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Today Readium.org announced that the Readium Web project is being refactored to deliver a JavaScript library for browser-based EPUB 3 reading. Currently in early alpha, the new Readium,js is a lightweight, compact (20KB compressed) client-side library. When complete, Readium.js will enable easy deployment of any EPUB publication from any web server to all modern browsers (mobile and desktop). An initial demo of online reading of EPUB 3 utilizing Readium.js is live at http://readium.github.io/readium-viewer-demo1.
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Paris Book Fair (Salon du livre) March 25, 2013 (PRESS RELEASE) – The Readium.org open source initiative today announced its evolution into a formal consortium of member companies fostering a community of open source projects for digital publishing. Also unveiled today was a new Readium SDK project to develop an EPUB® 3 rendering engine optimized for native apps on tablets and other devices. Initial members of the new Readium Foundation include ACCESS, Aldiko, Bluefire Productions, Baker & Taylor, Benetech, Bokbasen, DAISY Consortium, Datalogics, De Marque, DILICOM, eBook.de, Eden Livres (a joint venture of Gallimard, La Martinière and Flammarion), Editis, Evident Point, Feedbooks, Firebrand Technologies, Hachette Livre, IDPF, Izneo, Kobo, LIA (by Italian Publishers Association), Mantano, Numilog, Rakuten, Sony Corporation, TXTR, and Vibal Publishing House.
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The Readium Chrome Extension for reading EPUB 3 content has been updated to version 0.9 on the Chrome Web Store (direct link: https://chrome.google.com/webstore/detail/readium/fepbnnnkkadjhjahcafoaglimekefifl ). This experimental configuration of the Readium Web project has attained over 40,000 users since its launch on the Chrome Web Store in September, 2012 and currently holds a 4-star rating there.
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The third release of Readium Custom Chromium binary for Mac OS X is now available, adding support for burase gumi and improvements to tate-chu-yoko behavior.
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The Chrome extension of Readium Web was recently launched on the Chrome Web Store, and can be installed via https://chrome.google.com/webstore/detail/fepbnnnkkadjhjahcafoaglimekefifl (or via the install button on readium.org).
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The 2nd release of Readium Custom Chromium binary for Mac OS X is now available.
This version includes an important change for Japanese typography which fixes character orientations. More details of this change: https://github.com/readium/Readium-WebKit/issues/13 .
Direct download link: http://github.readium.org/releases/custom_chromium/ReadiumChromium-Relea...
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A initial release of Readium Custom Chromium binary for Mac OS X that adds Japanese typography support is available. This is the first custom Chromium binary release of the Readium Project made to improve the WebKit engine for EPUB rendering. More details: https://github.com/readium/Readium-Chromium.
Direct download link: http://github.readium.org/releases/custom_chromium/Chromium-1025-2012-05-17.zip.
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The Google Chrome browser extension has been updated to version 0.21, which includes basic support for standard EPUB 3 fixed layout metadata, as per samples available here. The initial implementation has several limitations, including that the fixed layout decision is made on a per book basis rather than per spine item, so it only works if fixed layout is specified globally via the rendition:layout metadata property.
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The Readium Chrome extension has been updated with a 0.19 release that includes MathML support via MathJAX, with help from MathJAX lead developer David Cervone. Read about it on the new Readium dev blog.
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March 15, 2012 Hachette Livre (including Hachette Book Group and Hachette UK) today announced that it is joining the Readium Project, a new initiative by the International Digital Publishing Forum.. More details: http://idpf.org/news/hachette-livre-group-joins-readium-project
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We've been thrilled by the generally positive reception to the announcement of Readium Project. One thing that surprised us was the large number of folks who atttempted "in earnest" use of the initial proof-of-concept prototype Chrome Extension, some of whom were disappointed when it didn't handle everything thrown at it, didn't have snappy performance, or exhibited other infelicities. In many respects this is good news: demonstrating latent demand, and generating bug reports that we can now address. But, in hindsight we probably should have communicated more explicitly about the project's status. To SW folks "proof of concept prototype" - especially in context of an open source project just kicking off - clearly implies "not yet ready for prime time". But that apparently wasn't clear to everyone, and was further obscured by the easy one-click install and somewhat polished looking UI. But make no mistake: this project started up just 5 weeks ago, and whether any of the code or UI developed during that time will be a part of the utlimate Readium codebase (which will definitely NOT be limited to JavaScript components) is entirely TBD. The reason for exposing it yesterday was to create a rally point: demonstrating just how useful built-in EPUB handling in a browser coudld be, and whetting folks' appetites for more. Now, the real work begins to advance the project goals and prioritize and address sub-projects.
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A initial beta release of an extension that adds EPUB support to Google Chrome is available. This is the first results of the Readium Project to develop a comprehensive open source implementation of EPUB 3 via WebKit. Install here or using the "+ ADD TO CHROME" link on the readium.org home page. Note: auto-updating is standard for Chrome Extensions so the extension will be automatically updated as features are added (initial version: 0.1.7).
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New York, NY, February 13, 2012 -The International Digital Publishing Forum (IDPF) today announced the Readium Project, a new open source initiative to develop a comprehensive reference implementation of the IDPF EPUB® 3 standard. This vision will be achieved by building on WebKit, the widely adopted open source HTML5 rendering engine. A quote sheet with quotes from the following is available at http://idpf.org/readium-support : ACCESS, Adobe, Anobii, Apex CoVantage, Assoc. American Publishers (AAP), Barnes & Noble, Bluefire Productions, BISG, Copia, DAISY, EAST, EDItEUR, Evident Point, Google, Incube Tech, Kobo/Rakuten, Monotype, O’Reilly, Rakuten, Safari Books Online, Samsung, Sony, VitalSource, Voyager Japan. For more information about the project, including how to participate and links to downloads and source code, visit http://readium.org .

Readium.org: Open Source Technology for
EPUB 3 and the Open Web Platform
The Readium Foundation (Readium.org) develops technology to accelerate adoption of EPUB 3 and the Open Web Platform by the global digital publishing industry. Readium.org was formed in February, 2013 as a non-profit memebership organization. Current Readium.org projects include Readium Web (an EPUB 3 rendering engine for browser-based cloud readers) and Readium SDK (an EPUB 3 rendering engine for native apps).
Get the Readium Web
Chrome Extension:
