macOS Tahoe Beta 4 Update Brings Key Features for Developers

Apple has officially seeded the fourth beta of macOS Tahoe 26 to developers, giving them a closer look at the major enhancements coming this fall. The update, which arrives just two weeks after Beta 3, includes significant refinements across macOS—from a fresh visual design to smarter Spotlight capabilities. For registered developers, macOS Tahoe beta 4 can be accessed directly through the System Settings app, ensuring a smoother installation and testing process.

macOS Tahoe Beta 4 Enhances Spotlight and Core Apps

One of the most exciting upgrades in macOS Tahoe beta 4 is the Spotlight overhaul. This year, Apple has transformed Spotlight into a more functional command center—letting users complete actions like sending emails, searching files, and performing quick tasks without launching separate apps. Beyond Spotlight, the Messages, Safari, and Notes apps also receive noticeable improvements, offering faster performance and a cleaner user interface.

Liquid Glass Design and New Apps Debut on Mac

macOS Tahoe introduces Apple’s new Liquid Glass interface—a design language that blends transparency, depth, and motion for a more immersive desktop experience. This redesign extends system-wide and gives the Mac a fresh, futuristic feel. For the first time, Apple brings the Phone and Journal apps to macOS, creating stronger alignment with iOS and iPadOS. Additionally, the new Games app creates a unified hub for all game-related content across Apple devices.

macOS Tahoe Beta 4 Prepares for Fall Launch

As Apple readies macOS Tahoe for its official release this fall, beta 4 gives developers a critical window to test app compatibility and fine-tune their software. The new features signal Apple’s push toward cross-platform consistency and smarter, more intuitive user experiences. If you're building for Mac, now is the time to explore what this powerful update has to offer and prepare your apps for the public rollout.