Does not work on WordPress 3.9-RC2

I just tried the plug-in on WordPress 3.9-RC2 andcould nou find any way to load an image from my media library. Also the Upload button does not work.
I thought that you might appreciate a heads up.
Errors in the Firebug console:

Error in parsing value for 'background'.  Declaration dropped. mediaelementplayer.min.css:1
Unknown property 'box-sizing'.  Declaration dropped. mediaelementplayer.min.css:1
Unknown property '-moz-border-radius'.  Declaration dropped. mediaelementplayer.min.css:1
Error in parsing value for 'background-image'.  Declaration dropped. mediaelementplayer.min.css:1
Unknown property '-moz-background-size'.  Declaration dropped. mediaelementplayer.min.css:1
Expected 'none' or URL but found 'progid'.  Error in parsing value for 'filter'.  Declaration dropped. mediaelementplayer.min.css:1
Unknown pseudo-class or pseudo-element '-webkit-input-placeholder'.  Ruleset ignored due to bad selector. colors.min.css:1
Unknown pseudo-class or pseudo-element '-ms-input-placeholder'.  Ruleset ignored due to bad selector. colors.min.css:1
Unknown property 'box-sizing'.  Declaration dropped. options-general.php
Error: bindAll must be passed function names load-scripts.php:10
TypeError: e is undefined

https://ww.wp.xz.cn/plugins/uber-login-logo/