diff --git a/HISTORY b/HISTORY
index deaaf0d2..91f2f8c5 100644
--- a/HISTORY
+++ b/HISTORY
@@ -1,4 +1,4 @@
-4.3     2019-??
+4.3     2019-04-02
         repmgr: add "daemon (start|stop)" command; GitHub #528 (Ian)
         repmgr: add --version-number command line option (Ian)
         repmgr: add --compact option to "cluster show"; GitHub #521 (Ian)
diff --git a/doc/appendix-release-notes.sgml b/doc/appendix-release-notes.sgml
index f51fddce..73d2bcc9 100644
--- a/doc/appendix-release-notes.sgml
+++ b/doc/appendix-release-notes.sgml
@@ -17,10 +17,20 @@
 
   <sect1 id="release-4.3">
     <title>Release 4.3</title>
-    <para><emphasis>Mar ???, 2019</emphasis></para>
+    <para><emphasis>Tue April 2, 2019</emphasis></para>
     <para>
       &repmgr; 4.3 is a major release.
     </para>
+    <para>
+      For details on how to upgrade an existing &repmgr; instrallation, see
+      documentation section <link linkend="upgrading-major-version">Upgrading a major version release</link>.
+    </para>
+    <para>
+      As a PostgreSQL restart <emphasis>is</emphasis> required, we
+      suggest combining this &repmgr; upgrade with the next PostgreSQL
+      minor release, which will require a PostgreSQL restart in any case.
+    </para>
+
 
 	<important>
 	  <para>