Breaking up is hard to do when it comes to large pull requests, so GitHub is stacking things in favor of development teams with a new feature to facilitate code reviews and prepare for an AI-driven surge in code changes.

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GitHub has launched Stacked PRs, a native feature that lets developers break large pull requests into smaller, dependent units for incremental review. Delivered via a new gh-stack CLI extension, it automatically propagates changes across stacked branches to minimize rebasing effort and preserve review context. The feature is partly a response to AI-assisted coding tools generating massive code volumes — GitHub projects 14 billion commits this year versus 1 billion last year. Analysts note it validates the stacking workflow category while posing a competitive threat to third-party tools like Graphite CLI. Adoption challenges center on workflow discipline rather than technical complexity.

GitHub adds Stacked PRs to speed complex code reviews