[mpich-announce] MPICH 4.3.1rc1 released

[Raffenetti, Ken]

A new stable release candidate of MPICH, 4.3.1rc1, is now available for download. See the CHANGES below for a detailed list of fixes.

At this stage, only critical bugs will be fixed before the 4.3.1 GA release. Please give it a try!

You can find the release on our downloads page (https://urldefense.us/v3/__https://www.mpich.org/downloads/__;!!G_uCfscf7eWS!erGUaX4r4Ld8x70a0uJlhHnUh_jbpu80p5qgKDmAgfHBwed_TdFd79jq2uJWj2JQ-vonJtIsCtagN6QF$ )

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
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