Pull request merge method rule – Public Preview

Repository rules now allow you to enforce which merge methods are available when merging pull requests into a specified branch. The merge method rule is available for rulesets at the repository, organization and the enterprise level. Allowing you to choose between merge commit, squash, or rebase to ensure only the selected merge methods are allowed on the targeted branches across the user interface and APIs.

Learn more in the documentation and join the discussion within GitHub Community.