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Table of Contents

V-Ray Next, Update 3.1

Official Release

Date - Apr 09, 2020

Download - Build 4.30.02

New features

V-Ray

  • Support for 3ds Max 2021
  • Support for "Bake to Texture" in 3ds Max 2021

 

Modified features

V-Ray

  • Improve performance scaling with 2nd gen Epyc dual 64-core setups 128 and more threads
  • Look for the XML file with the view graph for viewport IPR relative to the vrenderNNNN.dlr file location

VRayScene

  • Matte and Visibility control;

VRayOSL

  • Add the ability to connect an OSL triple float output to a OSL single float input

VFB

  • Add MaxScript control for Test resolution through vfbcontrol

.vrscene exporter

  • Update SettingsPresenZ export

 

Bug fixes

V-Ray

  • 3ds Max frame buffer has the same resolution as VFB regardless of the "Get resolution from Max option"
  • Any click on the Light Cache preset dropdown changes the mode
  • Crash after baking to texture in 3ds Max 2021
  • EXR metadata in the VRayOptionRE is not saved with deep images
  • Fume FX render elements are missing in V-Ray renders
  • Random crash when rendering scene with VRayFur
  • Tiled EXR textures cause specific scene to render considerably slower compared to 4.1
  • VRayRenderID by node handle is not saved correctly in deep EXR output
  • Wrong 3ds Max Render output JPEG image with Test resolution

V-Ray, V-Ray GPU

  • Incorrect internal reflection in glass when glossy Fresnel is enabled

V-Ray IPR

  • Deleting/updating VRayInstancer or assigned materials won't cleanup material-clones-bindings and would lead to crash

V-Ray GPU/V-Ray Cloud

  • Anima AXYZ no animation when exported to vrscene
  • BerconMapping doesn't render properly when exported to Standalone
  • Different result for BerconNoise in Standalone with some combinations of Noise Function and Fractal
  • Tile UV mapping of the Bercon tile is not rendered properly
  • VRayMtlID render element renders black

V-Ray GPU

  • Bucket rendering produces black output when AA Filter size drops below 1.41
  • Crash when rendering VRMesh files with more than 16 mapping channels
  • Crash with VRayLightMtl with Direct illumination enabled, applied to tySpline
  • Crash with VRayEnvironmentFog when switching from bucket to IPR between consecutive renderings
  • Rendering on GPU with NVLink spanning more than 2 cards results in a crash
  • VRayMtl is missing glossy reflections on the back side if "Reflect on back side" is enabled

V-Ray Standalone

  • -skipExistingFrames breaks file output to current directory
  • -skipExistingFrames creates extra files in animation

VRayEnvironmentFog

  • Artifacts with custom geometry fog gizmo in a specific scene
  • Can not render with VRayNoiseTex used as density map
  • Renders significantly slower with Scatter GI in V-Ray Next

VRayFastSSS2

  • Material does not compose back to beauty properly
  • VRayLightSelect in full mode does not match beauty pass when diffuse amount is above 0

VRayGLSL

  • Float to int vector casts in shaders lead to crashes
  • Incorrect matrix multiplication results
  • Missing return statements in non-void GLSL functions lead to crashes

VRayMtl

  • 100% white Opacity Map affects material Reflections

VRayOSL

  • Crash in material editor preview rendering after editing OSL texture from MaxScript
  • Crash with Bitmap texture vrayattached to VRayOSLTex while exporting for V-Ray GPU

VRayScene

  • Compiling geometry time is increasing with each frame in animation rendering with V-Ray Standalone

VRayVolumeGrid

  • Volumetric rendering slow-down with Volume Light Cache enabled with V-Ray memtracker

 

V-Ray Next, Update 3.1

Official Release

Date - Dec 19, 2019

Download - Build 4.30.01

Modified features

V-Ray

  • Print a warning when having memory frame buffer disabled and no output directory set

.vrscene exporter

  • Export Check for missing assets option

Installer

  • Update Chaos License Server to 5.3.0 if needed

 

Bug fixes

V-Ray

  • Artifacts with the Adaptive dome and trace sets
  • Bitmaps are not loaded for VRayInstancer in IPR if its source object is hidden
  • Thousands of warnings for invalid geometric normal flood on geometry shaded with hair material

V-Ray GPU

  • Bitmaps are uploaded on every IPR update
  • Crash in IPR with On-demand mip-mapping mode when a Bitmap is linked to VRayMtl's Self-illumination
  • Crash with RTX in IPR mode when VRayFur source geometry is deleted
  • CUDA error 700 with UDIM textures for the last tiles
  • High CPU usage when rendering with RTX on
  • Incorrect VRaySpecular render element with VRayHairNextMtl (regression since 4.30.00)
  • IFL textures do not load properly in IPR when OptiX on demand textures are used
  • Incorrect normals calculation with VRayMtl's Displacement
  • Show "Camera Map Per Pixel" map as compatible
  • Square artifacts in specular element in bucket mode with specific scene
  • Square artifacts with adaptive dome light
  • V-Ray Light Lister causes IPR to render black in specific scene with Skylight

V-Ray GPU/V-Ray Cloud

  • VRayALSurfaceMtl General and Diffuse bump maps render the illuminated parts darker

VFB

  • Main window closes after IPR stop with 3ds Max 2016 and older (since 4.30.00)

VRayHDRI

  • The "Filter mult" parameter has no effect on bump maps

VRayOrnatrixMod

  • Crash with motion blur and dynamic tessellation

VRayALSurfaceMtl

  • No Caustics received when sss mix is set to 1
  • Artifacts with Adaptive lights and Caustics

 

V-Ray Next, Update 3

Official Release

Date - Nov 19, 2019

Download - Build 4.30.00

New features

V-Ray

  • Add a renderer parameter "options_useColorSpaceForBitmaps" that tells all VRayHDRI maps to determine the color space from the file name

V-Ray GPU

  • Add support for RT cores of NVIDIA RTX cards
  • Add support for disabled "Memory frame buffer"
  • Support for Deep EXR output

V-Ray Cloud

  • Add the Chaos Cloud client app installer to the V-Ray for 3ds Max installer

VRayHDRI

  • Add a sharp isotropic texture filtering method
  • Allow UVW coordinates to be controlled through another map
  • Add a "Filter mult" parameter to control the blur separately when mapping coordinates are taken from another texture

VRayOSL

  • Add the ability for normal texture maps to be a part of a shading graph in OSL for 3ds Max

VRayVolumeGrid

  • Added support for Volumetric and Mesh mode rendering of the new TexUVW Phoenix FD channel

vrscene exporter

  • Export material IDs of materials used in VRayBlendMtl

 

Modified features

VRayLight

  • Improved sampling of directional lights

V-Ray

  • Adaptive dome VRayLight support for Light Cache from file
  • Add "Animation" and "Still" presets for the Light cache
  • Change the default values of the Progressive image sampler: Render time - 0; Noise threshold - 0.01
  • Multi-threaded execution of OpenEXR compression and decompression to improve performance
  • Update Embree to v3.2.0
  • Update OpenEXR to v2.3.0
  • Render Raytrace material as black to mitigate problems with it

V-Ray IPR

  • Add GI contribution to the Isolate Selected objects in Debug Shading

V-Ray GPU

  • Implement pre-multiplied Light cache that enables optimization of shading calculations on some scenes
  • Implement debug shading for selected sub-materials
  • Improved user-defined shaders (GLSL, MDL etc.) compilation
  • Optimize mesh transfers to multiple devices

V-Ray Cloud/V-Ray Standalone

  • Optimize rendering of Multi/Sub-Object material

VRayALSurfaceMtl

  • Implement bump shadowing
  • SSS is not computed for materials seen through glossy refraction

VRayStochasticFlakesMtl

  • Stochastic flakes are not visible through glossy refraction

VRayCompTex

  • Add "Mix amount" option to control texmap mix ratios

VRayDiffuseFilter/VRayReflectionFilter/VRayRefractionFilter

  • Remove the "color mapping" option

VRayExtraTex

  • Add an option to disable lossy DWAA/DWAB compression for a render element

VRayMtl

  • Rearrange the texmap slots

VRayOSL

  • Add tooltips on texmap buttons, spinners and combo boxes for shader tweaks
  • Show shader description and help URL button if either is present

VRayProxy

  • Improve errors logging

VRaySamplerInfo

  • The render element should always be saved with lossless compression

VRayVolumeGrid

  • Speed up loading of VDB caches by reading their min-max channel ranges from metadata instead of calculating them
  • Equalize UVW coordinates of Phoenix Isosurfaces with those of the corresponding Meshes

VFB

  • Add "Save in image" option to OCIO color corrections, to save the corrected image
  • Add sliders for Lens effects' "Intensity" and "Threshold" parameters
  • Enable setting of the render region via MAXScript outside the default resolution before rendering
  • Read the saved window position only for the initial render and use the last valid position afterwards
  • UI improvements for the VFB Lens Effects panel

V-Ray scene converter

  • Convert Raytrace maps to VRayColor

Bug fixes

V-Ray

  • Artifacts and flickering with "Hash map" Light cache in certain situations
  • Artifacts when using Adaptive dome light and VRayFur with VRayMtl on it
  • Artifacts with Adaptive dome and VRayToon
  • Crash in scenes with meshes with Point Cache modifier that are used in Forest Pro in animated mode
  • Bright spots in VRayGlobalIllumination render element with Falloff map in Shadow/Light mode
  • Compositing results don't match with matte reflections if "Consistent lighting elements" is enabled
  • Lighting elements are not propagated through refractions with "Consistent lighting elements" enabled
  • Matte objects are present in the alpha channel when rendered through refractive objects
  • Memory tracking "GI" tag replaces "Misc." when rendering with Global illumination
  • Physical Material with black reflections has dark outlines
  • The UI menus are active during rendering in 3ds Max 2020
  • Unhandled exception when having a PF Source with Mapping Object operator
  • Using camera clipping planes makes the dome light invisible
  • VRayEdgesTex always draws hidden edges when used as displacement texture
  • Wrong 3ds Max Render output JPEG image with Test resolution

V-Ray/V-Ray GPU

  • Artifacts with Adaptive dome light with "affect reflections" disabled

VRayProxy

  • Wrong defocusAmount denoise element on proxy objects leading to artifacts when denoising
  • Face/Material IDs are offset with one when loading Alembic files

VFB

  • Wrong resolution when rendering a sequence with Test resolution and DR
  • Certain integer render elements are not displayed when loading EXR files
  • Crash when changing OCIO settings (View transform, Input colorspace) during Viewport IPR
  • History details comment is drawn over the previous one if changed via MAXScript
  • The scrollbar in the Color Corrections window hides some of the text
  • UI is not responsive with ICC color correction during IPR with V-Ray GPU

V-Ray IPR

  • Crash when adding materials with VRayHDRI to a material library
  • Crash while scrubbing the timeline with VRayLightMtl in the scene
  • Crash with VRayOSL shading graph and VRayLightMtl with Direct illumination on
  • Crash with VRaySky texmap and Hair and Fur
  • Debug Shading's Isolate Selected mode doesn't work correctly for objects with opacity
  • Loops on building Light cache in a scene with VRayDistanceTex and Forest Pro
  • Starting production rendering during Viewport IPR causes endless Light cache phase
  • Unhandled exception with a Free Light and VRayLightMtl with Direct Illumination

V-Ray GPU

  • Artifacts when using Metalness with Glossy Fresnel
  • Artifacts with Adaptive dome when objects are excluded from shadow casting in the light
  • Artifacts with VRayALSurfaceMtl and Adaptive lights v2
  • Bounding Box artifacts when rendering a VRayVolumeGrid
  • Crash with hidden faces on subdivided geometry
  • Crash during render with volumetrics
  • Crash on stop during Light cache phase
  • Crash when cancelling the render for scene with lights include/exclude lists
  • Crash when using VRayClipper on an object with material containing VRayCurvature map
  • defocusAmount denoise element is not generated with a standard cameras
  • Gaussian image filter doesn't match the CPU one
  • Hidden edges of VRayEdgesTex is always on with VRayProxy
  • Hidden faces are being rendered during Light cache preview, creating wrong lighting
  • IPR with multiple GPUs produces CUDA_ERROR_INVALID_HANDLE on stop
  • Light cache doesn't work with DOF and perspective camera
  • Nested refractive volumes are rendered wrong
  • Noisier results with Adaptive lights compared to Light tree
  • NVLink GPU allocations only done for Dynamic geometry
  • Optimized distance estimation for geometry heavy scenes
  • Random crash with tiled bitmaps
  • Refractions are rendered darker since V-Ray Next, Update 2
  • Unhandled exception when baking texture of a mesh with degenerate UVs
  • VRayVolumeGrids are not rendered correctly in VRayNormals render element

V-Ray Cloud/V-Ray Standalone

  • Extremely slow light cache for scenes with displacement texmaps
  • Matte reflections are not rendered

VRayALSurfaceMtl

  • Artifacts around geometries intersections and SSS density scale close to 0

VRayClipper

  • Holes in the clipped geometry when rendering with motion blur and the clipping mesh has animated skin modifier

VRayDisplacementMod

  • Cracks with 3D Displacement and Keep continuity
  • Memory leak with 2D displacement
  • Tangent Vector displacement mode clamps the texture's X and Y between 0 and 1 regardless of the Texmap min/max values

VRayGLSL

  • Function vr_textureSize returns (0,0) always

VRayHairFarmMod

  • Duplicated IDs in VRayCryptomatte element with more than one Hair Generate modifier

VRayHairNextMtl

  • Artifacts in raw render elements with Consistent lighting elements
  • Diffuse component should go in it's respective render elements
  • Shade data is stored in VRayGlobalIllumination when Consistent lighting elements is on

VRayLight

  • Different specular reflections when rendering directional disc light with V-Ray Cloud/V-Ray Standalone

VRayOCIO

  • Error in V-Ray messages when creating new instance
  • No scroll bar in the map color space selector

VRayOrnatrixMod

  • Some VRayOrnatrixMod hairs have wrong velocity data with "dynamic tessellation"

VRayOSL

  • Broken OSO bytecode export of a shader via MAXScript
  • Bucket artifacts with user attributes
  • Crash in microfacet("ggx") when roughness is greater than 0.0
  • Crash when detach and reattach a sub-texmaps
  • Custom shaders cannot access user attributes with V-Ray Cloud/V-Ray Standalone
  • OSL string mapper widgets should be displayed as dropdown choices
  • Tooltips for combo boxes and extra texture buttons can become too wide
  • Tweak's min/max metadata inhibits changing parameter values
  • Wrong channel index read from the UV attribute

VRayOverrideMtl

  • Vignetting along concave edges with Light cache and many lights

VRayPluginNode

  • Crash when rendering with TexSurfaceLuminance

VRayScannedMtl

  • Crash when loading a scene while the compact material editor open
  • Difference in the VRayBumpNormals render element when rendering with VRayBumpMtl

VRaySwitchMtl

  • Crash with undefined sub-material when displacement map is used in another sub-material

VRayToonMtl

  • Toon effect missing on non-excluded geometry when the excluded object is hidden

VRayVolumeGrid

  • Displacement scale in Isosurface mode is not the same as in Mesh mode
  • Empty grids filled with density using the opacity curve render with different density in V-Ray Cloud/V-Ray Standalone
  • Mesh mode with a 2D scalar Displacement map renders with artifacts

VRayZDepth

  • Refractive objects are white regardless of the Affect channels value with V-Ray GPU

V-Ray Toolbar

  • MAXScript error in vrutils.ms when trying to create a physical camera from a camera view without target

.vrscene exporter

  • Animated FOV on standard cameras is not exported correctly
  • Crash when exporting Forest Pro multiple instances with the same Surface with Boundary checking set to Edge
  • Disabled VRayVolumeGrids in Volumetric mode are still exported
  • Forest Pro object with VRayDisplacementMod is not exported to .vrscene file
  • Negative displacement through textures is not exported properly
  • OSL texmaps are flipped with V-Ray Cloud/V-Ray Standalone
  • Random velocity data is exported for Forest Pro instances when camera is specified
  • Some VRayMDL asset paths are not exported
  • Support for animated visibility range of VRayAerialPerspective
  • The VRayVolumeGrid's "lightsmultself", "gridreduct" and "mbgrid" parameters are not exported to *.vrscene
  • VFB Color Corrections are exported even when disabled
  • Wrong UVWs in scenes with OSL

Installer

  • VRAY4_FOR_3DSMAXXXXX_PLUGINS environment variable should be modified instead of overridden