Worked on enhancing the user experience and security of popup interactions within the niccokunzmann/open-web-calendar project. Focused on delivering a feature that allows popups to escape the iframe sandbox, improving usability for calendar users while maintaining robust security standards. Utilized JavaScript and front end development skills to adjust iframe sandbox parameters, specifically by adding allow-popups-to-escape-sandbox to target=_blank links. Prioritized maintainable code and clear traceability through explicit commit messages and repository linkage. The work established a foundation for future user experience improvements, balancing the needs of usability and security in a modern web application context without addressing bug fixes.