Worked on the facebook/react-native repository to address a regression affecting keyboard navigation within entity lists. Focused on restoring expected arrow-key navigation and focus management by reverting a JavaScript generalization that had disrupted these behaviors. This targeted change improved accessibility and usability across platforms, ensuring that users could efficiently navigate entity lists using keyboard controls. The solution involved careful analysis of the original modification, precise rollback of the problematic logic, and thorough documentation linked to the relevant issue. Leveraged skills in JavaScript and React Native to deliver a stable fix, completing peer review without introducing new defects to navigation flows.