Apple's CoreFoundation has used COM since 1.3... and CFPlugIns[0] are the ones that implement them. [0] https://developer.apple.com/library/archive/documentati

Apple's CoreFoundation has used COM since 1.3... and CFPlugIns[0] are the ones that implement them. [0] https://developer.apple.com/library/archive/documentation/CoreFoundation/Conceptual/CFPlugIns/Concepts/com.html https://developer.apple.com/library/archive/documentation/Co...