What I learned from creating a Merge Queue

What is a Merge Queue?

When your team wants to ensure all tests are passing before their changes are merged into main/master/trunk it can be helpful to have an automated process to trigger those tests and ensure they pass before merging. A lot of Pull Request systems can do this for you with a check that the tests must pass before merging. There isn’t any reason to consider a merge queue unless the test take a long time to run. Waiting 5 minutes between updating a pull request and merging it in is usually fine but waiting a hour can become a problem. Especially when there are a lot of other people working on the same code base.

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