TimedText/tpac2026
TTWG F2F during TPAC 2026
TPAC Group Schedule and Registration Results
Registration
You must register for this event.
- Registration is open the event. Early bird registration period has expired. Further fee increases as of 1 October. Before you register, please read Health
- A daily fee applies to anyone who is attending meetings, whether as a participant or as an observer or guest, Monday through Friday.
This page shows details of attendance and the agenda for the TTWG face to face meeting at TPAC 2026.
Logistics
- Date: TTWG F2F Thursday 29 & 30 October, during TPAC2026 26-30 October 2025, Dublin, Ireland.
- Meeting place: Clayton Hotel Burlington Road, Leeson Street Upper, Dublin, D04 A 318, Ireland
- see venue for more information including Transportation and Accomodation
- Room: (to be announced)
- IRC: server: irc.w3.org, port: 6665, channel: #tt Web gateway to: http://irc.w3.org/?channels=tt
- Calendar including TTWG meeting and joint meetings: TTWG Calendar
Participants
Please, put your name in the following table if you plan to participate to the TTWG F2F (alphabetical order):
| Name | Arrival | Departure | Hotel | Flight info and notes | Days of attendance |
|---|---|---|---|---|---|
| Nigel Megitt | - | - | - | Monday - Friday | |
| Atsushi Shimono | n/a | n/a | n/a | n/a | fully remote |
| Add yourself! | -- | -- | -- | -- | -- |
Goals
Goals for TPAC 2026:
- Move DAPT - are we ready to request transition to Rec?
- Move WebVTT
- Decide what to do with TTML2
- Continue joint meetings with MEIG and APA
- Review future work areas and topics
Agenda and Schedule
Topics
TODO!
- DAPT
- Implementations review
- TTML2 Second Edition
- Editor
- Tasks needed to take it from CR to Rec
- IMSC
- Any industry feedback or open problems?
- TTML Profile Registry
- Make it into a proper modern-style Registry?
- WebVTT
- Improvements to WebVTT Interop testing
- Spec Updates
- Allowing new features in the spec
- Should new features be included before trying to proceed to rec
- at-risk features?
- Cues ordering
- cue box overflow handling
- block element
- display area sizing
- collision avoidance for snap-to-lines:false (previously, marked as at-risk)
- Interop: Applying system accessibility preferences to WebVTT cues
- DataCue ?
- Next Generation TextTrackCue ? (AT interested to particpate)
- Joint meetings - follow-ups and plans
- M&E IG
- Caption settings API (AT interested to particpate)
- New requirements for timed text arising from AI/ML (AT interested to particpate)
- M&E IG and APA WG
- Caption settings API
- M&E IG
- AOB
- Demo slots if time allows
Schedule
Breakout sessions with close relevance to TTWG work are listed below - but do check the breakouts grid for other sessions that might be of interest.
Monday 26th October
13:45-15:00 Timed Text Working Group, Media and Entertainment Interest Group Joint Meeting - see also the MEIG agenda issue
17:00-18:00 New requirements for video metadata & timed data (breakout session)
Tuesday 27th October
No TTWG meetings
15:30-16:30 XML standardization at W3C (breakout session)
15:30-16:30 Web Speech API: On-Device Speech Recognition & Next-Generation Capabilities (breakout session)
Wednesday 28th October
No TTWG meetings
10:30-11:30 New requirements for Timed Text, enabled by AI (breakout session)
Thursday 29th October
11:00-16:45 Timed Text Working Group Meeting
See also GitHub Agenda issue w3c/ttwg#349 for TTWG meeting agenda.
Whole day schedule:
| Time | Topic |
|---|---|
| 09:00-10:30 | Media and Entertainment Interest Group, Timed Text Working Group, Accessible Platform Architectures Working Group Joint Meeting |
| 10:30-11:00 | Coffee - Pre-function, ground floor |
| 11:00 | Timed Text Working Group Meeting, day 1 |
| 11:00-11:15 | Introductions |
| 11:15 | Agenda bash |
| 11:30 | Breakout summaries and other topics tbc |
| 12:00 | Joint meeting summaries and planning |
| 12:30 | Lunch - Sussex restaurant, ground floor |
| 13:45 | TTML2 2nd Ed Issue triage |
| 14:45 | Publication planning and Other topics tbc |
| 15:00 | Break - Pre-function, ground floor |
| 15:30 | DAPT issues, pull requests, implementations review notes |
| 16:00 | IMSC issues, industry feedback, open problems |
| 16:45 | Adjourn |
Friday 30th October
16:00-17:30 Timed Text Working Group meeting
| Time | Topic |
|---|---|
| 16:00 | Timed Text Working Group Meeting, day 2 |
| 16:00-16:20 | Agenda Bash, WebVTT spec status and updates |
| 16:20-16:30 | WebVTT-Interop status update |
| 16:30-17:15 | WebVTT issues |
| 17:15-17:30 | Wrap-up |
| 17:30 | Adjourn |