5.4.5 - Arnold for Maya
18 September 2024
MtoA 5.4.5 uses Arnold 7.3.4.1 and is a minor feature release bringing improvements for OpenPBR Surface
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.
Enhancements
- OpenPBR enhancements - Improvements to the conversion tools and the OpenPBR shader user interface make it easier to convert scenes that use aiStandardSurface or the Maya Standard Surface to OpenPBR. (MTOA-2104,MTOA-2086,MTOA-2062,MTOA-2054)
Bug Fixes
- MTOA-1937 - Fix crash when reopening Arnold Render View
- MTOA-2069 - Use Snapshots Folder On setting not preserved when you reopen the Arnold RenderView
- MTOA-2090 - OpenPBR: Emission Luminance not correctly represented in Viewport
- ARNOLD-14289 - Crash when interactively removing operator nodes
- ARNOLD-15406 - [GPU] Uninitialized memory causing random crashes
- ARNOLD-15437 - open_pbr_surface was not supported in arnold MaterialX implementation
- ARNOLD-15445 - [GPU] Crash with multiple GPUs
- ARNOLD-15465 - Setting IOR to high values in OpenPBR causes NaNs
- usd#2090 - Fixed crashes when registering the TfNotice callback multiple times
System Requirements
- 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 535.104 or higher drivers.
- On Windows, we recommend 537.13 or higher drivers.
- Intel OIDN GPU support is limited to:
- Apple native CPUs (M1 and newer)
- 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