Technical Plenary (TPAC) Meetings

This is the archive of W3C's Technical Plenary meetings ("TPAC") and additional information about TPAC. See also upcoming TPAC meetings.

W3C meetings operate under the Principles and Procedures of our Code of Ethics and Professional Conduct.

Past Meetings

TPAC 2021

12 29 October 2021
‘Virtual’ event

TPAC 2020 Header link

12 30 October 2020

‘Virtual’ event

TPAC 2019 Header link

16 20 September 2019

Fukuoka, Japan

TPAC 2018 Header link

22 26 October 2018

Lyon, France

TPAC 2017 Header link

6 10 November 2017

Burlingame, CA, USA

Hosted by W3C-MIT

TPAC 2016 Header link

19 23 September 2016

Lisbon, Portugal

TPAC 2015 Header link

26 30 October 2015

Sapporo, Japan

TPAC 2014 Header link

27 31 October 2014

Santa Clara, California

TPAC 2013 Header link

11 15 November 2013

Shenzhen, China
Hosted exclusively by Tencent

TPAC 2012 Header link

29 October 2 November 2012

Lyon, France

TPAC 2011 Header link

31 October 4 November 2011

Santa Clara, California

TPAC 2010 Header link

1 5 November 2010

Lyon, France

TPAC 2009 Header link

2 6 November 2009

Santa Clara, CA, USA

TPAC 2008 Header link

20 24 October 2008

Mandelieu, France

TPAC 2007 Header link

5 10 November 2007

Cambridge, MA, USA

TPAC 2006 Header link

27 February 3 March 2006

Mandelieu, France

TPAC 2005 Header link

28 February 4 March 2005

Boston, MA, USA

TPAC 2004 Header link

1 5 March 2004

Mandelieu, France

TPAC 2003 Header link

3 7 March 2003

Cambridge, MA, USA

TPAC 2002 Header link

25 February 1 March 2002

Mandelieu, France

TPAC 2001 Header link

26 February 2 March 2001

Cambridge, MA, USA

About TPAC

The W3C annual conference is an important rendez-vous for the Web community. During that week, a number of W3C Working and Interest Groups gather, network, and try to resolve challenging technical or social issues. This well-attended and popular week of meetings is an important means for W3C to coordinate solutions to technical issues that transcend group borders. Breakout sessions and most meetings records are public.

Watch the video to learn more about this meeting, the Web Consortium and our mission.

Registration, Cancellation

All meeting participants are expected to register for each meeting they plan to attend as either a group participant or an observer (some groups may not permit observers). For the Monday/Tuesday and Thursday/Friday WG/IG meetings, participation is subject to each group's policy. Please contact the WG or IG Chair for information about participation policy (see Member-only table of Groups and Chairs).

The registration form for this meeting contains several sections. We require this information in order to appropriately plan sufficient meeting space as well as meals for each day. Please be sure to carefully complete all sections of the registration form.

  • Member confidentiality status
  • WG/IG group affiliation
  • Monday/Tuesday group meetings
  • Wednesday Technical Plenary and Reception
  • Thursday/Friday group meetings
  • Meals and dietary preferences

Depending on the location, there may be limited seating for Wednesday's Technical Plenary. Early registration is strongly recommended. Registration will be processed on a first-come, first-served basis.

To cancel your registration, please use the same registration tool. General questions may be sent to w3t-tpregister@w3.org.


  • Group Chairs will communicate with participants directly regarding preparation for the Monday/Tuesday and Thursday/Friday WG/IG meetings.
  • There is no preparation for Wednesday except to register early.

Connectivity at meetings

W3C provides wireless Internet access.


Meetings will be held in English.


Unless otherwise indicated, dress is business casual for meetings.