{"action":"opened","issue":{"url":"https://api.github.com/repos/angular/material/issues/8391","repository_url":"https://api.github.com/repos/angular/material","labels_url":"https://api.github.com/repos/angular/material/issues/8391/labels{/name}","comments_url":"https://api.github.com/repos/angular/material/issues/8391/comments","events_url":"https://api.github.com/repos/angular/material/issues/8391/events","html_url":"https://github.com/angular/material/issues/8391","id":153868657,"number":8391,"title":"md-autocomplete clear is incredibly slow","user":{"login":"flick36","id":8582529,"avatar_url":"https://avatars.githubusercontent.com/u/8582529?v=3","gravatar_id":"","url":"https://api.github.com/users/flick36","html_url":"https://github.com/flick36","followers_url":"https://api.github.com/users/flick36/followers","following_url":"https://api.github.com/users/flick36/following{/other_user}","gists_url":"https://api.github.com/users/flick36/gists{/gist_id}","starred_url":"https://api.github.com/users/flick36/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/flick36/subscriptions","organizations_url":"https://api.github.com/users/flick36/orgs","repos_url":"https://api.github.com/users/flick36/repos","events_url":"https://api.github.com/users/flick36/events{/privacy}","received_events_url":"https://api.github.com/users/flick36/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2016-05-09T21:00:03Z","updated_at":"2016-05-09T21:00:03Z","closed_at":null,"body":"**Actual behavior**:\r\n-  What is the issue?\r\n  - When clearing the md-autocomplete or when not setting the autofocus it's increadibly slow to load the elements when they come from a promise, \r\n-  What is the expected behavior?\r\n  - The items should load ways faster, cause if i delete with the backspace it works normally\r\n\r\n**CodePen** or Steps to reproduce the issue: *\r\n-  CodePen Demo which shows your issue : Im working on a codepen demo, but for now some animations:\r\n\r\n![Example](http://i.imgur.com/IdbOOJd.gif)\r\n![Example](http://i.imgur.com/ljx5o1a.gif)\r\n-  Details:\r\n\r\n**Angular Versions**: *\r\n-  Angular Version: **1.5.5**\r\n-  Angular Material Version: **1.0.8**\r\n\r\n**Additional Information**:\r\n-  Browser Type: * **Desktop, tried on Vivaldi, Chrome, and Edge**\r\n-  Browser Version: * **1.1.453.45, 50.0.2661.94, and 25.10586.0.0**\r\n-  OS: * **Windows 10**\r\n-  Stack Traces:"}}