Why regression testing is important before deployment

2. As per research, the market for regression testing is expected to rise at an annual growth rate of 8% till 2027. The numbers clearly project the prominence of regression testing in the software testing and development domain. When multiple commits are frequently made by developers, the unexpected outcome in the overall functionality that has been caused by each summit is clearly identified by the regression testing method. In this article, you will get to know the strategic importance of conducting regression testing before deployment. What is regression testing? It is a testing method that verifies whether the new changes that have been introduced in the code do not alter or modify the existing functionalities of the application. It ensures that the existing functionalities are working fine, despite introducing changes in the code or when a new feature has been introduced. Unit regression testing, partial regression testing, complete regression testing etc., are some of the important types of regression testing that can be used based on project requirements.