Emerald Community Engagement Champion
Detailed schedule
This page provides a compact view of all meetings and events during TPAC. Click on each event to get more details, including dial-in information and meeting agenda, where available.
W3C meetings operate under the W3C Code of Conduct. and the W3C Antitrust and Competition Policy.
Note: The times for registration, lunches and breaks are different on each day. Please make sure you consult the schedule below.
Tuesday 28 October – AC session
A virtual-only Advisory Committee session will be held from 13:30 to 15:00 UTC
Join us for a highlight of Member work, for governance and corporate updates.
An Advisory Committee and Community session is planned during TPAC
on Wednesday
12 November from 13:30 to 14:30 Japan Standard time. More
details about the agenda, will be available shortly.
Wednesday 29 October – Get ready for TPAC
If you are attending TPAC for the first time, join us for a warm welcome and general introduction to W3C.
The session will be held virtually from 14:00 to 15:00 UTC.
Sunday 9 November – Kobe Developer Meetup
Join us to hear insightful talks and network with the Kobe developer community.
The event will be held from 17:00 to 20:00 Tokyo time, at Anchor Kobe.
This event is co-organized by NTT Docomo Business and W3C, and sponsored by Kobe Digital Lab and Google.
More details about the event available soon.
TPAC 2025
Monday 10 November
TPAC 2025Monday 10 November
Registration opens at - Kobe International Conference Center, 3F
Group meetings will be held from to
Breakout sessions will be held from to
Breaks (drinks and snacks) will be available from to and from to - Kobe International Convention Center, Reception Hall, 3F, 4F, 5F
Lunch will be available from to - Portopia Hotel, South wing, Ohwada 2/3, 1F
Group meetings and other events
R02
R03
R04
R05
R06
R07
R08
R09
R10
R11
R12
R13
R14
R15
R16
R17
R18
R19
Accessibility Guidelines WG, R17, –
Accessible Platform Architectures WG, R12, –
Accessible Rich Internet Applications WG, R08, –
Advisory Board, R05, –
Anti-Fraud CG, R13, –
Audio Description CG, R03, –
Audio WG, R16, –
Autonomous Agents on the Web CG, R05, –
DID Methods WG, R04, –
Documentation CG, R12, –
Internationalization WG, R11, –
Media & Entertainment IG, R03, –
Media & Entertainment IG, Timed Text WG joint meeting, R03, –
Publishing Maintenance WG, R09, –
Technical Architecture Group, R14, –
Web Application Security WG, R02, –
Web Applications WG, R19, –
Web Components CG, R12, –
Web Fonts WG, R18, –
Web Machine Learning WG, R10, –
Web of Things Plugfest, R07, –
Web Payments WG, R15, –
Web Performance WG, R06, –
WebExtensions CG, R13, –
Accessibility Guidelines WG, R17, –
Accessible Platform Architectures WG, R12, –
Accessible Rich Internet Applications WG, R08, –
Advisory Board, R05, –
Anti-Fraud CG, R13, –
Audio Description CG, R03, –
Audio WG, R16, –
Autonomous Agents on the Web CG, R05, –
DID Methods WG, R04, –
Documentation CG, R12, –
Internationalization WG, R11, –
Media & Entertainment IG, R03, –
Media & Entertainment IG, Timed Text WG joint meeting, R03, –
Publishing Maintenance WG, R09, –
Technical Architecture Group, R14, –
Web Application Security WG, R02, –
Web Applications WG, R19, –
Web Components CG, R12, –
Web Fonts WG, R18, –
Web Machine Learning WG, R10, –
Web of Things Plugfest, R07, –
Web Payments WG, R15, –
Web Performance WG, R06, –
WebExtensions CG, R13, –
Breakout sessions
(under construction)
Legend: group meeting, joint meeting, breakout, other event.
TPAC 2025
Tuesday 11 November
TPAC 2025Tuesday 11 November
Registration opens at , Kobe International Conference Center, 3F
Breakout sessions will be held from to
Group meetings will be held from to
Breaks (drinks and snacks) will be available from to and from to - Kobe International Convention Center, Reception Hall, 3F, 4F, 5F
Lunch will be available from to - Portopia Hotel, South wing, Ohwada 2/3, 1F
Group meetings and other events
R02
R03
R04
R05
R06
R07
R08
R09
R10
R11
R12
R13
R15
R16
R17
R18
R19
Accessibility Guidelines WG, R17, –
Accessible Platform Architectures WG, R18, –
Accessible Platform Architectures WG, R10, –
Accessible Rich Internet Applications WG, R08, –
AI Agent Protocol CG, R04, –
Audio WG, R16, –
Decentralized Identifier WG, R13, –
Documentation CG, R12, –
Internationalization WG, R11, –
JSON-LD WG, R12, –
Publishing Business Group, R04, –
Publishing Maintenance WG, R02, –
Publishing Maintenance WG, R04, –
RDF & SPARQL WG, R10, –
Second Screen WG, R12, –
Timed Text WG, R03, –
TPAC 2025 Hackathon, R17, –
Web Application Security WG, R02, –
Web Applications WG, R19, –
Web Machine Learning CG, R05, –
Web of Things Plugfest, R07, –
Web Payments WG, Web Authentication WG joint meeting, R09, –
Web Payments WG, R09, –
Web Performance WG, R06, –
Web Real-Time Communications WG, R04, –
WHATWG, R15, –
Accessibility Guidelines WG, R17, –
Accessible Platform Architectures WG, R18, –
Accessible Platform Architectures WG, R10, –
Accessible Rich Internet Applications WG, R08, –
AI Agent Protocol CG, R04, –
Audio WG, R16, –
Decentralized Identifier WG, R13, –
Documentation CG, R12, –
Internationalization WG, R11, –
JSON-LD WG, R12, –
Publishing Business Group, R04, –
Publishing Maintenance WG, R02, –
Publishing Maintenance WG, R04, –
RDF & SPARQL WG, R10, –
Second Screen WG, R12, –
Timed Text WG, R03, –
TPAC 2025 Hackathon, R17, –
Web Application Security WG, R02, –
Web Applications WG, R19, –
Web Machine Learning CG, R05, –
Web of Things Plugfest, R07, –
Web Payments WG, Web Authentication WG joint meeting, R09, –
Web Payments WG, R09, –
Web Performance WG, R06, –
Web Real-Time Communications WG, R04, –
WHATWG, R15, –
Breakout sessions
(under construction)
Legend: group meeting, joint meeting, breakout, other event.
TPAC 2025
Wednesday 12 November
TPAC 2025Wednesday 12 November
Registration opens at , Kobe International Conference Center, 3F
Breakout sessions will be held from to and from to
The Advisory Committee and Community session will be held from to
Breaks (drinks and snacks) will be available from to and from to - Kobe International Convention Center, Reception Hall, 3F, 4F, 5F
Lunch will be available from to - Portopia Hotel, South wing, Ohwada 2/3, 1F
Today's events
301 International Conference Room
Advisory Committee & Community Session, 301 International Conference Room, –
Advisory Committee & Community Session, 301 International Conference Room, –
Breakout sessions
(under construction)
Legend: group meeting, joint meeting, breakout, other event.
TPAC 2025
Thursday 13 November
TPAC 2025Thursday 13 November
Registration opens at , Kobe International Conference Center, 3F
Group meetings will be held from to
Breakout sessions will be held from to
Breaks (drinks and snacks) will be available from to and from to - Kobe International Convention Center, Reception Hall, 3F, 4F, 5F
Lunch will be available from to - Portopia Hotel, South wing, Ohwada 2/3, 1F
Group meetings
R02
R03
R04
R05
R06
R08
R09
R10
R11
R12
R13
R15
R16
R17
R18
R19
Accessibility Guidelines WG: WCAG Backlog TF, R08, –
Accessible Rich Internet Applications WG, Accessible Platform Architectures WG joint meeting, R02, –
Cascading Style Sheets (CSS) WG, R10, –
Chinese Web IG, R05, –
Devices & Sensors WG, Web Applications WG Joint meeting, R12, –
Devices & Sensors WG, R18, –
Documentation CG, R12, –
Federated Identity WG, R18, –
Media & Entertainment IG, Timed Text WG, Accessible Platform Architectures WG joint meeting, R02, –
Media WG, Web Real-Time Communications WG joint meeting, R03, –
Private Advertising Technology WG, R03, –
Social Web WG, R17, –
Sustainable Web IG, R17, –
Sustainable Web IG, Accessibility Guidelines WG joint meeting, R03, –
Sustainable Web IG, Web Performance WG joint meeting, R04, –
W3C Global Chapters & Evangelists Meeting, R04, –
WAI IG, R06, –
Web Authentication WG, R05, –
Web Editing WG, R11, –
Web of Things WG, Web of Things IG joint meeting, R19, –
Web Payment Security IG, R09, –
Web Payment Security IG, Anti-Fraud CG Joint Meeting, R09, –
Web Performance WG, R06, –
Web Platform Incubator CG, R16, –
Web Real-Time Communications WG, R04, –
WebExtensions CG, R13, –
WebTransport WG, R04, –
WHATWG, R15, –
Accessibility Guidelines WG: WCAG Backlog TF, R08, –
Accessible Rich Internet Applications WG, Accessible Platform Architectures WG joint meeting, R02, –
Cascading Style Sheets (CSS) WG, R10, –
Chinese Web IG, R05, –
Devices & Sensors WG, Web Applications WG Joint meeting, R12, –
Devices & Sensors WG, R18, –
Documentation CG, R12, –
Federated Identity WG, R18, –
Media & Entertainment IG, Timed Text WG, Accessible Platform Architectures WG joint meeting, R02, –
Media WG, Web Real-Time Communications WG joint meeting, R03, –
Private Advertising Technology WG, R03, –
Social Web WG, R17, –
Sustainable Web IG, R17, –
Sustainable Web IG, Accessibility Guidelines WG joint meeting, R03, –
Sustainable Web IG, Web Performance WG joint meeting, R04, –
W3C Global Chapters & Evangelists Meeting, R04, –
WAI IG, R06, –
Web Authentication WG, R05, –
Web Editing WG, R11, –
Web of Things WG, Web of Things IG joint meeting, R19, –
Web Payment Security IG, R09, –
Web Payment Security IG, Anti-Fraud CG Joint Meeting, R09, –
Web Performance WG, R06, –
Web Platform Incubator CG, R16, –
Web Real-Time Communications WG, R04, –
WebExtensions CG, R13, –
WebTransport WG, R04, –
WHATWG, R15, –
Breakout sessions
(under construction)
Legend: group meeting, joint meeting, breakout, other event.
TPAC 2025
Friday 14 November
TPAC 2025Friday 14 November
Registration opens at , Kobe International Conference Center, 3F
Group meetings will be held from to
Breaks (drinks and snacks) will be available from to and from to - Kobe International Convention Center, Reception Hall, 3F, 4F, 5F
Lunch will be available from to - Portopia Hotel, South wing, Ohwada 2/3, 1F
Group meetings
R02
R03
R04
R05
R06
R10
R11
R12
R13
R15
R17
R18
R19
Accessibility Guidelines WG, Accessible Platform Architectures WG joint meeting, R04, –
Accessible Rich Internet Applications WG, Accessibility Guidelines WG Joint Meeting, R02, –
Advisory Board, R05, –
Advisory Board, R05, –
AI KR (Artificial Intelligence Knowledge Representation) CG, R13, –
Audio CG, R02, –
Audio CG, R02, –
Blockchain2 CG, R04, –
Cascading Style Sheets (CSS) WG, R10, –
Cascading Style Sheets (CSS) WG, R10, –
Cascading Style Sheets (CSS) WG, R10, –
Devices & Sensors WG, R18, –
Devices & Sensors WG, R18, –
Exploration IG, R04, –
Federated Identity WG, R18, –
High-Performance Baseline for Web Apps CG, R02, –
Media WG, R13, –
Media WG, R13, –
MiniApps Ecosystem CG, MiniApps WG Joint Meeting, R11, –
Pointer Events WG, R03, –
Portable Network Graphics (PNG) WG, R05, –
Privacy WG, R12, –
Private Advertising Technology CG, R12, –
Publishing Maintenance WG, Accessible Platform Architectures WG joint meeting, R17, –
Second Screen WG, R12, –
Security IG, R11, –
Social Web WG, R17, –
Technical Architecture Group, R15, –
Technical Architecture Group, R15, –
Text & Data Mining Reservation Protocol CG, R04, –
Verifiable Credentials WG, R06, –
WAI IG, R06, –
Web of Things CG, R03, –
Web of Things WG, Web of Things IG joint meeting, R19, –
Web of Things WG, Web of Things IG joint meeting, R19, –
Web of Things WG, Web of Things IG joint meeting, R19, –
WebDX CG, R11, –
WebView CG, R03, –
WHATWG, Internationalization WG, Accessible Platform Architectures WG joint meeting, R06, –
Accessibility Guidelines WG, Accessible Platform Architectures WG joint meeting, R04, –
Accessible Rich Internet Applications WG, Accessibility Guidelines WG Joint Meeting, R02, –
Advisory Board, R05, –
Advisory Board, R05, –
AI KR (Artificial Intelligence Knowledge Representation) CG, R13, –
Audio CG, R02, –
Audio CG, R02, –
Blockchain2 CG, R04, –
Cascading Style Sheets (CSS) WG, R10, –
Cascading Style Sheets (CSS) WG, R10, –
Cascading Style Sheets (CSS) WG, R10, –
Devices & Sensors WG, R18, –
Devices & Sensors WG, R18, –
Exploration IG, R04, –
Federated Identity WG, R18, –
High-Performance Baseline for Web Apps CG, R02, –
Media WG, R13, –
Media WG, R13, –
MiniApps Ecosystem CG, MiniApps WG Joint Meeting, R11, –
Pointer Events WG, R03, –
Portable Network Graphics (PNG) WG, R05, –
Privacy WG, R12, –
Private Advertising Technology CG, R12, –
Publishing Maintenance WG, Accessible Platform Architectures WG joint meeting, R17, –
Second Screen WG, R12, –
Security IG, R11, –
Social Web WG, R17, –
Technical Architecture Group, R15, –
Technical Architecture Group, R15, –
Text & Data Mining Reservation Protocol CG, R04, –
Verifiable Credentials WG, R06, –
WAI IG, R06, –
Web of Things CG, R03, –
Web of Things WG, Web of Things IG joint meeting, R19, –
Web of Things WG, Web of Things IG joint meeting, R19, –
Web of Things WG, Web of Things IG joint meeting, R19, –
WebDX CG, R11, –
WebView CG, R03, –
WHATWG, Internationalization WG, Accessible Platform Architectures WG joint meeting, R06, –
Legend: group meeting, joint meeting, breakout, other event.
Floor maps
Coming soon…