<!--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=18341) </details> <!--IssueSummary end--> #### Problem Currently you can `@all` mention everyone by mistake without getting a waning when committing your comment or description, actively notifying everyone in the project. This is undesirable and easily averted with some warning system. #### Proposal A similar implementation to slack's warning system.  #### CC/Call to actions @victorwu @rdavila