During December 2025, Yueyang Liu focused on targeted improvements across two repositories, addressing both user interface accuracy and code maintainability. On the DefiLlama/defillama-app project, Yueyang corrected the 'Raises' value in the protocol flag dropdown, ensuring the UI accurately reflected protocol options for end users. In the XRPLF/rippled repository, Yueyang enhanced code readability by systematically correcting typographical errors in comments throughout various C++ test and source files. These contributions, leveraging skills in C++, React, and code documentation, delivered well-scoped fixes that improved maintainability and reduced future risk, demonstrating careful attention to detail and a methodical engineering approach.