{ final, prev, ... }: {
  thunderbird-unwrapped = prev.thunderbird-unwrapped.overrideAttrs (oldAttrs: {
    patches = (oldAttrs.patches or []) ++ [
      (prev.fetchpatch {
        url = "https://hg.mozilla.org/comm-central/raw-rev/a82bd8fc0bc0";
        hash = "sha256-7t8IqxwcZJqXmOevpGof1mcrFKZvXtCcY2EOIsP47EY=";
        stripLen = 1;
        extraPrefix = "comm/";
      })
    ];
  });
}