Added build related changes to version history.
diff --git a/src/manual/en_US/book.xml b/src/manual/en_US/book.xml
index 01b21b6..a8ea38e 100644
--- a/src/manual/en_US/book.xml
+++ b/src/manual/en_US/book.xml
@@ -29558,6 +29558,27 @@
<literal>NonNamespaceException</literal> with proper helpful
message.</para>
</listitem>
+
+ <listitem>
+ <para>Build changes:</para>
+
+ <itemizedlist>
+ <listitem>
+ <para>Simplified the way Ivy is used. No need to upgrade
+ dependencies manually anymore.</para>
+ </listitem>
+
+ <listitem>
+ <para>Test suite is now ran on ARM as well on CI
+ (Travis).</para>
+ </listitem>
+
+ <listitem>
+ <para>Docgen is now a Maven dependency, although still from
+ Apache snapshot repo.</para>
+ </listitem>
+ </itemizedlist>
+ </listitem>
</itemizedlist>
</section>
</section>
