In July 2025, Pieter Ghysels enhanced the stedc sorting path in the ROCm/rocSOLVER repository by refactoring the underlying algorithm to improve performance and memory efficiency. He replaced the existing bubble sort with a more efficient approach, optimizing both sorting logic and memory access patterns in C++ for GPU computing environments. During development, an exploratory shell sort was introduced and later removed to maintain deterministic behavior and prevent regressions. This targeted optimization reduced runtime and resource usage for large datasets, demonstrating depth in algorithm refactoring and performance tuning. The work focused on stable, maintainable improvements without introducing new bugs.