Merge queues are a valuable tool for managing pull requests (PRs) in high-traffic repositories, helping to prevent merge conflicts and ensure a stable main branch by automating the process of grouping and merging PRs. They allow developers to focus on code changes without the constant need to rebase with the latest main branch updates, thereby minimizing syntax and semantic errors that occur with simultaneous feature branch developments. Merge queues work by adding PRs to a queue once they pass initial checks, then running additional comprehensive tests on the group before merging into the main branch. This approach is particularly beneficial for large teams where frequent changes can lead to conflicts and extensive rework. The article outlines different merge methods, such as merge, rebase, and squash, each with its advantages and drawbacks, and discusses the importance of queue configuration settings like build concurrency, merge limits, and failure responses to optimize the queue's efficiency. By implementing a merge queue, organizations can streamline their development workflows, reduce rework, and maintain a robust and conflict-free codebase, ultimately enhancing overall productivity and collaboration within development teams.