Apple used its Worldwide Developers Conference on Monday in Cupertino, Calif., to roll out a plethora of new features and updates, including the long-awaited overhaul of Siri AI.

Apple's newly introduced AI Siri will have limited use across much of the company's install base because older iPhones lack the capabilities to run advanced AI features, Morgan Stanley said in a resea...

The new “Siri AI,” as it is now being called, is what Siri should have been from the very beginning: an AI assistant that is more conversational, draws on personal context, and can complete actions on...