The test results show that Onlyoffice.plone connector does not support the latest Python version 3.12.
Hope Onlyoffice will upgrade to support it, since the Ubuntu 24.04 default python verison is 3.12.
Additionally, if it’s convenient, could you please find the last post of this issue? HTTPS not work with onlyofficedoc + Onlyoffice.plone + Plone 6
HTTPS problem resolved, but onlyoffice cannot display any double-byte language.