During November 2024, Thomas Libert focused on maintaining and upgrading the openeuropa/oe_whitelabel Drupal module, addressing compatibility with the better_exposed_filter v7 dependency. He delivered a targeted bug fix by explicitly declaring the return type of the exposedFormAlter method as void, using PHP to enhance type safety and reduce runtime errors. This adjustment ensured smoother future migrations for dependent modules and supported more reliable form behavior within the Drupal ecosystem. Thomas’s work emphasized stability and maintainability, aligning the codebase with evolving dependency requirements and reducing upgrade friction, while demonstrating a strong command of Drupal module development and PHP best practices.