Event Updated: Immersive Web Group Calls

[View this event in your browser](https://www.w3.org/events/meetings/10671ed2-e755-46bf-8ca3-3518fcf9a1e4/20251216T110000/)

 Immersive Web Group Calls Upcoming Confirmed
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 16 December 2025, 11:00 -12:00 PST8PDT

 Event is recurring Every 14 days, starting from 2 December 2025, until 18 March 2026

[ Immersive Web Community Group ](https://www.w3.org/groups/cg/immersive-web/calendar/)[ Immersive Web Working Group ](https://www.w3.org/groups/wg/immersive-web/calendar/)### Call Agenda

This agenda can be viewed and updated on [Github](https://github.com/immersive-web/administrivia/blob/main/meetings/2025/2025-12-16-Immersive_Web_Community_Group_Teleconference-agenda.md).

If you would like to add an item to the agenda or volunteer to scribe please open a pull request against this agenda.

- [marker-tracking#1 Choose a baseline marker format](https://github.com/immersive-web/marker-tracking/issues/1)[requested by AdaRoseCannon](https://github.com/immersive-web/marker-tracking/issues/1#issuecomment-3620885055)

> The marker-tracking API should probably have at least one kind of marker format that works reasonably well across a wide range of AR platforms.

- [marker-tracking#2 Set up repo](https://github.com/immersive-web/marker-tracking/issues/2) - AdaRoseCannon

> This needs two champions and some of the existing work from the current "image-tracking" API to be imported.

- [proposals#91 Spatial CSS Interest](https://github.com/immersive-web/proposals/issues/91)[requested by cabanier](https://github.com/immersive-web/proposals/issues/91#issuecomment-3625425918)

> We spent quite a bit of time discussing this during the face-to-face but I'm unsure what the next steps are.
> Apple also mentioned some problems (ie security) with [@joshinch](https://github.com/joshinch) 's proposal. it would be nice to understand what those are.

 Agenda
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[Agenda](https://github.com/immersive-web/administrivia/blob/main/meetings/2025/2025--Immersive_Web_Working_Group_Teleconference-agenda.md) Joining Instructions
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 Participants
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### Groups

- [Immersive Web Community Group](https://www.w3.org/groups/cg/immersive-web/) ([View Calendar](https://www.w3.org/groups/cg/immersive-web/calendar/))
- [Immersive Web Working Group](https://www.w3.org/groups/wg/immersive-web/) ([View Calendar](https://www.w3.org/groups/wg/immersive-web/calendar/))

 Report feedback and issues on [ GitHub](https://github.com/w3c/calendar "W3C Calendar GitHub repository").