When installing old version of audacity it can't find my audio output device

audacity got updated to 4.0.0 in the newest nixpkgs unstable release, so i have tried installing an older version with audacity = { url = "github:NixOS/nixpkgs/4684fd6b0c01e4b7d99027a34c93c2e09ecafee2"; }; in flake inputs and (inputs.audacity.legacyPackages.${pkgs.stdenv.hostPlatform.system}.audacity) in users.users.uname.packages to get 3.7.4 as that showed as the newest version here Nix Package Versions and when opening audacity it can’t find my audio device any more pactl list si...