Over a two-month period, Andreas built targeted improvements in both the torvalds/linux and systemd/systemd repositories, focusing on hardware configuration and system policy documentation. In the Linux kernel, he added device tree chassis type annotations for the Qualcomm sdm845-shift-axolotl platform, using C and DTS to ensure accurate hardware form-factor declaration and reliable device support. For systemd, Andreas updated documentation to clarify new udev rule priority requirements, specifying filename constraints for the uaccess tag to prevent misconfiguration. His work demonstrated depth in Linux kernel development, device tree configuration, and system administration, addressing nuanced integration and maintainability challenges in embedded and system environments.