Yes I confirm, it is our bug
if you right click the component at design-time and select View Source + HTML and view the source code in browser or
select View Source + Script
you will see that instead of something like
menubar: 'file edit'
for instance
its rendered as
menubar: ['file", "edit"]
which the tinymce plugin doesn't accept
About
In fact, it is a little confusing because the default for all the MenuBar items are False, even though by default all the Menu bar items appear in the editor.
Yes you were also right about this, but this wasn't the cause of the problem
We will fix both issues asap for a new release.
Sorry for the incovinience