diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index 9d8fd2b..2c6cb5a 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -125,6 +125,11 @@
 			<li class="reactor">Added <samp>insert_batch()</samp> function to the PostgreSQL database driver.  Thanks to epallerols for the patch.</li>
 			<li class="reactor">Added "application/x-csv" to mimes.php.</li>
 			<li>Fixed a bug where <a href="libraries/email.html">Email library</a> attachments with a "." in the name would using invalid MIME-types.</li>
+            <li>Added support for pem,p10,p12,p7a,p7c,p7m,p7r,p7s,crt,crl,der,kdb,rsa,cer,sst,csr Certs to mimes.php.</li>
+            <li>Added support pgp,gpg to mimes.php.</li>
+            <li>Added support 3gp, 3g2, mp4, wmv, f4v, vlc Video files to mimes.php.</li>
+            <li>Added support m4a, aac, m4u, xspf, au, ac3, flac, ogg Audio files to mimes.php.</li>
+
 		</ul>
 	</li>
 	<li>Helpers