Apple Rolls Out Third Developer Betas for iOS 18.4, macOS 15.4, and More

The updates introduce new Apple Intelligence features, redesigned apps, and expanded language support ahead of an early April release.

iOS 18.4 beta 3 introduces Priority Notifications, a Sketch Style in Image Playground, and localized language support for multiple regions, including India and Singapore.
macOS 15.4 beta 3 features a redesigned Mail app with on-device inbox categorization and a new digest view for business emails.
Seven new emojis, including a root vegetable and a shovel, have been added, along with enhancements to Apple's Genmoji creation tool.
Proximity Pairing support for easier device setups and a verification code timer in the Passwords Menu Bar app are included in macOS 15.4 beta 3.
Apple has delayed Siri upgrades originally expected in this update, confirming they will arrive later in the year.