Samuele improved the Tokio runtime’s developer experience by enhancing documentation for the Handle::block_on API in the tokio-rs/tokio repository. Focusing on asynchronous programming and Rust, Samuele clarified the specific conditions under which Handle::block_on will panic, such as invoking it within an async context or on a shut-down runtime. The update included a practical example demonstrating how to safely re-enter an async context using task::block_in_place on a multi-thread scheduler. This work addressed common sources of confusion, reduced onboarding friction, and promoted safer API usage. The contribution was documentation-focused, with no major bug fixes or new features implemented.