In late March, version 78.0.1 of Setuptools — an important Python packaging tool — was released [...]

Discussing a breaking change in Python’s setuptools.

The really interesting part is in the discussion section… and it shows once more how incredibly well-designed the GNU Guix package manager is – which solves these problems very very well, for arbitrary languages and with a fast growing distribution of, by now, about 50,000 packages.