Maintainers for gem are Debian Multimedia Maintainers <debian-multimedia@lists.debian.org>.
You may want to refer to the following packages that are part of the same source: gem-dev, gem-doc, gem-extra, gem-plugin-assimp, gem-plugin-dc1394, gem-plugin-dv4l, gem-plugin-glfw3, gem-plugin-glut, gem-plugin-gmerlin, gem-plugin-jpeg, gem-plugin-lqt, gem-plugin-magick, gem-plugin-mpeg3, gem-plugin-sdl, gem-plugin-sgi, gem-plugin-tiff, gem-plugin-unicap, gem-plugin-v4l2, gem-plugin-vlc, gem-plugin-vnc.
You might like to refer to the gem package page, to the Package Tracking System, or to the source package src:gem's bug page.
If you find a bug not listed here, please report it.