Worked on modernizing the API for the anza-xyz/agave repository, focusing on improving threading utilities within a Rust library. The main contribution involved removing the deprecated get_max_thread_count function from the rayon-threadlimit module and guiding users toward adopting num_cpus::get() for thread count retrieval. This change streamlined the codebase by eliminating unused APIs without altering existing behavior or affecting related functions. Emphasizing code hygiene, the work included cleaning up dead code to facilitate easier future maintenance and upgrades. The approach demonstrated careful attention to backward compatibility and maintainability, leveraging skills in Rust and library development throughout the process.