Worked on the yuwata/systemd repository to enhance the robustness of environment handling within X11 session scripts, focusing on reducing unnecessary warnings related to the XAUTHORITY variable. Addressed a specific bug by implementing conditional import logic in shell scripts, ensuring that XAUTHORITY is only set when defined, which minimized log noise and improved reliability during user session initialization. This change demonstrated careful attention to environment dependencies and maintainers’ feedback on code quality. Utilized shell scripting and system administration skills to deliver a targeted fix, contributing to a cleaner and more predictable initialization process in xinitrc.d environments without introducing new features.