Software update was completely redesigned for Big Sur, using finite state machines to enable reliable, flexible and robust updates to be applied to macOS. These are documented in log entries made during an update.
Category Archive: Macs
Safe mode is claimed to do 3 things: block 3rd party extensions, clear caches, and check your startup disk. But what disk checks does it really make, and how are they different?
I hope you enjoyed Saturday’s Mac Riddles, episode 349. Here are my solutions to them. 1: A snack […]
How macOS 26.2 updated to 26.3, variation in download sizes, how macOS works out free space requirements to proceed with the update, and its sequence of stages run by a finite state machine.
Why should an app start crashing on launch in macOS 26.4 beta 2? Why does its firmware version number make no sense? And how did it take 6 months to fix six typos?
Here are this weekend’s Mac riddles to entertain you through family time, shopping and recreation. 1: A snack […]
When the architecture of macOS switched to the Signed System Volume in Big Sur, it brought major changes in how macOS is updated, as detailed here.
New version adds more detail to the list of log files, and a new graphical view to pick out anomalies in up to 6 weeks of previous log records.
Doesn’t macOS wear out internal SSDs quickly because of all the data it writes to them? Will my Mac’s SSD wear out prematurely? How can I tell?
How to browse log entries for an event that occurred many days after its entries have been removed from the active log, by discovering its exact time and the processes involved.
The Eclectic Light Company 