HtoA 6.2.5.3

19 March 2024

HtoA 6.2.5.3 is a bugfix release using Arnold 7.2.5.3.

Installation

Download Arnold for Houdini from your Autodesk Account. See Download Arnold for more information about downloading HtoA from your Autodesk Account.
Follow these installation instructions

HTOA-2560 - Fixed Alembic packed primitives not assigning shaders with varying attributes
ARNOLD-14563 - Remove 100000 limit on number of cryptomatte manifest entries
ARNOLD-14732 - Render hangs when distance shader is connected to displacement
ARNOLD-14753 - [GPU] Crash with procedurals or global light sampling with NVIDIA drivers > 550
ARNOLD-14770 - Moving procedural child objects doesn't update procedural bounds
ARNOLD-14794 - Setting array parameter with same value detected as modification

Houdini, Houdini FX, Houdini Indie, and Houdini Education
- 19.0.720
- 19.5.805
- 20.0.625
Linux with at least glibc 2.28 and libstdc++ 9.3.1 (gcc 9.3.1) for Houdini 19, 19.5, and 20. 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. This is equivalent to Rocky 8.
macOS 10.13 or later, macOS 11 or later for Houdini 19.5
Apple Mac models with M series chips:
- Natively supported by Arnold for Houdini 19.5
- Supported under Rosetta 2 mode for older versions of Houdini
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.
- On Linux, we recommend 535.104 or higher drivers.
- On Windows, we recommend 537.13 or higher drivers.
Optix™ denoiser requires an NVidia GPU with CUDA™ Compute Capability 5.0 and above.