Apple stands ready to show off watchOS 27 next week at its annual developer conference. The update arrives at a moment when the Apple Watch, now more than a decade old, faces stiff competition from specialized fitness trackers. Yet the software refresh prioritizes steady gains over flashy redesigns. Mark Gurman of Bloomberg first flagged the direction in his May 24 Power On newsletter. He described the coming changes as focused on stability, performance and smaller refinements rather than major new capabilities. Bloomberg noted the wearable needs a shake-up amid rivals such as Whoop, Oura and Google Fitbit. Still, three concrete features have surfaced in recent reports. They address health tracking, customization and voice assistance. Heart rate tracking sits at the top of the list. Gurman reported improvements without offering specifics. The enhancements should work on existing hardware. They may tie into sensors planned for the Apple Watch Ultra 4.…