When you right click on a maths formula in VE a dialog comes up with button to Quick Edit and Edit. Clicking Edit works fine but Quick Edit does nothing. Look at the console its generating an error
VM513:674 Uncaught TypeError: this.context.getSurface(...).executeComamnd is not a function
ve.ui.MWMathContextItem.onInlineEditButtonClick @ VM513:674
oo.EventEmitter.emit @ VM488:38
OO.ui.mixin.ButtonElement.onClick @ load.php?debug=false&lang=en&modules=ext.visualEditor.core|oojs-ui-core&skin=vector&version=11039da…:723
jQuery.event.dispatch @ load.php?debug=false&lang=en&modules=jquery%2Cmediawiki&only=scripts&skin=vector&version=Y5KlhSn2:65
elemData.handle @ load.php?debug=false&lang=en&modules=jquery%2Cmediawiki&only=scripts&skin=vector&version=Y5KlhSn2:60