{"action":"created","issue":{"url":"https://api.github.com/repos/meteortemplates/forms/issues/13","labels_url":"https://api.github.com/repos/meteortemplates/forms/issues/13/labels{/name}","comments_url":"https://api.github.com/repos/meteortemplates/forms/issues/13/comments","events_url":"https://api.github.com/repos/meteortemplates/forms/issues/13/events","html_url":"https://github.com/meteortemplates/forms/issues/13","id":54701032,"number":13,"title":"The 'changed' argument of the action function does not contain fields that had no initial value","user":{"login":"steph643","id":7039479,"avatar_url":"https://avatars.githubusercontent.com/u/7039479?v=3","gravatar_id":"","url":"https://api.github.com/users/steph643","html_url":"https://github.com/steph643","followers_url":"https://api.github.com/users/steph643/followers","following_url":"https://api.github.com/users/steph643/following{/other_user}","gists_url":"https://api.github.com/users/steph643/gists{/gist_id}","starred_url":"https://api.github.com/users/steph643/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/steph643/subscriptions","organizations_url":"https://api.github.com/users/steph643/orgs","repos_url":"https://api.github.com/users/steph643/repos","events_url":"https://api.github.com/users/steph643/events{/privacy}","received_events_url":"https://api.github.com/users/steph643/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":3,"created_at":"2015-01-18T16:13:13Z","updated_at":"2015-01-19T11:17:12Z","closed_at":"2015-01-18T19:21:25Z","body":"This seems to be a design choice (cf. [this comment](https://github.com/meteortemplates/forms/blob/master/templates:forms.coffee#L101)).\r\nHowever, a standard use case is that you have an optional field in your collection, initially undefined. In the update form, you enter a value for this field. Then you have to update the collection with this new value. If the field is not present in `changed`, you still have to scan `this`, and `changed` is useless..."},"comment":{"url":"https://api.github.com/repos/meteortemplates/forms/issues/comments/70478318","html_url":"https://github.com/meteortemplates/forms/issues/13#issuecomment-70478318","issue_url":"https://api.github.com/repos/meteortemplates/forms/issues/13","id":70478318,"user":{"login":"steph643","id":7039479,"avatar_url":"https://avatars.githubusercontent.com/u/7039479?v=3","gravatar_id":"","url":"https://api.github.com/users/steph643","html_url":"https://github.com/steph643","followers_url":"https://api.github.com/users/steph643/followers","following_url":"https://api.github.com/users/steph643/following{/other_user}","gists_url":"https://api.github.com/users/steph643/gists{/gist_id}","starred_url":"https://api.github.com/users/steph643/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/steph643/subscriptions","organizations_url":"https://api.github.com/users/steph643/orgs","repos_url":"https://api.github.com/users/steph643/repos","events_url":"https://api.github.com/users/steph643/events{/privacy}","received_events_url":"https://api.github.com/users/steph643/received_events","type":"User","site_admin":false},"created_at":"2015-01-19T11:17:12Z","updated_at":"2015-01-19T11:17:12Z","body":"Fix works great."}}