Some users found the update stuck and required a Safe Mode restart (holding Shift during boot) to complete.
While the update fixed the "bricking" bug, some community members reported standard post-update hurdles: macOS Big Sur 11.2.2 (20D80)
This was one of the early critical updates for the then-new M1 Apple Silicon Macs, which were particularly susceptible to the USB-C dock issue. Some users found the update stuck and required
System slow after MacOS 11.2.2 update - Apple Support Communities macOS Big Sur 11.2.2 (20D80)
MacBook Pro (2019 or later) and MacBook Air (2020 or later).
The primary purpose of this version was to stop certain from causing permanent hardware damage. Before this fix, users reported that connecting their Macs to specific powered docks would cause the machine to become completely unresponsive and "blank".