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.
Receives current security updates. It also adds Passkeys (replace passwords with Touch ID/Face ID) and Rapid Security Response (patches that don't require a full reboot).
This is a mature 64-bit environment. By now, most software has caught up. Ventura does not kill old apps in the same brutal way Catalina did—unless they are completely abandoned.
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