Overview

• Apple has launched the first developer beta of macOS Sequoia 15.5, accessible via the Software Update section in System Settings for registered developers.
• The release follows the public launch of macOS 15.4, which introduced a redesigned Mail app and new AI capabilities.
• No confirmed details about new features in macOS 15.5 have been announced, though speculation includes potential updates like Priority Notifications and Apple News' Food section.
• The beta is part of Apple's coordinated software development cycle, which includes new betas for iOS 18.5, visionOS 2.5, tvOS 18.5, and watchOS 11.5.
• macOS 15.5 is expected to be one of the last updates before the transition to macOS 16, set to debut at WWDC 2025 in June.