Apple typo calls new MacOS Big Sur 'Bug Sur' instead

Probably an innocent misspelling, not a Freudian slip.

Stephen Shankland Former Principal Writer
Stephen Shankland worked at CNET from 1998 to 2024 and wrote about processors, digital photography, AI, quantum computing, computer science, materials science, supercomputers, drones, browsers, 3D printing, USB, and new computing technology in general. He has a soft spot in his heart for standards groups and I/O interfaces. His first big scoop was about radioactive cat poop.
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  • Shankland covered the tech industry for more than 25 years and was a science writer for five years before that. He has deep expertise in microprocessors, digital photography, computer hardware and software, internet standards, web technology, and more.
Stephen Shankland
Apple Big Sur splash screen

Apple's next version of MacOS is called Big Sur.

Screenshot by Stephen Shankland/CNET

On the big debut of Apple's new version of MacOS Big Sur, a slip of somebody's finger led Apple to accidentally call its new operating system "Bug Sur" instead.

The typo was in an email sent to people who'd signed up to test its new beta software, which Apple revealed today at its WWDC conference for programmers. A graphic touting the new software in the Apple e-mail got the name right, though. Big Sur is the newest in a series of Apple names drawn from scenic parts of California such as the Sierra Nevada, Catalina Island and Mojave Desert.

Apple sent an email with the typo "Bug Sur" to testers of its new operating system.

Apple sent an email with the typo "Bug Sur" to testers of its new operating system.

Stephen Shankland/CNET

MacOS Big Sur includes a different user interface styling that should bring the software closer to iPadOS in appearance. More profoundly, it's the first MacOS version that'll support Apple's new Macs built on its own Arm chips, a major break from the Intel chips Macs have used since 2006. And in a move that's cosmetic but still symbolically important, Apple moved Big Sur's version number to MacOS 11 after releasing versions 10.0 to 10.15 over the last 19 years.

Apple didn't immediately respond to a request for comment.

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