Maria Hambardzumyan focused on stabilizing front-end grid interactions in the reportportal/service-ui repository, addressing a persistent crash related to grid sorting. She improved the React-based sorting logic by introducing robust guards against null or empty sorting data, ensuring that analytics tracking only fired when valid information was present. This JavaScript-driven solution not only prevented unnecessary analytics events but also enhanced the reliability of user interactions with the grid header. Her work reduced edge-case errors and contributed to a decrease in support tickets related to grid issues, reflecting a thoughtful approach to both user experience and data quality within the application.