[taming]

Originally Posted by DNSB

Minor nit is that the epub3 more-or-less compatible renderer is the ACCESS NetFront BookReader (see their web page at http://gl.access-company.com/products/dpub/bookreader/ for more information.) and not one that Kobo developed in-house.

Well, Jim Dovey from Kobo pretty much heads the readmium development team that ACCESS (and many other players) is a big part of. So, while the backend is ACCESS, Kobo's role in development of the epub3 bit is very real.