DOC: move versions 0.22 -> 0.23, add 0.22 docs (#18897)

Author: jreback

doc/source/whatsnew.rst

@@ -18,6 +18,8 @@ What's New
 
 These are new features and improvements of note in each release.
 
+.. include:: whatsnew/v0.23.0.txt
+
 .. include:: whatsnew/v0.22.0.txt
 
 .. include:: whatsnew/v0.21.1.txt

doc/source/whatsnew/v0.22.0

@@ -0,0 +1,14 @@
+.. _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.api_breaking:
+
+Backwards incompatible API changes
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

doc/source/whatsnew/v0.22.0.txt renamed to doc/source/whatsnew/v0.23.0

@@ -1,14 +1,14 @@
-.. _whatsnew_0220:
+.. _whatsnew_0230:
 
-v0.22.0
+v0.23.0
 -------
 
 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:
+.. _whatsnew_0230.enhancements:
 
 New features
 ~~~~~~~~~~~~
@@ -32,7 +32,7 @@ The :func:`get_dummies` now accepts a ``dtype`` argument, which specifies a dtyp
    pd.get_dummies(df, columns=['c'], dtype=bool).dtypes
 
 
-.. _whatsnew_0220.enhancements.merge_on_columns_and_levels:
+.. _whatsnew_0230.enhancements.merge_on_columns_and_levels:
 
 Merging on a combination of columns and index levels
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -63,7 +63,7 @@ levels <merging.merge_on_columns_and_levels>` documentation section.
    left.merge(right, on=['key1', 'key2'])
 
 
-.. _whatsnew_0220.enhancements.ran_inf:
+.. _whatsnew_0230.enhancements.ran_inf:
 
 ``.rank()`` handles ``inf`` values when ``NaN`` are present
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -119,7 +119,7 @@ Current Behavior
 
     s.rank(na_option='top')
 
-.. _whatsnew_0220.enhancements.other:
+.. _whatsnew_0230.enhancements.other:
 
 Other Enhancements
 ^^^^^^^^^^^^^^^^^^
@@ -142,12 +142,12 @@ Other Enhancements
 - ``Categorical.rename_categories``, ``CategoricalIndex.rename_categories`` and :attr:`Series.cat.rename_categories`
   can now take a callable as their argument (:issue:`18862`)
 
-.. _whatsnew_0220.api_breaking:
+.. _whatsnew_0230.api_breaking:
 
 Backwards incompatible API changes
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-.. _whatsnew_0220.api_breaking.deps:
+.. _whatsnew_0230.api_breaking.deps:
 
 Dependencies have increased minimum versions
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -171,7 +171,7 @@ Build Changes
 - Building from source now explicity requires ``setuptools`` in ``setup.py`` (:issue:`18113`)
 - Updated conda recipe to be in compliance with conda-build 3.0+ (:issue:`18002`)
 
-.. _whatsnew_0220.api:
+.. _whatsnew_0230.api:
 
 Other API Changes
 ^^^^^^^^^^^^^^^^^
@@ -201,7 +201,7 @@ Other API Changes
 - :func:`pandas.merge` now raises a ``ValueError`` when trying to merge on incompatible data types (:issue:`9780`)
 - :func:`wide_to_long` previously kept numeric-like suffixes as ``object`` dtype. Now they are cast to numeric if possible (:issue:`17627`)
 
-.. _whatsnew_0220.deprecations:
+.. _whatsnew_0230.deprecations:
 
 Deprecations
 ~~~~~~~~~~~~
@@ -217,7 +217,7 @@ Deprecations
 - :func:`read_excel` has deprecated the ``skip_footer`` parameter. Use ``skipfooter`` instead (:issue:`18836`)
 - The ``is_copy`` attribute is deprecated and will be removed in a future version (:issue:`18801`).
 
-.. _whatsnew_0220.prior_deprecations:
+.. _whatsnew_0230.prior_deprecations:
 
 Removal of prior version deprecations/changes
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -238,7 +238,7 @@ Removal of prior version deprecations/changes
 - :func:`read_csv` has dropped the ``buffer_lines`` parameter (:issue:`13360`)
 - :func:`read_csv` has dropped the ``compact_ints`` and ``use_unsigned`` parameters (:issue:`13323`)
 
-.. _whatsnew_0220.performance:
+.. _whatsnew_0230.performance:
 
 Performance Improvements
 ~~~~~~~~~~~~~~~~~~~~~~~~
@@ -256,7 +256,7 @@ Performance Improvements
 - Improved performance of ``DatetimeIndex`` and ``Series`` arithmetic operations with Business-Month and Business-Quarter frequencies (:issue:`18489`)
 - :func:`Series` / :func:`DataFrame` tab completion limits to 100 values, for better performance. (:issue:`18587`)
 
-.. _whatsnew_0220.docs:
+.. _whatsnew_0230.docs:
 
 Documentation Changes
 ~~~~~~~~~~~~~~~~~~~~~
@@ -265,7 +265,7 @@ Documentation Changes
 -
 -
 
-.. _whatsnew_0220.bug_fixes:
+.. _whatsnew_0230.bug_fixes:
 
 Bug Fixes
 ~~~~~~~~~