{"action":"created","issue":{"url":"https://api.github.com/repos/erikras/redux-form/issues/2337","repository_url":"https://api.github.com/repos/erikras/redux-form","labels_url":"https://api.github.com/repos/erikras/redux-form/issues/2337/labels{/name}","comments_url":"https://api.github.com/repos/erikras/redux-form/issues/2337/comments","events_url":"https://api.github.com/repos/erikras/redux-form/issues/2337/events","html_url":"https://github.com/erikras/redux-form/issues/2337","id":197548536,"number":2337,"title":"Remove array-find-index-polyfill?","user":{"login":"fritx","id":6647633,"avatar_url":"https://avatars.githubusercontent.com/u/6647633?v=3","gravatar_id":"","url":"https://api.github.com/users/fritx","html_url":"https://github.com/fritx","followers_url":"https://api.github.com/users/fritx/followers","following_url":"https://api.github.com/users/fritx/following{/other_user}","gists_url":"https://api.github.com/users/fritx/gists{/gist_id}","starred_url":"https://api.github.com/users/fritx/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/fritx/subscriptions","organizations_url":"https://api.github.com/users/fritx/orgs","repos_url":"https://api.github.com/users/fritx/repos","events_url":"https://api.github.com/users/fritx/events{/privacy}","received_events_url":"https://api.github.com/users/fritx/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2016-12-26T07:17:28Z","updated_at":"2016-12-26T10:56:58Z","closed_at":null,"body":"I've upgraded redux-form from v3 to v6, a weird thing happened.\r\n\r\n<img width=\"300\" src=\"https://cloud.githubusercontent.com/assets/6647633/21477534/b42229a6-cb7d-11e6-8d0e-388d3d6cb5e4.png\">\r\n\r\nI realized it is redux-form that includes the polyfill.\r\n\r\nIt is fine in most cases, but it did cause an unexpected bug due to some bad code in our project:\r\n\r\n```js\r\nfor (var key in arr) { } // wrong\r\nfor (var item in arr) { } // right\r\n```\r\n\r\nJust a suggestion, let's remove the (aggressive) polyfill? 😆  ...since it is only used in one place.\r\n\r\n![image](https://cloud.githubusercontent.com/assets/6647633/21477631/893efab0-cb7e-11e6-9f3f-94920387f82f.png)\r\n"},"comment":{"url":"https://api.github.com/repos/erikras/redux-form/issues/comments/269199887","html_url":"https://github.com/erikras/redux-form/issues/2337#issuecomment-269199887","issue_url":"https://api.github.com/repos/erikras/redux-form/issues/2337","id":269199887,"user":{"login":"gustavohenke","id":826553,"avatar_url":"https://avatars.githubusercontent.com/u/826553?v=3","gravatar_id":"","url":"https://api.github.com/users/gustavohenke","html_url":"https://github.com/gustavohenke","followers_url":"https://api.github.com/users/gustavohenke/followers","following_url":"https://api.github.com/users/gustavohenke/following{/other_user}","gists_url":"https://api.github.com/users/gustavohenke/gists{/gist_id}","starred_url":"https://api.github.com/users/gustavohenke/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/gustavohenke/subscriptions","organizations_url":"https://api.github.com/users/gustavohenke/orgs","repos_url":"https://api.github.com/users/gustavohenke/repos","events_url":"https://api.github.com/users/gustavohenke/events{/privacy}","received_events_url":"https://api.github.com/users/gustavohenke/received_events","type":"User","site_admin":false},"created_at":"2016-12-26T10:56:58Z","updated_at":"2016-12-26T10:56:58Z","body":"I agree that we can remove that polyfill.\r\n\r\n...but the code you're having problems with is exactly the same in both cases, just variables renamed :)"}}
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