Regression Testing

Regression testing is a software evaluation method that confirms that recent code modifications, including bug fixes or new features, have not disrupted or damaged existing functionality. This process is crucial in the development cycle, conducted post-update to ensure the software remains stable and that no new problems have been inadvertently introduced.

This type of testing is essential for preserving software stability following any code changes. As applications become increasingly intricate, even small updates can lead to unexpected issues in seemingly unrelated areas. This process checks that new modifications haven't compromised existing features, thus preventing the reappearance of previous bugs.

Implementing regression testing is vital for providing a consistent user experience and upholding overall product quality. It facilitates rapid development cycles by instilling confidence in teams to frequently release updates. By identifying defects early, it prevents them from reaching production and affecting users.

To maximize the effectiveness and efficiency of regression testing, teams should adopt several best practices. These strategies help maintain the relevance of the test suite, control costs, and deliver timely feedback without hindering development.

While both regression testing and retesting are important for quality assurance, they fulfill different roles within the development lifecycle.

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