WebML WG Teleconference – 11 September 2025 - 15:00-16:00 UTC

Latest version: https://github.com/webmachinelearning/meetings/blob/main/telcons/2025-09-11-wg-agenda.md


WebML WG Teleconference – 11 September 2025 - 15:00-16:00 UTC
<https://github.com/webmachinelearning/meetings/blob/main/telcons/2025-09-11-wg-agenda.md#webml-wg-teleconference--11-september-2025---1500-1600-utc>
See the timezone table ...
🤝 Logistics
<https://github.com/webmachinelearning/meetings/blob/main/telcons/2025-09-11-wg-agenda.md#-logistics>

  *   Chair: Anssi
  *   Scribe: Anssi
  *   IRC: irc://irc.w3.org:6667/#webmachinelearning

  *   IRC web client: https://irc.w3.org/?channels=#webmachinelearning

  *   Zoom joining instructions: internal-webmachinelearning<https://lists.w3.org/Archives/Member/internal-webmachinelearning/2023Jun/0000.html>
  *   Minutes: https://www.w3.org/2025/09/11-webmachinelearning-minutes.html


🧪 Incubations
<https://github.com/webmachinelearning/meetings/blob/main/telcons/2025-09-11-wg-agenda.md#-incubations>

Share recent WebML Community Group developments to keep the Working Group abreast of incubation progress:

  *   ⛙ WebMCP for Service Workers explainer<https://github.com/webmachinelearning/webmcp/pull/19> (preview<https://github.com/webmachinelearning/webmcp/blob/service-workers/docs/service-workers.md>) call for review
  *   ⨀ Prompt API tool calling issues<https://github.com/webmachinelearning/prompt-api/labels/tools> under consideration

Discuss meeting schedule adjustments to better support AMER geo during the WebMCP ramp-up phase.

🧠 Web Neural Network API
<https://github.com/webmachinelearning/meetings/blob/main/telcons/2025-09-11-wg-agenda.md#-web-neural-network-api>

Tip

Specification<https://www.w3.org/TR/webnn/> | Explainer<https://github.com/webmachinelearning/webnn/blob/main/explainer.md> | Implementation Report<https://wpt.fyi/results/webnn> | Implementation Status<https://webmachinelearning.github.io/webnn-status/>

🏷️ New features and operator specific issues
<https://github.com/webmachinelearning/meetings/blob/main/telcons/2025-09-11-wg-agenda.md#%EF%B8%8F-new-features-and-operator-specific-issues>

  *   Support dynamic tensor resizing for slice and resample2d

     *   ☰ Review the proposal, discuss performance v implementation complexity trade-off.
     *   ⨀ webmachinelearning/webnn#885<https://github.com/webmachinelearning/webnn/issues/885>
  *   Flexible input sizes

     *   ☰ Gather customer feedback from ONNX Runtime and Transformers.js.
     *   ⨀ webmachinelearning/webnn#883<https://github.com/webmachinelearning/webnn/issues/883>
  *   Support uint8/int8 input for resample2d

     *   ☰ Proposal to make uint8/int8 an optional data type, last call for comments.
     *   ⨀ webmachinelearning/webnn#872<https://github.com/webmachinelearning/webnn/issues/872>

🔒 Privacy considerations
<https://github.com/webmachinelearning/meetings/blob/main/telcons/2025-09-11-wg-agenda.md#-privacy-considerations>

Take a fresh look and revise privacy considerations.

  *   ⨀ webmachinelearning/webnn#886<https://github.com/webmachinelearning/webnn/issues/886>

💾 MLGraph Cache
<https://github.com/webmachinelearning/meetings/blob/main/telcons/2025-09-11-wg-agenda.md#-mlgraph-cache>

Revisit the feature and discuss experimental implementation experience.

  *   ☰ https://github.com/webmachinelearning/webnn/blob/main/cache-explainer.md

  *   (context:) ⛙ webmachinelearning/webnn#862<https://github.com/webmachinelearning/webnn/pull/862>

🎲 Query supported devices
<https://github.com/webmachinelearning/meetings/blob/main/telcons/2025-09-11-wg-agenda.md#-query-supported-devices>

Before graph compilation

  *   ☰ Review the updated PR, discuss implementability.
  *   ⨀ webmachinelearning/webnn#815 (comment)<https://github.com/webmachinelearning/webnn/issues/815#issuecomment-3236159329>
  *   ⛙ webmachinelearning/webnn#884<https://github.com/webmachinelearning/webnn/pull/884>

After graph compilation

  *   ☰ Review any use case contributions.
  *   ⨀ webmachinelearning/webnn#836<https://github.com/webmachinelearning/webnn/issues/836>
  *   ⛙ webmachinelearning/webnn#854<https://github.com/webmachinelearning/webnn/pull/854>

⛙ Open PRs
<https://github.com/webmachinelearning/meetings/blob/main/telcons/2025-09-11-wg-agenda.md#-open-prs>

Ready to merge?

  *   opSupportLimits: Level of detail for output tensor(s)
     *   ⛙ webmachinelearning/webnn#857<https://github.com/webmachinelearning/webnn/pull/857>
  *   Rename pool2d roundingType -> outputShapeRounding
     *   ⛙ webmachinelearning/webnn#770<https://github.com/webmachinelearning/webnn/pull/770>

Review any other open PRs that benefit from high-bandwidth discussion:

  *   ⛙ https://github.com/webmachinelearning/webnn/pulls