I really do hope it's a bug or a mistake. I like macOS but I will never be forced into subscriptions to distribute my own applications. That would mean going back to Linux at home (Beelink mini-PCs seem good for the price), and advocating against using Swift around me.
The closed-garden is good for the iPhone because I use it as an appliance, but a computer will stay a computer for me.
The closed-garden is good for the iPhone because I use it as an appliance, but a computer will stay a computer for me.