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v0.24.0.txt
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.. _whatsnew_0240:
v0.24.0
-------
.. _whatsnew_0240.enhancements:
New features
~~~~~~~~~~~~
.. _whatsnew_0240.enhancements.other:
Other Enhancements
^^^^^^^^^^^^^^^^^^
- :func:`to_datetime` now supports the ``%Z`` and ``%z`` directive when passed into ``format`` (:issue:`13486`)
- :func:`Series.mode` and :func:`DataFrame.mode` now support the ``dropna`` parameter which can be used to specify whether NaN/NaT values should be considered (:issue:`17534`)
- :func:`to_csv` now supports ``compression`` keyword when a file handle is passed. (:issue:`21227`)
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.. _whatsnew_0240.api_breaking:
Backwards incompatible API changes
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.. _whatsnew_0240.api.datetimelike:
Datetimelike API Changes
^^^^^^^^^^^^^^^^^^^^^^^^
- For :class:`DatetimeIndex` and :class:`TimedeltaIndex` with non-``None`` ``freq`` attribute, addition or subtraction of integer-dtyped array or ``Index`` will return an object of the same class (:issue:`19959`)
- Subtraction of :class:`Period` from :class:`Period` will return a :class:`DateOffset` object instead of an integer (:issue:`21314`)
- Subtraction of :class:`Period` from :class:`PeriodIndex` (or vice-versa) will return an object-dtype :class:`Index` instead of :class:`Int64Index` (:issue:`21314`)
.. _whatsnew_0240.api.other:
Other API Changes
^^^^^^^^^^^^^^^^^
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.. _whatsnew_0240.deprecations:
Deprecations
~~~~~~~~~~~~
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.. _whatsnew_0240.prior_deprecations:
Removal of prior version deprecations/changes
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- The ``LongPanel`` and ``WidePanel`` classes have been removed (:issue:`10892`)
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.. _whatsnew_0240.performance:
Performance Improvements
~~~~~~~~~~~~~~~~~~~~~~~~
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.. _whatsnew_0240.docs:
Documentation Changes
~~~~~~~~~~~~~~~~~~~~~
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.. _whatsnew_0240.bug_fixes:
Bug Fixes
~~~~~~~~~
Categorical
^^^^^^^^^^^
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Datetimelike
^^^^^^^^^^^^
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Timedelta
^^^^^^^^^
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Timezones
^^^^^^^^^
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Offsets
^^^^^^^
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Numeric
^^^^^^^
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Strings
^^^^^^^
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Indexing
^^^^^^^^
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MultiIndex
^^^^^^^^^^
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I/O
^^^
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Plotting
^^^^^^^^
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Groupby/Resample/Rolling
^^^^^^^^^^^^^^^^^^^^^^^^
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Sparse
^^^^^^
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Reshaping
^^^^^^^^^
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Other
^^^^^
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