

But upgrade you should, because Big Sur is a substantial improvement, even over the excellent Catalina. If you rely on third-party software, you may want to wait a few weeks or months for the first or second interim, or point release. If you’re running last year’s Catalina version and haven’t installed a lot of third-party, non-Apple software, you can upgrade immediately to Big Sur, though only after making a complete Time Machine or other backup of your existing system. Based on a three-month tryout in a series of public betas, Big Sur is quick, stable, impressively good-looking, and packed with subtle and significant improvements to the macOS interface.

No touch-screen support, despite mobile interface elementsĪpple's macOS Big Sur is the latest version of its desktop and laptop operating system and the first to support both traditional Intel Macs and the new “Apple Silicon” Macs.

Existing apps require updating security permissions.Compatibility issues with third-party backup software.
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