Apple today released macOS Big Sur 11.2.2, the fourth update to the macOS Big Sur dat operating system launched in November. MacOS Big Sur 11.2.2 will be released two weeks after the release of macOS Big Sur 11.2.1, a bug fix update.
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The new macOS Big Sur 11.2.2 update is available for free download on all eligible Macs using the Software Update section of System Preferences.
According to Apple’s release notes, the macOS Big Sur update will prevent 2019 or later MacBook Pro models and 2020 or later MacBook Air models from being damaged when connected to certain incompatible USB-C hubs and – third party docks.
There are several reports on Reddit from Mac users who have USB-C hubs and docks plugged into their machines causing the machine to stop functioning. Affected Macs seem to go blank and become unresponsive shortly after connecting the dock. Many of the users who encountered problems used hubs and docks that were not purchased from reputable companies.
Many of the complaints came from M1 Mac users who owned a MacBook Pro or a MacBook Air, but Apple’s release notes suggest other models were also affected.