Great article! Love all of this. I did a post recently on the AR VR community of Sydney / Wollongong that might be helpful for your list of communties to expand upon Australia https://devikalearning.edu.au/trending/connecting-to-the-virtual-reality-wollongong-community-online/

Notiably the FB Group https://www.facebook.com/groups/arvrgong/

And the meetup https://www.meetup.com/en-AU/Wollongong-Game-Development-Meetup/