During December 2024, Ferdodo focused on improving the reliability of the goldbergyoni/vitest repository by addressing a critical bug in the Runner’s synchronous task timeout handling. He implemented a solution that wraps synchronous operations in a short-delay Promise, enabling Promise.race-based timeouts to prevent long-running tasks from hanging. Ferdodo reinforced this fix with targeted tests to verify correct timeout behavior, thereby reducing the risk of regressions and improving CI pipeline stability. His work demonstrated strong debugging and test-driven development skills, leveraging JavaScript, TypeScript, and Node.js to enhance concurrency handling and ensure robust, predictable task execution within the project.