Apple released iOS 18.4, iPadOS 18.4, macOS Sequoia 15.4, and other updates.iOS 18.4 and iPadOS 18.4 bring Priority Notifications feature, Visio Pro app, and various improvements.macOS Sequoia 15.4 introduces automatic message categorization, Sketch drawing style, and more.watchOS 11.4 includes a Break Through Silent Mode toggle for alarms on Apple Watch.