<!--IssueSummary start--> <details> <summary> Everyone can contribute. [Help move this issue forward](https://handbook.gitlab.com/handbook/marketing/developer-relations/contributor-success/community-contributors-workflows/#contributor-links) while earning points, leveling up and collecting rewards. </summary> - [Close this issue](https://contributors.gitlab.com/manage-issue?action=close&projectId=278964&issueIid=3502) </details> <!--IssueSummary end--> The fact that the setting "Trigger pipelines for mirror updates" is not enabled by default for a mirrored project, even though there's a valid `.gitlab-ci.yml`, has been very confusing when I created mirrored projects. I didn't realize this and wondered what was going on with the pipelines.