For many months now Chromecast households have been plagued with notifications on their devices, whenever someone on the same network uses the media streaming dongle. The idea behind the feature was to allow multiple users easy control of a Chromecast, although many were left frustrated.
Now an update has made it possible to disable multi-user control for a specific Chromecast dongle. Using the Google Home app, an option in the device setting allows for the option to be turned off.
Under the settings page for any individual Chromecast, there is a toggle which reads: ‘Let others control your casted media’.