- Update to 3.1.3
* Add missing support for MPI.BOTTOM to generalized all-to-all
collectives.
- Release 3.1.2
* mpi4py.futures: Add _max_workers property to MPIPoolExecutor.
* mpi4py.util.dtlib: Fix computation of alignment for predefined
datatypes.
* mpi4py.util.pkl5: Fix deadlock when using ssend() + mprobe().
* mpi4py.util.pkl5: Add environment variable
MPI4PY_PICKLE_THRESHOLD.
* mpi4py.rc: Interpret "y" and "n" strings as boolean values.
* Fix/add typemap/typestr for MPI.WCHAR/MPI.COUNT datatypes.
* Minor fixes and additions to documentation.
* Minor fixes to typing support.
* Support for local version identifier (PEP-440).
- skip io tests on i586: gh#mpi4py/mpi4py#105