Why do test coverage metrics keep misleading developers?

High test coverage is often seen as a sign of software quality, yet it raises an important question: Why do well-tested applications still have bugs? Many assume that high scores on test coverage metrics translates to high-quality software. However, the truth is much different. While test coverage can tell you how much of your code is executed during testing, it does not indicate if those tests are effective or comprehensive enough to detect all bugs and edge cases in the software. This article