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macOS Catalina was superseded by macOS Big Sur, which was launched on November 12, 2020. It’s also the last version of macOS with the number 10 as a prefix. It is the successor of macOS Mojave, and it was unveiled on June 3, 2019, at WWDC 2019 and released to the general public on October 7, 2019.Ĭatalina is the first macOS release to solely support 64-bit apps and to add Activation Lock. The sixteenth major edition of macOS, Apple Inc.’s desktop operating system for Macintosh computers, is called Catalina (version 10.15).
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