Hi all, As reminder, I read issue 51 (Deprecate MPI_SIZEOF in MPI-4.0) at the Austin meeting and it is scheduled for a vote at the Barcelona meeting. https://github.com/mpi-forum/mpi-issues/issues/51 <https://github.com/mpi-forum/mpi-issues/issues/51> https://github.com/mpi-forum/mpi-standard/pull/17 <https://github.com/mpi-forum/mpi-standard/pull/17> Thanks, Wesley