During May 2025, Bobb Qin focused on stabilizing the Sway LSP session in the FuelLabs/sway repository by addressing a concurrency issue that risked deadlocks. He identified and removed a redundant read-lock in the session.rs file, which previously caused double locking and hindered performance. Working primarily in Rust, Bobb applied his skills in bug fixing and performance optimization to ensure smoother session management for developers using the Sway LSP. His targeted refactor improved reliability and code health, with a clear and traceable commit history. The work demonstrated depth in diagnosing concurrency problems and maintaining robust language server integrations.