anchor.diff:  
   let
     pname = "trezor-suite";
  -  version = "21.5.1";
  +  version = "21.6.1";
     name = "${pname}-${version}";
   
     suffix = {
  
positive.code:   meta = with lib; {
      description = "Trezor Suite - Desktop App for managing crypto";
      homepage = "https://suite.trezor.io";
      license = licenses.unfree;
      maintainers = with maintainers; [ prusnak ];
      platforms = [ "aarch64-linux" "x86_64-linux" ];
  
negative.code:     url = "https://github.com/trezor/${pname}/releases/download/v${version}/Trezor-Suite-${version}-${suffix}.AppImage";
      # sha512 hashes are obtained from latest-linux-arm64.yml and latest-linux.yml
      sha512 = {
        aarch64-linux = "sha512-IxWiOJEk2PHdKf4QPHH9Y5rdyhKF3aQCHJe1crS4sYrE+4BLj3rFwRPIIGhJLqzqPyW24Hw/A4lnRnDd/UpsNA==";
        x86_64-linux  = "sha512-pSJ+4y9v1ltXun3F4UyQoSTJdaFSelIHx49DBbd180MSbpETecVa7OFadKjlSUKD1sknNXG9MDb2hv7SRNdDYw==";
      }.${stdenv.hostPlatform.system} or (throw "Unsupported system: ${stdenv.hostPlatform.system}");
    };
  
  