Crease edges with dynamic subdivision can't be closed when displacement is used
There is no way to ignore installation errors if the material library download fails
SSS from VRayMtl cannot be filtered with LPE
Light cache contribution not always written in LPE light selects
Progressive caustics fallback to photon map
Clearing global light manager error when progressive caustics, resumable rendering and don't save image are enabled
Maya hangs when using DR on a scene with caustics in progressive mode
Wrong render result with caustics lighting on objects with bump map
Compositing Light select elements with glossy and refraction introduces noise
Maya fluids rendered wrong in IPR

USD

Rendering VRayMultiSubTex in USD file, always renders the first applied texture
UDIM texture paths from USD are not resolved correctly
USD ALab scene does not render correctly

VRayProxy

Importing proxy with the same node name messes up the object hierarchy
Material overrides don't work correctly for instanced objects in the viewport
Proxy overrides remain the same for the root when loading different files
Visibility Overrides don't work when proxy is opened again in new scene
Importing alembic instanced geometry not loading all Shader sets

VRayEnvironmentFog

Incorrect fog contribution behind rect lights
Incorrect fog contribution in light selects
Missing caustics with textured envfog

VRayUVWRandomizer

Wrong normal map when using VRayUVWRandomizer's Stochastic tiling

VFB

Changing the VFB display correction disables A/B compare
The VFB2 test resolution button isn't reflecting the current resolution if its enabled when re-opening a scene
VFB2 color picker is hard to open on Linux

VRayToon

Fixed Regression in toon with glossy refractions
Toon Edges Override not working on NURBS surfaces

VRayMtl

Coat bump without a texture atttached cannot be locked to base bump

VRayMeshLight

VRay Mesh Lights included in a fog set (light mode as override shape lights) forces fog to affect all lights

VRayScannedMtl

Reflection values missing when denoising the reflection render element

VRayTriplanar

Normal flipped with triplanar on some faces

LPE, V-Ray GPU

Some materials don't respect their LPE labels
Differences in the coat layer between V-Ray GPU and V-Ray CPU
Wrong results with mcoat in inverted expression (GPU)
Coat missing in coat REs for car paint material 1

VRayMeshLight, VRayRectLight

Incorrect volume contribution from mesh lights when using volume sampling MIS

VRaySoftbox

Fatal error when rendering a USD file with VRaySoftbox texture

VRaySun

Sun photon emission radius preview not updating in Maya viewport

Viewport IPR

V-Ray Sun renders wrong with Viewport IPR

V-Ray 5, update 1.2

Official Release

Date - Sep, 2021

Build 5.10.22

New features

USD

Support for MayaUSD 0.10.0, MayaUSD 0.11.0 and MayaUSD 0.12.0

Modified features

V-Ray SDK

Fixed faulty compilation of C++ third-party plug-ins ins since 5.10.20 causing random crashes;

Bug fixes

V-Ray

Fixed export and import of render elements from the V-Ray settings;
Fixed runtime error with Python 3 when creating absolute override for visible layer;

VRayMtl

Fixed wrong result with Refraction Affect shadows when Refraction is textured;

VRayToon

Fixed toon outlines disappearing when zooming in with orthographic camera;

OpenSubdiv/VRayDisplacement

Fixed wrong results and random crashes when combining OpenSubdiv and VRayDisplacement;

V-Ray GPU

Fixed V-Ray GPU IPR not rendering default orthographic views properly;

VFB

Fixed a crash when reading VFB2 JSON property;

VRayMeshLight

Fixed VRayLightMesh not respecting Legacy Render Layer Overrides in batch;
Fixed Crashes with Mesh Lights and Legacy Render Layer Overrides in batch mode;

LPE

Fixed wrong render elements output when LPEs are used;

Viewport 2.0

Fixed wrong viewport preview with VRayLayeredTex used for Reflection Glossiness;

VRayScannedMtl

Fixed undeterministic result with triplanar and scanned material in Maya 2020;

VRayLayeredTex

Fixed wrong render with mayapy;

V-Ray 5, update 1.1

Official Release

Date - July 19, 2021

Build 5.10.21

New feature

V-Ray

Maya 2022 Python 2 support in the stable nightlies;

Modified features

V-Ray Material Library

Downloader tool support for Linux and MacOS as well;
Support for drag'n'dropping library materials in the Hypershade and anywhere in the viewport;
Adding the same material twice is now possible through "Add to scene";
Applying the same material to another object is now possible through "Apply to selected object(s)";

Bug fixes

VFB

Fixed a freeze when loading a background image after rendering;
Fixed single-channel EXRs not saving corrections;
Fixed errors with test resolution when no VFB is used;
Fixed "Clear Frame Buffers" option not working;
Fixed purple banding with OCIO;

VRay2sidedMtl

Fixed crash with black translucency in specific scenes;

V-Ray

Fixed some V-Ray metadata not written to EXR with batch rendering;
Fixed regression with non-ASCII characters in vrscene path with standalone;
Fixed Image format options UI opens on fullscreen in Maya 2022;
Improved rendering speed for Alembic files on many-core CPUs;

VRayBerconNoise

Fixed world texture mapping floating when camera is animated;

VRayBlendMtl

Fixed default viewport preview color for non-textured mode;

V-Ray/USD

Fixed instanced USD files not rendering properly;

VrayToon

Fixed incorrect inner edges with opacity;

V-Ray GPU

Fixed GPU light cache error when aborting render;
Fixed crash with ExtraTex and GPU light cache;
Fixed fireflies with refractive materials;

V-Ray 5, update 1

Official Release

Date - Jun 17, 2021

Build 5.10.20

New features

V-Ray

Cryptomatte in progressive;
V-Ray Material Library in Maya;
Progressive caustics mode;
Maya 2022 support;
New Opacity cutout command;
Added an option to switch between world units and pixels as photon lookup radius for the caustics photon map;
Now exporting pivot and parent transforms information in vrscene files for Vantage and V-Ray for Unreal;

VRayEnvironmentFog

Environment Fog colored transparency;

V-Ray/USD

Initial support for rendering USD files through VRayScene and Maya USD Proxy;
Initial support for in-memory rendering USD stages in Maya;
Support for animated and deforming mesh geometry animation with motion blur;
Support for V-Ray displacement from USD;
Support for V-Ray shaders encoded in USD;
Support for USDPreviewSurface;
Export V-Ray materials and shaders to USD;
Export displacement from shading group to USD;

V-Ray/GPU

Light cache calculated on GPU;
Added support for tiled textures with large amount of tiles on V-Ray GPU;
Rounded corners support with Out-Of-Core geometry
Support for VRayDirt and VRayCurvature with Out-Of-Core geometry
Support for VRayFastSSS2 with Out-Of-Core geometry
Support for VRayALSurfaceMtl with Out-Of-Core geometry
Support for VRayClipper with Out-Of-Core geometry

VRayMtl

New translucency modes for VRayMtl (based on VRayScatterVolume);
Thin-walled refraction option;

VFB

VRayStandalone with VFB2 support;
Now possible to change or remove VFB2 shortcuts;
Layers masking based on Cryptomatte, integer and color render elements data;
Added stamp layer support;
Custom White Balance support for color picker and tint;
Support for animated sequences for Background layer using <frameNum> tag;
Added an option to bake the RGB primaries conversion;
Added horizontal/vertical offset for Background layer;
Image Info for the history images;
Added the frame number to the VFB History image info overlay;
Save color corrections to a LUT file;

LPE

Changing light path expression now updates in IPR;

V-Ray Material Library

Added drag-n-drop support into the Maya viewport;

V-Ray/vdenoise

Integrated Intel Open Image Denoiser;
Added an option to select denoiser engine for IPR;

VRayRectLight, VRayMeshLight, VRayLightSphere

Added "Occlude other lights" option for V-Ray lights;

VRayProxy

Created vrayImportVRmeshGeom command to import proxies as Maya geometry;

V-Ray/VRayProxy

Added a filter for searching VRayProxy hierarchy;
Added import/export of VRayProxy material rules;

VRaySun/V-Ray GPU

Added support for blending the sun with the horizon with the Improved sky model;

VRayPluginNodeMtl

Support for float textures;

Material importer

Add support for importing float texture opacity map;
Add support for importing blend_method parameter of TexTriPlanar;
Add support for importing TexNormalBump;
Add V-Ray extra attribute for filter blur to the file node;
Add support for importing "out_intensity" and "out_alpha" texture output parameters;
Add support for importing plugin node float textures;
Add option to disable Maya-style alpha detection on file textures;
Material importer support for bitmap extra V-Ray attributes;
Support for VRayUVWRandomizer in material importer;
Added .vrmat support in material importer;

Viewport 2.0, Material importer

Add support for the ColorCorrection plugin as a Maya node;

Improvement - Viewport 2.0, VRayPluginNodeMtl

Passthrough viewport preview for some PluginNode textures;

V-Ray/VFB2

Added buttons for the R, G and B channels to the VFB2 toolbar;

V-Ray GPU

Added support for normal maps in world space;

VRayMultiSubTex

Added random by scene name to MultiSubTex;

Viewport 2.0

Added support for sheen and coat in Viewport 2.0;
VRayLayeredTex basic viewport preview;

Modified features

V-Ray GPU

Optimized CUDA CPU performance;
Changed the default min/max subdivs values for V-Ray GPU Bucket rendering;
Support for back side material IDs;
Optimized IPR scene updates with OptiX;
Implemented displacement in world space;

V-Ray

Move all V-Ray dll/so files to V-Ray's bin folder;
Dropped support for Maya 2017;
Material labels now work consistently with layered materials;
Support new texture colorspace in Maya 2022;
Calling the V-Ray Material Library browser when it already exists should bring the window to front;
Faster initialization of meshes with static 3D displacement in Standalone;
Failing to write to output image folder should be an error;
Now ignoring "Don't save image" option when submitting to Chaos Cloud;
Allow arbitrary values for the motion blur's interval center parameter;
Mixed filtering option for ZDepth;
Don't include the GPU stats when copying to clipboard from the VFB;
ExtraTex should no longer affect sampling by default;
Network assets will be used when local caching fails;

Improvement - V-Ray

Removed the auto scale buckets option;

VFB

Remember the last used location and format when saving an image from the VFB;
Keep VFB2 window in front/on top of Autodesk Maya;

VRayDirt

Added a multiplier for the radius in VRayDirt;

VRayMeshLight

Made VRayLightMesh available in Maya light editor;

VRayTriplanar

Replaced the "scale" parameter of the VRayTriplanar texture with "size" dependent on the scene units;

V-Ray/V-Ray GPU

Improved volume intersection & shading;
Added the IPR performance statistics to the VFB 2 Stats panel;

XGen

Deprecated the legacy XGen vrscene exporter;

Material importer

Load the lookdevKit if it is not loaded when importing a material;
Import TexLayeredMax to native node;
Native import for most used nodes;
Deduplicate identical shading graph parts;
Import VRayLayeredTex from VRayScene as a native Maya node;

V-Ray/USD

VRayLightMaterial is not exported to USD;
Render animated USD list attributes;
Render USD with multi material geometry exported from Maya;

Chaos Cloud

Vrscene packing should now relies on cloud client file naming;

V-Ray/VRayProxy

Undo support for proxy material overrides;

VRayCarPaint2Mtl/VRayFlakes2Mtl

Proper UI for Flake Random Color and Flake Scale Triplanar in Carpaint2/Flakes2;

V-Ray GPU/VRayDirt

Add support for dirt and curvature attached to extra tex when OOC geometry is enabled;

Bug fixes

Material importer

Fixed empty UVWGen warning on importing Float textures;
Fixed importing UVWGenObject when connected to auto generated VRayPluginNodeTex;
Fixed Material importer flaw for materials with embedded bump attributes;
Fixed importing the "gtr_gamma" attribute in the BRDFVRayMtl plugin;

V-Ray

Fixed VFB History loading very slowly when OCIO configuration is used for display;
Crash when rendering empty USD layer;
Different color space in USD file with bitmap for VRayMultiSubTex and VRayLayeredTex;
Wrong result from vfbControl when Display Correction is None;
Crash rendering USD file with VRayBlendMtl;
Fixed random artefacts on USD materials;
Fixed VRayUpdateAE error when selecting nodes from USD hierarchy in the outliner;
Fixed Dark coat over refractive VRayMtl;
Fixed color management configuration not working in 2022;
Fixed render settings startup JSON presets not working;
Fixed slower rendering and excessive memory usage with user attributes as bitmap tags;
Fixed slow carpaint2 and flakes2 swatch rendering;
The UVWGenRandomizer should not transform the UVs in any way when mode 0 is selected;
Fixed error building Embree voxel tree when "Conserve memory" is enabled in certain scenes;
Fixed Deadlock when building image planes for MipMap buffers;
Fixed output EXR and VRIMG files being written with the wrong group permissions on Linux;
Fixed scenes containing OSL shaders saved with V-Ray older than 5 giving an error;
Fixed difference between glossy and mirror caustic reflections from metallic surfaces;
Fixed Slow rendering with duplicated textures;
Fixed difference in DOF between in DR vs local;
Fixed Custom Color render element not working for alpha;
Fixed VRayCarPaintMtl2 coat IOR <1 not consistent in V-Ray and V-Ray GPU;
Viewport IPR: Fixed resizing Maya window changing camera zoom, depending on camera scale;
Fixed crash with corrupted PNG files;
Fixed Intel Open Image Denoise producing artefacts in the alpha;
Fixed crash with Instancer and Velocity RE;
Fixed wrong VRayMtl normal map in tangent space;
Fixed Incorrect LPE light selects with light cache (CPU);
Fixed OSL error with UNC include paths;
Fixed create Render Node window remaining on top when creating VRaySphereFade;
Fixed different TexRandom by face index between Windows and Linux/OSX;
Fixed open map with Irradiance Map Viewer not working;
Fixed memory leak when rendering vrscene which has been exported with VFB2;
Fixed scene with alembic hair and motion blur hangs on compile geometry phase;
Fixed wrong VRayDirt render when another node passes a value to textured parameter;

V-Ray/IPR

Fixed IPR not refreshing when manipulating MASH on instancer mode;

VRayProxy

Fixed the option for "Assign shaders by name" in VRayMeshMtl not working properly;

VFB

Fixed error when opening VFB2 for the first time;

V-Ray GPU/VRayBlendMtl

Fixed fireflies in additive mode with multiple coat layers;

V-Ray/USD

Fixed support for in-memory rendering USD stages in Maya;
Fixed <UDIM> tags not working;

VRayMtl

Fixed wrong render with thin-walled refraction option;

V-Ray GPU

Fixed slow GPU LC preview when moving the scene in IPR;
V-Ray GPU fails to load and render tiles texture with Mudbox filename format with lowercase $u and $v;
Fixed Light select and GPU light cache not rendering correctly;
Fixed crash with GPU Light cache from file on second render;
Fixed GPU Memory leaks after IPR updates when there is capraint2 material in the scene;
Fixed crash with RTX when deleting a map in VRayDisplacementMod during V-Ray GPU IPR;
Fixed texture on objects with normal displacement appearing smudged in GPU production renders with on-demand mipmapping;
Fixed specific opacity texture is often rendered incorrectly on GPU when mipmapped;
Fixed unhandled exception with V-Ray GPU IPR;
Fixed crash with Dome light, cpu light cache and bucket sampler;
Fixed darker GI with matte objects when matte for refl/refr is off;
Fixed artifacts when changing the region in IPR and using Adaptive lights;
Black artefacts on objects with mipmapped hi-res textures;
Fixed empty buckets with Hybrid rendering and LPE;
Fixed Matte is not working correctly with shadow linking;
Fixed RTX producing fireflies with specific scene;
Fixed crash on consecutive rendering with VRayClipper and VRayTriplanarTex;
Fixed consecutive SunLight updates crashing interactive CUDA renders;
Fixed crash with 32k textures in full size mode;
Fixed UVWGenChannel use_double_sided_mode option ignored by the GPU engine;
Fixed crash when using vrmesh file with more than 16 material and UV maps;

VRayCarPaintMtl

Fixed crash with VRayCarPaintMtl with flake size 0;

Viewport 2.0

Fixed V-Ray lights are not hidden in the viewport after being set to be hidden;
Fixed environment reflection viewport preview;
A hidden dome light no longer visible in viewport reflections;

VRayPluginNodeMtl

Fixed list items with defaults in VRayPluginNode disappearing after saving to Maya scene;

VRayProxy

Fixed animated alembic not caching the animation with the new proxy;
Fixed VRayProxy not packaged in a Maya archive;

VRayStochasticFlakesMtl

Fixed Carpaint2 and Flakes2 crash when updating material swatches;

vrimg2exr

Fixed vrimg2exr crashing in GUI mode on Linux when overwriting an existing file;

V-Ray 5, Hotfix 2

Official Release

Date - Sep 30, 2020

Download - Build 5.00.22

New features

VRayProxy

Allow clicking in the viewport to select proxy sub-objects

V-Ray GPU

Added reflection and refraction amount for matte objects

VFB

Implemented renderer stats in VFB2;

Modified features

V-Ray

Faster unloading of V-Ray when closing Maya;

VRayProxy

New proxy option for import is now on by default;
Improved conversion script to new proxy node;

Chaos Cloud

Remove extraneous error when default project's name contains non-ASCII characters

Bug fixes

LightMix

Fixed crash when enabling light in IPR on refractive material with LightMix enabled;

Bifrost

Fixed crash with Bifrost Aero scene;

VRayFastSSS2

Fixed NaN pixel values from SSS in some cases;

AppSDK

Fixed broken AppSDK distribution with V-Ray for Maya;

V-Ray GPU/VRayBlendMtl

Fixed fireflies in additive mode with multiple coat layers;

VRayToonMtl

Fixed toon edges override not working properly with bump mapping;

nParticles

Fixed wrong rendering with motion blur and distributed rendering;

VRayEnvironmentFog

Fixed wrong render with caustics;

VFB

Fixed crash with VFB2 when saving image before render has started;
Partially fixed VFB window disappearing behind Maya (still an issue on macOS)
Fixed VFB2 showing out of monitor bounds on high DPI monitors at 175% scaling

VRayProxy

Fixed black wireframe in proxy viewport previews;

V-Ray GPU

Fixed the disc of VRaySun not visible in V-Ray GPU;

V-Ray

Fixed negative values result when subtracting Light Select from Beauty
Fixed error when opening a scene with an object with VRayLightMesh properties
Fixed using overscan offsets the rendermask incorrectly
Fixed a crash with XGen when rendering a Velocity channel on non-moving hair

VRaySun

Fixed Maya crash when creating VRaySun light

V-Ray IPR

Fixed objects disappearing when creation history is deleted

VRayVolumeGrid/V-Ray IPR

Fixed IPR crash when stopping rendering on scenes with VolumeGrid

LPE

Fixed specular refractions cannot be distinguished from specular reflections behind them

VRayGLSLMtl/VRayGLSLTex

Fixed crash in certain cases when using "max" and "clamp" GLSL shader functions

VRayClipper

Fixed wrong render with VRayClipper attached to a scaled object

VRayMtl

Fixed turning off "Generate Caustics" option has no effect

V-Ray DR

Fixed slow startup when DR is enabled on Linux and macOS

V-Ray 5, Hotfix 1

Official Release

Date - Sep 30, 2020

Download - Build 5.00.21

New features

SamplerInfo

Added a frame index offset output for motion blur intervals larger than a frame

Modified features

LightMix

LightMix now supported in batch rendering
Disabled lights no longer go into the light mix list

VRayCarPaint2Mtl

New car paint material now production ready

VRayFlakes2Mtl

New flakes material now production ready

V-Ray GPU

Improved rendering speed for objects with primary visibility off

VRayUVWRandomizer

Fixed wrong export of "by render ID" random mode

Bug fixes

V-Ray

Fixed referenced scene causing Render Settings Common Tab UI to shrink
Fixed packing to vrscene zip folder structure
Fixed a crash when loading tiled EXR with size 1
Fixed crash with Bifrost Aero scene

VFB

Fixed VFB2 not restoring up on new render
Fixed the "Reset VFB position" functionality from the shelf with VFB2
Fixed New VFB picking up random values for settings on certain old scenes

MtlMulti

Fixed warning with when "ids_list" parameter is empty

VRayCarPaint2Mtl/VRayFlakes2Mtl

Fixed mapping channel not working
Fixed non-deterministic render

VRayProxy

Fixed Maya hanging when loading Alembic file with a large number of instances
Fixed VRayProxy2 still visible in the viewport after being hidden
Fixed wrong preview of Alembic sequences with motion blur

VRaySun

Fixed sun not taking time zone values above GMT +2

VRayMtl

Fixed bump multiplier for normal map in tangent space
Fixed incorrect bump map export with VRayUVWRandomizer

VRayHairNextMtl

Fixed non-deterministic render of hair

VRayFastSSS2

Fixed NaN pixel values from SSS in some cases

Chaos Cloud

Fixed error with non-ascii symbols

VRayToonMtl

Fixed wrong results with opacity mapped VRayToonMtl

VRaySky

Fixed Maya image plane blocking GI from environment
Fixed IPR not updating when changing filter color

Light Path Expressions

Fixed wrong capture of lights that are invisible in the final rendering

V-Ray 5

Official Release

Date - Aug 6, 2020

Download - Build 5.00.20

New features

Installation

Embed the License Server and the Cloud Client installations in the V-Ray for Maya installer
Integrate the new installer in V-Ray for Maya

VFB

New VFB with light mix and compositing capabilities
Old VFB can be re-enabled with VRAY_VFB2_ENABLED=0 environment variable

V-Ray

Added LightMix render element in Maya
Added new render elements for VRayToonMtl
Added JSON-formatted Light Select metadata to EXR files
Added render elements presets based on intended compositing workflow
Implemented blue-noise optimization for the DMC sampler
Implemented "Improved" sky model
Improved post translate Python script control
Light Path Expressions
LPE boolean operations ^, &, | and - on expression
Support ACEScg renderer color space

VRayProxy

New VRayProxy node

VRayMtl

Added a clear coat layer to VRayMtl
Added a sheen layer to VRayMtl

VRayBlendMtl

VRayBlendMtl with dynamic layers

VRayDomeLight/V-Ray GPU

Ground projection for Dome Lights

V-Ray GPU

Added support for Cryptomatte mode by Node Material Name
Initial support for Out-of-Core codepath
Initial Matte Next implementation
Per-device GPU memory tracker
Support for Environment and Self Illumination contribution for Light Selects
Support for the Spline interpolation types of Maya ramps
Support for Random by Name mode of VRayMultiSubTex
Support for the Secondary matte projections on the GPU
2D Displacement support

V-Ray Denioser

Denoising devices can now be selected with an environment variable

VRayVolumeGrid

Maya Mesh support for Cached Playback in Maya 2019 and 2020

V-Ray Scene Converter

Convert lights for V-Ray

Modified features

VRayProxy

Added an option to export full path names for proxies
Automatic conversion to the new VRayProxy node
Check if the folder where the proxy will be saved exist before the export starts
Enabled "Optimize for instancing" for proxy export by default
Renamed the "One voxel per mesh" label for proxy export to "Optimize for instancing"
Renamed -vrscenePreview to -vrsceneWholeScene in the ply2vrmesh option list
Speed up the proxy export

V-Ray

Light evaluation UI improvements
GI settings clean up
Cleaned up the Light Cache settings
Improved access to often used items in V-Ray menu
Removed "Generate render elements" option from Denoiser Render element UI
Enabled texture cache by default
Added support for Sheen and Coat parameters in VRayMtl to material importer
Removed the Auto Volume Shader option for Maya Fluids
Removed the Embree settings from the UI
Removed the skylight portal options for lights
Removed the Irradiance Map GI engine
Removed the Linear Workflow option
Enabled GI by default
Cleaned up the UI for lights
Removed the V-Ray Quick Settings
Removed the local subdiv settings and use automated shading sampling
Do not adjust intensity when changing light units for mesh lights
Improved drag and drop default connections onto the V-Ray Mtl material override extra attrbites
Added support for V-Ray list parameters in VRayPluginNode
Faster instancer export
VRayScene: Render Stats / Wrapper for Instancer2
UserAttibuteValue should not truncate integers larger than 24 bits
Volumes in VRaySwitchMtl should only use the volume plug
Removed V-Ray Swarm from the UI
Bitmap filenames from user attribute tags should not append project path

V-Ray GPU

Make V-Ray GPU use the memory of the Meshes directly from V-Ray containers without copying
Implement picking objects/materials for Optix
EXR and TIFF files are now referenced in memory based on hash metadata
Ability to enable or disable the global hair tree
Added support for instancing hair on GPU
Faster first startup on multi-GPU machines
Reduced memory usage when using RTX
Improved volume intersection and shading
Added log messages for NVLink usage
Updated the volumetric rendering on V-Ray GPU to be able to handle Volume grid and Environment Fog primitives simultaneously
Improved time-to-first-pixel when there's lots of nodes with user attributes
Reduced memory usage with OptiX when rendering with bucket sampler and on-demand textures

VRayProxy/ V-Ray IPR

Improved responsiveness when moving proxies in IPR

VRayHair3Mtl

Removed VRayHair3Mtl

VRayMtl

Energy preserving Metalness for colored reflections
Removed the exit colors and soften edge advanced options from VRayMtl

VRayToonMtl

Removed soften edge and exit colors from VRayToonMtl

V-Ray IPR

Removed the out-of-process IPR option

Viewport 2.0

Apply color management for file textures connected to lights in Viewport 2.0
Removed the Viewport display options for textures of lights

VRayFastSSS2

Removed the front and back lighting options from VRayFastSSS2

V-Ray/VRayProxy

Improved proxy loading performance
Improved alembic import times

VFB

Collapse the individual color corrections rollouts by default

VRayLightMtl

Greyed out the compensate exposure option of LightMtl when direct illumination is enabled

VRayVolumeGrid

Added support for explicit texture coordinates for the Texture sampler in Maya/Standalone

Bug fixes

V-Ray

Fixed slower render when started by clicking the VFB "render last" icon
Fixed wrong bounding boxes on VRayScene preview
Fixed new hair material not being affected when AcesCG color space is selected
OSX: Fixed Installer failing to remove firewall exception
Fixed artifacts with the adaptive dome light in the attached scene
Fixed wrong object translations with flipAxis enabled in the VRayMesh preview
Fixed very high memory usage when playing with VFB color corrections and the vfbControl command
Fixed wrong VRaySun viewport preview when parent transform is scaled
Fixed fatal error when rendering a refractive material in a specific scene
Fixed OSL shader not taking into account the connected multiplyDivide node
Fixed importing plugin object parameters for VRayPluginNode not working
Fixed skipExistingFrame breaking the dome light texture when the first frame exists
Fixed having V-Ray AppSDK installed prevents python in V-Ray for Maya working
Fixed rendering hair ignoring per vertex map channels
Fixed using uninverted normal bump option resulting in strange/wrong rendering
Fixed error for swatches of file textures with filenames containing tags
Allow longer names of render elements when saving in a .vrimg file from the VFB
Fixed user attribute syntax with spaces around attribute name not working
Fixed segmentation fault with alembic file on Linux
Fixed instanced hair crashing when using VRayHairMtl
Fixed error on importing vrscene with vrscene in geometry mode inside
Fixed the Locator scale parameter not working on sphere and rectangular V-Ray lights in Viewport 2.0
Fixed V-Ray could crash if reading maximum memory snapshot after plugins have been unloaded

V-Ray GPU

Fixed crashes when rendering with CUDA CPU
Fixed crashes when rendering with OOC and a dynamic mesh has velocity channel
Fixed crashes if it fails to initialize devices
Fixed crash during vray mesh export
Added support for more than 8 light select render elements when using light cache
Improved GPU loading time on scenes with many materials
Do not allow NaN colors read from EXR files into the renderer
Fixed wrong hue shift when using the colorCorrect node in Maya
Fixed random crashes when there is a particle system in the scene
Fixed Gamma and Alpha controls in the Maya colorCorrect texture not working on the GPU
Fixed crash with VRayBlendMtl additive option
Fixed crash when rendering very tiny hairs with length close to zero
Fixed rendering on GPU with NVLink crashing in specific scenario
V-Ray may crash when rendering with GPU and the GPU fails during initialization
Difference between Full Light Select RE and RGB with VRayFastSSS2
V-Ray standalone prints garbage on the first progress print
Artifacts in consecutive renders after modifying texture used in both displacement and shading
HDR Textures with really high values attached to lights can cause fireflies
Material index overflow on GPU causes artefacts in specific scene

VRayALSurface

Fixed SSS not computed for VRayALSurface materials seen through glossy refraction

V-Ray IPR

Fixed crash with Lens Effects and IPR set to interactive update

VRayBerconNoise

Fixed VRayBerconNoise Color1 and Color2 missing in Lookdev Hypershade template
Fixed Bercon Noise rendering differently in Maya 2015, 2016, 2016.5 and 2017

VRayProxy

Fixed crash with Maya's Evaluation Cache when changing VRayMesh preview type

VRayMultiSubTex

Fixed VRayMultiSubTex not looping through texture ids correctly

V-Ray GPU/VRayBlendMtl

Fixed random incorrect render of VRayBlendMtl with submaterials with bitmaps

Content

Space Tools

V-Ray 5, update 2.2

New features

Modified features

Bug fixes

V-Ray 5, update 2.1

New features

Modified features

Bug fixes

V-Ray 5, update 2

New Features

Modified Features

Bug Fixes

V-Ray 5, update 1.2

New features

Modified features

Bug fixes

V-Ray 5, update 1.1

New feature

Modified features

Bug fixes

V-Ray 5, update 1

New features

Modified features

Bug fixes

V-Ray 5, Hotfix 2

New features

Modified features

Bug fixes

V-Ray 5, Hotfix 1

New features

Modified features

Bug fixes

V-Ray 5

New features

Modified features

Bug fixes