During May 2025, Bobb Qin focused on improving the stability of the FuelLabs/sway repository by addressing a concurrency issue in the Sway LSP session. He identified and removed a redundant read-lock in the session.rs file, which had been causing potential deadlocks and impacting performance. By refining the locking mechanism, Bobb enhanced both reliability and responsiveness for developers using the language server. His work demonstrated a strong command of Rust, concurrency control, and performance optimization. Although no new features were introduced during this period, the targeted bug fix contributed to better code health and a smoother developer experience within the project.