Macworld It’s a big moment when Apple unveils a new version of iOS at WWDC each summer. After all, this software is running on a billion-odd iPhones and can fundamentally change the way they all behave: iOS updates add new features, correct flaws and UI issues, improve reliability (hopefully), and generally enhance the iPhone experience. All this without costing a penny to install. In 2023, rumormongers would have us believe, the new features part of that equation will be relatively minor, with development work on the company’s mixed-reality headset apparently costing so many engineer hours that the iOS 17 project had to be scaled back. Multiple pundits have warned that, while some smaller new features will be included, there won’t…