The biggest change in the recent update is the shift from a simple "Good/Bad" meter to a Tri-Factor Reputation System:

Pro Tip: To unlock the new "Diplomat" ending, you need Respect > 70 and Affection > 60. Fear must be under 30.

If you just want the story without the grind, the developer added a hidden console in the Updated Version:

If a Guardian raises its hand and you hear a chime like a cracked bell: