On: Ciao, Chrome: Firefox Quantum Is the Browser Built...

[r3bl]

To counter this, Firefox is the only desktop browser that supports VR out of the box.

In fact, Mozilla has an entire team dedicated to emerging technologies[0] and you can see what that team is focusing on on their website.

[0] https://research.mozilla.org/

Disclaimer: Associated with Mozilla (Foundation), not Firefox (Mozilla Corporation).