Redshift 2026.3.0 (2026.02) - February 10, 2026

Doug Y
Doug Y
  • Updated

  • [C4D] Fixed a bug introduced in 2026.2.0 that could cause the Substance shader to crash

  • [C4D] Fixed delete unused materials, it deletes environment materials even it's still being used
  • [C4D] Fixed an issue where Redshift Sun&Sky camera contribution would break transmission contribution
  • [Maya] Fixed bug with incorrect per-mesh caustics settings when loading old scenes
  • [Maya] Fixed bug where moving timeline slider when IPR is running was not updating animated Sun and Sky rotation
  • [Maya] Fixed crash happening when trying to render animation with batch render
  • [Maya] Fixed crash sometimes happening when opening a scene with an expression
  • [Maya] Fixed crash sometimes happening when re-sizing MV window
  • [Max] Creating RS Bitmap and RS Texture in Material Editor now brings up the File Open Dialog -- requires 3ds Max 2022 or later
  • [Max] Fixed bug where loading very old scenes can result in global Post Effects missing the Background parameters, leading to a crash when rendering
  • [Max] Fixed bug where Auto Max Displacement parameter on Redshift Mesh Parameters did not work and was effectively always off
  • [Houdini] Added support for Houdini 21.0.559 and 21.0.596 and dropped support for 20.5.654 and 21.0.440
  • [Houdini] Added the "Redshift_getCurrentROP" hscript command to get the current IPR/RenderView ROP node path
  • [Houdini] Improved support for scenes with multiple Sun&Sky nodes to handle only one enabled at the same time
  • [Houdini] Fixed bug that could affect the RS RenderView while switching cameras with different resolution
  • [Houdini] Fixed bug introduced in RS 2026.2.0 that could affect the visibility of the RS VOP nodes params
  • [Hydra] Added support for Solaris 21.0.559 and 21.0.596 and dropped support for 20.5.654 and 21.0.440
  • [Hydra] Added support for the Solaris 21.0 statistics panel (latest Houdini 21.0 production build only)
  • [Hydra] Added support for the Camera LOP "Exposure" parameter if the Redshift custom "Exposure (EV)" param is not set
  • [Hydra] Added global displacement options to the viewport rendering settings
  • [Hydra] Fixed bug that could affect the rendering of Copernicus textures as dome lights
  • [Hydra] Fixed bugs that could affect the ObjectID and Depth AOVs
  • [Hydra] Fixed bug that could affect the cryptomatte and deep AOVs when using "No Multi-Layered EXR File"
  • [Hydra] Fixed bug that could affect the Refractions AOV Light Groups option
  • [Hydra 2.0] Fixed camera and transformations motion blur limitations
  • [Hydra 2.0] Fixed primvars sampling issues
  • [Hydra 2.0] Fixed several issues in the light linking feature
  • [Hydra 2.0] Fixed several issues affecting the nested instancing
  • [Hydra 2.0] Fixed the live updating of the RS custom light and camera parameters
  • [Hydra 2.0] Fixed bug that could affect the render settings while enabling/disabling some LOP nodes
  • [Hydra 2.0] Updated primitive adapters to support the USD and Alembic procedurals, and RSProxy primitives
  • [Hydra 2.0] Added support for rendering USD implicit surface primitives
  • [Hydra 2.0] Added support for the live updating of the COP2 references on the shader nodes
  • [Hydra 2.0] Added support for USD mesh lights (Geometry Light LOP in Solaris)
  • [USD Procedural] Updated Hydra 2.0 architecture in the USD 25.05 version
  • [Metal] Fixed a bug that can cause instability during IPR rendering when using hardware ray tracing
  • [Metal] Fixed a bug that caused a crash when using clouds and texture displacement at the same time
  • [All] Improved texture displacement performance
  • [All] Fixed a bug that caused incorrect material blending when using both material stacking and material blender shaders
  • [All] Fixed limitations of distorter node regarding nested distorters and bumpmapping
  • [All] Fixed a bug that caused all outputs of the Flakes shader to be treated as a normal when used as a custom AOV output
  • [All] Fixed a crash when disabling meshes in proxy instances
  • [All] Fixed a crash when using both baking-based features and materials that require a texture to be forced in-core
  • [All] Fixed a bug that caused incorrect material blending if one of the materials was black
  • [All] Fixed a bug where RS Clouds could introduce bucket artefacts in Ray Traced SSS
  • [All] Fixed a crash when using hybrid rendering with CPU compute devices
  • [All] Fixed an issue that caused holes in meshes when using texture displacement
  • [All] Fixed a bug that caused texture displacement to disappear when applied to tessellated meshes with no uvs
  • [All] Added support for smooth normals to texture displacement
  • [All] Fixed an issue where vertical artifacts would appear when using texture displacement in the software ray tracer
  • [All] Fixed a bug where texture displacement would not work with deformation motion blur in the software ray tracer
  • [All] Fixed a bug where proxies would render incorrectly when the units are scaled
  • [All] Fixed a bug that could cause excessive noise when rendering volumes with physical sun-sky environment
  • [All] Fixed a bug that could cause a crash when rendering volumes with empty voxel grids
  • [All] Fixed bug that would cause dome light EV adjustment to be lost temporarily after switching dome light image
  • [All] Fixed a bug that caused auto bump to look wrong when using texture displacement
  • [All] Fixed a bug that could cause texture displacement to appear to have 'noisy details' that shouldn't exist on meshes with scaling
  • [All] New mode added to UV Context Projection node to support camera projection mapping via camera selection

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