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KtoA 4.3.2.1 - Arnold for Katana

19 June 2024

KtoA 4.3.2.1 uses Arnold 7.3.2.1 and is a bugfix release.

Installation

  • Download the Arnold for Katana plugin
  • Follow these installation instructions

Katana 4.5 and 5.0 compatibility

Katana 4.5v3 and 5.0v3 introduced a change that affects the Arnold USD plugins support in Katana. This release of KtoA supports those Katana versions or newer within their release series. Katana 4.5v1, 4.5v2, 5.0v1, and 5.0v2 are not supported by this KtoA release.

Bug Fixes

  • ARNOLD-14365 - Fix AiNodeGetMatrix to return node matrix instead of identity after node initialization in batch renders

  • ARNOLD-14779 - AtProfiledLockable not compiling on Windows in newer MSVC due to Mutex::native_handle_type

  • ARNOLD-14893 - [GPU] 4MB GPU memory leak per frame

  • ARNOLD-15041 - Arnold does not run on Linux distros with glibc 2.39 (RHEL 9.4)

  • ARNOLD-15048 - Fix OIDN dll name clash with DCCs by renaming OIDN libraries

  • ARNOLD-15060 - Arnold should not catch C++ exceptions it did not generate

  • ARNOLD-15087 - uv_projection shader uses corrupt UVs for evaluating its default_color shader

  • ARNOLD-15121 - [GPU] crash when CUDA error has no message

  • ARNOLD-15122 - Crash destroying a light that is part of a light group

  • ARNOLD-15136 - Random hang when parallel initializing scene

  • ARNOLD-15169 - Crash when modifying a child node from procedural_update

  • usd#1923 - Fix instance primvar indices with multiple prototypes

  • usd#1929 - Ensure subdiv_iterations is not set unnecessarily during procedural updates

  • usd#1932 - Fix a crash when the number of elements in a primvar is not equal to the number of points

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/CentOS 7.
  • 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.
  • Intel OIDN GPU support is limited to:
    • Intel Xe dedicated and integrated GPUs
    • NVIDIA GPUs using Turing or newer architectures```
  • Katana 4.5v3 or newer, Katana 5.0v3 or newer, Katana 6.0v1 or newer, Katana 6.5v1 or newer, or Katana 7.0v1 or newer.

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