This is a hot-fix release, including a fix for Solaris integration on Windows.



  1. Get the install files on Downloads.
  2. Follow these installation instructions.


This release uses Arnold, OpenVDB 4.0.0 and Arnold-USD (2056d6bf).


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

  • 17.0.506
  • 17.5.460
  • 18.0.416

and for the following platforms:

  • Linux x86_64 (gcc6.3)
  • Windows 7 x64 (vc14.1)
  • Mac OS X 10.11+ (clang7.3)


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


  • #1431 Error loading hick on OSX

  • #1432 The Render Delegate crashes Houdini 18.0.416 on Windows

  • #1433 Empty string exported for Primitive attributes on simple geometry

  • #1434 Make the set_parameter node editable in the AssignMaterial ROP

Known Issues

  • #1440 Enabling GPU rendering fails on Solaris on Windows


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


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