During February 2026, Mdumr4 focused on enhancing the robustness of the polys module in the sympy/sympy repository. They addressed a bug in the degree() function, resolving ambiguous generator selection and improving error handling for polynomial algebra computations. By refining the function’s logic, Mdumr4 enabled support for a wider range of input types, including numeric generators, while ensuring that error messages were clearer and more informative. This work, implemented in Python and grounded in mathematical principles, improved the reliability of polynomial degree calculations and aligned the function’s documented behavior with its implementation, benefiting downstream symbolic computation and mathematical modeling workflows.