Joomla! Documentation™

Joomla! 

≥ 3.4.2

In Joomla 3.4.2 and 3.4.3 some JavaScript files were updated which causes an error with browser caching.

Errors reported

Duplicate information shown in the Maintenance section in the Backend.

http://issues.joomla.org/tracker/joomla-cms/7143
http://issues.joomla.org/tracker/joomla-cms/7275

Versions affected

General Information

What is the cause

JavaScript files were updated and the browser cache has not been cleaned causing a temporarily incorrect display.

How to fix

Apply the patch https://github.com/joomla/joomla-cms/pull/7323.diff and clean your Browser and Joomla Cache.
This fix will be included in 3.4.4.