If you are still running macOS Catalina (released 2019) on your Mac, you are living in a very specific era of Apple history. If you have upgraded to macOS Ventura (released 2022), you are experiencing the "modern Apple" ecosystem.

Ventura (unless you need to run very old, specific software). 2. System Preferences vs. System Settings Catalina: It uses System Preferences . The icons are arranged in a grid. It is intuitive, fast, and muscle-memory friendly. You know where the Network pane is. You know where Sharing is.

Catalina (by a landslide for usability). 3. Continuity & Ecosystem Features Catalina: Introduced Sidecar (using an iPad as a second display). It also supported Handoff and Universal Clipboard. For 2019, this felt futuristic.