New features

• Support for 3ds Max 2015;

• VRayProxy: Support for Alembic 1.5;

• Added VRayBumpMtl material that allows to add bump to any other material;

Modified features

• VRayMultiSubTex: Added an option to preserve the alpha of the sub-textures;

• VRayProxy: Make the "Animation offset" parameter animatable;

Bug fixes

• V-Ray loses its license when RPManager is running;

• V-Ray RT: The SettingsCurrentFrame was not exported in .vrscene files;

• V-Ray RT GPU: Fixed crash with static geometry rendering;

• VRayCarPaintMtl and VRayFlakeMtl: Wrong material name in info message in 3ds Max 2013 and later;

• VRayDisplacementMod: Fixed a very slow rendering when Noise texture with animated parameter was used;

• VRayDistanceTex: Setting tex_inside_separate_on:true for a VRayDistanceTex constructor from MAXScript causes system exception;

• VRayExtraTex: Cloning VRayExtraTex element didn't clone the include/exclude list;

• VRayIES: Fixed a rare crash when loading scenes with VRayIES;

• VRayIES: Fixed crash after VRayIES light was created in 3D snap mode and 3ds Max was Reset;

• VRaySphereFade: Could not edit the gizmo objects list through MAXScript;

• VRayToon: Could not edit the exclude list through MAXScript;

• VRayLightMtl: Fixed random lighting between renderings with DirectIllumination and CompensateExposure on;

• Fixed truncated error messages in the V-Ray log for missing textures in 3ds Max 2013 and later;

• Increase the max stdio file handles to the maximum possible (2048) on 3ds Max startup;

• Some bake elements has duplicate class names of other plugins;

• The V-Ray caustics Auto save option is errorneously named casutics_autoSave in MAXScript;

• VRScene exporter didn't work for SSS2 materials;

New features

• Support for 3ds Max 2014;

• V-Ray RT: Support for MultiScatter instancing;

• V-Ray RT: Support for Phoenix FD 2.1;

Modified features

• V-Ray: Changed default settings of VFB's sRGB button, "Don't affect colors" option and "Gamma" value to suit Linear Workflow from the start;

• VRayCarPaint: Added support for displacement texture channel;

• VRayHDRI: Made file open dialog to remember the last used file type filter;

• VRayHDRI: The image file is now reloaded if it had been changed outside 3ds Max;

• VRayMtl: Added Self-illumination slot;

• Raw OpenEXR files now have ZIPS compression by default;

Bug fixes

• VRayProxy: Objects pointing to vrmesh files without extension did not render;

• V-Ray RT: Fixed crash when a texmap is attached to an disabled environment override slot;

• V-Ray RT: Fixed error during initialization when Auto update bitmaps is enabled;

• V-Ray RT: Fixed wrong DOF with physical camera;

• V-Ray RT GPU: Fixed crash with materials with mapped IOR;

• VRayIESLight: Fixed issue causing wrong override shape dimensions when loading, if the previous scene had different units setup;

• VRayMultiSubTex: Fixed issue preventing drag and drop operations for subtex with index greater than 20;

• VRayPTex: Fixed a crash at the end of a rendering;

• V-Ray Light Lister: Fixed error in 3ds Max 2014;

Bug fixes

• VRayMtl: Incorrect render of translucency;

• VRayProxy: Fixed crashes when rendering proxies with point clouds and motion blur enabled;

• V-Ray RT GPU: Light portals did not render correctly;

• V-Ray RT GPU: VRayMtl opacity mapped with VRayColor texture did not work;

Bug fixes

• VRayProxy: Fixed crashes when rendering proxies with point clouds;

• VRayProxy: Added an option whether to use point clouds if present in the .vrmesh file;

• VRayLight: Clicking the center of the light selected the line between the light and the target rather than the light itself;

• VFB: Fixed mixed language interface issue when rendering through BackBurner;

• Hair&Fur: Fixed crash at the end of the rendering with 3ds Max 2013 (unfortunately this reintroduces a memory leak);

• VRayFur: The level of detail parameters should use display units;

New features

• VRayHairFarmMod: Added support for rendering HairFarm 2.0 with V-Ray;

• VRayProxy: Support for Alembic .abc files;

• V-Ray RT: Support for instancing;

• V-Ray RT: Support for Forest Pro instancing;

• V-Ray RT CPU: Faster update when adjusting VRayLights;

• V-Ray RT GPU: CUDA speed optimizations and optimizations for GK110 cards;

• V-Ray RT GPU: Support for the ColorCorrection texture;

• V-Ray RT GPU: Support for the Mix texture;

Modified features

• V-Ray: Added include/exclude object lists for different color channels to the MultiMatte render element;

• V-Ray: Added option to the VRayExtraTex render element to avoid auto-renaming the element when the texture is changed;

• V-Ray: Default memory limit for dynamic geometry changed to 4000 MB for x64 versions;

• V-Ray: Fixed issue that was slowing down multi-core rendering for VRayProxy objects;

• V-Ray: Optimized multi-core rendering for OpenEXR textures;

• V-Ray: Optimized unnecessary velocity calculations when no velocity channel is needed;

• V-Ray: V-Ray components now register in the respective menus across different language 3ds Max builds;

• V-Ray RT CPU: Added support for VRayHairMtl;

• V-Ray RT CPU: Added support for VRayFur;

• V-Ray scene converter: Added mr_Sun/mr_Sky lights in export to VRaySun/VRaySky respectively;

• V-Ray scene exporter: Added subdivided geometry export;

• VRayEdgesTex: Improved the round corners algorithm;

• VRayAmbientLight: Made some of the parameters animated;

• VRayFur: Added "Level Of Detail" option to reduce geometry along the distance from the camera;

• VRayHDRI: Added "Color space" section and moved the "Gamma" option there;

• VRayIESLight: Added an option to override the IES shape;

• VRayIESLight: Made selecting both the light and it's target when clicking on the line between them;

• VRayLight: Added a preview of the "directionality" parameter of VRayLights in the viewports;

• VRayLight: Added "targeted" option for rectangle VRayLights;

• VRayLight/VRayIESLight: Added textured lighting in Nitrous viewport, for Dome light enabled by an environment variable VRAY_DOME_VIEWPORT=1;

• VRayMeshGeom: The sample plugin was extended to create V-Ray Standalone shaders on the fly;

• VRayMtl: Made "Fog color" mappable;

• VRayMtl: Made reflections to affect the alpha of matte objects;

• VRayMtlGLSL: Added ability to save and load compiled shaders;

• VRayMtlGLSL: Added cubemap texture support;

• VRayMtlGLSL: Added viewport color parameter;

• VRayMtlGLSL: Added vr_brdf_light builtin BRDF support;

• VRayProxy: Support for flipping of Z/Y axis;

• VRayProxy: Support for visibility lists for .vrmesh and .abc files;

• VRaySphereFade: Added support for box and cylinder gizmos;

• ply2vrmesh: Added option to specify the name of the velocity attribute (-velocityAttrName);

• ply2vrmesh: Added support for .hclassic and .bhclassic files produced by Houdini 12;

• ply2vrmesh: Added support for color sets from .bgeo files;

• ply2vrmesh: Added support for exporting the face and vertex normals in .geo and .bgeo files;

• ply2vrmesh: Added ability to store the V-Ray user attributes when creating a proxy;

Bug fixes

• Hair&Fur: Fixed crash when lit by VRayLightMtl with Direct Illumination on;

• Hair&Fur: Fixed incorrect result with VRayHairInfoTex texture in "Position along strand" mode;

• Hair&Fur: Fixed random swap of custom materials between different Hair&Fur modifiers when reloading a scene;

• Hair&Fur: Fixed memory leak after rendering a frame since V-Ray 2.3;

• imapviewer: Fixed crash when incrementally loading irradiance maps;

• V-Ray: Enabled by default all channels in the MultiMatte render element;

• V-Ray: Fixed crash when pressing the "Remove" button in the VRayLightSelect element with empty lights list;

• V-Ray: Fixed export of objects with ':' in the names, failing to compose file name;

• V-Ray: Fixed incorrect normals for ParticleFlow systems with ShapeInstance where the instanced object has explicit normals;

• V-Ray: Fixed issue causing random crashes when updating material swatches with VRayCarPaintMtl material or bitmap textures;

• V-Ray: Fixed issue causing white edges on matte objects lit with 3ds Max lights with area shadows;

• V-Ray: Fixed issue with V-Ray object properties not applied when changing more than one at a time;

• V-Ray: Fixed misspelled "caustics_autoSave" maxscript property;

• V-Ray: Fixed some warnings that appeared incorrectly due to 3ds Max 2013 Unicode support;

• V-Ray: Fixed standard lights' "Atmosphere shadows" option of doesn't work properly with area VRayShadows;

• V-Ray: Fixed UI issue with MultiMatte render element RGB channel names;

• V-Ray: Fixed V-Ray materials' to appear in the respective categories in the material editor;

• V-Ray RT: Fixed Maxscript access for .warn_unsupported property;

• V-Ray RT: Fixed VRayBlendMtl as coat of another VRayBlendMtl to render properly;

• V-Ray RT: Mirroring instance of VrayIES light using Offset spinner while running RT sent the light to wrong coordinates;

• V-Ray RT: GI multipliers by object which are greater than 1.0 were not working in RT;

• V-Ray RT CPU: Fixed artifacts in layered materials;

• V-Ray RT GPU: Fixed calculations precision on CUDA and OpenCL rendering causing artifacts;

• V-Ray RT GPU: Fixed crash with 8-bit texture mode and light textures;

• V-Ray RT GPU: Fixed OpenCL issue with wrong transparent shadows with motion blur;

• V-Ray RT GPU: Fixed OpenCL issue with motion blurred dome lights;

• V-Ray RT GPU: Scaled IES lights produced different result from the production renderer;

• V-Ray scene exporter: Fixed photometric lights conversion to IES lights;

• V-Ray scene exporter: Fixed Render Elements manager retrieval when selected ActiveShade rendering;

• VFB: Fixed issue with multithreaded ICC profiles loading, that could cause either miscalculations or crash;

• VRayCarPaint/VRayFlakesMtl: Fixed issue with the flakes layer not respecting the global reflection depth limit;

• VRayDisplacementMod: Fixed crash when "Edge length" option is set to 0,0;

• VRayDisplacementMod: Fixed incorrect displacement result on mirrored geometry when using Noise modifier and motion blur;

• VRayDistanceTex: Fixed to work as bump map;

• VRayFlakesMtl: Fixed wrong buckets when rendering with DMC sampler;

• VRayGLSLMtl: GLSL materials were receiving no GI when evaluating shaders executed in light loop mode;

• VRayHairMtl: Fixed random crash in case when applied to normal geometry;

• VRayHairMtl: Optimized material sampling;

• VRayIESLight: Fixed an issue preventing the light to be selected in the viewport with no IES profile assigned;

• VRayIESLight: Fixed "Autogrid" option in creation mode;

• VRayIESLight: Fixed crash when setting ies profile through MAXScript;

• VRayLensEffects: Fixed issue with remaining render elements in the VFB when the effect is deleted;

• VRayLight: 3ds Max crash with dome light;

• VRayLight: Fixed incorrect tab order of UI controls;

• VRayLight: Fixed issue causing the UI to disappear when switching the light type in 3ds Max 2013;

• VRayLight: Fixed issue causing the UI to malfunction when toggling "enable HW lighting" during creation;

• VRayLight/VRayIESLight: Fixed issue with enabling/disabling Nitrous viewport lighting;

• VRayLight/VRayPhysicalCamera: Fixed issue with instanced targeted Vray cameras and lights causing flickering of "target distance" parameter;

• VRayLightMtl: Fixed issue when in X-Ref'd scene with direct illumination mode on;

• VRayMtl: Fixed "Affect shadows" option to work with enabled caustics;

• VRayEnvironmentFog: The "fog height" parameter could not take negative values;

• VRayOrnatrixMod: Fixed issue concerning hairs collections with varying number of guide points per strand;

• VRayPhysicalCamera: Fixed the "Horizontal offset" and "vertical offset" options showing different result in the viewport and the render;

• VRayPhysicalCamera: Fixed issue with animated zoom and motion blur;

• VRayPlane: Fixed rendering with VRayBPTracer;

• VRayStereoscopic: Fixed shade map improperly generated file names;

• VRayBlendMtl: Displacement in the base material was not rendered;

• VRayFastSSS2: Fixed artifacts when rendering point-cached motion-blurred geometry with displacement;

• ply2vrmesh: Fixed crash during RealFlow .bin files conversion;

• ply2vrmesh: Fixed crash when converting .obj file containing face definitions with negative indexes;

New features

• Support for 3ds Max 2013;

• Support for the new shading features of Hair&Fur in 3ds Max 2013;

• VRayOrnatrixMod: support for Ornatrix 2.0;

• Added a "Matte for reflection/refraction" option to the VRayWrapperMtl material and the V-Ray object settings;

• V-Ray RT and V-Ray RT GPU: support for motion blur (transformation and deformation) both in ActiveShade mode and as a production renderer;

• V-Ray RT GPU: added a CUDA engine, in addition to OpenCL (64-bit builds only; requires a Fermi or Kepler card and the newest nVidia drivers);

Modified features

• VRayOrnatrixMod: support for Ornatrix thickness maps;

• Added the possibility to specify a preview mesh for the vrayMeshExport MAXScript function;

• Support for motion blur of V-Ray mesh lights;

• Reduced memory usage and increased speed for dynamic geometry (proxies, displacement etc) in specific situations;

• VRayHDRI: added crop/place options to VRayHDRI;

• VRayHDRI: added Output and curves rollout to VRayHDRI;

• vrimg2exr: added support for RLE compression method for OpenEXR files to vrimg2exr;

• VFB: the V-Ray VFB ICC color correction now takes into account the gamma value from the Color Mapping settings of V-Ray;

• VRayPTex: increased the default cache size for VRayPTex textures;

• V-Ray scene converter: now converts IES lights and mr sun/sky in a Daylight system;

• V-Ray RT GPU: support for sub-pixel filtering;

• V-Ray RT GPU: ability to use full resolution textures;

• V-Ray RT GPU: option to specify material texture bit depth to help control GPU memory usage;

Bug fixes

• V-Ray materials saved as using Realistic viewport preview did not show up in the Direct3D viewports;

• VRayOrnatrixMod: hair radius was clamped (very small values rendered thicker than they should);

• VRayHairInfoTex: fixed invalid material colors;

• VRayHairMtl: fixed occasional crashes;

• VRaySimbiontMtl: fixed a crash when creating a VRaySimbiontMtl in the material editor in 3ds Max 2012;

• Fixed crashes with Particle Flow and motion blur;

• Fixed crashes with motion blur on meshes with changing topology;

• V-Ray RT: VRaySoftBox texture didn't work in V-Ray RT;

• V-Ray RT: "Reload" button in VRayHDRI did not work properly in 3ds Max 2009;

• V-Ray RT: fixed a crash when closing the ActiveShade window with the "Auto update bitmaps" option enabled;

• V-Ray RT: Crashes when scrubbing the time line with the ActiveShade window open;

• V-Ray RT GPU: a VRaySun light illuminated the scene even if it was disabled;

• Textures in the V-Ray environment slots did not show up in the Asset Tracker;

• VRayLensEffects: fixed crashes in specific situations;

• The V-Ray DR spawner did not work without administrator privileges;

• VRayEnvironmentFog: fixed incorrect rendering with scaled mesh gizmos;

• VRayEnvironmentFog: fixed issues interface issues when switching between different VRayEnvironmentFog effects;

• VRayShadowMap: fixed artifacts when rendered with VrayEnvironmentFog;

• VRayProxy: Proxy sequences loaded with '#' characters did not render with motion blur;

• VFB: Rendering failed when any of the render effects was enabled and "Render to memory frame buffer" was turned off;

• VFB: The "Show V-Ray VFB" command did nothing if the VFB was minimized;

• VFB: Fixed UI freeze if compare mode was turned on in the VFB and the user tried to render;

• VFB: When the VFB history was closed, it reopened on the next render;

• VRayPTex: Fixed artifacts in the reflection render element when using VRayPtex textures;

• imapviewer: fixed slowdown when merging light maps;

• VRayColor2Bump: fixed an issue large render resolutions;

• VRayDisplacementMod: fixed possible cracks between different subdivision levels when using subdivision displacement;

New features

• VRayHairMtl specifically for fur and hair rendering;

• VRayOrnatrixMod modifier for direct rendering of Ornatrix hair;

• VRayHairInfoTex texture for additional hair shading effects;

• VRayPTex texture provides support for PTex files;

• MAXScript functions for access to the V-Ray VFB contents;

• V-Ray RT: added "Real zoom" option to the ActiveShade quad menu to modify the rendered region (zoom, pan) directly in the ActiveShade window;

• MetaSL support in VRayGLSLMtl and VRayGLSLTex;

Modified features

• V-Ray RT GPU: initial support for VRayBlendMtl materials;

• V-Ray RT GPU: rendering of VRayProxy objects;

• V-Ray RT GPU: support for affect diffuse/specular/reflection for VRayLights;

• V-Ray RT GPU: support for simple skylight portals;

• V-Ray RT GPU: support for textured area and mesh lights;

• V-Ray RT GPU: limited support for the Falloff map;

• V-Ray RT GPU: support for Tiles and other procedural textures (through baking to bitmaps);

• V-Ray RT: ability to use the 3ds Max bitmap proxy system for the ActiveShade;

• V-Ray RT: support for 32-bit ActiveShade buffer;

• V-Ray RT: add a "Reload" button for VRayHDRI that works with V-Ray RT;

• Distributed rendering: option to specify a maximum number of render slaves;

• Distributed rendering: when a slave completes a DR render, it will automatically try to join other running DR jobs;

• ply2vrmesh: added support for .bgeo files in ply2vrmesh;

• ply2vrmesh: added -info option to ply2vrmesh to print information about .vrmesh files;

• Irradiance map format (*.vrmap) has changed - map files from V-Ray 2.20 cannot be opened by previous V-Ray versions;

• imapviewer: added -incremental command-line option and "File > Incremental add" menu item for incremental merge of irradiance maps produced by V-Ray 2.20;

• imapviewer: added ability to load and display light cache files;

• VRayMtl: added "Affect channels" option for reflections;

• VRayGLSL: split into a VRayGLSLTex texture and a VRayGLSLMtl material;

• VRayGLSLMtl: support for built-in BRDFs;

• VRaySun: added filter color for VRaySun;

• VRayMultiSubTex: added option to specify the number of IDs in VRayMultiSubTex;

• VRayMultiSubTex: reworked the VRayMultiSubTex texture to use lists of properties, rather than separate parameters;

• VRayFastSSS2: ability to save/load illumination maps for VRayFastSSS2 material;

• VRayHDRI: add the "time" rollout for controlling IFL files to VRayHDRI;

• VRayHDRI: support for tiled mip-mapped TIFF files;

• VRayHDRI: optimized VRayHDRI bitmap performance;

• VRayIES: expanded the "Use light shape" option for VRayIES to allow the shape to affect light distribution;

• VRayBPTracer: support for distributed rendering;

• VRayBPTracer: support for the VRayLightSelect render elements;

• VRayDisplacementMod: added option to smooth UVs for subdivision displacement;

• VRayLensEffects: improved multithreading for VRayLensEffects;

• Optimized memory usage and multithreaded performance for dynamic geometry;

• Optimized the VRay2SidedMtl material for GI calculations when translucency is greyscale;

• Add an option to the VRaySamplerInfo render element and texture to wrap the UVW coordinates in the [0,1] range;

• VFB: added ICC color correction to the V-Ray VFB;

• VFB: added right-click menu to the items in the V-Ray VFB history;

• VFB: right-click menu option to add and edit comments in V-Ray History per image;

• VFB: ability to do A/B VFB comparison with a rendered image in the V-Ray VFB;

• VFB: the frame stamp is now saved to and loaded from the V-Ray VFB history images;

• When writing a raw .exr file, V-Ray will attempt to produce a scanline version of the file instead of tiled one;

• Added a glossiness render element, also for texture baking;

• Added a Clear option for the Previous render list in the System rollout;

• Changed the default image sampler to Adaptive DMC;

• Exposed the irradiance map preview mode parameter in the UI;

• Reduced flickering of the irradiance map and light cache when "Time independent" DMC option is disabled;

• Disable any HSDS modifiers before saving the scene for DR;

• SDK: switched to Intel C++ 12.1 compiler;

• SDK: shaders can provide their own sampling rays for GI;

• SDK: multithreaded expansion of dynamic primitives;

Bug fixes

• Nitrous: VRayHDRI did not show up in Nitrous viewports;

• Nitrous: support for the VRaySky environment texture in the Nitrous viewports;

• Nitrous: the first time the user selects "Show realistic material in viewports" the objects with this material disappear;

• The material texture maps were not shown in the Max2012 shaded viewport;

• DR: fixed hanging buckets in specific cases;

• DR: slaves with missing files continuously tried to re-join a DR render when "restart slaves on render end" was on and "Check for missing files" was enabled;

• DR: if a render slave failed to receive the entire irradiance map from the client it still continued the render producing wrong buckets;

• VRayBPTracer: region rendering did not work;

• VRayFastSSS2 did not work correctly with light exclusion;

• Assigning a texmap to material texmapslot caused a crash when the texmap was disabled;

• Exclude from shadow casting did not work for VRayIES lights;

• Fixed a crash when rendering with Particle Flow emitted from animated geometry;

• Fixed a crash with VRaySun when the scene is rendered with the scanline renderer;

• Fixed uneven motion blur for fast moving objects with many geometry samples;

• Scrubbing the time slider created keys for the FOV parameter;

• The .vrscene exporter script did not export the "cast shadows" property of lights correctly;

• The .vrscene exporter script did not detect animated textures properly;

• The .vrscene exporter script did not export correctly objects with animated topology;

• VFB: Pressing the "set A" or "set B" button when the VFB history is empty lead to a crash;

• VFB: Fixed a crash when importing specific .acv file;

• Relative path names for raw image files did not work;

• Crash with Particle Flow events in specific scene;

• VRayFlakesMtl material did not work with the VRayMtlSelect render element;

• Pixel Info window showed colors only for one image during A/B compare;

• Fixed artifact with light portals;

• The height parameter for VRayEnvironmentFog is now greyed out when there are gizmos attached;

• VRayEnvironmentFog did not allow to pick multiple gizmos and lights through the "Select by Name" dialog;

• Incorrect self-shadowing of hairs by themselves for VRayFur and the 3ds Max Hair & Fur modifier;

• Mapped VRayLightMtl does not work as direct light if the color is set to black;

• Hanging buckets with VRayBlendMtl material when one of the blend textures returns an invalid color;

• VRayStereoscopic shademap files were not closed after reading;

• VFB history did not display render times for history images;

• Disappearing geometry when VRayVelocity pass is used;

• Issues with the MAX.vray preset in 3ds Max 2012;

• AA filter type not saved in V-Ray presets;

• Loading a V-Ray preset does not respect the selected rollouts;

• Scripted materials are not handled properly when assigned as sub-materials;

• V-Ray RT: environment override slot in VRayMtl did not work with glossy materials;

• V-Ray RT: DOF did not work with animated cameras;

• V-Ray RT: gamma issues with the ActiveShade window;

• V-Ray RT: IFL sequences did not work with VRayHDRI;

• V-Ray RT: initialization error in stage 2 when Mix material is used as normal map;

• V-Ray RT: differences in RT with 3dsmax Composite map;

• V-Ray RT: environment override slot in VRayMtl materials doesn't work for glossy materials;

• V-Rat RT GPU: OpenCL code failed to compile with the latest nVidia drivers;

• V-Ray RT GPU: invisible dome lights were rendered as visible;

New features

• Separate VRayFlakesMtl material with just the flakes from the VRayCarPaintMtl material;

• Added VRayGLSL material for direct rendering of GLSL shaders with V-Ray extensions;

Modified features

• The V-Ray RT render server prints out some more information in GPU mode (useful for troubleshooting);

• Added access to the V-Ray material override exclude list from MAXScript;

• Support for the four FumeFX render elements;

• Ability to call the "Calculate" and "Save to CSV file" operations on the VRayLightMeter from MAXScript;

• The "Browse" button for the "Split channels" file name now opens the folder with the currently selected name (if any);

• Added an environment override slot for VRayCarPaintMtl material;

• Added bump slot for the base layer of VRayCarPaintMtl material;

• Ability to turn off "trace reflections" for separately for each layer of the VRayCarPaintMtl material;

• Added MAXScript function, vrayEditDRSettings(), to open the DR settings window;

• Added possibility to specify user command-line options to 3dsmax.exe when started from the V-Ray DR spawner;

• VRayMtlID and VRayObjectID render elements now have an option to generate colors instead of integers for proper antialiasing;

• XML output for the VRayRenderID render element;

• MAXScript-only option "dome_visibleOriginal" for dome lights to control filtering of the light texture for glossy rays;

• Added an option to VRayToon to compensate the camera exposure;

• Ability to map the radius in VRayDistanceTex with a texture;

• Option in VRayDistanceTex for a solid inside color;

• Custom V-Ray materials now work in the Hair&Fur modifier;

• Hair&Fur now produces the same object ID as the emitter object;

• The V-Ray bitmap to VRayHDRI converter script did not take into account the input gamma of textures;

• Crash with particular pre-render script that turns off V-Ray lights before rendering;

• VRayBlendMtl material blocks the material IDs of its sub-materials;

• V-Ray RT: Added support for RPManager material;

Bug fixes

• Noise with "Clamp output" option enabled produced noisy renders;

• Hilights from the base reflection layer of VRayCarPaintMtl material were darker than they should be;

• Slow rendering with many overlapping VRayProxy primitives;

• Randomly missing gizmos when rendering VRayEnvironmentFog;

• VRayLights that exclude an object could still affect that object through GI;

• Rendering with GI may use more detailed texture mip-map levels than necessary;

• VRayHDRI may not respect the specified memory limit for tiled textures;

• Crashes with particle systems with 3d displacement and motion blur enabled;

• Spikes with 3d displacement with "Keep continuity" enabled and particular bad geometry;

• Incorrect velocity element with VRayFur;

• Image copied from VFB to clipboard had the first column of pixels swapped for the last one;

• Loading an image in the V-Ray VFB with a different resolution did not work correctly;

• img2tiledexr used wrong formula when converting images from sRGB color space;

• vrim2exr did not preserve the pixel aspect information in the resulting .exr file;

• ply2vrmesh can convert RealFlow .bin files to .vrmesh files;

• VRayExposureControl was not accessible from MAXScript;

• Script error when there is a VRayPlane object in the scene;

• VRayPhysicalCamera in "Movie" mode was not exported correctly;

• Mesh lights were not exported with the .vrscene exporter script;

• Fringes on the edges of flakes in VRayCarPaintMtl material;

• Crash with VRayCarPaintMtl material when rendering of texture maps is globally disabled;

• Warning about "Retrace threshold" and "Use light cache for glossy rays" was printed even when not using the light cache;

• Exception after rendering when the "V-Ray raw image file" is chosen and the V-Ray VFB is not enabled;

• The V-Ray presets did not load if they were saved on a system where the decimal symbol is ",";

• The file save dialog for .vrimg/.exr files was not resizable;

• The VRayFastSSS2 material was not exported by the .vrscene MAXScript exporter;

• The VRayLightSelect element allowed the user to pick meshes instead of just lights;

• Incorrect velocity element when rendering Hair&Fur natively;

• The .dra file exported from the Hair&Fur plugin is now moved to the temporary 3ds Max folder instead of the root one;

• Wrong spelling for "affect specular" option in VRaySun;

• Slow rendering of VRayEnvironmentFog with animated Noise texture;

• V-Ray RT: Objects could disappear in animation;

• V-Ray RT: When used as production renderer, animation of deforming objects was ignored;

• V-Ray RT: Wrong exposure when physical camera type was "Move cam" or "Video cam";

• V-Ray RT: VRayEdgesTex was listed as incompatible with V-Ray RT;

• V-Ray RT: 3ds Max froze if V-Ray RT was working as an ActiveShade renderer and the user attempted to run V-Ray RT as production renderer;

• V-Ray RT: .vrscene export was not correct if the system decimal symbol was ",";

• V-Ray RT: When V-Ray RT was used as production renderer and max. paths per pixel was 0, it was always reset to 64;

• V-Ray RT: ActiveShade rendering is now paused when doing normal production rendering;

• V-Ray RT: Render restarted when changing a perspective view, even if the ActiveShade window was locked to using another camera;

• V-Ray RT: Scene was empty if motion blur was enabled;

• V-Ray RT: Problem with canceling batch render of animations;

• V-Ray RT: Adding new objects/lights is not reflected in the ActiveShade window in 3ds Max 2012;

• V-Ray RT: Standard camera FOV animation was not working;

• V-Ray RT: Support for the "Camera map per pixel" texture;

• V-Ray RT: ParticleFlow systems did not update when an animation with V-Ray RT as production renderer;

• V-Ray RT: Camera target distance was not updated correctly when rendering through Backburner;

• V-Ray RT: Issue with VRayLightMtl material inside a VRayBlendMtl material;

• V-Ray RT GPU: Textures for the color of VRayLightMtl material did not work;

Bug fixes

• VRayLights could render differently (brighter) from V-Ray 1.5;

• V-Ray RT: Right-clicking in the ActiveShade window to bring the quad menu could crash 3ds Max;

• V-Ray RT: Fog color in VRayMtl did not work in the CPU version;

• img2tiledexr would crash if it could not write the result due to permissions;

• Fixed noise with VRayBPTracer;

• Crash with VRayIES lights and VRayBPTracer;

New features

• VRayMultiSubTex texture to allow different colors/textures based on surface material IDs and object IDs;

• VRayExposureControl plugin for proper exposure of perspective and regular camera viewports;

• VRayLightMeter helper for lighting analysis;

• VRayCarPaint material with advanced metalic flake simulation;

• VRayLightSelect render element to hold the (direct) contribution of selected lights;

• VRayStereoRig that can be used together with the VRayStereoScopic helper to manually define the left and right cameras;

• VRayLensEffects render effect for producing realistic glow and glare;

• Filter Generator tool for generating glare maps for VRayLensEffects;

• VRayDistanceTex texture to measure the distance to arbitrary polygonal objects;

• VRayDRBucket render element to show which machine rendered a given bucket;

• Support for tiled mip-mapped OpenEXR files in VRayHDRI;

• img2tiledexr tool for mass conversion of textures to tiled OpenEXR files for use with VRayHDRI;

• Support for shade maps in the VRayStereoScopic helper;

• Support for dispersion for refractions in VRayMtl;

• Support for camera distortion based on .vrlens files;

• Lens Analyzer tool for generating distortion .vrlens files from photographs;

• Light lister for V-Ray lights;

• Added the various V-Ray components in the "Create" menu;

Modified features

Official release:

• Add caustic subdivs for standard lights to the V-Ray light lister;

• The "directional" parameter for rectangle VRayLights is now repmapped to a more usable range;

• Ability to choose texture interpolation in VRayHDRI;

• V-Ray RT: Progress bar update when V-Ray RT is used as production renderer;

• V-Ray RT: Added support for alpha channel;

• Ability to adjust render passes and bounces for VRayBPT;

• VRayMetaSL material is removed for the time being; it will be added in an udpate;

Beta 3:

• V-Ray RT can be used as production renderer (with support for V-Ray VFB);

• Ability to adjust the orientation of IES profiles in VRayIES;

• Added an indication for the orientation of the VRayLightMeter in the viewport;

Beta 2:

• Added ability to store the raw bloom and glare results from VRayLensEffects to separate render elements (with V-Ray VFB only);

• VRayLensEffects now works properly with any color mapping type (with V-Ray VFB only);

• V-Ray now uses auto number of light cache passes when it is specified as zero;

• Copying an image to the clipboard from the V-Rag VFB now preserves sRGB color correction;

• Added camera/reflection/refraction/shadow/GI visibility options for VRayEnvironmentFog;

Beta 1:

• Added option for directional distribution of rectangle VRayLights;

• Added the ability to copy the V-Ray VFB to cliboard using Ctrl+C;

• Ability to specify a mesh for proxy preview when creating the proxy;

• VFB output is now not saved when rendering in "iterative" mode;

• Improved raytracing precision;

• Ability to enter exact coordinate values for the color curves in the V-Ray VFB;

• All log files are saved in non-administrative folders;

• Ray distance parameter for the dome light;

• Added zlib compression to .vrimg files;

• Show information about the value of corrected colors in the V-Ray VFB;

• Ability to load .vrimg files in the V-Ray VFB;

• Ability to compare two images from the VFB history directly in the V-Ray VFB;

• Ability to save and load color correction curves for the VFB in Adobe PhotoShop format;

• Add a "retrace threshold" option to the light cache;

• The vrayMeshExport() MAXScript function can take a list of objects to export instead of using the selection;

• Ability to specify per-gizmo density falloff for VRayEnvironmentFog;

• Implemented correct blending of overlapping VRayEnvironmentFog gizmos;

• "Filter maps for GI" option is now enabled by default (saves memory with large textures);

• The static box for the "Split channels" file name truncates the front of the file name if too long;

• Ability to explicitly set and maintain the FOV of the physical camera;

• Option for the VRaySun to not cast shadows from atmospherics;

• Option to turn off speculars from VRaySun;

• Option in VRayLightMtl material to multiply the color by the transparency texture;

• Option to treat a mesh as static or dynamic geometry in the V-Ray Object Settings dialog;

• Option to disable tiling in VRayBmpFilter;

• Option to specify material effects ID for VRayMtl;

• Option to turn off camera motion blur;

• Option for z-depth render element to take the z boundaries from the camera clipping planes;

• Better viewport representation of the VRayIES lights in the hardware viewport;

• Implemented support for motion blur of regular particle systems, including Thinking Particles;

• Implemented the cutoff threshold for mesh lights;

• Added printing of messages in the V-Ray log when light cache and photon maps are saved successfully;

• "Compensate exposure" option to the VRayLightMtl material;

• Display for the field of view camera cones for the VRayStereoscopic helper;

• Option to override the viewing (focus) distance for the VRayStereoscopic helper;

• Option to select "interocular method" for stereo camera position in the VRayStereoScopic helper;

• V-Ray VFB history button is enabled by default;

• Implemented caching of thumbnails for .vrimg files in the VFB history;

• VRayDirt exclude list is now accessible from MAXScript;

• VRayLog.txt location by default is in the temporary folder of the current user (which is always writable);

• Added browse button in the .vrscene export MAXScript dialog window;

• Added .exr (OpenEXR) extension in raw output browse dialog;

• Option to the V-Ray scene converter script to turn reflections off or on for converted Standard materials;

• "Affect diffuse" and "Affect specular" options for the VRaySun;

• "Affect diffuse" and "Affect specular" options for VRayIES lights;

• Include/exclude list for the VRayExtraTex element;

• MAXScript access to the "Import as mesh" function of the VRayProxy objects;

• Modified the vrayMeshExport() MAXScript command to return the (list of) auto-created proxies;

• Option to flip y/z axes when converting .obj files with ply2vrmesh;

• Ability to select a VRayPhysicalCamera and its target when clicking on the line between the two;

• Implemented better coloring of the SamplingRate render element;

• Option not to expand # in .vrmesh file path to frame number for VRayProxy objects;

• Option in V-Ray toon to just show outlines and not interior edges;

• "Temperature" color mode for the white balance of the physical camera;

• "Render last" button in the V-Ray VFB;

• Options for VRayAmbientLight whether to affect direct illumination and GI;

• "gi distance" parameter to VRayAmbientLight;

• Option in VRayMtl to adjust the "Fog color" based on the current scene units;

• Buttons to lock the aspect ratio for V-Ray VFB resolution and to swap width/height button;

• Option to enable color mapping for the VRayObjectSelect render element;

• "Ray distance" parameter for the dome light;

• Option to dim reflections based on distance for VRayMtl;

• Somewhat faster rendering with many render elements;

• Ability to enter exact coordinate values for the color curves in the V-Ray VFB;

• GI subdivs multiplier in the VRayObjectSettings dialog;

Bug fixes

Official release:

• V-Ray RT GPU: Fixed slow performance with the 260.99 nVidia drivers and multiple GPUs;

• vrimg2exr did not work correctly with the -channel option and large images;

• Faceting with subdivision displacement;

• Rectangle VRayLights flipped along one of the axes did not render the correct side;

• VRayLights reflects black when "Base glossiness" of the VRayCarPaintMtl is set to 1;

• VRayBPT did not work with multi/sub materials;

• .vrimg files were not opened correctly with File > View image file;

Beta 3:

• Fixed crash with VRayBPTracer when Default lights are disabled;

• VRayBPTracer did not work with VRayBlendMtl materials;

• VRayLightMeter displayed the day light factor incorrectly;

• VRayExposureControl affected the rendering even if it was not active;

• Fixed noisy rendering with VRayExposureControl and gamma correction in the Color mapping settings;

• VRayStereoscopic did not work with VRayMtlID render element;

• V-Ray RT CPU: Support for the dim reflections option in VRayMtl;

• V-Ray RT CPU: Support for dispersion in VRayMtl;

• V-Ray RT GPU: Fixed an issue with environment maps on multiple GPUs;

Beta 2:

• VRayDistanceTex was broken;

• The "Compensate exposure" options in VRayAmbientLight, VRayLightMtl and VRaySphereFade did not work with the VRayExposureControl;

• Fixed dark results with VRayExposureControl in certain cases;

• Dispersion did not work with bump mapping;

• Irradiance map filename and auto save filename edit boxes did not get updated when changing the filename through MAXScript;

• The "Browse" button for the "Split render channels" parameter did not remember the file name;

• VRayMetaSL texture did not filter shader bitmaps;

• Caustics "Map file name" and "Map auto save file name" static boxes now truncate the front of the file name if too long;

• Ambient occlusion was calculated even if GI was disabled;

• .vrlens files are now declared to the Asset Tracker and also for missing files check;

• VRayLights that only affect reflections were slow to render;

• "Use light shape" option was causing shadow issues with excluded objects;

• Panning the VFB with the middle mouse button and the comparison line enabled did not refresh the comparison properly;

• The shade map in the VRayStereoscopic helper did not work with render elements;

• The stereo hepler shade map did not work properly with the VRayExposureControl;

• V-Ray RT CPU: VRayLightMtl material was always double-sided;

• V-Ray RT: VRayExposureControl was not working in the ActiveShade window;

Beta 1:

• The "Save render servers with scene" option did not work;

• Issue with GI when overriding the environment in VRayMtl;

• Exposure control plugins from the Environment dialog do not affect the background even if that option is enabled;

• Artifacts on shadow/light boundaries with Ward BRDF;

• Noisy VRayEnviromentFog shadow with Target Direct light in certain situations;

• Particle systems could not be exported as .vrmesh files;

• Issue with excluded hidden render nodes with VRayToon and DR;

• Installer timeout was too short for auto uninstall;

• VRayLightMtl material lost opacity texture when copied;

• VRayIES lights could reset the power setting in certain situations;

• Crash with animated proxy in ping-pong mode;

• The VRaySSS2 render element included GI even if its "Scatter GI" option was disabled for the respective VRayFastSSS2 material;

• Potential crash with VRayFastSSS2 and VRayCarPaintMtl at start of rendering;

• V-Ray will now always generate floating point 3ds Max buffer when using VRayLensEffects in order to preserve HDR information;

• Implemented eariler warning for existing .vrimg files before the actual rendering has started;

• VRayIES lights did not use the global light multiplier;

• UNHANDLED EXCEPTION: Creating ObjLightDesc for node Light01;

• Render clients were not failing over to the third license server;

• Problem with VRayFur and VRayPlane in the viewports;

• Crash when clicking on the VFB raw file "Browse" button with no text in the edit box;

• Crash with motion blur when default geometry is set to "Dynamic" and there are meshes with changing topology;

• Bug with Tab key in the VRayProperties dialog;

• Problem when rendering through backburner of a scene with V-Ray VFB history on a machine that does not have VFB history enabled;

• Issue with dimming of controls for VRayLights;

• VRayBlendMtl did not work with scripted materials;

• No velocity information was exported to .vrmesh files when object transformatons were animated;

• 3ds Max UI freeze if rendering with VFB clear confirmation dialog is shown;

• Crash when exporting multiple meshes to .vrmesh files;

• Issue with the "Reset Material Editor Slots" function in 3ds Max 2011 with the new slate Material Editor;

• Problems when using object settings across machines with different Windows regional setttings;

• "Automatically create proxies" option in the VRayProxy export dialog did not work for groups;

• Ability to save .vrimg files through the "Save" button of the VFB (just the visible render element);

• Added .vrimg as option for 3dsmax render ouput;

• Crash with VRayPhysicalCamera in 3ds Max 2009;

• Issues with the "Condense material library" function with the MAX.vray preset;

• Assigning a value to the file name parameter of VRayBmpFIlter texture did not work;

• Issues with scaling of spherical VRayLights;

• Loading of bitmaps is now skipped if "Maps" option is OFF;

• Relative file paths for the irradiance map did not work;

• Could not drag and drop to/from VRayMtlSelect render element material slot;

• Several V-Ray specific materials showed up in the "Standard" category of the material browser in 3ds Max 2011;

• Crash with the VRaySamplerInfo render element;

• Weird colors with VRaySun when it is below the horizon;

• The hilight glossiness of VRayMtl had the same localized name as the reflection glossiness;

• Don't start setvrlservice if installer is started from command line without GUI;

• %camera keyword in the frame stamp did not work with physical camera;

• Errors with region rendering to tiled .exr files;

• Crash with Hair&Fur modifier in "mr prim" mode;