Whats new entry for constrained_layout

jklymak · jklymak · commit 41abaa5d477c · 2020-04-11T11:54:18.000-07:00
diff --git a/doc/users/next_whats_new/2020-04-11-constrainedlayout-not-exp.rst b/doc/users/next_whats_new/2020-04-11-constrainedlayout-not-exp.rst
@@ -0,0 +1,7 @@
+Constrained layout is no longer marked as experimental
+------------------------------------------------------
+
+The *constrained_layout* option for figures and gridspecs was introduced
+in Matplotlib 2.2, and is no longer considered experimental.  For an
+overview of the feature, please see
+:doc:`/tutorials/intermediate/constrainedlayout_guide`.
