Modified features

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New VFB

• Max Script access for OCIO settings with vfbcontrol;

V-Ray scene converter

• Converting CoronaBumpConverter to VRayColor2Bump;

Bug fixes

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V-Ray

• An error is printed when rendering with disabled memory frame buffer option;

• Auto white balance renders differently when transferred to camera;

• Missing plugin error when loading scene saved with hotfix 1;

• More noise occurs with Blue noise sampling enabled for grid volumes;

• Crash with a specific scene upon opening in 3ds Max 2021, 2020, 2019;

V-Ray GPU

• Matte objects' primary Visibility is not working correctly;

• The VRayEnvironmentFog parameters (which are last on the list) are applied to all fogs;

V-Ray Dirt

• Ambient + inner occlusion mode results are darker than they should be;

New VFB

• An error is printed when rendering with disabled memory frame buffer option;

• Avoid IPR restart on zoom, resize and side panels collapse;

• Crash when opening old scene with empty New VFB OCIO settings;

• Window position can not be saved on a non-primary monitor;

• Window position is offset on rendering after every scene reset when the persistent settings are saved with collapsed history menu.

New features

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VRayBackToBeauty

• Add render element that will expand to all beauty render channels;

Modified features

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V-Ray

• Simplify the Image sampler options;

VRayBitmap

• View image button should work for .tx bitmaps;

VRayDistanceTex

• Add an option to not compute for the viewports;

VRayMtl

• Raise the default Refraction and Reflection Max depth to 8;

New VFB

• Add keyboard shortcut for Lock Pixel Coordinates ("L");

• Support for the color corrections and VRayDenoiser in V-Ray Viewport IPR;

• Zoom key combinations support;

Installer

• Progress of V-Ray Material Library download should display downloaded/total size in the installer;

Bug fixes

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V-Ray

• VRayDisplacementMod's Subdivision not working far from scene origin;

V-Ray GPU

• Activating 3ds Max menus during IPR stops image updates in the VFB;

• Memory leak with VRayDistanceTex;

V-Ray GPU IPR

• Orthographic projection is not rendered properly with RTX;

VRayClipper

• Wrong objects in the exclude list when merged in scene;

VRayLight

• NaN pixels occur with textured adaptive dome light;

VRayToonMtl

• Overlapping MaxScript names of gradient parameters;

VRayTriplanarTex

• Incorrect motion blur;

VRayVolumeGrid

• More noise with Blue Noise Sampling enabled for grid volumes;

New VFB

• Artifacts with Filmic tonemap;

• Colorful halo with Lens Effects and positive Lightness values in the Hue/Saturation color correction;

• Crash on consecutive V-Ray GPU IPR restarts when selecting different layers;

• Crash on scene open when the scene was saved with legacy VFB LUT color correction;

• Different convert to composite result if the first light is turned off;

• Large color values are not formatted properly in pixel info;

• Missing color corrections/post effects on image copied to clipboard;

• Resize on region IPR when an image has been previously loaded from history;

• Show corrected colors doesn't work;

• Switching from OCIO to sRGB and back loses the OCIO settings;

• Window position can not be saved on a non-primary monitor;

VFB

• "Too many open files" error when loading many LUT files;

Installer

• Downloading the V-Ray Material Library does not work with network paths starting with "\\";

• The install log is empty when an error occurs;

New features

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V-Ray

• Add light path expressions support through mode of VRayLightSelect;

• Add RGB primaries override for VRayBitmap option in the Color management;

• Implement blue-noise optimization for the DMC sampler;

• Support for rendering in ACEScg color space with option to recognize the texture color space from the file name;

• Improve precision when rendering large scenes;

• MikkTSpace support for tangent normal maps;

• New version notifications in the new VFB and render settings About section;

• Include the V-Ray AppSDK Python binding with the installation;

V-Ray GPU

• Add support for the VRayNormalMap rotation parameter;

• Support for Environment and Self Illumination contribution for VRayLightSelect;

• Add support for Out-of-Core codepath;

• Support for 2D displacement;

• Rendering of Phoenix FD Particle Shader in Fog mode;

• Add support for OSL shaders;

• Add support for Cellular map;

• Add support for BerconTiles and Bercon Wood maps;

• Implement a per-device GPU memory tracker;

• Resumable rendering with progressive sampling;

VRayDirt

• Add Streaks generation options;

New VFB

• Add magenta-green tint slider to the White Balance color correction;

• History saved render settings loading and comparing;

• Background color correction;

• Filmic tonemap color correction;

• Image search in the History based on the saved scene name and note text;

• Solo button Alt+mouse click enables only one light and toggles all the rest in LightMix;

• Special element "Rest" in LightMix that includes everything not in the other elements;

• Support for rendering without a memory frame buffer;

• Undo for Layers actions;

• Add entirely new implementation of VFB with integrated Layers compositing;

VRayNormalMap

• Add Map rotation parameter;

VRayPhysicalCamera

• Add EV parameter;

VRayProxy

• Support common particle interface (IParticleObjExt) for Alembic that can be used with VRayInstancer and Phoenix FD;

VRaySun

• Implement "Improved" Sky model;

VRayVolumeGrid

• Velocity streamline preview;

.vrscene exporter

• Add option to export only selected nodes;

V-Ray scene converter

• Implement a converter for Physical Material to VRayMtl;

LightMix

• Add support for lights post-processing in the new VFB;

V-Ray Asset Browser

• A material library browser utility for the V-Ray Material Library;

V-Ray Material Library

• Add material library downloader working both standalone and as part of the installation;

V-Ray Material Preview

• Render the material previews with a custom .vrscene;

VRayMtl

• Add Coat and Sheen layers;

• Add simple presets;

VRayHairNextMtl

• Add simple presets;

VRayCarPaintMtl2

• Add new car paint material with more precise flakes filtering and reduced memory usage;

VRayUVWRandomizer

• Add a texmap that should be used solely with the VRayBitmap's and VRayTriplanarTex's mapping source input with stochastic tiling support;

VRayMultiSubTex

• Add randomized hue, saturation and gamma variance options;

• Add new Random by Face material ID/Object ID/Element modes;

VRayBitmap

• Rename VRayHDRI to VRayBitmap;

VRayCompTex

• Add new blending modes Color Shift, Color Tint, Blend Alpha Straight, Blend Alpha Premultiplied;

VRayTriplanarTex

• Ability to be used as Mapping source for VRayBitmap;

VRayPointCloudColor

• Add a map that supports PointCloud Color Channel;

VRayLightSelect

• Support for environment lighting;

Installer

• New installer experience with integrated bundled products: Chaos License Server, Chaos Cloud client and V-Ray Material Library;
  
  

Modified features

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V-Ray

• Add UI option to enable the MikkTSpace calculations from Global Switches;

• Add UI option to switch back to the Native 3ds Max material swatches;

• Optimize conversions between sRGB and ACEScg color spaces when using an OCIO configuration;

• Faster calculation of VRaySun;

• Remove some old stale options from the Global switches;

• Remove the Use local subdivs from Global DMC along with the subdivs parameter of Brute force GI, materials and lights that was dependent on it;

• Simplify the Color mapping options;

• Simplify the Light cache options;

V-Ray Cloud

• Animated parameters of VRayDistanceTex are not exported properly;

• Animated position of geometry with large stationary interval differs;

V-Ray Cloud/V-Ray GPU

• Add initial support for tyFlow instances rendering;

V-Ray GPU

• Automatically disable Out-of-core rendering when the engine type is RTX;

• Implement Box sampler type for VRayVolumeGrid;

• Add support for VRayUVWRandomizer stochastic tiling options;

• Optimize memory footprint for motion blurred geometry both on CPU and GPU;

• Skip degenerate faces when serializing the Embree tree;

• Support for matte objects through VRayObjectProperties;

• Support for VRayCarPaintMtl2 and VRayFlakesMtl2;

V-Ray GPU IPR

• Endless updates when having a camera with tweaked tilt and shift parameters;

V-Ray Standalone

• No image buffer rendering is implemented with new VFB, still processed output is written;

VRayDenoiser

• Remove "Generate render elements" UI option;

VRayBitmap

• Automatically set the transfer function and RGB color space for normal maps;

VRayLightSelect

• Add Subsurface mode;

VRayMtl

• Add some tooltips;

• Add fabric presets based on Sheen;

• Add a "Default" preset;

• Use GGX shadowing for all NDF-based BRDFs;

VRayOSL

• Print warnings for unsupported OSL shader parameters;

New VFB

• Add "None" option to hide the secondary color info in the status bar;

• Add a progress bar for the loading of the History images;

• Add image fitting types option and "Save in image" to the Background layer;

• Group the History compare buttons in a single flyout button;

• Implement renderer stats;

• Preserve the original RGB channel when saving;

• Save persistent settings independent on the scenes;

• Support for color corrections and settings transfer for V-Ray Cloud;

• Bucket outline improvements;

• Enable the denoiser for history and loaded images;

• Various usability improvements;

New VFB/VFB

• Render button to execute Render command instead of Render Last;

VFB

• Use all supported formats as default filter for loading image;

V-Ray Asset Browser

• Add "Use real world scale" and "Use triplanar mapping" options on import;

• Rename the "ME" button to "Open ME on apply" to be more descriptive;

V-Ray scene converter

• Put the converted material nodes in Slate Material Editor for displayed materials after scene conversion;

V-Ray Toolbar

• V-Ray Toolbar to look relative to the vrenderXXXX.dlr directory for icon files to aid network installations;

VRayALSurfaceMtl

• Prevent values for the SSS radius parameters that cause artifacts;

VRayVolumeGrid

• Speed up and use less memory for blending frames having Grid Velocity with Time Bend controls;
  
  

Bug fixes

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V-Ray

• Body objects are always rendered with draft quality;

V-Ray IPR

• Incorrect VRayMtl with displacement texture after IPR update;

V-Ray Cloud

• Per-frame export for animated parameters of Noise map;

V-Ray GPU

• Crash or artifacts when VRaySwitchMtl uses the default submaterial (since Beta 1);

• Renders may get overexposed with VRaySun when changing scene units due to overflow;

V-Ray GPU CUDA

• CPU bucket rendering crashes with On-demand mip-mapped textures;

• Crash with Fractal_3.osl OSL shader;

• IPR crashes when rendering Out-of-core with CPU device;

V-Ray GPU RTX

• OSL maps crash with shaders with string outputs;

• Random crash with particle system in the scene;

VRayDisplacementMod

• Vector displacement produces wrong geometry with scaled objects;

VRayIES

• Incorrect light cutoff when using the light shape for both shadows and illumination;

VRayOSL

• Crash after deleting maps linked to VRayOSLOutputSelector;

• Shader and VRayOSLOutputSelector output values are reset when path to the OSL asset is modified;

VRayPhysicalCamera

• Transfer exposure to camera is not working properly with Exposure Value (EV) mode;

VRayProxy

• Wrong VRayParticleTex shading with alembic particle color (since Beta 1);

VRayVolumeGrid

• .AUR files where the grid data is over 8GB are unreadable, fix requires Phoenix 4.20 and newer;

• Meshes are rendering without motion blur and the Mesh preview is broken when a modifier is applied;

• The resolved cache paths show huge numbers if looking at a frame outside the Timeline Origin - Play Length range;

New VFB

• Crash when loading Layer presets (since Beta 2);

• Crash when saving all channels to .vrimg with LightMix, LUT and high resolutions;

• MaxScript error that prevents rendering occurs when submitting scenes to Thinkbox Deadline;

• Random crash with bucket rendering after multiple frames;

• Render view not updated when compare is disabled with no image loaded;

• Slowdown when rendering a scene with LightMix on V-Ray GPU;

• Sometimes Lens Effects layer UI becomes disabled no matter the enable flag;

.vrscene exporter

• Error when exporting a scene with empty mesh object;

• Long string parameters containing escape characters get trimmed after 1023 symbols;

V-Ray Material Preview

• 3ds Max 2021 hangs when creating Double Sided material in Slate Material Editor;

V-Ray Toolbar

• Missing icons with light theme (since Beta 2);