This
Gameinformer | Microsoft Confirms Indie Self Publishing, Microsoft Responds To Our Questions
and that
IGN | Independent Developers Will Self-Publish Games on Xbox One
HTML5 still not mentioned and also the pricing topic... But at least another good twist in Microsoft's policy on the Xbox One.
Develop games in your browser. Powerful, performant & highly capable.
re: xbox one and HTML5...
some good news...
http://www.gamasutra.com/view/news/199486/HTML5_games_on_Xbox_One_Microsoft_eyes_crossplatform_development.php?utm_source=buffer&utm_campaign=Buffer&utm_content=buffer80d3f&utm_medium=twitter
here's even more recent details.. looks like it's a go..
http://gamingbolt.com/xbox-one-new-details-play-media-files-html5-support-developers-loving-system-sdk-and-performance