Bug #1566280: Explicitly invoke threading._shutdown from Py_Main,
to avoid relying on atexit.
diff --git a/Misc/NEWS b/Misc/NEWS
index aab3e43..74af3e4 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -12,6 +12,9 @@
 Core and builtins
 -----------------
 
+- Bug #1566280: Explicitly invoke threading._shutdown from Py_Main,
+  to avoid relying on atexit.
+
 - Bug #1590891: random.randrange don't return correct value for big number
 
 - Bug #1456209: In some obscure cases it was possible for a class with a