Big Sur is officially macOS 11.0 as Apple finally leaves OS X behind June 22, 2020 https://www.theverge.com/2020/6/22/21299799/macos-11-big-sur-os-x-apple-verison-number-end-era
macOS Big Sur preview: A breath of fresh pixels August 6, 2020 https://www.imore.com/macos-big-sur-review Engadget: The macOS Big Sur public beta is now available
macOS Big Sur takes a big step toward release November 5, 2020 https://www.cultofmac.com/727165/macos-big-sur-11-release-date/ macOS 11 Big Sur release date, latest version & features for your Mac November 6, 2020 https://www.macworld.co.uk/news/macos-big-sur-release-date-3779573/
Apple Releasing macOS Big Sur on November 12 November 10, 2020 https://www.macrumors.com/2020/11/10/macos-big-sur-release-date/
macOS Big Sur is now available Apple’s 11.0 desktop software update lays the groundwork for Mac’s future November 12, 2020 https://techcrunch.com/2020/11/12/macos-big-sur-is-now-available/ Apple: macOS Big Sur is here
macOS 11.0 Big Sur: The Ars Technica review Yes, you read that right—Mac OS X (or macOS 10?) is no more November 12, 2020 https://arstechnica.com/gadgets/2020/11/macos-11-0-big-sur-the-ars-technica-review/
macOS Big Sur review: A mix of new and familiar Big Sur looks different, but still works just as you'd expect December 3, 2020 https://www.engadget.com/macos-big-sur-review-180036335.html