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December 10, 2019


Supported Cinema 4D versions:

  • R19.024 and above
  • R20.057 and above
  • R21.026 and above

This version uses the Arnold core, and it includes the Arnold GPU. See the Release Notes.



Autodesk Network Licensing now requires new license files with an updated 2020 version. Please follow the instructions on this page to generate your license file. More info about Arnold 6 licensing can be found here.


  • GPU no longer in beta: Since the majority of the CPU features are now supported on the GPU, with lots of stability fixes and a good match between the CPU and GPU results, we're boldly removing the beta tag! For supported features and improvements please check the core Release Notes.
  • New single-user licensing mode: Now users can sign-in with their Autodesk ID for being authorized, buying subscriptions, etc. The single-user licensing mode requires installation of the Autodesk Licensing Service and Single Sign-On components that can be installed from the Arnold License Manager tool if necessary.
  • Arnold License Manager: The new Arnold License Manager tool allows to easily configure Arnold licensing through a graphical user interface. Users can select and change license type (e.g. Single-user, Network or RLM), sign in to their Autodesk Account, specify license server addresses for network licensing, etc. You can still configure licensing through environment variables, such as ARNOLD_LICENSE_ORDERsolidangle_LICENSEADSKFLEX_LICENSE_FILE, in which case they override the settings in the Arnold License Manager configuration file.
  • Material export and Material import: Materials can be exported to ASS files and MaterialX files (.mtlx) via the C4DtoA > Utilities > Material > Export... menu item or via the Alt+W~X shortcut in the Material Manager. Materials can be imported via the C4DtoA > Utilities > Material > Import... menu item or Alt+W~I shortcut. Selected shaders of a material can also be exported from the network editor.



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