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This release uses Arnold and OpenVDB 4.0.0.

Binaries available for the following Houdini, Houdini FX, Houdini Indie and Houdini Education production builds:

  • 16.5.634
  • 17.0.506
  • 17.5.327
  • 17.5.360
  • 17.5.391

and for the following platforms:

  • Linux x86_64 (H16: gcc4.8 and H17: gcc6.3)
  • Windows 7 x64 (H16: vc14 and H17: vc14.1)
  • Mac OS X 10.8+ (clang7.3)


Please note that Houdini Apprentice does not support third-party renderers and thus cannot run HtoA.


  • Rewrite hick with new render API (htoa#663)

  • IPR for displacement shader graphs (htoa#1291)
  • Translate scene in separate universe (htoa#1284)


  • Update alembic transform in IPR (htoa#1290)

  • IPR shader update should respect the Auto Update status (htoa#1289)

  • Allow referencing OBJ nodes with trailing slash on arnold ROP (htoa#1297)

  • Fix load warnings for arnold_volume node (htoa#1282)


See also the Arnold release notes for the full list of core enhancements and fixes.


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