A new release of MPICH, 5.0.0rc1, is now available for download. This is the first RC release for MPICH-5.0.0. This release contains some bug fixes and improvements since the 5.0.0b1 release. See the list of changes below. The release tarball can be found on our downloads page.
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
