Dimitrios Tassopoulos focused on maintaining and improving the sapcc/helm-charts repository, where he delivered a targeted bug fix to the OpenSearch alerting configuration for the siem-rules-updater. By correcting the alert URL, he ensured that error-log alerts now direct investigators to the appropriate Kibana location, streamlining incident response and reducing misdirection in alert flows. His work involved hands-on DevOps practices and precise YAML configuration, emphasizing reliability and operational stability. Although no new features were introduced during this period, Dimitrios’s contribution addressed a critical workflow issue, demonstrating depth in alerting systems maintenance and a strong focus on minimizing operational disruptions.