May 22, 2016 · Jun 6, 2017 · Jun 6, 2017
diff --git a/doc/api/api_changes/2017-06-06-no_share_across_figures.rst b/doc/api/api_changes/2017-06-06-no_share_across_figures.rst
 Axis-sharing between figures is blocked
 ```````````````````````````````````````

 An attempt to share an axis between ``Axes`` objects in different
 figures will now raise a ValueError.  Previously such sharing
 was allowed but could lead to an endless loop when combined
 with fixed aspect ratios, as in the case of ``imshow``, for
 example.
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,8 @@
		Axis-sharing between figures is blocked
		```````````````````````````````````````

		An attempt to share an axis between ``Axes`` objects in different
		figures will now raise a ValueError. Previously such sharing
		was allowed but could lead to an endless loop when combined
		with fixed aspect ratios, as in the case of ``imshow``, for
		example.