Kindle Format 8, the new e-book format from Amazon based on html5 would be used in a select number of e-books and magazines from Amazon available. The new Kindle Fire tablet would be the size also already support.
Amazon is according to The Digital Reader is already engaged with bètatesten of the new e-book format through a number of publishers. A number of graphic novels, and possibly also the magazines in the catalog of Amazon would already be in the new e-book format. The e-books exclusively for the Kindle Fire are made. According to The Digital Reader, the Kindle Fire is currently the only Kindle involving support for the new format is activated.
The website says to be in the possession of tools for e-books in the KF8 format and already has a demo e-book in the new format. The demo file is created from an epub file from 2009, with advanced formatting capabilities. According to The Digital Reader, the conversion to the KF8 file has run smoothly without problems. Support for conversion from epub3 seems to be not part of the new format.
According to Nate Hoffelder of The Digital Reader seems to be the new Kindle format more an update of the current format than a completely new format. Although the format is based on html5, some html5 tags like Canvas, Form, Input, and Embed is not supported. KF8 supports specific audio and videocommando for the iOS Kindle app.