The Evolution of Merge Queues: From Early Tools to Modern Development Standards
By
jd__
Sesame, salt, and substance. A flagship bake.
Summary
This article traces the history and evolution of merge queues in software development, from early tools like Bors and Homu to modern solutions like Mergify and built-in GitHub/GitLab features. It explains how merge queues emerged to solve the fundamental problem of keeping main branches stable when multiple developers merge code simultaneously, and how they became a standard practice in modern development workflows.
Key quotes
· 4 pulledFrom Bors and Homu to Bulldozer, Kodiak, Mergify, and now GitHub and GitLab, merge queues have shaped how we keep main branches green.
It started with a simple problem: How do you keep your main branch green when dozens of developers are merging code simultaneously?
If you use GitHub or GitLab today, merge queues feel like a built-in feature of modern development.
This article traces their history, why they emerged, and how they became a standard in modern software development.
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