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W3C Group Note Published

WebVMT was published as a W3C Group Note by the Spatial Data on the Web Working Group on 19th September 2023. Many thanks to all involved.

New features include:

  • Synchronised sensor data
  • Interpolation
  • Location altitude
  • CSS extensions
  • DataCue API

The website has now been updated for compliance.


  • Please review the Group Note and update your implementations accordingly.


  • Please update any WebVMT software that you use to the latest version.
  • Existing WebVMT files can be updated using the online tool.
  • Please ensure that you retain backup copies of existing files before updating them.

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