During June 2026, work on the tnb-software/TNB repository focused on backend enhancements using Java, Kafka, and SQL. The developer simplified Kafka deployments by removing the Zookeeper dependency and updating the Kafka image, which reduced operational complexity and improved performance. Additionally, they implemented runtime service version discovery for containerized and SQL-based services, introducing a caching layer and log-based version parsing to increase the accuracy and reliability of version reporting. These features leveraged Testcontainers and containerization best practices, resulting in more maintainable deployments and improved observability. The work demonstrated a methodical approach to backend development and infrastructure optimization.