---
title: "7.40.01"
canonical: "https://documentation.chaos.com/space/VBLD/1232699395/7.40.01"
format: markdown
---
*Official Release, V-Ray 7.4, hotfix 1*

**Date **- Sept 16, 2026


## **New features**

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- Introduce Chaos Scatter in V-Ray for Blender
- Introduce Live Link to Chaos Vantage for real time preview and rendering
- Introduce V-Ray Object Lister
- Introduce V-Ray Material Manager
- Import V-Ray Scene (.vrscene) files as native objects in Blender
- Add V-Ray Infinite Plane geometry object
- Ability to add utility textures and bitmaps from the Material tab instead of the Node editor


## **Modified features**

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- Add Chaos Scatter Surface Color texture
- Add Out of Frustum subdivision control
- Add an option to highlight selections in object selectors in the viewport
- Add max_velocity_last_frame in the Velocity render element
- Add more control for Toon outlines
- Add quality presets for the V-Ray Sampler
- Add support for Chaos Cosmos asset sets
- Add support for Custom per-instance user data for Geometry Nodes
- Add support for material thumbnails
- Add support for rendering and converting Cycles Principled Hair, Vector Math, Float Curve, and Map Range Cycles nodes
- Add a shadow catcher revert option in the F3 menu
- Add support for rendering and converting Cycles worlds
- Add a way to create LightMix and Denoiser in the World tree
- Add a button in the LightSelect render channel that leads to the LPE builder
- Add the rest of the missing Raw filter render channels
- Add the option to include the Rest channel when saving VRayLightMix to file
- Connect V-Ray material bump when dragging a link on top of the Bump rollout socket
- Convert the Cycles Thin Wall introduced in Blender 5.2
- Draw the curve directly in the Remap texture node
- Fix "Back to Beauty" not showing up in the VFB when all beauty elements are present
- Export only the geometry attributes that are used during shading
- Import V-Ray Luminaires from Cosmos lights
- Improve UV-only support when UVW Randomizer is used
- Improve V-Ray Curvature user interface
- Improve material preview performance
- Improve naming of assets imported from Cosmos
- Improve the arrangement of nodes when importing assets or using the 'Arrange Tree' option in the Node Wrangler
- Improve the conversion of Cycles Principled materials
- Keep displacement texture link when changing displacement type
- Show a status during V-Ray GPU kernels compilation
- Speed up hair export for particle systems and curves
- Use UVW Projection with texture transform for converting the Cycles Generated coordinates node
- Use incremental updates for interactive object visibility and referenced objects
- Velocity render element should work without enabling Motion Blur
- Add a link to the docs in the Directories page of the Installer


## **Bug fixes**

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- A frame step of 0 raises an uncaught ValueError, and the render never starts
- Animation .vrscene export does not restore current frame
- Blender adjust light operators don't work
- Blender crashes when trying to render the 2.90 Blender splash art scene
- Camera operators raise an error when invoked outside the 3D viewport
- Cannot change shape of IES light
- Chaos Cosmos does not register in Blender on multi-user systems
- Clicking Material Preview while in Viewport Rendering mode resets to viewport shading
- Converted Cycles gradient ramp doesn't work with procedural textures on GPU
- Crash in the server if a connection is closed too fast
- Cursor moves to the center of the screen when asked to overwrite output image
- Custom frames list keeps duplicates and overlaps, so frames render more than once
- Cycles Math node "Inverse Square Root" converts to 1-sqrt(x) instead of 1/sqrt(x)
- Cycles Principled specular renders at half brightness in V-Ray
- Disappearing geometry when using an instanced decal
- Dropping a .vrmesh into the viewport cannot be undone
- During viewport rendering with the Blender 4.5 splash scene, instanced collections disappear when the user changes the object selection
- Empty undos created when trying to remove the last socket in containers
- Exceptions after deleting multiple objects used in a single object selector
- Exception when exporting particle hair in the Blender 2.91 splash art scene
- Export errors in the Blender 5.1 splash art scene
- File overwrite check not performed when production job is started from VFB
- Film Speed not grayed out when Exposure Value is used in V-Ray Physical Camera
- Frame 0 is dropped from the render sequence with animated view layer
- Rename V-Ray Fur's "Gravity Variation" property to "Length Variation"
- Increase V-Ray Sun's Cloud offset soft limits
- Light Mix "Apply to scene" confirmation popup is missing
- Light Select arrives with an empty Lights list
- Limit Light material minimum color multiplier to 0
- Loading the V-Ray add-on might break the HIP integration in Blender
- "Make Shadow Catcher" command does not enable Affect Alpha
- Merged objects and materials from other Blender files are not upgraded
- Minor differences in Blender 5.2 compositing
- Objects disappear when two of them use different Motion Blur sample overrides
- Render Settings > Common > Rendering quick toggles cannot be undone
- Render region resets on interactive rendering
- Rendering animation never finishes when switching between cameras with motion blur
- Rendering a single frame with Motion Blur never finishes
- Remove the deprecated Precision parameter in 2D displacement
- Rolling Shutter is not included in the motion blur export interval
- Start Production Render from top menu does not respect render settings
- Starting an interactive render refreshes material previews
- Stopping caustics during interactive rendering doesn't work
- Transferring 0 intensity from Light Mix to scene breaks subsequent intensity updates
- Undoing collapses any opened rollouts in the V-Ray node editor
- V-Ray Triplanar texture is missing the random by user attribute parameter
- V-Ray Volume Toon causes artifacts with geometry mesh converted from a curve
- V-Ray Server crashes after waking from sleep on Mac OS
- VFB layers are not loaded correctly when changing scenes
- VRayZmqServer doesn't quit properly on macOS
- VRscan relinking from the scene lister doesn't work
- Viewport status messages are not filtered based on preferences log level
- Wrong Checker scale when converting from Cycles
- Wrong hair export in a specific scene
- Wrong material export in a geometry nodes scene
- Wrong render result given to Blender when VFB render region is used
- Importing Blender preferences into a new version of Blender breaks the installation process