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Welcome to RenderMan for Houdini 23.1!

This release of RenderMan for Houdini 23 (RfH), includes a number of new features and bug fixes that address feedback.

  • Rendering with RenderMan will not operate on Houdini Apprentice editions, see Side FX's website for options that allow Third Party Rendering
  • Houdini Indie is only compatible with 17.5, you must be using at least version 17.5.210 or higher


  • A bug that caused imported envmaps from the preset browser to fail in Houdini has been addressed

  • Fixed a bug on Linux and OSX where the plug-in wouldn't load if RenderMan ProServer was installed in a directory with a different name than the default
  • Fixed a texture manager failure that prevented auto-conversion

Miscellaneous Changes

  • Added hider:samplemotion option to ROP
  • Decreased time for render process to tear down instances when stopping
  • The material flag is only set for bxdf and displacement nodes

Known Issues

  • Display edits cannot changed from the image tool to mplay
  • Cross-frame denoising pdg support
  • Phantom objects are removed from all rays, not just camera rays
  • Applying undo of deleted nodes or collapsing to subnet may not work as expected
  • Rewiring subnet indirect inputs

Known Limitations

  • Rendering with Mantra lights or VOPs not possible
  • Bypassing shader nodes
  • Auto camera creation for IPR
  • RenderMan clipping planes