MPICH 4.3.0rc3 released

A new release candidate of MPICH, 4.3.0rc3, is now available on our downloads page. Since rc2, we have enhanced error reporting in ch4:ofi to include NIC information, fixed a bug in MPI_ANY_SOURCE handling with certain libfabric providers, and reverted a change that caused large messages with ch4:ofi to fallback to MPICH active message protocol. See CHANGES for more detailed info. The full set of git commits since 4.2.3 can be found here: https://www.mpich.org/static/downloads/4.3.0rc3/shortlog At this stage, only critical bugs will be fixed before the 4.3.0 GA release. Please give it a try and report any issues!
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