7.4.4.2
22 January 2026
Arnold 7.4.4.2 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-16335 - Rare crash during node update when using cryptomatte
- ARNOLD-16739 - Global Light Sampling is not correctly enabled in certain cases in IPR
- ARNOLD-16815 - DeepEXR driver hangs with certain invalid samples
- ARNOLD-16945 - Fix rare crash when loading some USD files
- ARNOLD-17173 - Conflicting MaterialX definitions for convert shaders cause random failures
- ARNOLD-17193 - No path mapping on OSL textures if texture_use_existing_tx is turned off
- ARNOLD-17195 - Crash when interactively replacing a procedural with an empty file
- ARNOLD-17206 - Crash when node does not have an AtNodeEntry
- ARNOLD-17296 - Crash when there are multiple non-simple imager_lens_effects nodes
- usd#2509 - Fix crash in Solaris when changing the rendered LOP interactively
- usd#2514 - Fix random inconsistencies between instantaneousShutter and ignore_motion_blur in Hydra
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