Worked on the zephyrproject-rtos/poky repository to enhance system stability and resilience by upgrading the systemd package from version 255.4 to 255.13. Focused on patch management and build system reliability, the work involved refreshing musl patches and addressing fuzzing-related regressions that previously caused flaky tests across multiple targets. Using C and Shell, the developer ensured that the integration aligned with upstream changes and improved continuous integration outcomes. The approach emphasized traceability and maintenance, resulting in a more robust embedded system environment. This effort prioritized stability over new feature development, concentrating on bug fixes and long-term maintainability of the codebase.