- Houdini, Houdini FX, Houdini Indie and Houdini Education
- 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.
- macOS 10.13 to 10.15. Note that macOS 11 Big Sur is not certified.
- CPUs need to support the SSE4.1 instruction set.
- GPU rendering works on Windows and Linux only and requires an NVIDIA GPU of the Ampere, Turing, Volta, Pascal, or Maxwell architecture. We recommend using the 460.39 or higher drivers on Linux and 461.40 (Quadro), 461.40 (GeForce), or higher on Windows. See Getting Started with Arnold GPU for more information.
- Optix™ denoiser requires an NVidia GPU with CUDA™ Compute Capability 5.0 and above.
- htoa#1662 Fix for import materials/operators script
- htoa#1663 Fix help URLs on arnold OTLs
- htoa#1656 Fix for linux installer
- core#10355 Do not warn about loading non-Arnold Yeti libraries
- core#10334 [GPU] Deleting layers in imager_light_mixer cause GPU crashes and frame corruption
- core#10345 [GPU] Stack overflow when using wireframe with many sided polygons
- core#10306 [Imagers] imager_denoiser_noice creates black layers for AOVs not matching layer_selection
- core#10269 [Imagers] Slowdown when doing frequent imager updates
- core#7216 [OSL] Wrong hit distance returned after trace() call
- core#10316 Rare IPR hang
- core#4530 Reset texture cache stats after every render
- core#4845 Support detection of Windows version > 8.0
- usd#654 Transform is not synced for the points primitive