I mean Ubuntu has a bunch of python libs. The problem is that you need to make a universe of mutually compatible libs, so if _any_ of the libs have old-ish depe

I mean Ubuntu has a bunch of python libs. The problem is that you need to make a universe of mutually compatible libs, so if _any_ of the libs have old-ish dependencies, that holds back so much. I think what happens in practice is package maintainers do the work to get things up to date, and so only include a subset.