DOC: update versionadded references of 0.22 to 0.23 (#18911)

Author: jorisvandenbossche

doc/source/merging.rst

@@ -568,7 +568,7 @@ standard database join operations between DataFrame objects:
 .. note::
 
    Support for specifying index levels as the ``on``, ``left_on``, and
-   ``right_on`` parameters was added in version 0.22.0.
+   ``right_on`` parameters was added in version 0.23.0.
 
 The return type will be the same as ``left``. If ``left`` is a ``DataFrame``
 and ``right`` is a subclass of DataFrame, the return type will still be

doc/source/reshaping.rst

@@ -642,7 +642,7 @@ By default new columns will have ``np.uint8`` dtype. To choose another dtype use
 
     pd.get_dummies(df, dtype=bool).dtypes
 
-.. versionadded:: 0.22.0
+.. versionadded:: 0.23.0
 
 
 .. _reshaping.factorize:

pandas/core/categorical.py

@@ -859,7 +859,7 @@ def rename_categories(self, new_categories, inplace=False):
            * callable : a callable that is called on all items in the old
              categories and whose return values comprise the new categories.
 
-             .. versionadded:: 0.22.0
+             .. versionadded:: 0.23.0
 
            .. warning::
 

pandas/core/frame.py

@@ -200,7 +200,7 @@
 Notes
 -----
 Support for specifying index levels as the `on`, `left_on`, and
-`right_on` parameters was added in version 0.22.0
+`right_on` parameters was added in version 0.23.0
 
 Examples
 --------
@@ -5094,7 +5094,7 @@ def join(self, other, on=None, how='left', lsuffix='', rsuffix='',
         of DataFrame objects
 
         Support for specifying index levels as the `on` parameter was added
-        in version 0.22.0
+        in version 0.23.0
 
         Examples
         --------

pandas/core/generic.py

@@ -1692,7 +1692,7 @@ def to_json(self, path_or_buf=None, orient=None, date_format=None,
             including the index (``index=False``) is only supported when
             orient is 'split' or 'table'.
 
-            .. versionadded:: 0.22.0
+            .. versionadded:: 0.23.0
 
         Returns
         -------

pandas/core/indexes/base.py

@@ -3785,7 +3785,7 @@ def drop(self, labels, errors='raise'):
         level : int or str, optional, default None
             Only return values from specified level (for MultiIndex)
 
-            .. versionadded:: 0.22.0
+            .. versionadded:: 0.23.0
 
         Returns
         -------

pandas/core/indexes/interval.py

@@ -554,7 +554,7 @@ def to_tuples(self, na_tuple=True):
             Returns NA as a tuple if True, ``(nan, nan)``, or just as the NA
             value itself if False, ``nan``.
 
-            ..versionadded:: 0.22.0
+            ..versionadded:: 0.23.0
 
         Examples
         --------

pandas/core/reshape/melt.py

@@ -200,7 +200,7 @@ def wide_to_long(df, stubnames, i, j, sep="", suffix=r'\d+'):
 
         .. versionadded:: 0.20.0
 
-        .. versionchanged:: 0.22.0
+        .. versionchanged:: 0.23.0
             When all suffixes are numeric, they are cast to int64/float64.
 
     Returns

pandas/core/reshape/reshape.py

@@ -731,7 +731,7 @@ def get_dummies(data, prefix=None, prefix_sep='_', dummy_na=False,
     dtype : dtype, default np.uint8
         Data type for new columns. Only a single dtype is allowed.
 
-        .. versionadded:: 0.22.0
+        .. versionadded:: 0.23.0
 
     Returns
     -------

pandas/core/tools/datetimes.py

@@ -184,7 +184,7 @@ def to_datetime(arg, errors='raise', dayfirst=False, yearfirst=False,
         conversion. May produce sigificant speed-up when parsing duplicate date
         strings, especially ones with timezone offsets.
 
-        .. versionadded:: 0.22.0
+        .. versionadded:: 0.23.0
 
     Returns
     -------