I used to use Determinate Nix on Pop!_OS before I switched to NixOS for good. You can still get a lot out of Nix on a traditional distro, granted you have to deal with few things manually (nixGL being one of them). But it still works, especially for development; it’s just unparalleled.

NixOS. I’ve gotten so used to the declarative nature of NixOS, that I simply cannot go back to a “normal” distro anymore.