(If you haven't seen it yet, T3116 has some general discussion of planned features.)

The major issue I worry about here is how this interacts with updates. It probably means that we need to separate major versions of the document (versions which change the legal meaning of the document) from minor versions (versions which, e.g., correct spelling). It makes workflows where an agreement changes and requires re-signature more complicated (what if a translation of the new version isn't available yet?).

I think this stuff is reasonably easy to build and answer, but it's more complicated than just putting a "language" column in the database, and we're a decent amount of work behind having Legalpad work well for pure-English documents.

Just letting you know that https://legalpad.wikimedia.org/ is now in production. It is still an empty shell going through basic testing before adding an actual document in English and asking real users to sign it.

We will know soon how big & deep is the demand for multilingual instances of the English doc. While this feature is implemented, we might just post docs in different languages. I'll keep you posted here.