Redshift 2026.4.0 (2026.03) - March 17, 2026

Doug Y
Doug Y
  • Updated
  • [Vectorworks] Added support for Vectorworks (2026 Update 4)
  • [C4D] Added ability to render Stars, Milky Way and the Moon with the Redshift Physical Sky
  • [C4D] Fixed bug that could cause displacement to disappear after switching between RS RenderView and C4D Picture Viewer
  • [C4D] Fixed long-standing bug that would force smoothed normals on displaced meshes with no object tag
  • [C4D] Implemented conversion from RS Standard materials to OpenPBR Materials
  • [C4D] Implement RenderView automatically detect the monitor's display profile that it is on (OCIO)
  • [C4D] Fixed a crash when using Snapshot in the RS Object Tag
  • [C4D] Fixed a crash when rendering light shader previews
  • [C4D] Fixed a bug that would incorrectly apply another color transform when sending an image to the Picture Viewer from the Renderview
  • [C4D] Reverted the fix undo 3 times to delete the material
  • [C4D] Fixed a bug where convert xpresso to nodes failed for Material with preset
  • [Maya] Fixed bug where changing color space in RV is triggering IPR restart
  • [Maya] Fixed bug where RS Feedback display can not open log file / log folder
  • [Maya] Fixed crash sometimes happening in batch render on rednering frame 2-3
  • [Max] Fixed bug introduced in 2026.3.0 where camera uses default optical parameters after rendering the first frame in a sequence
  • [Max] Fixed bug introduced in 2026.2.0 that could produce black output when denoising with OIDN or OptiX in progressive mode
  • [Max] Fixed bug where a proxy saved from a scene with file output disabled would crash RedshiftCmdLine due to there being no output filename
  • [Max] Fixed bug where 3ds Max crashes on startup when 3ds Max default Color Management is set to Native Gamma
  • [Max] Fixed bug where displacement does not pass through some materials, including Shell Material and Material Switcher
  • [Max] Fixed bug that could result in a crash when encountering empty meshes
  • [Houdini] Added support for Houdini 21.0.631 and dropped support for 21.0.512
  • [Houdini] Added new option to the RS ROP to disable the plugin-side GUI updates inside Locked HDAs
  • [Hydra] Added support for Solaris 21.0.631 and dropped support for 21.0.512
  • [Hydra] Added support for Katana 9.0 (experimental)
  • [Hydra] Fixed bug that could affect the live updating of the COP2 references while playing backwards
  • [Hydra] Fixed bug that could affect the FOV of cropped renderings with vertical aspect ratio
  • [Katana] Added support for Katana 8.5v1 and 9.0v1 and dropped support for Katana 5.0
  • [Metal] Fixed a crash when using MetalRT and restarting IPR before rendering starts
  • [All] Fixed an issue where any HSV based color transformation in shader nodes would cause banding artifacts
  • [All] Implemented support for per polygon materials when using texture displacement
  • [All] Fixed an issue that caused artifacts when using matte shadow catcher reflections in bucket mode
  • [All] Fixed an issue where high resolution texture displacement on low density meshes would show artifacts
  • [All] Fixed a bug that could cause texture displacement to sometimes disappear on re-render
  • [All] Added support for non 0-1 uvs for texture displacement
  • [All] Fixed a bug introduced in 2026.0.0 that caused incorrect bump mapping when using shader switch or ray switch nodes with nodes that don't support bump mapping
  • [All] Fixed recently introduced bug that broke UDIM/UVTILE textures when wrap is disabled
  • [All] Fixed IPR interactivity problem when using nested proxies that are instanced
  • [All] Fixed a bug where rendering empty voxel grids would cause a crash when rendering with CPU device
  • [All] Fixed a bug that would cause a render bucket to hang while rendering volumes when Cryptomatte AOVs are present
  • [All] Added light normalization mode to Physical Sun&Sky light that enables to normalize sun/moon lighting and camera contribution
  • [All] Fixed a bug where Dome light or Physical Sun&Sky volume contribution wouldn't affect non-volumetric clouds
  • [All] Fixed issue where OSL node is not found in the shader kernel and the material gets invalidated
  • [All] Fixed a bug that could cause mismatched tri-planar projections when used for displacement
  • [All] Added a shader input to the RS Dome Light Material
  • [All] Added Redshift Live render mode (and discontinued Redshift RT)
  • [All] Fixed an issue when using texture displacement that would cause holes in a mesh when using Hardware Ray Tracing
  • [All] Fixed several memory leaks in OptixRT
  • [All] Fixed a bug that could cause texture displacement to disappear for instanced meshes
  • [All] Fixed a bug that could cause an assert when using UV Contexts and the Displacement Blender node
  • [All] Fixed a bug that would cause texture displacement to be affected by mesh visibility flags

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