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C4DtoA 4.2.1 uses Arnold and is a minor feature release bringing support for Cinema 4D S26 and a number of bug fixes.

MultiExcerptNameC4D Limitations

Cinema 4D S24, R25 and S26 related issues in the legacy Arnold Shader Network Editor:

  • 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.


System Requirements

  • Cinema 4D
    • R21.026 and above
    • R23.008 and above
    • S24.111 and above
    • R25.010 and above
    • S26.013 and above

Rosetta2 mode for M1 Macs is no longer supported by Cinema 4D S26. This means Arnold can not run on Apple Mac models with M series chips in Cinema 4D S26 at the moment. M1 support is planned in a future release.

Multiexcerpt include
MultiExcerptNameSystem Requirements


  • Support for Cinema 4D S26: Builds for Cinema 4D S26.013 are now available. (C4DTOA-2713)

Bug Fixes

  • C4DTOA-2721 - Wrong color space when writing textures from the Node Editor
  • C4DTOA-2722 - 'Unable to write file' error when exporting scene to ASS
  • C4DTOA-2723 - Contour filter buttons are missing from the toon shader UI in the Node Editor
  • C4DTOA-2727 - Sometimes imagers trigger re-render instead of an imager only update
  • C4DTOA-2728 - Image sequence with absolute path in a Node Material fails on Mac
  • C4DTOA-2730 - Some log messages are missing from the console

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