[leonardool]

> IIRC (might be wrong here) we had full support for JS, C, Python and Scheme from the start

I'm pretty sure we had support for JS, C, Python from the beginning as well. Then Scheme, posix shell, assembly came along for the ride.

> I'm unsure how support was kept throughout the versions but I know a much larger set of languages now support the runtime, at least for a subset of the features

One thing that really helped is CI testing! All the RVMs (the 16 targets) are now fully tested at each PR (https://github.com/udem-dlteam/ribbit/actions)