Release Date

February 28, 2020

This release includes the beta version of Arnold GPU

Important information about Arnold GPU (beta)

Download and Installation

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


  • Arnold:
  • Katana: 3.1v1+, 3.2v1+, 3.5v1+
  • Platforms:
    • Linux: x86-64, RHEL 6+ or compatible glibc
    • Windows: 7+ on x86-64, with VC++ 2015 redistributable installed
  • GPU (beta): see here for detailed information. Required NVIDIA drivers:
    • Linux: 418.56 or higher

    • Windows: 419.77 or higher


  • Improved translation time for instances: Generating point-based or instance-array-based instances now takes a fraction of the time scenes that rely heavily on instancing via pointclouds or instance arrays. (#335)

Bug Fixes

  • #455 When setting light_groups via the lightStatements attribute, the light_group AOV displays black when in Live Rendering

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