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Apple releases macOS Catalina 10.15.4 supplemental update to fix FaceTime bug, more - macOS Discussions on AppleInsider Forums
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Apple releases third betas for macOS 10.15.4, iOS 13.4, iPadOS 13.4, tvOS 13.4, watchOS 6.2 | AppleInsider
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Apple Seeds Fifth Beta of Upcoming macOS Catalina 10.15.4 Update to Developers [Update: Public Beta Available] - MacRumors
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