Paul Pettit focused on stabilizing the admin user experience in the opencast-admin-interface repository by addressing a persistent issue with modal behavior. He resolved inconsistencies in the Cancel button across User, Group, and Access Management modals by wiring a close function through the WizardNavigationButtons component, ensuring reliable modal closure and a smoother workflow for administrators. This work, implemented using React with JavaScript and TypeScript, improved the maintainability of the front-end codebase and reduced user confusion during configuration tasks. Paul’s contribution demonstrated a solid understanding of component composition and modal lifecycle management, delivering a targeted fix that enhanced overall UX consistency.