Rebase and move whatsnew note

Author: mroeschke

doc/source/whatsnew/v0.21.0.txt

@@ -1047,7 +1047,6 @@ Conversion
 - Bug in :meth:`~DataFrame.astype` converting to object dtype when passed extension type classes (`DatetimeTZDtype``, ``CategoricalDtype``) rather than instances. Now a ``TypeError`` is raised when a class is passed (:issue:`17780`).
 - Bug in :meth:`to_numeric` in which elements were not always being coerced to numeric when ``errors='coerce'`` (:issue:`17007`, :issue:`17125`)
 - Bug in ``DataFrame`` and ``Series`` constructors where ``range`` objects are converted to ``int32`` dtype on Windows instead of ``int64`` (:issue:`16804`)
-- Bug in localization of a naive, datetime string in a ``Series`` constructor with a ``datetime[ns, timezone]`` dtype (:issue:`174151`)
 
 Indexing
 ^^^^^^^^

doc/source/whatsnew/v0.21.1.txt

@@ -64,6 +64,7 @@ Conversion
 - Bug in :class:`DatetimeIndex` subtracting datetimelike from DatetimeIndex could fail to overflow (:issue:`18020`)
 - Bug in :meth:`IntervalIndex.copy` when copying and ``IntervalIndex`` with non-default ``closed`` (:issue:`18339`)
 - Bug in :func:`DataFrame.to_dict` where columns of datetime that are tz-aware were not converted to required arrays when used with ``orient='records'``, raising``TypeError` (:issue:`18372`)
+- Bug in localization of a naive, datetime string in a ``Series`` constructor with a ``datetime[ns, timezone]`` dtype (:issue:`174151`)
 -
 -