How to fetch posts from a public Facebook group?

Here: reading my facebook group posts via API, while on development mode Facebook has allegedly removed the ability to access groups via: GET "https://graph.facebook.com/{group-id}/feed? amp;access_token=EAACEdEos0..."

And indeed I get the error: {'error': {'message': '(#3) Missing Permission', 'type': 'OAuthException', 'code': 3, 'fbtrace_id': 'A3CWyW2GZbZTn8auSEgbWLS'}} When I try to access groups like this. My question is, how is it possible today to access public groups and receive the posts from a group?