Official release
Date - Jan. 28, 2025
Build 7.00.10
New features
V-Ray
- Add support for Gaussian Splats.
- Add initial implementation of the new V-Ray Volume Shader.
- Add "Firefly Removal" option under the Sampler tab of the Render Settings.
- Add support for Caustics when rendering with V-Ray GPU.
- Updated the Intel Denoiser to version 2.3.0.
Solaris
- Add V-Ray Hydra builds for Apple Silicon.
- Add support for Cosmos assets.
- Add Light Filter support for Emission Color parameter to allow texture projections from the light.
- Add support for parameter tags.
- Implement TexUserString node.
- Add support for Yeti cache files.
- Add Copernicus nodes support.
USD
- Add 24.x support.
VFB
- Add vignetting effect in the VFB.
- Add Filters tab to the VFB.
- Added support for custom render regions in the VFB.
MaterialX
- Add support for Procedural textures.
Houdini
- Add support for Houdini 20.5.278.
- Add support for Houdini 20.5.332.
- Add support for Houdini 20.5.370.
- Add support for Houdini 20.5.410.
- Add support for Houdini 20.5.445.
- Add support for Houdini 20.5.487.
- Add support for Houdini 20.0.724.
- Add support for Houdini 19.5.773.
- Add button for downloading missing Cosmos assets instead of doing it automatically.
Modified features
Solaris
- Speed up Gaussian Splat LOP GUI when making parameter changes.
- Update GUI for Toon Material and Toon Effect.
- Gaussian Splat and V-Ray Proxy containers are of type "Scope" - transforms applied to that primitive are not inherited by the geometry below.
- Option to apply VFB color corrections for Hydra output.
- Add support for Hair Procedural Motion Blur.
- Hide "scale" parameter from the GUI in favor of using the native transform tools fpr Gaussian Splats LOP.
- Use native USD Camera parameters Shutter Open/Close for the V-Ray Physical Camera motion blur computation.
- Improve FPS.
- Use "displayColor" in addition to "Cd" for User Color VOP in shaders.
- MaterialX: x-visualize not working.
- Add support for Render Mask.
- Use base material for polygons not covered by GeomSubsets.
MaterialX
- Incorrect ND_heighttonormal implementation.
- Incorrect ND_overlay implementation.
- Support for value colorspace.
- Add support for default_color, uadressmode and vadressmode of MtlX Image.
- Use degrees instead of radians for the Place2D rotation values.
- Add support for Pivot and Scale parameters for Place2D VOP.
- Implement ND_colorcorrect and ND_randomcolor.
- Support Blend value for materialX triplanar texture.
V-Ray
- Builds are now placed under a /Chaos instead of a /ChaosGroup folder.
- Significantly reduced V-Ray GPU Time to First Pixel and animation rendering times.
- Up to 3x speed improvement for V-Ray GPU on OSX using Metal when utilizing Hybrid rendering.
- Install V-Ray 7 for Houdini builds under "Chaos" instead of "Chaos Group" folder.
- Enable "Use Light Transform" by default and hide it from the V-Ray Object Properties GUI.
- Missing Color Space parameter for Gaussian Splats.
- Set GUI defaults to be the same as the plugin parameter description defaults for Gaussian Splats.
- Missing "Flip Axis" parameter in both Solaris and vanilla Houdini for Gaussian Splats.
Houdini
- Missing "camera_visibility" atribute of volumeGrid(vdb) in exported VRscene.
- Preserve scene_name of imported material through VRScene Import SOP.
- Avoid unnecessary TexAColor plugins export for ramp attributes.
- Add "Deep Output", "Color Mapping" and "Denoise" toggles for Light Mix AOV.
- Hide "Use Displacement from Override Material" toggle when attribute pattern matching is selected.
- Default to Oren-Nayar roughness model for the V-Ray Material.
- Add support for instancing IES lights with per-point "intensity" from attribute.
- Improve UV Projection GUI and Documentation.
- Allow velocity nsamples from obj props.
- Update Volume Shader UI for simpler Heat Haze control.
Bug fixes
Solaris
- Crash in a particular scene setup.
- Instances go missing randomly with specific scene.
- Crash when enabling Toon under RenderGeometrySettings LOP if a Toon Effect is already applied at the material level.
- Undo (Ctrl+Z) operation that creates a connection between nodes in the shading graph does not work.
- Update rendering progress based on % progress instead of time intervals.
- Different fov value for RenderView when render usd file with standalone compared to husk.
- Several crashes with env toon effect.
- Artifacts in viewport rendering when switching files without stopping renderer delegate.
- Wrong fov with latest builds.
- Wrong vertical offset with latest builds.
- Topology is incorrect for certain frames of an animation.
- MeshLight Decay parms are not exported.
- Gaussian Splats "affect_matte_surfaces" and "rgb_color_space" parameters are not used/exported.
- Crash when opening new scene after rendering scene with volume.
- Crash to desktop with particular scene related to V-Ray Toon Effect.
- Missing Render Var Sampler::uvCoord output for hair.
- Viewport guides disappear behind rendered geometry when using V-Ray Hydra delegate.
- Wrong triplanar mapping for instanced meshes.
- Progressive Sampler "Noise Threshold" and "Max. Render Time" are ignored for production rendering with husk.
- Render Settings UI Toon tab.
- Default grey color is applied to all scene objects when using Bind VOP data in RenderVar.
- Crash during IPR when changing the "Enable" flag for Mesh Light under the V-Ray tab of Render Geometry Settings LOP.
- Instancing breaks subsets material assignment.
- UV settings in "Mapping" tab of procedural textures are ignored.
- Segmentation fault with particular scene.
- Missing curve motion blur with using vray_displace_curves.
- Crash when hiding sop node containing volumetrics.
- Changing subdivision scheme during viewport IPR has no effect.
- Primvars Strength Order Wrong on Instanceable Prims.
- Changing Subdivision Scheme via Edit Properties node is causing a delay in rendering.
- Instanced volumes test is failing since 18 april.
- No IPR update when modifying primvars of instanceable primitives.
- Toon AOV does not work due to missing "alias=154" export.
- When Physical Camera as type Video is enabled, use Shutter Open and Shutter Close parameter values if Shutter Offset and Shutter Angle are not explicitly set.
- Physical Camera parameters related to Motion Blur duration do not update viewport IPR.
- Wrong motion blur evaluation for regular camera Shutter Open/Close.
- Shader update may stuck in IPR.
- Add support for Toon from RenderSettings and RenderGeomSettings nodes.
- Crash with creaseweight when subdivision scheme manually set to catclark.
- V-Ray: Exception in CORE: Internal error.
- Physical Camera 'Bitmap Apperture' doesn't work.
- Textures not loaded if attribute tags / $F4 are used in file name.
- Relative asset paths are not resolved.
- Segmentation fault on close after render with V-Ray.
- Dome Light LOP Texture Color Tweaks "Saturation" parameter is translated to "hsv_saturation_offset" instead of "hsv_saturation_gain" parameter.
- IPR update may use viewport geometry instead of render.
- Light instancing ignores prototype transform.
MaterialX
- Difference how V-Ray and Karma render saturation in mtlxcolorcorrect.
- Blend parameter of triplanar is ignored.
- nd_normalmap scale does not work with inputs.
- MaterialX Transmission Features values do not affect the render.
- Tiled Image VOP UV Offset values are flipped compared to Karma.
- SSS scale not working.
- Triplanar texture bitmaps are not set.
- Using "Mix" VOP with a Standard Surface with Opacity < 1.0 produces unexpected results.
- Wrong MtlX tiling when using mtlxconstant.
- Wrong MtlX tiling when using mtlxconstant.
IPR
- Inconsistent behavior when disable/enable display flag of volumes during IPR.
- Crash with instanced volume.
- Rare crash when when manually transforming lights or geometry if Motion Blur is enabled and keyframe animation is present with only one key.
- Crash when changing the timeline frame with a Background Layer from the Renderer ROP.
- Crash when changing Num. Samples from Object Properties with Velocity motion blur.
- Creating Lights does not affect IPR.
- Crash when using a hotkey to access an IPR Debug Shading mode.
- Python dead-locking.
USD
- Image aspect is not set in Standalone.
- Missing motion blur in Standalone.
- Direct light is too bright.
- Dome light's Shadow Bias parameter is not exported.
- Crash on exit / delegate switch in the usdview.
UsdView
- Incorrect camera switching.
- Slow exit after using V-Ray Hydra Delegate.
VFB
- Undo and Redo are not working properly when there is a Background layer.
- VRAY_VFB_SRGB = 2 prevent VFB to use ocio settings set via env vars.
- Crash on Linux on VFB move while rendering.
- Window elements extra padding on Hi=DPI.
V-Ray
- Specific LPE label 'msheen' causes all other LPEs that use light tags to start returning empty/black result in Houdini.
- Light Path Expressions in "vanilla" Houdini have no effect when not using light tags, and the light has to be explicitly included in the Lights parameter.
- SOP-level Object Properties with a value of -1 (negative) are treated as +1 (positive).
- UVs are not working on particle system.
- BRDFAlSurface : consider_all_objects is missing in the UI.
- VRayMTL Opacity incorrect when VRayImageFile is plugged as a source.
- Inconsistent motion blur depending on nsamples/duration.
- Wrong time samples for GeomMeshFile when moblur duration is less than 1 frame.
- Texture filtering causes blurry textures when using rest attributes (reference mesh) for Triplanar projection.
- Camera FOV changes between certain frames when focus distance parameter is animated.
- Motion Blur difference between GUI and Standalone in specific case.
- 'Save Cryptomatte Separately' does not work for exr files.
- Wrong V-Ray Material output when TriPlanar texture is used in the bump slot.
- Crash with textured instanced lights in specific scene.
- Volume Shader's Fire Lights have no effect.
- Deep Output is always enabled for Render Channel Color (RE) even if "enableDeepOutput" is Off.
- Animation of Geographic parameters animation is not taken into account for Sun Light.
- V-Ray Material Refraction and SSS is missing when layered on top of a Clay/Diffuse shader using Blend material.
- Visibility options have no effect for volumes in Volumetric Geometry mode.
- Disabling the "Generate Render Elements" toggle for Matte objects has no effect on Cryptomatte output.
- Render Overscan with bounding box.
- Sun Light produces pixels with "nan" on linux.
GPU
- Exception in Core when rendering a scaled VDB.
- Wrong matte render if "Enable All" matte obj props button was pressed.
Houdini
- Mixing include/exclude flags in light flags list causes wrong illumination.
- Chaos Client App is not installed with V-Ray for Houdini installer.
- Gaussian Splats GUI parameter values are not exported to the VRScene.
- SSS option has no effect.
- Crash when importing any asset from the Chaos Cosmos library.
- Textures for Transparecy by ID have no effect.
- Wrong export for Linking Links when using the Illumination Mask parameter for V-Ray lights if Velocity Motion Blur is used for native Houdini geometry and Alembic.
- Gradient Ramp texture renders wrong when exported to a VRScene.
- Wrong type of bump map input for the Toon material.
- Rendering a single VRScene for a frame sequence generates only one output image on disk.
- "Noise Level", "Reflection IOR" and "Refraction Glossiness" types when using V-Ray Channel Color (RE) AOV have wrong export for "Deep Output".
- Viewport preview for Packed primitives is missing when assigning V-Ray Material Builder at the SOP level.
- No way to disable Camera Motion Blur if Velocity AOV is present in the scene.
- Volume without a shader causes a crash on Linux.
- Parallax osl file stopped working.
- OSL shader parameters change from UI doesn't affect render output during IPR run.
- Material Overrides based on attribute have stopped working.
- BerconNoise doesn't work by default.
- Some MacOS arm builds on the OSX machine are broken.
- hou.shelves.reloadShelfFiles() crash.
- Disable auto-convertion to explicit normals bump type when TriPlanar is used for GPU.
- V-Ray BakerTool Preview is not working.
- Crash when loading a VRScene containing GeomInstancer when Preview is enabled.
- Mesh light imported from a VRScene is visible in frames previous to its creation.
- UDIM texture baking regression.
- Background layer is not saved in output images when using Hython.
- Missing Alembic material assignments when using the Instance node.
- Instanced lights are not shown in the render element.
- LightMix values are not stored in the scene/ROP.
- Missing geometry on first run of GUI IPR or Production render, or VRScene export with particular scene.
- Invalid handling of geometry scopes.
- Mix texture's "Use Curve" parameter has no effect.
- Wrong behavior for Instanced lights when not present in Candidate or Forced ROP Objects lists.
- Wrong Cosmos texture import of Enscape models.
- VFB is not showing in latest nightly builds for OSX.