V-Ray GPU

• Implemented new rendering architecture resulting in better performance

V-Ray Proxy

• Add support for Alembic 1.7 layers

VRayLightingAnalysis

• Implement VRayLightingAnalysis render element

VRayVolumeGrid

• Direct loading of sparse VDB caches without resampling

• Support for relative cache paths in .vrscene files and the -remapPath option in V-Ray Standalone

.vrscene exporter

• Initial support for the native OSLMap in 3ds Max 2019

V-Ray

• Support for the mesh vertex velocity internal interface in 3ds Max 2019

V-Ray

• Allow V-Ray to run with up to 1024 threads (up from 256)

• Hide the VRayIlluminance render element, the new VRayLightingAnalysis render element should be used instead

• Move the IPR options rollout to the V-Ray tab in the Render Setup and add a Start IPR button

• Remove from the V-Ray log the message about failing to load a "default" preset

• Reduce occurrence of "Invalid geometric normal" messages

• Show a dialog to confirm file overwriting with "Separate Render Channels"

V-Ray GPU

• Add support for auto exposure and white balance when using the light cache

• Ignore light portals (use adaptive dome light instead)

• IPR reacts to objects and lights movement immediately instead of waiting for mouse button release

• Implemented motion blur support for GPU volumetrics

VRayDenoiser/vdenoise.exe

• Ability to denoise four-component RGBA render elements

• Enable denoising for the VRayAlpha render element

VRayFastSSS2

• Remove from UI the prepass and object-based multiple scattering options

VRayFur

• Add "Ignore scale" option for hairs width according to scale

• Add "Lock to surface" option to keep the hair distribution to a specified frame

VRayHairMtl2

• Add tint control for the primary, secondary and transmission components

VRayLightMeter

• Improve the calculation speed and quality

VRayOSL

• Update OSL to 1.8

VRayPhysicalCamera

• Disable vignetting by default

• Reset to default values for the parameters when right-clicking on spinners

VRayScatterVolumeMtl

• Improved sampling

VRayVolumeGrid

• Allow grid Channel Smoothing to be applied over channels with any value range

• Apply the Smoothing Random Variation over all voxels regardless of the Smooth Threshold

• Improve the loading speed of VDB files

• Optimize loading of caches containing Velocity channel

• Optimize the Preview Auto Range algorithm

• Speed up velocity sampling during volumetric motion blur

VFB

• Using '#' in the name of separate render channels output file is now expanded to frame number

V-Ray scene converter

• Support for some newly added Corona native materials and textures (CoronaHairMtl, CoronaSkinMtl, CoronaBitmap, CoronaDistance, CoronaRoundEdges, CoronaTriplanar)

ply2vrmesh.exe

• Print more extensive bounding box information

Bug Fixes

V-Ray

• Fix an issue with the progressive image sampler when rendering extremely bright scene

• Arch&Design material inside a VRay2SidedMtl material renders black

• Build of Embree acceleration structures cannot be canceled

• Crash in IPR with VRayMultiSubTex plugged in VRay2SidedMtl on VRayInstancer instanced objects

• Crash with MultiTexture on VRayLight

• Geometry with cloth simulator modifier causes crashes in some scenes

• Incorrect render elements in the deep output when using "By Render ID and Z-depth" merge mode

• Noisy render with adaptive dome light in specific scene

• Some files are inappropriately installed to 3ds Max folder in standalone render server installation

• The browse window for override material in Global switches opens twice

• The refraction color at distance combination of the Arch&Design material doesn't render

• VRayProxy disappears when motion blur "Geometry samples" is set to 1

V-Ray/V-Ray GPU

• Non-uniform scaled rectangle light emits in the wrong direction

V-Ray IPR

• Crash when modifying Multi/Sub-Object sub material on VRayInstancer instanced objects

• Crash with VRayDisplacementMod with texture map

• Not keeping the aspect ratio when Fit to VFB is enabled

V-Ray GPU

• Adaptive dome light seems to render darker and slower in specific scene

• Changing the render resolution during GPU IPR does not work

• Crash during rendering with cloth and empty VRayDisplacementMod modifiers and motion blur

• Crash with instanced HairFarm object during IPR

• Difference in exposure between the first frame and the others with custom camera aperture

• Do not export disabled VRayClippers

• Exception with Hair&Fur modifier

• Fog color is ignored when "affect shadows" option of VRayEnvironmentFog is off

• High values for water level in VRayDisplacement cause crash

• Incorrect render of VRayScannedMtl with VRayReflection render element

• Incorrect values set for "Rays per pixel" and "Rays bundle size" parameters when spinner is right-clicked

• Incorrect VRayAtmosphere render element when fog emission color is different than default black color

• Missing OpenVR/Oculus VR preview modes

• On-demand mip-mapped textures render with lower resolution

• Render mask texture button is not working properly with drag and drop

• VRayScannedMtl materials with height map render incorrect

• Wrong reflection glossiness with MultiTexture

V-Ray GPU CUDA

• Crash when lights are turned off and back on during IPR

VRayDistanceTex

• The texture for the distance parameter of VRayDistanceTex overrides the distance value

VRayEnvironmentFog

• Crash with animation in specific scene

VRayHairMtl2

• Hair renders darker when the light cache is enabled

VRayInstancer

• Crash with Krakatoa particles

VRayLight

• Negatively scaled disc lights emit in both directions with Double-sided disabled

VRayLightMeter

• Wrong results for very small grid sizes

VRayMDL

• Blurred textures with scaled UV coordinates

• Rendering very bright with reduced ray depth

VRayMtlSelect

• Render element is not correct when rendering deep images

VRayOSL

• Maps unlink from OSL nodes when scene and its local assets are moved together to another location

VRayPhysicalCamera

• Lens file distortion is not working

VRayPluginNode

• Crash when changing Plugin type while rendering with V-Ray GPU

VRayProxy

• Modifying the Alembic mesh Start path should update the proxy preview cache

VRayScannedMtl

• Disable the UI parameters that are not working in V-Ray GPU when set as current renderer

VRayVolumeGrid

• Alpha Channel and Smoke Opacity aren't correct when rendering volumetric with V-Ray GPU

• Can't load OpenVDB files whose "file_voxel_count" metadata is 0, though they contain active voxels

• Fire Opacity multiplier is not taken into account in V-Ray GPU

• Light cache computation with enabled Probabilistic Volumetrics is slower compared to V-Ray CPU

• Minimum Visible Opacity does not work with V-Ray GPU

• Rendering a sequence with several VRayVolumeGrid instances with V-Ray GPU shows only one of them after the first frame

• Rendering fire in Own Opacity mode with Smoke Color Disabled on V-Ray GPU does not match V-Ray's

• Volumes that contain the render camera aren't visible with V-Ray GPU

• Wrong velocity direction and motion blur with OpenVDB files from FumeFX

• Wrong velocity scale when importing OpenVDB files from Maya Fluids

VFB

• Bucket rendering with extreme downsizing does not fill the whole image in the buffer

• Crash when loading scene from VFB History

• Qt VFB (3ds Max 2018 and up) has issue with numeric characters

ply2vrmesh.exe

• .ply files form ZBrush do not convert correctly

.vrscene exporter

• Default values for settings are now exported if neither V-Ray nor V-Ray GPU is selected as the current renderer

• The correct V-Ray Standalone version is now selected for "Export and render"

• The opacity mode of VRayMtl is now exported