Testing & QualityIntermediate
Regression
Pronunciationrih-GRESH-un
Definition
A bug where something that used to work stops working after a change.
Where you hear it
Release testing and bug reports.
Examples
This is a regression: the export worked last week.
We added a test to prevent this regression from coming back.
Common mistake
Fixing a regression without adding a test. It may come back again.
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