1 files changed, 2 insertions, 0 deletions
diff --git a/Misc/NEWS b/Misc/NEWS
index c71698f..4dfc347 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -13,6 +13,8 @@ Core and Builtins
 Library
 -------
 
+- Issue #20424: Python implementation of io.StringIO now supports lone surrogates.
+
 - Issue #20308: inspect.signature now works on classes without user-defined
   __init__ or __new__ methods.