diff --git a/doc/src/sgml/release-13.sgml b/doc/src/sgml/release-13.sgml
index 0ca970e452..8fbaff4623 100644
--- a/doc/src/sgml/release-13.sgml
+++ b/doc/src/sgml/release-13.sgml
@@ -324,6 +324,19 @@ Author: Peter Geoghegan <pg@bowt.ie>
      </para>
     </listitem>
 
+    <listitem>
+<!--
+Author: Tom Lane <tgl@sss.pgh.pa.us>
+2020-02-19 [70a773200] Remove support for upgrading extensions from "unpackaged
+-->
+
+     <para>
+      Remove support for <link linkend="sql-createextension"><command>CREATE
+      EXTENSION ... FROM</command></link>
+      (Tom Lane)
+     </para>
+    </listitem>
+
    </itemizedlist>
 
   </sect2>