During May 2026, this developer upgraded the database engine for the digitalservicebund/ris-norms repository, moving from PostgreSQL 14 to PostgreSQL 17 to enhance compatibility with new features and support future development needs. The work involved updating configuration files written in YAML and integrating changes within Docker-based environments, ensuring a smooth transition without introducing major bugs. By focusing on database management and Java testing, the developer established a more secure and scalable foundation for the project. Their efforts centered on backend infrastructure improvements, laying the groundwork for upcoming capabilities while maintaining stability and reliability throughout the upgrade process.