Worked on the spring-projects/spring-boot repository to deliver a focused improvement to Kafka auto-configuration. Addressed configuration complexity by removing the SslBundles parameter from KafkaProperties building methods, which streamlined the configuration process and reduced the potential for misconfiguration. This change, implemented in Java using Spring Boot and Kafka, aimed to lower maintenance overhead and improve reliability for developers integrating Kafka. By simplifying dependencies and configuration paths, the update supports ongoing efforts to make Kafka integration more predictable and maintainable. The work was delivered as a single, targeted commit, reflecting a precise and thoughtful approach to configuration management and codebase health.