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Navigating React's Evolution
This chapter delves into the complexities of using the reducer hook in React, particularly for newcomers, while emphasizing a shift towards user-centered testing with Testing Library. It outlines the transition from legacy APIs and class-based components to hooks, highlighting the implications of React 19 on legacy applications and the necessity for teams to reassess their development practices. Strategies for upgrading to React 19 are discussed, focusing on careful code modifications and dependency management to future-proof applications.