IDK how, but I had 4 1pw updaters open and "bouncing" in my mac os big sur dock.
Force quit also showed 4 1pw updaters.
I was on previous beta version (I always update to latest when prompted).
Was prompted to update and answered ok. IDK how things went south from there...
1Password Version: 7.8.4.Beta-0
Extension Version: 126.96.36.199
OS Version: 11.3.1
Sync Type: Dropbox - I think (was over 10 yrs ago?)