The bar chart in Storage Settings shows most of your startup volume is full of System Data. What does it mean, and what use is it? Is its measure of used and free space accurate?
Sequoia
Apple has just released a security update to macOS Sequoia to bring it to version 15.3.1, and security […]
Sequoia 15.3 results in significant improvements in read-write speeds of SSDs connection through Thunderbolt 5 docks and hubs. Here are the details and implications for choosing SSDs.
If it’s running Sequoia, a Mac most likely installed update to Sequoia silently. However, it could still download the Software Update version, as explained here.
The macOS 15.3 update introduces Genmoji creation in Messages and other apps on Apple silicon Macs, and improves […]
Apple has just released the update to bring macOS Sequoia to version 15.3, together with security updates 14.7.3 […]
Two important catches that can cause a macOS installation to fail in Apple silicon: using the DFU port, and not setting up ownership correctly. Both are explained here.
How the number of bundles in /System/Library has risen from Mojave to Sequoia, and why the last 5 years have been so different from the previous 20.
Sequoia boot volume layout, M4 CPU core management, SIP and csrutil, backup storage, Graphing Calculator and more.
From the start of the fourth cycle in M4 Macs and the smallest ever, through the omission in macOS VMs, and QuickLook shortcomings, to the stealth firmware update.
The Eclectic Light Company 