diff --git a/en_US/cloud/cloud-changelog.md b/en_US/cloud/cloud-changelog.md
index acd68a81..d73cd0d0 100644
--- a/en_US/cloud/cloud-changelog.md
+++ b/en_US/cloud/cloud-changelog.md
@@ -1,3 +1,9 @@
 # Release Notes of iRedMail Cloud Platform
 
-* iRedMail Cloud Platform is still in beta stage.
+## Changes in upcoming release (20181201)
+
+* Add rc script and firewall rule for ipv6 on Debian/Ubuntu:
+    - /etc/init.d/ip6tables
+    - /etc/default/ip6tables
+
+* OpenLDAP backend: Index attribute `departmentNumber`.
diff --git a/html/cloud-changelog.html b/html/cloud-changelog.html
index 11dddc73..b4528e80 100644
--- a/html/cloud-changelog.html
+++ b/html/cloud-changelog.html
@@ -16,8 +16,18 @@
         <span>iRedMail</span>
     </a>
     &nbsp;&nbsp;//&nbsp;&nbsp;<a href="./index.html">Document Index</a></div><h1 id="release-notes-of-iredmail-cloud-platform">Release Notes of iRedMail Cloud Platform</h1>
+<h2 id="changes-in-upcoming-release-20181201">Changes in upcoming release (20181201)</h2>
 <ul>
-<li>iRedMail Cloud Platform is still in beta stage.</li>
+<li>
+<p>Add rc script and firewall rule for ipv6 on Debian/Ubuntu:</p>
+<ul>
+<li>/etc/init.d/ip6tables</li>
+<li>/etc/default/ip6tables</li>
+</ul>
+</li>
+<li>
+<p>OpenLDAP backend: Index attribute <code>departmentNumber</code>.</p>
+</li>
 </ul><div class="footer">
     <p style="text-align: center; color: grey;">All documents are available in <a href="https://bitbucket.org/zhb/iredmail-docs/src">BitBucket repository</a>, and published under <a href="http://creativecommons.org/licenses/by-nd/3.0/us/" target="_blank">Creative Commons</a> license. You can <a href="https://bitbucket.org/zhb/iredmail-docs/get/tip.tar.bz2">download the latest version</a> for offline reading. If you found something wrong, please do <a href="https://www.iredmail.org/contact.html">contact us</a> to fix it.</p>
 </div>