{"action":"created","issue":{"url":"https://api.github.com/repos/w3c/webcomponents/issues/288","labels_url":"https://api.github.com/repos/w3c/webcomponents/issues/288/labels{/name}","comments_url":"https://api.github.com/repos/w3c/webcomponents/issues/288/comments","events_url":"https://api.github.com/repos/w3c/webcomponents/issues/288/events","html_url":"https://github.com/w3c/webcomponents/issues/288","id":96637025,"number":288,"title":"Need \"slotting changed\" event","user":{"login":"dglazkov","id":1934,"avatar_url":"https://avatars.githubusercontent.com/u/1934?v=3","gravatar_id":"","url":"https://api.github.com/users/dglazkov","html_url":"https://github.com/dglazkov","followers_url":"https://api.github.com/users/dglazkov/followers","following_url":"https://api.github.com/users/dglazkov/following{/other_user}","gists_url":"https://api.github.com/users/dglazkov/gists{/gist_id}","starred_url":"https://api.github.com/users/dglazkov/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dglazkov/subscriptions","organizations_url":"https://api.github.com/users/dglazkov/orgs","repos_url":"https://api.github.com/users/dglazkov/repos","events_url":"https://api.github.com/users/dglazkov/events{/privacy}","received_events_url":"https://api.github.com/users/dglazkov/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/w3c/webcomponents/labels/shadow-dom","name":"shadow-dom","color":"207de5"},{"url":"https://api.github.com/repos/w3c/webcomponents/labels/v1","name":"v1","color":"e11d21"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":20,"created_at":"2015-07-22T18:44:34Z","updated_at":"2016-01-28T22:39:18Z","closed_at":null,"body":"For developers, it will be good to have an event that is fired whenever slotting algorithm runs within a shadow tree. Maybe runs _and_ produces changes compared to the previous result? Don't know. Also don't know if this is v1 or v2."},"comment":{"url":"https://api.github.com/repos/w3c/webcomponents/issues/comments/176459160","html_url":"https://github.com/w3c/webcomponents/issues/288#issuecomment-176459160","issue_url":"https://api.github.com/repos/w3c/webcomponents/issues/288","id":176459160,"user":{"login":"sorvell","id":78891,"avatar_url":"https://avatars.githubusercontent.com/u/78891?v=3","gravatar_id":"","url":"https://api.github.com/users/sorvell","html_url":"https://github.com/sorvell","followers_url":"https://api.github.com/users/sorvell/followers","following_url":"https://api.github.com/users/sorvell/following{/other_user}","gists_url":"https://api.github.com/users/sorvell/gists{/gist_id}","starred_url":"https://api.github.com/users/sorvell/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/sorvell/subscriptions","organizations_url":"https://api.github.com/users/sorvell/orgs","repos_url":"https://api.github.com/users/sorvell/repos","events_url":"https://api.github.com/users/sorvell/events{/privacy}","received_events_url":"https://api.github.com/users/sorvell/received_events","type":"User","site_admin":false},"created_at":"2016-01-28T22:39:17Z","updated_at":"2016-01-28T22:39:17Z","body":"This was discussed at the recent custom elements F2F meeting. I believe there was general agreement that this a critical feature needed for webcomponents 'v1' implementations and that \r\n\r\n* the timing should be consistent with MutationObservers (microtask) \r\n* it is ok if the notification does not include information about the changes to the distributed nodes list."}}