Arnold 7.4.5.1 is a bug-fix release. For the full list of features, bug fixes, and incompatible changes in Arnold 7.4.5.0, see the Arnold 7.4.5.0 release notes.
Bug Fixes
ARNOLD-17399 - IPR crash after deleting shapes
ARNOLD-17489 - Crash with invalid vdb points grid in point cloud queries
ARNOLD-17494 - Linux crash regression in 7.4.5.0
usd#2557 - Fix regression when a geometry has an instancer without any instances
usd#2547 - Changing material terminal is not updated with Hydra 2
usd#2536 - ArnoldUsd procedural filename is not reported as an asset
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 requires driver versions newer than 582.16/580.126 (Windows/Linux). Older drivers will log an error and abort the render. Note that you can use New Feature Branch drivers.