In the meantime, I am still looking for better runtime support regarding Go and Rust, which seems frozen in time, perpetual beta (Go) and community (Rust), surprising given how much Go and Rust Vercel is supposed to use, and mentioned in blog posts regarding infrastructure improvements,

https://vercel.com/docs/functions/runtimes

All the best to Python folks I guess.

I feel a bit sad since I hadn't heard of Gel Data until today, but it's too late... seems like they had some interesting stuff in progress.