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Repository for EPUB 3 Revisions

As of August 14, 2020, the EPUB 3 Working Group is now the maintainer of the EPUB 3 specifications.

EPUB 3.3

Editor's Drafts of documents under active development:

The EPUB 3.3 revision started on September 11, 2020. It is chartered to run until August 2023.

For more information about the meeting schedule, how to join or participate, etc., please consult the group's home page, or contribute to this repository via issues and comments.

EPUB 3 Current Version

The current version of EPUB 3 is EPUB 3.2.

This version was published on May 8, 2019, by the former EPUB 3 Community Group.

Open Issues

The following links provide filtered views of the currently open issues:

Note: Issues for specifications not actively maintained have now been marked as abadoned and closed. These issues may be resurrected in the future if work is resumed on their respective specifications.

Repository Structure

The contents of each folder are as follows:

  • archive -- Specifications that are no longer in active development either because the revision has finished or work has been abandoned.
  • epub33 -- The specifications being revised as part of the 3.3 revision.
  • registries -- The registry documents cited by the EPUB specifications.

Contributing to the Repository

Use the standard fork, branch, and pull request workflow to propose changes to the specification. Please make branch names informative—by including the issue or bug number for example.

Editorial changes that improve the readability of the spec or correct spelling or grammatical mistakes are welcome.

Please read, about licensing contributions.

Historical Records

See the following for access to meeting minutes, sub-group work, discussions, etc. for past revisions:

  • EPUB 3.0 - Available as a set of markdown files in the archive directory of this repository.
  • EPUB 3.0.1 - Available as document files from Google Drive.
  • EPUB 3.1 - Available as document files from Google Drive.
  • EPUB 3.2 - Available from the EPUB 3 Community Group wiki.

Refer to the EPUB 3 Working Group's home page for information about the current revision.

Code of Conduct

W3C functions under a code of conduct.

For any further help, contact Ivan Herman, Wendy Reid, Shinya Takami, Dave Cramer, or Matt Garrish.