mpi4py/mpi4py 3.0.1

on GitHub

Bug fixes:

• Fix Comm.scatter() and other collectives corrupting input send
  list. Add safety measures to prevent related issues in global
  reduction operations.
• Fix error-checking code for counts in Op.Reduce_local().

Enhancements:

• Map size-specific Python/NumPy typecodes to MPI datatypes.
• Allow partial specification of target list/tuple arguments in the
  various Win RMA methods.
• Workaround for removal of MPI_{LB|UB} in Open MPI 4.0.
• Support for Microsoft MPI v10.0.