Enlarge / A screenshot of tvOS 17. Recent betas have included evidence that Apple is working on a touchscreen-enabled version of the interface. (credit: Andrew Cunningham) Apple’s tvOS betas are usually among its least exciting; the Apple TV’s operating system has changed so little in the last decade that the most exciting thing to happen to it in recent memory is an extra column of icons. But this week’s tvOS 18 beta 3 release includes a hidden feature that might be exciting for smart speaker enthusiasts, if not for people who still want their Apple TV boxes to develop exciting new capabilities.