diff --git a/RELEASE_NOTES.rst b/RELEASE_NOTES.rst
index e3bab5ca1..b940b91ba 100644
--- a/RELEASE_NOTES.rst
+++ b/RELEASE_NOTES.rst
@@ -6,7 +6,9 @@ Release notes
 ARTIQ-9 (Unreleased)
 --------------------
 
-* Zadig Driver Installer was added to the MSYS2 offline installer.
+* afws_client now uses the "happy eyeballs" algorithm (RFC 6555) for a faster and more
+  reliable connection to the server.
+* The Zadig driver installer was added to the MSYS2 offline installer.
 
 ARTIQ-8
 -------