Users of Google Nest Hub devices have spotted a new update bringing a refreshed UI to the device. Improvements to the interface include a full-screen app launcher when you swipe up. The update has caused some customers' devices to bootloop, though it appears this is easy to fix.
https://www.notebookcheck.net/Nest-Hub-update-refreshes-UI-design-including-a-new-swipe-down-shortcuts-menu.610851.0.html