Open MPI v5.0.0rc12 is now available for testing at https://www.open-mpi.org/software/ompi/v5.0/ .
Please test and send feedback either via the user mailing lists or create an issue at https://github.com/open-mpi/ompi/issues/ . See https://docs.open-mpi.org/en/v5.0.x/news/news-v5.0.x.html for a list of changes since rc11. Thank you, v5.0 Release Managers