Worked on the facebook/react-native repository to address a cross-density text measurement issue affecting UI consistency across devices. Focused on improving text rendering accuracy by incorporating the point scale factor into the text measurement cache keys, which prevented stale measurements when display density changed. This C++ and React Native solution enhanced UI stability by ensuring text sizing remained reliable regardless of device pixel density, reducing layout glitches. The work involved debugging complex caching logic and collaborating with open-source maintainers through code review and pull requests. Demonstrated skills in software development, cross-platform debugging, and effective communication within the open-source React Native community.