{"action":"created","issue":{"url":"https://api.github.com/repos/handsontable/handsontable/issues/2520","labels_url":"https://api.github.com/repos/handsontable/handsontable/issues/2520/labels{/name}","comments_url":"https://api.github.com/repos/handsontable/handsontable/issues/2520/comments","events_url":"https://api.github.com/repos/handsontable/handsontable/issues/2520/events","html_url":"https://github.com/handsontable/handsontable/issues/2520","id":83820307,"number":2520,"title":"Scrolling problem in Firefox with smooth scrolling enabled","user":{"login":"ciffel","id":799624,"avatar_url":"https://avatars.githubusercontent.com/u/799624?v=3","gravatar_id":"","url":"https://api.github.com/users/ciffel","html_url":"https://github.com/ciffel","followers_url":"https://api.github.com/users/ciffel/followers","following_url":"https://api.github.com/users/ciffel/following{/other_user}","gists_url":"https://api.github.com/users/ciffel/gists{/gist_id}","starred_url":"https://api.github.com/users/ciffel/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ciffel/subscriptions","organizations_url":"https://api.github.com/users/ciffel/orgs","repos_url":"https://api.github.com/users/ciffel/repos","events_url":"https://api.github.com/users/ciffel/events{/privacy}","received_events_url":"https://api.github.com/users/ciffel/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/handsontable/handsontable/labels/Bug","name":"Bug","color":"0052cc"},{"url":"https://api.github.com/repos/handsontable/handsontable/labels/Core:%20performance","name":"Core: performance","color":"009800"},{"url":"https://api.github.com/repos/handsontable/handsontable/labels/In%20development","name":"In development","color":"006b75"},{"url":"https://api.github.com/repos/handsontable/handsontable/labels/Priority:%20high","name":"Priority: high","color":"e11d21"}],"state":"open","locked":false,"assignee":{"login":"jansiegel","id":7397134,"avatar_url":"https://avatars.githubusercontent.com/u/7397134?v=3","gravatar_id":"","url":"https://api.github.com/users/jansiegel","html_url":"https://github.com/jansiegel","followers_url":"https://api.github.com/users/jansiegel/followers","following_url":"https://api.github.com/users/jansiegel/following{/other_user}","gists_url":"https://api.github.com/users/jansiegel/gists{/gist_id}","starred_url":"https://api.github.com/users/jansiegel/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jansiegel/subscriptions","organizations_url":"https://api.github.com/users/jansiegel/orgs","repos_url":"https://api.github.com/users/jansiegel/repos","events_url":"https://api.github.com/users/jansiegel/events{/privacy}","received_events_url":"https://api.github.com/users/jansiegel/received_events","type":"User","site_admin":false},"milestone":null,"comments":3,"created_at":"2015-06-02T03:46:38Z","updated_at":"2016-01-13T13:29:46Z","closed_at":null,"body":"Hi,\r\n\r\nScrolling is very slow in Firefox with smooth scrolling enabled (default). I must scroll twice to see the next row. After disabling the smooth scrolling, it works fine. You can try it in [demo page] (http://docs.handsontable.com/0.15.0-beta3/demo-scrollbars.html). \r\n\r\nenvironment: Firefox 38 in both Windows7 and Ubuntu 14.04\r\n"},"comment":{"url":"https://api.github.com/repos/handsontable/handsontable/issues/comments/171289982","html_url":"https://github.com/handsontable/handsontable/issues/2520#issuecomment-171289982","issue_url":"https://api.github.com/repos/handsontable/handsontable/issues/2520","id":171289982,"user":{"login":"vmlf01","id":4786750,"avatar_url":"https://avatars.githubusercontent.com/u/4786750?v=3","gravatar_id":"","url":"https://api.github.com/users/vmlf01","html_url":"https://github.com/vmlf01","followers_url":"https://api.github.com/users/vmlf01/followers","following_url":"https://api.github.com/users/vmlf01/following{/other_user}","gists_url":"https://api.github.com/users/vmlf01/gists{/gist_id}","starred_url":"https://api.github.com/users/vmlf01/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/vmlf01/subscriptions","organizations_url":"https://api.github.com/users/vmlf01/orgs","repos_url":"https://api.github.com/users/vmlf01/repos","events_url":"https://api.github.com/users/vmlf01/events{/privacy}","received_events_url":"https://api.github.com/users/vmlf01/received_events","type":"User","site_admin":false},"created_at":"2016-01-13T13:29:46Z","updated_at":"2016-01-13T13:29:46Z","body":"In my case, I'm using a fixed column (```fixedColumnsLeft: 1```) and even with ```rowHeaders: false``` it still scroll very slowly\r\n\r\nhttp://jsfiddle.net/ruropvma/2/"}}