While you're at it, you might want to check any external drives you use, and get into the habit of checking them from time to time just in case. Stripped down interface and lack of explanation has a potential of turning down a large number of users. Apple macOS 10.14 Mojave now in public beta. How to Remove Cocktail from Mac Audio Layer: 3 Apple released Security Update 2017-001 v10.13.1 on 29 Nov 2017, fixing the "root login" bug. That fix broke file sharing between Macs; Apple has documented a fix to the fix, and re-released Security Update 2017-001 v10.13.1 with the fix.
In Conclusion
Do a "smoke test" to verify that your computer is working OK. Make sure the applications you depend on are still working. Try out the applications from Apple that were updated with the OS. If you have trouble, restore your backup and go back to the old OS version.
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* Rebuild Launch Services and Help databases
MacPorts
Note: Free to try, 10 launches trial.
Download Free trial - Cocktail for Mac 12.2.1 install file
Devices
This Seattle duo explore the more darkly psychedelic side of indie rock on this retrospective album, covering songs recorded from 2009-2019. Bandcamp New & Notable Jan 20, 2022
Hooky songs that will appeal to kids and grown-ups alike, smash-cutting the irreverence of The Moldy Peaches with wild psychedelia. Bandcamp New & Notable May 30, 2020
This children’s record isn’t just for kids. Smoky soul grooves and bizarro pop chestnuts make for an entertaining listen. Bandcamp New & Notable Jul 21, 2018