Macos Big Sur 11.2.2 (20d80) Instant
Unlike most Big Sur releases, version 11.2.2 was unusual because it contained (publicly listed security vulnerabilities). It was almost exclusively a hardware-safety patch.
System slow after MacOS 11.2.2 update - Apple Support Communities
Released on February 25, 2021, was a critical, highly focused update designed to protect Mac hardware from a physical "bricking" threat. ⚡ The "Bricking" Prevention macOS Big Sur 11.2.2 (20D80)
Occasional reports of UI sluggishness led experts to recommend running tools like EtreCheck to identify conflicting third-party software.
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". Unlike most Big Sur releases, version 11
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.
While the update fixed the "bricking" bug, some community members reported standard post-update hurdles: ⚡ The "Bricking" Prevention Occasional reports of UI
Note that macOS Big Sur reached its official end-of-life in November 2023 and no longer receives security updates. 🛠️ Common Issues & Troubleshooting