Following new hardware announcements Apple also released Release Candidates for macOS 12 Monterey, iOS/iPadOS 15.1, watchOS 8.1 and tvOS 15.1. Apple now accepts submissions targeting macOS Monterey to Mac App Store.

Xcode 13.1 RC is also released.

Also, release of macOS 12 Monterey is expected on October 25.

These releases enable SharePlay API, however, Universal Control feature is still “coming later this year”.

RC also targets Safari with refined tab designs.

Apple Developer: Mac App Store submissions now open for macOS Monterey, Unlock the power of the new MacBook Pro

Developer documentation: NSPrefersDisplaySafeAreaCompatibilityMode

Beta download: Beta Software Download

Release notes: macOS Monterey 12 Beta Notes, iOS & iPadOS 15.1 Release Notes, watchOS 8.1 Release Notes, tvOS 15.1 Release Notes, Xcode 13.1 RC Release Notes

Reference: macOS Monterey and iOS 15.1 Available Next Week, Apple Releasing macOS Monterey on October 25, Apple Seeds tvOS 15.1 Release Candidate to Developers, Apple Seeds iOS and iPadOS 15.1 Release Candidates to Developers, Apple Seeds macOS Monterey Release Candidate to Developers, Apple Seeds watchOS 8.1 Release Candidate to Developers, Apple Says Universal Control Coming to macOS Monterey Later This Fall, macOS Monterey Release Candidate Undoes Safari Changes, Reintroduces Old Tab Design, macOS Hides the Notch on New MacBook Pro in Full-Screen Mode, Mentions of High Power Mode Possibly for New MacBook Pros Again Found in macOS Monterey, macOS Monterey and iPadOS 15.1 Release Candidates Limit Safari Color Tab Bar Option to Compact View, New macOS ‘Compatibility Mode’ Lets Fullscreen Apps Use Area Around Notch



Test apps targeting new releases, check incompatibilities.

QA engineer:

Test apps for regressions.


Prepare apps for submissions.

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