WordPress 3.5 Breaks Admin Dashboard Items




I recently updated one of my sites to WordPress to version 3.5 on a site that was running a minimal amount of plugins and a simple Woothemes template. While the site still displayed normally, a lot of admin menus and functionality seemed to be broken:

  • The Visual Editor didn’t display
  • The Add Media button didn’t do anything
  • The none of the sidebar menus displayed their child menus on hover
  • The “Select All” checkbox on post lists or the Plugins page did nothing

Of course, you always want to some quick steps to see if a plugin or theme is causing the problem:

  1. Deactivate your current theme and switch to the new Twenty Twelve theme
  2. Deactivate all plugins. If everything works, enable them one-by-one to find the culprit

WordPress-3.5Unfortunately, the 2 steps above did not solve my problem. It persisted. After more google searches and thanks to this post, I was able to put the line of code listed below in my wp_config.php file and the problem went away. That simple. Add this line of code to your wp_config.php file:

define('CONCATENATE_SCRIPTS', false );

I read other posts that changing define('WP_DEBUG', false); to define('WP_DEBUG', true); worked for others. For me, it did nothing.

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