Worked on enhancing cross-platform compatibility for the iroh-gossip repository by refactoring the SendLoop component to support WebAssembly environments. The approach involved replacing the existing tokio::task::JoinSet with n0_future::task::JoinSet, aligning asynchronous concurrency with the constraints of WASM runtimes. This change addressed platform-specific issues and improved the reliability of browser-based and other WASM clients. The work was implemented in Rust, leveraging asynchronous programming techniques to ensure stable operation across diverse targets. The update was delivered as a focused feature with minimal impact on the codebase, demonstrating careful attention to maintainability and cross-platform stability without introducing new bugs.