Known Issues

• For scenes created in 3ds Max 2025 or later, OpenColorIO is the default mode for color management.

  To preserve the appearance of scenes created in earlier versions of 3ds Max (if required), please ensure that the Color Management Mode, accessible from the Rendering > Color Management… tab, is set to Gamma Workflow.




• The following warning may be issued by Iray when rendering with the AI De-noise Optimization filter enabled:

   1.0 POST rend warn : It is recommended to enable "progressive_aux_canvas" when denoiser is active.
   

  To activate this canvas and stop the warning from being broadcast, under Rendering > Render Setup… > Render Elements > Render Elements, tick the Antialias Elements checkbox.

See Also:

• Color Management in 3ds Max
• Render Elements

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