We now have 4.1.0rc5 available with some late-breaking fixes: https://www.open-mpi.org/software/ompi/v4.1/
We are close to the final release, so please test and send feedback to devel@lists.open-mpi.org<mailto:devel@lists.open-mpi.org> or open an issue on Github at https://github.com/open-mpi/ompi/issues Changes since rc5 include: - Upgrade the embedded OpenPMIx to v3.2.2. - Fix issue in PMIx callback caused by missing memory barrier on Arm platforms. - opal: Disable memory patcher component on MacOS - UCX: Replace usage of the deprecated NB API of UCX with NBX - Fixed uninitialzed memory access bug in base64 encoding. - Compiler warning fixes Raghu