My previous Practical Mac column focused on features in iOS 12 that I recommend, and now that macOS 10.14 is out, my latest column looks at Mojave improvements to try first: A tour through the Mojave features that make it stand out.
It also has a customary-but-oh-so-important-reminder to back up your data before upgrading to any major operating system release. This time I got bit, and bit hard: I had a Time Machine backup, but to save time I decided not to update my duplicate. Well, let me tell you, friends: it cost me far more time. Something went sideways with my upgrade, likely some utility or startup item that I missed when updating software prior to installing Mojave, and so the Mac would kick back to the login screen after a few seconds of logging into any account on the machine. I had to do a full nuke-and-pave reinstallation and rebuild of my system. If I’d made a bootable backup just prior to upgrading, I could have restored that and tried again.
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