Maintainers for lablgtk2 are Debian OCaml Maintainers <debian-ocaml-maint@lists.debian.org>.
You may want to refer to the following individual bug pages: liblablgtk2-gl-ocaml, liblablgtk2-gl-ocaml-dev, liblablgtk2-gnome-ocaml, liblablgtk2-gnome-ocaml-dev, liblablgtk2-ocaml, liblablgtk2-ocaml-dev, liblablgtk2-ocaml-doc, liblablgtksourceview2-ocaml, liblablgtksourceview2-ocaml-dev.
You might like to refer to the lablgtk2 package page, or to the Package Tracking System.
If you find a bug not listed here, please report it.