Release Notes


Fixes / Changes

  • Fix for Relight for wrong relight groups in presto
  • Fix for FBX import scale
  • Fix for unused emitter materials appearing on relight
  • Fix for a rare crash when Rhino was shutting down
  • Fix for possible wrong spotlight orientation when using IES files.
  • Updated Resource Manager to include IES resources used in the scene.
  • Update scene archiving to include IES files.
  • Added better handling for geometry updates for Interactive Render


New features

  • UV Randomizer
  • Bitmap Randomizer
  • Random Glints
  • Substance 3D Materials support
  • Global Coordinates
  • Added IES support for spot lights
  • Support for Rhino Nature

Fixes / Changes

  • Intel Open Image Denoiser updated to v1.4.1
  • New Material Editor layout including Texture Editor
  • Moved material presets to the material editor
  • Fixes for bugs related to batch rendering
  • Fixes for Relight


  • Fixed region render not cleared correctly during IR
  • Fixed tonemapping when region removed from image in Darkroom
  • Fixed FULL MODEL disabled parameters in Model Browser
  • Added check for duplicate files when exporting scene archive.
  • Fixed Rhino PBR material not switching to Thea material and keeping proper conversion properties.
  • Improved material renaming. Material names are updated also when the name text field loses focus.


  • New denoising channels for enhanced denoising.
  • Update to Intel Open Image Denoiser 1.3.0.
  • Added weight for LUTs.
  • Added a new False Color LUT.
  • Extended locked camera in darkroom. Now it locks to the active camera at all times.
  • Added warning message dialog when trying to render in the viewport and darkroom concurrently
  • Darkroom now remembers last image file type saved and overrides the file type selection when saving a render image
  • Added automatic material refresh in the content browser when saving a material from the material editor
  • Added File Saved notification
  • Fixed a freeze when enabling/disabling a denoiser during render.
  • Fixed wrong icon size loaded for the "Pause" render button in Darkroom.
  • Fixed EXR dialog not accepting "Return" key to confirm channel selection and ESC to cancel.
  • Fixed resizing of history panel in darkroom
  • Fixed Rhino light groups failing to convert to proper Relight Groups


  • Updated path read for Thea data. Both My Documents and ProgramData are taken into account.
  • Fixed Rhino Search Path as texture repositories.
  • Fixed a crash when trying resuming a render in Darkroom.
  • Added warning when resuming render and the film's sample per pixel is higher than the given sample limit.
  • Added manual sun color override.
  • Added Search Path refresh when loading a new scene.
  • Fixed EDU node-locked license validation.
  • Updated visibility for Thea Render Rhino Display Settings
  • Updated Material editor
  • Updated history panel position when darkroom is maximized.
  • Fix for infinite plane missing in CPU engine rendering.
  • Fix for shadow catcher being dark on areas not lighten by spot lights (Presto)
  • Crash fix for Presto in the presence of scenes with glasses and very high tracing depth
  • Fix for OptiX IR denoising with supersampling > None



  • Adaptive Tracing
  • Relight Editor
  • Support for Intel® Open Image Denoiser
  • Interactive Denoising
  • Out-of-core Rendering
  • Render History
  • Resume Render


  • Unified Content Browser
  • Enhanced Region Render
  • Optimized and GPU-Accelerated Glare
  • Grasshopper® Interactive Updates
  • Console and Network log
  • Lock Camera Viewport
  • Assign Material by Parent for Blocks