How to configure Apple Watch Ultra’s Action button in watchOS 11

While Apple didn’t make any hardware updates to the Apple Watch Ultra this year except for a new color, it did at least introduce a number of software features alongside watchOS 11, such as sleep apnea detection and a long-overdue Training Load metric. In fact, as is surprisingly common for Apple, some of those features went unannounced — including a new way of configuring the Ultra’s Action button.