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Rework rates after outsourced code review
Research on measuring substantive review changes without rewarding superficial approvals.
Review rework is the change made in response to a substantive finding before merge. Comment count alone is unsuitable because questions, automated notices, formatting notes, and risk findings have different meaning.
GitHub preserves review states and discussions, while Microsoft Security Development Lifecycle practices support risk-based review for security-relevant changes. These records allow review outcomes to be classified by purpose.
A study can group requested changes into correctness, security, test evidence, maintainability, requirements, and style. It should record whether the change altered behavior, added missing proof, or only clarified the submission.
High rework may identify unclear requirements, unfamiliar code, or effective detection of risk. Low rework may reflect strong preparation or weak review, so direction alone does not establish quality.
Compare similar work classes and examine downstream defects, reopened changes, and review latency. The goal is to improve briefs and checks, not minimize reviewer intervention at any cost.
Research takeaway: interpret rework with risk and outcome evidence while preserving independent company review before merge.
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FAQ
What should happen first?
Begin with a bounded ticket, approved access, and a named reviewer.
Who approves production changes?
The company’s technical owner keeps final merge and release authority.