> this approach pre-dates the concept of putting all default behaviours into a unified panel in the system settings Apple MacOS 8.5 from 1998 had the "Internet

> this approach pre-dates the concept of putting all default behaviours into a unified panel in the system settings Apple MacOS 8.5 from 1998 had the "Internet" control panel that let you choose your default web/mail/nntp clients. The concept isn't new, even to Apple. > which would invariably lead to an incomplete list of available applications Every app already registers its supported protocols with the OS so it can show the menu of supported apps without it being stale (this is how the menu in Safari/Mail etc shows third-party apps already)