What's new in 1.2.1 (January ??, 2021)

These are the changes in pandas 1.2.1. See :ref:`release` for a full changelog including other versions of pandas.

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Fixed regressions

The deprecated attributes _AXIS_NAMES and _AXIS_NUMBERS of :class:`DataFrame` and :class:`Series` will no longer show up in dir or inspect.getmembers calls (:issue:`38740`)
:meth:`to_csv` created corrupted zip files when there were more rows than chunksize (issue:38714)
Bug in repr of float-like strings of an object dtype having trailing 0's truncated after the decimal (:issue:`38708`)

Bug fixes

I/O

Bumped minimum fastparquet version to 0.4.0 to avoid AttributeError from numba (:issue:`38344`)
Bumped minimum pymysql version to 0.8.1 to avoid test failures (:issue:`38344`)

Other

Contributors

.. contributors:: v1.2.0..v1.2.1|HEAD