During August 2025, Vu Hoang focused on enhancing the LearnPress/learnpress repository by addressing a bug related to external link handling in the Classic Layout. He refactored the button rendering logic to ensure external course links open in a new tab, improving both user experience and security. His approach included adding a target attribute and implementing a nonce for secure link handling, while also properly escaping URLs and button text to prevent vulnerabilities. Working primarily with PHP and leveraging his front-end and WordPress development skills, Vu localized the changes to minimize risk, demonstrating careful attention to code quality and maintainability.