During February 2025, Boyan Slazarov refactored the MMA solver API in the mfem/mfem repository, introducing a new MMAOptimizer abstract interface to support pluggable optimization problems. He enhanced the solver to handle single-precision floating-point numbers and standardized MPI datatype management using MPITypeMap, improving both portability and memory efficiency. His work focused on C++ and MPI, applying principles of interface abstraction and numerical optimization to create a more maintainable and extensible codebase. Although the period did not involve bug fixes, the depth of the changes enabled faster iteration on optimization strategies and laid groundwork for future feature development in the project.