Regression testing is a type of software testing used to ensure that any update or modification to a software does not affect the product's general functionality. These code changes may include new features, bug corrections, or feature upgrades, for example. Regression testing is also a collection of tests as opposed to a single test that is executed each time new code is added.
Regression testing is an essential and basic part of any software development process since it is performed after a newly introduced feature has been demonstrated to be stable. Regression testing examines if a feature still performs as it did before receiving new software upgrades. Previous and current releases must be compared in an agile environment because Regression testing must be incorporated into each sprint. Regression ensures the continuation of corporate activities.
To provide thorough & thorough coverage of functional requirements, the approach uses the best test practitioners & specialists. The testing specialists have plenty of knowledge testing in a range of application lifecycle models, including waterfall, agile, DevOps , etc.