It was my pleasure to take over JSONFeed for WordPress. All it needs is periodic maintenance and maybe the occasional improvement when suggested, especially if the spec iterates, either officially or unofficially.
It has been over a year since JSON Feed was announced. There have been a bunch of discussions about expanding the specification, but we are very happy with how well the initial version has worked. It powers all Micro.blog-hosted blogs by default and is also used on many WordPress blogs, home-grown s…