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Backport PR #51566 on branch 2.0.x (DOC: Clean whatsnew links) #51572

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Feb 23, 2023
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Backport PR #51566 on branch 2.0.x (DOC: Clean whatsnew links) #51572

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14 changes: 7 additions & 7 deletions doc/source/whatsnew/v2.0.0.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -72,7 +72,7 @@ Below is a possibly non-exhaustive list of changes:
2. The various numeric datetime attributes of :class:`DatetimeIndex` (:attr:`~DatetimeIndex.day`,
:attr:`~DatetimeIndex.month`, :attr:`~DatetimeIndex.year` etc.) were previously in of
dtype ``int64``, while they were ``int32`` for :class:`arrays.DatetimeArray`. They are now
``int32`` on ``DatetimeIndex`` also:
``int32`` on :class:`DatetimeIndex` also:

.. ipython:: python

Expand Down Expand Up @@ -1085,7 +1085,7 @@ Removal of prior version deprecations/changes
- Changed behavior in setting values with ``df.loc[:, foo] = bar`` or ``df.iloc[:, foo] = bar``, these now always attempt to set values inplace before falling back to casting (:issue:`45333`)
- Changed default of ``numeric_only`` in various :class:`.DataFrameGroupBy` methods; all methods now default to ``numeric_only=False`` (:issue:`46072`)
- Changed default of ``numeric_only`` to ``False`` in :class:`.Resampler` methods (:issue:`47177`)
- Using the method :meth:`DataFrameGroupBy.transform` with a callable that returns DataFrames will align to the input's index (:issue:`47244`)
- Using the method :meth:`.DataFrameGroupBy.transform` with a callable that returns DataFrames will align to the input's index (:issue:`47244`)
- When providing a list of columns of length one to :meth:`DataFrame.groupby`, the keys that are returned by iterating over the resulting :class:`DataFrameGroupBy` object will now be tuples of length one (:issue:`47761`)
- Removed deprecated methods :meth:`ExcelWriter.write_cells`, :meth:`ExcelWriter.save`, :meth:`ExcelWriter.cur_sheet`, :meth:`ExcelWriter.handles`, :meth:`ExcelWriter.path` (:issue:`45795`)
- The :class:`ExcelWriter` attribute ``book`` can no longer be set; it is still available to be accessed and mutated (:issue:`48943`)
Expand Down Expand Up @@ -1209,8 +1209,8 @@ Datetimelike
- Bug in :func:`DataFrame.from_records` when given a :class:`DataFrame` input with timezone-aware datetime64 columns incorrectly dropping the timezone-awareness (:issue:`51162`)
- Bug in :func:`to_datetime` was raising ``decimal.InvalidOperation`` when parsing date strings with ``errors='coerce'`` (:issue:`51084`)
- Bug in :func:`to_datetime` with both ``unit`` and ``origin`` specified returning incorrect results (:issue:`42624`)
- Bug in :meth:`GroupBy.quantile` with datetime or timedelta dtypes giving incorrect results for groups containing ``NaT`` (:issue:`51373`)
- Bug in :meth:`Groupby.quantile` incorrectly raising with :class:`PeriodDtype` or :class:`DatetimeTZDtype` (:issue:`51373`)
- Bug in :meth:`.DataFrameGroupBy.quantile` and :meth:`.SeriesGroupBy.quantile` with datetime or timedelta dtypes giving incorrect results for groups containing ``NaT`` (:issue:`51373`)
- Bug in :meth:`.DataFrameGroupBy.quantile` and :meth:`.SeriesGroupBy.quantile` incorrectly raising with :class:`PeriodDtype` or :class:`DatetimeTZDtype` (:issue:`51373`)

Timedelta
^^^^^^^^^
Expand Down Expand Up @@ -1337,7 +1337,7 @@ Period
- Bug in adding a :class:`Period` object to an array of :class:`DateOffset` objects incorrectly raising ``TypeError`` (:issue:`50162`)
- Bug in :class:`Period` where passing a string with finer resolution than nanosecond would result in a ``KeyError`` instead of dropping the extra precision (:issue:`50417`)
- Bug in parsing strings representing Week-periods e.g. "2017-01-23/2017-01-29" as minute-frequency instead of week-frequency (:issue:`50803`)
- Bug in :meth:`.GroupBy.sum`, :meth:`.GroupBy.cumsum`, :meth:`.GroupBy.prod`, :meth:`.GroupBy.cumprod` with :class:`PeriodDtype` failing to raise ``TypeError`` (:issue:`51040`)
- Bug in :meth:`.DataFrameGroupBy.sum`, :meth:`.DataFrameGroupByGroupBy.cumsum`, :meth:`.DataFrameGroupByGroupBy.prod`, :meth:`.DataFrameGroupByGroupBy.cumprod` with :class:`PeriodDtype` failing to raise ``TypeError`` (:issue:`51040`)
- Bug in parsing empty string with :class:`Period` incorrectly raising ``ValueError`` instead of returning ``NaT`` (:issue:`51349`)

Plotting
Expand Down Expand Up @@ -1370,8 +1370,8 @@ Groupby/resample/rolling
- Bug in :meth:`.DataFrameGroupBy.transform` and :meth:`.SeriesGroupBy.transform` would raise incorrectly when grouper had ``axis=1`` for ``"ngroup"`` argument (:issue:`45986`)
- Bug in :meth:`.DataFrameGroupBy.describe` produced incorrect results when data had duplicate columns (:issue:`50806`)
- Bug in :meth:`.DataFrameGroupBy.agg` with ``engine="numba"`` failing to respect ``as_index=False`` (:issue:`51228`)
- Bug in :meth:`DataFrameGroupBy.agg`, :meth:`SeriesGroupBy.agg`, and :meth:`Resampler.agg` would ignore arguments when passed a list of functions (:issue:`50863`)
- Bug in :meth:`DataFrameGroupBy.ohlc` ignoring ``as_index=False`` (:issue:`51413`)
- Bug in :meth:`.DataFrameGroupBy.agg`, :meth:`.SeriesGroupBy.agg`, and :meth:`.Resampler.agg` would ignore arguments when passed a list of functions (:issue:`50863`)
- Bug in :meth:`.DataFrameGroupBy.ohlc` ignoring ``as_index=False`` (:issue:`51413`)

Reshaping
^^^^^^^^^
Expand Down