Release Notes

Older Versions:

2026.7 (2026.06)

Release Notes

[C4D] Fixed numerous texture displacement bugs that could occur when overriding material tag UV projections with Redshift UV Contexts
[C4D] Fixed Material Tag incorrect UV offset bug introduced in 2026.5.0 when in the new 'native' mode
[C4D] Added limited support for Material Tag 'repetitions' control for UVW sources
[C4D] Added the possibility to render any mesh's vertices as particles.
[C4D] Fixed a bug that would update the RenderView's posteffects incorrectly on scene or camera switch.
[C4D] Modify all uvw Tag access in plugin to be compatible with new uv editor
[C4D] Fixed a bug where toggling default light wouldn't update scene lights
[C4D] Fixed a bug where the RenderView would scale the image incorrectly when display scaling is enabled
[C4D] Fixed a bug when rendering cryptomatte AOVs to the PictureViewer with an empty path for saving the files
[C4D] Fixed a bug when rendering single frames on TeamRender Server with the native OCIO view transform applied
[Maya] Material Swatch Preview render is now not blocked by main render / IPR / Material Viewer
[Maya] Fixed bug with device selection when using Hybrid
[Maya] Fixed bug with IPR not reacting to changes in defaultRenderGlobals settings (e.g. toggling default light on/off)
[Maya] Fixed crash sometimes happening when IPR and MV are running at the same time
[Maya] Changed time offset input for Sun and Sky and Night Sky from integer value sliders to float ones and allowed negative values
[Houdini] Added support for JSON Package files for easier installation and updates of the plugin
[Houdini] Fixed bug that could affect the default light toggling IPR update
[Houdini] Fixed bug that could affect the direction of the sun light in altitude+azimuth mode
[Hydra] Added support for JSON Package files for easier installation and updates of the plugin
[Hydra] Fixed bug that could affect the direction of the sun light in altitude+azimuth mode
[Hydra] Fixed bug that could affect the Live Render Region in Solaris
[Vectorworks] Added a message in "Redshift Live" when switching layer visibility
[Vectorworks] Fixed an issue where light brightness was not respecting symbol light brightness override
[Vectorworks] Fixed an issue where light in symbol was disappearing in "Redshift Live" when symbol brightness override was modified
[Vectorworks] Fixed an issue with disappearing assets while editing symbol
[Vectorworks] Added support for Korean, Spanish and Chinese (simplified) languages
[Vectorworks] Fixed an issue whith IES lights not updated in realtime in Redshift Live when replaced in Vectorworks
[Vectorworks] Improved workflow. The Redshift windows will now close when you change to a sheet layer or change the projection that is not compatible with Redshift.
[Vectorworks] Fixed an issue with Fundamental license that caused the progress dialog to block operations after the initial sync.
[Revit] Added Autodesk Revit support for versions 2024, 2025, 2026 and 2027
[ArchViz] Fixed an issue with camera names not matching the view names when sent to Cinema 4D
[ArchViz] Fixed an issue where Move Tool gizmo would not scale with window size
[ArchViz] Fixed an issue where resyncing the plugin would cause material previews to be black
[ArchViz] Fixed an issue where selecting the "Rename" command in the material manager from the context menu would open a new dialog window
[ArchViz] Fixed an issue where panning, orbiting, scaling, or scrolling in walk mode would not automatically switch to fly mode
[ArchViz] Improved Camera and Navigation tool window to be more consistent with our design language
[ArchViz] Added controls for Depth of Field in Camera and Navigation tool window and camera settings
[ArchViz] Added "Context Aware" toggle to Library panel, it gives you recommandation of assets based on the current viewport
[ArchViz] Added "Angle of View" controls to Camera settings
[ArchViz] Fixed an issue which lead to move tool circle gizmo inputs often not being registered
[ArchViz] Fixed a bug where dragging an hdri in the viewport wasn't recognised
[ArchViz] Fixed an issue where creating a view while a slide is active resulted in a corrupted view
[ArchViz] Fixed a bug where scattered assets got deformed when using the Align option
[ArchViz] Improved scatter coverage when using 100% density and low collision radius
[Live] Added support for Depth of Field
[Live] Fixed a potential crash when using materials with noise connected to the displacement node
[Live] Fixed a potential crash when using scenes with a high instance count and a large number of transparent materials
[Live] Fixed a crash when using textures that are 16k in resolution
[Live] Fixed license error in Solaris
[All] Added random flip option to hex tiling
[All] Fixed a crash when using OpenPBR materials with emission and coat darkening
[All] Fixed an issue that caused area lights to turn invisible after changing the light's material
[All] Added support for DisplacementBlender node with texture displacement
[All] Fixed a crash that occured when baking a mesh with extremely large UVs
[All] Fixed issues when applying rotations to normal maps through UV Context Projection nodes
[All] Improved performance when using hex tiling
[All] Added a legacy flag for the OpenVDB volume shift bug fix from 2026.6.0
[All] Improved non-volumetric cloud rendering with adding aerial perpective to clouds
[All] Fixed bug that could cause a crash on the CPU version when a specular IOR of 0 is used
[All] Improved the quality of 'smart baking' texture displacement resolution under certain circumstances
[All] Fixed a crash that occured when baking a mesh with degenerate UVs
[All] Fixed a bug that could cause wrong uv texture displacement on meshes with multiple materials assigned
[All] Fixed a bug that would incorrectly calculate Sun and Moon positions with fractional time offsets
[All] Fixed bug that would cause different-looking results between vertex and texture displacement, when using color displacement textures
[All] Fixed a bug where the Monitor Color Space in the RenderView did not work
[All] Fixed a bug that could cause a crash when baking uvs derived from a camera projection
[CUDA] Upgraded OptiX to version 9.0.0 requiring NVIDIA drivers to be updated to 570 or higher

2026.6.2 (2026.05)

Release Notes

[C4D] Fixed a bug where the device selection via the CommandLine did not work.
[Max] Fixed corrupt display of color swatches in 3ds Max 2027 when color management mode is set to Gamma Workflow
[Max] Fixed bug where material displacement does not flow through Autodesk Material Switcher
[Max] Fixed bug where changing materials connected to Multi/Sub-object Material does not update IPR
[Max] Fixed bug that could crash 3ds Max when a chain of materials results in a surface shader that is not a material

2026.6.1 (2026.05)

Release Notes

[ArchViz] Fixed a licensing issues for trial users

2026.6 (2026.05)

Release Notes

[C4D] Fixed a crash when materials containing a sprite node were stacked
[C4D] Fixed material tag U Offset not working in spherical or cylindrical projection
[C4D] Rework behaviour of locking the camera in the RS RenderView, enable possibility to change the camera for non-interactive rendering
[C4D] Start or stop the RSRV IPR when switching documents, depending on the preference setting
[C4D] Refactored the code for creating material presets and added several new presets under the Presets submenu.
[C4D] Fixed a crash when rendering light material previews
[C4D] Fixed a bug that caused RS Night Sky to create black artefacts when rendered with motion blur.
[C4D] Fixed the object/camera picker not working on linux
[C4D] Fixed a rare crash when assiging a material to a dome light.
[Maya] Added support for Maya 2027
[Maya] Added Moon Direction gizmo to Sun and Sky node in viewport
[Maya] Fixed crash happening on Mac when opening legacy scenes containing an RS proxy
[Maya] Updated the shelf button responsible for creating and assigning a material to the selected object to use RS OpenPBR node instead of RS Standard Material
[Max] Added support for 3ds Max 2027
[Max] Added toolbar button to that assigns a new Redshift OpenPBR Material to the current selection
[Max] Fixed bug introduced in 2026.4.0 where scenes configured with Redshift EXR file output can have frames on disk overwritten when rendering shaderballs
[Max] Fixed bug in Redshift Converter when using 'Add RS Bump Map to bump slots' utility with RS OpenPBR Material
[Max] Fixed bug where Night Color parameter appears twice in the RS Sun and Sky user interface -- removed from Atmosphere rollout
[Houdini] Added support for Houdini 21.0.671 and 21.0.700 and dropped support for 21.0.559 and 21.0.596
[Houdini] Added support for more point attributes to control the light instances
[Houdini] Added new button to the Redshift shelf to create/assign a default Redshift material
[Houdini] Added rendering color space options to the Redshift Proxy Output node
[Houdini] Material builder nodes updated to use the OpenPBR material by default
[Houdini] Fixed bug that could affect the GUI logic of several sampling render settings in the RS ROP node
[Houdini] Fixed bug that could affect the IPR COP2 textures updates
[Houdini] Fixed bug that could affect the Sun&Sky Time Offset float values
[Houdini] Fixed bug that could shift the internal "vdb" and "volume" primitives by half a voxel
[Hydra] Added support for Solaris 21.0.671 and 21.0.700 and dropped support for 21.0.559 and 21.0.596
[Hydra] Added "Redshift Quick Material" LOP node
[Hydra] Added support for orthographic camera zoom motion blur effect
[Hydra] Fixed bug that could affect the perspective camera zoom motion blur effect while rendering to mplay/disk
[Hydra] Fixed bug that could affect the camera motion blur if the Shutter Open param is set to 0.0
[Hydra] Fixed bug that could affect the Sun&Sky Time Offset float values
[Hydra] Fixed bug that could affect the wrong rendering of the prototypes when instancing proxy or procedural assets
[Hydra] Fixed bug that could affect the volumes velocity grids when imported from SOP
[Hydra 2.0] Added support for UsdRenderPass primitives and Solaris Render Pass LOP
[Hydra 2.0] Added support for instances light linking (limited to the same linking for all instances in a group)
[Hydra 2.0] Redshift LOP updated to support render passes
[Katana] Fixed bug that could affect the Sun&Sky Time Offset float values
[Vectorworks] Added an option to remove all Redshift Data from the Vectorworks document
[Vectorworks] Added an option to save a copy of the Vectorworks document without the Redshift data
[Vectorworks] Added support for saving in "Redshift Live" also save the Vectorworks document
[Vectorworks] Added a checkbox "Don't show again" to the save dialog box
[Vectorworks] Fixed incomplete wording for "Redshift" and "Vectorworks" on saved document popup
[Vectorworks] Fixed synchronisation sometimes leading do mixed of visibility items when multiple views were used
[Vectorworks] Fixed an issue where mesh light was not removed when the mesh was hidden from renderer
[Vectorworks] Fixed an issue where Vectorworks objects could be copy pasted in Redshift
[Vectorworks] Fixed an issue with Italian version not loading cineware properly
[Vectorworks] Fixed stability issue when mapping non-baked bricks materials
[Vectorworks] Fixed an issue with mixed strings using unsupported localized version
[ArchViz] Added an edit button for read only materials directly in the object's material list
[ArchViz] Added support for mulitple objects selection to Move and Selection Tool
[ArchViz] Added an AEC blocked process message when switching between views
[ArchViz] Updated Rotation Tool gizmo to only show the 3 colored ribbons
[ArchViz] Removed Rotation and Scale Tool mini-axis gizmo when doing a multi-selection
[ArchViz] Improved the look of the scatter brush over complex objects
[ArchViz] Improved the Camera UI by splitting its parameters into 2 tabs: "Camera" and "FX"
[ArchViz] Improved and unified the design of message pop-ups globally
[ArchViz] Fixed an issue where toggling the walk/fly mode would not apply gravity until the mouse is pressed
[ArchViz] Fixed an issue where changing the walk height slider would not update the camera position in real time
[ArchViz] Fixed an issue where pressing the WASD keys fast would sometimes cause the movement to stutter
[ArchViz] Fixed an issue where hidden scatter objects could be deleted after multiple synchronizations
[ArchViz] Fixed an issue where pressing a shortcut key immediately after clicking a tool would not switch to another tool
[ArchViz] Fixed an issue with updating the scatter surface link when switching view
[ArchViz] Fixed an issue with the scatter brush not being snapped on the correct surface
[ArchViz] Fixed an issue with loading a scatter preset after selecting a target surface
[ArchViz] Fixed an issue with using the same asset multiple times in a scatter
[ArchViz] Fixed an issue where duplicating slides in the storyboard didn't work when there is only one slide
[ArchViz] Fixed an issue where cloud presets didn't trigger on loading a preset
[ArchViz] Fixed an issue where undoing/redoing would not work when material override was deleted in Redshift Live
[ArchViz] Fixed an issue where Library panel gets shown when assets are deselected with ESC key
[ArchViz] Fixed an issue where an unexpected "overwrite" question dialog gets shown when rendering duplicated files with video formats
[Metal] Fixed a crash when using meshes that contain invalid geometry
[Live] Fixed a crash when loading textures with more than 4 GiB of raw data
[Live] Fixed a bug that caused dark blocky artifacts on specific GPUs (e.g. A6000) on specific resolutions
[Live] Fixed a bug that caused device removals in rare cases
[Live] Fixed a bug that caused UV coordinates to break when using displacement in Maya
[Live] Fixed a bug that caused artifacts when switching views
[Live] Fixed a freeze when going out of GPU memory
[All] Added new hex tiling option to UV Context Projection node
[All] Fixed a crash when using baking and modifying the scene during texture processing
[All] Fixed a bug that caused broken lighting with mesh lights when mm scene units are used
[All] Fixed a bug that caused zero light emission behind transparent objects when global fog is present
[All] Fixed a bug that caused unresolvable noise in the non-volumetric clouds
[All] Fixed a bug that would select the wrong object in the RS RenderView
[All] Fixed a bug that caused motion vector AOVs to be incorrect for scene units other than cm
[All] Fixed a bug that would shift OpenVDB volumes by half a voxel
[All] Fixed a bug that changing scene units would affect the volume motion blur
[All] Fixed a crash that happened when using connections to matrix inputs in OSL
[All] Fixed a bug introduced in 2026.5.0 that would cause a crash when rendering instanced objects that have texture displacement or baked sprites
[All] Fixed a crash that could occur when meshes with texture displacement or baked sprites have degenerate UVs
[All] Upgraded OpenVDB from 10.0.1 to 13.0.0
[All] Upgraded OpenImageIO from 2.5.10 to 3.1.11

2026.5 (2026.04)

Release Notes

[C4D] The minimum required version for the 2026 plugin has been increased to Cinema 4D 2026.2
[C4D] Fixed a bug that prevented UV Context transforms from overriding material tag tiling transforms
[C4D] Fixed a bug with the texture sampler node preview being flipped
[C4D] Added new default "native" Projection Mode to fix issues with Material Tag UV tiling incompatibilities with UV Contexts
[C4D] Implemented a faster connection/smoother navigation for the RS Live Viewport IPR (only for C4D 2026.2+)
[C4D] Updated the default material list under Preference -> Materials -> Default Material
[C4D] Fixed a bug where UDIMs were not correctly rendered when using TeamRender
[C4D] Fixed a bug where material stacks did not respect the UV Context of each material.
[C4D] Reordered material preset lists & make standard volume preset work out of box for pyro
[C4D] Updated Redshift Sun & Sky light to take "Use Non-Physical Intensity" parameter into account
[C4D] Fixed a bug that caused random black images when rendering heavy meshes with deformation blur enabled.
[Maya] Fixed bug where device selection ui was not working correctly when swithcing between Production and Live modes (or vice versa)
[Maya] Fixed bug with Display Log button on the shelf not working on Mac and Linux
[Max] Fixed bug introduced in 2026.0.0 where RS Proxy and RS Volume Grid references in trace sets or light exclusion lists are ignored
[Houdini] Fixed useless warning about not available LUT file
[Hydra] Fixed useless warning about not available LUT file
[Hydra] Fixed bug that could affect the name of the main multi-layered EXR file when {AOV} is used
[Hydra] Fixed bug that could affect the StoreToAOV nodes input connections inside the Edit Material LOP
[Vectorworks] Fixed an issue with updating the AEC placement tool's gizmo when an AEC asset was moved from Vectorworks
[Vectorworks] Fixed a crash when undoing multiple asset transforms
[Vectorworks] Fixed a crash when undoing multiple scatter brush stroke
[Vectorworks] Fixed an issue preventing to be able move an asset in Vectorworks
[Vectorworks] Fixed an issue with scatter's object being forced to be visible
[Vectorworks] Fixed an issue with emissive materials being not bright enough
[Vectorworks] Fixed an issue where object orientation was wrong on Move or Add Tool placement
[Vectorworks] Added blocked popup message for scatter objects that take long to compute
[Vectorworks] Simplified scatter tool UI, removed 'Coverage' and 'Spacing' parameters
[Vectorworks] Fixed a bug where the remove strokes done on a scatter object were not reset when hitting the 'Reset' button
[Vectorworks] Fixed a bug that caused a mismatch between the assets scattered in the Redshift viewer and their proxy representation in Vectorworks
[Vectorworks] Added information about unavailable target for surface scatter (e.g., when invisible in Vectorworks)
[Vectorworks] Fixed an issue preventing certain materials from being color corrected
[Vectorworks] Added the object's material assignment list in the material tab when the object is selected
[Vectorworks] Fixed a crash when undoing multiple material edit changes
[Vectorworks] Added auto open/close and auto height for task manager
[Vectorworks] Fixed missing separator between the render settings and the picture viewer
[Vectorworks] Fixed an issue where Vectorworks assets were unexpectedly displaying coordinates
[Vectorworks] Fixed a bug that caused the Stored Views UI Elements to react with a delay on resizing
[Vectorworks] Fixed an issue with the Stored Views docking position when moving the application window
[Vectorworks] Added a context menu entry in Stored Views to render a view
[Vectorworks] Added a context menu for Slides in the Storyboard allowing to copy, paste, delete and render
[Vectorworks] Fixed a bug that caused assets not moving when dragging the gizmo axis from far distances
[Vectorworks] Fixed an issue that caused material assets not being exported correctly to C4D
[Vectorworks] Fixed a crash when resyncing after applying the material sample transfer on an object
[Vectorworks] Fixed an issue that caused Stored Views material pasting not to respect all applied materials
[Vectorworks] Fixed an issue that caused the playback cycle icon options being inverted in the Storyboard
[Vectorworks] Fixed an issue where replacing a material on an asset inside a surface scatter would also replace materials on assets outside the surface scatter
[Vectorworks] Fixed an issue where the material list of an asset would be empty when placed inside a surface scatter
[HIP] Added experimental support for HIP Hardware Ray Tracing (HIP RT)
[All] Improved the quality of displacement when driven by UV projections
[All] Added preliminary UDIM/UVTILE support for texture-based displacement
[All] Added support for enhanced auto-bump mapping to improve the quality of bump mapping when used with displacement nodes
[All] Added support in Redshift Sun&Sky for night sky representation (stars, moon, milky-way) with accurate time/location controls
[All] Improved render startup performance in scenes with high primitive counts when using Hardware Ray Tracing
[All] Fixed several issues where texture displacement would disappear or show artifacts when using IPR in bucket mode
[All] Added support for mirror repeat mode to texture displacement if smart baking is enabled
[All] Fixed a bug that would cause a file read error in Linux systems due to file open flags
[All] Fixed an issue when rendering custom AOVs in sequence
[All] Fixed a crash when renaming objects while using Texture displacement during IPR rendering
[All] Fixed a bug in Physical Sun&Sky light that would render milky way in flipped coordinates
[All] Fixed a bug introduced in 2026.4 that would cause clouds to render with incorrect orientation in 3ds Max
[All] Fixed an issue where camera depth of field would behave differently in each DCC
[All] Fixed an issue where objects with extremely high polygon angles would produce self shadowing artifacts when using Texture Displacement
[All] Added native Windows Arm64 support for Redshift CPU in Cinema 4D, ZBrush and via command-line renderer
[All] Fixed a bug that caused random crashes when enabling disabling domelights when RS Sun&Sky is in the scene

2026.4 (2026.03)

Release Notes

[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
[CPU] Fixed an issue where the CPU would fail to initialize Embree
[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-free 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-free displacement to be affected by mesh visibility flags
[Vectorworks] Added support for Vectorworks (2026 Update 4)

2026.3.1 (2026.02)

Release Notes

[All] Fixed a crash when running multiple instances of Redshift at the same time
[All] Fixed a bug that caused non-tiling material layers to display lower layers as black

2026.3 (2026.02)

Release Notes

[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 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 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
[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

2026.2.1 (2025.12)

Release Notes

[Maya] Fixed bug where ReflectionCausticCaster and RefractionCausticCaster visibility options are not read from the scene correctly
[Maya] Fixed error message happening when using RS UV context projection
[Maya] Added NE template for RS UV context projection node
[Maya] Fixed RS UV context projection port not visible when expanded among Maya File node's ports
[Maya] Make RS Sun default orientation match other DCCs
[Max] Fixed bug introduced in 2026.0.0 causing view-dependent meshes such as Body Objects to have low resolution
[All] Fixed an issue where extreme texture displacement would have artifacts
[All] Improved texture displacement performance
[All] Fixed a bug introduced in 2026.0.0 that caused artifacts when using bump mapping with OSL shaders
[All] Fixed a bug that caused increased noise in clouds viewed through reflections and refractions
[All] Added support for auto bump to texture displacement
[All] New UV Context 'spatial' projection now matches C4D Tag equivalent
[All] Improved complex mesh pre-processing performance when using texture displacement
[All] Fixed issue that could create wrong-looking texture displacement when using a UV Context projection transform
[All] Fixed a bug that caused texture displacement to ignore switch shaders

2026.2.0 (2025.12)

Release Notes

[C4D] Fixed assertion that was triggered when custom AOVs were added or removed
[C4D] Fixed a bug when you create Materials/Lights/Utilities from material manager, you will need to undo 3 times to delete the material
[C4D] Fixed a bug where a C4D document was immediately marked as modified (asterisk in title bar) when loaded via Python
[C4D] Fixed a bug where enabling motion blur would cause a difference in sun&sky light sun direction
[C4D] Update default values for light object
[C4D] Update default values for cloud object
[C4D] Added viewport sun light for the Sun and Sky object
[Max] Breaking change: Fixed data corruption in scalar parameters related to Dirt controls for RS Brick since 2025.2.0 -- affected shaders may need to be rebuilt and Alpha Shift / Texture Shift are now stored as Point2 parameters which are not supported prior to 2026.2.0
[Max] Fixed incorrect default values for Direct Lighting Scale and Ambient Lighting Scale on RS Clouds
[Max] Fixed bug where IPR does not update in response to time changes for RS Clouds affected by wind
[Max] Fixed bug where modifying IPR Undersampling during IPR has no effect
[Max] The Map ID parameter of RS Maxon Noise now defaults to 1
[Houdini] Added support for Houdini 21.0.512 and dropped support for 20.0.751 and 20.5.613
[Houdini] Fixed bug that could affect the RenderView toolbar background color
[Houdini] Fixed several issues in the Redshift Proxy Output SOP node GUI
[Hydra] Added support for Solaris 21.0.512 and dropped support for 20.0.751 and 20.5.613
[Hydra] Added Resolution Mode param to the Redshift LOP
[Hydra] Exposed the husk headlight options in the Redshift LOP
[Hydra] Fixed bug that could fill the USD log panels with messages such as "Attempted to get value of type ..."
[Hydra] Fixed several Redshift params folder names to prevent problems with other rendereres
[Metal] Fixes for potential instability with texture baking feature
[Metal] Fixed a bug introduced in 2026.0.0 where OSL shaders could not output matrices
[All] Fixed a crash when using textures that are stored on a network file system on MacOS
[All] Fixed a bug where using some non-material nodes as headnodes alongside custom AOVs was broken
[All] Improve validation for OSL shaders: Closures inside loops are not supported
[All] Fixed a bug that would produce incorrect shader baking results for sprite objects that are motion blurred
[All] Fixed a bug that would create bucket artefacts when Ray Switch shader is used with constant colors
[All] Fixed a bug that caused baking to be broken for scene units other than cm
[All] Fixed a bug introduced in 2026.0.0 that would cause incorrect lighting when rendering in IPR and "Camera Space Render" is used
[All] Fixed a bug introduced in 2026.0.0 that would cause incorrect volumetric lighting behind zero opacity objects in fog
[All] Fixed a bug introduced in 2026.0.0 that would cause bumpmapping artifacts when using cylindrical UV projection
[All] Fixed a bug introduced in 2026.0.0 that would cause blurry spotlight textures if used with shadow softness or in volume rendering
[All] Added missing unit handling to depth AOV
[All] Changed slider limits in UnitConversion node to more reasonable values
[All] Fixed a bug where high values of position offset would cause incorrect cloud rendering
[All] Fixed a bug that caused greyscale textures to be red when projecting the texture based on other textures or raytracing based shaders
[All] Improved quality of sun-sky lighting and shadows, which previously could flicker or be wrong depending on the location of the sun and the size of the sun disk
[All] Added support for AMD RX 9000 Series GPUs
[All] Updated IES light to support overriding the output based on the luminous power or peak luminous intensity
[All] Added Texture Displacement, offering improved detail rendering and quicker editing performance
[All] Updated Hardware Ray Tracing back-ends to deliver better interactivity
[All] Added support for automatic displacement that can be managed through global render settings
[All] Added new UV Context Projection shader and associated material/node port support
[All] Fixed a bug where cloud shadows would affect physical lights
[All] Fixed a bug in clouds ambient light calculation which prevented physically correct lighting
[All] Fixed a bug in scene bound calculation that could clip the volumes incorrectly based on scene scale units

2026.1.1 (2025.10)

Release Notes

[Max] Fixed bug introduced in 2026.0.0 where an object is not visible when animating visibility from off to on during sequence rendering
[Max] Fixed bug where animatable parameters for RS Clouds were not exposed to Curve Editor or Dope Sheet
[Max] Fixed incorrect default value for Space Type parameter in RS Displacement map
[Max] Fixed bug in UI for some Texmaps and Materials where UTF-8 character encodings were displayed as ASCII
[Houdini] Fixed bug introduced in RS 2026.0.0 that could affect the fstop param DOF effect
[Hydra] Fixed bug introduced in RS 2026.0.0 that could affect the fstop param DOF effect
[Hydra] Fixed bug that could affect the DataWindowNDC and aperture offsets rendering
[All] Fixed a bug introduced in 2025.4.0 that could cause render bucket corruptions on GPUs where memory is tight and software ray-tracing is used

2026.1.0 (2025.10)

Release Notes

[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] Significantly improved Flakes shader performance
[All] Upgraded OpenColorIO to version 2.4.2
[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] The minimum required version for the 2025 plugin has been increased to Cinema 4D 2025.3
[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
[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] The minimum required version for the 2025 plugin has been increased to Cinema 4D 2025.1
[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.
[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
[All] Added support for Volume Z-Depth AOV
[All] Fixed recently introduced Incandescent shader additive blending feature bug
[All] Fixed bug introduced in 3.6.02 that broke the 'Light and Shadow' tone-mapping mode
[All] Fixed aspect ratio compensation of contour thickness; existing scenes can look different if they did not use aspect ratio 16:9
[All] Added support for baked stencil to the sprite node
[All] Removed limit of 32 vertex streams per mesh when tessellation is enabled, addressing a fatal assertion in certain scenes
[All] Upgraded OpenColorIO to version 2.3.4
[All] Fixed a bug that caused incorrect rendering of volumes when Volume Scatter height is above 0
[All] Fixed bug that would cause a crash during IPR, on deleting a material that uses tone-mapping
[All] Fixed bug that could cause garbage lighting after disabling a light during IPR rendering
[All] Fixed a bug that resulted in an invalid material when Store Color to AOV is connected to the Surface port and the Contour shader is used
[All] Fixed a GPU crash that could occur after disabling Cryptomatte
[All] Fixed rare crash bug that could occur when compiling OSL shaders with a small number of inputs
[Alembic Procedural] Fixed bug that could affect the procedural xforms or materials updates