{
  description = "Matrix Synapse 1.145.0";

  inputs.nixpkgs.url = "github:NixOS/nixpkgs/9774bb59bd3bb978cf86b38afc70f9c6d5505983";

  outputs =
    { nixpkgs, ... }:
    let
      forAllSystems = nixpkgs.lib.genAttrs [
        "x86_64-linux"
        "aarch64-linux"
      ];
    in
    {
      packages = forAllSystems (system: {
        default = nixpkgs.legacyPackages.${system}.matrix-synapse;
        matrix-synapse = nixpkgs.legacyPackages.${system}.matrix-synapse;
        matrix-synapse-unwrapped = nixpkgs.legacyPackages.${system}.matrix-synapse-unwrapped;
      });

      overlays.default = _final: prev: {
        matrix-synapse = (import nixpkgs { inherit (prev.stdenv.hostPlatform) system; }).matrix-synapse;
        matrix-synapse-unwrapped =
          (import nixpkgs { inherit (prev.stdenv.hostPlatform) system; }).matrix-synapse-unwrapped;
      };
    };
}