Worked on enhancing the robustness and reliability of the UBCL module within the open-mpi/ompi repository, focusing on runtime stability and maintainability. Addressed a critical bug by improving error handling during synchronization of overlapping exposure epochs, ensuring clearer signaling and reducing the risk of runtime failures. Adjusted window information violation handling to be non-fatal, providing warnings instead of terminating processes, which aids in smoother debugging and maintenance. Resolved build warnings to support strict -Werror policies in continuous integration. Utilized C programming, MPI, and parallel computing expertise to deliver targeted improvements that increased the predictability and maintainability of the UBCL integration.