I am looking at this software it mentions and looking at what Apple is doing and trying to think about software/frameworks/libraries... Besides some stuff from

I am looking at this software it mentions and looking at what Apple is doing and trying to think about software/frameworks/libraries... Besides some stuff from Microsoft augmented reality stuff being on Unity, has anyone seen any of the new VR/AR stuff popping out in other things? Say some contribution with this for Godot/Unreal, or some new webspec draft that mentions VR, ... I think I saw some unrelated vulkan extensions? Just curious if there is anything in the open source/source available space to peer into.