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Bug Life Cycle (Defect Life Cycle)



The bug life cycle is the journey a software bug goes through from the moment it's found until it's fixed and confirmed as gone. Here's a simple explanation in layman's terms.

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In technical terms, the Bug Life Cycle (also known as Defect Life Cycle) refers to the sequence of stages a defect or bug goes through during its lifetime in a software development process. It helps track the current status of a bug and ensures proper handling from detection to closure.

🐞 Bug Life Cycle:

  1. New – Someone finds a problem in the software and reports it. The bug is now "new."

  2. Assigned – The bug is given to a developer (the person who fixes it).

  3. In Progress / Open – The developer starts working on fixing the bug.

  4. Fixed – The developer believes they have solved the problem and marks it as "fixed."

  5. Tested / Retest – The tester checks the software again to see if the bug is really gone.

  6. Verified – If the bug is truly fixed, it's marked as "verified."

  7. Closed – The bug is officially considered done and no longer an issue.

What if it’s not fixed?

  • If the bug still exists after testing, it's reopened and goes through the cycle again.

These states can slightly vary depending on the bug tracking system (like JIRA, Bugzilla, etc.) or the organization’s workflow. Would you like a version of this formatted for documentation or training use?


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