ObjectObserver does not report observed object onChange event

[dmiorandi]

Take a look at this

var objObs=new ObjectObserver(obj);
objObs.open((added, removed, changed, getOldValueFn) => {
    console.log('WHERE IS MONITORED OBJECT REFERENCE???');
});

On the stack i can see
callback(records)==>
createObject.check_(changeRecords, skipChanges)==>
myanonymous callback function here==>

on createObject.check_ object information were losed. It should be propagated untill custom callback.