.. _whatsnew_0252:

What's new in 0.25.2 (October 15, 2019)
---------------------------------------

These are the changes in pandas 0.25.2. See :ref:`release` for a full changelog
including other versions of pandas.

.. note::

    Pandas 0.25.2 adds compatibility for Python 3.8 (:issue:`28147`).

.. _whatsnew_0252.bug_fixes:

Bug fixes
~~~~~~~~~

Indexing
^^^^^^^^

- Fix regression in :meth:`DataFrame.reindex` not following the ``limit`` argument (:issue:`28631`).
- Fix regression in :meth:`RangeIndex.get_indexer` for decreasing :class:`RangeIndex` where target values may be improperly identified as missing/present (:issue:`28678`)

I/O
^^^

- Fix regression in notebook display where ``<th>`` tags were missing for :attr:`DataFrame.index` values (:issue:`28204`).
- Regression in :meth:`~DataFrame.to_csv` where writing a :class:`Series` or :class:`DataFrame` indexed by an :class:`IntervalIndex` would incorrectly raise a ``TypeError`` (:issue:`28210`)
- Fix :meth:`~DataFrame.to_csv` with ``ExtensionArray`` with list-like values (:issue:`28840`).

Groupby/resample/rolling
^^^^^^^^^^^^^^^^^^^^^^^^

- Bug incorrectly raising an ``IndexError`` when passing a list of quantiles to :meth:`pandas.core.groupby.DataFrameGroupBy.quantile` (:issue:`28113`).
- Bug in :meth:`pandas.core.groupby.GroupBy.shift`, :meth:`pandas.core.groupby.GroupBy.bfill` and :meth:`pandas.core.groupby.GroupBy.ffill` where timezone information would be dropped (:issue:`19995`, :issue:`27992`)

^^^^^

- Compatibility with Python 3.8 in :meth:`DataFrame.query` (:issue:`27261`)
- Fix to ensure that tab-completion in an IPython console does not raise
  warnings for deprecated attributes (:issue:`27900`).

.. _whatsnew_0.252.contributors:

Contributors
~~~~~~~~~~~~

.. contributors:: v0.25.1..HEAD
