V-Ray 6, public beta 1

Beta release

Date - Jul 13, 2022

Build 6.00.01

New features

VRaySun

• Clouds for the V-Ray sky

VRayMtl

• New SSS translucency illumination mode in VRayMtl
• Energy compensation option for the GTR BRDF
• Add support for a thin film layer in VRayMtl

V-Ray IPR

• Light cache support option for IPR

VRayLightDome

• Finite radius for the dome light with option for ground projection

VRayDecal

• VRayDecal displacement support

V-Ray GPU

• New GPU device selection tool

USD

• Support for VDB shaders in USD
• Add support for MayaUSD 0.17 & 0.18

Chaos Cloud

• Non-blocking Cloud export
• Allow direct cloud submit with no project selected

V-Ray

• Add a Metalness render element
• Allow vfbControl MEL command in batch mode
• Implement optimized auto-bump mode for displaced meshes

VRayMtl, V-Ray GPU

• Add support for a thin film layer in VRayMtl (GPU)

V-Ray, VRayEnvironmentFog

• Add support for probabilistic shading of textured fog for primary rays

Modified features

Installer

• -unpackInstall option for the installer instead of zipped installs

USD

• Improved USD material importer UI
• Assume -chaser "vray" flag when using mayaUSDImport command

V-Ray

• Ability to prevent proxy import when drag-and-dropping in Maya through VRAY_DISABLE_DRAG_DROP_FILEEXT envvar
• Added support for light depth sampling in the volume grid
• Use float controls for the explicit displacement bounds values
• Added a C++ API for exporting simple parameters for third party translators
• Redesign the V-Ray Shelf and Material icons
• Add environment variable for third-party devs to point to additional extra attribute txt files
• Add fit aspect ratio to material/bitmap functionality for VRayDecal
• Add the ability to change the color of the A|B line in the VFB
• Add the path to the vrimg file to the image info in VFB History
• Add menu items for enabling/disabling history and layers
• Mark the scene dirty when making changes to layer compositing in VFB2

VRayMtl

• Hide the double-sided option in VRayMtl

Material importer

• Add native support for MtlGLSL in importer

USD

• Export VRayMtl as V-Ray material and USD Preview Surface
• Improve error handling and add help to the vrayExportUsdMaterials command

V-Ray, V-Ray GPU, VRayDirt

• Support for "Result affect" in VRayDirt

V-Ray GPU

• Change GPU clamp to work as CPU clamp
• Implement auto bump mapping for smoothed and displaced meshes

V-Ray GPU, VRayDistanceTex

• Autovoxelize dynamic geometry in V-Ray GPU

VRayDecal

• Animatable VRayDecal parameters

VRayHairNextMtl

• Change the default Compensate Energy in VRayHairNextMtl to OFF

VRayProxy

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

XGen

• Enable parallel XGen export
• Refactor XGen code and fix annoying behaviours

Bug fixes

Material importer

• Nodes connected to Thin Film attributes don't get imported in Maya
• USD scenes with textures are imported black in Viewport

USD

• Invalid handling of instanced non geometry primitives
• Show the warning for unsupported USD versions during render
• Physical camera from USD scenes are imported with Depth of Field enabled
• Mismatch with displacement in Houdini
• Crash when importing USD scenes with the -shadingMode flag and USD 0.15
• USD scenes with particles are imported wrong in Maya Viewport
• Locked camera parameters when imported from USD
• Crash when importing specific USD scene with bitmap
• Crash when importing USD scene with VRayPhysicalCamera through MEL command
• Transform mismatch with Skel USD file
• Unsupported shader parameters in USD
• USD with VDB inside IPR crash on transform

USD, Material importer

• Specific Skel USD scene is not rendered

V-Ray

• VFB2 OCIO display corrections not synced with Maya in batch

• Correctly export VRayMtl bump type as integer USD attribute

• Importing USD scenes with usdPreviewSurface material is rendering wrong in CPU

• Crash when rendering VRayMtlGLSL in USD scene with GPU

• The persistent VFB setting to resize on resolution change does not persist

• The VFB2 test resolution button isn't reflecting the current resolution if its enabled when re-opening a scene

• VFB2 OCIO display correction not found with Maya batch on Linux
• The -unpackInstall installer option does not handle UNC paths well
• Wrong vrscene lights export when combined with "Separate files" option
• Print a message for unsupported Chaos Cosmos Browser for Maya 2019 on both Linux and macOS
• AppSDK shipped in V-Ray for Maya installation doesn't work on MacOS;
• Ray derivatives are not computed for perfect refractions;
• Incorrect reflection on objects with motion blur and vray subdivisions
• Recalculating bloom/glare lens effects produces artefacts on Linux
• Error when selecting "Lens File" Distortion type of V-Ray Physical camera in IPR
• Standalone installation cropped UI on HighDPI MacOS
• Standalone installation cannot start a distributed rendering server on MacOS
• The VFB history option to copy the scene path also copies the project path
• Moving the layers splitter triggers vassert
• Log typo in Estimated time remaining line
• Illegible symbols in memory tracking for Dynamic geometry on Linux
• Hair cache is not cleared with Ortnatrix .abc in VRayProxy
• GPU LC is slower to render with big resolutions
• VFB2 OCIO display correction not found with Maya batch on Linux
• The -unpackInstall installer option does not handle UNC paths well
• Wrong vrscene lights export when combined with "Separate files" option
• Print a message for unsupported Chaos Cosmos Browser for Maya 2019 on both Linux and macOS
• Cannot load vrayformaya.mll in Maya 2019
• AppSDK shipped in V-Ray for Maya installation doesn't work on MacOS
• Ray derivatives are not computed for perfect refractions
• Incorrect reflection on objects with motion blur and vray subdivisions
• Recalculating bloom/glare lens effects produces artefacts on Linux
• Error when selecting "Lens File" Distortion type of V-Ray Physical camera in IPR
• Standalone installation cropped UI on HighDPI MacOS
• Standalone installation cannot start a distributed rendering server on MacOS
• The VFB history option to copy the scene path also copies the project path
• Moving the layers splitter triggers vassert
• Log typo in Estimated time remaining line
• Illegible symbols in memory tracking for Dynamic geometry on Linux
• Hair cache is not cleared with Ortnatrix .abc in VRayProxy
• GPU LC is slower to render with big resolutions

V-Ray GPU

• Fixed excessive memory usage on GPU LC, plus decreased performance on some scenes
• Thin film IOR differences between CPU and GPU
• Qt device select tool crashes on startup
• Crash with Physical camera's position constraint
• Crash when rendering specific alembic particles file
• Some threads never finish with low_gpu_thread_priority=1
• Difference in HairNextMtl on surface geometry between V-Ray CPU and GPU
• Crash with GPU Light cache subdivisions set to 2000 and sample size >0.1
• Scene with Light Cache crashes if run in parallel on Linux
• Render time difference between V-Ray versions
• VRayCryptomatte is not working with kernel 3
• Cuda error 700 when rendering specific scene file with deformable geometry and multi/sub materials
• Wrong render of VRayMultiSubTex on geometry with motion blur
• Incorrect render with VRayEdgesTex on subdivided geometry
• Incorrect render with Forest Color texture in Get ID from Element mode
• OOC related crashes in V-Ray GPU
• Crash when rendering to texture and geometry with displacement
• Wrong fog color alpha results when refraction set to affect all channels
• V-Ray GPU crashes when rendering specific scene with RTX or OOC
• The alpha of a transparent VRayMaterial is not working correctly
• V-Ray Next GPU produces different alpha compared to the CPU and V-Ray 3.x in a specific case

VRayMtl

• Crash to desktop when modifying Set Range connected to Thin Film

VRayProxy

• Crash when importing specific alembic with particles
• Textures are not shown in the viewport on some Cosmos assets
• Proxy2 frame transformations not reflected in Viewport 2.0 in Maya 2023

Viewport 2.0

• Support for Normal and bump maps with V-Ray materials in Viewport 2.0

V-Ray, V-Ray GPU

• VRayMtl with translucency is not rendered properly after resuming a render using RTX mode of V-Ray GPU and Light cache
• Projections using Spherical camera are not rendered correctly with V-Ray GPU

Installer

• AppSDK shipped in V-Ray for Maya installation doesn't work on Linux

V-Ray, VRayLightDome, VrayLightIES, VRayMeshLight, VRayRectLight, VRaySun, V-Ray GPU

• Instanced textured VRayLights don't share loaded textures

V-Ray, VRayStochasticFlakesMtl

• Differences between VRayMtl and stochastic flakes with reflection glossiness=1

V-Ray, VRaySun

• LPE light tags support

V-Ray GPU, VRayLayeredTex

• VrayLayeredTex not working with more than 6 inputs on GPU

VRayDecal

• Animated VRayDecal gizmo dimensions not updated in viewport

VRayFur

• Wrong UV linking with multiple UV sets in VRayProxy 

VRayHairNextMtl

• Missing Color and Intensity in UI for lights created from PluginNode

VRayMtl, V-Ray GPU

• Artifacts on specific scene with VRayMtl SSS translucency
• Wrong render with SSS2

VRayProxy, Cryptomatte

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

VRayProxy, V-Ray GPU

• The 'Per instance materials' options for alembics does not work properly in GPU 

VRayStochasticFlakesMtl

• Outline on objects with VRay Stochastic Flakes Mtl

VRayToonMtl

• Diffuse artifacts with anisotropic reflections and sheen or diffuse roughness

VRayVolumeGrid

• Standalone Previewer and Property Lister crash on macOS

Viewport 2.0, V-Ray GPU

• Rendering artifacts with anisotropy reflections

Viewport 2.0, VRayPluginNodeMtl

• Some Maya materials are imported black in Viewport

Viewport 2.0, VRayProxy

• Support for Normal and bump maps with V-Ray materials in Viewport 2.0

vdenoise

• Standalone Vdenoise tool doesn't work with multi-part .exr files