A US patent filing strongly hints at Apple's plans for the future of Touch ID. Cupertino's alleged "off-axis angular light" based fingerprint scanning tech has the potential to work faster while being more secure than existing under-display scanners on Android devices.
https://www.notebookcheck.net/Apple-s-rumored-off-axis-light-based-Touch-ID-system-could-make-its-way-onto-the-iPhone-13-alongside-Face-ID.528465.0.html