If you don’t have such a hub or dock, or are using a different Mac, there’s seemingly no reason to install this update. If you’re running Big Sur on a recent MacBook Pro or MacBook Air and have a powered USB-C hub or dock, we recommend unplugging it immediately and installing this update before using it again. ![]() Our initial take is that Apple engineers have evaluated enough damaged Macs to understand the problem-presumably too much or dirty power-and realized that they could prevent the problem by adjusting how the Mac interacts with the powered hub or dock. If you’re buying a USB-C hub or dock right now, it’s probably safest to avoid powered ones for the moment. That said, a Reddit thread collects reports from people who have experienced problems with particular devices, including those from Dodocool, HyperDrive, Satechi, and ZMUIPNG. Although there’s no guarantee that they would have produced compliant peripherals, it’s probably easier to ask such companies if their products are compliant. The general advice is with power-carrying accessories is to stick with well-known and reputable manufacturers. ![]() Nor does Apple name names, so there’s no way to know which USB-C hubs and docks might be dangerous here. It’s a 2.17 GB download.Īpple makes no mention of a repair program, which implies that the company feels that any damage incurred is not its fault, although most of the bricked Macs appear to have been replaced under warranty or AppleCare. Apple has released macOS 11.2.2 Big Sur, saying that the update prevents MacBook Pro models from 2019 and later and MacBook Air models from 2020 and later from being damaged by “certain third-party, non-compliant, powered USB-C hubs and docks.” Apple lists no other changes, even security fixes. MacOS 11.2.2 Protects MacBook Pro and MacBook Air from Non-Compliant USB-C Hubs and Docks #1624: Important OS security updates, rescuing QuickTake 150 photos, AirTag alerts while traveling.#1625: Apple's "Far Out" event, the future of FileMaker, free NMUG membership, Quick Note and tags in Notes, Plex suffers data breach.#1626: AirTag replacement battery gotcha, Kindle Kids software flaws, iOS 12.5.6 security fix. ![]() #1627: iPhone 14 lineup, Apple Watch SE/Series 8/Ultra, new AirPods Pro, iOS 16 and watchOS 9 released, Steve Jobs Archive.#1628: iPhone 14 impressions, Dark Sky end-of-life, tales from Rogue Amoeba.
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