macOS 11.0 Big Sur brings EFI firmware updates for all supported models. This article lists the firmware versions […]
Category Archive: Macs
I hope that you enjoyed Saturday’s Mac Riddles, episode 73. Here are my solutions to them. 1: I […]
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.
Although most were worried about Apple’s failure to deliver upgrades to Big Sur, the most serious problem left many users unable to launch any apps.
Here are this weekend’s riddles to entertain you through whatever you’re now allowed to do. 1: I first […]
A summary of all the macOS updates released over the last three days, to help you catch up with any you’ve missed.
This morning, Apple has reinstated Big Sur upgrades on its software update service. However, users may still encounter […]
Apple has pushed two updates over the last 12 hours or so, to the data files used by […]
If you’re trying to download today’s upgrade to Big Sur, I’m afraid that Apple’s servers – Big Survers […]
Identical code using system_profiler to look up the firmware version number worked in two apps but failed in a third. The solution was obscure.
