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Aug 11, 2021
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DOC/CLN: 1.3.2 release notes #42983

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DOC/CLN: 1.3.2 release notes
simonjayhawkins Aug 11, 2021
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Merge branch 'master' into release-note-tidy
simonjayhawkins Aug 11, 2021
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14 changes: 7 additions & 7 deletions doc/source/whatsnew/v1.3.2.rst
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Expand Up @@ -15,25 +15,25 @@ including other versions of pandas.
Fixed regressions
~~~~~~~~~~~~~~~~~
- Performance regression in :meth:`DataFrame.isin` and :meth:`Series.isin` for nullable data types (:issue:`42714`)
- Regression in updating values of :class:`pandas.Series` using boolean index, created by using :meth:`pandas.DataFrame.pop` (:issue:`42530`)
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@MarcoGorelli MarcoGorelli Aug 11, 2021 •
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should there be a pygrep check for

:\w+:`pandas\.

if this is a common enough occurrence?

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I think people look at the adjacent code for inspiration, so maybe it would be common if let through when the release notes don't have many entries.

although no harm in a check.

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we probably want to allow pandas.NA

- Regression in updating values of :class:`Series` using boolean index, created by using :meth:`DataFrame.pop` (:issue:`42530`)
- Regression in :meth:`DataFrame.from_records` with empty records (:issue:`42456`)
- Fixed regression in :meth:`DataFrame.shift` where TypeError occurred when shifting DataFrame created by concatenation of slices and fills with values (:issue:`42719`)
- Fixed regression in :meth:`DataFrame.shift` where ``TypeError`` occurred when shifting DataFrame created by concatenation of slices and fills with values (:issue:`42719`)
- Regression in :meth:`DataFrame.agg` when the ``func`` argument returned lists and ``axis=1`` (:issue:`42727`)
- Regression in :meth:`DataFrame.drop` does nothing if :class:`MultiIndex` has duplicates and indexer is a tuple or list of tuples (:issue:`42771`)
- Fixed regression where :meth:`pandas.read_csv` raised a ``ValueError`` when parameters ``names`` and ``prefix`` were both set to None (:issue:`42387`)
- Fixed regression where :func:`read_csv` raised a ``ValueError`` when parameters ``names`` and ``prefix`` were both set to ``None`` (:issue:`42387`)
- Fixed regression in comparisons between :class:`Timestamp` object and ``datetime64`` objects outside the implementation bounds for nanosecond ``datetime64`` (:issue:`42794`)
- Fixed regression in :meth:`.Styler.highlight_min` and :meth:`.Styler.highlight_max` where ``pandas.NA`` was not successfully ignored (:issue:`42650`)
- Fixed regression in :func:`pandas.concat` where ``copy=False`` was not honored in ``axis=1`` Series concatenation (:issue:`42501`)
- Regression in :meth:`Series.nlargest` and :meth:`Series.nsmallest` with nullable integer or float dtype (:issue:`41816`)
- Fixed regression in :meth:`pandas.Series.quantile` with :class:`pandas.Int64Dtype` (:issue:`42626`)
- Fixed regression in :func:`concat` where ``copy=False`` was not honored in ``axis=1`` Series concatenation (:issue:`42501`)
- Regression in :meth:`Series.nlargest` and :meth:`Series.nsmallest` with nullable integer or float dtype (:issue:`42816`)
- Fixed regression in :meth:`Series.quantile` with :class:`Int64Dtype` (:issue:`42626`)

.. ---------------------------------------------------------------------------

.. _whatsnew_132.bug_fixes:

Bug fixes
~~~~~~~~~
- Bug in :meth:`pandas.read_excel` modifies the dtypes dictionary when reading a file with duplicate columns (:issue:`42462`)
- Bug in :func:`read_excel` modifies the dtypes dictionary when reading a file with duplicate columns (:issue:`42462`)
- 1D slices over extension types turn into N-dimensional slices over ExtensionArrays (:issue:`42430`)
- Fixed bug in :meth:`Series.rolling` and :meth:`DataFrame.rolling` not calculating window bounds correctly for the first row when ``center=True`` and ``window`` is an offset that covers all the rows (:issue:`42753`)
- :meth:`.Styler.hide_columns` now hides the index name header row as well as column headers (:issue:`42101`)
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