W3C TPAC 2026: Web Machine Learning WG/CG F2F

Logistics

• ✅ Registration: will open on 2026-07-08 (deadline TBA)
• 🏨 Venue: Clayton Hotel Burlington Road, Dublin, Ireland in-person & remote

• 📞 Remote joining instructions: see Invite > Joining Instructions (1 wk prior)
• ✍️ IRC web client: #webmachinelearning
• 🗓️ Invites: 26 October 2026, 27 October 2026
• ✍️ Minutes: minutes 26 October 2026 TBA, minutes 27 October 2026 TBA

Agenda

26 October 2026: Web Neural Network API

Meeting schedule in Greenwich Mean Time (GMT). Remote participants, please confirm your local start time using the timezone table below.

See the timezone table ...

San Francisco	Mon, 26 October 2026	02:00
Boston	Mon, 26 October 2026	05:00
London	Mon, 26 October 2026	09:00
Berlin	Mon, 26 October 2026	10:00
Helsinki	Mon, 26 October 2026	11:00
Shanghai	Mon, 26 October 2026	17:00
Dublin	Mon, 26 October 2026	09:00
UTC	Mon, 26 October 2026	09:00 UTC

See also: other locations

▶️ 09:00 (GMT) Start

👋 Welcome

• Intros
• Agenda bashing

📘 Charter orientation

• WG and CG interplay
• Current scopes, future aspirations
• New deliverables
• Coordination with other groups

⏳ Spec orientation

• Triage pass through open issues (triage guidance):
  • breaking changes
  • priorities
  • next steps for the key issues
  • ...

💡 Case study

• TBA Case study to be confirmed

⏸️ 10:30 (GMT) Break

Drinks and snacks.

▶️ 11:00 (GMT) Resume

✨ New features

• TBA Key topics to be selected as planning commences

ℹ️ Proposed in issue triage

To be discussed schedule allowing:

• TBA Key topics to be selected as planning commences

⏸️ 12:30 (GMT) Lunch

Lunch venue TBA.

▶️ 13:45 (GMT) Resume

📢 Customer feedback & collaborations

TBA Discuss customer feedback, including end-users, frameworks, independent software vendors.

Proposed topics:

• TBA Key topics to be selected as planning commences

🤝 Interop and technical cross-group coordination

• TBA Web Platform Tests coverage, open issues.
• TBA Interop issues arising from backend implementation differences that warrant WebNN spec changes.
• TBA Technical coordination topics with WebGPU, WebAssembly, WebRTC, other groups.

🚀 Implementation plans and trials

TBA Kick off this session with demos that exercise diverse hardware accelerators.

Next steps for implementations, Origin Trial or equivalent, new requirements or feedback from updates in backends, frameworks.

⏸️ 15:00 (GMT) Break

Drinks and snacks.

▶️ 15:30 (GMT) Resume

Horizontals

Get to know experts behind horizontal groups.

😇 Ethics

• Ethical Principles for Web Machine Learning as a joint deliverable with the Web & AI Interest Group

🌱 Sustainability

• TBA Key topics to be selected as planning commences

🔍 Privacy & Security

• TBA Privacy & Security topic to be confirmed
• TBA Related cross-group sessions to be confirmed

🫶 Wrap up

• Synthesis of key outcomes, next steps

⏹️ 16:45 (GMT) End

• 🍽️ Group dinner (venue TBA)

27 October 2026: WebMCP, Prompt API, Built-in AI APIs

Meeting schedule in Greenwich Mean Time (GMT). Remote participants, please confirm your local start time using the timezone table below.

See the timezone table ...

San Francisco	Tue, 27 October 2026	01:30
Boston	Tue, 27 October 2026	04:30
London	Tue, 27 October 2026	08:30
Berlin	Tue, 27 October 2026	09:30
Helsinki	Tue, 27 October 2026	10:30
Shanghai	Tue, 27 October 2026	16:30
Dublin	Tue, 27 October 2026	08:30
UTC	Tue, 27 October 2026	08:30 UTC

See also: other locations

▶️ 08:30 (GMT) Start

👋 Welcome

• Intros
• Agenda bashing

🤖 WebMCP

• TBA Key topics to be selected as planning commences

⏸️ 10:00 (GMT) Break

Drinks and snacks.

▶️ 10:30 (GMT) Resume

🤖 WebMCP

• TBA Key topics to be selected as planning commences

⏸️ 12:00 (GMT) Lunch

Lunch venue TBA.

▶️ 13:15 (GMT) Resume

💬 Built-in AI APIs overview

• TBA Overview and Origin Trial feedback

💬 Prompt API

• TBA Key topics to be selected as planning commences

✍️ Writing Assistance APIs

• TBA Key topics to be selected as planning commences

🌍 Translator and Language Detector APIs

• TBA 2-3 key open issues

🔎 Proofreader API

• TBA 2-3 key open issues

🌱 Proposals for new incubations

• Review and discuss any new proposals:
  • TBA New proposals to be reviewed

🫶 Wrap up

• Synthesis of key outcomes, next steps

⏹️ 15:00 (GMT) End

• 🍽️ Group dinner (venue TBA)