A new release of MPICH, 4.1.3, is now available for download. This is the third and final bug-fix release in the 4.1.x series. It contains a number of fixes for user-reported crashes and build issues. You can find the release on our downloads page (https://urldefense.us/v3/__https://www.mpich.org/downloads/__;!!G_uCfscf7eWS... ) Regards, The MPICH team =============================================================================== Changes in 4.1.3 =============================================================================== # Ignore errors when shutting down ch4/ofi netmod to avoid crashing in MPI_FINALIZE. Debug builds will now warn about unclean shutdown. # Add missing PMPI_Status_{f082f,f2f08} in mpi_f08 module # Fix names for large count subroutines in mpi_f08 module # Fix return argument name to be ierror in Fortran mpi module # Fix bug in persistent synchronous send that could result in completion before matching # Fix integer overflow bugs in ROMIO GPFS driver # Fix bug in ch4/ucx netmod when partial data is sent to a noncontig recv # Fix bug in MPI_REDUCE with MPI_IN_PLACE in ch4/shm collectives # Fix status object returned by MPI_IRECV with MPI_PROC_NULL # Fix memory leak in release_gather collectives # Fix integer overflow bugs in MPI_(I)ALLGATHERV # Return MPI_ERR_TYPE if MPI_TYPE_GET_ENVELOPE is used with a large count datatype # Return an error if no valid libfabric provider is found by ch4/ofi netmod # Return an error if no executable is given to mpiexec (Hydra) # Return an error when cudaMalloc fails in the GPU tests # Return an error if MPI_ACCUMULATE datatypes are mismatched # Return an error when shared memory segment creation fails # Return an error if there is failure to create a datatype in mpi_f08 module for noncontiguous user data A full list of changes since 4.1.2 can be found here: https://urldefense.us/v3/__https://github.com/pmodels/mpich/compare/v4.1.2.....