Maintainers for gimp are Debian GNOME Maintainers <pkg-gnome-maintainers@lists.alioth.debian.org>.
You may want to refer to the following packages that are part of the same source: gimp-data, gimp-python, gir1.2-gimp-3.0, libgimp-3.0-0, libgimp-3.0-bin, libgimp-3.0-dev, libgimp-3.0-doc, libgimp2.0, libgimp2.0-dev, libgimp2.0-doc, libgimp2.0t64.
You might like to refer to the gimp package page, to the Package Tracking System, or to the source package src:gimp's bug page.
If you find a bug not listed here, please report it.