A new stable release of MPICH, 4.2.2, is now available for download. This is the second bug-fix release in the 4.2.x series. This release addresses a number of user-reported crashes and build issues. It can be found on our downloads page (https://urldefense.us/v3/__https://www.mpich.org/downloads/__;!!G_uCfscf7eW… ). For the full set of commits see https://urldefense.us/v3/__https://github.com/pmodels/mpich/compare/v4.2.1*… .
Regards,
The MPICH team
===============================================================================
Changes in 4.2.2
===============================================================================
# Update embedded libfabric to v1.20.1 and fix compilation with GCC 14.
# Fix dataloop support for MPIX_Type_iov routines
# Fix crash in Hydra when system has many local ip addresses
# Fix RMA fallback check in ch4:ofi netmod
# Fix MPI_UNDEFINED handling in mpi_f08 module
# Fix Slurm environment variable inheritance in Hydra
# Fix multiple issues with large count support in ROMIO
# Fix potential hang in init using PMIx client and nonstandard keys
# Fix crash if PMIx client cannot get appnum from server during init
# Fix other build errors and warnings
