I often run into situations in which rule params or code have been updated, but these updates slip through unnoticed, causing errors downstream. I am aware that I can rerun rules with updated code or parameters, but as that has to be done manually, it does not necessarily help in these situations.

A command line option that always reruns rules with updated code or parameters would solve this problem. For my own work, I don't see a reason why I would ever not use this command line option.

snakemake --rerun-updated-code --rerun-updated-params

This is different from forcing rerun using the existing --list-params-changes/--list-code-changes. Essentially, it would put code and parameter value changes on the same level as other existing rerun triggers, like outdated output files.