Release Notes

Iray for 3ds Max - 2.8
(3ds Max 2020/2021/2022/2023/2024)

• Updated to Iray 2022.1.6.
• Added support for Hopper-generation NVIDIA GPUs.
• Improved denoiser performance and guided sampling convergence.
• Fixed a long-standing bug with self-intersection code causing visible dark artefacts.

Iray for 3ds Max - 2.7
(3ds Max 2020/2021/2022/2023)

• Updated to Iray 2021.1.3.
• Rendering now uses guided sampling to speed up render convergence.
• General bugfixes and enhancements.

Iray for 3ds Max - 2.6
(3ds Max 2019/2020/2021/2022/2023)

• Updated to Iray 2021.0.0.
• Improved "Iray+ Interactive" performance with RTX cards.
• Improved CPU fallback when GPU memory is exhausted.
• General bugfixes and enhancements.

Iray for 3ds Max - 2.5
(3ds Max 2019/2020/2021/2022)

• Added support for 3ds Max 2022.
• Updated to Iray RTX 2020.1.5.
• Fixed intermittent "Access of invalid tag" bug.

Iray for 3ds Max - 2.4
(3ds Max 2018/2019/2020/2021)

• Added support for Ampere-generation NVIDIA GPUs.
• Updated to Iray RTX 2020.1.1.
• AxF importer now supports version 1.7.

Iray for 3ds Max - 2.3
(3ds Max 2017/2018/2019/2020/2021)

• Added support for 3ds Max 2021.
• Updated to Iray RTX 2020.0.3.
• Improved quality of AI denoiser with better preservation of brightness and details for low sample images.
• Memory usage reduction on low-memory cards.
• Improved CPU rendering performance and CPU fallback stability.
• Bugfixes.

Iray for 3ds Max - 2.2
(3ds Max 2017/2018/2019/2020)

• Updated to Iray RTX 2019.1.5. This is a minor bugfix release.
• Added support for spectral rendering and different colour spaces. See the documentation for more details.
• Fixed a crash when cancelling a Production Render before the render has started.
• Fixed a bug where a Production Render could restart if parameters were changed on Iray+ Lights or Section Planes.

Iray for 3ds Max - 2.1
(3ds Max 2017/2018/2019/2020)

• Updated to Iray RTX 2019.1.3. This version includes enhancements for rendering on RTX cards and significant speedups when using the Iray+ Interactive renderer on all cards.
• Fixed a crash when creating Iray+ PhysicalSky or IBL environments while the Iray+ Frame Buffer was open.
• Fixed a crash when closing the Iray+ Frame Buffer after a completed Production render, which could be triggered in certain circumstances.
• Fixed a bug where section planes were being duplicated each time the frame buffer was re-opened.

See this page for more information on RTX and GPU drivers.

Iray for 3ds Max - 2.0.1
(3ds Max 2017/2018/2019/2020)

• Fixed a crash when animations or multi-pass motion blur renders were performed with the 3ds Max frame buffer.
• Fixed artefacts in the Alpha channel when exporting denoised renders to an RGBA image format.
• Fixed issue where the lighting analysis false colour processing was being wrongly applied to thumbnail images in the material editor.

Iray for 3ds Max - 2.0
(3ds Max 2017/2018/2019/2020)

• Upgraded to Iray 2018.1.2
• Added new Iray+ Frame Buffer
• Extended Lighting Analysis options and enabled them for Production renders
• Added Anti-Aliasing filter controls
• Can now set the viewport wireframe colour of Iray+ lights
• Viewport now shows the effect of Iray+ lights' colour temperature (select 'High Quality' to see this)
• Added Firefly and Bloom filter to the network render information
• Improved Active Shade update performance when editing light parameters when using IES profiles
• Cloning an Iray+ light as a "Copy" now works correctly when using IES profiles
• Renders now show correct illuminance values when the tonemapper is disabled
• Fixed bug with the calculation of "Offset" values in 3ds Max texture maps when loading an Iray+ or MDL material
• Fixed bug where final render update could be lost, particularly when rendering animations
• Fixed potential bugs when converting Forest Pack materials
• Fixed bug where textures could be lost when using the Resource Collector
• Fixed bug where LPE layers could become unselected after editing

Iray for 3ds Max - 1.9
(3ds Max 2017/2018/2019)

• Upgraded to Iray 2018.0.2
• Fixed a bug where images were not saved correctly when rendering Render Elements/LPEs with backplates
• Fixed a bug where the AI Denoiser was not working correctly with Volta cards
• Added controls to orient IES profiles that are applied to emissive Iray+ materials
• Added the ability to flag Iray+ Lights as 'Matte', so they can be used in conjunction with Matte Objects
• Support for camera clipping planes has been added
• Bloom filter controls have been changed to be more intuitive
• Bloom parameters are now exposed to MaxScript
• Firefly Filter control has been re-added
• Various minor bug fixes

Iray for 3ds Max - 1.8
(3ds Max 2017/2018/2019)

• Upgraded to Iray 2018.0.1
• The polygon/geometry bug has now been fixed
• AI Denoiser now works better with bright highlights
• AI Denoiser now works with HDR images
• Added Bloom post-processing filter
• Added Backplate Mesh option for geometry
• Added new Iray for 3ds Max toolbar for quick access to dialogs and features
• Bitmap cropping/placement parameters are now supported
• Enabled binary compression for MI/IVM export resulting in faster re-load times.
• Stereo spherical camera parameters are now correctly communicated to Iray Server (see note)
• Multi/Sub-object material now correctly marked as compatible with Iray+
• Fixed a crash when launching non-English version of 3ds Max with the plugin installed
• Iray+ Colour Correction map now has all parameters exposed
• Fixed a bug where Iray+ procedural map previews were broken in 3ds Max 2019

Iray for 3ds Max - 1.7
(3ds Max 2017/2018/2019)

• AI Denoising, available for both the "Iray+" and "Iray+ Interactive renderers".
• Support for 3ds Max 2019.

Note 1: As we are now supporting 3ds Max 2019, we are discontinuing support for 3ds Max 2016 with this release.
Note 2: We are fully moving over to our new licensing mechanism with this release, so if you are still using a licence issued by NVIDIA you will need to migrate across. Please follow these instructions.

Iray for 3ds Max - 1.6.2
(3ds Max 2016/2017/2018)

• Issues with dark artefacts appearing on some geometry (particularly glass) have been fixed.
• MAXScript error when switching to the Iray+ (or Iray+ Interactive) renderer has been fixed.
• Reduced occurrence of GPU failure in some render scenarios.

Iray for 3ds Max - 1.6.1
(3ds Max 2016/2017/2018)

• Upgraded to Iray 2017.1.2
• Some scenes showed significantly increased memory usage in v1.6. This has been fixed.
• Noise in renders has been reduced compared to v1.6.
• UI elements broken by 3ds Max 2018 Update 4 have been fixed.
• Several minor bugs with the Lighting Analysis mode have been fixed.

Iray for 3ds Max - 1.6.0
(3ds Max 2016/2017/2018)

• Upgraded to Iray 2017.1.1
• Added support for the latest Volta generation NVIDIA GPUs
• New licensing mechanism (RLM)
• AxF importer now supports version 1.4
• Added MaxScript support for MDL export
• Iray+ Materials now work with XRef objects
• Radio buttons in Iray+ Light ‘Color’ rollout now work correctly.

Iray for 3ds Max - 1.4.0-121338
(3ds Max 2016/2017/2018)

• Added support for 3ds Max 2018
• Upgraded to Iray 2017.0.1
• Optimized Iray on Maxwell and Pascal architectures
• Iray+ Interactive now supports subsurface scattering (SSS) materials
• Light sampling has been improved, leading to improved performance in scenes with many lights
• Added new Iray+ Brushed Metal, Checker, Colour Correction and Tiles material maps
• Improved accuracy of IES Profiles
• Added a Screen Space Shadows checkbox to Iray+ Interactive
• Render layers now show the effect of cutout opacity maps applied to materials
• Normal render layer now shows the effect of any bump/normal maps applied to materials
• Noise levels for most environment lighting setups have been improved in Iray
• Removed the limit on the number of light sources in Iray+ Interactive
• Fixed thumbnail rendering in SME when stereo camera is enabled
• Fixed bug where .axf files wouldn't load if their file names included certain characters
• Fixed bug where normal maps were being not being listed in the Asset Tracker

Iray for 3ds Max - 1.3.0-117513
(3ds Max 2015/2016/2017)

• Updated to Iray 2016.2
• Support for Pascal GPU rendering
• VR “Single Pass Stereo” provides support for rendering both left eye and right eye simultaneously
• Preliminary support for Forest Pack Pro plugin
• Added support for rendering LPEs on Iray Server
• Changed Tonemapping default Highlight Recovery value to 0.5
• Added menu option to remove the Analysis dialog that docks to ActiveShade
• Irradiance and depth render elements now also output 32-bit .exr files
• Fixed a hang in certain scenes when submitting to Iray Server
• Fixed memory leak when rendering thumbnails then launching ActiveShade
• Fixed memory leak when closing ActiveShade while converting a scene
• Fixed some artefacts in lighting and transparency apparent when using instancing
• Fixed issue where rendering failed when Ambient Occlusion element was inadvertently left enabled
• Fixed various issues with Tonemapping warning dialogs
• Fixed issue where Light "renderable" property was incorrect
• Fixed issue where changing IES file in the light lister didn't update the IES on the light properties
• Fixed issue where saved light profile in old models was replaced with hof025.ies
• Fixed issue with Active Shade timer inaccuracy displaying time
• Fixed crash when adding photometric light
• Fixed intermittent hang when submitting to Iray Server
• Fixed issue with dialog layouts on high DPI displays
• Fixed occasional crash when creating Section Planes
• Fixed flicker in Iray+ section plane gizmo
• Fixed issue where 'Visible to camera' check box wasn't working for lights
• Fixed rendering issue when outputting scenes with IBLs to HDR format
• Fixed issue with sun disk size
• Fixed issue where custom MDL search paths and other settings couldn't contain Unicode characters
• Fixed bug that prevented the rounded corner spinner from being disabled
• Fixed issue where translated light parameter was rejected
• Fixed issue where changing render completion criteria affected material thumbnail renderings

Iray for 3ds Max - 1.2.0-115234
(3ds Max 2015/2016/2017)

• Updated to Iray 2016.1.1
• Added spherical and cylindrical lens type in render settings
• Added stereo camera render settings for left eye/right eye, eye separation, and focus distance
• Added ability to hide/show material layers
• Added separate frame completion criteria for each renderer
• Added support for matte object properties
• Added Section Planes
• Improved render performance
• Improved performance when transferring scenes to Iray
• Improved performance when flushing scene from Iray (e.g. when closing Active Shade)
• Minor performance improvement when using materials that were converted from mental ray scenes
• Fixed issue where displacement object properties were not scaled with scene units
• Moved "Iray+" tab from the general Object Properties dialog to its own "Iray+ Object Properties Dialog"
• Added "Renderable" and "Visible to Camera" checkboxes to the Iray+ Object Properties dialog
• Improved diagnostics when loading a scene with missing custom MDL
• Fixed issue where Iray Server streaming was disconnected after queuing a job

Iray for 3ds Max - 1.1.0-114663
(3ds Max 2015/2016/2017)

• Updated to Iray 2015.3.11
• Added 3ds Max 2017 support
• Added online documentation from Help > Additional Help menu
• Added offline documentation link to Windows Start menu
• Added displacement mapping support
• Added support for rendering bitmap sequences with Iray+ materials, standard Max materials, backplates and IBLs
• Added support for Bitmap Output Parameters in Material Editors
• Added Iray+ Light Lister tool
• Fixed crash when loading a scene on Windows 8.1
• Fixed issue with ActiveShade images not refreshing in sync with timer when using Iray+ Interactive renderer
• Fixed crash when clearing the Override material
• Stopped Material Override from affecting Material Editor renders
• Fixed minor issue where ActiveShade didn't update when changing a Material/Map type in Max 2016 onwards
• Fixed crash when you Remove All missing external dependencies when loading a model
• Fixed issue with instanced geometry not rendering
• Fixed minor bug with lighting analysis dialog not updating after undocking ActiveShade window
• Fixed bug with camera position of frame 0 when sending a sequence to Autodesk Backburner
• Fixed issue where Color Correction map was diminishing render quality of textures
• Reduced the default frame completion criteria to 1000 passes/frame and 5 mins/frame
• Expanded Iray menu along the top
• Improved the design of the Render Setup > Render Elements LPE dialog
• Added message box when creating new Physical Sky with tone mapping disabled
• Updated to Iray License Manager 2.1
• Added Play/Pause menu option to ActiveShade quad menu
• Added Ray Depth spinner to Iray+ renderer
• Added new texture compression option to Render Setup > Settings > Materials
• Changed naming convention of sequences sent to Iray Server
• Changed naming convention of render element file names when rendering render elements

Iray for 3ds Max - 1.0.1-112378
(3ds Max 2014/2015/2016)

• Updated to Iray 2015.3.7
• ActiveShade now updates immediately when changing an environment's "Shadows" or "Roughness" parameters
• Added a default IES file to the Iray+ Light type, which is disabled by default
• Fixed an Iray+ Material memory leak
• Fixed issue where environments weren't updating in an already open Render Setup dialog when renamed
• Fixed issue where maps (excluding bitmaps) weren't displayed correctly in the viewport when set to the diffuse colour slot
• Fixed issue where maps weren't displayed correctly in the viewport when set to the opacity slot
• Fixed issue where not all particles were being rendered in the ActiveShade window
• Added partial support for bitmap sequences in material parameters, IBLs and Backplates (ActiveShade still doesn't update with the appropriate bitmap in the sequence when moving the time slider)
• Removed the unsupported Iray+ Metal and Iray+ Ocean materials from the Iray+ Scene Converter
• Switch ActiveShade over to using a machine's own hardware if a streaming connection to a VCA or Iray Server is lost
• ActiveShade window now renders the render mesh, not the viewport mesh
• Fixed issue with displaying enum parameters when importing MDL
• Fixed crash with CONSTANT particle type
• Fixed issue with some values not being displayed correctly when importing MDL
• Fixed crash when trying to use a missing custom sample object in the material editor
• Raised maximum bitrate when video streaming from 10Mbps to 100Mbps
• Fixed issue with material decal layer rendering incorrectly
• Fixed crash when listing properties of an MDL-based material using MaxScript
• Fixed issue where DOF renders differently in Production to ActiveShade
• Added controls to set gamma on network renders
• Use machine names in addition to IP addresses when connecting to Iray Server
• Updated Iray License Manager to v1.37
• Fixed issue with light analysis tool maximum sometimes being clamped to 40 Lux
• Fixed issue where 3ds Max environment/background maps didn't appear in Iray Server renders
• Reduced the amount that a file size grows when run through the Iray+ Scene Converter

More Resources:

• Getting Started with Iray for 3ds Max

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