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macOS Catalina 10.15.2 released, may unofficially fix speaker pops and crackles in MacBook Pro - NotebookCheck.net News
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Mac OS X Catalina 10.15.16 Install DVD : by Apple : Free Download, Borrow, and Streaming : Internet Archive
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macOS Catalina 10.15 update with Sidecar, Screen Time, Mac Catalyst and more now available for download
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Apple releases macOS Catalina 10.15.7 with bug fixes for WiFi and iMac GPU performance, more - 9to5Mac
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macOS 10.15.7 Catalina, iOS 14.0.1, iPadOS 14.0.1, watchOS 7.0.1, and tvOS 14.0.1 Squash Bugs - TidBITS
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Apple releases macOS Catalina 10.15.7 with bug fixes for WiFi and iMac GPU performance, more - 9to5Mac
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