add release notes

Author: Moritz Schreiber

doc/source/whatsnew/v1.4.1.rst

@@ -0,0 +1,56 @@
+.. _whatsnew_141:
+
+What's new in 1.4.1 (February ??, 2022)
+---------------------------------------
+
+These are the changes in pandas 1.4.1. See :ref:`release` for a full changelog
+including other versions of pandas.
+
+{{ header }}
+
+.. ---------------------------------------------------------------------------
+
+.. _whatsnew_141.regressions:
+
+Fixed regressions
+~~~~~~~~~~~~~~~~~
+- Regression in :meth:`Series.mask` with ``inplace=True`` and ``PeriodDtype`` and an incompatible ``other`` coercing to a common dtype instead of raising (:issue:`45546`)
+- Regression in :meth:`DataFrame.loc.__setitem__` losing :class:`Index` name if :class:`DataFrame` was empty before (:issue:`45621`)
+-
+
+.. ---------------------------------------------------------------------------
+
+.. _whatsnew_141.bug_fixes:
+
+Bug fixes
+~~~~~~~~~
+- Fixed segfault in :meth:``DataFrame.to_json`` when dumping tz-aware datetimes in Python 3.10 (:issue:`42130`)
+-
+
+.. ---------------------------------------------------------------------------
+
+.. _whatsnew_141.plotting:
+
+Plotting
+^^^^^^^^
+- The function :meth:`DataFrame.scatter` now accepts ``color`` as an alias for ``c`` and ``size`` as an alias for ``s`` for consistency to other plotting functions (:issue:`44670`, :issue:`44856`)
+-
+
+.. ---------------------------------------------------------------------------
+
+.. _whatsnew_141.other:
+
+
+Other
+~~~~~
+- Reverted performance speedup of :meth:`DataFrame.corr` for ``method=pearson`` to fix precision regression (:issue:`45640`, :issue:`42761`)
+-
+
+.. ---------------------------------------------------------------------------
+
+.. _whatsnew_141.contributors:
+
+Contributors
+~~~~~~~~~~~~
+
+.. contributors:: v1.4.0..v1.4.1|HEAD

pandas/plotting/_core.py

@@ -1614,6 +1614,11 @@ def scatter(self, x, y, s=None, c=None, **kwargs):
 
               .. versionchanged:: 1.1.0
 
+        size : str, int or array-like, optional
+                The color of each point. Alias for `s`.
+                `s` and `size` aren't allowed at the same time.
+                .. versionadded:: 1.4.1
+
         c : str, int or array-like, optional
             The color of each point. Possible values are:
 
@@ -1628,15 +1633,12 @@ def scatter(self, x, y, s=None, c=None, **kwargs):
             - A column name or position whose values will be used to color the
               marker points according to a colormap.
 
+        color : str, int or array-like, optional
+                The color of each point. Alias for `c`.
+                `c` and `color` aren't allowed at the same time.
+                .. versionadded:: 1.4.1
+
         **kwargs
-            size : str, int or array-like, optional
-                    The color of each point. Alias for `s`.
-                    `s` and `size` aren't allowed at the same time.
-                    .. versionadded:: 1.4.1
-            color : str, int or array-like, optional
-                    The color of each point. Alias for `c`.
-                    `c` and `color` aren't allowed at the same time.
-                    .. versionadded:: 1.4.1
             Keyword arguments to pass on to :meth:`DataFrame.plot`.
 
         Returns