Maintainers for gobject-introspection are Debian GNOME Maintainers <pkg-gnome-maintainers@lists.alioth.debian.org>.
You may want to refer to the following individual bug pages: gir1.2-freedesktop, gir1.2-freedesktop-dev, gir1.2-girepository-2.0, gir1.2-girepository-2.0-dev, gobject-introspection-bin, libgirepository-1.0-1, libgirepository-1.0-dev, libgirepository1.0-dev, libgirepository1.0-doc.
You might like to refer to the gobject-introspection package page, or to the Package Tracking System.
If you find a bug not listed here, please report it.