For a config however, every addition is very likely to break someone's build and I suggest we stick to our current policy of a major release for any removal, change or addition.
So stylelint-config-standard is on v18. Ours has gone though a lot of change before getting to v1, but once we call it 1.0.0, that seems like a good policy.
This is a valuable discussion about lint config semver: https://github.com/stylelint/stylelint-config-standard/issues/86#issuecomment-316062096.
Ultimate point:
So stylelint-config-standard is on v18. Ours has gone though a lot of change before getting to v1, but once we call it 1.0.0, that seems like a good policy.