During July 2025, Liubr1 focused on backend reliability for the rclone/rclone repository, addressing a critical memory management issue in the S3 cloud storage backend. By analyzing how API response strings were handled, Liubr1 identified that unintentional retention of large payloads was causing memory leaks. To resolve this, they updated the Go codebase to clone strings extracted from API responses, ensuring proper garbage collection and reducing memory footprint. Additional changes included updating functions to consistently clone metadata and object key fields, further improving memory management. This work demonstrated a strong understanding of backend development, cloud storage integration, and efficient resource handling.