During January 2025, Piotr Zmarzly enhanced the facebook/fbthrift repository by expanding Rust Serde serialization to support Enum and Union types, addressing interoperability gaps between Rust clients and Thrift data structures. He updated the rust.Serde module to centralize serialization logic, reducing code duplication and improving maintainability. Working primarily in Rust and PHP, Piotr focused on backend development and serialization, broadening the scope of data handling within the system. His work enabled more robust communication between Rust-based services and Thrift, reflecting a deep understanding of serialization challenges and a methodical approach to extending existing infrastructure within a short project period.