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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


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