During November 2024, Kyoungsu Yoo focused on enhancing the microsoft/garnet repository by addressing a critical bug in the server’s HELLO response handling. He improved the protocol’s data-type serialization, ensuring integers are transmitted as integers and other types as strings in bulk format, which resolved inconsistencies in client interoperability and data integrity. Yoo also updated related test expectations to reflect the new serialization logic, particularly regarding newline counts. Working primarily with C# and leveraging his skills in API and backend development as well as testing, he contributed a targeted fix that deepened the reliability and correctness of Garnet’s server protocol implementation.