{"action":"opened","issue":{"url":"https://api.github.com/repos/Polymer/core-doc-viewer/issues/53","labels_url":"https://api.github.com/repos/Polymer/core-doc-viewer/issues/53/labels{/name}","comments_url":"https://api.github.com/repos/Polymer/core-doc-viewer/issues/53/comments","events_url":"https://api.github.com/repos/Polymer/core-doc-viewer/issues/53/events","html_url":"https://github.com/Polymer/core-doc-viewer/issues/53","id":98130790,"number":53,"title":"/deep/ combinator is deprecated. ","user":{"login":"Adesfire","id":13274529,"avatar_url":"https://avatars.githubusercontent.com/u/13274529?v=3","gravatar_id":"","url":"https://api.github.com/users/Adesfire","html_url":"https://github.com/Adesfire","followers_url":"https://api.github.com/users/Adesfire/followers","following_url":"https://api.github.com/users/Adesfire/following{/other_user}","gists_url":"https://api.github.com/users/Adesfire/gists{/gist_id}","starred_url":"https://api.github.com/users/Adesfire/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Adesfire/subscriptions","organizations_url":"https://api.github.com/users/Adesfire/orgs","repos_url":"https://api.github.com/users/Adesfire/repos","events_url":"https://api.github.com/users/Adesfire/events{/privacy}","received_events_url":"https://api.github.com/users/Adesfire/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-07-30T10:01:03Z","updated_at":"2015-07-30T10:01:03Z","closed_at":null,"body":"Hello Guys,\r\nusing a fresh install of Polymer WebStarter Kit, i get this error with the example provide :\r\n\r\n`/deep/ combinator is deprecated. See https://www.chromestatus.com/features/6750456638341120 for more details.`\r\n\r\nSomeone says that's because shadow Piercing is being removed from the spec and thus Chrome deprecated it. However Polymer still uses it in some places (for example in `iron-flex-layout`).\r\n\r\n"}}