enhancements. Below is a list of the most notable changes:</p>
<ul>
- <li>Reworked and cleaned up client-side TabSheet and Accordion</li>
- </ul>
-
- </p>
+ <li>Updated POMs to use HTTPS URLs instead of HTTP</li>
+ <li>Updated Atmosphere version for security</li>
+ <li>Updated commons-io, commons-cli, commons-codec and hsqldb to latest stable versions</li>
+ <li>Updated animal sniffer for build stability</li>
+ <li>Introduced Maven Flatten plugin for cleaner shipped POMs</li>
+ <li>Added a development-time warning message to the logs to notify users that this is an
+ unmaintained release.</li>
+ </ul>
<p>
For enhancements introduced in Vaadin Framework 8.13, see the <a