changed redirect() to only force site_url() when the supplied URL doesn't start with an http protocol, allowing you to use the helper for external URLs.
diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index 7a26cb3..48f3567 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -84,6 +84,7 @@
<li>Added a doctype() function to the <a href="helpers/html_helper.html">HTML helper</a>.</li>
<li>Added ability to force lowercase for <kbd>url_title()</kbd> in the <a href="helpers/url_helper.html">URL helper</a>.</li>
<li>Changed the default "type" of <kbd>form_button()</kbd> to "button" from "submit" in the <a href="helpers/form_helper.html">form helper</a>.</li>
+ <li>Changed redirect() in the URL helper to allow redirections to URLs outside of the CI site.</li>
</ul>
</li>
<li>Other Changes