The following admin views have not been converted to use draggable for sorting so the sorting is currently broken
index.php?option=com_languages&view=languages
index.php?option=com_users&view=levels
index.php?option=com_content&view=featured
However before fixing I can't see the value/use case in sorting for language and levels - am I missing something or is it not needed
[UPDATED]
It appears even where we have draggable that we have an issue saving the ordering with a 500 error
administrator/index.php?option=com_content&task=articles.saveOrderAjax&tmpl=component
Updated original post