Macworld Apple is often accused of charging too much money for its products, but some of the company’s most momentous releases are free. Such as the annual major software updates for the iPhone, Mac, iPad, and Apple Watch, which unlock a raft of new features at no extra expense. This year, in fact, the watchOS 10 software update (cost: $0) is expected to be considerably more significant than this year’s new hardware. The Apple Watch Series 9 (likely cost: $399 and upwards) has been labeled “anything but major,” whereas the new OS is expected to bring “bigger enhancements, including an updated interface.” This article is our watchOS 10 deep dive, sifting through the leaks and rumors to bring you the…