Add NEWS entry for issue #19834.
diff --git a/Misc/NEWS b/Misc/NEWS
index 845a4b0..1af0788 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -18,6 +18,8 @@
 Library
 -------
 
+- Issue #19834: Support unpickling of exceptions pickled by Python 2.
+
 - Issue #15798: Fixed subprocess.Popen() to no longer fail if file
   descriptor 0, 1 or 2 is closed.