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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.
  • 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

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