Is Contract collaboration introduced in 23B supported for non-ECM contracts?

Summary:

Dear Sourcing experts,

we read about the UCM-based contract collaboration features introduced in 23B. Is it supported for non-ECM contracts too, meaning when we use the terms repository on Sourcing and/or Purchasing documents?

Content (required):

Is Contract collaboration introduced in 23B supported for non-ECM contracts? If not, any update on when it will be or at least if it is planned?

Version (include the version you are using, if applicable):

23B

Code Snippet (add any code snippets that support your topic, if applicable):