DOC: whatsnew 0.21.0 fixes

Author: jreback

doc/source/api.rst

@@ -109,6 +109,14 @@ Feather
 
    read_feather
 
+Parquet
+~~~~~~~
+
+.. autosummary::
+   :toctree: generated/
+
+   read_parquet
+
 SAS
 ~~~
 

doc/source/whatsnew/v0.21.0.txt

@@ -220,7 +220,7 @@ Other API Changes
 - ``Index.get_indexer_non_unique()`` now returns a ndarray indexer rather than an ``Index``; this is consistent with ``Index.get_indexer()`` (:issue:`16819`)
 - Removed the ``@slow`` decorator from ``pandas.util.testing``, which caused issues for some downstream packages' test suites. Use ``@pytest.mark.slow`` instead, which achieves the same thing (:issue:`16850`)
 - Moved definition of ``MergeError`` to the ``pandas.errors`` module.
-- The signature of :func:`Series.set_axis` and :func:`DataFrame.set_axis` has been changed from ``set_axis(axis, labels)`` to ``set_axis(labels, axis=0)``, for consistency with the rest of the API. The old signature is still supported and causes a ``FutureWarning`` to be emitted (:issue:`14636`)
+- The signature of :func:`Series.set_axis` and :func:`DataFrame.set_axis` has been changed from ``set_axis(axis, labels)`` to ``set_axis(labels, axis=0)``, for consistency with the rest of the API. The old signature is deprecated and will show a ``FutureWarning`` (:issue:`14636`)
 
 
 .. _whatsnew_0210.deprecations:
@@ -318,7 +318,7 @@ Reshaping
 - Bug when using :func:`isin` on a large object series and large comparison array (:issue:`16012`)
 - Fixes regression from 0.20, :func:`Series.aggregate` and :func:`DataFrame.aggregate` allow dictionaries as return values again (:issue:`16741`)
 - Fixes dtype of result with integer dtype input, from :func:`pivot_table` when called with ``margins=True`` (:issue:`17013`)
-- Bug in ``pd.crosstab()`` where passing two ``Series`` with the same name raised a ``KeyError`` (:issue:`13279`)
+- Bug in :func:`crosstab` where passing two ``Series`` with the same name raised a ``KeyError`` (:issue:`13279`)
 
 Numeric
 ^^^^^^^