I’m doing my M1 MB Air leaving Mac Mini alone for a week. But first have backed each up with CCCloner and of course TM is doing its thing. Must say Sonoma came in very fast.
I think that some folks have been worn out by the pace of security updates the past couple of months.
I had Ventura on the internal SSD of my M1 mini and Ventura beta on an external SSD. Tests went fine so I'm going to give that SSD and put it on my wife's 2018 mini as her's is about out of space and I'll update that from some old version (Mojave I think) and add the SSD so that she has more space.
It's nice to have a lot of spare hardware as you can just grab another machine if you screw one up. My production stuff is backed up to the cloud along with Time Machine if I need to revert.