[cosmic_quanta]

Nix isn't so exotic anymore. Every company for which I interviewed about a year ago used Nix

[YuukiRey]

And every person I met today had a parrot on their shoulder. Doesn't really mean it applies to the general public (here meaning most developers out there).

I'd say <1% of all developers world wide have even heard of Nix.

[ameliaquining]

It is used in production much, much more widely than Haskell is, though it remains far from the most common way to do builds or deployments.