Why is the v12 Database changing so frequently?!?

Just installed new VM
based your indication, BTW thank you!:

I was able to restore my database from v12.0.18

It was necessary because from this I cant
bench update at all:
Installed Apps
ERPNext: v12.1.8 (version-12)
Frappe Framework: v12.0.18 (version-12)

Original problem was: