The Blood Oxygen feature has been missing on the latest Apple Watch models for some time, but Apple has finally released a fix .

OS 18.6.2 is now available to download, and while it lacks any major new features, it does include important security fixes for your iPhone.

With its Blood Oxygen feature restored, Apple Watch regains its edge over Whoop and strengthens its position as the most capable health device on your wrist. It may also help convince some Apple Watch ...