WatchOS 7.3 now available with expanded ECG countries and Unity watch face

Apple has released watchOS 7.3, alongside iOS 14.4. While the iOS release mainly consists of bug fixes and security updates with a few tiny tweaks to existing features (like better QR code reading), watchOS actually brings some notable features, especially if you live in one of the four countries for which ECG is now available.For Japan, Mayotte, Philippines, and Thailand, the addition of ECG support (and the related irregular heart rhythm warning) is a big deal. For everyone else, you get a ne