Google is rolling out an update to the Chromecast with Google TV streaming device that is giving owners more space than they had prior to the software upgrade. The update also brings October 2021's security patch and HDR-related improvements. Unfortunately, it doesn't bring Android TV 12 which was announced last week. That update is expected to come later.
The Chromecast with Google TV has 8GB of storage and only about half of that is available to a user when they first set up the device.
Read more on screenrant.com