I use github release, and gh-pages branch to host the appcast,xml.
The appcast.xml file is generated with Jekyll data files feature, from a json file. And this json file from github API.
I have same questions.
1, Description from github API is Markdown format, not HTML.
2, PubDate is format like
2017-06-03T14:56:48Z, could I convert to format like
Sat, 03 Jun 2017 14:56:48 GMT use
3, I can't find length in github API.