anchor.diff:  
   let
     tg_owt = callPackage ./tg_owt.nix {};
  -  tgcalls-gcc10-fix = fetchpatch { # "Fix build on GCC 10, second attempt."
  -    url = "https://github.com/TelegramMessenger/tgcalls/commit/eded7cc540123eaf26361958b9a61c65cb2f7cfc.patch";
  -    sha256 = "19n1hvn44pp01zc90g93vq2bcr2gdnscaj5il9f82klgh4llvjli";
  +  webviewPatch = fetchpatch {
  +    url = "https://raw.githubusercontent.com/archlinux/svntogit-community/013eff77a13b6c2629a04e07a4d09dbe60c8ca48/trunk/fix-webview-includes.patch";
  +    sha256 = "0112zaysf3f02dd4bgqc5hwg66h1bfj8r4yjzb06sfi0pl9vl96l";
     };
   
   in mkDerivation rec {
     pname = "telegram-desktop";
  -  version = "2.7.1";
  +  version = "2.7.4";
   
     # Telegram-Desktop with submodules
     src = fetchurl {
       url = "https://github.com/telegramdesktop/tdesktop/releases/download/v${version}/tdesktop-${version}-full.tar.gz";
  -    sha256 = "01fxzcfz3xankmdar55ja55pb9hkvlf1plgpgjpsda9xwqgbxgs1";
  +    sha256 = "1cigqvxa8lp79y7sp2w2izmmikxaxzrq9bh5ns3cy16z985nyllp";
     };
   
     postPatch = ''
  
positive.code:   buildInputs = [
      qtbase qtimageformats gtk3 libsForQt5.kwayland libsForQt5.libdbusmenu enchant2 lz4 xxHash
      dee ffmpeg openalSoft minizip libopus alsaLib libpulseaudio range-v3
      tl-expected hunspell glibmm
      tg_owt
      # Transitive dependencies:
      pcre xorg.libpthreadstubs xorg.libXdmcp util-linux libselinux libsepol epoxy
  
negative.code: , pkg-config, cmake, ninja, python3, wrapGAppsHook, wrapQtAppsHook, removeReferencesTo
  , qtbase, qtimageformats, gtk3, libsForQt5, enchant2, lz4, xxHash
  , dee, ffmpeg, openalSoft, minizip, libopus, alsaLib, libpulseaudio, range-v3
  , tl-expected, hunspell, glibmm, webkitgtk
  # Transitive dependencies:
  , pcre, xorg, util-linux, libselinux, libsepol, epoxy
  , at-spi2-core, libXtst, libthai, libdatrie
  