1 files changed, 3 insertions, 0 deletions

diff --git a/Misc/NEWS b/Misc/NEWS
index 3eef15a..bdcfebf 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -91,6 +91,9 @@ Core and Builtins
 Library
 -------
 
+- Issue #26560: Avoid potential ValueError in BaseHandler.start_response.
+  Initial patch by Peter Inglesby.
+
 - Issue #26313: ssl.py _load_windows_store_certs fails if windows cert store
   is empty. Patch by Baji.