A new stable release of MPICH, 4.1.2, is now available for download. This is the second bug-fix release in the 4.1.x series. It contains a number of fixes for user-reported crashes and build issues. You can find the release on our downloads page (https://www.mpich.org/downloads/) Regards, The MPICH team =============================================================================== Changes in 4.1.2 =============================================================================== # Update UCX module to includes fixes for building with GCC 13 # Update libfabric module to 1.18.0 with additional fixes for building with recent versions of LLVM/Clang # Fix compiler wrapper scripts to be compatible with CUDA memory hooks # Fix MPIX_WAITALL_ENQUEUE to make a copy of the input request array # Fix bug in MPI_ALLREDUCE that could result in ranks receiving different floating point values # Fix potential deadlock when progressing RMA windows # Fix potential crash in MPI_REDUCE with non-zero root and MPI_IN_PLACE # Fix potential crash during probe with libfabric CXI provider # Fix MPI_PARRIVED when the partitioned request is inactive # Fix potential bug when an attribute delete callback deletes another attribute on the same object # Fix build issue in ROMIO Lustre driver # Improve Fortran 2008 binding support detection during configure # Report an error if collective tuning json file fails to open # Several fixes for testsuite programs and build configuration A full list of changes since 4.1.1 can be found here: https://github.com/pmodels/mpich/compare/v4.1.1...v4.1.2