X3D version 4.0 Development

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X3D version 4.0 Development efforts are considering potentially major additions to the baseline X3D architecture.

Please contact us if you think additional technologies need to be considered. X3D futures planning is currently a Web3D Consortium member-only activity.

Backwards and forwards compatibility

The comprehensive forward compatibility of VRML97 and X3D with later-developed X3D versions shows that careful anticipatory design is achievable.

Open questions

  • Are ARC abstract design and X3D AR proposals sufficiently mature to enable integration with HTML5/Declarative 3D/X3DOM issues?
  • Are the previously X3D Layer/Layering components compatible with HTML5 overlay model? Are they still needed, perhaps for multiscreen or CAVE support?
  • Mashup and interoperability support: is anything else needed for broader use with the Web? YouTube etc.


  • Active development of X3D and X3DOM content is tracking HTML 5 capabilities now
  • We participate and contribute to the W3C Community Group for Declarative 3D