A new stable release of MPICH, 4.3.1, is now available for download. Thanks to everyone who contributed to the release! See the CHANGES below for a detailed list of fixes. 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 4.3.1 ==================================================================== # Fix initialization in GPU-aware builds when no devices are present # Fix internal pmix.h header conflict when building with an external PMIx library. # Fix build issue with Slurm by removing dependency on libslurm and always using internal logic for parsing the Slurm hostfile. # Fix potential stale GPU IPC handle usage resulting in data corruption or crashes # Update XPMEM thresholds to avoid excessive buffer mapping overhead # Fix potential hang in ROMIO when setting info hints on certain files # Improved detection of incompatible PMI[x] client/server configuration # Fix use of PMIX_PREFIX attribute for certain versions of OpenPMIx # Fix Intel GPU output with MPIR_CVAR_DEBUG_SUMMARY # Fix F08 binding compilation with nvfortran # Fix line continuations with Hydra's --configfile option # Fix valgrind uninitialized read warnings in ch3 # Fix missing mpixxx_opts.conf file with help text for mpicc and friends # Fixes for several compiler warnings