User blog comment:DaNASCAT/Technical Update: December 16, 2014/@comment-452-20141216180016/@comment-11733175-20141217130015

I fixed it with: mw.loader.using( 'jquery.tablesorter', function {    var $tables = $( '.jquery-tablesorter' );    $tables.find( 'thead > tr > th' ).off( 'click' );    $tables.tablesorter; } ); It removes all the event handlers from sortable tables and then reattaches just one.