We acknowledge the customer demand for Private Channels and have been hard at work on it. Private Channels is currently in preview with a select group of customers. We expect to release the feature to the public later this Fall, and will update here when we are starting to roll out to all customers. We appreciate all the feedback you have provided to us on this forum and thank you for your patience.
This is still being worked upon and making good progress! Stay tuned for additional updates.
-WarrenLeroy Wilkins commented
Currently in Teams when using Chrome and Windows 10, banner notifications only display to the browser window. These notification would be far more useful if they displayed to the desktop, particularly when the browser window is not in focus.