During June 2025, Frank Glines focused on improving the interpolation subsystem within the parthenon-hpc-lab/parthenon repository, addressing a critical type-checking issue to enhance code correctness and maintainability. He modernized the interpolation utility by replacing legacy typeid checks with std::is_same_v and introduced explicit validation for Coordinates_t against UniformCartesian, leveraging advanced C++ template metaprogramming and type safety techniques. These changes improved the robustness and reliability of the simulation codebase, aligning it with contemporary C++ standards. Frank also updated project documentation in Markdown to ensure traceability, demonstrating a methodical approach to code quality and long-term maintainability in high-performance computing contexts.