Exactly these questions also came to my mind when I read the article. Subscriptions can get very tricky. Sometimes you want events to be synchronously fired, so

Exactly these questions also came to my mind when I read the article. Subscriptions can get very tricky. Sometimes you want events to be synchronously fired, sometimes it's better when they are deferred into another eventloop tick. Unsubscription can also get quite tricky as you said. I really wonder if Elm got a generic solution that fits all possible usage scenarios.