[crad]

Personally I'm very disappointed that we keep inventing new standards, like pyproject.toml when other things have like setup.cfg, existed for an extended period of time, works well, and is supported for reading and writing by the stdlib.

[OJFord]

I see pyproject.toml as more like 'tox.ini is nice, it's good that so many tools use it, but it's really nothing to do with tox', and bringing them (and hopefully those declining tox too) and setup.cfg into one.