Repository rules are now generally available on GitHub.com.
Repository rules allow you to easily govern protections for branches and tags on your repositories. Repository collaborators also gain access to see what rules are in place via the Web, git client, and the GitHub CLI.
For GitHub Enterprise Cloud customer, you gain the ability to enforce branch and tag protections across repositories in your organization. As well as insights on rule enforcement, evaluation mode to test rules before enforcing them and governance around commit messages.