> [This] function, which returns true if the current app matches the specified bundle ID and is linked on or prior to the macOS version. Thus, older versions of the app would have the fix applied, while newer versions built with a newer SDK would not.
This it notable. It means Apple is ensuring backwards compatibility. Even if an updated version of your app (as detected by what OS it linked against) fixes things, these patches are still around for older versions of the app people may still be running.
Backwards compatibility never ages out...