anchor.diff:  
   in mkDerivation rec {
     pname = "telegram-desktop";
  -  version = "2.5.9";
  +  version = "2.6.0";
   
     # Telegram-Desktop with submodules
     src = fetchurl {
       url = "https://github.com/telegramdesktop/tdesktop/releases/download/v${version}/tdesktop-${version}-full.tar.gz";
  -    sha256 = "1311dab9cil8hl1qlh01ynrczyjbldcsq1l6ibh818wb5lsgvvl2";
  +    sha256 = "18ifmvll0nnmjf8ba6r23ri9i4fggy7k2dqs3qf4f52cklmlfj06";
     };
   
     postPatch = ''
  
positive.code:     dee ffmpeg openalSoft minizip libopus alsaLib libpulseaudio range-v3
      tl-expected hunspell
      tg_owt
      # TODO: Shouldn't be required:
      pcre xorg.libpthreadstubs xorg.libXdmcp util-linux libselinux libsepol epoxy at-spi2-core libXtst
    ];
  
    cmakeFlags = [
  
negative.code: , qtbase, qtimageformats, gtk3, libsForQt5, enchant2, lz4, xxHash
  , dee, ffmpeg, openalSoft, minizip, libopus, alsaLib, libpulseaudio, range-v3
  , tl-expected, hunspell
  # Transitive dependencies:
  , pcre, xorg, util-linux, libselinux, libsepol, epoxy
  , at-spi2-core, libXtst, libthai, libdatrie
  , xdg-utils
  }:
  
  