What We Know (and Don’t) About Modern Code Reviews

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A deep review of modern code review research, its evolution, key themes, and the growing gap between academic findings and practitioner needs.
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This article traces the evolution of modern code review from formal inspections to tool-driven workflows, maps key research themes, and highlights a critical gap: how practitioners actually perceive and use MCR research. By pairing a systematic literature review with a practitioner survey, it surfaces where academic focus aligns—or clashes—with real-world software development practice.