add fix description to 1.3.3 whatsnew.

AlexeyGy · AlexeyGy · commit 995a428be39e · 2021-09-11T22:28:02.000Z
diff --git a/doc/source/whatsnew/v1.3.3.rst b/doc/source/whatsnew/v1.3.3.rst
@@ -49,6 +49,7 @@ Performance improvements
 Bug fixes
 ~~~~~~~~~
 - Bug in :meth:`.DataFrameGroupBy.agg` and :meth:`.DataFrameGroupBy.transform` with ``engine="numba"`` where ``index`` data was not being correctly passed into ``func`` (:issue:`43133`)
+- :meth:`.GroupBy.mean` now supports ``NaT`` values (:issue:`43132`)
 -
 
 .. ---------------------------------------------------------------------------

Original file line number	Diff line number	Diff line change
`@@ -49,6 +49,7 @@ Performance improvements`
`49`	`49`	`Bug fixes`
`50`	`50`	`~~~~~~~~~`
`51`	`51`	- Bug in :meth:`.DataFrameGroupBy.agg` and :meth:`.DataFrameGroupBy.transform` with ``engine="numba"`` where ``index`` data was not being correctly passed into ``func`` (:issue:`43133`)
	`52`	+- :meth:`.GroupBy.mean` now supports ``NaT`` values (:issue:`43132`)
`52`	`53`	`-`
`53`	`54`
`54`	`55`	`.. ---------------------------------------------------------------------------`