5.4.8.1 - Arnold for Maya

2 April 2025

MtoA 5.4.8.1 uses Arnold 7.3.7.1. For the full list of features in MtoA 5.4.8, see the MtoA 5.4.8 release notes.

Installation

Download Arnold for Maya from your Autodesk Account. See Download Arnold for more information about downloading MtoA from your Autodesk Account.
Follow these installation instructions.

MTOA-168 - Incorrect results with OutTransparency from file connected to Transparency of Lambert
MTOA-1888 - OutTransparency is translated as an outColor connection
MTOA-2293 - LayeredTexture sets enabled state incorrectly for connected layer_rgba shaders
ARNOLD-14467 - Random GPU crash during JIT compilation
ARNOLD-15983 - OpenEXR DWAA float textures read incorrectly
ARNOLD-15985 - [MaterialX] Parameter with "defaultgeomprop" attribute set overrides connection
ARNOLD-15986 - [MaterialX] Crash when node with the same name exists inside a nodegraph
ARNOLD-15993 - Raw drivers receiving incorrect number of samples
ARNOLD-16041 - [MaterialX] connections to named nodegraph outputs do not work
ARNOLD-16050 - [MaterialX] ND_mix_surfaceshader renders black when assigned from materialx operator
ARNOLD-16053 - Triplanar produces artifacts on GPU with some NVIDIA drivers

Maya 2023, 2024, or 2025
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.
macOS 10.13 or later, macOS 11 and later for Maya 2024
Apple Mac models with M series chips:
- Natively supported by Arnold for Maya 2024
- Supported under Rosetta 2 mode for older versions of Maya
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 560.35.03 or higher drivers.
- On Windows, we recommend 560.76 or higher drivers.
Intel OIDN GPU support is limited to:
- Intel Xe dedicated and integrated GPUs
- NVIDIA GPUs using Turing or newer architectures