Issue #5506: BytesIO objects now have a getbuffer() method exporting a
view of their contents without duplicating them.  The view is both readable
and writable.
diff --git a/Misc/NEWS b/Misc/NEWS
index 1ac1dec..a64f694 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -13,6 +13,10 @@
 Library
 -------
 
+- Issue #5506: BytesIO objects now have a getbuffer() method exporting a
+  view of their contents without duplicating them.  The view is both readable
+  and writable.
+
 - Issue #7566: Implement os.path.sameopenfile for Windows.
 
 - Issue #9293: I/O streams now raise ``io.UnsupportedOperation`` when an