anchor.diff:        else "");
   in stdenv.mkDerivation rec {
     pname = "signal-desktop";
  -  version = "1.29.6"; # Please backport all updates to the stable channel.
  +  version = "1.30.0"; # Please backport all updates to the stable channel.
     # All releases have a limited lifetime and "expire" 90 days after the release.
     # When releases "expire" the application becomes unusable until an update is
     # applied. The expiration date for the current release can be extracted with:
  
positive.code: { stdenv, lib, fetchurl, dpkg, wrapGAppsHook
  , gnome2, gtk3, atk, at-spi2-atk, cairo, pango, gdk-pixbuf, glib, freetype, fontconfig
  , dbus, libX11, xorg, libXi, libXcursor, libXdamage, libXrandr, libXcomposite
  , libXext, libXfixes, libXrender, libXtst, libXScrnSaver, nss, nspr, alsaLib
  , cups, expat, systemd, libnotify, libuuid, at-spi2-core, libappindicator-gtk3
  , autoPatchelfHook
  # Unfortunately this also overwrites the UI language (not just the spell
  # checking language!):
  , hunspellDicts, spellcheckerLanguage ? null # E.g. "de_DE"
  
negative.code:     # Fix the desktop link
      substituteInPlace $out/share/applications/signal-desktop.desktop \
        --replace /opt/Signal/signal-desktop $out/bin/signal-desktop
  
      autoPatchelf --no-recurse -- $out/lib/Signal/
    '';
  
    meta = {
  