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 table rendering logic in Import Preview and Project views, adopting semantic HTML elements such as thead, th, and tbody to unify header styling and improve markup clarity. He updated Cypress tests to align with these structural changes, increasing test reliability and UI assertion stability. Faustino’s work demonstrated proficiency in JavaScript, CSS, and Cypress, addressing both user experience and maintainability within a short timeframe.