In March 2026, Jamie Hargreaves focused on improving layout reliability in the facebook/react-native repository by addressing a nuanced bug affecting auto-sized flex containers. Using C++ and React Native, Jamie ensured that parent containers correctly respected the min-width of child elements when the canSkipFlex optimization was enabled, preventing layout undersizing in flexible UIs. To validate the fix, Jamie created an HTML-based test page and expanded test coverage to catch similar edge cases in the future. This work demonstrated careful attention to rendering accuracy and regression prevention, reflecting a thoughtful approach to front end development and cross-technology collaboration within the project.