What programming language does Meta Platforms (Facebook) use to create the metaverse?

Question

Facebook

What programming language does Meta Platforms (Facebook) use to create the metaverse?
PS The question is asked purely out of interest.

Answer 1

in English,
the metaverse is a (marketing) philosophy, it is created using the head and human languages ​​\u200b\u200bps the
concept of the metaverse does not imply that when creating programs you use some kind of programming language or technology
, but the understanding that this is the brainchild of Facebook (and they want vendorlock at least on yourself), then first of all stomp behind the tools and standards for them,
the fact that others want to play in 'this game' (I'm talking about hang more noodles on the consumer) does not change anything, just change the place of the application of questions to another company