Contributed a targeted build compatibility fix to the NixOS/nixpkgs repository, addressing a critical issue with the WB32-DFU Updater. The work involved upgrading the minimum CMake version from 3.0 to 3.10 and introducing a patch to resolve build failures under newer toolchains. This solution restored build reliability across supported configurations and minimized the risk of CI regressions. The developer collaborated closely with other contributors, demonstrating effective open-source teamwork. The project required expertise in build system configuration, patch management, and the Nix language, resulting in improved cross-toolchain compatibility and enhanced stability for the wb32-dfu-updater package within nixpkgs.