MacOS Big Sur build 20D80

macOS Big Sur build 20D80 is a build of macOS Big Sur 11.2.2, which is another revised update for version 11.2 of the operating system. This update includes a fix to prevent MacBook Pro models from 2019 and later and MacBook Air models from 2020 from being damaged when connected to certain third-party, non-compliant USB-C hubs and docks.