[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 ligthing 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)
2026.0.0 (2025.09)
Release Notes
[C4D] Improved extraction performance for meshes
[C4D] Dropped support for Cinema 4D R25 and S26
[C4D] Fixed issue where soloing the Color Node did not work as expected
[C4D] Fixed the Color Node input to ramp knots' input color
[Maya] Added RSMAYAMATERIALVIEWER_ENABLED environment variable to explicitly enable Material Viewer (experimental)
[Maya] Added Material Viewer Progressive Passes parameter
[Maya] Added Redshift Preferences to Maya Preferences menu
[Maya] Added USD Variants support
[Maya] Fixed USD Procedural library not being properly unloaded at Maya shutdown
[Maya] Fixed User Data String not working as expected
[Maya] Fixed bug with proxy material popup copy menu not working in Maya2025 and 2026
[Maya] Fixed multiple UI glitches with USD Variants selection
[Maya] Fixed overrides flags for Alembic proxy node
[Maya] Fixed Material Viewer sometimes becoming stuck
[Maya] Fixed .usdc files being not visible in file selector in proxy node
[Max] The "render mesh" is now always requested from objects, except when using Poly objects with Redshift tessellation
[Max] IPR now updates Redshift Proxy and Volume Grid objects
[Max] IPR now updates tyFlow objects when using particle interface
[Max] IPR now updates Forest Pack objects
[Max] IPR now updates in response to adjusting UVW modifiers
[Max] IPR now updates in response to adjusting Hair and Fur WSM modifiers
[Max] IPR now applies changes to Trace Sets
[Max] Increased responsiveness to scene changes during IPR to reduce input lag
[Max] Class rename: "Redshift Sun" is now "RS Sun" - scripts should use the internal name "rsSunLight" to avoid version compatibility issues
[Max] Modifying viewport display modes for Proxy and Volume Grid objects no longer causes IPR to refresh
[Max] Fixed bug introduced in 2025.6.0 that caused 3ds Max to crash on startup when running in command-line mode (e.g. Backburner, Deadline)
[Max] Fixed bug where hiding/showing lights during IPR could cause 3ds Max to crash
[Max] Fixed bug where some modifiers can cause Redshift to freeze 3ds Max when rendering with motion blur enabled
[Max] Fixed bug where TurboSmooth-modified objects switch to using viewport iterations when reconverting the mesh
[Max] Fixed bug that could cause constant IPR refreshes when rendering with motion blur enabled
[Max] Fixed bug where mode-dependent parameters are not hidden in the UI for RS Standard Volume
[Max] Identical Trace Sets are now shared between objects when rendering, to reduce VRAM usage
[Max] Improved detection of mesh changes to reduce unnecessary IPR refreshes when interacting with the modifier stack
[Max] Cleaned up UI for Redshift Volume Scattering and added sliders for easier control of parameters
[Houdini] Added support for Houdini 20.5.684 and dropped support for 20.5.584
[Houdini] Added support for promoted subnet inputs to the shader nodes
[Houdini] Fixed bug that could affect the viewport IPR camera while scrubbing
[Houdini] Fixed bug that could affect the FOV of the render region in the Houdini render view
[Hydra] Added support for Solaris 20.5.684 and dropped support for 20.5.584
[Hydra] Added support for a large number of new primvar overrides to the point instancer based lights instancing
[Hydra] Added support for single-layer EXRs to the proxy scene files using the "{AOV}" tag to configure the file names
[Hydra] Added support for .jpg, .tiff, and .png image output formats to the proxy scene files
[Hydra] Added support for new cryptomatte and deep AOVs workflow by using "redshift" as render product type
[Hydra] Fixed bug that could affect the rendering of deep and cryptomatte files at the same time
[Hydra] Fixed bug that could affect the rendering of assets with tagent attributes and polygon normals or ngons
[Hydra] Fixed bug that could affect the rendering exposure of the filmic cameras in "Use Solaris camera focus/fstop" mode
[Hydra] Fixed bug that could affect the camera's motion blur outside the keyframe ranges
[Hydra] Fixed bug that could affect the rendering of ngons with reverse winding order
[USD cmdLine] Added support for product names that include time samples
[USD cmdLine] Added support for rendering single-layer EXRs and additional image file formats
[USD cmdLine] Added '-single-layer' option to force the rendering of single-layer EXR files
[USD cmdLine] Added '-oif' option to fully override the image output path/file for all AOVs. It supports the "{AOV}" and "%04d" tags
[USD cmdLine] Fixed the '-oip' option to work with output files from render product names
[USD cmdLine] Fixed bug that could affect the rendering of .usd files including proxy or procedural objects
[USD Procedural] Fixed a crash on exit which was affecting several DCCs
[USD Procedural] Fixed bug that could affect the IPR performance on some DCCs like Maya
[Katana] Fixed crash on exit in scenes with Redshift volume or proxy objects
[All] Fixed a bug that prevented using negative values in volume vector grids that are loaded from memory
[All] Fixed a bug in physical sun/sky that caused the radiance values to be too low
[All] Fixed a bug in light shader, that caused incorrect light intensity for point and spot lights
[All] Added support for dx() and dy() functions in OSL
[All] Upgraded bumpmapping to support most shader combinations
[All] Fixed an issue that caused bumpmapping to be viewport resolution dependent
[All] Fixed a bug that caused shaders with specific displacement outputs to not support autobump
[All] Added support for distance unit handling. This allows to have physically correct handling of lights, volumes, geometry and proxies for different scene sizes
[All] Added support for rendering procedural clouds with the new Redshift Cloud Object.
[All] Added Distorter shader, which was only available in C4D, for all supported DCCs
[All] Replaced the global fog attenuation with a "Viewing Distance" parameter
[All] Fixed a bug that caused a crash when the sprite shader is used in IPR with bucket rendering mode
[All] Fixed a bug that caused light tracesets to be broken in animations
[All] Fixed a bug that caused unnecessary vram resets when multiple sky objects with different sky models are used
[All] Fixed old bug that would incorrectly convert 2 channel greyscale textures (YA format)
[Alembic Procedural] Fixed crash from assets with zero scale transformations
2025.6.0 (2025.07)
Release Notes
[C4D] Fixed regression in the viewport representation of bump-maps
[C4D] Fixed bug in the viewport representation of texture nodes when using Raw as their explicit color-space
[C4D] Fixed bug in the handling of C4D volumes when used in conjunction with the Connect object
[C4D] Fixed a bug where UVWs did not update in the IPR when modifying the tag data.
[C4D] Fixed an issue with time value inaccuracies in texture animation settings.
[C4D] Fixed bug where changing a polygon selection would not update the IPR
[C4D] Fixed bug where asset of a single node would not render
[Maya] Added Redshift User Data String node
[Maya] Fixed bug when it was possible to run denoiser from plugin when RT render engine is selected
[Maya] Fixed crash happening sometimes when opening new scene
[Maya] Fixed bug with Material View not updating after IPR finishes rendering
[Max] Added DirectX 11 viewport preview for Dome Light with OCIO support and realtime color adjustment -- requires 3ds Max 2023 or later
[Max] Fixed bug where it was impossible to specify empty trace sets using inclusive mode on an object
[Max] Fixed bug that could cause latent scene corruption when referencing Redshift material/texmap parameters in expression controllers - see https://redshift.maxon.net/topic/52612
[Max] Fixed bug where Redshift material/texmap parameters referenced in expression controllers are lost when the scene is loaded
[Houdini] Added support for OBJ params in SOPs using the new "Redshift Object Params" SOP node
[Houdini] Fixed several bugs that could affect the overscan feature
[Houdini] Fixed IPR updating problems and crashes while creating sun lights
[Hydra] Added support for "%04d" frame numbering style tags to the output files, including cryptomatte or deep EXR files
[Hydra] Fixed bug that could affect the IPR updates from the widths attributes
[Hydra] Fixed bug that could affect the IPR updates of the global environment shader
[Hydra] Fixed bug that could affect the bokeh image parameter
[Hydra] Fixed bug that could affect the relative image, cryptomatte or deep output files
[Hydra] Fixed bug that could affect the camera map projection FOV from picked cameras
[USD cmdLine] Added support for "%04d" frame numbering style tags to the output files
[USD cmdLine] Added support for EXR output file names evaluated directly from the render product name
[USD cmdLine] Added support for default cryptomatte and deep EXR file names if not configured in the render settings
[Blender] Added a method to fix undefined node sockets on scene load.
[Blender] Expanded new AO panel with a couple of new params that override the same ones from 'Commons Lighting params' panel.
[Blender] Added new options to compose the file output name to the interface of 'Scene As Proxy', 'Render to Image File' and 'Object to Proxy'
[All] Fixed a bug that caused wrong lighting result with nested vdb volumes
[All] Fixed a bug that caused a crash when the output of a store to AOV node is used for custom AOVs
[All] Fixed a bug in the Flakes shader that caused flakes to "swim" in Object mode, when mesh gets deformed
[All] Fixed a bug in the Flakes shader that caused flakes to show local correlation
[All] Fixed a recently introduced bug that could cause wrong cryptomatte object IDs in some DCCs
[All] Shader-driven Sprite node now works with scalar shader inputs
[All] Fixed a bug that could cause random crashes when exporting meshes
[CUDA] Added Hopper and Blackwell data center GPU support
[Alembic Procedural] Added support for integer vertex or user data attributes
2025.5.0 (2025.06)
Release Notes
[C4D] Improved the quality of the viewport material baking
[C4D] Added support previewing UDIM/UVTILE textures in the viewport (requires C4D 2025.3)
[C4D] Improved the quality of per-strand-point attributes (like colors), in hair objects and curves in hair strand mode
[C4D] Improved the viewport representation of portal lights
[C4D] Fixed bug where certain math nodes would have have a blank preview in the node editor
[C4D] The minimum required version for the 2025 plugin has been increased to Cinema 4D 2025.3
[Maya] Fixed bug with wrong lighting in Material View caused by switching from IBl to off (no IBL)
[Maya] Material Preview camera FOV now matches that of Arnold and Maya Hardware renderes
[Maya] Improved responsiveness of material parameters controls
[Houdini] Fixed more issues related to hair attribute stability and hitting memory limits prematurely
[Houdini] Added support for Houdini 20.5.584 and dropped support for 20.5.487
[Houdini] Added support for op: and opdef: textures to the lens distortion parameter
[Houdini] Added denoise flag to the custom AOVs
[Houdini] Fixed bug that could affect some buckets of the the MPlay AOVs
[Houdini] Fixed bug that could affect the rendering of proxy scenes in progressive mode with denoising
[Hydra] Added support for Solaris 20.5.584 and dropped support for 20.5.487
[Hydra] Added support for USDZ rendering (Solaris 20.5 and above)
[Hydra] Added support for op: and opdef: textures to the camera bokeh, backplate, and lens distortion parameters
[Hydra] Fixed bug that could affect the primvars dirty state from disabled nodes
[Hydra] Fixed bug that could cause a crash from objects without any points
[Hydra] Fixed bug that could affect the IPR updates or sequence rendering of animated OpenVDB assets
[Hydra] Fixed bug that could affect the denoising if the color rendervar is not the first one
[Hydra] Fixed default state of the refraction override param in the Physical Sky LOP
[USD cmdLine] Fixed bug that could affect the Windows UNC image file output paths
[USD Procedural] Fixed bug that could affect the material overrides in objects with instances
[USD Procedural] Fixed bug that could affect the rendering of .usd assets with RS Proxy primitives
[USD Procedural] Added support for USDZ assets rendering (USD 24.03 or above)
[Katana] Fixed bug that could affect the default colors of the Pavement shader
[Katana] Fixed bug that could affect the normals of some polygons with inverted winding order
[Blender] Added support for Blender PointCloud objects, created using the Geometry nodes modifier. These objects are exported as RS Pointcloud objects.
[Blender] Fixed a fatal error at the end of the IPR mode, related to the elimination of invalid tracesets.
[All] Fixed a bug that would cause a crash when disabling meshes in proxies
[All] Fixed a bug that prevented using negative values in vector volume grids
[All] Fixed a bug that caused black spots in volumes
[All] Fixed a bug that caused incorrect transformations at certain object orientations when using the OSL transform() function
[All] Fixed a bug that caused a crash with volume grids that have 0 voxels
[All] Fixed a bug introduced recently for shader-based sprite cut-outs that could cause the loss of the stencil map after VRAM reset
[All] Fixed a bug that could cause artifacts for shader-based sprite cut-outs that are instanced
[All] Fixed an issue that could cause the appearance of seams when using anistropic specular in the OpenPBR material
[All] Upgraded OIDN to version 2.3.3
[Cuda] Added Blackwell support (including Altus and OIDN)
[Alembic Procedural] Added flag to force the tessellation of any polymesh object, not only subdmeshes
2025.4.2 (2025.04)
Release Notes
[C4D] Fixed rare crash when resizing the viewport while viewport IPR is active
[C4D] Fixed bug where certain shader connections would cause a fatal assertion in the core
[Houdini] Fixed a bug that could cause instability when rendering hair
[All] Fixed a bug that could cause a crash when using Custom AOVs in progressive render mode
[All] Fixed a bug that would cause corrupt AOVs when rendering toon shaders with Cryptomatte or DeepEXR enabled
[All] Fixed a bug introduced in 2025.4.0 that could reduce performance and cause asserts when rendering hair meshes
[All] Fixed a bug where the wrong projection was used during displacement
[All] Fixed a bug introduced in 2025.4.0 that broke pre-converted sprite stencil textures
[All] Fixed a bug introduced in 2025.4.1 that would cause a crash when rendering Cryptomatte or DeepEXR scenes with no meshes
2025.4.1 (2025.04)
Release Notes
[Maya] Added support for Maya 2026
[Maya] Fixed bug with USD Proxy not rendering correct frame of animated USD file.
[Maya] Fixed bug with USD Proxy having invalid material when changing the Material Mode from "From Proxy" to "From Scene" and then back.
[Max] Added support for 3ds Max 2026
[Max] Added support for RS Surface Tangent shader
[Max] Fixed bug where emission did not work when using 3ds Max built-in OpenPBR Material
[Houdini] Added support for Houdini 20.5.550 and dropped support for 20.5.445
[Hydra] Added support for Solaris 20.5.550 and dropped support for 20.5.445
[Katana] Fixed bug that could affect the volume shader ramp parameters with default values
[Blender] Added support for Blender 4.4. You must use version 4.1.0 of our plug-in
[All] Fixed bug introduced in 2025.4.0 that broke specular anisotropy when driven by procedural uv-based tangents
[All] Fixed potential race-condition bug that could cause corrupted shader-driven sprite node textures
[All] Reverted bug fix that went into 2025.2.0, which inadvertently prevented user-data driven particle texture sampling from working
[All] Added full support for "Fresnel Affects Shadow" advanced option in new OpenPBR material
2025.4.0 (2025.04)
Release Notes
[C4D] Improved the viewport and export fidelity of Nodes materials through automatic baking. This can be enabled through an new option the preferences
[C4D] Fixed bug on Linux that prevented material import from working when using 3rd-party object formats such as GLTF
[C4D] Fixed bug causing horizontal stripes in shader previews, when using small scene units
[C4D] Fixed bug causing blank shader previews in Nodes under certain conditions
[C4D] Fixed bug causing missing or incorrect UVs when using the node Solo option
[C4D] Fixed bug causing to incorrect blur in Pyro volumes with velocity (Cinema 4D 2025)
[C4D] Fixed a UI glitch in the RSLight object list in the Project tab
[C4D] Fixed crash when generating tangents under certain conditions
[C4D] Simplified the material preview modes in the preferences
[Maya] Added Redshift Material View to Hypershade
[Maya] Added support of Alembic files in RS Proxy
[Maya] Support frame offset for USD Proxy.
[Maya] Support material override for USD Proxy.
[Maya] Support visibility flags overrides for USD Proxy.
[Maya] Support ObjectID override for USD Proxy.
[Maya] Fixed USD procedural n-gons displayed in viewport sometimes having wrong normals.
[Maya] Handle USD procedural having invalid file path.
[Maya] Fixed USD procedural bbox not updating.
[Maya] Fixed crash caused by some USD files missing certain data.
[Maya] Fixed .usda files being not visible in file selector in proxy node.
[Max] Added support for Autodesk OpenPBR Material
[Max] Changed default values for area lights: "Block Rays" is now off and "Camera Contribution" is now zero
[Max] Fixed bug where displacement is ignored when using RS Material Output
[Max] RS Scene Converter: Added tool to convert RS Material to RS Standard Material
[Max] RS Scene Converter: Support VRayMtl to RS Standard Material
[Max] RS Scene Converter: Support CoronaLegacyMtl to RS Standard Material
[Max] RS Scene Converter: Support CoronaPhysicalMtl to RS Standard Material
[Max] RS Scene Converter: Support CoronaColorCorrect
[Houdini] Added support for Houdini 20.5.522 and dropped support for 20.5.410
[Houdini] Added support for variants to the USD Procedural node
[Houdini] Added support for multiple materials override to the USD Procedural node
[Houdini] Added support for vertex attributes on hair curves
[Houdini] Added support for IPR updates of the Alembic procedural OBJ level options
[Houdini] Changed default values for area lights: "Camera Contribution" is now zero
[Houdini] Updated GUI of the volume velocity grids options to handle vector or scalar grids easily
[Houdini] Fixed bug that could affect the rendering of packed procedural alembics from multiple threads
[Houdini] Fixed IPR crash after deleting all procedurals in the scene
[Houdini] Fixed several issues in the viewport Render Region tool
[Hydra] Added support for Solaris 20.5.522 and dropped support for 20.5.410
[Hydra] Added support for variants to the Redshift USD Procedural LOP
[Hydra] Added support for multiple materials override to the Redshift USD Procedural LOP
[Hydra] Added support for vertex attributes on hair curves
[Hydra] Added support for rendering SOP volumes and COP/Copernicus textures on MacOS
[Hydra] Changed default values for area lights: "Camera Contribution" is now zero
[Hydra] Updated GUI of the volume velocity grids options to handle vector or scalar grids easily
[USD Procedural] Added support for variants
[USD Procedural] Added support for .usd file content updates
[USD Procedural] Added support for assigning and overriding materials
[USD Procedural] Improved IPR transformations update performance, which was previously done by reloading the assets
[USD Procedural] Fixed bug that could cause a crash while rendering the same asset from several procedural instances
[Katana] Added support for vertex attributes on hair curves
[Katana] Changed default values for area lights: "Camera Contribution" is now zero
[Katana] Fixed bug that could affect the material resources if used in several assets
[Blender] Added 'User prefix' and 'Frame padding' options to 'Scene as Proxy' and 'Object to proxy' interface panels.
[Blender] We added new RS Proxy items lists to the Proxy import interface that allows the user selecting the objects they want to exclude from the render.
[Blender] Changed default values for area lights: "Block Rays" is now off and "Camera Contribution" is now zero.
[All] Added rotation parameter to Maxon Noise shader
[All] Added support for the OpenPBR material surface shader
[All] Added new energy conserving Oren-Nayar diffuse model "EON" to Standard Material
[All] Added new SurfaceTangent query shader, to complement the OpenPBR shader
[All] Fixed a bug that would cause a crash when failing to load proxies
[All] Fixed a bug that prevented volume motion blur to be correctly calculated for proxy files
[All] Fixed a bug that caused a crash when a volume attribute node is connected to Standard Volume displacement scale input
[All] Fixed a bug that caused crash when enabling/disabling volume grids
[Alembic Procedural] Added support for vertex attributes on hair curves
[Alembic Procedural] Fixed crash from assets with velocity attributes when the motion blur is disabled
2025.3.0 (2025.02)
Release Notes
[C4D] Fixed bug where the Reference node in Nodes materials, may produce inconsistent results under certain conditions
[C4D] Fixed bug where scroll-bars in the RenderView UI would appear stuck
[C4D] Fixed bug where certain changes to the Matrix object would not be detected during IPR
[C4D] Fixed bug where unchecking the Source Objects Visible option in the Particles section of the RSObject tag would not be effective under certain conditions
[C4D] Fixed naming inconsistency when specifying the velocity grid names for C4D Volumes through the RSObject tag's Motion Vector section.
[C4D] Improved the RSObject tag, which will now detect the velocity grids names automatically when first created on C4D volume objects
[Maya] Added support of USD files in RS Proxy
[Maya] Fixed RS Proxy file not always updating displayed mesh when file name is changed
[Maya] Fixed denoiser settings in RV not being synced with denoiser settings in RSOptions
[Maya] Fixed bug with having wrong color when using multiple color set
[Maya] Fixed crash triggered by empty color set
[Maya] Enabling Motion Vectors AOV also enables legacy motion blur sampling and fake 2-step transformation
[Max] Fixed bug where background is not applied to saved render output when in composite modes
[Max] Fixed bug in RS Random Material Switch and RS Random Color Switch where the weight control is not visible when there are 10 inputs
[Houdini] Added support for Houdini 20.5.487 and dropped support for 20.5.370
[Houdini] Added support for nested camera switcher nodes
[Houdini] Added new option in the RenderView Houdini tab to copy the render region to the current ROP camera
[Houdini] Added support for rendering the AOVs to MPlay even with postfx or denoising enabled
[Houdini] Added support for the OIDN denoiser to the viewport IPR
[Houdini] Updated color and icons of the RS light nodes
[Houdini] Fixed bug that could affect the IPR updates after rewiring shader nodes, especially after any Undo
[Houdini] Fixed bug that could affect the Unreal and Houdini Engine assets with Redshift object parameters
[Houdini] Fixed bug that could affect the MPlay AOVs while rendering in progressive mode
[Houdini] Fixed bug that could affect the RenderView and camera node params sync while working with relative camera paths
[Houdini] Fixed precision issue while computing the camera FOV from the screen window parameters
[Houdini] Fixed crash after closing the RenderView while rendering to Disk/MPlay
[Hydra] Added support for Solaris 20.5.487 and dropped support for 20.5.370
[Hydra] Added support for the Visualize VOP node in Solaris for debugging shader networks
[Hydra] Added support for up to 64 uv maps, previously limited to 8
[Hydra] Improved OIDN viewport denoising done from the first sample
[Hydra] Fixed bug that could affect the updating of the texture nodes with empty file strings
[Hydra] Fixed bug that could affect the "Use Velocity Grids" object settings option
[Hydra] Fixed bug that could affect the Redshift LOP custom AOV options
[Hydra] Fixed bug that could affect the postfx and denosing of the proxy scenes
[Hydra] Fixed rare bug that could affect the pre-processing of some textures
[Hydra] Fixed bug in the RS PhysicalSky HDA transformations
[Hydra] Fixed bug in the Redshift LOP node EXR compression options
[Hydra] Fixed bug in the Redshift LOP node option to disable the motion blur
[Hydra] Fixed the edit menu param types in the Solaris nodes Redshift parameters
[Hydra] Updated the Proxy, Alembic and USD procedurals primitives file param type from string to asset
[Hydra] Added camera selector switch to the Redshift LOP node
[Hydra] Added selection arrow button to the Redshift LOP node Default Contour param
[USD cmdLine] Added support for denoising and postfx
[USD cmdLine] Added support for the UsdPreviewSurface materials
[USD cmdLine] Fixed bug that could affect the image file output relative paths
[USD cmdLine] Fixed bug that could affect the alpha channel of the main beauty AOV
[USD cmdLine] Fixed bug that could affect rendered frame number
[USD cmdLine] Fixed several "Coding Error" messages
[USD Procedural] Added new build "USD_24.08" compiled against the 24.08 USD libs included in the core
[USD Procedural] Added option to select the USD Purpose to be used in the viewport
[USD Procedural] Added support for bouding box viewport preview for point instancers
[Katana] Added option to the RedshiftObjectSettings node to reverse the polygons winding order
[Katana] Fixed bug that could affect the denoising default settings
[Blender] Fixed unexpected Blender crash due incompatibilities between 'Diffuse Filter' AOV and 'Hair Min Pixel Width' in 'Progressive' render mode.
[Blender] Fixed fatal error on Mac with Blender versions 3.6.x when the 'GPU Backend' option was not 'OpenGL'.
[Blender] Fixed a bug with camera object scaling that affected Clip Star and Clip End values.
[Blender] Added 'Frame padding' option to Image settings panel. This allows the user to define the number of padding characters for the frame number in the output file name.
[RT] Improved sampling of rectangle lights
[All] Added Volume Extinction and Anisotropy falloff options to the volume shaders
[All] Added displacement option to the Standard Volume shader
[All] Removed background option for dome lights and visible options for area lights
[All] Added camera contribution scale option to area and dome lights, "Blocks Rays" option to area lights and legacy "Area Light Visibility" option
[All] Fixed a bug where the state node with object transformation space would yield incorrect results in the direct lighting
[All] Fixed a bug where the opacity input of area lights was ignored by indirect lighting rays, introduced in 3.6.00
[All] Fixed ancient bug that could prevent mesh trace sets from refreshing in IPR mode
[All] Fixed a bug where transparent objects would cast an opaque shadow for textured dome lights, introduced in 3.6.00
[All] Fixed a recently introduced sprite texture dimension limitation that would affect CUDA/HIP/CPU platforms
[All] Fixed a bug that would prevent correct shader updates when using Standard Volume shader node
[All] Fixed a bug that would cause a crash when reading color user data via the integer user data node
[Alembic Procedural] Added support for MacOS Apple Silicon
2025.2.2 (2025.01)
Release Notes
[Houdini] Added support for Houdini 20.5.445 and dropped support for 20.5.332
[Hydra] Added support for Solaris 20.5.445 and dropped support for 20.5.332
[Katana] Added support for Katana 7.5v1 and 8.0v1 and dropped support for Katana 4.5
[Metal] Fixed problem that made Redshift fail on M2 Ultra on MacOS 13
[All] Fixed a crash when instancing area lights through proxies, introduced in 3.6.02
2025.2.1 (2024.12)
Release Notes
[Metal] Fixed bug that caused long startup times on M4 machines
[All] Fixed a bug where the initial installation of Redshift could lead to a crash
2025.2.0 (2024.12)
Release Notes
[C4D] Fixed alpha output of Distorter shader
[C4D] Added support for physical units to the Substance Node
[C4D] Added support tri-planar projections directly in the Substance Node
[C4D] Improved the material picking in the RenderView which will now select all relevant materials when stacking is used on a given face
[C4D] Fixed bug in the denoiser overhead control, resulting in the denoiser being applied too often in some cases
[C4D] Fixed bug with Node materials failing to access Vertex Map tags within X-Refs
[C4D] Fixed bug where the RS Light opacity texture would be ignored from "Save Project with Assets"
[C4D] Fixed bug where material stacking on certain objects would lead to an assertion
[C4D] Fixed bug in the tangent generation that could lead to a crash under certain conditions
[C4D] Fixed bug leading to an assertion when using a color attribute in conjunction with the new particle system in C4D 2025.
[C4D] *** IMPORTANT *** The minimum required version for the 2025 plugin has been increased to Cinema 4D 2025.1
[Maya] Fixed crash triggered by having an empty mesh in the scene
[Maya] Fixed IPR "looping" (restarting for no good reason) when MB is enabled
[Maya] Fixed commandline render having wrong output file extension when run from Mayapy
[Maya] Fixed renaming OSL shaders breaking UI
[Maya] Fixed referenced OSL shaders having broken UI
[Maya] Modified unified sampling threshold slider to behave logarithmically
[Max] Added toggles that allow RS Material Output ports to be enabled or disabled
[Max] Fixed bug where CausticsEnabled render property exposed to MAXScript did not work
[Max] Fixed bug where CausticsOverridesReflectionsEnabled and CausticsOverridesRefractionsEnabled render properties exposed to MAXScript did not work and also had the wrong name
[Max] Fixed bug where 3ds Max could crash when loading a render preset
[Houdini] Added support for Houdini 20.0.896 and 20.5.410 and dropped support for 18.5.759 and 20.5.278
[Houdini] Fixed bug that could affect the camera's overscan offsets
[Houdini] Fixed bug that could affect the RenderView noisy AOV when the denoise overhead is 0
[Houdini] Fixed crash when rendering USD or user procedural objects without a valid file
[Houdini] Fixed rare crash when reloading or creating new scenes if Redshift is installed
[Houdini] Fixed issue in the Altus denoiser, that has to be disabled in progressive rendering mode
[Houdini] Fixed bug that could affect the Altus denoiser additional buffers output files
[Hydra] Added support for Solaris 20.0.896 and 20.5.410 and dropped support for 18.5.759 and 20.5.278
[Hydra] Fixed bug that could affect the motion blur of camera's focal length parameter
[Hydra] Fixed bug that could affect the cmd line rendering of proxy scenes in progressive mode with denoising enabled
[Hydra] Fixed bug that could affect the aspect ratio conform policy parameter
[USD Procedural] Renamed procedural deploy directories as "Solaris_xx.xx"
[USD cmdLine] Added redshiftUsdCmdLine tool used to read .usd files and render them to disk using Redshift
[Blender] Fixed inconsistencies in the behavior of the mesh flag's 'Self Shadows'.
[Metal] Fixed a bug where dispersion was incorrect
[Metal] Added support for macOS Sequoia
[RT] Improved first frame denoising, particularly in tough scenes
[RT] Improved convergence and firefly handling
[RT] Improved Anti-Aliasing esp. for bright light edges
[RT] Added new Global Light Sampling option, which improves convergence and allows thousands of (quadratic falloff) lights
[All] Removed license checks from altus-cli
[All] Added new Random Color Switch and Random Material Switch shaders
[All] Fixed a bug where area light opacity would not be applied for light group AOVs
[All] Fixed a bug where proxies with multiple mesh lights were not rendered correctly when instanced as render instances
[All] Fixed a bug where thin walled surfaces were incorrectly using the new transmission direct lighting introduced in 2025.0.0
[All] Fixed shader resource (textures etc) leak, introduced in 3.6.00
[All] Fixed transmission direct lighting legacy compatibility issue introduced recently for portal lights
[All] Fixed a bug where a TriPlanar node wired into another projection node would cause artifacts
[All] Fixes for potential instability on CPU and Metal M3 devices
[All] Fixed a bug with transmission direct lighting in combination with area light spread, introduced in 2025.0.0
[All] Update to CUDA 12. This requires at least driver version 551.78 on Windows and 550.54.15 on Linux.
[All] Added backfacing options to Contour shader
[All] Fixed relatively recently introduced bug that could cause a crash when low on VRAM
[All] Added support for OIDN 2.3.0 bringing support for GPU-based denoising for CUDA, HIP and Metal (for Apple Silicon)
[All] Fixed artifacts when rendering the Toon Material on Apple Silicon devices
[All] Fixed a bug where a camera that's very close to the volume bounding box limit, would create GI artefacts
[All] Fixed a bug in the displacement shader when deformation blur is enabled, with noise or uv-projection shaders
[All] Fixed a bug in the displacement shader that caused incorrect tri-planar projections in world or reference space
[All] Fixed a bug that could cause VRAM resets (and laggy IPR) after deleting textured objects
2025.1.1 (2024.10)
Release Notes
[C4D] Fixed bug in ShaderGraph-based Light Materials
[Max] Fixed issue preventing Redshift from loading in certain versions of 3ds Max
2025.1.0 (2024.10)
Release Notes
[C4D] Added support for Light Materials in Nodes
[C4D] Material previews in Nodes will now use a 2D plane for certain shaders
[C4D] Fixed crash when replacing the original objects after a proxy is exported
[C4D] Fixed bug leading to incorrect RSLight object handles in the viewport
[C4D] Fixed bug in TeamRender single-frame mode, where an incorrect image file extension was used for the Multi-Pass image
[C4D] Fixed bug where the order of images added to a MultiShader from a folder, was inconsistent
[C4D] Fixed bug leading to redundant baking of substances under certain conditions
[Maya] Added support for Maya native standardSurface shader
[Maya] Added support for Maya 2025 on Linux
[Maya] Fixed crash when xgen was loaded after redshift on linux and macOS
[Maya] Fixed bug with redshiftGetRedshiftOptionsNode() message being spammed in the script editor under certain scenario
[Max] Fixed bug where GI was disabled by default on instanced objects
[Max] Fixed bug where RGBA values were not saved for RS Distance, RS MatCap and RS Color Correct shaders
[Max] Fixed Deadline issue: Using Cryptomatte or Beauty AOVs in a scene caused other AOVs to receive incorrect filenames
[Max] Fixed Deadline issue: Beauty AOV filenames would receive no frame numbers
[Max] Fixed Deadline issue: Cryptomatte AOV filenames would not use the correct frame number format
[Max] Fixed Deadline issue: Unused buffers would be written to file for AOVs with global light group set to 'None' or 'Remainder'
[Max] Fixed Deadline issue: When Redshift EXR Output is enabled, some render output files could be subsequently overwritten by Deadline
[Max] Fixed Deadline issue: When Redshift EXR Output is enabled, the main output filename would not use the correct frame number format
[Houdini] Added support for the "REDSHIFT_OVERRIDE_LOG_LEVEL" env. variable to override the RS log error level in a range of 0 to 6
[Houdini] Fixed bug that could affect motion blur of the volume instances
[Houdini] Fixed a crash when rendering instances of volumes without valid grids
[Hydra] Added support for live or single process updates of the UsdSkel deformations
[Hydra] Added support for volume scattering tint shaders from nodes connected to the "Volume" output
[Hydra] Fixed bug that could affect the stability of the Jitter shader in "Name ID" mode
[Hydra] Fixed bug that could affect motion blur of the volume instances
[Hydra] Fixed bug that could affect the EXR layer names of the exported proxy scenes
[Hydra] Fixed bug that could affect the AOVs denoising of the exported proxy scenes
[Hydra] Fixed problem in the Solaris 20.5.332 DomeLight Redshift parameters
[Katana] Fixed several bugs that could affect the volumes and volume instances motion blur
[Katana] Fixed bug that could affect the live rendering feature on Katana 6.5
[Blender] Completed Distance shader implementation by adding support for 'traceset' parameter.
[Metal] Fixed an issue that caused VRAM resets in IPR when using dome lights on M3 Pro/Max
[RT] Improved light sampling
[All] Added a new alternative shading normal adaptation technique
[All] Fixed texture mapping for sphere and cylinder lights and added legacy switch option for older scenes
[All] Added "Tile Scale Bias" option to the Tonemap Pattern shader for the Custom mode
[All] Fixed a bug where displacement would be broken on HIP devices
[All] Fixed a bug where loading certain PSD files would lead to a hang
[All] Upgraded OpenImageIO to version 2.5.15
[All] Fixed an OptiX-related issue where zero size particles with motion didn't render correctly
[All] Fixed shader resource (textures etc) leak, introduced in 3.6.00
[All] Added new interior color option for Distance shader
[All] Fixed a bug where the projection node would produce incorrect results on HIP devices
[All] Upgraded OpenVDB to version 10.1.0
[All] Fixed a bug where using spot light with a non-attenuating Volume Scattering would cause artefacts
[All] Fixed an OptiX-related crash during startup when certain legacy Nvidia drivers are used
[Maya+RT] Fixed a bug where hair shadow was being rendered in front of objects
2025.0.2 (2024.09)
Release Notes
[All] Fixed a bug that could cause a crash with assert message "Cannot accommodate so many pushes of the context" or "Exceeded context stack depth!"
2025.0.1 (2024.09)
Release Notes
[All] Fixed bug that could cause instability when rendering using Metal or CPU devices
[All] Transmission direct lighting now has feature parity with the legacy sampling technology, fixing double-lighting issues
2025.0.0 (2024.09)
Release Notes
[C4D] Improved the image file UI, which will now show the effective color-space when Auto is selected. Also improved the performance for large images
[C4D] Picture Viewer renders will now preview certain Post-FX types while a render is in progress
[C4D] Fixed crash when generating tangents, and addressed a performance regression
[C4D] Fixed crash when connecting nodes to the scale/rotation inputs of the Substance Node
[C4D] Fixed bug causing an incorrect channel being output by the Substance Node
[C4D] Fixed bug when rendering C4D volumes in conjunction with the Connect object
[C4D] Fixed bug where Pyro volume changes would not be detected by the IPR when first started
[C4D] Removed support for legacy C4D versions R21, S22, R23 and S24
[Maya] Fixed module file deploy on macOS for Maya 2024 and 2025
[Maya] Added support for GPU Cache scene object
[Max] Render View is no longer hidden in Network Render Server mode (Backburner, 3dsmaxcmd, etc) when the 3ds Max option Show Rendered Frame Window is enabled
[Max] Added missing toon ray contribution controls for area lights, dome and portal
[Max] Removed obsolete Photon GI render options from MAXScript interface
[Houdini] Added support for Houdini 20.5.278 and 20.5.332 and dropped support for 18.0.597
[Houdini] Added support for the new H20.5 Copernicus nodes
[Houdini] Added support for relative paths to the lights list shader parameters
[Houdini] Added support for IPR mesh updates from VOP nodes inside the Attribute VOP node
[Houdini] The REDSHIFT_DISABLE_VIEWPORT_RENDERING env. variable now disables all the viewport plugins as a fix for a rare crash when creating new scenes
[Hydra] Added support for Solaris 20.5.278 and 20.5.332 and dropped support for 18.0.597
[Hydra] Added support for the H20.5 Copernicus nodes to both interactive and batch rendering
[Hydra] Added support for the H20.5 point instancer based lights instancing
[Hydra] Several improvements and fixes to all the Redshift LOPs and Redshift options tabs
[Hydra] Fixed bug that could affect the rendering of ramp nodes in assets created with RS 3.5.xx
[Katana] Added support for Katana 6.5v3
[Katana] Fixed problem in the Material node logic to expose the Contour shader
[Blender] Fixed issue that enabled auxiliary AOVs for denoise even when Denoise engine are disabled.
[RenderView] Fixed issue where render region could be edited while disabled by Redshift RT
[Metal] Fixed a bug that caused broken Toon material on AMD GPUs
[Metal] Fixed a crash when using sprite nodes with hardware ray tracing
[HIP] Updated HIP Compiler on WIndows to 6.1.2. This updates the recommended driver for AMD GPUs to 24.Q3
[CPU] Fixed a bug causing point cloud primitives to not be rendered
[RT] Fixed a bug that led to raytracing based shaders not working for meshes with flipped normals
[RT] Improved sampling of raytracing based shaders
[RT] Improved light sampling, now scales to many lights
[All] Increased minimum Maxon App version from 2024.2 to 2024.5
[All] Added support for Brute Force caustics as an alternative to Photon-mapped caustics
[All] Brute Force caustics now kick in during progressive rendering
[All] Added global overrides for caustics to quickly enable/disable them scene-wide
[All] Overall caustics casting capability is now opt-in, instead of opt-out
[All] Added finer control for reflection/refraction caustics casting
[All] Fake/diffuse GI energy conservation for reflections automatically supplanted by caustics casting
[All] Standard Material now supports MIS direct lighting for transmission
[All] Fixed bug that caused incorrect light intensity when 'spread' is less than 1
[All] Fixed a bug that caused a crash reading proxy files with nested point cloud instances
[All] Fixed a bug that caused flickering when spot lights used with volumes
[All] Added option for scene wide Contour shader to render settings
[All] Added support for tonemapping to Contour shader
[All] Added alpha mask to Contour shader with pencil and fountain pen mode
[All] Added option for custom pattern to Tonemap Pattern shader
[All] Fixed a crash where volumes are rendered with IPR and continous update
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