Ben Noachermann developed cross-repository tagging enhancements for Joomla-based projects, focusing on batch operations and deprecation planning. In the Fedik/joomla-cms repository, he implemented batch tagging for multiple items, enabling users to add or remove tags efficiently through an updated UI while maintaining backward compatibility. For joomdonation/joomla-cms, he refactored tag management by introducing deprecation notices for legacy batch removal methods, signaling future simplification. He also updated documentation in joomla/Manual to reflect these changes and guide migration. His work leveraged PHP, JavaScript, and API design skills, delivering well-integrated features that streamline content management and clarify future development paths.