Any app built on top of Apple's Document-based App paradigm gets the versioned file thing for free. System Preferences > Desktop & Dock > Windows > Close windo

Any app built on top of Apple's Document-based App paradigm gets the versioned file thing for free. System Preferences > Desktop & Dock > Windows > Close windows when quitting an application = OFF means any Document-based App also gets the resumable persistent storage for free. I agree two of the greatest features in macOS. "Don't make me think!"