Download and Installation

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


  • Arnold: 5.0.1+
  • Katana: 2.5v6+, 2.6v1+
  • Platforms:
    • Linux: x86-64, RHEL 6+ or compatible glibc
    • Windows: 7+ on x86-64, with VC++ 2015 redistributable installed


  • Updated to Arnold This version brings a handful of bug fixes over, see the release notes for more information.

Bug Fixes

  • #209 Only one AOV shader can be used

  • #210 Crash when sending object IDs with multithreaded scene build

  • #211 ROI live changes incorrect with multiple output channels


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