During September 2025, Faustino Leon contributed to tldr-pages/tldr and OpenRefine/OpenRefine, focusing on localization and frontend consistency. He delivered Spanish translations for CLI documentation, enhancing accessibility for Spanish-speaking users. In OpenRefine, Faustino refactored the Import Preview and Project views by unifying table header rendering and adopting semantic HTML elements such as thead, th, and tbody, which improved both code maintainability and UI consistency. He updated Cypress tests to align with these structural changes, increasing test reliability. Faustino’s work demonstrated proficiency in JavaScript, CSS, and localization, addressing accessibility and maintainability within a short, focused development period.