diff --git a/CHANGES b/CHANGES
index 128da21376..49802fcf80 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,14 @@
+5317.	[func]		A new asynchronous network communications system
+			based on libuv is now used for listening for
+			incoming requests and responding to them. (The
+			old isc_socket API remains in use for sending
+			iterative queries and processing responses; this
+			will be changed too in a later release.)
+
+			This change will make it easier to improve
+			performance and implement new protocol layers
+			(e.g., DNS over TLS) in the future. [GL #29]
+
 5316.	[func]		A new "dnssec-policy" option has been added to
 			named.conf to implement a key and signing policy
 			(KASP) for zones. When this option is in use,
diff --git a/README.md b/README.md
index 9bd13231c7..8d371e40c3 100644
--- a/README.md
+++ b/README.md
@@ -129,8 +129,9 @@ include:
 
 * New "dnssec-policy" statement to configure a key and signing policy
   for zones, enabling automatic key regeneration and rollover.
+* A new network manager based on libuv.
 * Support for the new GeoIP2 geolocation API
-* Improved DNSSEC key configuration using `dnssec-keys`
+* Improved DNSSEC trust anchor configuration using `dnssec-keys`
 * YAML output for `dig`, `mdig`, and `delv`.
 
 ### <a name="build"/> Building BIND
diff --git a/doc/arm/notes-feature-changes.xml b/doc/arm/notes-feature-changes.xml
index f5ae078e88..f88b499fda 100644
--- a/doc/arm/notes-feature-changes.xml
+++ b/doc/arm/notes-feature-changes.xml
@@ -11,6 +11,16 @@
 
 <section xml:id="relnotes_changes"><info><title>Feature Changes</title></info>
   <itemizedlist>
+    <listitem>
+      <para>
+	A new asynchronous network communications system based on
+	<command>libuv</command> is now used by <command>named</command>
+	for listening for incoming requests and responding to them.
+	This change will make it easier to improve performance and
+	implement new protocol layers (for example, DNS over TLS) in
+	the future. [GL #29]
+      </para>
+    </listitem>
     <listitem>
       <para>
         <command>named</command> will now log a warning if