Macos Big Sur 11.2.2 (20d80) May 2026

Released on February 25, 2021, was a critical, highly focused update designed to protect Mac hardware from a physical "bricking" threat. ⚡ The "Bricking" Prevention

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.

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". macOS Big Sur 11.2.2 (20D80)

Some users found the update stuck and required a Safe Mode restart (holding Shift during boot) to complete.

Approximately 2–3 GB, depending on the specific Mac model. Released on February 25, 2021, was a critical,

While the update fixed the "bricking" bug, some community members reported standard post-update hurdles:

Apple implemented safeguards that improved how the OS handles power delivery from these accessories to prevent electrical overloads. 🛡️ Security & Technical Details The primary purpose of this version was to

System slow after MacOS 11.2.2 update - Apple Support Communities