Thanks, this was super helpful. I ended up doing two things, not sure it was all needed. I'm sure this could be cleaned up but I don't have the desire to do real tests here, so I apologize in advance for any errors or logical mistakes I may be making.

I did two things:
1) I put the config.ini in ...

I'm having a similar issue - I reinstalled Steam as a snap since they were asking for testers (I'm on 22.10), which forced me to reinstall everything, since the steam folder is relocated. When I tried to actually launch Factorio, I got the following error after vulkan shaders:
Couldn't create lock ...

Here's the saved game. It's a new map from 0.16.1 (initially).

Two players online, crashed, lost about 20 minutes of work
Restarted, crashed 5 minutes in

The other player reported he was using a deconstruction planner (I was laying blueprints).