During January 2025, Dariusz Szpakowski focused on improving the stability of the TCP provider’s RDM operations in the ofiwg/libfabric repository. He addressed a concurrency issue by fixing a data race, ensuring that xnet_rdm_ops_open was correctly assigned within the xnet_rdm_fid_ops structure. This low-level change enhanced the reliability of RDM operation paths under parallel access, reducing the risk of instability caused by race conditions. Working primarily in C, Dariusz applied his expertise in system programming and concurrency to deliver a well-scoped, maintainable fix. The targeted approach improved correctness and future maintainability without introducing new features or unnecessary complexity.