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: 2.5v7+, 2.6v4+, 3.0v1+
  • Platforms:
    • Linux: x86-64, RHEL 6+ or compatible glibc
    • Windows: 7+ on x86-64, with VC++ 2015 redistributable installed


  • AA_samples override per output: AA_samples can now be overridden per renderer output, resulting in separate passes in disk renders (preview renders still use the main samples setting). (#298)

Bug Fixes

  • #291 Yeti frameRelativeSamples, verbosity, and fallback sample time not set properly

  • #292 XGen sample time may be wrong when RenderSettings max time samples is 1


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