pkgs: let
  inherit
    (pkgs)
    fetchFromGitHub
    rustPlatform
    lib
    ;
  inherit
    (lib.strings)
    versionOlder
    ;
  inherit
    (lib)
    fix
    ;
in
  pkgs.matrix-synapse.override {
    extras = [
      "redis"
      "cache-memory"
      "postgres"
      "url-preview"
      "user-search"
    ];
  }