diff --git a/doc/source/release.rst b/doc/source/release.rst index eff3eea63e9f8..c330d08600928 100644 --- a/doc/source/release.rst +++ b/doc/source/release.rst @@ -37,10 +37,10 @@ analysis / manipulation tool available in any language. * Binary installers on PyPI: http://pypi.python.org/pypi/pandas * Documentation: http://pandas.pydata.org -pandas 0.21.0RC1 ----------------- +pandas 0.21.0 +------------- -**Release date:** October 13, 2017 +**Release date:** October 27, 2017 This is a major release from 0.20.3 and includes a number of API changes, deprecations, new features, enhancements, and performance improvements along @@ -61,13 +61,17 @@ of all enhancements and bugs that have been fixed in 0.21.0 Thanks ~~~~~~ -A total of 196 people contributed to this release. People with a "+" by their +A total of 206 people contributed to this release. People with a "+" by their names contributed a patch for the first time. +Contributors +============ + * 3553x + * Aaron Barber * Adam Gleave + * Adam Smith + +* AdamShamlian + * Adrian Liaw + * Alan Velasco + * Alan Yee + @@ -84,6 +88,7 @@ names contributed a patch for the first time. * Berkay + * Bob Haffner + * Bran Yang +* Brian Tu + * Brock Mendel + * Carol Willing + * Carter Green + @@ -125,6 +130,7 @@ names contributed a patch for the first time. * Hussain Tamboli + * Iva Miholic + * Jan Novotný + +* Jan Rudolph * Jean Helie + * Jean-Baptiste Schiratti + * Jean-Mathieu Deschenes @@ -136,6 +142,8 @@ names contributed a patch for the first time. * Joel Nothman * John W. O'Brien * Jon Crall + +* Jon Mease +* Jonathan J. Helmus + * Joris Van den Bossche * JosephWagner * Juarez Bochi @@ -172,6 +180,7 @@ names contributed a patch for the first time. * Pankaj Pandey * Patrick Luo * Patrick O'Melveny +* Paul Reidy + * Paula + * Peter Quackenbush * Peter Yanovich + @@ -205,6 +214,7 @@ names contributed a patch for the first time. * XF + * Yi Liu + * Yosuke Nakabayashi + +* aaron315 + * abarber4gh + * aernlund + * agustín méndez + @@ -241,6 +251,7 @@ names contributed a patch for the first time. * louispotok + * majiang + * manikbhandari + +* matthiashuschle + * mattip * maxwasserman + * mjlove12 + @@ -254,13 +265,16 @@ names contributed a patch for the first time. * ruiann + * rvernica + * s-weigand + +* scotthavard92 + * skwbc + * step4me + +* tobycheese + * topper-123 + * tsdlovell * ysau + * zzgao + + pandas 0.20.0 / 0.20.1 ---------------------- diff --git a/doc/source/whatsnew/v0.21.0.txt b/doc/source/whatsnew/v0.21.0.txt index 11106554483e0..0c7fb0bfa0775 100644 --- a/doc/source/whatsnew/v0.21.0.txt +++ b/doc/source/whatsnew/v0.21.0.txt @@ -1,7 +1,7 @@ .. _whatsnew_0210: -v0.21.0 RC1 (October 13, 2017) ------------------------------- +v0.21.0 (October 27, 2017) +-------------------------- This is a major release from 0.20.3 and includes a number of API changes, deprecations, new features, enhancements, and performance improvements along with a large number of bug fixes. We recommend that all @@ -29,13 +29,14 @@ New features ~~~~~~~~~~~~ - Support for `PEP 519 -- Adding a file system path protocol - `_ on most readers and writers (:issue:`13823`) -- Added ``__fspath__`` method to :class:`~pandas.HDFStore`, :class:`~pandas.ExcelFile`, - and :class:`~pandas.ExcelWriter` to work properly with the file system path protocol (:issue:`13823`) -- Added ``skipna`` parameter to :func:`~pandas.api.types.infer_dtype` to + `_ on most readers (e.g. + :func:`read_csv`) and writers (e.g. :meth:`DataFrame.to_csv`) (:issue:`13823`). +- Added a ``__fspath__`` method to ``pd.HDFStore``, ``pd.ExcelFile``, + and ``pd.ExcelWriter`` to work properly with the file system path protocol (:issue:`13823`). +- Added a ``skipna`` parameter to :func:`~pandas.api.types.infer_dtype` to support type inference in the presence of missing values (:issue:`17059`). -- :class:`~pandas.Resampler.nearest` is added to support nearest-neighbor upsampling (:issue:`17496`). -- :class:`~pandas.Index` has added support for a ``to_frame`` method (:issue:`15230`) +- :meth:`~pandas.core.resample.Resampler.nearest` is added to support nearest-neighbor upsampling (:issue:`17496`). +- :class:`~pandas.Index` has added support for a ``to_frame`` method (:issue:`15230`). .. _whatsnew_0210.enhancements.infer_objects: @@ -258,16 +259,16 @@ as in :meth:`DataFrame.rename`. .. warning:: To assist with upgrading pandas, ``rename_categories`` treats ``Series`` as - list-like. Typically, they are considered to be dict-like, and in a future - version of pandas ``rename_categories`` will change to treat them as - dict-like. + list-like. Typically, Series are considered to be dict-like (e.g. in + ``.rename``, ``.map``). In a future version of pandas ``rename_categories`` + will change to treat them as dict-like. Follow the warning message's + recommendations for writing future-proof code. .. ipython:: python :okwarning: c.rename_categories(pd.Series([0, 1], index=['a', 'c'])) - Follow the warning message's recommendations. See the :ref:`documentation ` for more. @@ -293,15 +294,15 @@ Other Enhancements - Integration with `Apache Parquet `__, including a new top-level :func:`read_parquet` and :func:`DataFrame.to_parquet` method, see :ref:`here `. (:issue:`15838`, :issue:`17438`) - :func:`DataFrame.add_prefix` and :func:`DataFrame.add_suffix` now accept strings containing the '%' character. (:issue:`17151`) - Read/write methods that infer compression (:func:`read_csv`, :func:`read_table`, :func:`read_pickle`, and :meth:`~DataFrame.to_pickle`) can now infer from path-like objects, such as ``pathlib.Path``. (:issue:`17206`) -- :func:`pd.read_sas()` now recognizes much more of the most frequently used date (datetime) formats in SAS7BDAT files. (:issue:`15871`) +- :func:`read_sas` now recognizes much more of the most frequently used date (datetime) formats in SAS7BDAT files. (:issue:`15871`) - :func:`DataFrame.items` and :func:`Series.items` are now present in both Python 2 and 3 and is lazy in all cases. (:issue:`13918`, :issue:`17213`) -- :func:`Styler.where` has been implemented as a convenience for :func:`Styler.applymap`. (:issue:`17474`) +- :meth:`pandas.io.formats.style.Styler.where` has been implemented as a convenience for :meth:`pandas.io.formats.style.Styler.applymap`. (:issue:`17474`) - :func:`MultiIndex.is_monotonic_decreasing` has been implemented. Previously returned ``False`` in all cases. (:issue:`16554`) - :func:`read_excel` raises ``ImportError`` with a better message if ``xlrd`` is not installed. (:issue:`17613`) - :func:`read_json` now accepts a ``chunksize`` parameter that can be used when ``lines=True``. If ``chunksize`` is passed, read_json now returns an iterator which reads in ``chunksize`` lines with each iteration. (:issue:`17048`) - :meth:`DataFrame.assign` will preserve the original order of ``**kwargs`` for Python 3.6+ users instead of sorting the column names. (:issue:`14207`) - Improved the import time of pandas by about 2.25x. (:issue:`16764`) -- :func:`read_json` and :func:`to_json` now accept a ``compression`` argument which allows them to transparently handle compressed files. (:issue:`17798`) +- :func:`read_json` and :func:`~DataFrame.to_json` now accept a ``compression`` argument which allows them to transparently handle compressed files. (:issue:`17798`) - :func:`Series.reindex`, :func:`DataFrame.reindex`, :func:`Index.get_indexer` now support list-like argument for ``tolerance``. (:issue:`17367`) .. _whatsnew_0210.api_breaking: @@ -953,7 +954,7 @@ Performance Improvements - Improved performance of instantiating :class:`SparseDataFrame` (:issue:`16773`) - :attr:`Series.dt` no longer performs frequency inference, yielding a large speedup when accessing the attribute (:issue:`17210`) -- Improved performance of :meth:`Categorical.set_categories` by not materializing the values (:issue:`17508`) +- Improved performance of :meth:`~Series.cat.set_categories` by not materializing the values (:issue:`17508`) - :attr:`Timestamp.microsecond` no longer re-computes on attribute access (:issue:`17331`) - Improved performance of the :class:`CategoricalIndex` for data that is already categorical dtype (:issue:`17513`) - Improved performance of :meth:`RangeIndex.min` and :meth:`RangeIndex.max` by using ``RangeIndex`` properties to perform the computations (:issue:`17607`) diff --git a/doc/source/whatsnew/v0.21.1.txt b/doc/source/whatsnew/v0.21.1.txt new file mode 100644 index 0000000000000..422a239e86ece --- /dev/null +++ b/doc/source/whatsnew/v0.21.1.txt @@ -0,0 +1,124 @@ +.. _whatsnew_0211: + +v0.21.1 +------- + +This is a minor release from 0.21.1 and includes a number of deprecations, new +features, enhancements, and performance improvements along with a large number +of bug fixes. We recommend that all users upgrade to this version. + +.. _whatsnew_0211.enhancements: + +New features +~~~~~~~~~~~~ + +- +- +- + +.. _whatsnew_0211.enhancements.other: + +Other Enhancements +^^^^^^^^^^^^^^^^^^ + +- +- +- + +.. _whatsnew_0211.deprecations: + +Deprecations +~~~~~~~~~~~~ + +- +- +- + +.. _whatsnew_0211.performance: + +Performance Improvements +~~~~~~~~~~~~~~~~~~~~~~~~ + +- +- +- + +.. _whatsnew_0211.docs: + +Documentation Changes +~~~~~~~~~~~~~~~~~~~~~ + +- +- +- + +.. _whatsnew_0211.bug_fixes: + +Bug Fixes +~~~~~~~~~ + +Conversion +^^^^^^^^^^ + +- +- +- + +Indexing +^^^^^^^^ + +- +- +- + +I/O +^^^ + +Plotting +^^^^^^^^ + +- +- +- + +Groupby/Resample/Rolling +^^^^^^^^^^^^^^^^^^^^^^^^ + +- +- +- + +Sparse +^^^^^^ + +- +- +- + +Reshaping +^^^^^^^^^ + +- +- +- + +Numeric +^^^^^^^ + +- +- +- + +Categorical +^^^^^^^^^^^ + +- +- +- + +Other +^^^^^ + +- +- +- diff --git a/doc/source/whatsnew/v0.22.0.txt b/doc/source/whatsnew/v0.22.0.txt new file mode 100644 index 0000000000000..53b052a955b45 --- /dev/null +++ b/doc/source/whatsnew/v0.22.0.txt @@ -0,0 +1,156 @@ +.. _whatsnew_0220: + +v0.22.0 +------- + +This is a major release from 0.21.1 and includes a number of API changes, +deprecations, new features, enhancements, and performance improvements along +with a large number of bug fixes. We recommend that all users upgrade to this +version. + +.. _whatsnew_0220.enhancements: + +New features +~~~~~~~~~~~~ + +- +- +- + +.. _whatsnew_0220.enhancements.other: + +Other Enhancements +^^^^^^^^^^^^^^^^^^ + +- +- +- + +.. _whatsnew_0220.api_breaking: + +Backwards incompatible API changes +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +- +- +- + +.. _whatsnew_0220.api: + +Other API Changes +^^^^^^^^^^^^^^^^^ + +- +- +- + +.. _whatsnew_0220.deprecations: + +Deprecations +~~~~~~~~~~~~ + +- +- +- + +.. _whatsnew_0220.prior_deprecations: + +Removal of prior version deprecations/changes +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +- +- +- + +.. _whatsnew_0220.performance: + +Performance Improvements +~~~~~~~~~~~~~~~~~~~~~~~~ + +- +- +- + +.. _whatsnew_0220.docs: + +Documentation Changes +~~~~~~~~~~~~~~~~~~~~~ + +- +- +- + +.. _whatsnew_0220.bug_fixes: + +Bug Fixes +~~~~~~~~~ + +Conversion +^^^^^^^^^^ + +- +- +- + +Indexing +^^^^^^^^ + +- +- +- + +I/O +^^^ + +- +- +- + +Plotting +^^^^^^^^ + +- +- +- + +Groupby/Resample/Rolling +^^^^^^^^^^^^^^^^^^^^^^^^ + +- +- +- + +Sparse +^^^^^^ + +- +- +- + +Reshaping +^^^^^^^^^ + +- +- +- + +Numeric +^^^^^^^ + +- +- +- + +Categorical +^^^^^^^^^^^ + +- +- +- + +Other +^^^^^ + +- +- +-