Issue #5308: Raise ValueError when marshalling too large object (a sequence
with size >= 2**31), instead of producing illegal marshal data.
diff --git a/Misc/NEWS b/Misc/NEWS
index 847ccf9..b7d044a 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -9,6 +9,9 @@
 Core and Builtins
 -----------------
 
+- Issue #5308: Raise ValueError when marshalling too large object (a sequence
+  with size >= 2**31), instead of producing illegal marshal data.
+
 - Issue #17043: The unicode-internal decoder no longer read past the end of
   input buffer.