7.4.3.2 - Arnold User Guide

24 September 2025

Arnold 7.4.3.2 is a bug-fix release. For the full list of features in Arnold 7.4.3.0, see the Arnold 7.4.3.0 release notes.

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

• 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.
• macOS 11 or later.
• x86-64 CPUs need to support the SSE4.1 instruction set. Apple Mac models with M series chips are natively supported.
• GPU rendering and OptiX denoising work on Windows and Linux only, and require an NVIDIA GPU with the Maxwell architecture or later.
  • On Linux, we recommend 570.153.02 or higher drivers.
  • On Windows, we recommend 573.42 or higher drivers.
• Intel OIDN GPU support is limited to:
  • macOS
    • Apple native CPUs (M1 and newer)
  • 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