I just did, and what a bunch of fun it was!
Running WP 3.6 with Atahulpa 3.6 displayed this message at the login screen.
Notice: wp_register_script was called incorrectly. Scripts and styles should not be registered or enqueued until the wp_enqueue_scripts, admin_enqueue_scripts, or login_enqueue_scripts hooks. Please see Debugging in WordPress for more information. (This message was added in version 3.3.) in /home/goddesso/public_html/wp-includes/functions.php on line 3012
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