7.4.4.1
17 December 2025
Arnold 7.4.4.1 is a bug-fix release. For the full list of features in Arnold 7.4.4.0, see the Arnold 7.4.4.0 release notes.
Bug Fixes
- ARNOLD-16840 - Fixed custom AOV settings resetting when in interactive mode.
- ARNOLD-17049 - Fixed bloom rotation in aperture mode for angles below -180°
- ARNOLD-17058 - [GPU] Fixed incorrect per-depth ray counts reported in stats.
- ARNOLD-17076 - Fixed random missing lights when using
light_group and shadow_group on ginstance.
- ARNOLD-17088 - Fixed random crash when using
curves and points nodes with min_pixel_width.
- ARNOLD-17140 - Faster procedural node destruction when most of its nodes are modified. Fixes very slow instancer destruction.
- ARNOLD-17149 - [GPU] Fixed small per-instance GPU memory leak.
- ARNOLD-17151 - Fixed an incorrect "Rendering CPU utilization was only 0%" message being reported when utilization was greater than 0%.
- ARNOLD-17171 - Fixed
AiTextureTxFileNeedsUpdate returning false when colorconvert arguments contain empty spaces.
- usd#2467 - Hidden primitives do not show up when turned visible
- usd#2472 - Regression in render settings default value for autoTX
- usd#2478 - Support the Z AOV for the Hydra depth buffer
- usd#2486 - Fix a crash in the scene index happening when the typename is not yet defined
- usd#2481 - Fix regression with camera motion blur in Solaris
System Requirements
- Windows 10 or later, with the Visual Studio 2019 redistributable.
- Linux with at least glibc 2.28. This is equivalent to RHEL/Rocky 8.
- 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.
- Intel OIDN GPU support is limited to:
- macOS
- Apple native CPUs (M1 and newer)
- Linux
- NVIDIA GPUs using Turing or newer architectures
- 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