Login at http://en.wikipedia.beta.wmflabs.org/ with VE enabled.
Click edit on any page to invoke VE.
Page reloads, VE is not invoked.
Javascript errors:
Exception thrown by ext.visualEditor.viewPageTarget.init: Object function (selector,context){return new jQuery.fn.init(selector,context,rootjQuery);} has no method 'byteLength' load.php?debug=false&lang=en&modules=jquery%2Cmediawiki%2CSpinner%7Cjquery.…%7Cmw.MwEmbedSupport&only=scripts&skin=vector&version=20130927T181331Z:151
TypeError
load.php?debug=false&lang=en&modules=jquery%2Cmediawiki%2CSpinner%7Cjquery.…%7Cmw.MwEmbedSupport&only=scripts&skin=vector&version=20130927T181331Z:151
Exception thrown by ext.gettingstarted.openTask: Object function (selector,context){return new jQuery.fn.init(selector,context,rootjQuery);} has no method 'byteLength' load.php?debug=false&lang=en&modules=jquery%2Cmediawiki%2CSpinner%7Cjquery.…%7Cmw.MwEmbedSupport&only=scripts&skin=vector&version=20130927T181331Z:151
TypeError
load.php?debug=false&lang=en&modules=jquery%2Cmediawiki%2CSpinner%7Cjquery.…%7Cmw.MwEmbedSupport&only=scripts&skin=vector&version=20130927T181331Z:151
Version: 1.22.0
Severity: critical