I'm not aware of any Slack channel for OSM, but I can connect if needed. I'm also on Matrix/IRC.

About these relations: they have a meaning, are stable, and can be useful, so I don't see why they shouldn't be on OSM. I agree that the tags can be discussed.

I've changed the name of the relation - it should now be clearer.

I see, and I understand why it looks strange.

I've also seen these Highway Patrol Regions called with North/South/... Would it be more correct?

(I don't live in Texas, so I don't really know how these regions are usually called)

These relations for Highway Patrol were generated from this pdf: https://www.dps.texas.gov/sites/default/files/documents/sunset/documents/att12.0_dpsregboundaries.pdf

or here: https://www.dps.texas.gov/section/about-dps

Do you think there is an error in the relations I've pushed to OSM?

Bonjour,
Ce changement a modifié la relation pour la péninsule de la Bretagne en lac, avec l'ajout de natural=water. On va corriger ce souci, mais c'est un étonnant: qu'est-ce qui s'est passé lors de l'édition ?

I've reverted boundary of both countries, with additional fixes to make the boundary complete.

I've seen the same thing, with a relation incorrectly updated on this Changeset.

I will try to revert the change on the boundary.