During June 2025, Xeroman K focused on improving reliability and metric accuracy in the aws/aws-advanced-jdbc-wrapper repository. He addressed a type mismatch in the RdsHostListProvider by converting CPU utilization and node lag metrics from float to double, enhancing the precision of host information retrieval from MySQL. This change required careful updates to both provider logic and associated unit and integration tests, ensuring regression safety and long-term stability. Xeroman applied his expertise in Java, JDBC, and type handling to resolve the issue, resulting in more accurate host discovery and reducing false production alerts. The work demonstrated thoroughness and attention to detail.