adding whatsnew note

realead · realead · commit 5dcbb2abeec5 · 2021-07-30T17:04:54.000+02:00
diff --git a/doc/source/whatsnew/v1.4.0.rst b/doc/source/whatsnew/v1.4.0.rst
@@ -229,7 +229,7 @@ Indexing
 
 Missing
 ^^^^^^^
--
+- :meth:`Series.value_counts` and :meth:`Series.mode` no longer coerce ``None``, ``NaT`` and other null-values to a NaN-value for ``np.object``-dtype. This behavior is now consistent with ``unique``, ``isin`` and others (:issue:`42688`)
 -
 
 MultiIndex

Original file line number	Diff line number	Diff line change
`@@ -229,7 +229,7 @@ Indexing`
`229`	`229`
`230`	`230`	`Missing`
`231`	`231`	`^^^^^^^`
`232`		`--`
	`232`	+- :meth:`Series.value_counts` and :meth:`Series.mode` no longer coerce ``None``, ``NaT`` and other null-values to a NaN-value for ``np.object``-dtype. This behavior is now consistent with ``unique``, ``isin`` and others (:issue:`42688`)
`233`	`233`	`-`
`234`	`234`
`235`	`235`	`MultiIndex`