Alexis Cellier worked on the zephyrproject-rtos/poky repository, focusing on improving build system configuration and package management within the Yocto/OpenEmbedded ecosystem. During this period, Alexis addressed a dependency management issue by ensuring that libpcre2 is properly recommended when the pcre2 feature is enabled in Systemd, resolving a gap where the library was omitted from runtime dependencies due to dynamic loading via dlopen. This targeted fix enhanced build reliability and reduced the risk of runtime failures caused by missing libraries. Alexis utilized BitBake and demonstrated a strong understanding of dependency graphs, contributing precise, commit-driven improvements to the project’s packaging process.