During December 2024, Wang Bingjie focused on maintaining the facebook/fbthrift repository, addressing build stability and compatibility with evolving Rust toolchains. He upgraded the num-derive dependency from version 0.3.3 to 0.4.2, directly mitigating build warnings and errors triggered by recent Rust updates. His work centered on dependency management and Rust, ensuring that continuous integration pipelines remained reliable and that downstream projects would not encounter compatibility issues. By documenting the changes and aligning dependencies with the latest Rust ecosystem, Wang Bingjie improved build reproducibility and long-term maintainability, demonstrating a methodical approach to technical debt and infrastructure reliability within the project.