2.25.3: (unstable):

Glib:
* Added VariantBase and Variant<>.
  (José Alburquerque, Murray Cumming)

Gio:
* Added Application, wrapping GApplication
  (Murray Cumming)
* Added Credentials.
  (Murray Cumming)
* Added DBusConnection, DBusMethodInvocation, DBusServer,
  DBusAuthObserver and DBusMessage.
  (José Alburquerque, Murray Cumming, Martin Braure de Calignon)
* Added UnixFDList.
   (José Alburquerque)

Build:
* Fix the build without __STDC_ISO_10646__.
  (Koop Mast)