Add release note for [GL #2275]

(cherry picked from commit d0dd71380b137e0beb7a77c7e76968d5d1e67dd4)

diff --git a/doc/arm/notes-9.11.26.xml b/doc/arm/notes-9.11.26.xml
index 7007ecad3eeda87154fed0d836cf24400d812480..ac3b1d07ae02ea5f38c728fb84f9f81f42d48a56 100644 (file)
--- a/doc/arm/notes-9.11.26.xml
+++ b/doc/arm/notes-9.11.26.xml
@@ -65,7 +65,8 @@
     <itemizedlist>
       <listitem>
         <para>
-          None.
+          Tighten handling of missing DNS COOKIE responses over UDP by
+          falling back to TCP. [GL #2275]
         </para>
       </listitem>
     </itemizedlist>