Users need a Support- Channel in Preview Phase.
Users need a channel for Support and where they can send - Bugs, that found in Preview
Thank you for the feedback, currently we are collecting bugs and feedback here.
Michael Burke commented
Has the status of this request changed? Is there a bug reporting portal in place now? If not, how would you like us to report bugs here?
At this moment, users have no chance to send Bugs ... Not good Microsoft