Freeciv

Make regular moves action enabler controlled. This is - as far as I know - the last unit action that isn't enabler controlled. This allows simplifying away the code that gives regular moves action-like properties, like running a regular move right after an action performer, allowing moves to be blocked by actions and the action selection dialogue's "Keep Moving" button.

To reach an acceptable state much of the move cost should be moved to the ruleset too. (Fake generalization + effects)

If "Unit Move" isn't in an acceptable state by the time of the ruleset format freeze it should be made an internal action, kept out of the ruleset. That would still allow it to use the more well tested code for real actions.