Not only has Apple not provided standalone updaters for macOS 11.2, or for Mojave and Catalina Security Updates 2021-001, but it has removed the Big Sur 11.1 installer. It’s just like iOS now.
Catalina
Many iMac17,1 computers are still stuck with firmware dating back to before macOS Catalina. Could this new approach enable them to install firmware updates again?
Charging policy has changed recently for batteries in Apple’s laptops, and iOS/iPadOS devices. Your battery might also be too warm. How to check and what to do.
Tools to help you discover the cause of Bluetooth disconnections, by assessing the link quality and more. For both Intel and M1 Macs.
Something wrong with the Finder or an app, and you want to trash its preferences? Don’t: macOS will defeat you. Here’s how to do that so it works.
Boot disk volume layout is intricate in Big Sur. M1 Macs lose the EFI partition on their internal SSDs and gain two more for APFS. Contents of /System/Volumes has also changed.
Diagrams of the layout of volumes on boot disks for macOS 10.13 to 11, covering both Intel and M1 models.
If you try booting into Big Sur in Remote (Internet) Recovery, you’ll get Catalina instead. But nowhere does Apple alert users to this problem.
How Catalina and Big Sur handle the first run of apps which have their quarantine flag set. With details of log entries seen in both steps needed for approval.
How macOS checks executable code before it’s loaded and run, in macOS 10.15 and 11.0. Covering integrity checks using hashes, and validity of the signing certificate, on Intel and ARM.
The Eclectic Light Company 