Still experiencing this using gnome-session and Xorg. $ uname -r 4.13.0-21-generic
$ gnome-shell --version GNOME Shell 3.26.2 I think three problems are related: 1. Applications menu not shown when touching the Apps Icon (the application icons briefly flash onto the screen, and flash off) 2. Caribou always pops up 3. Touching a favorites icon in the dock opens two instances of the application -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1725384 Title: On touch screens, the apps icon in the dock does not open when touched To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell-extension-ubuntu-dock/+bug/1725384/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs