APPLE INSIDER
The first clue that developer Charlie Monroe discovered about his ejection from Apple’s development program was users complaining that their apps stopped working — despite still being available on the Mac App Store.
App StoreAs Apple continues to face controversy over its App Store policies and fees, software developer Charlie Monroe has told AppleInsider that the company has killed all his apps with no warning. Each of his ten macOS apps, and two that are also iOS, remain available to buy in the App Store, but Apple has stopped them launching.
Source: APPLE INSIDER