{"action":"created","issue":{"url":"https://api.github.com/repos/emberjs/ember.js/issues/12724","labels_url":"https://api.github.com/repos/emberjs/ember.js/issues/12724/labels{/name}","comments_url":"https://api.github.com/repos/emberjs/ember.js/issues/12724/comments","events_url":"https://api.github.com/repos/emberjs/ember.js/issues/12724/events","html_url":"https://github.com/emberjs/ember.js/issues/12724","id":122981339,"number":12724,"title":"ember 2.2: the old way (1.10) to do a settable computed property doesn't work and no depreciation is thrown","user":{"login":"ngouy","id":12391171,"avatar_url":"https://avatars.githubusercontent.com/u/12391171?v=3","gravatar_id":"","url":"https://api.github.com/users/ngouy","html_url":"https://github.com/ngouy","followers_url":"https://api.github.com/users/ngouy/followers","following_url":"https://api.github.com/users/ngouy/following{/other_user}","gists_url":"https://api.github.com/users/ngouy/gists{/gist_id}","starred_url":"https://api.github.com/users/ngouy/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ngouy/subscriptions","organizations_url":"https://api.github.com/users/ngouy/orgs","repos_url":"https://api.github.com/users/ngouy/repos","events_url":"https://api.github.com/users/ngouy/events{/privacy}","received_events_url":"https://api.github.com/users/ngouy/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":5,"created_at":"2015-12-18T16:33:52Z","updated_at":"2015-12-18T16:37:52Z","closed_at":"2015-12-18T16:37:35Z","body":"i am updating a website from ember 1.11 to 2.2\r\nI had a computed property  send (double-way biding) to a child. The but when the child set it, the parent computed property wasn't trigger.\r\nI realized later (i'm a noob ember coder) that there was a new way to do it. But nothing talk about this depreciation.\r\n\r\nMy old code  working in 1.11 but not in 2.2:\r\nparent.hbs :\r\n```handlebars\r\n{{fancy-checkbox-group\r\n    content-data=model.activities\r\n    labelPath='name'\r\n    selection=selectedActivities\r\n}}\r\n```\r\n\r\nparent.js\r\n```javascript\r\n   //triggered only one time, for passing value to child but never again after\r\n  selectedActivities: function(key, selected) {\r\n    if (arguments.length > 1) {\r\n      [...]\r\n    }\r\n    return this.get('model.user.requested_activities').mapBy('activity.content');\r\n  }.property('model.user.requested_activities.@each.activity'),\r\n```\r\n\r\n"},"comment":{"url":"https://api.github.com/repos/emberjs/ember.js/issues/comments/165829041","html_url":"https://github.com/emberjs/ember.js/issues/12724#issuecomment-165829041","issue_url":"https://api.github.com/repos/emberjs/ember.js/issues/12724","id":165829041,"user":{"login":"runspired","id":650309,"avatar_url":"https://avatars.githubusercontent.com/u/650309?v=3","gravatar_id":"","url":"https://api.github.com/users/runspired","html_url":"https://github.com/runspired","followers_url":"https://api.github.com/users/runspired/followers","following_url":"https://api.github.com/users/runspired/following{/other_user}","gists_url":"https://api.github.com/users/runspired/gists{/gist_id}","starred_url":"https://api.github.com/users/runspired/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/runspired/subscriptions","organizations_url":"https://api.github.com/users/runspired/orgs","repos_url":"https://api.github.com/users/runspired/repos","events_url":"https://api.github.com/users/runspired/events{/privacy}","received_events_url":"https://api.github.com/users/runspired/received_events","type":"User","site_admin":false},"created_at":"2015-12-18T16:37:52Z","updated_at":"2015-12-18T16:37:52Z","body":"@ngouy no deprecation warnings from 1.x will be thrown in the 2.x cycle, you need to update to 1.13, resolve deprecations, and then upgrade to the 2.x cycle."}}