During November 2024, Manuel Herrera Rendón focused on enhancing reliability for AWS-backed object storage in the apache/arrow-rs and arrow-rs-object-store repositories. He addressed two critical bugs by refining checksum computation logic in Rust, ensuring that checksums are only calculated when necessary by considering sign_payload, skip_signature, and the presence of existing checksums. This approach reduced the risk of incorrect checksum usage and improved data integrity during AWS interactions. By aligning gating logic across repositories and leveraging his expertise in the AWS SDK and checksum algorithms, Manuel delivered targeted improvements that stabilized object storage operations and strengthened the robustness of cloud data workflows.