Download and Installation

Arnold, KtoA, and other downloads are available here. Installation instructions come with KtoA, but can also be viewed here: Installation.


  • Arnold: 5.0.2+
  • Katana: 2.5v6+, 2.6v1+
  • Platforms:
    • Linux: x86-64, RHEL 6+ or compatible glibc
    • Windows: 7+ on x86-64, with VC++ 2015 redistributable installed


  • Update to Arnold included core version has been updated to with a handful of handy bug fixes.

Bug Fixes

  • #249 Deeply nested light instancing has wrong transforms

  • #250 Don't clone material to xgen_shader


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