macOS Big Sur vs. macOS Catalina: Side-by-Side UI Design Comparison<img style="float: left; margin-right: 10px" src="
![](http://www.iphonehacks.com/wp-content/uploads/2020/07/Apple-macOS-Big-Sur-vs.-macOS-Catalina-Desktop-UI-Design-Comparison-194x129.jpg)
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Apple unveiled the biggest update to macOS in years, introducing macOS Big Sur during the first online-only WWDC keynote last month. The macOS Big Sur Beta 1 update was released just after the WWDC keynote. Now, a developer has posted detailed side-by-side comparison images of macOS Catalina vs. macOS Big Sur to showcase design changes between the two versions.
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macOS Big Sur vs. macOS Catalina: Side-by-Side UI Design Comparison