anchor.diff:  
   stdenv.mkDerivation rec {
     pname = "gnome-maps";
  -  version = "40.4";
  +  version = "41.0";
   
     src = fetchurl {
       url = "mirror://gnome/sources/${pname}/${lib.versions.major version}/${pname}-${version}.tar.xz";
  -    sha256 = "sha256-LFt+HmX39OVP6G7d2hE46qbAaRoUlAPZXL4i7cgiUJw=";
  +    sha256 = "sha256-G0CC22wHDp3LCFJZ6+PIpCG44eiyezKEq2BXULudjJI=";
     };
   
     doCheck = true;
  
positive.code: , gtk3
  , gobject-introspection
  , gdk-pixbuf
  , librsvg
  , libgweather
  , geoclue2
  , wrapGAppsHook
  , folks
  , libchamplain
  , gfbgraph
  , libsoup
  , gsettings-desktop-schemas
  , webkitgtk
  
negative.code:     libgee
      libgweather
      libhandy
      librest
      librsvg
      libsoup
      webkitgtk
  