In December 2024, Loveday Howard focused on improving the reliability of core array operations in the numpy/numpy repository. She addressed a bug in the einsum path sorting logic, ensuring output indices are sorted by ASCII value, which reduces nondeterminism in numerical computations. Her approach included adding comprehensive cross-dimensional tests and refactoring existing tests to comply with an 81-column style guideline, enhancing readability and maintainability. Using Python and leveraging her knowledge of NumPy internals and unit testing, Loveday’s work increased test coverage and reduced the risk of regressions, demonstrating careful attention to both correctness and code quality in scientific computing.