A detailed list of those bundled apps like Photos, and system components, which were updated in this Security Update.
Over the night the clocks went back, a Time Machine backup failed. Was this the result of a time error from that change?
You’re stuck using hard disks with High Sierra or later. Could enabling defragmentation on them overcome the performance problems of APFS?
For the moment, firmware versions for updated Macs are different between those running Catalina, and those running Mojave earlier. How could this affect Sierra, though?
Using only free tools, it isn’t difficult to get a log excerpt which will tell you, or someone else, exactly what occurred at the time.
When Catalina is released, Apple is expected to drop support for macOS 10.12 Sierra. What should you do if that’s what your Mac is running now?
A utility to explore your keychains, revived, improved a great deal, and now compatible with Catalina.
Downloading runtime support from Apple can save you wondering why a tool appears to be broken.
New version should address long delays in checking old Finder Alias files.
It may be over 2 years old, but its supporting tools are more like those of a beta. Adding containers isn’t at all straightforward.