
Before creating a new Node Material, make sure that the active Node Space is Arnold.Please update to R25.109 or above where the issue was fixed. Modifying a shader in a referenced material resets the Attribute Editor in Cinema 4D R25.010.Connecting shaders to non-linkable parameters does not show an error in Cinema 4D R23 and S24.No custom Arnold-specific menu categories in Cinema 4D R23 (shaders are listed under Uncategorized).No custom Arnold-specific editor functionality.Viewport preview is not fully supported.No python-support yet (other than the native support).It has to be defined via the ARNOLD_PLUGIN_PATH environment variable before starting Cinema 4D. OSL shaders from a custom folder are not listed if the plugin path is defined in the scene.toon.stylized_highlight cannot accept multiple lights.Matrix type parameters are not displayed properly.Loading textures from a folder in the ramp_rgb shader does not work in R23.Popup menus in user_data shaders are not working.Exporting and importing shaders are not supported.Value and object shaders are not ported.Copy the folder "Signal" from inside your "Manual Install Inside" the folder into the browser folder.Node Material support is currently in a beta state with some known limitations:.Find your "Applications/Maxon Cinema 4D R23/plugins" Folder.Double-click the "Signal MAC Installer.pkg" file and follow the instructions.Remove any older copies of "Signal" from your plugins folder.Find your “Program Files/MAXON/Team Render Client/plugins/“ Folder.Copy the folder "Signal” from inside your "Manual Install Inside" the folder into the plugins folder.Remove any older copies of "Signal” from your plugins folder.If there is not a "plugins" folder, create one.Find your “Program Files/MAXON/CINEMA 4D/plugins/“ Folder.Double-click the "Signal PC Installer.exe" file and follow the instructions.

For Plus HUB installation of plugins and assets, please see the Greyscalegorilla HUB FAQs " " Windows Standard Installation: This installation guide refers ONLY to the perpetual licensed Signal plugin, which is no longer available for purchase separately.
