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.
macOS 26
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?
Last September, Tahoe replaced Apple Diagnostics with a new and improved suite of tests for Apple silicon Macs. No one seems to have noticed, least of all Apple.
For once, Apple’s bland statement that “this update provides important bug fixes and security updates” may be the […]
Apple has released updates to macOS, to bring Tahoe to version 26.3, and security updates for Sequoia to […]
If you’ve upgraded to Tahoe, your Time Capsule should still back up normally. But erase it to start new backups, and Time Machine refuses to back up to it any more.
Apple silicon Macs may not obtain an external reference time for many seconds after starting up. Do they adjust their local clock over that period, and if so, against what reference?
Which system and AI cryptexes are loaded during macOS boot? Here are details of the 28 for AI in Tahoe 26.2, and which are new since Sequoia 15.5.
Local network privacy protection, introduced in macOS Sequoia, doesn’t use TCC as most others do, but sets up a packet filter in Network Extension. Here are details.
An overview of code signing and certificate requirements to come when macOS 27 is released in a few months, supporting only Apple silicon Macs. How Intel Macs will be affected in the near future.
The Eclectic Light Company 