payload: {"action":"created","issue":{"url":"https://api.github.com/repos/sindresorhus/gifski-app/issues/61","repository_url":"https://api.github.com/repos/sindresorhus/gifski-app","labels_url":"https://api.github.com/repos/sindresorhus/gifski-app/issues/61/labels{/name}","comments_url":"https://api.github.com/repos/sindresorhus/gifski-app/issues/61/comments","events_url":"https://api.github.com/repos/sindresorhus/gifski-app/issues/61/events","html_url":"https://github.com/sindresorhus/gifski-app/issues/61","id":406239023,"node_id":"MDU6SXNzdWU0MDYyMzkwMjM=","number":61,"title":"Add metadata?","user":{"login":"sindresorhus","id":170270,"node_id":"MDQ6VXNlcjE3MDI3MA==","avatar_url":"https://avatars1.githubusercontent.com/u/170270?v=4","gravatar_id":"","url":"https://api.github.com/users/sindresorhus","html_url":"https://github.com/sindresorhus","followers_url":"https://api.github.com/users/sindresorhus/followers","following_url":"https://api.github.com/users/sindresorhus/following{/other_user}","gists_url":"https://api.github.com/users/sindresorhus/gists{/gist_id}","starred_url":"https://api.github.com/users/sindresorhus/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/sindresorhus/subscriptions","organizations_url":"https://api.github.com/users/sindresorhus/orgs","repos_url":"https://api.github.com/users/sindresorhus/repos","events_url":"https://api.github.com/users/sindresorhus/events{/privacy}","received_events_url":"https://api.github.com/users/sindresorhus/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":1,"created_at":"2019-02-04T09:17:42Z","updated_at":"2019-02-12T05:49:21Z","closed_at":null,"author_association":"OWNER","body":"Would it maybe be useful to add metadata that the GIF was created with Gifski?\r\n\r\nSeems like we can use [`kCGImagePropertyIPTCOriginatingProgram`](https://developer.apple.com/documentation/imageio/kcgimagepropertyiptcoriginatingprogram) and [`kCGImagePropertyIPTCProgramVersion`](https://developer.apple.com/documentation/imageio/kcgimagepropertyiptcprogramversion).\r\n\r\nReference code: https://github.com/search?l=Objective-C&q=kCGImagePropertyIPTCOriginatingProgram&type=Code"},"comment":{"url":"https://api.github.com/repos/sindresorhus/gifski-app/issues/comments/462625536","html_url":"https://github.com/sindresorhus/gifski-app/issues/61#issuecomment-462625536","issue_url":"https://api.github.com/repos/sindresorhus/gifski-app/issues/61","id":462625536,"node_id":"MDEyOklzc3VlQ29tbWVudDQ2MjYyNTUzNg==","user":{"login":"sindresorhus","id":170270,"node_id":"MDQ6VXNlcjE3MDI3MA==","avatar_url":"https://avatars1.githubusercontent.com/u/170270?v=4","gravatar_id":"","url":"https://api.github.com/users/sindresorhus","html_url":"https://github.com/sindresorhus","followers_url":"https://api.github.com/users/sindresorhus/followers","following_url":"https://api.github.com/users/sindresorhus/following{/other_user}","gists_url":"https://api.github.com/users/sindresorhus/gists{/gist_id}","starred_url":"https://api.github.com/users/sindresorhus/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/sindresorhus/subscriptions","organizations_url":"https://api.github.com/users/sindresorhus/orgs","repos_url":"https://api.github.com/users/sindresorhus/repos","events_url":"https://api.github.com/users/sindresorhus/events{/privacy}","received_events_url":"https://api.github.com/users/sindresorhus/received_events","type":"User","site_admin":false},"created_at":"2019-02-12T05:49:21Z","updated_at":"2019-02-12T05:49:21Z","author_association":"OWNER","body":"Probably in a resource fork since GIF has limited metadata support. It does seem like GIF has XMP support though: http://fileformats.archiveteam.org/wiki/GIF#Metaformat_files So maybe Gifski lib could embed it as an XMP metadata chunk?"}}
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