id,summary,reporter,owner,description,type,status,priority,milestone,component,version,severity,resolution,keywords,cc,focuses 45130,Defer jQuery WordPress Admin & Customizer doesn't work properly,remzicavdar,,"If I defer jQuery or put jQuery in the footer. I get Uncaught ReferenceError: jQuery is not defined errors in the WordPress Customizer and the Customizer doesn't work, like for example changing theme logo, adding widgets or other things directly possible in the page. When I remove defer, everything works as expected. Maybe this is because document ready is not used? I have been checking this issue myself. The following files are effected: - wp-includes/js/mediaelement/mediaelement-migrate.min.js - wp-includes/js/wp-a11y.min.js - wp-includes/js/customize-base.min.js - wp-includes/js/customize-preview.min.js - wp-includes/js/mediaelement/wp-mediaelement.min.js - wp-includes/js/wp-util.min.js - wp-includes/js/mediaelement/wp-playlist.min.js - wp-includes/js/customize-selective-refresh.min.js - wp-includes/js/customize-preview-widgets.min.js - wp-includes/js/customize-preview-nav-menus.min.js",defect (bug),new,normal,Awaiting Review,Administration,,normal,,needs-patch,,javascript