Hello, I would like to announce two readings for the May meeting in Chicago: First, the introduction of a new split_type value in MPI_Comm_split: Issue - https://github.com/mpi-forum/mpi-issues/issues/132 Pull Request - https://github.com/mpi-forum/mpi-standard/pull/111 Second, the interface to create hardware topology-aware cartesian topologies: Issue - https://github.com/mpi-forum/mpi-issues/issues/120 Pull Request - https://github.com/mpi-forum/mpi-standard/pull/98 Guillaume