The themes layout will get rounded borders to match a new Material You guidelines. This update is also available on non-Android 12 versions as well. Themes sections haven't been changed themselves so it is just a UI refresh this time.
- 📲 Gboard is an official keyboard app by Google that also comes as a default keyboard on stock Android devices.
- 📲 Gboard is also available in Beta and you can opt-in as a tester via Google Play.