The Unity WebVR assets allow to view the Unity generated VR objects in Firefox.
This is not news, which is new is this news:
Mozilla offers free assets that link Unity3D VR content to the web browser.
The Mozilla developers write in their announcement and also come with a good online demo.
This free assets can be found here.
The description of this asset named WebVR Assets come with this text:
Easily create VR experiences using Unity that you can view directly on your Web browser. It works in Firefox and Microsoft Edge WebVR enabled browsers!
