Apple rolled out its long-promised Siri AI upgrade at WWDC 2026, adding conversational depth, visual understanding, and personal context across iOS, iPadOS, and macOS. The revamp positions the assistant to compete directly with tools like ChatGPT by handling multi-step requests and pulling context from user data. Early demos showed Siri summarizing emails, editing photos via natural language, and managing device settings without rigid commands. For US developers and power...