The Ask Ubuntu question <https://askubuntu.com/q/963616> reports a similar thing, i.e. that Alt+Shift was set during an update of 17.10 without the OP had asked for it.
The Ask Ubuntu question <https:/ /askubuntu. com/q/963616> reports a similar thing, i.e. that Alt+Shift was set during an update of 17.10 without the OP had asked for it.