All,

A new stable release of MPICH, 4.2.3, is now available for download. This is the third bug-fix release in the 4.2.x series. See the CHANGES below for a detailed list of fixes. For the full lists of commits, see https://github.com/pmodels/mpich/compare/v4.2.2…v4.2.3/

You can find the release on our downloads page (https://www.mpich.org/downloads/)

Regards,
The MPICH team

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                               Changes in 4.2.3

===============================================================================

# Update embedded libfabric to fix a build issue on FreeBSD

# Fix HIP support for use with AMD GPUs

# Fix potential invalid context issue in CUDA memory hooks

# Fix GPU fallback path in ch4/ofi for Intel GPU buffers

# Fix IPC handle destruction with Level Zero API (Intel GPU)

# Fix potential crash in MPI_ISENDRECV with derived datatypes

# Fix bug in persistent MPI_GATHER that incorrectly cached buffer

  contents at init time

# Fix memory allocation bug in ROMIO GPFS driver

# Fix missing error names in ch4/ofi netmod

# Fix potential hang in multi-VCI active message RMA

# Fix bug in ch3 large count support with derived datatypes

# Fix manpage generation to provide aliases for large-count versions

# Fix potential crash in Hydra with long PMI command messages

# Fix bug in exit status capture in Hydra when there are multiple

  processes with non-zero exit

# Fix implementation of C/Fortran status conversion functions

# Fix implementation of MPI_Type_create_f90_xxx functions