Worked on the amzn/rdma-core repository, focusing on enhancing the pyverbs component by addressing a specific bug in RecvWR initialization. The update removed a constraint that previously required at least one scatter-gather entry (SGE), enabling support for zero-SGE scenarios and improving compatibility for RDMA-enabled applications. This change, implemented using Cython and low-level system programming techniques, reduced runtime errors and allowed greater flexibility for user-space components that rely on zero-SGE patterns. The targeted fix was designed with a minimal surface area to lower maintenance overhead and risk, reflecting a careful approach to reliability and integration within RDMA-based workloads.