Apple has made its latest version of iOS official, with some features that can be found across Macs, the iPad Pro and Watches too. However, some new features are more specific to iPhones and where they are likely to be used. To this end, the next gen of CarPlay, for one, has been introduced alongside the impending major software upgrade.
https://www.notebookcheck.net/iOS-16-debuts-with-SharePlay-for-Messages-Apple-Pay-Later-a-new-CarPlay-UI-and-more.625784.0.html