{"action":"created","issue":{"url":"https://api.github.com/repos/emberjs/ember.js/issues/11926","labels_url":"https://api.github.com/repos/emberjs/ember.js/issues/11926/labels{/name}","comments_url":"https://api.github.com/repos/emberjs/ember.js/issues/11926/comments","events_url":"https://api.github.com/repos/emberjs/ember.js/issues/11926/events","html_url":"https://github.com/emberjs/ember.js/issues/11926","id":98133137,"number":11926,"title":"[1.13.5] Computed properties recalculate on destroyed objects","user":{"login":"dsokolowski","id":55517,"avatar_url":"https://avatars.githubusercontent.com/u/55517?v=3","gravatar_id":"","url":"https://api.github.com/users/dsokolowski","html_url":"https://github.com/dsokolowski","followers_url":"https://api.github.com/users/dsokolowski/followers","following_url":"https://api.github.com/users/dsokolowski/following{/other_user}","gists_url":"https://api.github.com/users/dsokolowski/gists{/gist_id}","starred_url":"https://api.github.com/users/dsokolowski/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dsokolowski/subscriptions","organizations_url":"https://api.github.com/users/dsokolowski/orgs","repos_url":"https://api.github.com/users/dsokolowski/repos","events_url":"https://api.github.com/users/dsokolowski/events{/privacy}","received_events_url":"https://api.github.com/users/dsokolowski/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2015-07-30T10:14:40Z","updated_at":"2015-07-30T14:03:15Z","closed_at":null,"body":"During work on my project I just encountered problem caused by computed property that was recalculated for component that has been destroyed  (removed from the DOM and flag isDestroying set to true). For me it looks undesired to recalculate a bunch of computed properties on destroyed objects since it may cause exceptions or performance issues but maybe it is by design? \r\n\r\nHere is jsbin to give you better insight into the problem: http://emberjs.jsbin.com/radopigisa/edit?html,js,output"},"comment":{"url":"https://api.github.com/repos/emberjs/ember.js/issues/comments/126338595","html_url":"https://github.com/emberjs/ember.js/issues/11926#issuecomment-126338595","issue_url":"https://api.github.com/repos/emberjs/ember.js/issues/11926","id":126338595,"user":{"login":"stefanpenner","id":1377,"avatar_url":"https://avatars.githubusercontent.com/u/1377?v=3","gravatar_id":"","url":"https://api.github.com/users/stefanpenner","html_url":"https://github.com/stefanpenner","followers_url":"https://api.github.com/users/stefanpenner/followers","following_url":"https://api.github.com/users/stefanpenner/following{/other_user}","gists_url":"https://api.github.com/users/stefanpenner/gists{/gist_id}","starred_url":"https://api.github.com/users/stefanpenner/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/stefanpenner/subscriptions","organizations_url":"https://api.github.com/users/stefanpenner/orgs","repos_url":"https://api.github.com/users/stefanpenner/repos","events_url":"https://api.github.com/users/stefanpenner/events{/privacy}","received_events_url":"https://api.github.com/users/stefanpenner/received_events","type":"User","site_admin":false},"created_at":"2015-07-30T14:03:15Z","updated_at":"2015-07-30T14:03:15Z","body":"CP are lazy and as such don't recalculate on there own. I suspect you have an eager observer or a run.schedule in your code causing the cp to be consumed"}}