Simon Peyton Jones (of Haskell) is working on Verse, a functional relational programming language, that merges the ideas of both functional and logical programming into one.

It’s being done to facilitate Fortnite metaverse, as he’s doing this work at Epic.

https://youtu.be/OJv8rFap0Nw?si=OmBT9CBJIxdJE1Jv