Here are the issues concerning the CSS part, we encountered with @julien-deramond.
This PR is a split of #36398
Tackled by the PR
https://github.com/twbs/bootstrap/pull/36398/commits/633fca4fc3e6a97fc0064f803f4a85fe79afbcc4)
Re-order for default objects with (Alphabetical reordering of the default objects. If these changes are approved, it might be great to see if other objects could be updated this way. Just as an example : https://github.com/twbs/bootstrap/blob/416f4905f13c2ca3096343e0a5a4934c8c0ced3f/js/src/dom/event-handler.js#L24