What to do about spinning beach ball?

[Rolando]

rich in distress wrote:
If the update was recently done, I’d say leave it on for a day or two.
New systems have some analyzin’ to do, so it can update libraries, caches and whatnots.
If it’s supported, it should work good enough.
Good luck!

Agree. When I first upgraded to Mojave, it was dog slow and crashed a couple of times. I left it running overnight one night, and the next day it was fine! 2012 MBPro, 15", non retina