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A post-mortem analysis prevents bug regressions by systematically identifying the root causes and failure modes of your bug fixes. It applies post-fix analysis across code, tests, and specifications to capture preventive measures and ensure thorough documentation.

The best way to document root causes is to classify them into categories and capture findings into specs, checklists, and design guides. This knowledge capture guards future changes by proposing mechanisms to avoid recurrence across code, tests, and processes.

Root-cause categorization improves quality assurance by classifying bug origins to guide targeted preventive actions. This structured process improvement helps teams propose effective mechanisms to avoid recurrence across code, tests, and development workflows.

You need to run a post-fix analysis immediately after shipping a bug fix to break the fix-forget-repeat cycle. This timing ensures you accurately identify failure modes and document preventive measures while the technical context is fresh.

Yes, you can use this root-cause analysis approach without specific testing frameworks because it operates with no external dependencies. It functions as an advanced standalone process to analyze fixes, document knowledge into specs, and capture checklists.