Unconference Discussion Topic - Declarative XR

I have been advised that the regular presentations (lightning and 
discussion) are for standards (WebXR or otherwise) issue resolutions and 
other standards efforts. At the end of the conference (possibly Wed 
afternoon) will be an unconference session.
I would to have a futures topic discussion on declarative languages for 
XR. The goal would be to share and understand what people think should 
be in a language and the pros/cons for languages under development or 
being used.

My contribution to this discussion is XSeen (https://xseen.org/). I 
started this language 2 years ago after an exhaustive search for a 
language that meet the following criteria:

 1. Declarative
 2. Compatible (integrates) with HTML/DOM/JavaScript (CSS optional)
 3. Rich enough to allow web designers to easily include 3D (inline and
    immersive XR content)
 4. Open source

I found many that met 2 or more, a few that met 3, and nothing 
(according to my thinking) that met all four.

If this topic interests you, please reply to the list or me personally. 
I will post additional material about XSeen as needed.

-- 
*Leonard Daly*
3D Systems Architect & Cloud Consultant
President, Daly Realism - /Creating the Future/