Solution is found here: https://askubuntu.com/questions/819585/workplace-switcher-stopped- working-in-ubuntu-16-04
Activating Desktop wall in ccsm solves the issue. I still think that a feature ceasing to work silently is a bug. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1724504 Title: navigation shortcuts do not work aver xorg update To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1724504/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
