anchor.diff:  
   stdenv.mkDerivation rec {
     pname = "termius";
  -  version = "7.34.1";
  +  version = "7.36.1";
   
     src = fetchurl {
       # find the latest version with
  
positive.code:     runHook preInstall
      cd squashfs-root
      mkdir -p $out/opt/termius
      cp -r \
          icudtl.dat \
          libffmpeg.so \
          locales \
          resources \
          resources.pak \
          termius-app \
          v8_context_snapshot.bin \
          $out/opt/termius
  
      mkdir -p "$out/share/applications" "$out/share/pixmaps/termius-app.png"
      cp "${desktopItem}/share/applications/"* "$out/share/applications"
  
negative.code:     # curl -H 'X-Ubuntu-Series: 16' https://api.snapcraft.io/api/v1/snaps/details/termius-app | jq '.download_url' -r
      # and the sha512 with
      # curl -H 'X-Ubuntu-Series: 16' https://api.snapcraft.io/api/v1/snaps/details/termius-app | jq '.download_sha512' -r
      url = "https://api.snapcraft.io/api/v1/snaps/download/WkTBXwoX81rBe3s3OTt3EiiLKBx2QhuS_107.snap";
      sha512 = "ef8514bdd0e6761a9bc7bf6b0b72d95c661905798c1507af932bd38a1e0c96713f71140b0d91454c3da5f3b97a0c8143b32918294eea2e46a7dca8faabda57e6";
    };
  
    desktopItem = makeDesktopItem {
  