On June the 23rd, 2025, Maxon Computer released Cinema 4D 2025.3.1, a hotfix for Cinema 4D 2025.3.0. For an overview of the fixes of Cinema 4D 2025.3.1, please refer to the 2025.3.1 release notes. Alongside this release, a new Cinema 4D SDK and SDK documentation have been released, reflecting the API changes for 2025.3.1. The major changes are:

C++ API

• None

Python API

• Fixed a critical issue with c4dpy that would cause it to halt indefinitely when run for the first time.

Head to our download section to grab the newest SDK downloads, or the read the Python API change notes for an in detail overview of the changes.

Happy rendering and coding,
the Maxon SDK Team

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