Note: Known issues in the legacy Arnold Shader Network Editor since Cinema 4D S24:
Drag & drop nodes to the node editor does not work as expected:
Drag & drop an Arnold Material to create a reference. A Cinema 4D Object Operator node is created instead of an Arnold Material reference node.
Drag & drop an object to create an object reference. A Cinema 4D Object Operator node is created instead of an Arnold object node.
Drag & drop a Vertex Map to create a Vertex Map shader. A Cinema 4D Object Operator node is created instead of an Arnold Vertex Map shader.
Ctrl + drag a shader in the node editor in S24 creates two copies instead of one. shift + drag and Shift + Alt + drag does not work.
Note: Adding shaders to a Node Material from python crashes Cinema 4D 2024.
Bug Fixes
C4DTOA-3076 - IPR does not update after undo parameter changes in a Node Material
C4DTOA-3081 - Crash in Cinema 4D 2024 if Arnold sky texture is defined with relative path
C4DTOA-3083 - Selected object mode in scene export does not work correctly
System Requirements
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 chip are natively supported.
GPU rendering works on Windows and Linux only and requires an NVIDIA GPU of the Ada, Ampere, Turing, Volta, Pascal, or Maxwell architecture. We recommend using the 525.89 or higher drivers on Linux and 528.49, or higher on Windows. See Arnold GPU for more information.
The cache also needs to be re-populated after installing a new Arnold version, updating to a new NVIDIA driver, or changing the hardware configuration of GPUs on the system. More information can be found here.