Javi Mollà Mico enhanced the Catalan localization for the adityatelange/hugo-papermod repository by expanding and refining the Catalan i18n file to improve translation coverage and user experience for Catalan-speaking users. He focused on aligning new translations with existing UI terminology, ensuring consistency and clarity throughout the interface. Using YAML for structured translation data and leveraging internationalization and localization best practices, Javi managed translation workflows and performed quality assurance to maintain data integrity. While no major bugs were addressed during this period, his work contributed to broader accessibility and adoption potential for Catalan users, demonstrating depth in i18n management and localization.