Khoi Tran developed a shared garbage collection lock mechanism for the facebook/dotslash repository, focusing on enhancing concurrency safety during artifact removal in the execution environment. Using Rust and leveraging advanced concurrent programming techniques, Khoi designed synchronization primitives to coordinate safe artifact deletion, reducing race conditions and supporting scalable parallel workflows. The solution addressed the challenge of preventing conflicts during concurrent operations, resulting in steadier runtimes and smoother deployments. Throughout the month, Khoi concentrated on feature delivery and reliability, demonstrating depth in file handling and garbage collection coordination while prioritizing stability over bug fixes to enable robust artifact lifecycle management in Dotslash.