Nah, the new version is hosted at a new url. Even if we ignore the hash suggestion, you don't want to have some dev on the other side of the planet suddenly up

Nah, the new version is hosted at a new url. Even if we ignore the hash suggestion, you don't want to have some dev on the other side of the planet suddenly update one of your libraries on your live website. That should never be a thing in the first place, so it won't be a problem.