4.8.4.1 - Arnold for Cinema 4D

24 September 2025

C4DtoA 4.8.4.1 uses Arnold 7.4.3.2 and is a bugfix release. For the full list of features in C4DtoA 4.8.4, see the C4DtoA 4.8.4 release notes.

Installation

Download Arnold for Cinema 4D from your Autodesk Account. See Download Arnold for more information about downloading C4DtoA from your Autodesk Account.
Follow these installation instructions.

C4DTOA-3430 - Particles positioned incorrectly if the Particle Group is not at world origin
ARNOLD-16506 - Cryptomatte filter was not reflecting interactive changes in the beauty filter
ARNOLD-16695 - MaterialX Color4 Image node throws error while rendering
ARNOLD-16713 - Support normalmap shaders from older versions of materialx
ARNOLD-16723 - Support materialx_types in AiMaterialxGetNodeEntryFromDefinition
ARNOLD-16761 - Crash when largest polygon stats contains deleted mesh
ARNOLD-16770 - Scene bounding box is not updated for changes that reinitialize a geometry node
ARNOLD-16772 - Nested procedural instances randomly disappear when GPU rendering on Linux
usd#2422 - Fix regression on frame changes in the usd procedural

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 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.
- On Linux, we recommend 560.35.03 or higher drivers.
- On Windows, we recommend 560.76 or higher drivers.
Intel OIDN GPU support is limited to:
- MacOS
  - Apple native CPUs (M1 and newer)
- 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