During May 2025, Jean focused on improving build reliability for the PowerDNS/pdns repository, specifically targeting DNSDist on macOS. He addressed a persistent issue with install_name_tool path handling, implementing a targeted bug fix that reduced macOS-specific build failures and improved cross-platform consistency. By refining builder-support scripts and ensuring alignment across platforms, Jean helped streamline the build process and decrease CI-related disruptions. His work relied on shell scripting and build system expertise, emphasizing stability and maintainability over new feature development. The depth of his contribution lay in resolving nuanced platform-specific issues, ultimately supporting faster and more reliable release cycles.