Gtsiam contributed targeted maintenance and bug fixes to the pksunkara/jj and systemd/systemd repositories, focusing on code reliability and clarity. In pksunkara/jj, Gtsiam improved documentation accuracy, clarified CLI flag behavior, and corrected test naming, which enhanced maintainability and reduced onboarding friction for new contributors. For systemd/systemd, Gtsiam addressed DNS scope establishment by refining how link-local addresses are treated when unicast link-local DNS servers are present, improving DNS resolution in edge network scenarios. The work demonstrated depth in C and Rust, with a focus on bug fixing, network programming, and testing, resulting in more robust and maintainable codebases.