04.28.2025
Apple today seeded the fourth beta of an upcoming macOS Sequoia 15.5 update to developers for testing purposes, with the software coming a week after Apple released the third macOS

Registered developers can opt-in to the macOS Sequoia beta through the Software Update section of the System Settings app. An Apple ID associated with an Apple Developer account is required to get the beta.
macOS Sequoia 15.5 appears to be a minor update so far, and no notable new features were found in the first three betas.
Work on new features for macOS Sequoia is winding down, as Apple will soon transition to macOS 16. The next-generation version of macOS is set to be unveiled at WWDC in June.
Related Roundup: macOS Sequoia
Related Forum: macOS Sequoia
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