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UI Button
colorblue
newWindowtrue
icondownload
titleDownload V-Ray for Houdini
urlhttps://download.chaosgroup.com/?platform=58&product=47



New features

...

V-Ray

  • Add new instancing backend for lower time to first pixel and optimized scene size
  • Implement multi-threaded multithreaded "Compiling geometry" step for polygon meshes
  • Add Houdini 20: GCC 11 build Linux builds support
  • Add support for Houdini 20.0.590 production build
  • Add support for Houdini 20.0.547 production build
  • Update V-Ray Core to 6.2
  • Make single installer for all supported minor HDK builds, per major HDK version
  • Image File VOP "File Path" parameter promotion
  • Add Preserve Geometry Borders support

...

  • "Save Cryptomattes Separately" toggle under the Image tab of the V-Ray Renderer ROP
  • Add V-Ray Decal Displacement parameters
  • Add ability to assign V-Ray Object Properties at the SOP level
  • Add support for Resumable renderingV-Ray Material Metalness and Roughness AOVs
  • Add support for the "Preserve Geometry Borders" toggle for SubdivisionToon environment effect support
  • Add support for Unpacking nested instancers to improve time to first pixel
  • Implement Python Post Translate

Lights

  • for Light Select for Environment Fog with texture attached to it
  • Add support for Houdini's native Parameter VOP
  • Add support for positive and negative axis textures for the Triplanar textureAdd Light Attenuation controls
  • Add "Path Guiding" for Light Cache GI to the V-Ray Render Settings
  • Add "Adaptivity Clamp" option to the V-Ray Render Settings
  • Add "Directional Strength" paramter parameter for V-Ray Rect Light
  • Add "Adaptivity Prepass" parameter for Brute Force GI
  • Add "Light Select Matte" toggle for isolating shadows over matte/holdout surfaces with Light Select AOV
  • Add "Direct Diffuse Shadow" and "Direct Specular Shadow" modes for Light Select AOV
  • Add custom OCIO control for providing a config file under the Units tab of the V-Ray Render Settings
  • Add Phase Function control for the V-Ray Fog EffectAllow for separate material assignment for V-Ray Fur when using Displaced geometry as the source
  • Add support for Per Area distribution type for V-Ray Fur with live geometry
  • Expose V-Ray Fur "Lock to Surface" and "Reference Frame" for "Per Area" distribution type
  • Add "Bump Delta Scale" control for the V-Ray Material
  • Add support for Renderer ROP Material Overrides for Volumetrics
  • crease data with subdivision through the "creaseweight" attribute
  • Add support for shader overrides based on "scene_name" for Rayserver Instancer
  • Add support for subnet connector VOP
  • Add Sheen, Sheen Glossiness, Coat and Coat Glossiness AOV support
  • Add "Light Select Matte" toggle for isolating shadows over matte/holdout surfaces with Light Select AOV
  • Add "Direct Diffuse Shadow" and "Direct Specular Shadow" modes for Light Select AOV
  • Support for VRScene unpacking with RenderStats, Wrapper or Multi ID material export from 3ds Max
  • Add Volume Shader Velocity Smoothing "Threshold" and "Similarity" options
  • Export the V-Ray Material SSS to the SSS render element instead of Refraction
  • Add support for SOP level V-Ray Object Properties for packed disk primitive VDBsAdd N attribute sampling support through User Color VOP
  • Add "Min.Pixel Size" render setting to support very small lights that are far from the camera
  • Support Add support for Cryptomatte by attribute Attribute for Alembic primitives
  • MtlX: Add GPU support for Mtlx Image's Signature type
  • Add support for positive and negative axis textures for the TriPlanar texture
  • alembic primitives and string string attributes placed over the packed alembic primitive
  • Add "Bump Delta Scale" control Add "real_world_scale" parameter for the V-Ray Plane SOPMaterial
  • Add V-Ray Decal Displacement parametersAdd support for VDB vector fields for Smoke ColorRenderer ROP Material Overrides for Volumetrics
  • Add support for SOP level V-Ray Object Properties for packed disk primitive VDBs
  • Solaris: add support for vec3 and float3 volumes for smoke color
  • Solaris: Add support for live volumes
  • N attribute sampling support through User Color VOP

Solaris

  • Add support for Resumable rendering
  • Add support for the V-Ray Toon environment effect through the Single VOP and the Solaris: Add support for V-Ray Clipper through the Render Geometry Settings LOPSolaris:
  • Add OSL support
  • Add ability to assing V-Ray Object Properties at the SOP level
  • Add support for V-Ray Material metalness and roughness render elements
  • Add support for the "Preserve Geometry Borders" toggle for Subdivision
  • Add support for Light Select for Environment Fog with texture attached to it
  • Add support for Houdini's native Parameter VOP
  • Add proxy preview type in VRayScene import
  • Add export for V-Ray crease data with subdivision
  • Add support for crease data for meshes
  • Add support for shader overrides based on "scene_name" for Rayserver Instancer
  • Add CUDA/RTX support for the Random VOP
  • Add support for Bitmap Buffer frame overrides allowing linear/loop/ping-pong/hold playback of texture sequences
  • Add support for Instance node "Point Motion Blur" parameter
  • Add support for subnetconnector node
  • Solaris: Implement "Trace Sets"
  • support for Unpacking nested instances to improve Time to First Pixel - through the Render Settings LOP
  • Implement Python Post Translate support through the Render Settings LOP
  • Add support for VDB vector fields for Smoke Color
  • Solaris: add support for vec3 and float3 volumes for smoke color
  • Solaris: аdd support for live/native Houdini volumes
  • Solaris: Add support for V-Ray Clipper through the Render Geometry Settings LOP
  • Solaris: Add support for OSL texture and material
  • Solaris: Add support for Trace SetsGenerate velocity out of vertex animation for Velocity AOV if not present
  • Solaris: Use V-Ray Camera settings for viewport IPR
  • Solaris: Instance detection to reduce time to first pixel and RAM used for rendering
  • Solaris: Added COP (/img) nodes support
  • Solaris: Write denoiser gen. generated render elements through Hydra Solaris: Add an option whether to use reference points or notfor standalone denoising post-render
  • Solaris: Support for Cryptomatte primvars for instanced particles
  • Solaris: Support for Cryptomatte primvars for instanced hair
  • Solaris: Initial implementation of V-Ray light filters
  • Solaris: Faster output for beauty render element through LPE (C.*)
  • Solaris: Add support for Light barn door parameters

Fur

  • Expose V-Ray Fur "Lock to Surface" and "Reference Frame" for "Per Area" distribution type
  • Add support for Per Area distribution type for V-Ray Fur with live geometry
  • Allow for separate material assignment for V-Ray Fur when using Displaced geometry as the source

GPU

  • Add CUDA/RTX support for the Random VOP
  • GPU: Add support for object properties reflection
  • Add Render Channel Color support for Sheen and Coat
  • Add Render Channel Glossiness support for Sheen and Coat
  • Solaris: Faster output for beauty render element
  • Solaris: Add support for barn door parameters
  • Support for VRScene unpacking with RenderStats, Wrapper or Multi ID material export from 3ds Max
  • Add Volume Shader Velocity Smoothing "Threshold" and "Similarity" options
  • Export the V-Ray Material SSS to the SSS render element instead of Refraction
  • GPU: Add support for object properties reflection/refraction mask in RTX mode
  • Add GPU support for Mtlx Image's Signature type

Modified features

  • Solaris: Add UsdUVTexture scale/bias support
  • Solaris: Ensure smooth normals on crowd
    • cache
  • caches
  • Cosmos: use space_multiplier for proper scaling of imported
    • object
  • objects
  • Set Cosmos asset materials using a Material SOP instead of assigning the material at the object level
  • Single Installer: add folder check
  • Add support for Renderer ROP Material Overrides for Volumetrics
  • Expose the "Scale Opacity by Scene Units" option of the Volume Shader so Smoke Alpha can be based on scene units rather than voxel count
  • Hide
    • BRDFHair3
  • the old Hair3 material from the GUI
  • MaterialX: Export all outputs present in TexFloatOp to TexAColorOp
  • Add missing "Position Across Strand" output for the V-Ray Hair Sampler
  • Show the"Use Focus Distance from Camera" parameter for the Depth of Field settings of the V-Ray Renderer ROP
  • Expose the UV Bercon Variance Offset, Size and Angle as textureable parameters
  • Enable IPR info logging by default
  • Specified VFB History folder should be automatically created if not present on disk
  • Combine Light materials and Lights with duplicate names in a single element when using Light Mix in "Instanced Lights" mode
  • Solaris: Do not clamp velocity by default for Velocity AOV
  • Apply Enmesh from Cosmos import on all selected object nodes
    • Noise
  • Rendering noise pattern may remain the same for a few frames even with "animated noise pattern" option enabled
  • Ability to promote parameters for textures in
    • VO
  • VOP context
  • Bump2Glossiness: rearange the UI
  • Add support for automatic UV channel handling for VRScene materials from Houdini to 3ds Max
  • Solaris:
    • Strip instance prototype material path __Prototype_ prefixSolaris: Slow
  • Speed up translation of V-Ray shaders
  • Solaris:
    • Improve
  • Improved viewport volume speed
    • Calculate min/max displacement and cusp in frameBeginsable history autosave when rendering animation
  • USD: Add standalone V-Ray 6 builds
  • Set /obj V-Ray light node shape to 'light' and color to yellow on creation
  • Vantage: Instanced geometry is not loaded from live link to Vantage
  • Allow post translate scripts to change VFB settings and layers

Bug fixes

  • Solaris: toggling control on one of the Volumetrics settings triggers the VFB
    • Wrong UI definition for SettingsOutput::img_saveCryptomattesSeparately
  • LightSelect : shadow select modes are missing in Type dropdown menu
  • Solaris/USD : "Use Blend Input" of TexFalloff breaks the IPR
  • Solaris: TexFalloff is not updating in IPR
  • Solaris: Light linker does not trigger an IPR update
  • Solaris/USD:
    • lightlinker
  • Light Linker does not respect instances
  • Solaris: Render hair and smooth normals on Crowd assets as Karma does
  • Solaris: TexSoftbox ignores vignette
  • Solaris:
    • lightlinker
  • Light Linker does not respect include/exclude when subobjects are used
  • Solaris:
    • rectlight
  • Rect Light has wrong control parm definition for directional_strength
  • Solaris:
    • error
  • Error when
    • try
  • trying to create
    • vraystandardrendervars
  • a V-Ray Standard Render Vars LOP
  • Solaris: Light Filters go missing in Viewport rendering when changing the node display flag
  • Crash when rendering multiple hair systems with
    • GeomMayaHair plugins
  • with different time/geometry samples
  • SettingsLightCache parameter defaults
  • Installer button for
    • telemetry
  • "Help make V-Ray better" is missing
  • Installer will hang if you run the V-Ray installation while Houdini is open
  • Solaris: Crash with the p_ref AOV
  • Solaris: Cylinder light flickers on every frame
  • Solaris: V-Ray light
    • filter has
  • filters have stopped working
  • MaterialX: MtlX Mix VOP in "Surface Shader" mode has no effect
  • Instanced light transforms are ignored
  • Very small lights will flicker or completely disappear from final render
  • Solaris: when no lights are present in /stage, a default light with very high intensity is generated for husk with Houdini 20.0.506
  • Houdini 20: V-Ray Material builder is not shown in the menus by default
  • MtlX: UVtiling and UVoffset parameters of MtlX Tiled Image are not working with V-Ray
  • Volumes in Volumetric Geometry mode disappear when object level transform is
    • different from
  • modified
  • Hang on sequence render end on Linux with hython and volumes when passing a python file with a list of Houdini files to render
  • Hang when rendering volumes with Motion Blur starting Nov. 23, 2023
  • Solaris: Discrepancy between Production and Interactive when rendering volumes
  • Failing NodeJS scripts for the cloud builds from stable/houdini/6.1 branch
    • Aperture offset with data window
  • Aperture Offset with Data Window doesn't work
  • Render Region in Solaris is wrong in Houdini 20
    • environmentFog as Node::volume renders black/grey when domelight shadows are ON
  • Environment fog container renders empty when Dome Light shadows are enabled
  • Hair crash/hang when there are repeating vertices on the same hair strand
  • "Mix. Map" is always exported and used for V-Ray Mix texture, making the "Mix Amount" parameter redundant
  • Wrong export and rendering for UV Projection for Solaris and vanilla Houdini
  • Compiling geometry in V-Ray Standalone with specific scene takes high
    • amont
  • amount of time
  • Solaris/USD : MtlX Geometry Property Value has stopped working
  • Enabling the "W Coord" for Hair will cause the Z component of custom attributes to be
    • overriden
  • overridden when read with UserColor VOP
  • Solaris/USD :
    • user_attributes_bin not exported in latest nightlies
  • Custom primvars have stopped working with the latest nightly builds
  • Solaris/USD :
    • instances stopped working
  • Instanced geometry is not showing in Viewport render with the latest nightly build
  • Solaris/USD :
    • VolumeVrayToon rendered white even that correct color is written into USD
  • Wrong color for V-Ray Toon effect
  • Solaris/USD :
    • BRDFLight doubleSided and emitOnBackSid has no effectMaterialX: a lot of mtlx textures failed after latest mtlx changes
  • Light material's "Double-Sided" and "Emit on Back Side" options have no effect with the latest nightly build
  • Solaris/USD : expose
    • occludeLights
  • "Occlude Lights" parameter for
    • Rectandle
  • Rectangle, Disc and Sphere lights
  • Different displacement on Linux and Windows on a triangle fan with a degenerate triangle
    • macos
  • Mac OS:
    • Qt
  • QT errors when rendering with Husk
  • Ocean Spectra's pointmask doesn't work correctly when the grid is offset
  • Solaris: Artifacts in Noise Level AOV when rendering through Husk using the Bucket Sampler
  • Blank Velocity pass when Displacement is enabled
  • Solaris
    • -
  • : Motion Blur and Depth of Field are disabled by default for Husk
    • BRDFScanned
  • Scanned material: file parameter has wrong value
  • Disabling the Render Stats "Cast Shadows" option has no effect for self-shadowing when used in a Material Override shading network
  • MacOS: Immediate crash on render and/or VRScene export
  • Solaris/USD : attenuation
    • parms
  • parameters for
    • lightmesh
  • mesh light have wrong names
  • Ocean Spectra "cusp" output has varying intensity during animation rendering causing a flickering effect
  • Cosmos: textures of cosmos assets not rendered starting with builds from July 12
  • Cosmos: Missing textures  asset materials)
    • Solaris/USD: osd_subdiv_enable is enabled for cube mesh
  • Solaris/USD: wrong bitmap path when <frame04> in file name
  • Solaris/USD : attenuation control for lightmesh are not exposed
    • Export Camera Screen Window X/Y
  • Export Camera Screen Window X/Y parameter for each frame in the VRScene file
  • Inability to choose In / Out Color Space Parameters with aces-v1.3_ocio-v2.1 config
  • Ocean Spectra Wave Instancing - crash when "Radius" option is disabled
  • Ocean Spectra Wave Instancing artifacts when instance point radius overlaps for multiple points
  • Solaris
    • -
  • : Camera Aperture Offsets are ignored when rendering through Husk with V-Ray
  • Significant rendering slowdown with Ocean Spectra displacement between Core 6.0 and 6.1
  • The Sun Light Clouds "Seed" parameter should default to "0" instead of "1024"
  • The first render after disabling "Override Camera Resolution" on the Renderer ROP is cropped incorrectly
  • normal_uvwgen not exported for BRDFBump and TexNormalBump
    • Potential
  • Resolved unnecessary object cooking
  • Wrong alembic frame is loaded when using a looping sequence with Motion Blur enabled
  • Missing export for nodes inside Subnet VOPs when using a Parameter VOP to create the I/O sockets
  • Solaris: missing primvar export when Reference LOP "Make Instanceable" is enabled
  • Velocity AOV output is wrong when using a Digital Asset for the Render Elements parameter on the V-Ray Renderer ROP
  • Changes to Log Verbosity aren't being saved when changing it after ending IPR session
  • Support for the Alembic file format for V-Ray Fur
  • Render Elements are not exported separately when Write Deep Data is enabled
  • Animated Focus Distance parameter is not exported when Physical Camera is not present
  • Update V-Ray Fur distribution slider range
  • Alembic Velocity blur bounds are computed based on geometry time samples blur
  • Support for Displaced Geometry for V-Ray Fur
  • Solaris: IPR is not updated on shader parameters change
  • Wrong V-Ray Material SSS with Rayserver Instancer enabled
  • Solaris: V-Ray Dome Camera FOV is not correctly exported
  • Solaris: Materials always force create a preview shader
  • Solaris: Translate promoted parameters to the main shader primitive
  • SOP level material assignments are ignored for instanced Alembic primitives using Rayserver Instancer
  • LightMix: all materials are rendered as AOV when Light groups are Instanced Lights
  • V-Ray About Window is too big
  • Data conversion for socket type "color" to socket type "vector" fails
  • LPE: wrong contribution when light LPE tag is used
  • Solaris:
    • VRayToon
  • V-Ray Toon material is not working
  • EULA: installer does not save ".eulaAcceptedXXXXXX..." file , so second acceptance is required in Houdini
  • Solaris: VFB may be not shown for husk
  • Solaris: Missing geometries with
    • detectGeoCopies sometimes
  • instancing detection on
    • linux
  • Linux
  • Plastic Translucent Cosmos Materials
    • render incorrectlyChangeLog: updated changelog in 6.1 RC3 is wrong
  • renders incorrectly
  • Textures' parameters do not show up in Houdini 19.5.605 on OSX
  • Cloud: job is not uploaded to cloud
  • Add VFH_TAG_ROP_IPR for ROP parameters which are not handled by IPR
  • Solaris: lights attenuation is not taken into account
  • Wrong parameter label for Transform Matrix Rotation Order control
  • Bump2Glossiness: not accessible in UI
  • GeomPlane: real_world_scale is not exported
  • VRayDecal: wrong displacement amount
    • V-Ray Renderer
  • Wrong displacement amount exported for V-Ray Decal
  • V-Ray Renderer "Show Frame Buffer" button does not work until V-Ray is initialized through a render
  • Bump does not work when Attributes are added to the Triplanar
  • Solaris: Match multiple texture user tags
    • Invalid Plugin ID warning
  • Object Properties visibility settings have no effect for very small objects when Subdivision is applied
  • Cast Shadows option from V-Ray Object Properties does not work with static geometry when a material is assigned
  • Solaris: vector displacement options are not exported
  • Solaris:
    • Instanced volume - invisible prototypeSolaris:
  • export float AOVs for Denoiser "defocusAmount" and "noiseLevel"
  • Very slow forced materials translation
  • Mesh Light disappears on second frame of a sequence render in GUI rendering only
  • 3ds Max VRMat import of VRScene material coming from Houdini has no UV mapping
  • Solaris:
    • TexPatternID missing attribute registrationSolaris:
  • Duplicated frames when rendering specific USD with Husk
  • Velocity render element with motion blur disabled causes triplanar offset
  • Post Translate script effect is lost during IPR for Physical Camera, if changes to the camera parameters are made
  • Solaris: Render Region is sometimes not updated correctly until a camera move
  • Crash or Freeze when scrubbing the timeline while IPR is active
  • Environment Fog is missing from Light Select AOV if the fog is textured
  • GPU: Matte Shadows is wrong with Rect lights when Shadow Bias is very low
  • Slow export for VRScene files when batch rendering
  • Solaris: Performance issues on some configurations with certain Ocean setup
  • Solaris: V-Ray Sampler bumpNormals output is wrong for rayserver
  • Solaris:
    • TexSampler::
  • V-Ray Sampler random_by_polyShell does not work with rayserver instancer
  • Solaris:
    • velocity
  • Add support for Velocity AOV with disabled motion blur
  • Solaris:
    • Instanced objects
  • Cryptomatte for Material Name and Material Path modes has wrong manifest
  • Pack Scene command throws an error with latest builds
  • Popping alembic transform when motion blur is enabled with Duration of 1.0 and Interval Center of 0.0 when exporting single VRScene for entire sequence length
  • Solaris: Discrepancy in Mapping compared to
    • VMaya
  • V-Ray for Maya with a provided .USD file
  • Specific tiled EXR file returns black color when applied as texture due to only channel present in file being rgb.R
  • LPE light tags are not treated as events which causes wrong output for tagged lights
  • GI from all lights is included in Light Select when using LPEs with Light Cache instead of Brute Force
    • TexOceanSpectra
  • Ocean Spectra texture with motion-blur produces slightly different displacement than without motion-blur
  • Solaris:
    • parts of the geometry are missing when render via huskSolaris:
  • display flag change makes all the geometry
    • to become
  • go transparent
  • Wrong transforms in Hydra with specific USD scene
    • Installer: silent install is not working
  • IPR:
    • decal
  • Decal displacement is not handled by IPR
    • LightMtl
  • Light Material: texture as color multiplier produces different result than direct value
  • LightInstancer:
    • Instancing
  • Add support for instancing of textured lights
  • Primary visibility for geometry with overlapping parts cuts to alpha
  • V-Ray Enmesh: add support for alembic as source and reference objects
  • V-Ray Enmesh: add support for packed source and reference objects
  • Installer: prevent installing over running V-Ray if Houdini or Husk are running
  • Instanced objects transform is ignored when using Light material with Direct Illumination
    • t)
  • Solaris:
    • Displacment
  • Displacement VOP parameter "Use Global Settings" is ignored
    • ColorCorrectMaya
  • Color Correct VOP is not exported to .vrscene when GPU is chosen
    • Solaris: Displacement - override settings globally not working
  • High memory usage and geometry compile time when using Alembic with instanced shapes instead of vrmesh
  • MaterialX Color Ramp has wrong output when used with a Geometry Property Value sampling the UVs of the geometry
  • Solaris empty viewport when using Distributed Rendering
  • VRScene Material Import fails due to missing plugins:
    • MayaMultiplyDivide
  • MultiplyDivide and
    • TexPlusMinusAverage
  • PlusMinusAverage
  • Solaris: Changing the material connected to the output node of a V-Ray Material Builder VOP does not cause an update
  • VRayDirt's "Ignore Self Occlusion" does not work
  • Solaris - "Use" options for SettingsEnvironment from Dome Light for GI/Reflect/Refract/Secondary Matte are not used
  • Standalone: illumination masks exported from VFH not rendered in standalone
  • Incorrect motion-blurred displacement when expansion type is dynamic
  • Light Textures - <frame> token is exported in the file path instead of evaluating the expression
  • Deadline: ${FBATCH} is not evaluated correctly
  • Incorrect displacement for moving objects motion-blurred with geom_samples >= 3
  • Crowd: Smaller values of Random Clip Offset lead to wrong render results
  • Add OCIO to color space menu
  • Wrong results with latest V-Ray Next stable when Triplanar and ColorCorrection is used
  • Various issues with V-Ray windows on Linux
    • VFB - using an EXR as
  • VFB - using an EXR as Background image with "As Foreground" enabled causes the image to go black
  • VFB - do not tint RGB channels when displaying them isolated
  • IPR:
    • velocity blur is not updated when changing shutter speed of physical camera
  • Render Region resizes unproportionally when Camera Resolution is increased
    • IPR: Costant
  • Constant updates for volumes when changing shader params if Motion Blur On and rendering the last file in the VDB sequence
  • Solaris: custom volume used for smoke color is not rendered correctly
  • GeomParticleSystem plugin has the parameter "age_pp" twice
  • Square artifacts on using Adaptive
    • DomeLight
  • Dome Light on GPU
  • Crowd: Missing delay in animation when rendering the whole sequence compared to smaller frame ranges
    • Exception in Core if you use .vrscene Shader Overrides without typing Scene Name
  • Wrong applying and mapping of imported via .vrscene materials
  • Wrong mapping after Unpacking to Polygons a .vrscene
    • exported
  • export from 3dsMax
    • BakerTool: expose more controls in UI
  • Crowd: Discrepancy in animation result when rendering sequence and per frame in a specific scene - missing agents
  • Wrong material assignments when using animated switch node and uploading to Chaos Cloud
  • Solaris: options in Display Options > Renderer are not handled
    • Solaris: imposible to select anything in the viewport when V-Ray is set as viewport renderer
  • Solaris: float to color automatic conversion does not work
  • Missing texture animation export for particular scene on first export, if no GUI render is initiated
  • Solaris: crash when shader has wrong connection
  • Add native support of light labels in the LPE manager
  • Regression: In GPU mode materials are showing black when Merge SOP is used and Visibility is enabled
  • VFB rendering is making Houdini unresponsive on macOS Monterey
    • Ocean surface sometimes differs from
  • Ocean surface sometimes differs from the one in Houdini
  • Animated shader parameters are not exported for static meshes
  • Add support for RGBA Combine VOP for GPU
  • BitmapBuffer: <frame0*> support
  • Displacement via V-Ray TexTriPlanar results in holes in the geometry with specific scene
    • If you save the .hip file for the first time in the current session Use Project Path isn't enabling VFB History
  • Triangular artifacts on packed .abc when Bitmap Filtering type is not set to None or Nearest
  • Immediate crash when Denoiser and
    • PhxShaderSim material
  • Volume Grid shader with the Volumetric Z-Depth parameter set to 'Separate V-Ray Element' is added on volumes
  • Hang after render of packed geometry is finished and when exporting
    • .vrscene
  • .vrscene
  • Lighting discrepancy between CPU and GPU results when Direct Light is used with Intensity higher than 1
  • Enable Probabilistic Volumetrics by default
  • Empty About V-Ray window
  • GI isn't working in IPR in latest nightly builds
  • The intensity parameter of the Rect Light has no effect when using V-Ray GPU if the light is textured and "Directional" is set to 1.0
  • Lighting discrepancy between CPU and GPU results when LightDirect is used with Intensity higher than 1
  • Screen Window Size is doubled when Motion Blur is ON or V-Ray RenderChannelVelocity is used
  • Animatable img_dir and img_file shouldn't be exported by submitting .vrscene to Chaos Cloud
  • Unpacking to polygons disrespects UVs from .vrscene files exported from 3dsMax
  • Rendering alembics is much more slower than rendering unpacked geometry on powerful CPUs
  • Houdini 18.5.633 : Failed to start network server: [loadLib] -1: dlopen failed:
  • Installation issues with the latest nightly builds
  • Forced materials * uses the wrong material from the Material builder
  • Segmentation fault in Py3 Houdini builds only
  • Enable Probabilistic Volumetrics by default
  • Missing bitmap color difference between CPU and GPU
  • Expression including frames and subframes on alembics isn't working properly with V-Ray Core 5.10.20
  • Zero Infinity Depth is broken when Filtering is enabled
  • OCIO in 5.10.20 is up to 4x slower then in 5.00.xx
  • Light Lister Refresh button isn't working on python 3 builds
  • Point attributes on .abc aren't working on GPU without unpacking it
  • Rendering alembics is more than 3 times slower than rendering unpacked geometry on powerful CPUs
  • n IPR VFB2 isn't updating the V-Ray Log information to the end
  • Empty About V-Ray window
  • Alembic: Expose face sets as map channels
  • Update V-Ray top node to work with new V-Ray 5
  • Use Project Path checkbox isn't enabling History in VFB
  • invisible VFB if V-Ray is used first in Solaris
  • Velocity is not applied in GPU rendering
    • Solaris: creating a V-Ray Material Builder in material library lop throws an error
  • V-Ray Clipper does not work for Lights
  • Mesh lights are clipped by V-Ray clipper even when "Clip Lights Geometry"
    • is disabled
  • Solaris: creating a DomeLight causes a crash
  • LightMix: light type "Full"
  • Incorrect import of reMap value from a .vrscene file, exported from Maya
  • VFB gets smaller and smaller everytime render is started
  • UVs for textures generated by UVW Explicit are not used when the texture is used for Bump
    • LensEffects - effectresult element is missing in vfb and not saved in exr or as separate file
  • is disabled
  • Falloff Curve is faulty set to Constant interpolation when TexFalloff texture is unpacked from an imported .
    • vrsene
  • vrscene file
  • LightMesh - does not handle path to sop node
  • Unpacking to polygons provokes error and crash with a specific .vrscene
  • Start V-Ray in Server Mode issue on OS X
  • Linux:  VFB2- color selector for lights in LightMix is not opened/visible
    • Starting a render disables the
  • VFB2
    • history and clears the history folder pathVFB2
  • resizes by itself on render if the layer panel is collapsed
  • VFB constantly loses focus on OSX and gets hidden behind the main Houdini window
  • Disable light materials option of the V-Ray Renderer has stopped working
  • Ignored ROP parameters when changing camera to animated one
  • Failed to create node for plugin TexBezierCurveColor when unpacking a vrscene from 3ds Max
  • Attributes are not correctly interpolated for geometry with OpenSubdiv applied
  • Objects imported from vrscenes disappear randomly when rendering animation on the GPU
  • Attributes are not correctly interpolated for geometry with OpenSubdiv applied
  • stoping render with ESC when VFB is closed does not actualy stops the render
  • Errors when unpacking vrscene to polygons
  • Hair Properties geom_splines toggle breaks material assignments with Multi Material for GeomMayaHair
    • environment path with expression isn't evaluated correctly
  • V-Ray ROP inside an HDA is not handling referenced parm when HDA is locked
  • A big difference between material with and without dispersion
  • Crash when sent to cloud without camera
  • Light Instancer with 100k lights failed to render on Chaos Cloud
  • Textures assigned through image file path tokens referencing a string attribute are ignored when rendering on the Chaos Cloud
  • Hang or crash when assigning a COP network as texture during IPR on OSX
    • Connecting displacement during IPR is not updated on MAC
  • VRayClipper - result is not updated in IPR
  • VRayClipper - object node transformations are not handled
  • clicking on a parameter in material assigned to a hairgen object causes object to disapear in viewport
  • Alembic with baked shop_materialpath loses its material
    • when subdivided via GeomMeshFile
  • assignment when subdivision is applied
  • Baked maps for mesh with normals tputs black elements
  • UV Channel Named exports UVWGenProjection when used directly in ImageFile
  • Wrong results for Normals and BumpNormals AOVs
    • when rendering with GPUWrong message printed in console when a bitmap is not found in a network location
  • when rendering with GPU
  • Environment Fog is missing in Light Select element when Deep Output is enabled
  • Stop button on the VFB does not kill network location requests for files or textures with network paths
  • Preview of .vrscene with many proxies is very slow - add proxy preview type and cache data in preview
  • camera choosen in render view is not taken into account, ROPs camera used instead
  • IPR: per-primitive displacement changes primitives which affects, when parameters are changed
  • IPR: object imported into subnet disappear when material parameter is changed
  • Textures provided to
    • TexOSL
  • OSL Texture as input are not evaluated
    • vrscene
  • VRScene viewport preview is broken on Windows
  • VFB gets smaller and smaller every time it shows
    • Differences
  • Difference in refractive objects rendering between CPU
    • renders differently than CPUIPR/CUDA with high MaxDepth in refractions
  • , IPR and CUDA rendering.
  • Geometry node's Render>Geometry>Point scale parameter is not considered when rendering packed alembics
  • The position of
    • an animated camera is not updated when changing the timeline frame during an IPR session
  • IMG/COP is not updated in IPR
    • IPR - volume is rescaled when some of the VolumeGrid parameters are changed
  • an animated camera is not updated when changing the timeline frame during an IPR session
  • Crash in a specific scene with adaptive lights
  • Crash when rendering particular vrscene with Standalone on Linux
    • =
  • GPU: BRDFHair inside MtlMutli is not rendered
  • No image output if the scene is not saved to a file too.
  • Forced hidden objects are not rendered
  • VFB disappears when deselecting the Houdini window on Linux
  • SettingsLightLinker include_exclude_light_flags are flipped for PhxShaderSim when rendering with V-Ray GPU
  • IPR not updating copied instances
  • Switch with expression is not updated in IPR
  • Channel Reference in
    • redered
  • rendered image name is not evaluated correctly
    • ang
  • Hang when changing resolution in VFB IPR
  • Mesh and Hair merged in the same object breaks material
    • assignmentsCreating
  • assignments
  • Creating lights and
    • geos
  • geometry during IPR leads to some light include/exclude issues
  • IPR not handling
    • geo
  • object level transformations with expression
  • Cryptomatte by attribute is not working on crowds
    • Deleting a light is not captured by
  • IPR
    • IPR
  • - first created light is not disabling the default one
    • Effect Environment in Aerial Perspective effect produce very different result compared to maya
  • IPR is not always updating regular mesh copied to simulated points
  • Crash to desktop when mesh geo is switched to a packed one
    • IPR breaks the rbdfracture SOP
  • IPR not handling SOP transforms
  • Houdini Digital Asset crash with "V-Ray Environment" or "V-Ray Render Elements"
  • Crash in VFB when switching between images in the History panel
  • Freeze with specific user scene by trying to select nodes on first IPR run
  • Crash when attempting to import a Cosmos asset
  • Crash in standalone sequence render of
    • volumes from a single VRSceneCrash on render start with V-Ray 6 nightly builds from Dec. 01, 2023
  • volumes from a single VRScene
  • Crash when changing MaterialX Image VOP's "Signature" parameter back and forth
  • Crash on export when particles with velocity are present in the scene
    • IPR:
  • Crash
    • changing framesV-Ray Deadline: crash
  • when
    • wrong parameters are setCrash when
  • rendering with instanced lights and using LPEs
  • Crash error on Linux with V-Ray 6.1
  • GeomInstancer: Crash with LPE in particular case
  • Linux: Immediate crash on render and/or VRScene export
  • IPR hang if Render Node license is not present
    • Houdini 19.5.605 Crashes with Parameter Menu opened with a hot key on OSX
  • Houdini Crashes when Cosmos Assets are imported
  • IPR: crash on exit after an IPR session
  • Geometry compilation fails for specific Alembic file with Displacement assigned to it
  • Crash on exiting Stage/Houdini when a render is initiated in both Solaris and Regular
  • Hang
    • when attempting to import a specific VRScene containing instanced alembics
  • when attempting to import a specific VRScene containing instanced alembics
  • OSL: Crash when loading a particular OSL
  • Crash subdividing invalid topology
  • Core: Tessellated hair IPR update crash
  • Solaris: Tessellated hair IPR update crash
  • Crash when starting IPR before a production render with specific scene
    • OSL: instant crash when try to load particular osl
  • file
  • Crash in IPR when modifying the render region while scene changes are synced
  • Solaris: crash when
    • change renderFlag from materialX to vray material library lop
  • VRayProxy: Hang after second Render to Disk
  • crash when disbale physical camera settings during IPR in "Render View" or viewport
  • crash if start a render after an ipr session
    • Karma hangs on sequence renders when V-Ray in installed
  • changing the render flag from MaterialX to a V-Rray Material Library LOP
  • Setting "Screen Window Size" to negative during IPR crashes
    • VRay
  • V-Ray & Houdini
  • Solaris:
    • crash
  • Crash when
    • enable
  • enabling than
    • disable
  • disabling "instancable
    • parm
  • " parameter of
    • configureprimitive
  • Configure Primitive LOP
  • NUMA Standalone render fails in scene with a lot of Alembic files that have a large number of attributes
  • Crash on last alembic frame export when motion
    • blur is enabled and using per-frame alembic files
  • blur is enabled and using per-frame alembic files
  • Immediate crash when importing big .aur files in V-Ray Volume Grid Cache
  • OSL: crash when redraw UI after render
  • Crash when Reflection Glossiness is present before Light Mix element in AOVs channels container
  • Crash with
    • LightInstancer
  • Light Instancer and 250K lights
  • In a newly created blank scene using certain python code provokes a crash
  • Solaris: Immediate GPU crash after using Instancer
  • Crash when importing materials from .vrscene
  • Exception in Core when using frag file in a
    • TexGLSL
  • GLSL Texture as Extra Texture AOV
  • Crash after rendering with IPR after production render with
    • LightMix
  • Light Mix in the
    • sceneCrash when trying to render one or both pyro simulations in a particular
  • scene
  • Alembic: Crash with polygon with 1 vertex
  • GPU crash with a specific setup including V-Ray
    • UVWGenExplicit
  • UVW Explicit and
    • BerconNoise
  • Bercon Noise
  • Crash or Hang when rendering a sequence with Phoenix Foam Shader assigned to particles
  • Crash
    • after closing Houdini on Linux and OSX
  • V-Ray 5: Houdini will crash on OSX and Linux when using File -> Exit after rendering with V-Ray
    • Crash
  • when enabling matte/shadow object properties options while GPU IPR is running
  • V-Ray 5: IPR crash when frame is changed
  • Crash when start IPR from VFB and VRay ROP is in HDA
    • Crash when IPR is stoped on Mac OS
  • Crash to Desktop if Volume Grid Shader is copied during an IPR session
  • Animated SettingsOutput "img_file" and "img_dir" can't be overridden with -parameterOverride
  • Export the smoke volume to PhxShaderCache even if rendering of smoke is disabled to ensure the transform is inherited from the smoke field
  • Solaris: displacement is not updated for changes to the input shading graph


Build 6.10.09

Official Release, Update 1

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