--- title: "7.40.02" canonical: "https://documentation.chaos.com/space/VMAYA/950763526/7.40.02" format: markdown --- **V-Ray 7 for Maya, Update 4** *Official release* **Date** - July 1, 2026 > Macro (ui-button) ## **New Features** --- **V-Ray** - Rendering speed improvements up to 13% on Windows and 6% on Linux - Added Parallax Texture node - Added Veras for render and viewport AI visualization - Added Out-of-Frustum Displacement control for memory optimizations - Added an option for Light Cache denoising to the VRayDenoiser render element - Added Simple Caustics to VRayMtl for VRaySunLight - Added support for MayaUSD 0.36.0 for Maya 2027, 2026, 2025 - Added support for MayaUSD 0.35.0 for Maya 2026 and 2025 - Added HIP support for AMD GPUs **VFB** - Added Image Layer - Added Histogram - Added Foreground and Background folders in the fixed stack of Layers **VRayGaussianSplat** - Added Gaussian Splat controls for relighting - Added the VRayGaussianSplats render element - Аdded suport for VRayGaussianSplat Clipping for GPU **Bifrost** - Added support for Bifrost 3.1.0.8 - Add support for Bifrost 3.0.0.0 for Maya 2027 - Added support for IPR updates of native nodes - Added support for meshes and strands - Added support for Instance orientation - Added a more informative message for the Bifrost version support - Added support for assigning materials through the graph - Added support for Animations - Added support for instances **VRayToon** - Added option for Inwards and outwards Toon lines **Chaos Scatter** - Added viewport visualization as meshes - Add the Chaos Scatter Lister - Added the ability to select scene objects from Chaos Scatter **Chaos Cosmos** - Added support for the import of Parallax textures from Cosmos - Added support for import of Cosmos sets ## **Modified Features** --- **V-Ray** - Enabled long path (>260 characters) on Windows for output images - Performance improvements up to 6% for 2D displacement - Add an in-product indicator of the current licensing mode **V-Ray GPU** - Added OSL/GLSL/MDL support for Metal - Speed up bitmap loading **VRayToon** - Added Depth and Angular scaling overrides for VRayToonMtl - Added Global Toon Line Width Multiplier in Render settings **Chaos Cosmos** - Added support for Cosmos in multi-user mode **Chaos Scatter** - Allow VRayDecal in Chaos Scatter models **USD** - Added support for USD Light normalize attribute - Enabled USD export of custom name UV sets - Export transfer_function instead of color_space for BitmapBuffers ## **Bug Fixes** --- **V-Ray** - Fixed the lack of IPR updates with DR2 - Fixed IPR crash when adjusting material color parameters with Golaem - Fixed Orthographic V-Ray Physical Camera not matching viewport - Fixed occasional missing volumes when rendering .vrscene with Motion Blur enabled - Fixed texture swimming with Triplanar projected VRayFlakesMtl on object with animated cluster - Fixed crash on Hypershade when creating VRay Plugin Node - Fixed a crash when a disabled RenderChannelDenoiser with enable_blurred_denoising=1 is present - Fixed incorrect edge visibility for triangle base meshes - Improved message for retrieval of the Cosmos service info **V-Ray GPU** - Fixed missing support for OpenPBR Sheen/Fuzz on Metal - Fixed Gaussian splats artefacts when the splat is behind an object with opacity - Fixed broken geometry topology in OptiX - Fixed broken shading on rigged objects with displacement - Fixed incorrect rendering of VRayAtmosphere with DR2 - Fixed Moon distortion when Horizon offset is used - Fixed incorrect position on VRaySun disk when Horizon offset is used - Fixed mismatch between CPU and GPU for a translucent/refractive VRayMtl with Coat darkening - Fixed mismatch between CPU and GPU for Caustics intensity - Fixed mismatch between CPU and GPU for VRayGaussianGeom clipping mask with procedural texture in Object XYZ space - Fixed mismatch between CPU and GPU with clouds and Stars brightness in the Night Sky - Fixed incorrect lighting with resumable rendering if the rendering is paused during Light Cache Calculations - Fixed incorrect render with VRayUserScalar and VRayMultiSubTex - Fixed invalid TexNoise when uvwgen is None - Fixed Light's intensity multiplier not working with directionality set to 1 and textures - Fixed memory leak on macOS - Fixed wrong results with the Affect Matte Surfaces parameter in VRayGaussianGeom and certain camera angles - Added support for Motion blur's Bias parameter - Added support for TexBitmap with UVWGenProjection bump map **VRayToon** - Fixed error on creating VRayToon from the Create menu **VRayRectLight** - Fixed incorrect contribution from rect light with projection texture **VFB** - Fixed negative pixels produced with LightMix and values very close to 0 - Fixed black buckets when Open Image Denoiser is enabled after starting a render - Fixed incorrect default tooltip being displayed on widgets **Chaos Cosmos** - Fixed Cosmos browser not loaded in Maya 2027 Linux - Fixed V-Ray for Maya crashes during Cosmos initialization **USD** - Fixed missing camera options on export - Fixed noise threshold not respected in USD