macOS Sequoia 15.3 and iOS 18.3 Enable Apple Intelligence Automatically

Apple's upcoming updates -- macOS Sequoia 15.3, iOS 18.3, and iPadOS 18.3 -- will enable Apple Intelligence by default on compatible devices, requiring users to manually disable it if undesired. From Apple's developer release notes: "For users new or upgrading to iOS 18.3, Apple Intelligence will be enabled automatically during iPhone onboarding. Users will have access to Apple Intelligence features after setting up their devices. To disable Apple Intelligence, users will need to navigate to the