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Remember when JavaScript was just for making snowflakes fall on your GeoCities page? Those were simpler times. Now we’re building entire applications in the browser, and surprise! JavaScript wasn’t exactly designed with memory management in mind. While other languages have garbage collectors that actually, you know, collect garbage, JavaScript’s garbage collector is more like that roommate who promises to clean but just shoves everything under the bed. The real kicker?

Redux remains a cornerstone of React state management, but developers continue to encounter persistent bugs and new challenges. State mutation errors remain the most common Redux bug, affecting over 70% of Redux applications, while new issues emerge with Redux Toolkit 2.0, TypeScript integration, and React 18/19 compatibility. This comprehensive guide explores the most prevalent Redux debugging challenges and provides practical solutions for modern development.