Deleting a duplicate line is the safest change in software. Nothing can break, because nothing changes. I believed that right up until I measured it. The door Apache Kafka does not run its CI for a first-time contributor. A pull request from someone the project has never merged gets a labeler and a triage bot, and the real build waits until a committer approves it. When I looked, one first-timer's pull request had been sitting for five days with two check runs, no comment and no ...