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Community & Business Groups

EPUB 3 Community Group

The EPUB 3 Community Group is a forum for ongoing technical development of EPUB 3 and related extension specifications and ancillary deliverables. The EPUB 3 Community Group charter contains full details.

w3c/publ-cg/
Group's public email, repo and wiki activity over time

Note: Community Groups are proposed and run by the community. Although W3C hosts these conversations, the groups do not necessarily represent the views of the W3C Membership or staff.

Final reports / licensing info

Date Name Commitments
EPUB Media Overlays 3.2 Licensing commitments
EPUB Open Container Format (OCF) 3.2 Licensing commitments
EPUB Content Documents 3.2 Licensing commitments
EPUB Packages 3.2 Licensing commitments
EPUB 3.2 Licensing commitments

Chairs, when logged in, may publish draft and final reports. Please see report requirements.

First Draft of EPUB 3.2 published by EPUB 3 Community Group

On 2018-09-24 the EPUB 3 Community Group published a draft of the following specification:

Note that the specification is nearly finished, and we are encouraging feedback from the community. EPUB 3.2 consists of several interrelated specifications:

Participants contribute material to this specification under the W3C Community Contributor License Agreement (CLA).

If you have any questions, please contact the group on their public list: public-epub3@w3.org. Learn more about the EPUB 3 Community Group.

Call for Participation in EPUB 3 Community Group

The EPUB 3 Community Group has been launched:


The EPUB 3 Community Group is a forum for ongoing technical development of EPUB 3 and related extension specifications and ancillary deliverables.

The EPUB 3 Community Group charter contains full details.


In order to join the group, you will need a W3C account. Please note, however, that W3C Membership is not required to join a Community Group.

This is a community initiative. This group was originally proposed on 2017-02-06 by Ralph Swick. The following people supported its creation: Ralph Swick, Matt Garrish, Liisa McCloy-Kelley, Garth Conboy, Eoin Noble. W3C’s hosting of this group does not imply endorsement of the activities.

The group must now choose a chair. Read more about how to get started in a new group and good practice for running a group.

We invite you to share news of this new group in social media and other channels.

If you believe that there is an issue with this group that requires the attention of the W3C staff, please email us at site-comments@w3.org

Thank you,
W3C Community Development Team