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v3.0.x Redshift

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Redshift
   

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Redshift is the world’s first fully GPU-accelerated, biased renderer.

Redshift is a powerful GPU-accelerated renderer, built to meet the specific demands of contemporary high-end production rendering. Tailored to support creative individuals and studios of every size, Redshift offers a suite of powerful features and integrates with industry-standard CG applications.


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Works with your software

In fact, Redshift works with a number of industry-standard applications for seamless integration into your pipeline:

  • Maya
  • Softimage
  • 3DS Max
  • Cinema 4D
  • Houdini
  • Katana
  • Blender

Core

Redshift has the features and uncompromising quality of a CPU renderer but at GPU rendering speeds. Unlike other GPU renderers out there, it is a biased renderer that allows the user to adjust the quality of individual techniques in order to get the best performance/quality balance for their production.

Out of core geometry and textures in Redshift

Out of core geometry and textures

The efficient memory management allows the rendering of scenes containing hundreds of millions of polygons, as well as TBs of texture data.

Global Illumination

Global Illumination

Achieve blazingly fast indirect lighting using biased point-based GI techniques, as well as brute-force GI.

World-leading performance in Redshift

World-leading performance

Harnessing the raw power of the GPU, coupled with intelligent sampling techniques, it is the world’s faster renderer.

Proxies in Redshift

  Please Note

Redshift currently only supports CUDA-compatible Nvidia GPUs on Windows. Support for other GPU platforms (such as AMD GPUs) is planned for the future. Furthermore, support for Metal on macOS is currently in development.

Please see here to determine if your GPU supports compute capability 3.0.

To find out how the various GPUs compare against each other, please check out our “Benchmark Results” thread.

Equally important, we also recommend reading the “Hardware Considerations for Redshift” document.

We strongly recommend installing the free demo prior to purchasing Redshift to verify system compatibility and to ensure Redshift performs to your expectations.

All sales are final. NO REFUNDS.

Also check out the Maxon Floating Volume Subscription Licensing. If you have questions, please email us at sales@toolfarm.com.

Proxies

The user can export groups of objects and lights to Redshift Proxy files which can be easily referenced by other scenes. Proxies allow for a powerful shader, matte and visibility flag overrides as often required in production.

  • Transformation and deformation blur
    Transformation and deformation blur
  • Redshift supports multi-step transformation blur and 2-step deformation blur.
  • Volumetric rendering
    Volumetric rendering
  • Redshift support OpenVDB rendering in all 3d apps and native volume rendering in Houdini. Redshift lights can cast volumetric lighting around them.
  • Hair rendering with ‘Min Pixel Width’
  • Thin hair can produce noisy renders. Redshift supports ‘MPW’ rendering which smooths out the look of thin and hard-to-sample hairs.
  • Tessellation and displacement
  • Redshift’s tessellation supports edge and vertex creasing with separate UV smoothing control.
  • Per-object flexibility
  • Objects have advanced matte features and tracing options such as self-shadowing and primary/secondary ray visibility.
  • Baking
  • Redshift allows for any type of AOV data to be baked out from individual objects.

Command-line rendering

Users can export their scene and render it independently of their 3d app using the redshiftCmdLine tool.

Redshift SDK

SDK

  • A C++ SDK is available for studios that require deeper integration of Redshift with their pipelines. Please contact us for more info.

Shading and texturing

Redshift supports complex, advanced shading networks and texturing capabilities as required for production-quality rendering.

Shading and texturing

Physically Based Materials

  • Flexible, production-ready shader, compatible with PBR workflows of Allegorithmic Substance and Unreal Engine.
  • Ray switches
  • Control how materials behave for certain ray types. Useful for customizing GI or double-sided polygon shading.
  • Hair shader
    redshift Hair
  • Multi-lobe anisotropic specular using the physically-based Marschner BRDF.
  • Dedicated skin shaders
  • Support for up to 3 layers of sub-surface scattering in a single shader for a realistic looking skin.
  • Round corners
  • Get smooth edges without requiring geometry tessellation. This technology is licensed from NVidia.
  • Displacement mapping with ‘auto-bump’
  • Add geometric and lighting detail to surfaces using displacement mapped height, vector textures or procedural shading nodes.
  • No texturing limitations
  • Virtually unlimited number and size of textures regardless of VRAM. Built-in efficient UDIM/UVTile tiling support.
  • Powerful shading attributes
  • Shaders can access per-vertex (weight maps, multiple UVs, etc) or per-object attributes for maximum flexibility.
  • Sprite node
  • Render foliage and other opacity-cutout effects blazingly fast!
  • Large variety of nodes
  • Redshift supports many DCC shading nodes for math, color ramps, color remaps and conversion, gamma and many others.

Lighting

Choose from a wide variety of light types. All lights are multiple importance sampled for the cleanest results using the fewest samples. Redshift also supports per-object light/shadow linking for great artistic control.

  • Dome lights
  • Efficiently light an entire scene using image-based environment textures.
  • Mesh lights
  • Use any mesh in the scene as a light source, with the same features and sampling efficiency as regular area lights.
  • Volumetric lighting
  • Redshift lights can affect atmospheric volumetric fogging for the popular ‘God ray’ effect.
  • Physical sun and sky
  • Natural-looking physical sunlight and sky emulation.
  • Physically correct lights
  • Full flexibility ranging from area lights to photometric/IES lights, ‘portal’ lights and texture-projected ‘gobos’.

Cameras

Redshift supports all commonly used camera types, as well as advanced controls for physical camera effects.

  • Multiple camera lens types
  • Fisheye, spherical, cylindrical cameras, lens distortion.
  • VR
  • Stereo Spherical rendering for VR applications.
  • Physical lens effects
  • Familiar photographic exposure controls such as ISO, shutter, vignette, color balance and textured bokeh depth-of-field.

AOVs

Redshift supports a comprehensive set of AOVs for the most demanding post-production compositing needs.

  • Deep and Layered EXR support
  • For 3d compositing and efficient management of AOVs.
  • Many AOV Types
  • Material shading components (albedo, diffuse, reflections etc), depth, motion vectors, puzzle-matte and many more.

Integrations with your applications

Maya

  • Instancer
  • Support for Autodesk’s extension for node managing instances of scene objects created by a MASH network.
  • XGen
  • Support for Autodesk’s own geometry instancer for Maya.
  • Ornatrix Maya
  • Support for the super popular hair, fur and feathers plug-in for Maya.
  • PL Yeti
  • Support for the popular fur, hair and feathers tool-set for Maya.
  • Joe Alter
  • Support for Shave and a Haircut the veteran Maya hair and fur plugin.
  • Golaem
  • Support for the popular crowd simulation software for Maya.

3ds Max

  • Forest Pack
  • Support for the world’s most popular scattering plug-in.
  • Ornatrix Max
  • Support for the super popular hair, fur and feathers plug-in for 3ds Max.
  • Hair Farm
  • Support for the precise and powerful hair modeling 3ds Max plug-in.

Softimage

  • ICE
  • Support for ICE interoperability for Maya to send ICE effects data between Maya and Softimage.
  • Cinema 4D
  • Mograph Cloner
  • Extensive support for Cinema 4D’s geometry objects including Instances, Generators, Deformers, Cloners and MoGraph objects.
  • Particle Instancing
  • Support for powerful built-in particle instancing and per-particle attributes.

Houdini

  • Hair and Fur
  • Support of the Houdini curve primitives, that are extracted as efficient Redshift hair objects.
  • Houdini primitives
  • Automatic and configurable tessellation of the Houdini primitive surfaces (primitives, nurbs, etc.).
  • Volumes
  • Direct rendering of OpenVDB files and the Houdini Volume and VDB primitives. Support of volume instancing and velocity grids.
  • Strands
  • Render of any kind of Houdini primitive as Redshift strands.
  • Instancing/particles
  • Support of the Houdini instancing, including the Instance OBJ node, and the “instance” and “instancepath” attributes, extracted as mesh instances or particle point clouds.
  • Non-GUI Tools
  • The plugin is compatible with all the Houdini non-GUI tools (hython, hscript, etc.) and includes a set of custom HScript commands to control the renderer.

Operating Systems

  • Microsoft Windows: 64-bit Windows 7 / 8 / 10
  • Linux: 64-bit distribution with glibc 2.17 or higher
  • Apple macOS with NVidia GPU: Sierra (10.12) or High Sierra (10.13). Mojave (10.14) or higher is not supported with NVidia GPUs
  •   Big Sur (11.0) or higher – CURRENTLY IN BETA (more info here)

3D Applications Supported

  • Autodesk Maya (Windows, Linux): 64-bit edition. 2014 or later
  • Autodesk Maya (macOS): 64-bit edition. 2016.5 or later
  • Autodesk 3dsMax (Windows): 64-bit edition. 2014 or later
  • Maxon Cinema4D (Windows and macOS): 64-bit edition. R17 or later
  • SideFX Houdini (Windows, Linux): 64-bit edition. 17.0 or later
  • SideFX Houdini (macOS): 64-bit edition. 18.0 or later
  • The Foundry Katana (Windows, Linux): 64-bit edition. 3.0v1 or later
  • Blender (Windows, Linux): 64-bit edition. 2.83LTS or later

Minimum

  • 8GB of system memory
  • Processor with SSE2 support (Pentium4 or better)
  • For Windows and Linux: NVIDIA GPU with CUDA compute capability 3.0 or higher and 8GB VRAM
  • For macOS with NVidia GPU: NVIDIA GPU with CUDA compute capability 3.0 or higher and 8GB VRAM
  • For macOS with AMD GPU: “Navi” or “Vega” GPU or later. “Polaris” GPUs (like the AMD 580) are not supported
  • Single GPU

Recommended

  • 16GB of system memory or more
  • Core i7 or Xeon equivalent, 3.0GHz or higher
  • For Windows and Linux: NVIDIA GPU with CUDA compute capability 7.0 or higher and 8GB of VRAM or more. We recommend an NVIDIA Quadro, Titan or GeForce RTX GPU for hardware-accelerated ray tracing
  • For macOS with NVidia GPU: NVIDIA GPU with CUDA compute capability 6.0 and 8GB VRAM
  • For macOS with AMD GPU: “Navi” or “Vega” GPU or later. “Polaris” GPUs (like the AMD 580) are not supported
  • Multiple GPUs

 

  Please Note

Redshift 3.0.27 versions and higher require NVIDIA driver version 450.xx or higher, to support the new CUDA 11 SDK and ‘Ampere’ GPUs.

Please see here to determine if your GPU supports compute capability 3.0.

To find out how the various GPUs compare against each other, please check out our “Benchmark Results” thread.

We also recommend reading the “Hardware Considerations for Redshift” document.

We strongly recommend installing the free Redshift demo prior to purchasing Redshift to verify system compatibility and to ensure Redshift performs to your expectations.
All sales are final. NO REFUNDS.

5.00
1 review
100% of reviewers recommend this product
Please Note: This page is intended for product reviews. If you are having trouble with a product and require customer support, please Contact Us

Customer Reviews

There is a learning curve but it’s a huge time saver. It has cut some of my render times by 80%. You will need a high end graphics card to fully appreciate this render.

Would you recommend this product to a colleague? Yes

By: Richard Swindell
Date: December 27, 2017

Version 3.0.33 is now available.

13 November 2020 05:03 PM

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

Redshift 3.0.27 versions and higher require NVIDIA driver version 450.xx or higher, to support the new CUDA 11 SDK and ‘Ampere’ GPUs.

Download Windows installer
Download Windows zero-install zip package
Download Linux installer
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:  https://www.redshift3d.com/forums/viewthread/25467/

Please see these posts for information regarding changes to shading technology and the implications:
https://www.redshift3d.com/forums/viewthread/30782/
https://www.redshift3d.com/forums/viewthread/33973/
Given this release contains all new shading technology, there may be unforeseen bugs. Please report them ASAP so we can get them fixed for you.

*Please read this for info on 3.0 releases: https://www.redshift3d.com/forums/viewthread/25296/

Release Notes
* [Max] Fixed a bug where Render View would not function if IPR is started before opening Render View
* [Max] Fixed a bug where the “All” rendering option for Fast Preprocessing was not honored
* [Max] Fixed a potential crash when closing 3ds Max after using Render View
* [Max] Fixed potential issues with using multiple-output shaders (e.g. RS State, RS Vector To Scalars) as shader inputs
* [C4D] Added support for the UserData tag in R21 or newer
* [Houdini] Addressed the cryptomatte object names in the instancefile instancing
* [Houdini] New “Forced Visibility” option in the ROP node, to force the flags from a reference object
* [Houdini] Exposed the OCIO file in the RS camera spare parameters to allow relative paths
* [Houdini] Fixed a crash in the RenderView while selecting a camera before launching the rendering
* [Houdini] Added support for the volume instances materials overriding from the shop_materialpath attribute
* [Katana] Added support for Katana 4.0 and dropped support for Katana 2.6
* [Katana] Fixed a problem with the enum parameters in Katana 4.0v1
* [Katana] Live and final rendering GPU based Photographic Exposure and PostFX
* [Hydra] Added support for the GPU based live viewport updating of the photographic exposure and postfx features
* [Hydra] Added several missing texture related render options
* [Hydra] Addressed the default curves and point widths to match Karma
* [Hydra] Added new option in the Light LOP Redshift params to enable the rectangle lights as portals
* [Hydra] Added support for mesh lights
* [Hydra] Added support for object tracesets
* [Blender] Initial beta release of Redshift for Blender
* [RenderView] Fixed a crash that could happen when loading an EXR with “Loads Snapshots”
* [RenderView] Fixed an issue where Houdini would freeze after using copy to clipboard and then rendering
* [RenderView] Fixed an issue where Shift+Click to enable and drag the Region was not functioning
* [RenderView] Fixed an issue where the Frame Region menu button and shortcut did not execute
* [RenderView] Fixed an issue where vignetting from postFX wouldn’t apply
* [RenderView] Fixed an issue where the region wouldn’t show correctly when scaling
* [RenderView] Fixed an issue where region rendering wouldn’t update when moving the region tool
* [RenderView] Fixed an issue where image files would not save correctly with “Save Image As…”
* [RenderView] Fixed an issue where EXR files would not save correctly with “Save Multilayer EXR As…”
* [RenderView] Fixed an issue where only one bucket would show in the RV even when using multiple GPUs
* [RenderView] Fixed an issue where the DisplayMode was being set to sRGB when using Set A / B for Snapshots regardless of the current DisplayMode
* [FeedbackDisplay] Fixed a crash with the feedback display when it was docked in Houdini
* [FeedbackDisplay] Fixed a crash when filtering to display only the current render’s logs
* [All] Added Altus command-line denoising tool
* [All] Fixed a bug that broke the output of AO/Curvature/RoundCorners nodes when multiple of them are used by a material, introduced in 3.0.32
* [All] Fixed a bug that could cause a crash or corruption when rendering hair with a wireframe shader
* [All] Fixed a bug that could cause allocation failures on scenes using deep rendering tech (either DeepEXR or Cryptomatte)
* [All] Now limiting the block size to 128 if deep rendering is enabled and the GPU is not a high-VRAM GPU (16GB or larger)
* [All] Fixed crash that could occur with a combination of DeepEXR and ID channel
* [All] Fixed issue that could cause ‘quantized’-looking reflections and refractions on surfaces that have subtle curvature, introduced in 3.0.25
* [All] Fixing bug that could cause volume grid material related crashes


Version 3.0.30 is now available.

This build includes plugins for Maya, 3ds Max, Houdini, C4D, Softimage, and Katana

This is a bug-fix patch build of 3.0.29.

Redshift 3.0.27 versions and higher require NVIDIA driver version 450.xx or higher, to support the new CUDA 11 SDK and ‘Ampere’ GPUs.

Download Windows installer
Download Windows zero-install zip package
Download Linux installer
Download macOS installer

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:  https://www.redshift3d.com/forums/viewthread/25467/

Please see this post for information regarding changes to shading technology and the implications:  https://www.redshift3d.com/forums/viewthread/30782/
Given this release contains all new shading technology, there may be unforeseen bugs. Please report them ASAP so we can get them fixed for you.

*Please read this for info on 3.0 releases: https://www.redshift3d.com/forums/viewthread/25296/

Release Notes
* [Max] Fixed bug where Render View Post FX parameters are not updated correctly after scene reset
* [Max] Fixed bug where Render View Post FX controls are enabled after creating Redshift Camera Effects modifier
* [Max] Fixed various spinner ranges in the user interface for Maxon Noise
* [Max] Effects that are overridden by Redshift Camera Effects modifier are now indicated in the Render View UI
* [Houdini] Addressed the selected ROP node while opening the RenderView from the RS ROPs.
* [Houdini] Improved volume extraction code to try to avoid problems with some vector grids, like “rest”.
* [Houdini] Improved support to create Cryptomatte IDs for not available materials, including primitive level materials in mesh objects.
* [Houdini] Addressed a problem with the “opdef:” HDAs texture referencing.
* [Houdini] Addressed a problem with the proxy export “Ignore OBJ Level Transformations” option while working with instances.
* [Houdini] Fixed a problem with the DOF settings and the RenderView related to the enable state.
* [Katana] Fixed a crash while working with image filenames without extension.
* [Hydra] Fixed a rendering problem related to the center time topology computation.
* [Hydra] Addressed several issues with the motion blur from objects without a constant topology and velocity attributes.
* [RenderView] Fixed an issue where the zoom menu wouldn’t zoom when selected
* [All] Fixed a handful of issues in the Matte-Shadow-Catcher shader relating to AO and alpha
* [All] Fixed bug that could cause garbage backplate colors to be used on matte objects when no texture is specified, introduced in 3.0.18
* [All] Fixed bug that disabled the OptiX denoiser on macOS CUDA builds
* [All] Fixed bug where switching material on a volume grid could make the grid not render
* [All] Fixed ancient bug that on very rare occasions could cause random crashes
* [All] Fix for edge-case procedural texture bump-mapping anomalies when rays are very warped
* [All] Fixed bug that would cause puzzle-matte reflection/refraction to stop when more than 8 puzzle matte AOVs are added


Version 3.0.28 is now available.

Date: 9 September 2020

This build includes plugins for Maya, 3ds Max, Houdini, C4D, Softimage, and Katana

Redshift 3.0.27 versions and higher require NVIDIA driver version 450.xx or higher, to support the new CUDA 11 SDK and ‘Ampere’ GPUs.

Download Windows installer
Download Windows zero-install zip package
Download Linux installer
Download MacOS installer

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: https://www.redshift3d.com/forums/viewthread/25467/

Please see this post for information regarding changes to shading technology and the implications: https://www.redshift3d.com/forums/viewthread/30782/
Given this release contains all new shading technology, there may be unforeseen bugs. Please report them ASAP so we can get them fixed for you.

*Please read this for info on 3.0 releases: https://www.redshift3d.com/forums/viewthread/25296/

Release Notes
* [Max] Added support for padding and background color when baking
* [Max] Improved dilation step for baking output
* [C4D] Added support for Cinema 4D R23; the minimum required version is R23.008
* [C4D] Added support for Cinema 4D R16
* [C4D] Added initial support for Magic Bullet Looks in the Viewport IPR and RenderView in R23
* [C4D] Added initial support for Node-based Objects in R23
* [Houdini] Added support for H18.0.566 and dropped support for H18.0.460
* [Houdini] Fixed an IPR crash while working with .bgeo instancefiles including volumes
* [Houdini] Addressed the behavior of the spherical camera aspect ratio, that is now set automatically to render always the full spherical projection when the aspect ratio is the default 1.0
* [Houdini] Added support for the light mesh associations while instancefile non-RS proxy objects
* [Houdini] New option in the OBJ spare parameters to create Cryptomatte IDs for materials not available in the scene
* [Hydra] Added support for H18.0.566 and dropped support for H18.0.460
* [Hydra] Addressed a problem in the noise randomize pattern feature
* [All] Fixed bug that could cause wrong-looking global volume fogging through totally transparent materials in IPR mode, introduced in 3.0.25
* [All] Fixed bug that could cause a crash when using texture nodes in conjunction with shader switch nodes
* [All] Fixed old bug that could cause corrupt-looking AOVs or crashes after changing AOV names
* [All] Fixed bug that could make baking only work the first time round on certain 3d apps
* [All] Fixed bug that could cause the hair shader to randomly produce corrupt-looking lighting


Version 3.0.27 is now available.

29 August 2020

This build includes plugins for Maya, 3ds Max, Houdini, C4D, Softimage and Katana

Redshift 3.0.27 versions and higher require NVIDIA driver version 450.xx or higher, to support the new CUDA 11 SDK and ‘Ampere’ GPUs.

Download Windows installer
Download Windows zero-install zip package
Download Linux installer
Download MacOS installer

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:  https://www.redshift3d.com/forums/viewthread/25467/

Please see this post for information regarding changes to shading technology and the implications:  https://www.redshift3d.com/forums/viewthread/30782/
Given this release contains all new shading technology, there may be unforeseen bugs. Please report them ASAP so we can get them fixed for you.

*Please read this for info on 3.0 releases: https://www.redshift3d.com/forums/viewthread/25296/

Release Notes
* [Max] Fixed an issue introduced in 3.0.23 that results in a system exception when baking with RsBeautyBake element
* [RenderView] Fixed an issue where Bokeh was not updating correctly
* [All] Fixed edge-case bug that could sometimes cause metal materials to have really wrong colors
* [All] Fixed precision issue in the MaxonNoise shader that could cause the Cell and Mod noises to look really ‘dirty’
* [All] Fixed bug in the 3dsMax Composite shader node that could cause wrong/exaggerated results when used for bump-mapping
* [All] Fixed typo in the RS Material shader that could result in a wrong fresnel option being used for the ‘coating’ reflection layer
* [All] Fixed incorrect (but benign) warning on 8-GPU systems
* [All] Brought back on line MatteShadowCatcher features: AO, Reflection fog and alpha, missing since 3.0.18
* [All] Fixed some issues with MatteShadowCatcher shader and material blending, bug introduced in 3.0.18
* [All] Fixed some issues with MatteShadowCatcher shader and matte object properties yielding different results when rendered in IPR mode, bug introduced in 3.0.18
* [All] Fixed bug that caused SSS AOVs with secondary ray visibility to appear corrupt or missing
* [All] Fixed bug that could cause certain nodes in the shader graph to be dropped when using a switch node, introduced in 3.0.25
* [All] Fixed bug that could cause a crash when connecting a scalar texture node to a material blender color input, introduced in 3.0.25
* [All] Fixed bug that would show global volume scattering over mattes that should be blocking, introduced in 3.0.18


Version 3.0.24 is now available.

This build includes plugins for Maya, 3ds Max, Houdini, C4D, Softimage and Katana

We encourage you to upgrade to 3.0.24 instead of 3.0.23 ASAP, since 3.0.23 introduced random stability issues when initializing the renderer!

Redshift 3.0.18 versions and higher require recent or the latest NVidia drivers! The reason is that these versions contain OptiX7 support which is now part of the NVidia driver.

Download Windows installer
Download Windows zero-install zip package
Download Linux installer
Download MacOS installer

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:  https://www.redshift3d.com/forums/viewthread/25467/

Please see this post for information regarding changes to shading technology and the implications:  https://www.redshift3d.com/forums/viewthread/30782/
Given this release contains all new shading technology, there may be unforeseen bugs. Please report them ASAP so we can get them fixed for you.

*Please read this for info on 3.0 releases: https://www.redshift3d.com/forums/viewthread/25296/

Release Notes

* [Houdini] Fixed a rare crash related to the material_override attribute while instancing.
* [Hydra] Addressed the support of primvars in the instancing from multiple prototypes.
* [All] Fixed an issue with mesh-based opacity getting ‘stuck’ during IPR mode
* [All] Fixed an issue with mesh-based opacity producing incorrect shadows
* [All] Patch fix for 3.0.23 random crash on initialization

3.0.23 Release Notes

* [Max] Fixed an issue affecting scenes containing multiple RS Multi-Map shaders
* [Max] Fixed an issue where RS Volume Material changes are not applied to RS Volume Grid during IPR
* [Max] Fixed a bug introduced in 3.0.12 where rendering a shaderball can cause Texmaps to pick the wrong map channel in IPR
* [Max] Fixed a potential crash when rendering deep output with Object ID AOV
* [Max] Fixed a bug where Render Info is not set if Render View is closed before rendering finishes
* [XSI] Fixed bug in installer that failed to copy the appropriate dependencies to the addon directory
* [C4D] Addressed issue where an invalid cache folder setting would cause a fatal error that prevented the plugin for starting.
* [C4D] Addressed issue where using an unsupported standard light type in conjunction with motion blur could lead to a crash.
* [Houdini] Added support for H18.0.499 and dropped support for H18.0.391
* [Houdini] Fixed a bug in the volumes multi-thread extraction code.
* [Houdini] Addressed the behavior of the RenderView play to match the selected “RenderView Buckets Render Mode” option.
* [Houdini] Fixed a problem in the vdb rendering when the velocity grids were first in the grids list.
* [Houdini] Added support for the “material_override” point or primitive attribute while instancing.
* [Katana] Fixed a crash in the Hydra viewer if a proxy object is missing.
* [Katana] Fixed a problem with the postfx color management feature.
* [Hydra] Added support for H18.0.499 and dropped support for H18.0.391
* [Hydra] New render options to configure the GPUs enable state (only valid for husk or batch rendering)
* [Hydra] Added support for the Houdini native vbd SOP level primitives.
* [Hydra] Added support for the RS Proxy files rendering from any object with the _rsproxy suffix, including instancing.
* [Hydra] Added a new “Proxy” tab to the Render Geometry Settings LOP to configure the proxy rendering of the “_rsproxy” objects.
* [Hydra] Addressed the dome light texture rotation to match the other renderers behavior.
* [All] Fixed bug that could cause a GPU crash at deep ray bounces, introduced 3.0.19
* [All] Fixed random crash that could occur when debug capture is enabled
* [All] Fixed bug that could cause crashes on Linux if baking was executed twice
* [All] Fixed bug that prevented light linking or trace sets from working for meshes that have the same name
* [All] Fixed bug that could cause incorrect refractions when mediums with the same IOR overlap, introduced in 3.0.18
* [All] Fixed bug that could cause the SSS AOV to be noisy with shader sampling optimizations enabled, introduced in 3.0
* [All] Fixed bug that caused translucent/back-faced diffuse AOVs to be black, introduced in 3.0.18
* [All] Fixed bug that caused total diffuse and translucency raw AOVs to be black
* [All] Fixed bug that prevented negative values for custom AOVs
* [All] Fixed bug that could cause corrupt-looking user-data effects (like switch shaders), due to rounding errors
* [All] When no raw AOVs are present, GI AOV now contains both front and back-facing indirect diffuse lighting
* [All] Fixed bug that could cause crashes with shaderball rendering
* [All] Fixed bug that could cause garbage puzzle-matte results when ‘Disable Sampling Optimizations’ option is selected

v3.0.17

* [Maya] The World Position and Depth AOVs default bit depth is now 32-bit
* [Maya] Fixed an issue where the “Show Output Before Denoising” button in the RV was not enabled with when the denoise mode Altus Dual Pass was set
* [Maya] Fixed bug that could cause an assert when attempting to denoise deep output
* [Maya] Fixed issue with selecting renderable camera in render globals (Maya 2019 and 2020)
* [Maya] Fixed bug that resulted in unpredictable behavior with Redshift light groups on native Maya lights
* [Max] Fixed an issue where shaders on non-English systems failed to be recognized by Redshift
* [Max] Fixed a bug introduced in 3.0.08 where OCIO View Transform is not saved with the scene
* [Max] Fixed issue in Max 2014-2017 where the Redshift toolbar remained visible in Expert Mode
* [Max] Fixed issue in Max 2014-2017 where the Redshift toolbar in vertical-docked orientation did not display correctly at startup
* [Max] Fixed issue from Max 2019 onwards where the Redshift toolbar is always visible after startup, even if it had been hidden
* [Max] Fixed issue where light include/exclude lists and Trace Sets did not work inside XRef scenes
* [Max] Fixed a bug where shader balls do not render correctly after changing system units
* [Max] Fixed a bug where a deleted object’s transform is lost when restoring it via Undo during IPR
* [Max] Fixed baking issue affecting objects with adjusted pivot transforms
* [Max] Fixed potential crash when deleting objects during IPR
* [Max] Fixed a bug where utility buffers for Altus denoising were not saved for the Beauty when using 3ds Max file output
* [Max] Added support for rendering FumeFX caches (requires version 5.0.6 or later)
* [Max] Added velocity-based deformation blur support for Bifrost meshes
* [Max] Proxy Export dialog now matches the initially-selected camera to the active viewport
* [C4D] Added initial support for X-Particles ExplosiaFX volume objects. This requires X-Particles 4 Build 742 or better.
* [C4D] Added initial support for FumeFX volume objects.
* [C4D] Improved support for the velocity weight-maps of the X-Particles Mesher object.
* [C4D] Improved the automatic conversion for Standard materials which now supports tangent-based displacement.
* [C4D] Addressed an issue where Direct AOVs could use an incorrect frame number when rendering through the RenderQueue under certain conditions.
* [C4D] Addressed an issue where Cloners with instancing enabled could trigger a crash under certain conditions.
* [C4D] Addressed an issue where changes to Custom AOV materials were not detected consistently during IPR.
* [C4D] Addressed an issue in the handling of Irradiance Point Cloud and Irradiance Cache files when frame blending is enabled.
* [C4D] Addressed an issue where dragging-and-dropping preset textures from the Content Browser produced Texture nodes with incorrect paths.
* [C4D] Addressed an issue where custom User-Data would not be effective when used through XRefs with namespaces.
* [C4D] Addressed an issue where file sequences would not be consistent with the current frame when rendering with motion-blur under certain conditions
* [C4D] Addressed an issue where the material override color was not tracking the input color profile setting
* [C4D] Addressed an assertion error relating to viewport previews for Node materials.
* [Houdini] The world and depth AOVs are configured to 32-bit by default.
* [Houdini] New HScript command “Redshift_IPRRenderingState” to get the IPR/RenderView rendering state.
* [Houdini] Fixed a performance issue while rendering sequences including lights instances.
* [Houdini] Fixed a crash in the strands feature while working with the Maxon noise shader.
* [Houdini] Fixed a cryptomatte bug after rendering using the scene view camera or the viewports render region tool.
* [Houdini] Fixed a problem with the vdb primitives transformations.
* [Houdini] Exposed the “Full Paths Cryptomatte IDs” option and removed the Redshift memory options from the Redshift Proxy Output SOP/ROP.
* [Houdini] Support of the texture sampler node “Layer Name” parameter to select the COP node channel to be extracted. “C” is always extracted by default.
* [Houdini] Sorted ROPs list in the RenderView ROP selector, alphabetically ordered.
* [Houdini] New option in the RS RenderView Houdini tab to disable the automatic rendering of the selected ROP.
* [Houdini] Updated RS Material Builder node to include the RS Material connected to the Surface output automatically.
* [Houdini] Fixed a bug while rendering particles with a negative scale.
* [Houdini] Fixed a problem with the light linking and trace sets while working with shared proxy instances.
* [Houdini] New “Redshift_IPRRewireRootMaterialNode” HScript command used to rewire/reload a material from the root node.
* [Houdini] Addressed the RS RenderView material override color, that is now extracted from the ROP material override options.
* [Katana] Fixed the live updating of the solo/mute lights state inside the GafferThree rigs.
* [Katana] Multi-thread scene extraction code (enabled by default, available for Katana 3.5v2+ only)
* [Katana] REDSHIFT_MT_EXTRACTION and REDSHIFT_MT_CORES_MULTIPLIER environment variables to enable/control the multi-thread scene extraction feature.
* [Katana] Custom GafferThree package classes for the RS Lights.
* [Katana] Added support of the new Katana 3.5 –reuse-render-process batch rendering option.
* [Katana] Fixed an issue in the RedshiftOutputChannelDefine node hide parameters logic.
* [Katana] Fixed a crash while exporting deep EXR files including the ObjectID AOV.
* [Katana] Added support for environment variable REDSHIFT_FORCEQUITONINTERNALERROR, which when set to any value other than 0, will force a hard crash when an unrecoverable error occurs while rendering.
* [Katana] Fixed a bug while rendering particles with a negative scale.
* [RenderView] Denoise controls have been added to the display tab (Only enabled on Maya currently)
* [RenderView] IPR Undersampling can now be set up to 5
* [RenderView] Fixed an issue where IPR Texture Reload did not always function correctly on initially opening the RV (Maya only)
* [RenderView] Fixed an issue where the frame buffer could turn black when zooming
* [All] Potential fix for a random crash when changing block size during progressive rendering
* [All] Fixed handling of invalid AOVs that could cause a rare crash
* [All] Now zero-padding the Cryptomatte hashes
* [All] Fixed bug that would cause inconsistent results when using the MaxonNoise shader and camera-space rendering
* [All] Fixed another “Exceeded context stack depth!” assertion on scenes that are using the Irradiance Cache
* [All] Fixed bug that could cause global options to not update
* [All] Fixed bug with random numbers that could make certain frames not denoise with dual-pass Altus
* [All] Fixed some bugs relating to shader optimizations and automatic sampling producing poor results, particularly for very noisy DOF scenes when lots of samples are needed
* [All] Fixed bug in Redshift core that could produce crashes if a 3d plugin issued many error log entries in a multithreaded way
* [All] Fixed bug that could cause a hard crash in the core when using a State node to drive material displacement or bump shaders
* [All] Fixed bug introduced in 3.0 that would affect the number of direct lighting samples, resulting in slower rendering performance
* [All] Added sanity check for invalid automatic sampling/shader optimizations unified sampling threshold
* [All] Fixed bug that could not update scene if hair min pixel width settings were tweaked
* [All] Fixed bug where the scatter ramp color of a volume grid could affect another volume grid if the start ramp color was anything else other than black
* [All] Fixed a rare texture sampling crash bug with message “Expression: pNode->GetPhysicalID() != 0xFFFFFFFF”

v3.0.16

* [Max] Fixed Altus-OpenCL crash issue
* [Max] Added support for RS Texture map
* [All] Fixed bug introduced in 3.0.14 that could cause a crash when multiple animated MaxonNoise shaders exist in scene
* [All] Fixed Linux-specific crash with tessellation and displacement

v3.0.15

* [Katana] Added support for hidden polygons from the geometry.arbitrary.hiddenFacesList attribute or from invisible facesets.
* [RenderView] Improve mouse hit-testing for region box adjustments
* [All] Fixed bug that could trigger the “Exceeded context stack depth!” assertion
* [All] Altus now renders without watermarks – for free! 🙂 Please see this: https://www.redshift3d.com/forums/viewthread/29452/
* [All] Fixed Linux-specific “PagedArray” crash

v3.0.14

* [Maya] Fixed a crash when using precentage mode with Overscan
* [Maya] Fixed an issue where Overscan wasn’t being updated correctly
* [Maya] Fixed an issue where vignetting was not updating
* [Maya] Fixed an issue where using the Select Material or Select Object from the RV would refresh the render in IPR mode if it had finished
* [Max] Fixed an issue where hidden objects were being evaluated at render-time
* [Max] Fixed an application freeze when stopping IPR while rendering a shaderball
* [Max] Fixed a crash when rendering shaderballs for Multi/Sub-Object in Max 2014 (possibly affects other versions too)
* [Max] Increased IPR restart “grace period” following the rendering of a shaderball, to reduce interruptions if multiple shaderball renders are queued
* [C4D] Added support for TeamRender single-image distributed rendering.
* [C4D] Added support for Object and Material picking in the RenderView.
* [C4D] Added support for selectively hiding objects in proxies.
* [C4D] Added support for the Nodes Preview Scene preference setting in R21.
* [C4D] Addressed an issue where unrelated AOVs could be selected in Store To AOV shader nodes.
* [C4D] Addressed an issue where converting a Substance to a ShaderGraph material would fail under certain conditions.
* [C4D] Addressed an issue in the tangent data generation.
* [Houdini] Addressed the support of single-channel and RGBA COP referenced textures.
* [Houdini] Minor GUI update in the ROP node moving the photon options to match the place found in other DCCs.
* [Houdini] Fixed several jittering and clipping issues related to the volume rendering.
* [Houdini] New “Redshift” tab menu to store all the Redshift SOP nodes.
* [Houdini] New option in the RSLight object to support the animated on/off state in the mesh lights.
* [Houdini] Added new build for H18.0.348
* [Katana] Improved and more robust ngons triangulation code.
* [Katana] Added support for Katana 3.5v1
* [RenderView] Added an option to adjust the rate of zooming with the mouse wheel when snapping is enabled, View > Zoom > Snap Rate
* [RenderView] Added an option to disable texture reloading during IPR mode to the RV called ” IPR Texture Reload” (Maya only currently)
* [RenderView] Changed the name of the Customize menu to Preferences
* [RenderView] All settings within the Preferences menu are now saved globally rather than scene based
* [RenderView] Fixed a crash that could occur when autoload is enabled and you’re opening the RV for the first time
* [RenderView] Fixed an issue where you couldn’t disable the overlay for Select-Object and Select Material
* [RenderView] Fixed an issue when a snapshot was deleted or removed selection would not be updated correctly
* [RenderView] Fixed an issue when performing a region render with a large resolution the area outside the defined region would become black
* [All] Fixed bug that could cause a crash when rendering is aborted early
* [All] Fixing some comment-related bugs with the LUT readers (cube and 3dl)
* [All] Fixed displacement-related bugs when using MaxonNoise shader in ‘world space’ mode
* [All] Displacement re-computation now honored when MaxonNoise shader is using global frame-based animation to drive it

v3.0.13

* [Maya] Added support for Maya 2020
* [Maya] Overscan support has been added to the render settings
* [Maya] Fixed an issue that would cause XGen to not update correctly
* [Maya] Fixed a crash caused by Curve Sets when deformation blur is enabled
* [Max] Fixed an issue where IPR rendering continuously resets after being initiated
* [Max] Fixed an issue where Maxon Noise always uses Object source mode
* [Max] Fixed an issue with drag-and-drop for default map in RS Multi-Map
* [Max] Fixed a bug where hidden lights are transformed to the origin after updating IPR when Render Hidden Lights is enabled
* [Max] Changing the visibility of a light no longer triggers IPR to update when Render Hidden Lights is enabled
* [Max] Reference pose vertex data is now only used when Mesh Parmeters modifier specifies a different reference node, or has Frame Number option enabled
* [Max] Added a node picker to Physical Sky for selecting an alternative sun / target
* [Max] Added Overscan support, found in the render settings under the Output tab
* [C4D] Added initial support for rendering X-Particles groups
* [C4D] Added support for refreshing Nodes material previews using the Render Materials commands in the Redshift Materials/Tools menu
* [C4D] Improved the AOV manager copy/past AOV function so that materials referenced from Custom AOVs will also be copied
* [C4D] Improved the Proxy Object which now displays a list of the internal materials
* [C4D] Addressed an issue where certain parameters of the Environment and Dome Light shaders were not effective in Nodes
* [C4D] Addressed an issue where references to Nodes materials were not evaluated correctly
* [C4D] Addressed an issue where changes to referenced materials were not reflected in the IPR
* [C4D] Addressed an issue where certain material edits were not reflected in the IPR
* [C4D] Addressed an issue where non-legacy scene units were not effective in MaxonNoise
* [C4D] Addressed an issue where certain Nodes parameters enforced hard-limits on value ranges
* [C4D] Addressed an issue where the Asset Manager allowed presets to be localized or globalized
* [C4D] Addressed an issue where Render-To-RenderView using large resolutions could lead to a hidden background render
* [Houdini] Fixed a crash while exporting proxy objects from OBJ nodes with the proxy options enabled
* [Houdini] Addressed the expansion of the packed geometry while rendering Redshift packed proxy sop nodes.
* [Houdini] Addressed a problem with the triplanar node if used inside subnets with multiple outputs
* [Houdini] Fixed a crash on exit that could be related to the corruption of the RenderView preferences file
* [Houdini] Added the pick materials and mesh objects feature to the RenderView
* [Houdini] New option in the ROP node to set the Cryptomatte IDs from the nodes full path
* [Houdini] Addressed the behavior of the RenderView freeze tessellation button to refresh the scene after unclicking it
* [Houdini] Addressed the IPR live updating of the COP based lights textures
* [Katana] Addressed the wrong rendering of location nodes inside the instance source groups
* [Katana] Added some texture parameters to the RSLight shader to support the lights texturing in GafferThree
* [RenderView] The RS_SNAPSHOT_DIR and RS_PRESET_DIR environment variables updated to REDSHIFT_SNAPSHOT_DIR and REDSHIFT_PRESET_DIR to be consistent with other Redshift environment variables
* [RenderView] Fixed a crash on C4D when changing the zoom in IPR mode with a region render
* [All] Now properly respecting the “Randomize pattern on Each frame” being OFF when using dual-pass Altus. Disabling this option can produce more stable results with animations
* [All] Fixed issue where camera offset was not properly used for out-of-frustum tessellation
* [All] Fixed issue where an empty comment in a .cube LUT would adversely affect the loading of the LUT. Also fixed a couple of other issues that could produce crashes or wrong results when loading linear or 3DL LUTs.
* [All] Fixed bug that could cause vertex format errors when using the UV input option on the new Maxon Noise shader node
* [All] Added new Automatic Sampling option

v3.0.12

* [Maya] “Apply Post-Effects to Redshift RenderView” added to AOV nodes to enable/disable post effects per AOV
* [Maya] Fixed an issue where meshes would appear at the incorrect frame when deformation blur was enabled
* [Max] Fixed issue where buttons in RS Material Switch UI operate on the wrong slot (workaround for MAXX-54738)
* [Max] Expand UI range for PuzzleMatte IDs up to 65535 – potential fix for UI errors: see https://www.redshift3d.com/forums/viewthread/28570/
* [Max] Honor the Motion Blur “enabled” option for particle systems
* [C4D] Added initial support for Cinema 4D R21 Nodes Materials – this requires Cinema 4D R21.112
* [C4D] Added an option in the System tab/Log section to control the output of warnings about invalid geometry
* [C4D] Addressed an issue leading to a hang in the TurbulenceFD simulation window
* [Houdini] Fixed a critical RenderView performance issue while working with H17.5.425 and H18.0
* [Houdini] Fixed a volume jittering problem after retiming it
* [Katana] Addressed the unsupported linking of float outputs to float3 inputs in the shader nodes
* [Katana] Golaem procedural code updated to support the latest GolaemCache node parameters related to Redshift
* [Katana] The cryptomatte node name IDs are now created using the full scenegraph paths to support assets with the same shape name
* [Katana] XGen procedural updated to support the warning and stats level parameters and custom frame timing
* [RenderView] Fixed an issue where color correction wasn’t being applied to AOVs correctly
* [All] Added Maxon noise shader
* [All] Fixed OptiX RT area lighting intensity and noise differences when seen through transparencies or refractions
* [All] Fixed bug that could cause splotchy artifacts when rendering with the matte-shadow object option

Important information for Cinema 4D R21 users:
With the introduction of Nodes materials, the minimum required version of Cinema 4D R21 is R21.112
The R21 plugin will not load in earlier versions of Cinema 4D.

v3.0.11

* [Maya] Added ‘rsRVAttributes’ to support querying from attributes from the RV
* [RenderView] Added the ability to Save Image as… with PNGs
* [All] Fixed regression bug introduced in 3.0.10 that disabled UDIM/UVTILE textures

v3.0.10

* [Maya] MASH BlendDeformation is now supported while using deformation blur
* [Maya] Fixed an issue wherein IPR mode the camera wouldn’t update correctly when keyed
* [Max] Fixed bug introduced in 2.6.49 affecting hidden lights
* [Max] Fixed bug introduced in 2.6.49 affecting hidden proxy instanced by Forest Pack
* [Max] Fixed crash during IPR when hiding/showing lights
* [Max] Proxy User Data Override + Material Replacement now extracts attributes required by the replacement materials, even if not part of the original proxy
* [Max] Added support for Deep EXR output
* [Max] Added support for Multi-part EXR
* [Max] Added missing ‘Smooth UV Boundaries’ option in RS Mesh Parameters
* [C4D] Addressed an issue where stopping the IPR under certain conditions could lead to a crash
* [C4D] Addressed an issue where certain AOV configurations could lead to a crash during IPR
* [C4D] Addressed an issue where certain IPR settings would become sticky if Redshift render settings were not present in a scene
* [C4D] Addressed an issue where the VIPR could become stuck in a refresh loop if a Shader Node had key-frames
* [Houdini] Added support for H17.5.425 and dropped support for H17.5.327
* [RenderView] Fixed an issue where post-effects would apply to puzzle matte AOVs
* [RenderView] Fixed a crash on R21 when saving images through the RV
* [RenderView] Fixed a crash when sampling from the buffer with Color Picker
* [All] Fixed bug that could cause a crash when mixing ray-switch shader nodes with shader node connections that require type conversion
* [All] Fixed bug that could mess up procedural noise and projection nodes after being applied to proxies with certain vertex attributes
* [All] Fixed bug introduced with the volume grid improvements in 3.0.09 which could make some volume grid layers (like emission) render wrong
* [All] Fixed bug introduced with the volume grid improvements in 3.0.09 which could produce crashes while filling VRAM
* [All] Fixed bug that could produce visual artifacts if the scene contained more than 4 billion unique voxels
* [All] Now supporting NVLink for geometry data, too (previously only allowed it for volume grid data)
* [All] Increased out-of-core inf loop counter to avoid false positives
* [All] Reduced certain CUDA API stalls around functions that were allocating GPU memory (which affected interactivity)
* [All] Fixed bug that could ignore the global light samples override when in IPR mode

v3.0.09

* [Maya] Isolate Selected updated to isolate shaders
* [Maya] Added support for passing user data to Redshift Maya extensions
* [Maya] Added support for assigning user data to Xgen, Ornatrix and Shave
* [Maya] Fixed an issue where instancers wouldn’t render correctly when motion blur was enabled
* [Max] Fixed bug where transform updates for Ornatrix Hair have no effect in IPR
* [Max] IPR improvement: update animated object transforms when moving the time slider
* [C4D] Added experimental support for IPR in the viewport, available through the Viewport IPR option in the Redshift * menu
* [C4D] Added support for automatically locking the RenderView to the render camera
* [C4D] Added support for ignoring geometry modifications during IPR, through the new Freeze Geometry icon in the * RenderView; use this to prevent IPR updates from frequently changing objects
* [C4D] Added support for previewing Cryptomatte AOVs during IPR in bucket mode, and when rendering to the RenderView
* [C4D] Added a new option in the global preferences to control whether a Maxon subscription license should be used or * not
* [C4D] Improved the toolbar icon behavior in the RenderView
* [C4D] Addressed an issue where the Cinema 4D Distorter shader could not be baked
* [C4D] Addressed an issue leading to inconsistent behavior with Save Project with Assets under certain conditions
* [C4D] Addressed an issue where certain scene edits might not be reflected in the IPR under certain conditions
* [C4D] Addressed an issue with the automatic creation of materials from substances in R21, leading to incorrect * channels being sourced
* [Houdini] Fixed an issue with the RenderView click to focus CoC radius parameter
* [Houdini] Addressed the packed geo instancing in “Centroid” pivot location mode
* [Houdini] Refactoring of the packed geo multi-thread extraction code to avoid crashes and hangs
* [Houdini] Fixed some minor memory leaks
* [Houdini] Support of the first material found from the shop_materialpath primitive attributes while rendering objects * as particles
* [Houdini] Fixed several issues related to the RenderView Click-to-Focus feature
* [Houdini] Fixed a problem with the dot connector while working with math VOP nodes including two or more outputs
* [Houdini] New REDSHIFT_DEFAULT_SHADER_COLOR environment variable to configure the default shader color as three float * RGB values
* [Houdini] New REDSHIFT_RV_OPEN_ONLY environment variable that can be set to 1 to open the RenderView from the shelf * tool without rendering
* [Houdini] New fast packed geo expansion option in the RS ROP node, Main tab. This feature is useful while rendering * OBJ nodes with a massive amount of packed primitives
* [Houdini] Addressed the RenderView default opening size to fit all the toolbar icons
* [Houdini] New GUI design in all the RSLight nodes, with all the main features available in a single tab
* [Houdini] Added support for H17.5.391 and dropped support for H17.5.293
* [Katana] Fixed a bug in the cryptomatte user custom IDs processing
* [Katana] New REDSHIFT_DEFAULT_SHADER_COLOR environment variable to configure the default shader color as three float * RGB values
* [Katana] New option in the RedshiftOutputChannelDefine to configure the channel data type in the material, beauty and * custom channels
* [Katana] The puzzle matte and motion vectors channels are now exported as RGB without the alpha channel
* [Katana] (EXPERIMENTAL) Added support for the XGen and Golaem procedurals
* [RenderView] Select Object from the RS RV frame buffer has been added for Maya. Limited to Mesh objects currently.
* [RenderView] Select Materials from the RS RV frame buffer has been added for Maya.
* [RenderView] Added overlays for the Click to Focus, Select Object, and Select Materials modes to know when the modes are active and their controls.
* [RenderView] Added an option to disable the Click to Focus, Select Object, and Select Materials overlays in the Customize menu
* [RenderView] Fixed an issue where the Click to Focus position didn’t always match the clicked position
* [RenderView] Fixed a crash on R21 when taking snapshots
* [RenderView] Fixed a crash that could happen when deleting Snapshots
* [RenderView] Fixed an issue where the Pixel Sampler would be blocked from selecting a region of pixels on the frame buffer
* [All] Now using less CPU memory when loading high-resolution VDBs
* [All] Improved volume grid memory management to allow it to address much larger amounts of VRAM. The full-rez Moana cloud is now loadable by GPUs that have enough VRAM.
* [All] Enabling NVLink for volume grid memory. It’s enabled automatically when the GPU memory needed by the volume grids exceeds half of the available GPU memory.
* [All] Fixed crash bug that could happen if transformation blur was enabled and IPR was running and a mesh obtained motion from being motionless.
* [All] Added workaround for DeepEXR/Cryptomatte out of memory issues
* [All] Fixed issue where, when the OptiX denoiser was enabled, some scene updates could force VRAM to be freed and reallocated (which is slow on some computers).

v3.0.08

* [Maya] Fixed Xgen command-line rendering errors
* [Maya] Fixed an issue when rendering constrained camera objects they were not matching the viewport
* [Maya] Fixed an issue where selecting objects would refresh IPR with Isolate Selected turned off
* [Max] Fixed issue where 3ds Max thought the scene had changed after startup
* [Max] Extended maximum Refraction IOR on RS Material to 100, to match Maya
* [Max] Texture baking now uses “Dilation” to fill empty space, as we already do in other DCCs
* [Max] Post FX parameters are no longer stored with the scene if Redshift is not the current renderer
* [C4D] Support for TurbulenceFD in Cinema 4D R21. Requires TurbulenceFD v1.1448 or greater
* [C4D] Addressed an issue in R21 where previews in the material manager would not update under certain conditions.
* [C4D] Addressed an issue where transform changes to an Environment object would not be reflected in the IPR when the Use Transform is enabled.
* [Houdini] Added support for op: and opdef: textures in the bokeh image parameter.
* [Houdini] Fixed a crash if the final rendering resolution becomes negative due to the overscan settings.
* [Houdini] Addressed the RSLightDome intensity and exposure parameter slider ranges.
* [Houdini] Experimental fix for a crash on exit from several non-GUI tools on Linux, like the new HDAProcessor.
* [Houdini] Addressed an unexpected IPR refresh while selecting the camera node the first time.
* [Houdini] Refactoring of the AOVs ROP workflow, that now works referenced from the main RS ROP, AOVs tab, not linked to it.
* [Houdini] Improved support of the RenderView Isolate Selected feature, including lights and subnets selections.
* [Houdini] RenderView preferences file renamed to avoid problems between RS 2.6 and 3.0 if installed in the same system.
* [Houdini] Addressed the “Redshift_updateIPR” command to don’t start the rendering if the IPR is stopped or disabled.
* [Katana] Fixed the viewport clipping of the RS proxy and volume objects in the viewer.
* [RenderView] Added customization options for the Region render overlay in Customization > Region > Configuration
* [RenderView] Added a checkbox to apply Color Controls to the alpha channel
* [RenderView] Fixed an issue when selecting and adjusting the Region overlay was not accurate
* [RenderView] Fixed an issue where Pixel Sampler’s stored pixels were not being represented correctly on the frame buffer
* [RenderView] Fixed an issue where selecting the Path edit box for Snapshot Configuration would be blocked
* [RenderView] Fixed an issue where the Click to Focus CoC Radius circle would persist after releasing Alt+Drag
* [RenderView] Fixed an issue where enabling and disabling Bokeh would cause Click to Focus to not enable Bokeh in Maya
* [RenderView] Fixed an issue where the Maya RS RV’s interactive camera functionality would be blocked by Click to Focus, neither can be active at the same time now.
* [RenderView] Fixed an issue where Color Controls, Color Management, and LUT could save/load correctly
* [RenderView] Fixed an issue where right-clicking isolate selected would lock up Houdini when docked
* [All] Now gracefully handling OptiX 6.5 issues because of out-of-date drivers or unsupported GPUs
* [All] Added support for OCIO looks applied to view
* [All] Added new environment variable ‘REDSHIFT_TEXTUREFILELOCKINGDISABLED’ to disable texture file locking; this can help improve performance on Operating Systems that have slow file locking mechanisms, for when textures have been pre-converted and are not going to be copied to the local cache.
* [All] Fixed bug that could break ray-switch shader logic when custom AOVs are enabled
* [All] Fixed a proxy inefficiency that would keep unused textures around after being replaced by materials that don’t use them
* [All] Fixed bug that could cause corruption of AOVs when applying the ‘secondary ray visibility’ option to custom AOVs

v3.0.07

THIS VERSION ADDS OPTIX 6.5 SUPPORT. YOU WILL NEED TO INSTALL AN NVIDIA DRIVER NUMBERED 435 OR HIGHER!
* [Maya] Fixed an issue where Bokeh was not applied when the Redshift Render View enabled Bokeh
* [Maya] Fixed an issue where closing the Redshift Render View would cancel renders from the Maya Render View or batch renders
* [Max] Fixed a crash using Ornatrix Mesh From Strands modifier
* [Max] Fixed issue where replacing controllers on RS math/color shaders can crash 3ds Max
* [C4D] Added R21 support
* [C4D] Addressed a regression issue with “Save Project With Assets” for textures that live in the C4D “tex” folder or the Search Paths
* [C4D] Addressed an issue where certain VertexMap or VertexColor tag modifications would be detected during IPR
* [C4D] Addressed an issue on OSX leading to the Cinema 4D application menu missing the Preferences and About options
* [Houdini] Added support for H17.5.360 and dropped support for H17.5.258
* [Houdini] Fixed a crash while working with the new Redshift OAVs ROP
* [Houdini] Improved support for the packed fragments instancing
* [Houdini] Fixed a crash in the Redshift Proxy output SOP
* [Houdini] Addressed the unsupported linking between null and dot VOP nodes
* [Houdini] New option in the RS OBJ spare parameters to set the velocity attribute name
* [Katana] Added support for Katana 3.2v1
* [Katana] Addressed the unsupported linking of rgba outputs to float3 inputs in the shader nodes
* [RenderView] Added feature Isolate Selected (currently only available for Maya’s Redshift RenderView)
* [RenderView] Major performance improvements to the Pixel Sampler
* [RenderView] Fixed an issue where sampling an area with the Pixel Sampler would not draw correctly
* [RenderView] Fixed an issue where the RV would display black on OSX
* [RenderView] Fixed an issue when loading a snapshot it would partically cut off and appear black
* [All] Now using OptiX 6.5
* [All] Fixed rare bug that could cause a crash when sun-sky shaders are in the scene
* [All] Fixed crash with OptiX denoiser when the unified filter radius was set greater than 2
* [All] Fixed issue in texture out-of-core streaming system that would ignore the ‘CPU affinity’ option and potentially hog the CPU

v3.0.06

* [Maya] Fixed an issue where the Redshift RenderView’s interactive camera occasionally stopped working when the camera was unlocked
* [Maya] Fixed an issue where panning with the Redshift RenderView’s interactive camera feature didn’t scale correctly
* [Maya] Fixed a crash when applying an attribute preset to the RedshiftPostEffects node
* [Maya] Fixed a crash when querying the ‘materialNameList’ attribute of Redshift proxy nodes
* [Max] Fixed bug introduced in 2.6.40 where deformation blur renders with 3 steps after IPR is updated
* [Max] Fixed crash with deformation blur enabled when Alembic vertex velocities are zero
* [Max] Add denoising support for Render To Texture
* [C4D] Improved the DOF Focus Picker in the RenderView which now adjusts the camera parameters if an RSCamera tag is present.
* [Houdini] Vertex tangents computed automatically when needed by the object shaders, even without enabling the option available in the spare parameters.
* [Houdini] Updated the RSLightSun HDA to use the Hosek-Wilkie environment sky model by defatul.
* [Houdini] Addressed the RS material VOPs dragging into the viewports objects feature.
* [Houdini] Addressed the execution order of the “On Created” scripts in the RS vopnet and shop nodes.
* [Houdini] New proxy options to exclude elements inside the file (meshes, volumes, lights, or proxies) from rendering.
* [Houdini] Addressed the limitation related to the packed geo instancing in the “Centroid” pivot location mode.
* [Houdini] Added support for packed fragments to the packed geo instancing feature.
* [Houdini] New “Flip Horizontal” option in the RSLightDome.
* [Houdini] Addressed the problem with the hair gen nodes viewport curves colors.
* [Houdini] Fixed a rare crash while rendering in the viewports with the abort on license fail or on missing resources option enabled.
* [Houdini] Added support for animated objects/matte/lights lists.
* [Houdini] New “Redshift Packed Proxy” SOP node, designed to help while working with proxy objects at the SOP level.
* [Houdini] Addressed the shape and color of several nodes (lights, SOPs, etc.)
* [Houdini] Support the RenderView “Render” feature in progressive mode if it is enabled in the ROP node.
* [Houdini] Fixed the camera DOF settings RenderView update while working with locked cameras.
* [Houdini] New “Redshift AOVs” ROP node that can be linked to the RS ROPs to override the AOVs configuration.
* [Katana] Fixed a crash while rendering light AOVs without filenames or in preview mode.
* [Katana] Added support for the mesh lights in the Hydra viewer.
* [Katana] Addressed the proxies solid preview mode in the Hydra viewer.
* [Katana] New “Flip Horizontal” option in the RSLightDome.
* [Katana] Added support for the global proxy materials override from the MaterialAssign node.
* [Katana] The AOVs layer names are now extracted from the RenderOutputDefine nodes, “outputName” parameter, not from the channel name, so you can set any name with any format for the EXR layer there.
* [Katana] New “light_group” parameter in the RenderOutputDefine node to select the light group to be used in this AOV.
* [Katana] “Auto” light_group mode to build all the light groups AOVs from a single RenderOutputDefine node appending the light group name, that was the old behavior.
* [RenderView] Comparison view using snapshots with “Apply post effects” enabled will now display the snapshot’s post effect settings on the corresponding A / B side
* [RenderView] Bokeh controls have been added to the display tab
* [RenderView] Dragging while in Click to Focus mode will now update the Focus Distance
* [RenderView] While in Click to Focus mode holding ALT and dragging will allow you to adjust the CoC Radius
* [RenderView] Added the “Remove” option to the snapshots right-click menu
* [RenderView] Fixed an issue where deleting a snapshot would not delete the file on disk.
* [RenderView] Fixed an issue when using Interactive Camera controls in Maya it would cause the RV to lose focus
* [RenderView] Fixed an issue where auto-loading snapshots mistakenly load images from the working directory if no snapshots directory is configured
* [All] Added -oif (override image format) option to redshiftCmdLine
* [All] Fixed bug where cryptomattes rendered using redshiftCmdLine would not contain the correct manifest
* [All] Fixed bug that would cause certain global rendering options to get ‘stuck’
* [All] Fixed rare/obscure bug that could cause weird shadow results when coating transmittance is enabled on RSMaterial
* [All] Fixed issue that would cause corrupt baking when sampling optimizations are enabled
* [All] Fixed rare bug that could cause a crash when more than 32 UV attributes are applied to a mesh

v3.0.05

* [Maya] Fixed bug that could cause vertex or particle attributes to be dropped when custom AOVs are output
* [Max] Fixed bug where Cryptomatte render element is ignored when rendering with Backburner
* [Max] Fixed potential crash for material preview using custom sample object in Material Editor
* [Max] Fixed issue where material preview would appear black for custom sample object after modifying the material
* [Max] Fixed issue where rotating custom sample object in Material Editor had no effect
* [C4D] Improved the UI for Direct AOVs which now shows the effective output path
* [C4D] Addressed an assertion error relating to MoGraph attributes
* [C4D] Addressed an issue where deleting a Sun/Sky Rig during IPR could lead to a crash under certain conditions
* [Houdini] Fixed a problem with the Houdini native viewports render region tool and the Cryptomatte AOV
* [Houdini] Fixed a problem with the Instance OBJ transformations when Redshift is installed
* [Houdini] Redshift is now available as a renderer in the rendering preferences
* [Houdini] Initial support for the Houdini Material Palette (requires Houdini 17.5.306 or later)
* [Houdini] Added the automatic RenderView preferences save/restore to file feature
* [Houdini] Now the scene extraction can be aborted using the “Esc” key; this happens after the current objects being extracted are done
* [Houdini] New Redshift RenderInfo panel, including the rendering memory statistics and the Redshift log
* [Houdini] Added the HScript “Redshift_openRenderInfo” command to open the Redshift RenderInfo tool as a floating window
* [Katana] Added support for custom monitor drivers
* [Katana] The file input type widgets are now assetIdInput widgets to support the Asset API
* [Katana] Added Hydra viewer support for the strands, proxy, volume, and RS lights objects
* [All] Fixed potential issue with auto crop not working properly with region renders
* [All] Fixed bug that could produce incorrect bounds during scene preprocessing and make rendering slow
* [All] Fixed bug that could cause random ‘misaligned address’ GPU crashes

v3.0.04

* [Maya] Fixed bug that caused unpredictable cryptomatte ids for Xgen, Ornatrix and Shave
* [Max] Fixed bug where the Render Default Lights setting was ignored when starting/resetting IPR
* [Max] Fixed bug where changing the Render Default Lights setting did not update IPR
* [Max] Fixed bug where an object with disabled motion blur can be rendered at the wrong time step
* [Max] Increased Fisheye FOV limit to 360 degrees
* [Max] Removed 100-pixel limit for Max Motion parameter in Motion Vectors AOV
* [C4D] Addressed issue where DOF focus picking would not work correctly under certain circumstances
* [Houdini] Added support for H17.5.293 and dropped support for H17.5.173
* [Katana] Added the support of the “*” and “?” wildcard in the proxy files material overrides
* [All] Fixed bug that could cause a random assert when rendering with AMM enabled, especially when rendering with multiple GPUs
* [All] Fixed bug that could cause light group AOVs to contain garbage
* [All] Fixed bug that could cause random artifacts when rendering with ICP GI or point-based SSS

v3.0.03

* [Max] Fixed bug that caused a loss of horizon detail for Pure Ocean geometry in Phoenix FD
* [Max] Added PostFX output switches for Max Framebuffer, effective when Render View is disabled and not outputting to file
* [Max] PostFX CPU render is no longer applied to Max buffers when Render View is enabled and not outputting to file
* [RenderView] Click to Focus added to the Redshift RenderViewer
* [All] Fixed rarely occurring bug that could produce line artifacts when volume grids intersected with each other
* [All] Fixed VRAM freeing bug that could produce crashes with OptiX/RTX
* [All] Fixed bug that could make IPR sluggish when OptiX/RTX was enabled – even when the camera was simply moving
* [All] Fixed bug that could cause AOV error “Bad diffuse AOV offset!” when using certain AOV combinations

v3.0.02

* [Maya] Added the mel script command “rsNodeMonitor” with the flags -enable, -disable, and -off to reduce FPS slowdown after loading Redshift
* [Maya] Add Redshift script path to PYTHONPATH programmatically if it’s not there; this works around python errors when PYTHONPATH is defined at the system level
* [Maya] Fixed bug that prevented Redshift materials from appearing in the “assign favorite material” list
* [Maya] Fixed bug that prevented PostFX attached to camera from being used automatically when rendering from said camera
* [Max] Fixed crash related to rendering objects with no geometry
* [Max] Fixed bug that could cause a crash when starting IPR before Render View is first opened
* [Max] Fixed bug where Render View state was not restored from a scene when Render View is first opened
* [Max] Fixed bug where loaded snapshots display black if nothing has yet been rendered in Render View and Post FX is enabled
* [Max] Added Redshift Toolbar
* [Max] Remove spin-waits to reduce CPU usage while rendering
* [Max] Addressed some rare edge-cases that can corrupt rendering state
* [Max] Render View render info is now updated for IPR
* [C4D] Added support for disabling specific Substance Assets
* [C4D] Improved support for user attributes in Crypromatte AOVs
* [C4D] Addressed a viewport/interactivity performance issue on OSX
* [C4D] Addressed an issue where hidden or disabled custom particle objects would still be allocated in the distribution
* [C4D] Addressed a regression issue where time-dependent nodes were not triggering an IPR update
* [Houdini] Fixed an issue with the RenderView camera selector list initialization.
* [Houdini] Addressed a problem with the proxy sequences preview SOP when a proxy frame is not available.
* [Houdini] Added the support of the area size parameter in the RS mesh lights.
* [Houdini] Addressed the automatic creation of the RS OBJ spare parameters in the instance and hairgen OBJ nodes.
* [Houdini] Addressed the RenderView PostFX behavior with the additional beauty AOVs, that should have this feature disabled.
* [Houdini] Added support for tessellation/displacement to the RS strands objects.
* [Houdini] Fixed a bug related to our plugin that was crashing other ROPs (like the OpenGL ROP) if rendered from hython.
* [Houdini] The “Redshift_about” hscript command now also returns the about information if called from hython.
* [Houdini] Added an invisible “vm_picture” parameter to the RS ROP node linked to “RS_outputFileNamePrefix” to try to improve the TOP ROPFetch node support.
* [Katana] The RedshiftRenderInfoDump tool has been updated to export some basic information about the Redshift shaders.
* [RenderView] Added the ability to store RenderView options in Snapshots notes through Customize > Snapshots > Notes > Render Options
* [RenderView] Added the ability to select from a list of Render Options to include in Render Info > Format from the right-click prompt
* [RenderView] Fixed an issue where snapshots could appear all black if you didn’t render once first
* [RenderView] Fixed an issue where pressing Enter after changing the name of a snapshot could occasionally cause a crash
* [All] Fixed bug that could produce shading artifacts on hair meshes when using point-based SSS
* [All] Fixed visual artifact bug with ray-traced SSS on hair meshes
* [All] Fixed bug that could cause AOV corruption when translucency/diffuse back-faced lighting is enabled
* [All] Disabled raw AOV output for AOVs that have secondary ray visibility through refraction/transparency
* [All] Fixed bug that could negatively affect rendering performance under certain circumstances, compared to 2.6
* [All] Fixed light group AOV glitch bug and numerous AOVs bugs relating to the new secondary ray visibility option
* [All] Fixed bug that could cause corrupt-looking indirect lighting when many rays are shot
* [All] Fixed ancient bug that could knock out puzzle-mattes visibility through reflections/refractions when there are many puzzle-mattes enabled
* [All] Fixed bug that could cause volume and puzzle-matte AOVs to appear noisy
* [All] Fixed some OptiX (RTX) memory leaks
* [All] OptiX (RTX) out of memory failures will now fall back to legacy CUDA ray tracing

v3.0.01

* [Max] Increased max trace depths from 16 to 63
* [C4D] Added a Tint Texture option to RSLights.
* [C4D] Fixed issue that could produce initialization or shutdown crashes when TurbulenceFD is also installed
* [All] Increased shader trace depth overrides max to 63
* [All] Fixed bug that could cause corrupt renders when Automatic Memory Management is enabled
* [All] Fixed bug that could cause rays to be lost under certain circumstances
* [All] Fixed hair MPW issue with OptiX/RTX
* [All] Fixed initialization crash in OptiX denoiser which was incorrectly trying to use less-than-5.0 compute capability GPUs
* [All] Removed the new ‘Secondary Ray’ option from Refraction AOVs, as it was causing problems and shouldn’t have been there in the first place
* [All] Fixed bug that prevented indirect lighting AOVs from showing up through refractions/transparencies
* [All] Fixed bug that could have produced noisy/dark lighting AOVs through refractions/transparencies
* [All] Fixed ancient bug that could cause premature reflection trace-depth termination when materials have overridden trace depths

v3.0.00

* Initial 3.0 release

Version 2.6.55 – 14 June 2020

This build includes plugins for Maya, 3ds Max, Houdini, C4D, Softimage and Katana

Redshift 2.6 versions require NVidia driver version 390.65 or later (Windows), 390.25 or later (Linux) and 387.128 or later (macOS)

Download Windows installer
Download Windows zero-install zip package
Download Linux installer
Download MacOS installer

Click here for online documentation (including setup instructions)

Release Notes
* [Maya] Fixed MEL AE errors in Maya 2020 with the StoreColorToAov node
* [Maya] Fixed an issue where instanced proxies were not motion bluring correctly
* [Maya] Added support for Ornatrix in Maya 2020
* [Maya] Fixed an issue where the RenderView was not enabled for Maya 2016
* [Max] Fixed an issue where shaders on non-English systems failed to be recognized by Redshift
* [Max] Fixed a bug affecting Ornatrix Ox Mesh from Strands modifier in camera-facing configuration
* [Max] Fixed a bug where the vignetting effect is not applied to a rendered image in Render View after moving the time slider
* [Max] Fixed a bug affecting materials on objects using velocity-based deformation blur
* [Max] Demoted log-level of “Conversion failed for object XXX” message to Debug
* [Max] Dome Light viewport preview visibility default value is now Off
* [C4D] Addressed a crash issue on Linux when Cinema 4D terminates
* [C4D] Addressed a crash issue when incompatible UVW tags are referenced
* [C4D] Addressed an issue where the Asset Manager allowed presets to be localized or globalized.
* [C4D] Addressed an issue in Cinema 4D R20 or newer where the ShaderGraph Color+Alpha parameters would be shown in the UI without factoring the input color profile
* [C4D] Addressed an issue affecting the relinking of UDIM and UVTILE in the Asset Manager
* [Houdini] Added support for H18.0.460 and dropped support for H18.0.348
* [Houdini] New option in the ROP node to set the Cryptomatte IDs from the nodes full path
* [Katana] Fixed several issues in the Golaem procedural interface
* [Katana] Addressed the cryptomatte material names, now configured from the scene material paths
* [Katana] New option in the RedshiftRenderSettings node to configure the cryptomatte material IDs from full paths
* [All] Proxies exported with this version will now also include the camera bokeh and lens distortion images in the proxy dependencies stored in the proxy header
* [All] Fixed bug that could produce visual artifacts on VDB intersections
* [All] Fixed bug that could cause incorrect tangent attributes (and broken lighting) for deformation blur proxies
* [All] Fixed bug with ray-traced SSS which could produce weird dark edges if the object was fairly complex and the SSS radius was large
* [All] Improved importance sampling of volume grids. There should now be fewer or no “fireflies” on them
* [All] Removed some logging from Cryptomatte as it could overburden and crash the log file
* [All] Fixed bug that could trigger a queue counting assert for certain bump mapping texture node combinations
* [All] Fixed bug that could miscalculate some internal buffer sizes and make scenes render with excessive out-of-core
* [All] Fixed bug that could “clip” motion-blurred hair if it used more than 2 deformation steps
* [All] Fixed bug that could sometimes produce wrong normals for instanced meshes that are scaled
* [All] Fixed bug that would cause custom AOVs to not be visible through secondary rays

Redshift Customer Build 2.6.54

Released 21 April 2020

This build includes plugins for Maya, 3ds Max, Houdini, C4D, Softimage and Katana

Redshift 2.6 versions require NVidia driver version 390.65 or later (Windows), 390.25 or later (Linux) and 387.128 or later (macOS)

Download Windows installer
Download Windows zero-install zip package
Download Linux installer
Download macOS installer

Click here for online documentation (including setup instructions)

Release Notes
* [Maya] Fixed a crash caused by hiding the Sunlight of the environment Sky shader
* [Maya] Fixed an issue where turning off Motion Blur from Render Stats wouldn’t actually turn off Motion Blur
* [Maya] Fixed an issue where animated Meshes would not appear correctly
* [Maya] Added a checkbox called “Enable MASH Mode” to the motion blur section of the Redshift render settings
* [Maya] Fixed bug in Redshift’s helper functions for the Render Setup system in Maya 2019 and above
* [Maya] Fixed bug that caused certain drop-down shader attributes from being off by 1 in Maya 2020
* [Max] Added support for 3ds Max 2021
* [Max] Fixed potential crash when deleting objects during IPR
* [Max] Fixed a bug where utility buffers for Altus denoising were not saved for the Beauty when using 3ds Max file output
* [Max] Added velocity-based deformation blur support for Bifrost meshes
* [Max] Material override enable-state now ignored during IPR—use Render View’s Clay Mode instead
* [Max] Proxy export now always includes a camera—if None specified, then one is created based on render viewport settings (locked or active)
* [C4D] Added support for Cinema 4D S22. The minimum required version is S22.016
* [C4D] Addressed an issue where custom User-Data would not correctly when used through XRefs with namespaces
* [C4D] Addressed an issue in the tangent data generation
* [C4D] Addressed an issue where the Redshift menu could appear multiple times in the Cinema 4D main menu, under certain conditions
* [C4D] Addressed a freeze issue on OSX when starting the IPR from the RenderView in versions of Cinema 4D up to R19
* [Houdini] Added support for H18.0.391 and H18.0.416 and dropped support for H18.0.287, H17.5.391 and 17.5.425
* [Katana] Fixed a crash while exporting deep EXR files including the ObjectID AOV
* [Katana] New custom menu for the GrafferThree Redshift light packages
* [Katana] Added support for environment variable REDSHIFT_FORCEQUITONINTERNALERROR, which when set to any value other than 0, will force a hard crash when an unrecoverable error occurs while rendering
* [Katana] Fixed a problem in the GafferThree light packages while adopting for editing.
* [Katana] Point type AOVs channels renamed to X, Y, Z
* [Katana] Fixed a problem with the tangents computation
* [All] Fixed bug in Redshift core that could produce crashes if a 3d plugin issued many error log entries in a multithreaded way
* [All] Fixed bug that could cause a hard crash in the core when using a State node to drive material displacement or bump shaders
* [All] Fixed bug that could not update scene if hair min pixel width settings were tweaked
* [All] Fixed bug where the scatter ramp color of a volume grid could affect another volume grid if the start ramp color was anything else other than black
* [All] Fixed a rare texture sampling crash bug with message “Expression: pNode->GetPhysicalID() != 0xFFFFFFFF”
* [All] Fixed volume grid bug that made color channels not work in some cases
* [All] Fixed bug that could cause a “Mem copy is too big for buffer” assert when using many sprite nodes
* [All] Fixed bug that could produce visual artifacts when VDBs overlapped
* [All] Fixed bug that could cause crashes during shader ball rendering. Please read this post for more info: https://www.redshift3d.com/forums/viewthread/30444/

Customer Build Version 2.6.53

Released: 26 February 2020

This build includes plugins for Maya, 3ds Max, Houdini, C4D, Softimage and Katana

Redshift 2.6 versions require NVidia driver version 390.65 or later (Windows), 390.25 or later (Linux) and 387.128 or later (macOS)

Download Windows installer
Download Windows zero-install zip package
Download Linux installer
Download MacOS installer

Click here for online documentation (including setup instructions)

Release Notes
* [Maya] Fixed issue with selecting renderable camera in render globals (Maya 2019 and 2020)
* [Maya] Fixed bug that resulted in unpredictable behavior with Redshift light groups on native Maya lights
* [Max] Fixed a bug where shaderballs do not render correctly after changing system units
* [Max] Fixed a bug where a deleted object’s transform is lost when restoring it via Undo during IPR
* [Max] Fixed baking issue affecting objects with adjusted pivot transforms


Customer Build Version 2.6.52

Release Date: February 21, 2020

This build includes plugins for Maya, 3ds Max, Houdini, C4D, Softimage and Katana

Redshift 2.6 versions require NVidia driver version 390.65 or later (Windows), 390.25 or later (Linux) and 387.128 or later (macOS)

Download Windows installer
Download Windows zero-install zip package
Download Linux installer
Download MacOS installer

Click here for online documentation (including setup instructions)

Release Notes
* [Max] Fixed an issue where hidden objects were being evaluated at render-time
* [Max] Fixed an application freeze when stopping IPR while rendering a shaderball
* [Max] Fixed a crash when rendering shaderballs for Multi/Sub-Object in Max 2014 (possibly affects other versions too)
* [Max] Fixed a bug introduced in 2.6.48 where OCIO View Transform is not saved with the scene
* [Max] Fixed issue in Max 2014-2017 where the Redshift toolbar remained visible in Expert Mode
* [Max] Fixed issue in Max 2014-2017 where the Redshift toolbar in vertical-docked orientation did not display correctly at startup
* [Max] Fixed issue from Max 2019 onwards where the Redshift toolbar is always visible after startup, even if it had been hidden
* [Max] Fixed issue where light include/exclude lists and Trace Sets did not work inside XRef scenes
* [Max] Increased IPR restart “grace period” following the rendering of a shaderball, to reduce interruptions if multiple shaderball renders are queued
* [Max] Proxy Export dialog now matches the initially-selected camera to the active viewport
* [C4D] Addressed an issue where Direct AOVs could use an incorrect frame number when rendering through the RenderQueue under certain conditions.
* [C4D] Addressed an issue where Cloners with instancing enabled could trigger a crash under certain conditions.
* [C4D] Addressed an issue in the handling of Irradiance Point Cloud and Irradiance Cache files when frame blending is enabled.
* [Houdini] Added new build for H18.0.348
* [Houdini] New HScript command “Redshift_IPRRenderingState” to get the IPR/RenderView rendering state.
* [Houdini] Fixed a crash in the strands feature while working with the Maxon noise shader.
* [Katana] Added support for Katana 3.5v1
* [Katana] Added support for hidden polygons from the geometry.arbitrary.hiddenFacesList attribute or from invisible facesets.
* [Katana] Fixed the live updating of the solo/mute lights state inside the GafferThree rigs.
* [Katana] Custom GafferThree package classes for the RS Lights.
* [Katana] Fixed an issue in the RedshiftOutputChannelDefine node hide parameters logic.
* [RenderView] Fixed an issue when a snapshot was deleted or removed selection would not be updated correctly
* [RenderView] Improve mouse hit-testing for region box adjustments
* [All] Fixing some comment-related bugs with the LUT readers (cube and 3dl)
* [All] Altus now renders without watermarks – for free! grin Please see this: https://www.redshift3d.com/forums/viewthread/29452/
* [All] Potential fix for a random crash when changing block size during progressive rendering
* [All] Fixed handling of invalid AOVs that could cause a rare crash
* [All] Now zero-padding the Cryptomatte hashes
* [All] Fixed verbose logging issue that was reporting a bogus error message when allocating pinned memory

Customer Build Version 2.6.51

Release Date: December 20, 2019

This build includes plugins for Maya, 3ds Max, Houdini, C4D, Softimage and Katana

Redshift 2.6 versions require NVidia driver version 390.65 or later (Windows), 390.25 or later (Linux) and 387.128 or later (macOS)

Download Windows installer
Download Windows zero-install zip package
Download Linux installer
Download macOS installer

Click here for online documentation (including setup instructions)

Release Notes
* [Maya] Added support for Maya 2020
* [Maya] Fixed an issue that would cause XGen to not update correctly
* [Maya] Fixed an issue where meshes would appear at the incorrect frame when deformation blur was enabled
* [Maya] Fixed a crash caused by Curve Sets when deformation blur is enabled
* [Max] Fixed an issue where IPR rendering continuously resets after being initiated
* [Max] Fixed an issue with drag-and-drop for default map in RS Multi-Map
* [Max] Fixed issue where buttons in RS Material Switch UI operate on the wrong slot (workaround for MAXX-54738)
* [Max] Expand UI range for PuzzleMatte IDs up to 65535 – potential fix for UI errors: see https://www.redshift3d.com/forums/viewthread/28570/
* [Max] Honor the Motion Blur “enabled” option for particle systems
* [C4D] Addressed an issue leading to a hang in the TurbulenceFD simulation window
* [C4D] Addressed an issue with substance conversion in C4D R21.115
* [Houdini] Added support for Houdini versions H18.0.287 and H17.5.460
* [Houdini] Dropped support for Houdini versions H16.0.736 and H17.5.360
* [Houdini] Fixed a critical RenderView performance issue while working with H17.5.425 and H18.0
* [Houdini] Fixed a crash on exit that could be related to the corruption of the RenderView preferences file
* [Katana] Addressed the unsupported linking of float outputs to float3 inputs in the shader nodes
* [Katana] Golaem procedural code updated to support the latest GolaemCache node parameters related to Redshift
* [Katana] The cryptomatte node name IDs are now created using the full scenegraph paths to support assets with the same shape name
* [Katana] XGen procedural updated to support the warning and stats level parameters and custom frame timing
* [Katana] Addressed the wrong rendering of location nodes inside the instance source groups
* [Katana] Added some texture parameters to the RSLight shader to support the lights texturing in GafferThree
* [RenderView] The RS_SNAPSHOT_DIR and RS_PRESET_DIR environment variables updated to REDSHIFT_SNAPSHOT_DIR and REDSHIFT_PRESET_DIR to be consistent with other Redshift environment variables
* [RenderView] Fixed an issue where color correction wasn’t being applied to AOVs correctly
* [RenderView] Fixed a crash on C4D when changing the zoom in IPR mode with a region render
* [All] Now properly respecting the “Randomize pattern on Each frame” being OFF when using dual-pass Altus. Disabling this option can produce more stable results with animations
* [All] Fixed issue where camera offset was not properly used for out-of-frustum tessellation
* [All] Fixed issue where an empty comment in a .cube LUT would adversely affect the loading of the LUT. Also fixed a couple of other issues that could produce crashes or wrong results when loading linear or 3DL LUTs.

Experimental Build Version 3.0.13

Release Date: December 20, 2019

This build includes plugins for Maya, 3ds Max, Houdini, C4D, Softimage and Katana

Redshift 3.0 versions require NVidia driver version 436.XX or later (Windows and Linux) and 387.128 or later (macOS)

Download Windows installer
Download Windows zero-install zip package
Download Linux installer
Download macOS installer

Click here for online documentation (including setup instructions)

Please see this post for information regarding trace depth compatibility with 2.6 scenes:  https://www.redshift3d.com/forums/viewthread/25467/

*Please read this for info on experimental 3.0 releases: https://www.redshift3d.com/forums/viewthread/25296/

Release Notes
* [Maya] Added support for Maya 2020
* [Maya] Overscan support has been added to the render settings
* [Maya] Fixed an issue that would cause XGen to not update correctly
* [Maya] Fixed a crash caused by Curve Sets when deformation blur is enabled
* [Max] Fixed an issue where IPR rendering continuously resets after being initiated
* [Max] Fixed an issue where Maxon Noise always uses Object source mode
* [Max] Fixed an issue with drag-and-drop for default map in RS Multi-Map
* [Max] Fixed a bug where hidden lights are transformed to the origin after updating IPR when Render Hidden Lights is enabled
* [Max] Changing the visibility of light no longer triggers IPR to update when Render Hidden Lights is enabled
* [Max] Reference pose vertex data is now only used when Mesh Parameters modifier specifies a different reference node or has Frame Number option enabled
* [Max] Added a node picker to Physical Sky for selecting an alternative sun/target
* [Max] Added Overscan support, found in the render settings under the Output tab
* [C4D] Added initial support for rendering X-Particles groups
* [C4D] Added support for refreshing Nodes material previews using the Render Materials commands in the Redshift Materials/Tools menu
* [C4D] Improved the AOV manager copy/past AOV function so that materials referenced from Custom AOVs will also be copied
* [C4D] Improved the Proxy Object which now displays a list of the internal materials
* [C4D] Addressed an issue where certain parameters of the Environment and Dome Light shaders were not effective in Nodes
* [C4D] Addressed an issue where references to Nodes materials were not evaluated correctly
* [C4D] Addressed an issue where changes to referenced materials were not reflected in the IPR
* [C4D] Addressed an issue where certain material edits were not reflected in the IPR
* [C4D] Addressed an issue where non-legacy scene units where not effective in MaxonNoise
* [C4D] Addressed an issue where certain Nodes parameters enforced hard-limits on value ranges
* [C4D] Addressed an issue where the Asset Manager allowed presets to be localized or globalized
* [C4D] Addressed an issue where Render-To-RenderView using large resolutions could lead to a hidden background render
* [Houdini] Fixed a crash while exporting proxy objects from OBJ nodes with the proxy options enabled
* [Houdini] Addressed the expansion of the packed geometry while rendering Redshift packed proxy sop nodes.
* [Houdini] Addressed a problem with the triplanar node if used inside subnets with multiple outputs
* [Houdini] Fixed a crash on exit that could be related to the corruption of the RenderView preferences file
* [Houdini] Added the pick materials and mesh objects feature to the RenderView
* [Houdini] New option in the ROP node to set the Cryptomatte IDs from the nodes full path
* [Houdini] Addressed the behavior of the RenderView freeze tessellation button to refresh the scene after unclicking it
* [Houdini] Addressed the IPR live updating of the COP based lights textures
* [Katana] Addressed the wrong rendering of location nodes inside the instance source groups
* [Katana] Added some texture parameters to the RSLight shader to support the lights texturing in GafferThree
* [RenderView] The RS_SNAPSHOT_DIR and RS_PRESET_DIR environment variables updated to REDSHIFT_SNAPSHOT_DIR and REDSHIFT_PRESET_DIR to be consistent with other Redshift environment variables
* [RenderView] Fixed a crash on C4D when changing the zoom in IPR mode with a region render
* [All] Now properly respecting the “Randomize pattern on Each frame” being OFF when using dual-pass Altus. Disabling this option can produce more stable results with animations
* [All] Fixed issue where camera offset was not properly used for out-of-frustum tessellation
* [All] Fixed issue where an empty comment in a .cube LUT would adversely affect the loading of the LUT. Also fixed a couple of other issues that could produce crashes or wrong results when loading linear or 3DL LUTs.
* [All] Fixed bug that could cause vertex format errors when using the UV input option on the new Maxon Noise shader node
* [All] Added new Automatic Sampling option

Version 3.0.12 (Experimental build)

Released: 4 December 2019

This build includes plugins for Maya, 3ds Max, Houdini, C4D, Softimage and Katana

Redshift 3.0 versions require NVidia driver version 436.XX or later (Windows and Linux) and 387.128 or later (macOS)

Download Windows installer
Download Windows zero-install zip package
Download Linux installer
Download MacOS installer

Click here for online documentation (including setup instructions)

Please see this post for information regarding trace depth compatibility with 2.6 scenes:  https://www.redshift3d.com/forums/viewthread/25467/

*Please read this for info on experimental 3.0 releases: https://www.redshift3d.com/forums/viewthread/25296/

Release Notes
* [Maya] “Apply Post-Effects to Redshift RenderView” added to AOV nodes to enable/disable post effects per AOV
* [Maya] Fixed an issue where meshes would appear at the incorrect frame when deformation blur was enabled
* [Max] Fixed issue where buttons in RS Material Switch UI operate on the wrong slot (workaround for MAXX-54738)
* [Max] Expand UI range for PuzzleMatte IDs up to 65535 – potential fix for UI errors: see https://www.redshift3d.com/forums/viewthread/28570/
* [Max] Honor the Motion Blur “enabled” option for particle systems
* [C4D] Added initial support for Cinema 4D R21 Nodes Materials – this requires Cinema 4D R21.112
* [C4D] Added an option in the System tab/Log section to control the output of warnings about invalid geometry
* [C4D] Addressed an issue leading to a hang in the TurbulenceFD simulation window
* [Houdini] Fixed a critical RenderView performance issue while working with H17.5.425 and H18.0
* [Houdini] Fixed a volume jittering problem after retiming it
* [Katana] Addressed the unsupported linking of float outputs to float3 inputs in the shader nodes
* [Katana] Golaem procedural code updated to support the latest GolaemCache node parameters related to Redshift
* [Katana] The cryptomatte node name IDs are now created using the full scenegraph paths to support assets with the same shape name
* [Katana] XGen procedural updated to support the warning and stats level parameters and custom frame timing
* [RenderView] Fixed an issue where color correction wasn’t being applied to AOVs correctly
* [All] Added Maxon noise shader
* [All] Fixed OptiX RT area lighting intensity and noise differences when seen through transparencies or refractions
* [All] Fixed bug that could cause splotchy artifacts when rendering with the matte-shadow object option

Important information for Cinema 4D R21 users:
With the introduction of Nodes materials, the minimum required version of Cinema 4D R21 is R21.112
The R21 plugin will not load in earlier versions of Cinema 4D.

Version 2.6.50 – Customer Build

Released 20 November 2019

Version 2.6.50 is now available.

This build includes plugins for Maya, 3ds Max, Houdini, C4D, Softimage and Katana

Redshift 2.6 versions require NVidia driver version 390.65 or later (Windows), 390.25 or later (Linux) and 387.128 or later (macOS)

Download Windows installer
Download Windows zero-install zip package
Download Linux installer
Download MacOS installer

Click here for online documentation (including setup instructions)

Release Notes
* [Maya] MASH BlendDeformation is now supported while using deformation blur
* [Maya] Fixed an issue where in IPR mode the camera wouldn’t update correctly when keyed
* [Max] Fixed bug introduced in 2.6.49 that broke transformations on lights
* [Max] Fixed bug introduced in 2.6.49 affecting hidden proxy instanced by Forest Pack
* [Max] Fixed crash during IPR when hiding/showing lights
* [Max] Proxy User Data Override + Material Replacement now extracts attributes required by the replacement materials, even if not part of the original proxy
* [Max] Added support for Deep EXR output
* [Max] Added support for Multi-part EXR
* [Max] Added missing ‘Smooth UV Boundaries’ option in RS Mesh Parameters
* [C4D] Addressed an issue where stopping the IPR under certain conditions could lead to a crash
* [C4D] Addressed an issue where certain AOV configurations could lead to crash during IPR
* [C4D] Addressed an issue where certain IPR settings would become sticky if Redshift render settings were not present in a scene
* [C4D] Addressed an issue where the VIPR could become stuck in a refresh loop if a Shader Node had key-frames
* [Houdini] Added support for H17.5.425 and dropped support for H17.5.327
* [RenderView] Fixed an issue where post-effects would apply to puzzle matte AOVs
* [RenderView] Fixed a crash on R21 when saving images through the RV
* [RenderView] Fixed a crash when sampling from the buffer with Color Picker
* [All] Fixed bug that could cause a crash when mixing ray-switch shader nodes with shader node connections that require type conversion
* [All] Fixed bug that could mess up procedural noise and projection nodes after being applied to proxies with certain vertex attributes
* [All] Increasing out-of-core inf loop counter to avoid false positives

Version 2.6.49 – Released 26 October 2019

This build includes plugins for Maya, 3ds Max, Houdini, C4D, Softimage and Katana

Redshift 2.6 versions require NVidia driver version 390.65 or later (Windows), 390.25 or later (Linux) and 387.128 or later (macOS)

Download Windows installer
Download Windows zero-install zip package
Download Linux installer
Download MacOS installer

Click here for online documentation (including setup instructions)

Release Notes

* [Maya] Added support for passing user data to Redshift Maya extensions
* [Maya] Added support for assigning user data to Xgen, Ornatrix and Shave
* [Maya] Fixed an issue where instancers wouldn’t render correctly when motion blur was enabled
* [Max] Fixed bug where transform updates for Ornatrix Hair have no effect in IPR
* [Max] IPR improvement: update animated object transforms when moving time slider
* [C4D] Added experimental support for IPR in the viewport, available through the Viewport IPR option in the Redshift menu
* [C4D] Added support for automatically locking the RenderView to the render camera
* [C4D] Added support for ignoring geometry modifications during IPR, through the new Freeze Geometry icon in the RenderView; use this to prevent IPR updates from frequently changing objects
* [C4D] Added support for previewing Cryptomatte AOVs during IPR in bucket mode, and when rendering to the RenderView
* [C4D] Added a new option in the global preferences to control whether a Maxon subscription license should be used or not
* [C4D] Improved the toolbar icon behavior in the RenderView
* [C4D] Addressed an issue where the Cinema 4D Distorter shader could not be baked
* [C4D] Addressed an issue leading to inconsistent behavior with Save Project with Assets under certain conditions
* [C4D] Addressed an issue where transform changes to an Environment object would not be reflected in the IPR when the Use Transform is enabled
* [C4D] Addressed an issue where certain scene edits might not be reflected in the IPR under certain conditions
* [C4D] Addressed an issue with the automatic creation of materials from substances in R21, leading to incorrect channels being sourced
* [Houdini] Addressed the packed geo instancing in “Centroid” pivot location mode
* [Houdini] Refactoring of the packed geo multi-thread extraction code to avoid crashes and hangs
* [Houdini] Fixed some minor memory leaks
* [Houdini] New REDSHIFT_DEFAULT_SHADER_COLOR environment variable to configure the default shader color as three float RGB values
* [Houdini] New REDSHIFT_RV_OPEN_ONLY environment variable that can be set to 1 to open the RenderView from the shelf tool without rendering
* [Houdini] Addressed the RenderView default opening size to fit all the toolbar icons
* [Houdini] Added support for H17.5.391 and dropped support for H17.5.293
* [Katana] Fixed a bug in the cryptomatte user custom IDs processing
* [Katana] New REDSHIFT_DEFAULT_SHADER_COLOR environment variable to configure the default shader color as three float RGB values
* [Katana] New option in the RedshiftOutputChannelDefine to configure the channel data type in the material, beauty and custom channels
* [Katana] The puzzle matte and motion vectors channels are now exported as RGB without the alpha channel
* [Katana] (EXPERIMENTAL) Added support for the XGen and Golaem procedurals
* [RenderView] Fixed a crash on R21 when taking snapshots
* [RenderView] Fixed a crash that could happen when deleting Snapshots
* [RenderView] Fixed an issue where the Pixel Sampler’s stored pixel was not visible
* [RenderView] Fixed an issue where the Pixel Sampler would be blocked from selecting a region of pixels on the frame buffer
* [All] Fixed crash bug that could happen if transformation blur was enabled and IPR was running and a mesh obtained motion from being motionless
* [All] Added workaround for DeepEXR/Cryptomatte out of memory issues

Version 2.6.48 (released 23 September 2019)

* [Maya] Fixed issue when rendering constrained camera objects they were not matching the viewport
* [Maya] Fixed Xgen command-line rendering errors
* [Max] Fixed issue where 3ds Max thought the scene had changed after startup
* [Max] Extended maximum Refraction IOR on RS Material to 100, to match Maya
* [Max] Texture baking now uses “Dilation” to fill empty space, as we already do in other DCCs
* [Max] Post FX parameters are no longer stored with the scene if Redshift is not the current renderer
* [C4D] Support for TurbulenceFD in Cinema 4D R21. Requires TurbulenceFD v1.1448 or greater
* [C4D] Addressed an issue in R21 where previews in the material manager would not update under certain conditions.
* [Katana] Fixed the viewport clipping of the RS proxy and volume objects in the viewer.
* [RenderView] Added customization options for the Region render overlay in Customization > Region > Configuration
* [RenderView] Added a checkbox to apply Color Controls to the alpha channel
* [RenderView] Fixed an issue when selecting and adjusting the Region overlay was not accurate
* [RenderView] Fixed an issue where Pixel Sampler’s stored pixels were not being represented correctly on the frame buffer
* [RenderView] Fixed an issue where selecting the Path edit box for Snapshot Configuration would be blocked
* [RenderView] Fixed an issue where Color Controls, Color Management, and LUT could save/load correctly
* [All] Added support for OCIO looks applied to views
* [All] Fixed bug that could break ray-switch shader logic when custom AOVs are enabled
* [All] Fixed a proxy inefficiency that would keep unused textures around after being replaced by materials that don’t use them
* [All] Added graceful handling of deep AOV memory allocation failures
* [All] Added performance improvement when querying meta data for textures

Version 2.6.47 (released 6 September 2019)

Release Notes

* [Max] Fixed issue where replacing controllers on RS math/color shaders can crash 3ds Max
* [Houdini] Added support for H17.5.360 and dropped support for H17.5.258
* [C4D] Addressed a regression issue with “Save Project With Assets” for textures that live in the C4D “tex” folder or the Search Paths.
* [C4D] Addressed an issue where some external assets referenced from the camera tag or the global post effects would be ignored during “Save Project With Assets”
* [C4D] Addressed an issue where certain VertexMap or VertexColor tag modifications would not be detected during IPR.
* [C4D] Addressed an issue where the R21 plugin would not in load systems with CPUs that do not support AVX.
* [C4D] Addressed an issue on OSX leading to the Cinema 4D application menu missing the Preferences and About options.
* [Katana] Added support for Katana 3.2v1
* [Katana] Addressed the unsupported linking of rgba outputs to float3 inputs in the shader nodes
* [RenderView] Major performance improvements to the Pixel Sampler
* [RenderView] Fixed an issue where sampling an area with the Pixel Sampler would not draw correctly
* [All] Fixed rare bug that could cause a crash when sun-sky shaders are in the scene
* [All] Fixed issue in texture out-of-core streaming system that would ignore the ‘CPU affinity’ option and potentially hog the CPU
* [All] Added new environment variable ‘REDSHIFT_TEXTUREFILELOCKINGDISABLED’ to disable texture file locking; this can help improve performance on Operating Systems that have slow file locking mechanisms, for environments that have have been pre-converted textures that are not going to be copied to the local cache.

 

Version 2.6.45 (released 23 August 2019)

* [Maya] Fixed an issue where the Redshift RenderView’s interactive camera occasionally stopped working when the camera was unlocked
* [Maya] Fixed an issue where panning with the Redshift RenderView’s interactive camera feature didn’t scale correctly
* [Maya] Fixed a crash when applying an attribute preset to the RedshiftPostEffects node
* [Maya] Fixed a crash when querying the ‘materialNameList’ attribute of Redshift proxy nodes
* [Max] Fixed bug introduced in 2.6.40 where deformation blur renders with 3 steps after IPR is updated
* [Max] Fixed crash with deformation blur enabled when Alembic vertex velocities are zero
* [Max] Add denoising support for Render To Texture
* [Houdini] Dropped 17.5.229 and added 17.5.327
* [Houdini] Addressed the problem with the hairgen nodes viewport curves colors.
* [Katana] Added support for custom monitor drivers.
* [Katana] The fileInput type widgets are now assetIdInput widgets to support the Asset API.
* [Katana] Fixed a crash while rendering light AOVs without filenames or in preview mode.
* [Katana] New “Flip Horizontal” option in the RSLightDome
* [C4D] Addressed an issue where deleting a Sun/Sky rig during IPR could lead to a crash under certain conditions
* [RenderView] Added the “Remove” option to the snapshots right-click menu
* [RenderView] Fixed an issue where deleting a snapshot would not delete the file on disk.
* [RenderView] Fixed an issue when using Interactive Camera controls in Maya it would cause the RV to lose focus
* [RenderView] Fixed an issue where auto-loading snapshots mistakenly load images from the working directory if no snapshots directory is configured
* [All] Fixed bug where cryptomattes rendered using redshiftCmdLine would not contain the correct manifest
* [All] Fixed rare/obscure bug that could cause weird shadow results when coating transmittance is enabled on RSMaterial
* [All] Fixed rare bug that could cause a crash when more than 32 UV attributes are applied to a mesh

Version 2.6.44 (released 28 July 2019)

* [Maya] Fixed bug that caused unpredictable cryptomatte ids for Xgen, Ornatrix and Shave
* [Maya] Fixed bug that could cause vertex or particle attributes to be dropped when custom AOVs are output
* [Max] Fixed bug that caused a loss of horizon detail for Pure Ocean geometry in Phoenix FD
* [Max] Fixed bug where the Render Default Lights setting was ignored when starting/resetting IPR
* [Max] Fixed bug where changing the Render Default Lights setting did not update IPR
* [Max] Fixed bug where an object with disabled motion blur can be rendered at the wrong time step
* [Max] Fixed bug where Cryptomatte render element is ignored when rendering with Backburner
* [Max] Fixed potential crash for material preview using custom sample object in Material Editor
* [Max] Fixed issue where material preview would appear black for custom sample object after modifying the material
* [Max] Fixed issue where rotating custom sample object in Material Editor had no effect
* [Max] Added PostFX output switches for Max Framebuffer, effective when Render View is disabled and not outputting to file
* [Max] PostFX CPU render is no longer applied to Max buffers when Render View is enabled and not outputting to file
* [Max] Increased Fisheye FOV limit to 360 degrees
* [Max] Removed 100-pixel limit for Max Motion parameter in Motion Vectors AOV
* [Houdini] Added support for H17.5.293 and dropped support for H17.5.173
* [Houdini] Fixed a problem with the Instance OBJ transformations when Redshift is installed.
* [Houdini] Added the automatic RenderView preferences save/restore to file feature.
* [Katana] Added the support of the “*” and “?” wildcars in the proxy files material overrides.
* [C4D] Improved the UI for Direct AOVs which now shows the effective output path.
* [C4D] Addressed an issue where certain AOVs in proxies would not be denoised when rendering through the redshiftCmdLine tool.
* [RenderView] Added the RS_PRESET_DIR environment varible to load post effect presets. The directory should contain folders for each post effect to correctly load by default user defined defaults.
* [RenderView] Fixed a crash when CTRL + Clicking points on Color Control Curves
* [RenderView] Improved the speed of taking and loading snapshots with large resolutions
* [All] Fixed rarely occuring bug that could produce line artifacts when volume grids intersected with each other
* [All] Fixed potential issue with autocrop not working properly with region renders
* [All] Fixed bug that could produce incorrect bounds during scene preprocessing and make rendering slow
* [All] Fixed bug that could cause rare, random ‘misaligned address’ GPU crashes

Version 2.6.43

* [Maya] Added the mel script command “rsNodeMonitor” with the flags -enable, -disable, and -stop to reduce FPS slowdown after loading Redshift
* [Maya] Add Redshift script path to PYTHONPATH programmatically if it’s not there; this works around python errors when PYTHONPATH is defined at the system level
* [Maya] Fixed bug that prevented Redshift materials from appearing in the “assign favorite material” list
* [Maya] Fixed bug that prevented PostFX attached to camera from being used automatically when rendering from said camera
* [Max] Fixed bug that could cause crash when starting IPR before Render View is first opened
* [Max] Fixed bug where Render View state was not restored from a scene when Render View is first opened
* [Max] Fixed bug where loaded snapshots display black if nothing has yet been rendered in Render View and Post FX is enabled
* [Max] Added Redshift Toolbar
* [Max] Remove spin-waits to reduce CPU usage while rendering
* [Max] Addressed some rare edge-cases that can corrupt rendering state
* [Max] Render View render info is now updated for IPR
* [C4D] Added a Tint Texture option to RSLights.
* [C4D] Added support for disabling specific Substance Assets
* [C4D] Improved support for user attributes in Crypromatte AOVs
* [C4D] Addressed a viewport/interactivity performance issue on OSX
* [C4D] Addressed an issue where hidden or disabled custom particle objects would still be allocated in the distribution
* [C4D] Addressed a regression issue where time-dependent nodes were not triggering an IPR update
* [Houdini] Fixed an issue with the RenderView camera selector list initialization.
* [Houdini] Addressed a problem with the proxy sequences preview SOP when a proxy frame is not available.
* [Houdini] Added the support of the areasize parameter in the RS mesh lights.
* [Houdini] Addressed the automatic creation of the RS OBJ spare parameters in the instance and hairgen OBJ nodes.
* [Houdini] Addressed the RenderView PostFX behavior with the additional beauty AOVs, that should have this feature diabled.
* [Houdini] Added support for tessellation/displacement to the RS strands objects.
* [Houdini] Fixed a bug related to our plugin that was crashing other ROPs (like the OpenGL ROP) if rendered from hython.
* [Houdini] The “Redshift_about” hscript command now also returns the about information if called from hython.
* [Houdini] Added an invisible “vm_picture” parameter to the RS ROP node linked to “RS_outputFileNamePrefix” to try to improve the TOP ROPFetch node support.
* [Katana] New option in the RedshiftRenderSettings, Output tab, to export the light groups to individual Multi-Layered EXR files.
* [Katana] Fixed an issue with the default live render resolution.
* [RenderView] Added the ability to store RenderView options in Snapshots notes through Customize > Snapshots > Notes > Render Options
* [RenderView] Added the ability to select from a list of Render Options to include in Render Info > Format from the right-click prompt
* [RenderView] Fixed an issue where snapshots could appear all black if you didn’t render once first
* [RenderView] Fixed an issue where pressing Enter after changing the name of a snapshot could occasionally cause a crash
* [All] Fixed bug that could produce shading artifacts on hair meshes when using point-based SSS
* [All] Fixed visual artifact bug with ray traced SSS on hair meshes
* [All] Fixed ancient bug that could knock out puzzle-mattes visibility through reflections/refractions when there are many puzzle-mattes enabled

Version 2.6.41

* [Maya] Improved performance of IPR mode
* [Maya] Improved performance when rendering objects with motion blur
* [Maya] Fixed an issue where post effects should be applied outside of the Region Render area
* [Maya] Fixed an issue where Batch Rendering resolution wouldn’t match render layer override resolution
* [Maya] Fixed multiple issues with high dpi scaling
* [Maya] Fixed an issue where the Per Particle Reference attribute would cause a crash if the Particle object was empty
* [Maya] Fixed an issue where instancer objects could significantly slow down IPR mode with motion blur disabled
* [Maya] Fixed bug with file output of utility buffers for Altus 1-pass
* [Max] Fixed bug introduced in 2.6.39 where modifying lights during IPR could cause incorrect renders or crash
* [Max] Fixed bug where block indicators on 3ds Max buffers can spill outside region being rendered
* [Max] Fixed bug that could cause IPR to update endlessly when rendering with animated camera and motion blur
* [Max] Fixed bug that could cause IPR to update when moving the mouse over the viewport in scenes with instanced target lights
* [Max] Fixed bug where IPR would restart a completed render after rendering a shaderball for material not used in the scene
* [Max] Fixed bug that excluded right and bottom edges of a region when rendering with Render View region box
* [Max] Fixed bug where displacement shaders were not applied when inside a shader graph rooted at RS Ray Switch Material or RS Store Color To AOV
* [Max] Fixed issue that could raise an exception in Forest Pack 5.4 with older versions of 3ds Max when scattering volume grids
* [Max] Fixed issue where choosing a new IES light profile did not start in the directory containing the current profile
* [Max] Fixed errors displaying viewport guides and shading preview for spot lights
* [Max] Improved UI responsiveness in Material Editor while rendering shaderballs
* [Max] Added Proxy Export option “Transform Pivot to Origin”, available when exporting a single item
* [Max] Added output directory shortcut buttons to Proxy Export dialog
* [Max] Potential fix for degraded viewport performance on scenes with instanced target lights
* [Max] Updated bundled scene converter script to version 0.29
* [Max] Added plugin options rollout (Render Setup > System > Local Plugin Options) for settings that persist across 3ds Max sessions:
* [Max] – Added plugin option to adjust Render View UI for high DPI displays
* [Max] – Added plugin option to restore previous Render View window position
* [Max] – Added plugin option to compensate for borderless windows when fitting Render View to a display (Windows 10)
* [Max] Volume grids scattered by Forest Pack now show correct bounding boxes in the viewport
* [Max] Added log messages to assist with finding spurious IPR refreshes
* [Max] Fixed bug with file output of utility buffers for Altus 1-pass
* [C4D] Addressed an issue where deleting an object referenced as a custom particle object would not always update the object distribution.
* [C4D] Addressed an issue where an incorrect RenderView color scheme was used under certain conditions.
* [C4D] Addressed an issue where where Multi-Instances from cloners could use inconsistent MoGraph attributes under certain conditions.
* [C4D] Changed PostEffect behavior, so that all effects except Bloom, Flare and Streak are now allowed in region renders.
* [Houdini] Fixed a crash in the bgeo instancefile instancing.
* [Houdini] Addressed the behavior of the additional beauty AOVs to render them by default without configuring them as remainder.
* [Houdini] Addressed some additional issues found with the RenderView OCIO file UNC paths.
* [Houdini] The camera selected in the RenderView can now be updated from the viewports when it is locked.
* [Houdini] Fixed the flickering of some RenderView buttons while updating the scene view or parameters.
* [Houdini] Added the light group feature to the RS Portal lights.
* [Katana] Addressed the behavior of the additional beauty AOVs to render them by default without configuring them as remainder.
* [RenderView] Fixed an issue where some of the PostFX values default values were not correct
* [RenderView] Fixed a crash that occasionally happened when the Pixel Sampler was near the edge frame buffer
* [RenderView] Fixed crash when opening RV on system without hardware OpenGL support (e.g. some Remote Desktop clients)
* [RenderView] Fixed a potential crash when restoring snapshot images
* [All] Fixed bug introduced in 2.6.28 that forced global volume height fog to appear fully fogged when looking at the environment through the fog plane
* [All] Added ‘Spread’ option to Portal lights
* [All] Fixed bug introduced in 2.6.39 that could cause a crash when exporting embedded volumes in proxies
* [All] Fixed bug where tessellation would produce wrong results on meshes using more than 2 deformation steps

Version 2.6.40

This build includes plugins for Maya, 3ds Max, Houdini, C4D, Softimage and Katana

Redshift 2.6 versions require NVidia driver version 390.65 or later (Windows), 390.25 or later (Linux) and 387.128 or later (macOS)

Click here for online documentation (including setup instructions)

Release Notes
WARNING: This version upgrades the Redshift proxy file version! Proxy files exported with this version won’t load in previous Redshift versions!
* [Maya] Added the Per Particle Reference attribute to MASH Instancers
* [Maya] Reverting the mistakenly enabled ‘Environment’ as the new reflection end color parameter default
* [Maya] Improved performance of XGen IGS and Curve Sets when using motion blur
* [Maya] Fixed an issue with the Maya Renderview clearing the region outside the region being rendered when finished
* [Maya] Fixed a crash if you unload the Redshift plugin without XGen loaded on Maya 2016.5 and greater
* [C4D] Added initial support for scene export units, through the new Units section of the Integration tab in the Redshift Render Settings. For more details see https://www.redshift3d.com/forums/viewthread/25008/
* [C4D] Improved support for the X-Particles xpTrail object, so that alternative spline types and subdivision modes can now work with per-sample color and thickness values.
* [C4D] Addressed an issue in the Environment and DomeLight shaders where some parameters related to texture gamma were not effective.
* [C4D] Addressed an issue where a renamed material would not be reflected in the ShaderGraph Editor’s window title.
* [C4D] Addressed an issue where an inconsistent RenderView color scheme would be used, under certain conditions.
* [Houdini] Added support for H17.5.229 and dropped support for H16.5.571
* [Houdini] The camera nodes added to the scenes obey the OCIO environment variable settings.
* [Houdini] Fixed the vignette effect in the PostFX COP2 node.
* [Houdini] Fixed a bug in the force matte feature related to the multi-thread scene extraction.
* [Houdini] Added support for json files from disk as scene level stylesheet.
* [Houdini] Fixed a crash while rendering deep files with the postfx or denoising features enabled. They are not compatible.
* [Houdini] New hscript command “Redshift_getProxyDependencies” to get the proxy dependencies from any proxy OBJ node or file.
* [Houdini] Added support for the tetrahedron primitives in the “Tessellate Primitives” feature.
* [Katana] Fixed the Redshift shading nodes ramp type parameters knots reset problem.
* [Katana] Fixed a crash while rendering deep files with the postfx or denoising features enabled. They are not compatible.
* [RenderView] Added menu option View > Pixel Sampler Region to enable/disable the Pixel Sampler Region from displaying
* [RenderView] If a default preset file does not exist it will now be automatically created
* [RenderView] Fixed an issue that would cause Snapshots to not load/save images correctly
* [All] Fixed bug with motion blurring color volume grids
* [All] Fixed rare bug that could produce crashes (stack overflow related) during scene processing for specific geometry/instancing topologies
* [All] Fixed bug relating to new ‘Environment’ Reflection End Color option that could result in trace-depth related asserts
* [All] Fixed bug relating to new ‘Environment’ Reflection End Color that could knock out the fake reflection after multiple bounces

Important information for Cinema 4D:
This release introduces a change to the data to render settings and shader parameters. The plug-in will perform the necessary data conversion automatically when an older scene is detected. Once a scene is saved, it may become incompatible with previous versions of the plug-in. So we recommend that you keep a backup of your scenes before using them with newer versions of the plug-in.

Version 2.6.30

This build includes plugins for Maya, 3ds Max, Houdini, C4D, Softimage and Katana

Redshift 2.6 versions require NVidia driver version 390.65 or later (Windows), 390.25 or later (Linux) and 387.128 or later (macOS)

Release Notes

  • [Maya] Added support for XGen Interactive Grooming Splines (Windows only due to issues on Linux and macOS)
  • [Maya] Converted translation of non-instancer particle systems to new native sphere primitive (aka ‘new particle tech’)
  • [Maya] Modified particle translation to use “velocityVector” and “angularVelocityVector” attributes rather than query velocity directly via the particle API; this provides initial support for MASH motion blur in ‘instance’ mode and allows for third-party nodes connected to instancers to provide velocity data
  • [Maya] Added visibility flags to Maya Fluids
  • [Maya] Fixed a crash caused by Maya Fluids when in IPR mode and changing the time slider
  • [Maya] Fixed an issue where Maya Fluids would not be the correct scale when rendered
  • [Maya] Fixed a crash when using a material other then RSVolume when rendering Maya Fluids
  • [Maya] Fixed bug that prevented the use of environment variables when specifying a proxy’s file path
  • [Maya] Fixed bug that resulted in lights not linked to any objects to not respect the ‘illuminate by default’ state
  • [Max] Added multi-step deformation blur support for geometry
  • [Max] Velocity channel (3ds Max 2019) is used for deformation blur if present, allowing deformation of Alembic
  • [Max] Fixed issue that causes motion blur banding artifacts with step counts higher than 2
  • [Max] Fixed issue where Render View status bar did not show rendering progress during IPR
  • [Max] Fixed installer issue where Redshift Converter script was not copied to Max installation directories
  • [Max] Workaround missing RailClone Color support by connecting default map as pass-through
  • [C4D] Added support for texture baking through BakeSets and the new Bake command.
  • [C4D] Improved the Asset Manager which now includes textures from MultiShaders.
  • [C4D] Addressed an issue where indirectly referenced materials would be deleted by the Remove Unused Materials command.
  • [C4D] Addressed an issue with light/object exclusions in “Include” mode.
  • [C4D] Addressed an issue where the IPR would not detect lights with animated textures.
  • [C4D] Addressed an issue with the Clear Files command in the Asset Manager.
  • [C4D] Addressed an issue where a Multi-Instance could have an incorrect material assignment under certain conditions
  • [Houdini] Added support of subnets instancing, feature that can be enabled in the RS OBJ spare parameters, instancing tab
  • [Houdini] New camera overscan options in the RS ROP node
  • [Houdini] Fixed a problems with the volume transformations when the first grid available was not used by the shader
  • [Houdini] Fixed the extraction of the volume scattering tint shader if this feature is disabled
  • [Houdini] Fixed a crash in the “instancefile” preview SOP if included inside a subnet
  • [Houdini] Automatic gamma correction of the environment and dome light shaders texture maps
  • [Houdini] Fixed a crash in the multi-thread scene extraction feature related to the automatic attributes extraction code
  • [Houdini] Fixed a rare crash related to the extraction of empty OBJ nodes from multiple threads
  • [Houdini] Support of the IPR rendering in “Manual” update mode without forcing the viewports updating
  • [Houdini] Improved support for the packed geo instancing from instancers built using block type SOPs
  • [Houdini] Improved rounding of the ROP node camera resolution overrides
  • [Houdini] Addressed a material stylesheet groups override issue
  • [Houdini] New plugin build for H17.0.416
  • [All] Fixed bug that would cause proxy point cloud per-instance user attribute data to get lost
  • [All] Fixed bug in RS Noise shader that prevented the ‘Constant’ time parameter from working
  • [All] Fixed bug that could result in RS Noise shader yielding black results when using the ‘Vertex Attribute’ coordinate mode to drive the random seed
  • [All] Fixed crash bug related to multi-step deformation blur
  • [All] Fixed bug that could produce crashes when tessellation was enabled on meshes containing hidden polygons
  • [All] Fixed bug that could result in noisy global volume scattering when using lights with area spread
  • [All] Fixed bug that could cause a crash when processing textures with one dimension much bigger than the other
  • [All] Fixed bug that could produce visual artifacts on volume grids using color attributes (for scatter color or transmission color)
  • [All] Fixed ancient bug that could cause a visible ringing artifact when rendering hair with ‘Min Pixel Width’ enabled
  • [All] Added new AOV option to force the results to black for environment rays
  • [All] Both Altus and OptiX now use GPUs consistent with Redshift’s GPU selection. This solves related issues when launching multiple concurrent render sessions
  • [All] Added support for PSD ‘layer’ extraction from texture files, using the RS TextureSampler node

v2.6.29 Release Notes

This build includes plugins for Maya, 3ds Max, Houdini, C4D, Softimage and Katana

The fix for mesh lights might result in your renders changing in appearance, in that they may produce brighter results for rough surfaces!

Release Notes

  • [Maya] Fixed bug that would cause the Hosek-Wilkie skydome colors to get stuck when moving the sun
  • [Maya] Rectangle and Disk shape Physical Lights now have viewport indicators
  • [Maya] Fixed an issue in Maya 2016 where the Redshift Shelf would not load
  • [Max] Martin Geupel’s Redshift Converter v0.25 now bundled—access via viewport context menu
  • [C4D] Added ‘Auto’ input selection option to the RS Ramp node. This is the new default
  • [C4D] Addressed an issue where the texture in RSLights was not effective when using the “Temperature and Color” mode
  • [Houdini] Added ‘Auto’ input selection option to the RS Ramp node. This is the new default
  • [Houdini] New logic to manage the deprecated ROP parameters and avoid warning messages.
  • [Houdini] New HScript command “Redshift_openRenderView” to open the floating RS RenderView window without starting the IPR rendering.
  • [Houdini] New option in the RS ROP node, IPR tab, to open the RS RenderView window without starting the rendering.
  • [Katana] Added several “hidden” texture related render options to the RedshiftRenderSettings node, system tab.
  • [All] Fixed bug that could result in dark halos around ray-marched volumes when interacting with global environment fog
  • [All] Fixed bug introduced in version 2.6.10 that broke multiple importance sampling for mesh lights, specifically for rough/diffuse surfaces, resulting in too dark lighting
  • [All] Fixed yet another mathematical edge case that affected area lights with spread and global volume scattering, resulting in black areas
  • [All] Fixed an OIIO crash when rendering PSD textures(bug introduced in 2.6.28)
  • [All] Rolled back OptiX version to 5.1.0 to reinstate support for RTX/Turing GPUs
  • [All] Added support for ‘REDSHIFT_DEBUGCAPTURE’ environment variable, useful for capturing GPU crash info on individual render farm nodes

v2.6.27 Release Notes

Redshift 2.6.27 is now available. This release contains many bug fixes and several long-awaited features. 3dsmax now has Cryptomatte, Houdini now supports CopySOP packed primitive instancing and has a big IPR performance boost. Keep in mind Houdini 17 builds are still not merged into the base build so if you need H17, download it from its specific H17 thread in the forums.

Release Notes

  • [Maya] Fixed bug that caused the Noise shader ‘Billow’ pattern to jump when changing time
  • [Max] Added support for Cryptomatte AOV
  • [Max] Fixed issue where Deadline can write additional or empty files for AOVs when using Redshift File Output or Light Groups
  • [Houdini] Updated Volume SHOP HDA.
  • [Houdini] Massive IPR performance boost. Addressed a critical issue that was severely affecting the Redshift scene updates.
  • [Houdini] SOP level packed primitives instancing support. New option in the RS OBJ spare parameters, Instancing tab, to enable this new feature.
  • [Houdini] New plugin build for Houdini 16.5.634. Removed the build for Houdini 16.5.496
  • [Houdini] Addressed a crash in the scene multi-thread extraction code related to the default materials used by the stylesheets.
  • [Houdini] Recovering of the selected nodes state while exporting proxy files using the proxy output node.
  • [All] Fixed naming error in the RS Ramp shader input source option
  • [All] Fixed rare OOC texture sampler bug that could cause visual corruption when AMM is enabled
  • [All] Fixed potential “banding” issue when rendering lower-resolution volume grids
  • [All] Fixed bug that prevented proxy file tiled texture (UDIM/UVTILE) dependencies from being determined
  • [All] Fixed “Stack Allocator num bytes should be zero at this point” crash.
  • [All] Fixed bug that could cause Custom AOV ‘default’ shaders to produce inconsistent results when rendering animations
  • [All] Fixed rare bug that could cause a heap corruption crash when generating the geo node groups
  • [All] Fixed AMM bug that could result in underutilizing VRAM for geo and texture cache
  • [All] Added tiled texture paths (with tag) output to the RS CmdLine -printdependencies log
  • [All] Added output path option to the RS TextureProcessor tool
  • [All] Added a ‘Reference Object’ option to the RS State node for reference positions and normals output

v2.6.15.23 Release Notes

Important Information

This release introduces a change to the underlying data for RSVolume shader parameters.
The plug-ins will perform the necessary data conversion automatically when an older scene is detected.
Once that scene is saved, it will become incompatible with previous versions of the plug-ins.
Please keep a backup of your scenes before saving them with version 2.6.23.

Release Notes
* [Max] IMPORTANT: Material / Texmap class names and categories are changing in a future release.  Read about the proposed changes here: https://www.redshift3d.com/forums/viewthread/20706/
* [Max] WARNING: “absorption_values” parameter of RS Volume Material is now obsolete and will not be stored with the scene (upgraded to “absorption_colors”)
* [Max] Added support for Max object visibility
* [Max] Added bitmap sequence time controls to RS Camera Map
* [C4D] Added support for per-object opacity through the Visibility parameter of the Display tag
* [C4D] Added support for creating texture cache files (rstexbin) through the Cache Textures option in the Asset Manager
* [C4D] Extended the Asset Manager to include all non-texture assets from the scene (for example alembic files)
* [C4D] Addressed a core assertion error when exporting proxies
* [C4D] Changed the RSVolume absorption curve parameter into a color ramp
* [Houdini] Added support for points instancing and particles multiple steps motion blur in objects with a non-constant topology
* [Houdini] Added support for the “w” angular speed and “accel” acceleration attributes for the instances/particles motion blur computed from the velocity “v” attribute
* [Houdini] New option in the RS ROP node to disable the automatic promotion of the packed prims. “agentshapename” attribute to the final primitives “name” attribute
* [Houdini] Viewport quad and disk area lights direction vector
* [Houdini] Addressed the support of the visibility and matte flags in the volume instancers
* [Houdini] Addressed the sphere lights non-uniform scaling using the area size parameters
* [Houdini] Addressed the support of the instanced lights area size parameter
* [C4D/Houdini/Katana] Fixed bug introduced in 2.6.22 that would incorrectly assume an auto default gamma of 1.0 for 16-bit integer TIF textures
* [All] Volume material absorption updated to support color ramps
* [All] Fixed bug in Cryptomatte code that could produce crashes with redshiftCmdLine
* [All] Fixed bug that could produce corrupt-looking single scattering when geometry goes out-of-core
* [All] Fixed bug that could result in incorrect matte object background colors when using a negative alpha override
* [All] Fixed recently introduced a bug that would trigger an assert when adding total diffuse lighting AOVs
* [All] Fixed ancient bug that could cause AOV corruption or even crashes when rendering with AOVs and transparent Incandescent materials
* [All] Added matte-shadow ‘include/exclude from other mattes’ support for volume objects


Version 2.6.15 Release Notes

This build includes plugins for Maya, 3ds Max, Houdini, C4D, Softimage and Katana

Redshift 2.6 versions require NVidia driver version 390.65 or later (Windows), 390.25 or later (Linux) and 387.128 or later (macOS)

Release Notes
* [Maya] Added support for denoising AOVs
* [Maya] Improved support for the <RenderPass> token in the global file name prefix; when used globally, <BeautyPath> and <BeautyFile> will correctly resolve <RenderPass> to the AOV name rather than “Beauty”
* [Max] Added support for denoising AOVs
* [Max] Added support for previewing Redshift Bitmap in viewport
* [Max] Added option to save denoising utility buffers
* [Max] Light include/exclude lists now exposed to MAXScript
* [Max] Redshift File Output and light group output use trailing separator character if present in file name
* [Max] Changed default separator character to underscore for Redshift File Output
* [Max] Fixed bug where Redshift File Output ignored custom Render Element paths
* [Max] Fixed bug that could cause instability when rendering AOVs with Render View disabled
* [Max] Fixed bug where render element bitmaps were not populated when Render View disabled
* [Max] Fixed bug where Max’s Region / Crop didn’t work when Render View disabled
* [Max] Fixed bug that caused a rendering exception for PFlow events with no mesh
* [Max] Fixed issue where light “include” lists were ignored when none of the target objects were visible
* [Max] Fixed broken UI for Redshift State shader (bug introduced in 2.6.13)
* [Max] Fixed issue with European locales breaking Max UI
* [C4D] Added initial support for Cryptomatte to Direct AOVs during Picture Viewer renders; Multi-Pass output is only available for preview purposes
* [C4D] Added support for denoising AOVs
* [C4D] Addressed an issue where user-specified utility AOVs would not be considered during denoising if their multi-pass output was disabled
* [C4D] Addressed an issue where the Editor Visibility state would be inadvertently reflected to IPR renders
* [C4D] Addressed a potential crash in the ShaderGraph editor, when the Auto Optimize Nodes option is enabled
* [C4D] Addressed an issue in the IPR where a camera could be incorrectly unlocked under certain conditions
* [Houdini] New option in the Houdini “Redshift” top menu bar to open the RS RenderView
* [Houdini] Fixed bug introduced in v2.6.14 that resulted in flipped instances
* [Houdini] Added support for Cryptomatte
* [Houdini] Added support for denoising AOVs
* [Houdini] Fixed a problem with the tangents attributes while rendering with the deformations motion blur enabled.
* [Houdini] Minor fixes in the RenderView rendering progress status.
* [Katana] Fixed a crash if a RenderOutputDefine node for the “primary” AOV is not avilable
* [Katana] Added support for Cryptomatte
* [Katana] Added support for denoising AOVs
* [Katana] Fixed a problem with the tangents attributes while rendering with the deformations motion blur enabled.
* [All] Fixed various Bias/Gain math node bugs
* [All] Fixed bug where OptiX initialization would produce crashes on systems without CUDA-enabled GPUs
* [All] Fixed tessellator bug that could make certain edges not tessellate enough. Artifacts would mostly be visible near the edge of the screen.
* [All] Added temporary workaround for OptiX 5.1 bug. Please see this thread for more info: https://www.redshift3d.com/forums/viewthread/19783/
* [All] Fixed bug that could cause weird looking GI with low tone mapping values
* [All] Added support for GI from volume scattering, including a backwards-compatibility legacy switch to disable this feature
* [All] Added new ‘GI Max Trace Depth’ option to all lights, allowing finer control for lights affecting GI
* [All] Fixed bug that would cause light group Volume AOVs to leak their GI contributions into GI AOVs
* [All] Fixed bug that could produce corrupt/noisy ray-marched volumetric lighting when GI is enabled
* [All] Fixed bug in volume grid motion blur code that could produce either crashes or volume corruption (when motion blurred). Please see this for more info: https://www.redshift3d.com/forums/viewthread/20011/
* [All] Fixed bug that would cause visual corruption when the IDsAndCoverage AOV is enabled
* [All] Fixed bug where autocrop was always enabled for Cryptomatte
* [All] The Volume shader’s “Shadow Density Scale” now affects both direct lighting and GI. Please read this for more info: https://www.redshift3d.com/forums/viewthread/20044/
* [All] Volume cutoffs now work better with non-inverse-square-decay lights. Please see this for more info: https://www.redshift3d.com/forums/viewthread/20035/
* [All] Fixed bug introduced in 2.6.10 that could produce weird banding noise artifacts on volumetric spot lights
* [All] Fixed bug that could make redshiftCmdLine write incomplete/corrupt images. Please see this for more info: https://www.redshift3d.com/forums/viewthread/19901/
* [All] Improved the single-scattering sampling efficiency. Please read this for more info: https://www.redshift3d.com/forums/viewthread/20081/


Version 2.5.72 Release notes

This build includes plugins for Maya, 3ds Max, Houdini, C4D, Katana, and Softimage

* [Maya] Added support for Ornatrix 6
* [Maya] Fixed bug where UI sections in the attribute editor were missing for AOVs after creating a reference
* [Maya] Fixed bug where instances of RedshiftVolumeShapes would not render
* [Max] Added support for Ornatrix 6
* [Max] Added support for Redshift AOV Light Groups
* [Max] Fixed a bug where Max Hair materials did not match the object they were assigned to
* [Max] Fixed a bug where AOV file gamma settings are incorrect on exported proxies
* [Max] Pass IRenderElementMgr interface in pre-/post-render notifications.  Please read this for more info: https://www.redshift3d.com/forums/viewthread/17491/
* [Houdini] New plugin build for Houdini 16.5.473
* [Houdini] Fixed an IPR crash deleting light nodes.
* [Houdini] Fixed several IPR lost events adding and editing light nodes.
* [Houdini] Addressed several IPR issues related to lost events after removing OBJ nodes.
* [Houdini] Live IPR scene update after changing the SOP nodes bypass flag.
* [Houdini] Live IPR scene update after changing the OBJ nodes display flag.
* [Houdini] Fixed a rare crash after creating a new scene when the IPR is rendering.
* [Houdini] The default RSLight type is now “area”, replacing the old “distant” type.
* [Houdini] Addressed an issue rendering particle systems in OBJ nodes with volume primitives inside.
* [Houdini] Redshift materials VOP nodes material flag enabled by default.
* [Katana] Support of Katana 3.0v1
* [Katana] Fixed the displacement nodes shaders connections
* [C4D] Addressed an issue where the IPR would not detect modifications in the ShaderGraph editor, when the Cinema 4D viewport was hidden
* [C4D] Addressed an issue where the renderable setting of layers would produce different results for instances, when compared to the built-in renderers
* [All] Removed license checkout/checkin during renderer initialization
* [All] Fixed bug that could trigger a ‘gridSizeX’ limit assert when rendering many AOVs
* [All] Fixed bug that could prevent the correct UV channel from being used by proxy material overrides
* [All] Added new ‘exposure’ option to RS lights
* [All] Switched to using HSV internally for the ColorCorrection node to fix bug with HDR colors
* [All] Added support for enabling ‘Abort on License Failure’ by setting environment variable REDSHIFT_ABORTONLICENSEFAIL=1
* [All] Increased internal shader count limit to allow for more complex shader graphs
* [All] Raising the limit of irradiance point cloud and irradiance cache working memory to 4GB (from 1GB)
* [All] Fixed bug that would prevent point-based SSS from being correct behind transparencies
* [All] Fixed bug that could cause lighting artifacts when global volume scattering shaders are assigned
* [All] Added support for ‘Multiple Scattering’ ray contribution slider on all lights
* [All] Fixed bug that could cause a crash when rendering scenes with custom AOVs and toggling between IPR and bucket rendering


V2.5.71 is now available.

This build includes plugins for Maya, 3ds Max, Houdini, C4D, Softimage and Katana

Click here for online documentation (including setup instructions)

Important Information for Cinema 4D:
Releases 2.5.66 onward introduce a change to the underlying data for certain shader node parameters.
The plug-in will perform the necessary data conversion automatically when an older scene is detected, and a message will be displayed. Once that scene is saved, it will, unfortunately, become incompatible with previous versions of the plug-in. So we recommend that you keep a backup of your scenes before using them with newer versions of the plug-in.

Release notes
* [Maya] Fixed bug that resulted in Maya crashing under certain conditions when editing the hue of a color
* [Houdini] Support of the $N and $N4 variables in the RS ROP node.
* [All] Fixed recently introduced bug (2.5.70) that could cause a crash when rendering meshes with mixed displacement materials

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