Worked on the facebook/react-native repository to improve iOS text rendering under the Fabric architecture, specifically addressing issues with inline attachments in truncated text components. Focused on refining the clipping logic so that attachments outside the visible or ellipsis range are now properly clipped, which enhances visual consistency in truncated layouts. Utilized React Native and Objective-C++ to extend the existing logic, adding comprehensive manual tests to verify multiple edge-case scenarios. Updated documentation and changelogs to reflect these changes, ensuring clarity for future development. This work reduced rendering bugs and improved UI correctness for iOS applications using React Native’s text components.