@greghogg5: Regression testing is the process of verifying that recent code changes have not broken existing features. It ensures that fixing a bug or adding a new capability does not accidentally introduce new issues elsewhere. This type of testing is critical because software components in large systems are heavily interconnected. A regression test suite is typically a collection of previously written unit integration and system tests. The suite is executed every time a new version of the software is built or deployed. Automation is essential for regression testing because running these tests manually for every update is too slow. Continuous Integration pipelines automatically trigger these tests to provide fast feedback to developers. If a regression test fails it means a change has caused the system to take a step backward. Catching these regressions early prevents broken code from ever reaching the end user in production. It provides teams with the confidence to update and optimize code without fear of breaking the application.

Greg Hogg

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Tuesday 19 May 2026 15:31:36 GMT