For what it's worth, pyproject.toml seems to have been adopted without much
friction in SciPy. In some CI runs in SciPy, we use something like "pip
wheel --no-build-isolation -v -v -v" to disable the isolation in any case.
I suppose NumPy is indeed even closer to the base of the ecosystem, but the
In PR #13908 I implemented the previously-discussed new method of
creating the release notes: writing separate fragments and then
combining them at release time via towncrier. Towncrier requires a
PEP-508/PEP-517/PEP-518 pyproject.toml file for configuration, and
