OS 26 supports the same devices as tvOS 18. However, some of the most important features won't be available to all Apple TVs.

At WWDC 2025, Apple changed how we interact with our devices with the introduction of a new user interface it calls Liquid Glass. Apple CEO Tim Cook described it this way: “Expressive. Delightful. But still instantly familiar.”

New touch-responsive Liquid Glass interface design "dynamically reacts" when you touch it, according to Apple.