Aleksandra Okninska focused on improving the robustness of the user registration flow for the Wspolny-Dojazd/frontend-mobile repository during May 2025. She addressed a critical bug by refining how registration errors are handled, specifically extracting the error code directly from the caught exception to enhance error reporting clarity and streamline troubleshooting. Working primarily with React and TypeScript, Aleksandra’s approach improved the reliability of the onboarding process and reduced potential support issues for new users. Although no new features were introduced during this period, her targeted fix demonstrated a thoughtful application of frontend development skills to address a key quality concern.