Macos Big Sur 11.2.2 (20d80) Apr 2026

Apple implemented safeguards that improved how the OS handles power delivery from these accessories to prevent electrical overloads. 🛡️ Security & Technical Details

System slow after MacOS 11.2.2 update - Apple Support Communities macOS Big Sur 11.2.2 (20D80)

While the update fixed the "bricking" bug, some community members reported standard post-update hurdles: Apple implemented safeguards that improved how the OS

MacBook Pro (2019 or later) and MacBook Air (2020 or later). macOS Big Sur 11.2.2 (20D80)

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 11.2.2 was unusual because it contained (publicly listed security vulnerabilities). It was almost exclusively a hardware-safety patch.