--- title: "V-Ray 5" canonical: "https://documentation.chaos.com/space/VMAYA/111739482/V-Ray%205" format: markdown --- > Macro (anchor) ## **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 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 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](https://download.chaosgroup.com/?license_type=adv&platform=48&product=47&utm_campaign=V-Ray-for-Maya-Release-2020-h2-hotfix-1&utm_content=notifier&utm_medium=product&utm_source=vray-maya) ### 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](https://download.chaosgroup.com/?license_type=adv&platform=48&product=47&utm_campaign=V-Ray-for-Maya-Release-2020-h2-hotfix-1&utm_content=notifier&utm_medium=product&utm_source=vray-maya) ### **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](https://download.chaosgroup.com/?platform=48&product=47) ### **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