--- title: "V-Ray 5" canonical: "https://documentation.chaos.com/space/VMAX/113583150/V-Ray%205" format: markdown --- ## **V-Ray 5, Hotfix 2** *Official Release, Hotfix 2* Build: 5.00.05 Date: 29 July, 2020   ### **Modified features** --- **New VFB** - Max Script access for OCIO settings with vfbcontrol; **V-Ray scene converter** - Converting CoronaBumpConverter to VRayColor2Bump;   ### **Bug fixes** --- **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. ## **V-Ray 5, Hotfix 1** *Official Release, Hotfix 1* Build: 5.00.04 Date: 14 July, 2020 ### **New features** --- **VRayBackToBeauty** - Add render element that will expand to all beauty render channels;   ### **Modified features** --- **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** --- **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;   ## **V-Ray 5** *Official Release* **Build:** 5.00.03 **Date:** 16 June, 2020 [Release notes for other V-Ray versions](https://docs-chaos.atlassian.net/wiki/spaces/VMAX/pages/113587821)   ### **New features** --- **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** --- **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** --- **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);