Merging the PRs became smoother with predefined rules and aumatthion.

Intuitive and easy to setup for various use cases.

Personally, I love automatic approvals. Our repositories need to be kept in sync, so we have robots opening PRs that bump dependency versions into specific files. It happens at least on a daily basis. We configured Mergify to automatically approve and merge the PR if CI remains green. We used to have people do it manually. It saves a bunch of time!