--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -11,6 +11,10 @@
 
 Core and builtins
 -----------------
+
+- Issue #4469: Prevent expandtabs() on string and unicode 
+  objects from causing a segfault when a large width is passed 
+  on 32-bit platforms.
 
 - Issue #4317: Fixed a crash in the imageop.rgb2rgb8() function.