WebML WG Teleconference – 26 March 2026 - 15:00-16:00 UTC

Latest version: https://github.com/webmachinelearning/meetings/blob/main/telcons/2026-03-26-wg-agenda.md


WebML WG Teleconference – 26 March 2026 - 15:00-16:00 UTC
<https://github.com/webmachinelearning/meetings/blob/main/telcons/2026-03-26-wg-agenda.md#webml-wg-teleconference--26-march-2026---1500-1600-utc>

 Important

⏰ Please note Daylight Saving Time<https://www.timeanddate.com/time/dst/2026a.html> changes apply to this meeting in some regions. The timezone table below reflects that.

See the timezone table ...
San Francisco   Thu, 26 March 2026      08:00
Boston  Thu, 26 March 2026      11:00
London  Thu, 26 March 2026      15:00
Berlin  Thu, 26 March 2026      16:00
Helsinki        Thu, 26 March 2026      17:00
Shanghai        Thu, 26 March 2026      23:00
Tokyo   Fri, 27 March 2026      00:00
UTC     Thu, 26 March 2026      15:00 UTC

Other locations: https://www.timeanddate.com/worldclock/fixedtime.html?iso=20260326T15


🤝 Logistics
<https://github.com/webmachinelearning/meetings/blob/main/telcons/2026-03-26-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/2026/03/26-webmachinelearning-minutes.html


🧠 Web Neural Network API
<https://github.com/webmachinelearning/meetings/blob/main/telcons/2026-03-26-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/>

MLComputePolicy-driven device selection
<https://github.com/webmachinelearning/meetings/blob/main/telcons/2026-03-26-wg-agenda.md#mlcomputepolicy-driven-device-selection>

Review the PR that executes the resolution.

  *   ⛙ webmachinelearning/webnn#923<https://github.com/webmachinelearning/webnn/pull/923>
  *   ✔️ Resolution<https://www.w3.org/2026/03/12-webmachinelearning-minutes.html#61df>

Bounded dynamic dimension
<https://github.com/webmachinelearning/meetings/blob/main/telcons/2026-03-26-wg-agenda.md#bounded-dynamic-dimension>

Discuss the proposed new bounded dynamic dimension mechanism for MLDynamicDimension.

  *   ⨀ webmachinelearning/webnn#883<https://github.com/webmachinelearning/webnn/issues/883>

Tensor element count limit
<https://github.com/webmachinelearning/meetings/blob/main/telcons/2026-03-26-wg-agenda.md#tensor-element-count-limit>

Discuss the proposal.

  *   ⨀ webmachinelearning/webnn#924<https://github.com/webmachinelearning/webnn/issues/924>

Security considerations for out-of-bounds access
<https://github.com/webmachinelearning/meetings/blob/main/telcons/2026-03-26-wg-agenda.md#security-considerations-for-out-of-bounds-access>

Discuss and document ops susceptible to out-of-bounds access and proposed mitigations as a guidance to implementers.

  *   ☰ https://www.w3.org/TR/webnn/#security


WPT runners for testing on GPU devices
<https://github.com/webmachinelearning/meetings/blob/main/telcons/2026-03-26-wg-agenda.md#wpt-runners-for-testing-on-gpu-devices>

Discuss WPT runner improvements for GPUs, prior WebGPU CTS learnings. A sponsorship opportunity.

  *   ⨀ gpuweb/cts#2252<https://github.com/gpuweb/cts/issues/2252>
  *   ☰ GitHub-hosted GPU runners cost estimate for rustnn<https://docs.google.com/document/d/1zz1bc_RUpfM9uGzRH2AWWz5YDBZkRBbSAvU1iA8QFwo/>

PR queue cleanup
<https://github.com/webmachinelearning/meetings/blob/main/telcons/2026-03-26-wg-agenda.md#pr-queue-cleanup>

Approve and merge PRs ahead the meeting, discuss any blockers only.

  *   ⛙ webmachinelearning/webnn#910<https://github.com/webmachinelearning/webnn/pull/910>
  *   ⛙ webmachinelearning/webnn#916<https://github.com/webmachinelearning/webnn/pull/916>