During February 2026, this developer enhanced the MyCoRe-Org/mir repository by implementing a PDF Validation Feedback box tailored for users with the Creator role. The feature was designed to display immediate validation status when PDFs are viewed, streamlining the user experience and reducing potential support requests related to PDF issues. The solution leveraged user interface design principles and was realized through XML and XSLT, enabling seamless integration with the existing system. By focusing on XML transformation and role-based feedback, the developer addressed a specific workflow need, delivering a targeted improvement that supports both usability and operational efficiency within the repository.