Did that, I wrote "but resetting it did not help" in comment #3. output put gsettings list-recursively org.gnome.desktop.wm.keybindings:
org.gnome.desktop.wm.keybindings activate-window-menu ['<Alt>space'] org.gnome.desktop.wm.keybindings begin-move ['<Alt>F7'] org.gnome.desktop.wm.keybindings begin-resize ['<Alt>F8'] org.gnome.desktop.wm.keybindings close ['<Alt>F4'] org.gnome.desktop.wm.keybindings cycle-group ['<Alt>F6'] org.gnome.desktop.wm.keybindings cycle-group-backward @as [] org.gnome.desktop.wm.keybindings cycle-panels ['<Control><Alt>Escape'] org.gnome.desktop.wm.keybindings cycle-panels-backward @as [] org.gnome.desktop.wm.keybindings cycle-windows ['<Alt>Escape'] org.gnome.desktop.wm.keybindings cycle-windows-backward @as [] org.gnome.desktop.wm.keybindings lower @as [] org.gnome.desktop.wm.keybindings maximize ['<Control><Primary><Super>Up'] org.gnome.desktop.wm.keybindings maximize-horizontally @as [] org.gnome.desktop.wm.keybindings maximize-vertically @as [] org.gnome.desktop.wm.keybindings minimize ['<Control><Primary><Alt>KP_0'] org.gnome.desktop.wm.keybindings move-to-center @as [] org.gnome.desktop.wm.keybindings move-to-corner-ne ['<Primary><Alt>KP_Prior'] org.gnome.desktop.wm.keybindings move-to-corner-nw ['<Primary><Alt>KP_Home'] org.gnome.desktop.wm.keybindings move-to-corner-se ['<Primary><Alt>KP_Next'] org.gnome.desktop.wm.keybindings move-to-corner-sw ['<Primary><Alt>KP_End'] org.gnome.desktop.wm.keybindings move-to-side-e ['<Primary><Alt>KP_Right'] org.gnome.desktop.wm.keybindings move-to-side-n ['<Primary><Alt>KP_Up'] org.gnome.desktop.wm.keybindings move-to-side-s ['<Primary><Alt>KP_Down'] org.gnome.desktop.wm.keybindings move-to-side-w ['<Primary><Alt>KP_Left'] org.gnome.desktop.wm.keybindings move-to-workspace-1 @as [] org.gnome.desktop.wm.keybindings move-to-workspace-10 @as [] org.gnome.desktop.wm.keybindings move-to-workspace-11 @as [] org.gnome.desktop.wm.keybindings move-to-workspace-12 @as [] org.gnome.desktop.wm.keybindings move-to-workspace-2 @as [] org.gnome.desktop.wm.keybindings move-to-workspace-3 @as [] org.gnome.desktop.wm.keybindings move-to-workspace-4 @as [] org.gnome.desktop.wm.keybindings move-to-workspace-5 @as [] org.gnome.desktop.wm.keybindings move-to-workspace-6 @as [] org.gnome.desktop.wm.keybindings move-to-workspace-7 @as [] org.gnome.desktop.wm.keybindings move-to-workspace-8 @as [] org.gnome.desktop.wm.keybindings move-to-workspace-9 @as [] org.gnome.desktop.wm.keybindings move-to-workspace-down ['<Shift><Control><Primary><Alt>Down'] org.gnome.desktop.wm.keybindings move-to-workspace-left ['<Shift><Control><Primary><Alt>Left'] org.gnome.desktop.wm.keybindings move-to-workspace-right ['<Shift><Control><Primary><Alt>Right'] org.gnome.desktop.wm.keybindings move-to-workspace-up ['<Shift><Control><Primary><Alt>Up'] org.gnome.desktop.wm.keybindings panel-main-menu ['<Alt>F1'] org.gnome.desktop.wm.keybindings panel-run-dialog ['<Alt>F2'] org.gnome.desktop.wm.keybindings raise @as [] org.gnome.desktop.wm.keybindings raise-or-lower @as [] org.gnome.desktop.wm.keybindings set-spew-mark @as [] org.gnome.desktop.wm.keybindings show-desktop ['<Control><Primary><Super>d'] org.gnome.desktop.wm.keybindings switch-applications ['<Super>Tab', '<Alt>Tab'] org.gnome.desktop.wm.keybindings switch-applications-backward @as [] org.gnome.desktop.wm.keybindings switch-group ['<Super>Above_Tab', '<Alt>Above_Tab'] org.gnome.desktop.wm.keybindings switch-group-backward @as [] org.gnome.desktop.wm.keybindings switch-input-source ['<Super>space'] org.gnome.desktop.wm.keybindings switch-input-source-backward @as [] org.gnome.desktop.wm.keybindings switch-panels ['<Control><Alt>Tab'] org.gnome.desktop.wm.keybindings switch-panels-backward @as [] org.gnome.desktop.wm.keybindings switch-to-workspace-1 @as [] org.gnome.desktop.wm.keybindings switch-to-workspace-10 @as [] org.gnome.desktop.wm.keybindings switch-to-workspace-11 @as [] org.gnome.desktop.wm.keybindings switch-to-workspace-12 @as [] org.gnome.desktop.wm.keybindings switch-to-workspace-2 @as [] org.gnome.desktop.wm.keybindings switch-to-workspace-3 @as [] org.gnome.desktop.wm.keybindings switch-to-workspace-4 @as [] org.gnome.desktop.wm.keybindings switch-to-workspace-5 @as [] org.gnome.desktop.wm.keybindings switch-to-workspace-6 @as [] org.gnome.desktop.wm.keybindings switch-to-workspace-7 @as [] org.gnome.desktop.wm.keybindings switch-to-workspace-8 @as [] org.gnome.desktop.wm.keybindings switch-to-workspace-9 @as [] org.gnome.desktop.wm.keybindings switch-to-workspace-down ['<Control><Primary><Alt>Down'] org.gnome.desktop.wm.keybindings switch-to-workspace-left ['<Control><Primary><Alt>Left'] org.gnome.desktop.wm.keybindings switch-to-workspace-right ['<Control><Primary><Alt>Right'] org.gnome.desktop.wm.keybindings switch-to-workspace-up ['<Control><Primary><Alt>Up'] org.gnome.desktop.wm.keybindings switch-windows @as [] org.gnome.desktop.wm.keybindings switch-windows-backward @as [] org.gnome.desktop.wm.keybindings toggle-above @as [] org.gnome.desktop.wm.keybindings toggle-fullscreen @as [] org.gnome.desktop.wm.keybindings toggle-maximized ['<Control><Primary><Alt>KP_5'] org.gnome.desktop.wm.keybindings toggle-on-all-workspaces @as [] org.gnome.desktop.wm.keybindings toggle-shaded ['<Control><Primary><Alt>s'] org.gnome.desktop.wm.keybindings unmaximize ['<Control><Primary><Super>Down'] -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1173119 Title: Alt-tab not working properly after upgrade To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1173119/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs