No, there is no update, because this issue exists only on very few systems and so far we had no luck to reproduce the issue and when we asked anyone who had this issue to send us his computer for a few weeks to let us reproduce and debug the issue then we never got any responses or help.
However last week we asked a customer with the same looking issue to give us his computer and it seems that he will send it to us soon and then there is a high chance than we will find and fix the problem. The computer is not here yet, so we will see...