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