Nothing else at the moment, even as opt-in. We're considering this in the future, but want to make sure we do it right.
Make sure you do it differently than how Muse Group did it with Audacity (specifically the announcement and explanation of why and what parts) [0]. Which I'd argue is not particularly difficult to do.
[0]: https://arstechnica.com/gadgets/2021/07/no-open-source-audac...