A software regression is a software bug which makes a feature to stop functioning as intended after a certain event, for example a system upgrade, system patching.

One approach to avoiding this kind of problem is regression testing.

References

  • https://en.wikipedia.org/wiki/Software_regression
  • https://en.wikipedia.org/wiki/Regression_testing
  • http://stackoverflow.com/questions/3464629/what-does-regression-test-mean