@Daniel, I can confirm that many keyboard shortcuts can't be set under Xorg either in Bionic
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1725078 Title: Can't set Ctrl+Shift as a shortcut Status in gnome-shell package in Ubuntu: Confirmed Bug description: Can't set Ctrl+Shift (and many other key combinations) as a shortcut in new and shiny Ubuntu 17.10. Nothing happens when I press these keys. For example, when setting "Switch to next input source" shortcut, a window pops up waiting for a key combination, but nothing happens at all when I press Ctrl+Shift. I can still set some combinations like Super+Space, though. ProblemType: Bug DistroRelease: Ubuntu 17.10 Package: gnome-shell-extension-shortcuts (not installed) ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4 Uname: Linux 4.13.0-16-generic x86_64 ApportVersion: 2.20.7-0ubuntu3 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Fri Oct 20 04:03:29 2017 InstallationDate: Installed on 2017-10-19 (0 days ago) InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018) SourcePackage: gnome-shell-extension-shortcuts UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1725078/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp