I am having an issue with IE 11 and Material Select.  It appears that the _triggerChangeOnNativeSelect function is failing when a selection is made.  Any work-around for this issue?

Here is the code and the line number:

 key: "_triggerChangeOnNativeSelect",
value: function _triggerChangeOnNativeSelect() {
var keyboardEvt = new KeyboardEvent('change', {
bubbles: true,
cancelable: true
});

Line number: 20745.
MDB Version: MDB Pro 4.6.0

Any suggestions?
Thanks.