You might like Guix System or NixOS for their concept of "generations" and easy rollbacks. It's pretty hard to break your system majorly. At worst you roll back

You might like Guix System or NixOS for their concept of "generations" and easy rollbacks. It's pretty hard to break your system majorly. At worst you roll back and then figure out what broke (when you feel like it), and then you can even do partial upgrades and skip certain packages if they caused issues after an upgrade.