How stacked PRs work behind the scenes at GitHub | S02E05 | The GitHub Podcast

Why watch

This podcast episode explores GitHub's native stacked pull requests feature, explaining the technical challenges of building the merge box systems, handling ghost merges across linked PR chains, and fixing code owner security vulnerabilities. Senior Product Manager Sameen Karim demonstrates how engineering teams can break large features into reviewable PR chains using the gh-stack CLI, discussing the architectural decisions that enable this workflow as a first-class GitHub feature.