Add CHANGES note

diff --git a/CHANGES b/CHANGES
index b3f5d4ad8a4111d595d2e4c45f07d59a7efbaf76..035116d0891f2274c6f18636adfe6e2469ff3bd6 100644 (file)
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,7 @@
+5264.  [func]          New DNS Cookie algorithm - siphash24 - has been added to
+                       BIND 9, and the old HMAC-SHA DNS Cookie algorithms have
+                       been removed. [GL #605]
+
        --- 9.15.2 released ---
 
 5263.  [cleanup]       Use atomics and isc_refcount_t wherever possible.