MPICH 5.0.1rc3 released

A new release candidate of MPICH, 5.0.1rc3, is now available for download. This release addresses a number of user-reported issues, including a potential corruption issue with multiple singleton inits on the same node. For the full set of commits see https://github.com/pmodels/mpich/compare/v5.0.0…v5.0.1rc3/.

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                               Changes in 5.0.1
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# Fix bad cast in release-gather collectives that caused data loss
  issues on Big-Endian 64b arches (s390x)

# Fix issue with canceling MPI_ANY_SOURCE receive requests

# Fix configuration issue when C++ compiler does not support complex types

# Fix function signature issue in Hydra PBS support

# Fix crash in MPI_Allreduce with MPI_LOGICAL type

# Fix potential crash in multi-nic libfabric initialization

# Fix memory leaks in Level Zero and PMIx support

# Fix bug in CMA code when GPU support is enabled

# Fix potential shared memory collision between multiple singleton
  processes on the same node

# Add large count and other necessary aliases to ROMIO to avoid
  accidental profiling of internal MPI function usage

# Add missing error checks in rndv and colletive composition code

# Improve autogen.sh error message when autotools are too old