Any upcoming updates that will make this player compatible with WordPress 3.4?

I have tested on WordPress 3.4.1.

Its working fine for me

http://blog.svnlabs.com/work/wordpress-3-4-1/

If you are checking here http://wordpress.org/extend/plugins/html5-mp3-player-with-playlist/installation/

Free plugin is old .. new one is compatible with WordPress 3.4.1.

http://blog.svnlabs.com/work/wordpress-3-4-1/

Posted in: HTML5, Joomla, WordPress