Redshift 3.0.58 (2021.10) - October 22, 2021

IMPORTANT NOTE! Version 3.0.46 introduced new color management features that in certain cases may change the look of existing scenes. See: https://redshift.maxon.net/topic/37109/
IMPORTANT NOTE! Version 3.0.46 introduced filtering changes which might slightly change the look of renders for some 3d apps. See: https://redshift.maxon.net/topic/36837/

• [Maya] Fixed issue where a freshly referenced scene that uses an external OSL shader file wasn't automatically compiling the shader
• [Maya] All lights use the new Attribute Editor GUI layout and functionality
• [Maya] Removed deprecated Photon Map related GI settings on nodes
• [Maya] Fixed issue where ObjectID AOVs had incorrect values
• [Maya] "Deep Merge Alpha Threshold" has been added to AOV Processing
• [Maya] Scenes extraction with proxy mesh nodes is significantly faster
• [Maya] The Bucket Size can now be set to 512x512
• [Maya] Scene extraction on complex scenes when there aren't any proxy nodes can be up to 344x faster
• [Maya] Scene loading after a render when using referenced scenes and imported geometry is signficantly faster
• [Maya] Added "Create Layer Override..." and other attribute related popup items to the Insert Tokens popup menu
• [Maya] Per frame AOV initialization is now up to 5x faster
• [Max] Fixed bug introduced in 3.0.57 that broke Primary Ray Visibility and Shadow Receiver flags
• [Max] Support bucket size of 512
• [Max] Support EXR Auto-Crop for Redshift File Output
• [Max] Updated UI for all lights
• [Max] Added missing Physical Light parameters: Intensity Map, Temperature Map, Spot Cone Falloff Angle Map, Shadow Transparency Map
• [Max] Added missing RS Physical Sun parameters: Sun Disc Scale, Non-Physical Intensity, Intensity Map
• [Max] Added missing RS Physical Sky parameter: Non-Physical Intensity
• [Max] Added missing Dome Light parameters: Shadow Transparency Map
• [Max] Added missing IES Light parameters: Intensity Map, Temperature Map, Shadow Transparency Map
• [Max] Added missing Portal Light parameters: Intensity Map, Transparency Map
• [Max] RS Physical Sky "Derive values from Sun" now affects Sun Disc Scale
• [Max] Dome Light viewport preview now honors the Environment Background parameter
• [Max] Removed deprecated Photon GI flags from Redshift Object Properties
• [Max] Improve layout of Global Preferences group in Render Setup
• [Max] Fixed typo in "targetDistance" script parameter name for RS Light
• [C4D] Removed deprecated Photon GI options from the RSObject tag
• [C4D] Addressed an issue in the RSLight, where the visibility certain parameters in the UI would be inconsistent under certain conditions
• [C4D] Addressed a UI issue in the RenderView in R25 where the sliders would use an inconsistent background color
• [C4D] Addressed an issue where certain reference geometry changes would not be detected
• [C4D] Addressed an issue where texture baking was not tracking the color-management settings
• [C4D] Addressed a rare issue where the first material preview after starting C4D could be blank under certain conditions
• [C4D] Addressed an issue with the default values of matrix parameters in the OSL node
• [C4D] Addressed an issue with emulation of the C4D Layer Shader in Standard materials
• [Houdini] Improved viewport IPR rendering performance and events system stability
• [Houdini] Addressed the color correction of the color ramp parameters
• [Houdini] Addressed a GUI issue in the RS ROP node related to the materials override parameters
• [Houdini] Addressed a sync. issue between the RenderView and ROP node OptiX denoise overhead parameters
• [Houdini] Added the new "Deep Merge Alpha Threshold" render option
• [Houdini] Removed some obsolete visibility flags
• [Houdini] Addressed several issues related to the proxy and aov ROP nodes GUI
• [Houdini] Addressed a problem in the OSL and other nodes with multiple outputs if connected to the suboutput node inside subnets
• [Houdini] Improved strands rendering addressing some artifacts in the curves rotations and normals
• [Houdini] Added support for the "soho_renderview_menu" parameter in the camera nodes to hide them in the RS RenderView cameras menu
• [Houdini] Reorganized and streamlined the RSLight parameter UI
• [Houdini] Addressed a problem with several RS ROP parameters when stored in the gallery
• [Houdini] Added the exposure parameter to the RSLights Light Bank
• [Houdini] Addressed a problem while updating the secondary GI engine of the old scenes to the new RS ROP node interface
• [Katana] Added the new "Deep Merge Alpha Threshold" render option.
• [Katana] Removed some obsolete visibility flags
• [Katana] Added support for bucket size of 512 px
• [Katana] Improved strands rendering addressing some artifacts in the curves rotations and normals
• [Katana] Reorganized and streamlined the RSLight parameter UI
• [Katana] Addressed a GPU memory and extraction performance problem in scenes with multiple objects referencing the same material
• [Hydra] Fixed a problem with the "Force Brute-Force GI" visibility option default value
• [Hydra] Added the new "Deep Merge Alpha Threshold" render option
• [Hydra] Removed some obsolete visibility flags
• [Hydra] Fixed a minor bug in the strands rendering
• [Hydra] Addressed a problem with the mesh lights rendering in Linux
• [Hydra] Fixed a problem with the light textures in the USD files
• [Hydra] Reorganized and streamlined the Redshift parameter UI in the Light LOPs
• [Blender] Fixed a material assignment bug in hair export code
• [Blender] Added support for exporting UV data for hair from 'particle emitter' object
• [Blender] Added support for the Vertex Color attribute
• [Blender] Added support for Motion Blur (transformation)
• [Blender] Synchronized the list of Color Spaces in the nodes with the Color Management list
• [RT] Added RS Maxon Noise shader
• [All] Added deep merge alpha threshold option
• [All] The core now supports switching the list of used GPUs dynamically (between frames) and without requiring a 3d app restart EDIT: this feature is broken. Until this is fixed, you will need to restart your 3d app after changing the active GPUs.
• [All] Added 'time to first pixel' performance and robustness improvements for scenes with many hundreds of complex materials containing thousands of shader nodes
• [All] Texture sampler can now use up to 64GB of VRAM cache, device permitting
• [All] Texture sampler will now pre-load textures if they all fit into the cache, improving rendering performance by limiting OOC overhead
• [All] Fixed ancient and very rare bug that could cause corrupt texturing when the OOC texture cache is under extreme pressure
• [All] Fixed recently introduced bug that would break the ray contribution scales for refracted dome lights, bug introduced in 3.0.56
• [All] Fixed bug where scenes using many polygons/points/hairs could crash on GPUs with NVLink and/or lots of VRAM
• [All] Redshift will now build and attempt to pre-load the entire scene geometry into VRAM, if it fits. This has performance advantages on certain systems.
• [All] Fixed bug that disabled the 'Softness Affects Gobo' option for spotlights
• [All] Fixed recently introduced bug that could break delta lights with 'softness' with 'spread' less than 1.0, bug introduced in 3.0.56
• [All] Added support for RG channel textures, previously the B channel would contain garbage

This build includes plugins for Cinema 4D, Maya, 3ds Max, Houdini, Katana and Blender

Redshift 3.0 versions on Windows and Linux require recent or the latest NVidia drivers! These versions contain OptiX7 support which is part of the NVidia driver

Redshift 3.0.45+ / Metal requires macOS Big Sur 11.3 or higher. If you get unexpected "License Mismatch" errors, you need to update your macOS

Download Windows installer
Download Windows zero-install zip package
Download Linux installer
Download MacOS installer (Metal)
Download MacOS installer (CUDA)

Click here for online documentation (including setup instructions)
Click here for Trello page (to see what devs are currently working on)

Please see this post for information regarding trace depth compatibility with 2.6 scenes.
Please see this post for information regarding changes to shading technology, if you are upgrading from versions prior to 3.0.18.
Please see this post for information regarding changes to our DeepEXR/Cryptomatte technology in 3.0.31.

*Please read this for general info on 3.0 releases.