Sun worked on stability and maintainability improvements across the zenoh-python, zenoh-c, and zenoh repositories. In zenoh-python, Sun enhanced configuration parsing in example scripts to correctly handle values containing colons, ensuring accurate data capture and reducing potential runtime errors. He also improved code hygiene by removing unused imports and cleaning up style issues. In zenoh-c, Sun focused on code formatting by eliminating trailing whitespace in CMakeLists.txt, supporting long-term maintainability. For the zenoh repository, he enabled adaptive dependency management in Rust by unpinning the Home crate version, which streamlined toolchain upgrades and reduced maintenance overhead for downstream projects.