Arnold for Houdini 6.4.2.1 is a bugfix release that uses Arnold 7.4.2.0. For the full list of features in HtoA 6.4.2, see the HtoA 6.4.2 release notes.
Installation
Download Arnold for Houdini from your Autodesk Account.
See Download Arnold for more information about downloading Arnold for Houdini from your Autodesk Account.
Follow these installation instructions.
Bug Fixes
HTOA-2907 - Fixed classic HtoA IPR on Mac (caused by incorrect rpaths)
HTOA-2138 - Import materials now sets uv_projection.matrix properly
HTOA-2902 - Arnold ROP no longer explicitly checks if a directory is writable when Create Intermediate Directories is set
System Requirements
Houdini, Houdini FX, Houdini Indie and Houdini Education
19.5.805
20.0.896
20.5.584
Linux with at least glibc 2.28 and libstdc++ 9.3.1 (gcc 9.3.1) for Houdini 19.5, 20 and 20.5. This is equivalent to RHEL/CentOS 7.
Linux with at least glibc 2.17 and libstdc++ 11.2.1 (gcc 11.2.1) for Houdini 20/20.5. This is equivalent to Rocky 8.
macOS 11 or later
Apple Mac models with M series chips are natively supported by HtoA
x86-64 CPUs need to support the SSE4.1 instruction set. Apple Mac models with M series chip are supported natively mode.
GPU rendering works on Windows and Linux only and requires an NVIDIA GPU with the Maxwell architecture or later.