KtoA 4.4.3.2 - Arnold for Katana
24 September 2025
Arnold for Katana 4.4.3.2 uses Arnold 7.4.3.2 and is a bugfix release. For the full list of features in KtoA 4.4.3.0, see the KtoA 4.4.3.0 release notes.
Important: The Arnold 7.4.3.x releases are the last Arnold releases that will include support for CentOS 7.
Installation
- Download Arnold for Katana from your Autodesk Account.
- Follow these installation instructions.
Bug Fixes
- ARNOLD-16506 - Cryptomatte filter was not reflecting interactive changes in the beauty filter
- ARNOLD-16695 - MaterialX Color4 Image node throws error while rendering
- ARNOLD-16713 - Support normalmap shaders from older versions of materialx
- ARNOLD-16723 - Support materialx_types in AiMaterialxGetNodeEntryFromDefinition
- ARNOLD-16761 - Crash when largest polygon stats contains deleted mesh
- ARNOLD-16770 - Scene bounding box is not updated for changes that reinitialize a geometry node
- ARNOLD-16772 - Nested procedural instances randomly disappear when GPU rendering on Linux
- usd#2422 - Fix regression on frame changes in the usd procedural
System Requirements
- Foundry Katana 5.0v6, 6.0v1
- Linux with at least glibc 2.17 and libstdc++ 4.8.5 (gcc 4.8.5)
- x86-64 CPUs need to support the SSE4.1 instruction set
- GPU rendering requires an NVIDIA GPU with Maxwell architecture or later. We recommend 570.153.02 or higher drivers.
- Optix denoiser requires an NVidia GPU with CUDA Compute Capability 5.0 and above.