Add release note for GL #3327

diff --git a/doc/notes/notes-9.18.4.rst b/doc/notes/notes-9.18.4.rst
index ab1be916c38aadcc51deda0ec534f331c5cb3fa5..12429c4a78452dfc21f2060945028221fae86ec3 100644 (file)
--- a/doc/notes/notes-9.18.4.rst
+++ b/doc/notes/notes-9.18.4.rst
@@ -22,6 +22,12 @@ Feature Changes
 Bug Fixes
 ~~~~~~~~~
 
+- The ``fetches-per-server`` quota is designed to adjust itself downward
+  automatically when an authoritative server times out too frequently.
+  Due to a coding error, that adjustment was applied incorrectly, so
+  that the quota for a congested server was always set to 1. This has
+  been fixed. :gl:`#3327`
+
 - DNSSEC-signed catalog zones were not being processed correctly. This
   has been fixed. :gl:`#3380`