During February 2026, Piotr Soro worked on enhancing UI testability for the potiuk/airflow and apache/airflow repositories by systematically adding data-testid attributes to over 15 React components. Using JavaScript and TypeScript, he focused on improving the reliability and maintainability of automated end-to-end tests by enabling more robust and precise selectors, reducing reliance on fragile class names. This approach addressed issue #43381 and aligned with established quality gates, supporting faster feedback cycles and easier test suite maintenance. Piotr’s work deepened the test instrumentation of core frontend components, reflecting a thoughtful application of front end development best practices in a complex codebase.