Quick wins for a faster PC:
Repair Windows errors before they cause bigger problemsFix Now →Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →If a production bug passed through a change you approved, revisit the change to understand what you could have noticed, acknowledge your part to the author, and adjust one review habit that fits the miss. The goal is to learn from this review—not to promise that you will never miss a bug again.
Start by rereading the change
Once the immediate incident is being handled, return to the change with the bug in mind. Ask: What would I have needed to notice? Focus on the review itself rather than turning the exercise into a judgment of your ability or the author’s competence.
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Look for a specific explanation. Perhaps the relevant issue was outside the changed lines, an edge case did not come to mind, you read the code without running it, or you did not inspect how callers used it. Naming the actual miss gives you something practical to change; “I should pay more attention” does not.
Choose a response that matches the miss
Make the next review habit address the failure you found. Examples from Asael Shinder’s essay include checking an empty-list case early, running code rather than relying only on reading when that is appropriate, and inspecting callers. If fatigue contributed to skimming, a useful adjustment might be to decline late-day reviews when you cannot give them proper attention.
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Pick one change you can sustain in your team’s workflow. A habit that directly addresses the miss is more useful than a broad promise to review more carefully.
Tell the author you share responsibility
A review approval is part of the change’s history. Let the author know that you are looking at what you missed, and offer to examine the fix together. This keeps the conversation focused on improving the code and the review process, rather than leaving one person to carry the incident alone.
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For example: “I’m reviewing the change to understand what I missed. I approved it too, so I share responsibility. Want to look at the fix together?”
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Keep the standard realistic
Reviews can catch many problems, but they cannot catch everything. Treat a missed bug as a chance to make one particular kind of miss less likely next time—not as proof that you must achieve perfect review. As Shinder puts it, “The aim is not to never miss anything. It is to miss a different thing next time.”
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Shinder’s essay, “The Bug Went Through a Review You Approved”, is practical advice rather than a measured study of review outcomes. Its page search result displayed “Posted on Oct 2” without a year.
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