This element is already used in the Google Maps, Gmail and Google Keep apps. With this button you can perform the main action in the app: for example, in Google Keep it allows you to create notes and in Google Maps it allows you to center the map on the user’s location, writes Android Authority.
In the browser, a new tab will open from the tab view mode.
It was previously reported that iOS 18 will block certain pre-installed apps using Face ID.