Redshift 2026.1.0 (2025.10) - October 8, 2025

Doug Y
Doug Y
  • Updated
  • [C4D] Fixed a bug with motion blur always being ON for Splines
  • [C4D] Fixed volume extraction when vdbs contain "tiles"
  • [C4D] Fixed Batch-only Mode being ignored in IPR for AOVs
  • [C4D] Fixed a bug with step value being too big for node material inputs
  • [C4D] Fixed a bug where material previews would not render if a material contains an empty OSL node
  • [C4D] Added light and volume samples to RS Sun&Sky light
  • [C4D] Fixed a bug where clouds with wind speed would not update in IPR render
  • [C4D] Reverted to the default viewport environment map when adding a new RS Sun&Sky Object
  • [C4D] Fixed a bug where normal mapping would not work reliably with substance material
  • [Maya] Added new Physical Sun & Sky object with enhanced contribution controls, replacing the legacy Sun & Sky object
  • [Maya] Added support for rendering procedural clouds with the new Redshift Cloud Object
  • [Maya] Fixed Unit Conversion node not working as expected
  • [Maya] Fixed RS Proxy node distance units visibility checkbox glitching when multiple proxy nodes are present in the scene
  • [Max] Added "View Image" button to RS Bitmap for editing cropping and placement
  • [Max] Added support for RS Sun and Sky in Redshift Light Lister
  • [Max] Fixed bug in RS Clouds where the Horizon Blend parameter had no effect
  • [Max] Fixed bug in RS Clouds where the Shape parameter was missing
  • [Max] Fixed bug in RS Sun and Sky where the Model parameter had no effect and the light used Preetham et al by default
  • [Max] Fixed bug where AOVs and Denoise buffers are created when using Redshift RT
  • [Max] Fixed bug where Post Effects are disabled when Samples viz mode is turned on when using Redshift RT
  • [Max] Fixed bug in the attribute name combo box for RS User Data shaders where RS Name ID and RS Object ID don't work
  • [Max] Fixed bug introduced in 2026.0.0 that caused incorrect shading when using RS Jitter or RS Random Color/Material Switch
  • [Max] Fixed bug introduced in 2026.0.0 where texture baking did not work
  • [Max] Fixed bug where Redshift can crash while texture baking if scene uses Irradiance Cache or Irradiance Point Cloud
  • [Max] The Coverage parameter of RS Clouds is now presented as a percentage
  • [Houdini] Added support for Houdini 21.0.440
  • [Houdini] Added light and volume samples params to the Sun & Sky node
  • [Houdini] Added support for SOP transformations motion blur to the procedural packed alembics
  • [Houdini] Fixed bug that could affect the IPR updates while switching the light nodes display flag
  • [Hydra] Added support for Solaris 21.0.440
  • [Hydra] Added light and volume samples params to the Sun & Sky LOP
  • [Hydra] Fixed bug that could affect the viewport rendering of the sun&sky and clouds
  • [Hydra] Fixed bug that could affect the default on state of the EnableOptiXRTOnSupportedGPUs render option
  • [Hydra 2.0] Fixed bug that could affect the rendering of some materials
  • [USD Procedural] Added new build for USD 25.05 to be used with Houdini 21.0
  • [Katana] Added light and volume samples params to the Sun & Sky light
  • [Metal] Fixed a crash that happened when using textures with very specific resolutions
  • [Metal] Fixed an issue that caused small artifacts due to poor numerical precision
  • [Metal] Fixed a crash when VRAM adjustment is needed
  • [Metal] Fixed an issue where IPR could cause slower rendering switching to bucket mode
  • [Metal] Fixed an issue where IPR rendering causes artifacts when switching to bucket mode
  • [Metal] Fixed an issue where artifacts would occur while bucket rendering with hardware ray tracing
  • [Metal] Added precompiled kernels for macOS Tahoe to reduce startup time. Note that there are still known rendering artifacts when running on Intel CPU + AMD GPU systems on Tahoe.
  • [CPU] Fixed a crash introduced in 2026.0.0 when using textures for bumpmapping
  • [All] Fixed old bug that caused the TriPlanar node to not refresh in IPR when toggling "sameTextureOnEachAxis"
  • [All] Fixed a bug that caused artifacts when plugging node parameters with data of incompatible type
  • [All] Fixed old bug that would incorrectly convert 2 channel greyscale textures (YA format)
  • [All] Fixed a crash when using a material, with sprite nodes, multiple times on the same mesh
  • [All] Fixed old bug that caused texture corruption when projecting the texture based on other textures or raytracing based shaders
  • [All] Fixed old bug where materials with raytracing based shaders depending on other raytracing based shaders, were accepted and resulted in artifacts
  • [All] Fixed a crash introduced in 2026.0.0 when using a ray-switch node as a headnode
  • [All] Fixed a bug introduced in 2026.0.0 that caused bumpmapping to be too strong when using textures that are projected by other textures
  • [All] Fixed a bug that could cause crashes and wrong renderings when rendering a proxy with OSL shader that references string user data
  • [All] Fixed a crash when using many puzzlematte AOVs, that had the following error message: "Range for 'm_IntersectionResults_matidMOD' has been overwritten (by later recursions) and was not marked as 'WillBeReadInTheFuture'"
  • [All] Fixed a bug where the override unit of a proxy would be ignored when contained in another proxy
  • [All] Fixed a recently introduced bug that could cause bogus UV mapping to appear when sampling textures with missing UVs
  • [All] Fixed Camera Map shader not working on macOS when a specific camera is picked
  • [All] Fixed a bug introduced in 2026.0.0 that broke animations of 2D Maxon Noises
  • [All] Fixed a bug where a frame rate of 0 would break the cloud rendering
  • [All] Fixed a bug that caused Camera Map projection to be broken when a scene unit other than cm was used
  • [All] Fixed a bug that caused incorrect volume shading when proxy is exported before rendering happens
  • [All] Fixed a bug that caused inconsistencies when a standard volume shader is assigned to multiple volumes
  • [All] Fixed a bug that caused incorrect cloud lighting and sky sampling in 3ds Max
  • [All] Eased the rules for rstexbin re-processing when it attempts to detect legacy/broken "YA" format (introduced in 2026.0.0)

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