var owner = "scriptcs";
var repo = "scriptcs";
var milestone = "v0.10";
var labels = new Dictionary<string, string>{ { "feature", "New" }, { "bug", "Fixed" } };
var username = "adamralph";
var oAuthToken = "secret";

var client = Require<OctokitPack>().CreateWithOAuth("ScriptCs.ReleaseNotesScript", username, oAuthToken);
var issues = client.Issue.GetForRepository(owner, repo, new RepositoryIssueRequest { State = ItemState.Closed, }).Result;

foreach (var issue in issues
    .Where(issue => issue.Milestone != null && issue.Milestone.Title == milestone && issue.Labels.Any(label => labels.Keys.Contains(label.Name)))
    .Select(issue => new { Number = issue.Number, Title = issue.Title, Label = issue.Labels.First(label => labels.Keys.Contains(label.Name)) })
    .OrderBy(issue => issue.Label.Name))
{
    Console.WriteLine("**{0}:** {1} - #{2}", labels[issue.Label.Name], issue.Title, issue.Number);
}