During November 2024, Jaschen worked on the tianocore/edk2-platforms repository, focusing on improving the reliability of serial console initialization in embedded firmware. Jaschen addressed a CodeQL warning by refining terminal type validation logic in SerialPortTerminalLib, removing an unnecessary unsigned-to-zero comparison and ensuring terminal types are checked accurately against supported values. This C-based bug fix enhanced the robustness of terminal initialization, reducing the risk of misinterpretation during firmware builds. Jaschen’s work demonstrated strong skills in code analysis and firmware development, resulting in cleaner, more maintainable code and improved stability for downstream integrations relying on precise terminal handling.