Added RN 10.3.1

Author: dmpgpro

doc/src/sgml/release-proee-10.sgml

@@ -1,4 +1,43 @@
 <!-- doc/src/sgml/release-proee-10.sgml -->
+<sect1 id="release-proee-10-3-1">
+<title>&productname; 10.3.1</title>
+  <formalpara>
+    <title>Release date:</title>
+    <para>2018-03-02</para>
+  </formalpara>
+  <sect2>
+    <title>Overview</title>
+    <para>This release is based on <productname>Postgres Pro Standard</productname> 10.2.1
+      and <productname>Postgres Pro Enterprise</productname> 10.2.1.
+      As compared with <productname>Postgres Pro Enterprise</productname> 10.2.1,
+      this version provides the following changes:</para>
+    <itemizedlist>
+      <listitem>
+        <para>Added <application>referee</application> extension.</para>
+        <!-- 156b39151025997de4c5fff21449abc96818dc45 -->
+      </listitem>
+      <listitem>
+        <para>Excluded the <application>multimaster</application> extension from Windows builds.</para>
+        <!-- f5fc52d7c9365c34f67d3d13ea2e2b2c1a5101ac -->
+      </listitem>
+    </itemizedlist>
+  </sect2>
+  <sect2>
+    <title>Migration to Version 10.3.1</title>
+
+    <para>If you are upgrading from a <productname>Postgres Pro Enterprise</productname> version
+      based on the same <productname>PostgreSQL</productname> major release,
+      it is enough to install the new version into your current installation directory.
+      </para>
+    <para>To migrate from <productname>PostgreSQL</productname>,
+      <productname>Postgres Pro</productname>, or
+      <productname>Postgres Pro Enterprise</productname> versions based on
+      any previous <productname>PostgreSQL</productname> major release, see the instructions
+      in <link linkend="release-proee-10-2-1">Postgres Pro 10.2.1 Release Notes</link>.
+    </para>
+
+  </sect2>
+</sect1>
 <sect1 id="release-proee-10-2-1">
 <title>&productname; 10.2.1</title>
   <formalpara>