diff --git a/CHANGES b/CHANGES
index 54a2784082..1c33528f4c 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,6 @@
+6114.	[func]		Run the catalog zone update process on the offload
+			threads. [GL #3881]
+
 6113.	[func]		Add shutdown signaling for catalog zones. [GL !7571]
 
 6112.	[func]		Add reference count tracing for dns_catz_zone_t and
diff --git a/doc/notes/notes-current.rst b/doc/notes/notes-current.rst
index af1d4162d2..c6394d0d21 100644
--- a/doc/notes/notes-current.rst
+++ b/doc/notes/notes-current.rst
@@ -61,6 +61,12 @@ Feature Changes
   failure when receiving multiple UDP messages in a single system call.
   :gl:`#3840`
 
+- Run catalog zone updates on the specialized "offload" threads to reduce the
+  amount of time they block query processing on the main networking
+  threads. This should increase the responsiveness of :iscman:`named`
+  when catalog zone updates are being applied after a catalog zone has been
+  successfully transferred. :gl:`#3881`
+
 Bug Fixes
 ~~~~~~~~~