We are happy to announce that we just released MPICH-5.0.0rc1. This is the first release candidate for MPICH-5.0.0. It contains some bug fixes and improvements since MPICH-5.0.0b1. See the list of changes below. The release tarball can be found on our downloads page (https://urldefense.us/v3/__https://www.mpich.org/downloads__;!!G_uCfscf7eWS… ). Please test.
List of changes since v5.0.0b1:
yaksa: fix automatic compilation for CUDA 13
ch4: shm: fix data type for recv_bytes in MPIDI_POSIX_mpi_release_gat…
abi: fix MPI_Abi_get_fortran_info
yaksa: update to sync-up with yaksa repo
ch4: use larger initial av_tables size
autogen: pre-run libtoolize if necessary
ch4/win: refactor win_shm_alloc_impl
hydra: do not use -lhydra to link
build: miscellaneous configure and build issues
Fix data races found by ThreadSanitizer
cma: fix CMA detection
makefile: fix missing semicolon in `uninstall-local`
abi: do not convert builtin handles in _{from,to}int
hydra: fix standalone build on MacOS
ch4/progress: fine-tune progress throttle
init: add commit hash to DEBUG_SUMMARY
misc: ci warnings rollup
common/genq: fix false sharing and alignment issue in shared pool
misc: fine tune default fast copy threshold
--
Hui Zhou on behalf of MPICH Team
