Contributed to the GopeedLab/gopeed repository by implementing Catalan language localization, enhancing accessibility and usability for Catalan-speaking users. Established foundational localization scaffolding within the Dart and Flutter codebase, enabling consistent user experience across languages and supporting future locale expansion. Focused on minimizing risk while aligning with broader product goals to increase market reach and user satisfaction. The work involved integrating localization best practices and ensuring seamless UI adaptation for the new language. No major bugs were reported during this period, reflecting careful implementation and testing. This contribution laid the groundwork for ongoing internationalization efforts within the application’s architecture.