5.5.1.1 - Arnold for Maya
6 May 2025
MtoA 5.5.1.1 uses Arnold 7.4.1.1 and is a bugfix release. For the full list of features in MtoA 5.5.1, see the MtoA 5.5.1 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.
Bug Fixes
- MTOA-2294 - When a LookdevX node is duplicated, created, or disconnected, render is not updated
- MTOA-2150 - AOV UI not resizing correctly with Render Settings window
- ARNOLD-16006 - Adding Cryptomatte causes Opacity AOV to be black
- ARNOLD-16044 - [GPU] IPR crash when modifying a shape's parameter
- ARNOLD-16116 - Render report fixes and cleanups
- ARNOLD-16155 - Emission cone is too narrow for IES lights in Global Light Sampling
- ARNOLD-16181 - Performance regression in initialization of instanced procedurals
- ARNOLD-16184 - Crash when
options.outputsis set to a null array pointer - ARNOLD-16187 - Change default for
procedural_instancing_optimizationfromexhaustivetoconservative - ARNOLD-16214 - Procedural bounding box not correctly recalculated after adding nodes in
procedural_update - ARNOLD-16247 - Crash when using
AiProceduralExpandwithout a render session - usd#2269 - Fix lost shader connections when the Hydra procedural was updated (mtoa)
- usd#2268 - Re-enable instancer motion blur on the first rendered frame by recomputing the transform matrices when the shutter is updated
System Requirements
- Maya 2024, 2025, or 2026
- 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:
- 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