Share

KtoA 4.3.7.1 - Arnold for Katana

21 Mar 2025

KtoA 4.3.7.1 uses Arnold 7.3.7.0 and is a bug-fix release with many live rendering and ramp shader fixes.

Installation

Bug Fixes

  • KTOA-69 - Keep previous rendered pixels when live render region changes
  • KTOA-370 - Use NewChannelMessage_v2 with RGBA format for performance
  • KTOA-632 - ROI rendering clears monitor outside of crop region
  • KTOA-701 - Ramp connections lose ramp attribute data
  • KTOA-732 - Ramps revert settings when caches flushed
  • KTOA-747 - ramp_rgb.use_implicit_uvs resets to on when you export to ass
  • KTOA-777 - Garbage collect old shaders that are left behind during live rendering changes
  • KTOA-1029 - Adding a light to a light rig stops solo from working on other lights
  • KTOA-1030 - IPR stops updating after changing spot lights
  • KTOA-1058 - Ramp gradient gets reset everytime we make an input connection
  • KTOA-1074 - Immediately interrupted live render
  • KTOA-1075 - Dragging lights into rigs breaks the lighting
  • KTOA-1076 - Solo and mute is broken for lights in a light rig
  • KTOA-1077 - Adding/removing lightFilters not updated
  • KTOA-1079 - Adding/removing geo via nodes does not update
  • KTOA-1080 - Small ROIs result in an error
  • KTOA-1082 - Previous image is kept in the viewer while updating ROI
  • KTOA-1089 - Pruning geo not updated
  • KTOA-1093 - Changing or adding user data does not update during live render
  • KTOA-1100 - Forgotten nodes in live rendering causing empty node name warnings
  • KTOA-1101 - Moving lights into and out of rigs results in duplicate light nodes
  • KTOA-1102 - Inherited transforms wrong or doubled up in live rendering changes
  • KTOA-1103 - Adding multiple light filters in live rendering drops light filters
  • KTOA-1105 - Constraints on light rigs not updated in live rendering
  • KTOA-1107 - Light filter disappearing with parent light intensity changes in live rendering
  • KTOA-1111 - Live rendering: crash when adding and removing light filter reference
  • KTOA-1113 - Live render: no update when removing item from light linking list

System Requirements

  • Windows 10 or later, with the Visual Studio 2019 redistributable.
  • Linux with at least glibc 2.17 and libstdc++ 4.8.5 (gcc 4.8.5). This is equivalent to RHEL 7. For Katana 7.0 and newer, an equivalent of RHEL 8 or newer is required.
  • x86-64 CPUs need to support the SSE4.1 instruction set.
  • GPU rendering and Optix denoising work on Windows and Linux only, and require an NVIDIA GPU with the Maxwell architecture or later.
  • Katana Katana 6.0v1 or newer, Katana 6.5v1 or newer, Katana 7.0v1 or newer, Katana 7.5v1 or newer, or Katana 8.0v1 or newer.
  • Intel OIDN GPU support is limited to:
    • Windows
      • Intel Xe dedicated and integrated GPUs
      • NVIDIA GPUs using Turing or newer architectures
      • AMD GPUs with RDNA2 (Navi 21 only) and RDNA3 (Navi 3x) architectures
Parent page: Release Notes

Was this information helpful?