What's new in 1.1.3 (??)

These are the changes in pandas 1.1.3. See :ref:`release` for a full changelog including other versions of pandas.

Enhancements

Pandas 1.1.3 now supports Python 3.9 (:issue:`36296`).

The minimum version of Cython is now the most recent bug-fix version (0.29.21) (:issue:`36296`).

Fixed regression in :meth:`DataFrame.agg`, :meth:`DataFrame.apply`, :meth:`Series.agg`, and :meth:`Series.apply` where internal suffix is exposed to the users when no relabelling is applied (:issue:`36189`)
Fixed regression in :class:`IntegerArray` unary plus and minus operations raising a TypeError (:issue:`36063`)
Fixed regression in :meth:`Series.__getitem__` incorrectly raising when the input was a tuple (:issue:`35534`)
Fixed regression in :meth:`Series.__getitem__` incorrectly raising when the input was a frozenset (:issue:`35747`)
Fixed regression in :meth:`read_excel` with engine="odf" caused UnboundLocalError in some cases where cells had nested child nodes (:issue:`36122`,:issue:35802)
Fixed regression in :class:`DataFrame` and :class:`Series` comparisons between numeric arrays and strings (:issue:`35700`,:issue:36377)

Bug in :func:`read_spss` where passing a pathlib.Path as path would raise a TypeError (:issue:`33666`)
Bug in :meth:`Series.str.startswith` and :meth:`Series.str.endswith` with category dtype not propagating na parameter (:issue:`36241`)
Bug in :class:`Series` constructor where integer overflow would occur for sufficiently large scalar inputs when an index was provided (:issue:`36291`)
Bug in :meth:`DataFrame.sort_values` raising an AttributeError when sorting on a key that casts column to categorical dtype (:issue:`36383`)
Bug in :meth:`DataFrame.stack` raising a ValueError when stacking :class:`MultiIndex` columns based on position when the levels had duplicate names (:issue:`36353`)
Bug in :meth:`Series.astype` showing too much precision when casting from np.float32 to string dtype (:issue:`36451`)
Bug in :meth:`Series.isin` and :meth:`DataFrame.isin` when using NaN and a row length above 1,000,000 (:issue:`22205`)

.. contributors:: v1.1.2..v1.1.3|HEAD