I submitted this blog to Apple via News Publisher a few days after the WWDC keynote, just to get a feel for the submission process. It was easy; basically I just needed to provide an Atom 1.0 or RSS 2.0 feed, both of which I already have anyway.1 I was told at the end of the submission process that my submission would be reviewed.
Just now, quite surprisingly, I got the acceptance email from News Publisher:
The link to my channel appears to be
But at the time of writing, trying to open this page just turns up a "sorry, this item isn't available in Apple News". Not sure if the page hasn't been updated, or if I really need an iOS 9 device to access. My current guess is the former — there's no reason Apple won't provide a channel preview in good ol' HTML.2 I don't have an iOS 9 device yet, so I don't know how well my content, especially preformatted code blocks, will fare in News. Either way I won't adjust my content, but it would be fun to see the capabilities of Apple's official "RSS reader".
June 30, 2015 update: The page has been updated, and now the message makes much more sense: