During April 2025, Taehee Jung focused on stabilizing GPU collective operations in the ROCm/xla repository by addressing test failures caused by a recent topology initialization change. Working primarily in C++ and leveraging expertise in build systems and distributed systems, Taehee implemented a rollback of the GPU collectives topology and NcclIdStore setup. This approach restored a simpler, more reliable configuration, directly improving CI and test stability for GPU code paths. By prioritizing risk reduction and documenting the rationale for these changes, Taehee enabled downstream teams to depend on consistent GPU communication behavior, laying groundwork for safer future enhancements and experimentation.