Alex contributed to the openwrt/packages repository by updating the mdns-repeater package to align with the latest upstream release. Focusing on build system management, Alex refreshed the source URL, source date, version, and mirror hash within the Makefile, ensuring the package metadata remained accurate and reproducible. This update improved security and maintained feature parity with upstream, reducing divergence from the broader OpenWrt ecosystem. By explicitly referencing the upstream commit and adjusting the release number, Alex enhanced traceability and simplified future maintenance. The work demonstrated a methodical approach to package management, emphasizing reproducibility and maintainability over a focused one-month period.