Do you use third-party command tools? Are you using or planning to use Catalina? This explains how 10.15 changes first run checks on those tools, and their effect on all users.
No one painted trees, particularly cypresses, like Vincent van Gogh. A group of 3 wonderful paintings from his time at Saint-Rémy.
How close did you get this week? Anyone with all three?
Why third-party kernel extensions may have problems working in Catalina, and whether those KEXTs will become SEXTs.
Dreams painted by more modern artists, from William Blake to Paul Nash. These tend to become progressively harder to read.
Catalina upgrade may fail to update EFI firmware correctly in some Mac models, notable iMac17,1. Check your firmware!
Seen the reports that Apple Support recommends not installing 10.15 on new Mac minis? Well, they’re just another fake.
Painting dreams relies on a compositional convention to show both the viewer’s image of the dream, and that of the dreamer.
Three rather easier ones this week, I hope. Give them a try.
You’re stuck using hard disks with High Sierra or later. Could enabling defragmentation on them overcome the performance problems of APFS?
The Eclectic Light Company 