Apple has released tvOS 11.2 for the fourth-gen Apple TV and the 4K Apple TV. The update includes a new setting for the 4K Apple TV that changes the HDR and the frame rate dynamically depending on the content.
We’ve already seen a couple of cases where the Apple Watch’s heart rate feature has recognized irregular heart rate. This feature has saved lives. Now, Apple is teaming up with Stanford for an official Heart Rythm study using the Apple Watch. The data gathered during this study will be used to detect and track heart issues like atrial fibrillation.