The security content of this update has been provided to those still using Mojave and Catalina in the form of a Safari update. There’s still no sign of any form of standalone updater, other than the full installer itself. It’s also already available as an IPSW file for restoring M1 Macs in DFU mode, via Mr Macintosh, of course. This update is already available as a full installer viaĪnd Apple still lists 11.2.1 and 11.2.2 there too. If your Mac doesn’t get a pushed update to restore 1.75 fairly quickly, you may need to run SilentKnight or LockRattler to install the correct version of MRT.
This update downgrades your MRT installation from version 1.75 to 1.72, which was originally pushed as an update on 12 November 2020. M1 Macs still have to download the first 1 GB or so of the update direct from Apple’s servers, and only benefit from a Content Caching Server for the remaining 2.4 GB or so of the update.Īccording to Apple’s security release notes, this contains a single fix for a vulnerability in WebKit. It’s 2.44 GB for Intel Macs and 3.37 GB for M1 Macs, and even on a fast iMac Pro here takes around 25 minutes to install, in addition to download and 15 minute preparation time. This contains “important security updates” which Apple recommends for all those using Big Sur. Apple has this evening released yet another ‘patch’ update to Big Sur, bringing it to version 11.2.3.
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