Adding the 2.3.27 release to the download section.
diff --git a/src/main/docgen/book.xml b/src/main/docgen/book.xml
index c39fdc6..24be44a 100644
--- a/src/main/docgen/book.xml
+++ b/src/main/docgen/book.xml
@@ -7,9 +7,9 @@
   to you under the Apache License, Version 2.0 (the
   "License"); you may not use this file except in compliance
   with the License.  You may obtain a copy of the License at
-  
+
     http://www.apache.org/licenses/LICENSE-2.0
-  
+
   Unless required by applicable law or agreed to in writing,
   software distributed under the License is distributed on an
   "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
@@ -173,9 +173,9 @@
     since 2.3.24.</para>
 
     <simplesect>
-      <title>Latest stable release: 2.3.26-incubating</title>
+      <title>Latest stable release: 2.3.27-incubating</title>
 
-      <para>Released on 2017-03-25. Requires J2SE 1.5 or higher.</para>
+      <para>Released on 2017-11-03. Requires J2SE 1.5 or higher.</para>
 
       <para><emphasis role="bold">This is a stable, final release.</emphasis>
       The <quote>incubating</quote> suffix is required by the Apache Software
@@ -194,25 +194,25 @@
       <itemizedlist>
         <listitem>
           <para><link
-          xlink:href="http://www.apache.org/dyn/closer.cgi/incubator/freemarker/engine/2.3.26-incubating/binaries/apache-freemarker-2.3.26-incubating-bin.tar.gz">Binary
+          xlink:href="http://www.apache.org/dyn/closer.cgi/incubator/freemarker/engine/2.3.27-incubating/binaries/apache-freemarker-2.3.27-incubating-bin.tar.gz">Binary
           release (tar.gz)</link> (includes <literal>freemarker.jar</literal>
           and documentation) [<link
-          xlink:href="https://www.apache.org/dist/incubator/freemarker/engine/2.3.26-incubating/binaries/apache-freemarker-2.3.26-incubating-bin.tar.gz.md5">MD5</link>]
+          xlink:href="https://www.apache.org/dist/incubator/freemarker/engine/2.3.27-incubating/binaries/apache-freemarker-2.3.27-incubating-bin.tar.gz.md5">MD5</link>]
           [<link
-          xlink:href="https://www.apache.org/dist/incubator/freemarker/engine/2.3.26-incubating/binaries/apache-freemarker-2.3.26-incubating-bin.tar.gz.sha512">SHA512</link>]
+          xlink:href="https://www.apache.org/dist/incubator/freemarker/engine/2.3.27-incubating/binaries/apache-freemarker-2.3.27-incubating-bin.tar.gz.sha512">SHA512</link>]
           [<link
-          xlink:href="https://www.apache.org/dist/incubator/freemarker/engine/2.3.26-incubating/binaries/apache-freemarker-2.3.26-incubating-bin.tar.gz.asc">ASC</link>]</para>
+          xlink:href="https://www.apache.org/dist/incubator/freemarker/engine/2.3.27-incubating/binaries/apache-freemarker-2.3.27-incubating-bin.tar.gz.asc">ASC</link>]</para>
         </listitem>
 
         <listitem>
           <para><link
-          xlink:href="http://www.apache.org/dyn/closer.cgi/incubator/freemarker/engine/2.3.26-incubating/source/apache-freemarker-2.3.26-incubating-src.tar.gz">Source
+          xlink:href="http://www.apache.org/dyn/closer.cgi/incubator/freemarker/engine/2.3.27-incubating/source/apache-freemarker-2.3.27-incubating-src.tar.gz">Source
           release (tar.gz)</link> [<link
-          xlink:href="https://www.apache.org/dist/incubator/freemarker/engine/2.3.26-incubating/source/apache-freemarker-2.3.26-incubating-src.tar.gz.md5">MD5</link>]
+          xlink:href="https://www.apache.org/dist/incubator/freemarker/engine/2.3.27-incubating/source/apache-freemarker-2.3.27-incubating-src.tar.gz.md5">MD5</link>]
           [<link
-          xlink:href="https://www.apache.org/dist/incubator/freemarker/engine/2.3.26-incubating/source/apache-freemarker-2.3.26-incubating-src.tar.gz.sha512">SHA512</link>]
+          xlink:href="https://www.apache.org/dist/incubator/freemarker/engine/2.3.27-incubating/source/apache-freemarker-2.3.27-incubating-src.tar.gz.sha512">SHA512</link>]
           [<link
-          xlink:href="https://www.apache.org/dist/incubator/freemarker/engine/2.3.26-incubating/source/apache-freemarker-2.3.26-incubating-src.tar.gz.asc">ASC</link>]</para>
+          xlink:href="https://www.apache.org/dist/incubator/freemarker/engine/2.3.27-incubating/source/apache-freemarker-2.3.27-incubating-src.tar.gz.asc">ASC</link>]</para>
         </listitem>
       </itemizedlist>
 
@@ -226,7 +226,7 @@
 &lt;dependency&gt;
   &lt;groupId&gt;org.freemarker&lt;/groupId&gt;
   &lt;artifactId&gt;freemarker&lt;/artifactId&gt;
-  &lt;version&gt;2.3.26-incubating&lt;/version&gt;
+  &lt;version&gt;2.3.27-incubating&lt;/version&gt;
 &lt;/dependency&gt;</programlisting>
 
       <note>
@@ -244,27 +244,27 @@
 
       <para>There's also a separate Google App Engine compatible
       (<quote>gae</quote>) variation. Download: <link
-      xlink:href="http://www.apache.org/dyn/closer.cgi/incubator/freemarker/engine/2.3.26-incubating/binaries/apache-freemarker-gae-2.3.26-incubating-bin.tar.gz">binary</link>
+      xlink:href="http://www.apache.org/dyn/closer.cgi/incubator/freemarker/engine/2.3.27-incubating/binaries/apache-freemarker-gae-2.3.27-incubating-bin.tar.gz">binary</link>
       [<link
-      xlink:href="https://www.apache.org/dist/incubator/freemarker/engine/2.3.26-incubating/binaries/apache-freemarker-gae-2.3.26-incubating-bin.tar.gz.md5">MD5</link>]
+      xlink:href="https://www.apache.org/dist/incubator/freemarker/engine/2.3.27-incubating/binaries/apache-freemarker-gae-2.3.27-incubating-bin.tar.gz.md5">MD5</link>]
       [<link
-      xlink:href="https://www.apache.org/dist/incubator/freemarker/engine/2.3.26-incubating/binaries/apache-freemarker-gae-2.3.26-incubating-bin.tar.gz.sha512">SHA512</link>]
+      xlink:href="https://www.apache.org/dist/incubator/freemarker/engine/2.3.27-incubating/binaries/apache-freemarker-gae-2.3.27-incubating-bin.tar.gz.sha512">SHA512</link>]
       [<link
-      xlink:href="https://www.apache.org/dist/incubator/freemarker/engine/2.3.26-incubating/binaries/apache-freemarker-gae-2.3.26-incubating-bin.tar.gz.asc">ASC</link>],
+      xlink:href="https://www.apache.org/dist/incubator/freemarker/engine/2.3.27-incubating/binaries/apache-freemarker-gae-2.3.27-incubating-bin.tar.gz.asc">ASC</link>],
       <link
-      xlink:href="http://www.apache.org/dyn/closer.cgi/incubator/freemarker/engine/2.3.26-incubating/source/apache-freemarker-gae-2.3.26-incubating-src.tar.gz">source</link>
+      xlink:href="http://www.apache.org/dyn/closer.cgi/incubator/freemarker/engine/2.3.27-incubating/source/apache-freemarker-gae-2.3.27-incubating-src.tar.gz">source</link>
       [<link
-      xlink:href="https://www.apache.org/dist/incubator/freemarker/engine/2.3.26-incubating/source/apache-freemarker-gae-2.3.26-incubating-src.tar.gz.md5">MD5</link>]
+      xlink:href="https://www.apache.org/dist/incubator/freemarker/engine/2.3.27-incubating/source/apache-freemarker-gae-2.3.27-incubating-src.tar.gz.md5">MD5</link>]
       [<link
-      xlink:href="https://www.apache.org/dist/incubator/freemarker/engine/2.3.26-incubating/source/apache-freemarker-gae-2.3.26-incubating-src.tar.gz.sha512">SHA512</link>]
+      xlink:href="https://www.apache.org/dist/incubator/freemarker/engine/2.3.27-incubating/source/apache-freemarker-gae-2.3.27-incubating-src.tar.gz.sha512">SHA512</link>]
       [<link
-      xlink:href="https://www.apache.org/dist/incubator/freemarker/engine/2.3.26-incubating/source/apache-freemarker-gae-2.3.26-incubating-src.tar.gz.asc">ASC</link>].
+      xlink:href="https://www.apache.org/dist/incubator/freemarker/engine/2.3.27-incubating/source/apache-freemarker-gae-2.3.27-incubating-src.tar.gz.asc">ASC</link>].
       Maven:</para>
 
       <programlisting language="XML" role="unspecified">&lt;dependency&gt;
   &lt;groupId&gt;org.freemarker&lt;/groupId&gt;
   &lt;artifactId&gt;freemarker-gae&lt;/artifactId&gt;
-  &lt;version&gt;2.3.26-incubating&lt;/version&gt;
+  &lt;version&gt;2.3.27-incubating&lt;/version&gt;
 &lt;/dependency&gt;</programlisting>
     </simplesect>