Saw that there was a couple of updates showing in Software Center, one being a Core update. Hit the button to start the update and went for dinner. Came back to this:
I haven’t tried selecting anything from the context menu yet, in case you need any information before I do a “Cluster Status”.
That worked. But the update process should end cleanly. Or is this another “it depends on which version of which browser you are using” issues.
I rather think it is a bug,
Edit: filed a bug here (with console dump)