At the first system with US location the menu entries: Favorites Electronics, Sundry, Utilities and Wine are working. The menu entries under: Accessories, Edeucation, Games,, Graphics, Internet office, Programming, Science, Sound & Video System Tools and Other are empty and not selectable. At a second system for a new user with US location there is almost the same beahviour. but Science and Programming is working too. For a user with german location the menu entries: Favoriten, Elektronik, Entwicklung, Hilfsprogramme, Spiele, Verschiedenes and Wissenschaft are working The menu entries: Bildung, Buero, Graphik, Internet, Multimedia, Zuberhoer and Systemwerkyeuge Sonstige
It is because of this commit: https://git.gnome.org/browse/gnome-shell-extensions/commit/?h=gnome-3-18&id=d1bf592539095ed6a1fd5f0f9ff0351e56bfa156
[master 602c358] gnome-extra/gnome-shell-extensions: Revert upstream commit that causes lots of menu entries to be hidden (#567126 by Juergen Rose) 2 files changed, 120 insertions(+) create mode 100644 gnome-extra/gnome-shell-extensions/files/gnome-shell-extensions-3.18.2-revert-encodings.patch create mode 100644 gnome-extra/gnome-shell-extensions/gnome-shell-extensions-3.18.2-r1.ebuild